wh1080: wh1080.c annotate

annotate wh1080.c @ 3:dc5ff2a1ed81

Be smarter about retries. If the interrupt endpoint can't be read 100 times then retry the whole request.

author	Daniel O'Connor <darius@dons.net.au>
date	Wed, 10 Feb 2010 11:33:27 +1030
parents	9da35e705144
children	b22a888eb975

rev	line source
0 9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	2 * Data input utility for Fine Offset WH-1080 weather station.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	3 * This bases on code supplied to me by Steve Woodford.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	4 *
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	5 * Greg Lehey, 12 November 2009
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	6 *
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	7 * $Id: wh1080.c,v 1.18 2010/02/07 03:40:37 grog Exp $
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	8 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	9
2 9da35e705144 Add includes so that it builds without warnings. Daniel O'Connor <darius@dons.net.au> parents: 0 diff changeset	10 #include <stdlib.h>
9da35e705144 Add includes so that it builds without warnings. Daniel O'Connor <darius@dons.net.au> parents: 0 diff changeset	11
0 9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	12 #include "wh1080.h"
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	13 struct usb_device *station_device;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	14 usb_dev_handle *station;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	15
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	16 /* Data from the device */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	17 struct wh1080_page0 page0;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	18 struct wh1080_page1 page1;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	19 struct wh1080_readings current_data [2]; /* current data readings, from station */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	20
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	21 struct readings current_readings; /* current data readings, our version */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	22 struct readings previous_readings; /* copy of previous set of readings */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	23
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	24 char previous_wind_direction_text [4]; /* reuse previous direction if we have no wind */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	25
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	26 int previous_rain; /* previous rainfall reading: we need a difference */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	27 float db_previous_rain; /* previous rainfall reading for database */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	28
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	29 struct libusb_context **usb_context;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	30
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	31 #if BYTE_ORDER == BIG_ENDIAN
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	32 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	33 * The station sends data in big-endian format. If we're running on a
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	34 * big-endian machine, we need to turn the 16 bit fields around.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	35 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	36
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	37 void reend_page0 ()
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	38 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	39 page0.current_page = le16toh (page0.current_page);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	40 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	41
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	42 void reend_page1 ()
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	43 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	44 page1.rel_pressure = le16toh (page1.rel_pressure);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	45 page1.abs_pressure = le16toh (page1.abs_pressure);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	46 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	47
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	48 void reend_readings (struct wh1080_readings *page)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	49 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	50 page->inside_temp = le16toh (page->inside_temp); /* inside temperature */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	51 page->outside_temp = le16toh (page->outside_temp); /* outside temperature */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	52 page->pressure = le16toh (page->pressure); /* absolute pressure, hPa */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	53 page->rain = le16toh (page->rain); /* rainfall in 0.3 mm units */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	54 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	55 #endif
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	56
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	57 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	58 * Scan USB busses for our device.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	59 * Return 1 and device information to devp if found.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	60 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	61 int find_usb_device (int vendor, int product, struct usb_device **devp)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	62 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	63 struct usb_bus *bus;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	64 int count;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	65
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	66 count = usb_find_busses ();
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	67 count = usb_find_devices ();
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	68
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	69 for (bus = usb_get_busses (); bus; bus = bus->next)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	70 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	71 for (devp = bus->devices; devp; devp = (devp)->next)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	72 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	73 if ((*devp)->descriptor.idVendor == vendor
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	74 && (*devp)->descriptor.idProduct == product )
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	75 return 1;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	76 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	77 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	78 return 0; /* not found */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	79 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	80
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	81 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	82 * Set up communications with the weather station.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	83 * On error, print message and die. Return means success.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	84 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	85 void device_setup ()
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	86 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	87 usb_init (); /* initialize libusb */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	88
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	89 if (! find_usb_device (WH1080_USB_VENDOR, WH1080_USB_PRODUCT, &station_device))
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	90 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	91 fprintf (stderr, "Can't find WH-1080 device\n");
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	92 exit (1);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	93 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	94
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	95 /* Open station */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	96 if (! (station = usb_open (station_device)))
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	97 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	98 fprintf (stderr,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	99 "Can't open weather station: %s (%d)\n",
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	100 usb_strerror (),
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	101 errno);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	102 exit (1);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	103 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	104
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	105 #ifdef linux
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	106 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	107 * For some reason, Linux gives a device to the kernel, so we need
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	108 * to prise it away again.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	109 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	110 #if 0
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	111 http://blemings.org/hugh/blog/blosxom.cgi/2008/01/15#20080115a
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	112 struct usb_bus *bus_list;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	113 struct usb_device *dev = NULL;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	114 struct usb_dev_handle *handle;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	115
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	116
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	117 /* Look for the first u4xx device we can find then try and open */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	118 if((dev = find_u4xx(bus_list)) == NULL) {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	119 return NULL;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	120 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	121
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	122 /* Try and get a handle to the device */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	123 if((handle = usb_open(dev)) == NULL) {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	124 return NULL;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	125 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	126
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	127 /* The kernel's HID driver will seize the USBMicro device as it
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	128 says it's a HID device - we need to tell the kernel to
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	129 let go of it */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	130 if (usb_detach_kernel_driver_np(handle, 0) < 0) {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	131 /* If this fails, usually just means that no kernel driver
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	132 had attached itself to the device so just ignore/warn */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	133 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	134
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	135 /* Set the configuration */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	136 if(usb_set_configuration(handle, 1) != 0) {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	137 usb_close(handle);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	138 return NULL;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	139 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	140
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	141 /* Clain interface - gather would need to this for each
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	142 interface if the device has more than one */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	143 if (usb_claim_interface(handle, 0) != 0) {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	144 usb_close(handle);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	145 return NULL;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	146 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	147
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	148 /* etc. etc. */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	149
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	150 #endif
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	151 if (usb_detach_kernel_driver_np (station, 0) < 0)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	152 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	153 fprintf (stderr, "%s (%d)\n", usb_strerror (), errno);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	154 /* exit (1); */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	155 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	156 #endif
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	157
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	158 /* And grab the interface */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	159 if (usb_claim_interface (station, 0) < 0)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	160 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	161 fprintf (stderr, "%s (%d)\n", usb_strerror (), errno);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	162 exit (1);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	163 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	164 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	165
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	166 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	167 * Try to recover from USB breakage.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	168 * XXX This doesn't work in the current form.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	169 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	170 void device_reset ()
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	171 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	172 if (usb_release_interface (station, 0) < 0)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	173 fprintf (stderr,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	174 "Can't release interface: %s (%d)\n",
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	175 usb_strerror (),
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	176 errno);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	177 #if 0
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	178 if (usb_close (station) < 0)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	179 fprintf (stderr,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	180 "Can't close interface: %s (%d)\n",
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	181 usb_strerror (),
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	182 errno);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	183 device_setup ();
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	184 #endif
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	185 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	186
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	187
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	188 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	189 * Write control data to device. We don't write real data.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	190 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	191 int write_station_control (char *buf)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	192 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	193 int written;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	194 char textdate [64];
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	195
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	196 /* XXX Find out what all this means, and be cleverer about retries */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	197 do
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	198 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	199 if (written = (usb_control_msg (station,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	200 USB_TYPE_CLASS + USB_RECIP_INTERFACE,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	201 0x9,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	202 0x200,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	203 0,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	204 buf,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	205 8, /* we always write 8 bytes */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	206 WH1080_WRITE_TIMEOUT) > 0))
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	207 return written;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	208 #if 0
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	209 if (errno == ENOTTY)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	210 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	211 fprintf (stderr, "USB bus stuck, reinitializing\n");
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	212 device_reset ();
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	213 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	214 #endif
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	215 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	216 while (errno == EINTR); /* \|\| (errno == ENOTTY)); */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	217
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	218 datetext (time (NULL), textdate, "%e %B %Y %T");
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	219 fprintf (stderr,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	220 "%s: PID %d: can't write to device: %s (%d)\n",
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	221 textdate,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	222 getpid (),
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	223 usb_strerror (),
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	224 errno );
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	225 return 0;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	226 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	227
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	228 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	229 * Read 8 bytes from the device.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	230 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	231 int read_station (char *buf)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	232 {
3 dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	233 #define MAXTRIES 100
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	234 int bytes_read, i = 0;
0 9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	235
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	236 /* XXX Find out what all this means, and be cleverer about retries */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	237 do
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	238 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	239 if ((bytes_read = usb_interrupt_read (station,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	240 USB_ENDPOINT_IN \| USB_RECIP_INTERFACE,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	241 buf,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	242 8,
3 dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	243 10 )) == 8 ){
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	244 if (i > 5)
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	245 fprintf(stderr, "Read OK after %d tries\n", i + 1);
0 9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	246 return bytes_read;
3 dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	247 }
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	248
0 9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	249 if (errno == EAGAIN)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	250 usleep (10000);
3 dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	251 i++;
0 9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	252 }
3 dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	253 while (errno != EINTR && i < MAXTRIES);
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	254 if (i == MAXTRIES) {
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	255 #if 0
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	256 fprintf(stderr,
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	257 "Can't read from device after %d attempts\n", MAXTRIES);
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	258 #endif
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	259 } else
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	260 fprintf (stderr,
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	261 "Can't read device: %s (%d)\n",
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	262 usb_strerror (),
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	263 errno );
0 9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	264 return 0;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	265 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	266
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	267 /* Read a page (32 bytes) from the device. */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	268 int read_station_page (uint16_t page, char *buf)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	269 {
3 dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	270 int i, bytes_read, tries = 0;
0 9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	271 struct read_page_request
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	272 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	273 char command; /* XXX I'm guessing at this */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	274 uint16_t address;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	275 char length;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	276 } __attribute__ ((packed)) request [2];
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	277
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	278 #if BYTE_ORDER == LITTLE_ENDIAN
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	279 page = htobe16 (page); /* in big-endian for the command */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	280 #endif
3 dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	281 rerequest:
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	282 bytes_read = 0;
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	283 tries++;
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	284 if (tries > 10) {
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	285 fprintf(stderr, "Unable to read page after 10 tries\n");
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	286 exit(1);
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	287 }
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	288
0 9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	289 request [0] = (struct read_page_request) {0xa1, page, 32};
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	290 request [1] = request [0];
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	291 if (write_station_control ((char *) request) == 0)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	292 exit (1); /* XXX we've already complained */
3 dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	293
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	294 while (bytes_read < 32) {
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	295 if ((i = read_station ((char *) &buf [bytes_read])) == 0) {
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	296 #if 0
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	297 fprintf(stderr, "Couldn't read from the device, rerequesting\n");
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	298 #endif
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	299 goto rerequest;
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	300 }
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	301
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	302 bytes_read += i;
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	303 }
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	304
0 9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	305 return bytes_read;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	306 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	307
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	308 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	309 * Read and compare page from station. Keep trying until we get two that are
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	310 * the same.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	311 *
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	312 * XXX don't loop for ever.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	313 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	314 int read_valid_station_page (uint16_t page, char *buf)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	315 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	316 char duplicate [WH1080_PAGE_SIZE];
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	317
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	318 read_station_page (page, duplicate); /* read once for comparison */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	319 while (1)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	320 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	321 read_station_page (page, buf); /* and once where we want it */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	322 if (! memcmp (buf, duplicate, WH1080_PAGE_SIZE)) /* bingo! */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	323 return WH1080_PAGE_SIZE;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	324 memcpy (duplicate, buf, WH1080_PAGE_SIZE);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	325 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	326 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	327
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	328 /* Read observations from specified page.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	329 *
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	330 * We have to read 32 bytes from the device, but the data we want is only 16
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	331 * bytes. If it's the last 16 bytes in memory, who knows what will happen? To
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	332 * be on the safe side, always read from an even-numbered page and then return 0
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	333 * or 1 to point to the correct entry in (global) current_data.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	334 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	335 void read_readings (int page, struct readings *readings)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	336 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	337 int pagehalf = (page & 0x10) >> 4; /* index in our two entries */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	338
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	339 #if 0
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	340 /* Page 1: pressure readings, currently unused */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	341 read_valid_station_page (WH1080_PAGE1, (char *) &page1);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	342 #if BYTE_ORDER == BIG_ENDIAN
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	343 /* reend_page0 (); */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	344 reend_page1 ();
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	345 #endif
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	346 #endif
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	347
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	348 /* Read the data itself */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	349 read_valid_station_page (page & WH1080_PAGE_MASK, (char *) &current_data);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	350
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	351 #if 0
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	352 printf ("\n");
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	353 hexdump ((unsigned char ) current_data, 2 sizeof (struct wh1080_readings));
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	354 #endif
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	355 #if BYTE_ORDER == BIG_ENDIAN
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	356 /* Turn both around to avoid surprises */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	357 reend_readings (&current_data [0]);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	358 reend_readings (&current_data [1]);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	359 #endif
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	360
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	361 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	362 * Now copy the info back to readings. Note that we don't set the timestamp
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	363 * here; only the caller knows when this reading was made.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	364 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	365 readings->page = page; /* save page number too */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	366 readings->last_save_mins
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	367 = current_data [pagehalf].last_save_mins; /* last save minutes (?) */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	368 readings->inside_humidity
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	369 = current_data [pagehalf].inside_humidity; /* humidity in percent */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	370 /* This appears to be an "out of range" situation. */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	371 if (readings->inside_humidity == 255)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	372 readings->inside_humidity = previous_readings.inside_humidity;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	373 readings->inside_temp
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	374 = ((float) current_data [pagehalf].inside_temp) / 10; /* inside temperature */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	375 readings->outside_humidity
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	376 = current_data [pagehalf].outside_humidity; /* humidity in percent */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	377 if (readings->outside_humidity == 255)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	378 readings->outside_humidity = previous_readings.outside_humidity;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	379 readings->outside_temp
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	380 = ((float) current_data [pagehalf].outside_temp) / 10; /* outside temperature */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	381 readings->pressure
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	382 = ((float) current_data [pagehalf].pressure) / 10 /* absolute pressure, hPa */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	383 - config.pressure_error; /* adjust for inaccuracies */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	384 readings->wind_speed
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	385 = ((float) current_data [pagehalf].wind_speed) / 3.6; /* wind speed in km/h */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	386 readings->wind_gust
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	387 = ((float) current_data [pagehalf].wind_gust) / 3.6; /* wind gust speed in km/h */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	388 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	389 * Wind direction is confusing. It's normally a value between 0 and 15, but
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	390 * it's 0x80 if there's no wind at all. Following an idea by Steve Woodford,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	391 * reuse the previous value if it's 0x80.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	392 *
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	393 * Other values shouldn't happen. If they do, report them in numeric form.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	394 *
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	395 * In addition to the text, we save the original value in degrees for
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	396 * Wunderground and friends. If it's invalid, we simply don't send it.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	397 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	398 if (current_data [pagehalf].wind_direction == 0x80) /* no wind */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	399 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	400 strcpy (readings->wind_direction_text, previous_wind_direction_text);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	401 readings->wind_direction = INVALID_DIRECTION;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	402 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	403 else if (current_data [pagehalf].wind_direction < 16) /* valid direction */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	404 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	405 strcpy (previous_wind_direction_text, wind_directions [current_data [pagehalf].wind_direction]);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	406 strcpy (readings->wind_direction_text, wind_directions [current_data [pagehalf].wind_direction]);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	407 readings->wind_direction = ((float) current_data [pagehalf].wind_direction) * 22.5;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	408 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	409 else /* invalid value */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	410 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	411 sprintf (readings->wind_direction_text,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	412 "%3d",
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	413 current_data [pagehalf].wind_direction); /* just put in the number */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	414 readings->wind_direction = INVALID_DIRECTION;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	415 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	416
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	417 /* Count incremental rainfall in readings->rain */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	418 if (current_data [pagehalf].rain != previous_rain)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	419 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	420 int temprain = current_data [pagehalf].rain - previous_rain;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	421
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	422 if (temprain < 0) /* wraparound */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	423 temprain += USHRT_MAX; /* add 65536 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	424 readings->rain += ((float) temprain) * 0.3; /* rainfall in mm */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	425 previous_rain = current_data [pagehalf].rain;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	426 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	427
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	428 set_dewpoints (readings);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	429 set_sea_level_pressure (readings);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	430
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	431 /* Stuff from page 1 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	432 readings->page1_abs_pressure = ((float) page1.abs_pressure) / 10; /* absolute pressure, hPa */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	433 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	434
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	435 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	436 * Read page 0.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	437 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	438
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	439 void read_page0 ()
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	440 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	441 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	442 * Page 0: magic and offset of current page
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	443 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	444 do
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	445 read_valid_station_page (WH1080_PAGE0, (char *) &page0);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	446 while (((page0.magic != WH1080_PAGE0_MAGIC1A)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	447 && (page0.magic != WH1080_PAGE0_MAGIC1B) )
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	448 \|\| (page0.magic2 != WH1080_PAGE0_MAGIC2) );
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	449 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	450
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	451 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	452 * Get a set of readings from the station.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	453 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	454 void read_station_data ()
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	455 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	456 read_page0 (); /* get current page number from page0 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	457 read_readings (page0.current_page, &current_readings);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	458 current_readings.timestamp = time (NULL);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	459 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	460
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	461 void dump_memory ()
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	462 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	463 int page;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	464 struct readings readings;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	465 time_t reading_time; /* calculate time of the reading */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	466 struct tm reading_tm; / for trimming off seconds */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	467
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	468 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	469 * Calculate the time of the most recent archive reading, which is
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	470 * current_readings.last_save_mins old. This is confused by the fact that the
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	471 * times don't include seconds, so for some semblence of uniformity, assume
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	472 * that we're in the middle of the minute.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	473 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	474 reading_time = time (NULL); /* now */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	475 reading_tm = localtime (&reading_time); /* and in struct tm format */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	476 reading_time -= reading_tm->tm_sec; /* adjust to beginning of the minute */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	477 /* XXX decide how to round */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	478
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	479 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	480 * Note that there's a race condition in the end condition.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	481 * page0.current_page could increment during dumping. That's perfectly
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	482 * acceptable.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	483 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	484 for (page = page0.current_page + WH1080_ARCHIVE_RECORD_SIZE;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	485 page != page0.current_page;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	486 page += WH1080_ARCHIVE_RECORD_SIZE)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	487 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	488 if (page >= 0xfff0) /* wrap around */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	489 page = WH1080_FIRST_ARCHIVE; /* back to last one in memory */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	490 read_readings (page, &readings);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	491 #if 0
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	492 if (readings.last_save_mins != 30) /* this seems to always be the value in archive readings */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	493 return; /* this would be the beginning of time? */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	494 #endif
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	495 readings.timestamp = reading_time;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	496 print_readings (&readings);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	497 reading_time += WH1080_ARCHIVE_INTERVAL;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	498 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	499 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	500
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	501 void insert_db_row (struct readings *readings)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	502 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	503 char reading_date [STAMPSIZE]; /* formatted date */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	504 char reading_time [STAMPSIZE]; /* and time */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	505
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	506 strftime (reading_date, STAMPSIZE, "%F", localtime (&readings->timestamp)); /* format time and date */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	507 strftime (reading_time, STAMPSIZE, "%T", localtime (&readings->timestamp)); /* format time and date */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	508
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	509 sprintf (mysql_querytext,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	510 "INSERT INTO %s\n"
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	511 " (station_id, date, time, inside_humidity, inside_temp, inside_dewpoint,\n"
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	512 " outside_humidity, outside_temp, outside_dewpoint, pressure_abs, pressure_msl,\n"
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	513 " wind_speed, wind_gust, wind_direction, wind_direction_text, rain)\n"
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	514 "VALUES\n"
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	515 " (\"%s\", \"%s\", \"%s\", %d, %6.1f, %6.1f, "
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	516 " %d, %6.1f, %6.1f, %6.1f, %6.1f, "
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	517 " %6.1f, %6.1f, %6.1f, \"%s\", %6.1f);",
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	518 config.db_table,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	519 config.station_id,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	520 reading_date,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	521 reading_time,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	522 readings->inside_humidity,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	523 readings->inside_temp,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	524 readings->inside_dewpoint,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	525 readings->outside_humidity,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	526 readings->outside_temp,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	527 readings->outside_dewpoint,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	528 readings->pressure,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	529 readings->pressure_sea_level,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	530 readings->wind_speed,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	531 readings->wind_gust,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	532 readings->wind_direction,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	533 readings->wind_direction_text,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	534 readings->rain - db_previous_rain );
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	535 db_previous_rain = readings->rain; /* update our current rainfall XXX fix this */
3 dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	536 #if 0
0 9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	537 if (update) /* only if updates set */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	538 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	539 if (mysql_query (mysql, mysql_querytext))
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	540 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	541 fprintf (stderr,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	542 "Can't insert database record: %s (%d)\n",
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	543 mysql_error (mysql),
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	544 mysql_errno (mysql) );
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	545 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	546 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	547 else if (verbose)
3 dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	548 #endif
0 9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	549 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	550
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	551 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	552 * Check if we have missed any updates since we last ran.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	553 *
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	554 * Not so affectionately named after Powercor (http://www.powercor.com.au/),
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	555 * whose continual power outages are the main reason that this function is
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	556 * needed.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	557 *
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	558 * XXX check this for relationship to share file.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	559 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	560 void recover_powercor_breakage ()
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	561 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	562 int page;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	563 time_t reading_time;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	564
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	565 read_page0 ();
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	566 if (current_readings.page != page0.current_page) /* we've moved on */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	567 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	568 /* Go back to the previous record to read rain */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	569 if ((page = current_readings.page - WH1080_ARCHIVE_RECORD_SIZE)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	570 < WH1080_FIRST_ARCHIVE) /* wrap around */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	571 page = WH1080_LAST_ARCHIVE;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	572 reading_time = current_readings.timestamp /* time of this reading */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	573 - (current_readings.last_save_mins * 60);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	574 read_readings (page, &current_readings);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	575 do
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	576 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	577 /* Next page, with wraparound */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	578 page += WH1080_ARCHIVE_RECORD_SIZE;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	579 if (page > WH1080_LAST_ARCHIVE)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	580 page = WH1080_FIRST_ARCHIVE;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	581 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	582 * The archive records appear to be every 30 minutes, but since the
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	583 * duration is stored in them, there's no reason not to calculate the
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	584 * time the record was completed.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	585 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	586 read_readings (page, &current_readings);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	587 reading_time += current_readings.last_save_mins * 60; /* time this record was finished */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	588 current_readings.timestamp = reading_time;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	589 insert_db_row (&current_readings);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	590 if (verbose)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	591 print_readings (&current_readings);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	592 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	593 while (page != page0.current_page);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	594 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	595 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	596
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	597 void usage (char *me)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	598 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	599 fprintf (stderr,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	600 "Usage: %s [-d] [-n] [-v] [station ID] [db user] [password] [db host] [database]\n",
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	601 me);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	602 exit (1);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	603 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	604
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	605
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	606 int main (int argc, char *argv [])
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	607 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	608 read_config (argc, argv);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	609
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	610 device_setup (); /* initialize the device */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	611 if (recover)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	612 recover_powercor_breakage (); /* check for missed updates */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	613 read_station_data (); /* at least to set the rainfall counter */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	614
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	615 /*
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	616 * Rainfall is a pain. We have several ways of reporting it:
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	617 *
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	618 * Print out from this program.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	619 * Print out in various forms from report.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	620 * Insert into database.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	621 * Inform Wunderground.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	622 *
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	623 * Each of these can be done asynchronously, so we maintain cumulative values of
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	624 * current rainfall and a rainfall value for each of these reporting methods.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	625 * They are:
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	626 *
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	627 * Print out from this program (really util.c)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	628 * current_readings.rain - print_previous_rain
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	629 * Inform Wunderground.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	630 * current_readings.rain - current_readings.previous_rain
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	631 * Print out from report
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	632 * This is done from util.c as well, so we need to set print_previous_rain
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	633 * to current_readings.previous_rain
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	634 * Insert into database.
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	635 * Done from wh1080,
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	636 * current_readings.rain - db_previous_rain
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	637 */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	638 current_readings.rain = 0.0; /* And current rainfall */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	639 current_readings.previous_rain = 0.0; /* Initialize previous rainfall for report */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	640 print_previous_rain = 0.0;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	641 db_previous_rain = 0.0;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	642
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	643 if (debug)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	644 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	645 dump_memory (); /* show old data */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	646 exit (0);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	647 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	648
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	649 while (1)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	650 {
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	651 read_station_data ();
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	652 insert_db_row (&current_readings);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	653 if (verbose)
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	654 print_readings (&current_readings);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	655
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	656 /* XXX calculate the exact time to wait, which will be marginally smaller */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	657 sleep (config.poll_interval);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	658 previous_readings = current_readings; /* make a copy of the current readings */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	659 }
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	660 /* If we ever get here, this is what we should do */
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	661 usb_release_interface (station, 0);
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	662 return 0;
9dab44dcb331 Initial commit of Greg's code from http://www.lemis.com/grog/tmp/wh1080.tar.gz Daniel O'Connor <darius@dons.net.au> parents: diff changeset	663 }
3 dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	664
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	665
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	666 /*
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	667 ;;; Local Variables: **
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	668 ;;; c-basic-offset:2 **
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	669 ;;; End: **
dc5ff2a1ed81 Be smarter about retries. Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	670 */

Mercurial > ~darius > hgwebdir.cgi > wh1080

annotate wh1080.c @ 3:dc5ff2a1ed81