tempctrl: testavr.c annotate

annotate testavr.c @ 53:98b5a43fc748

Disable WDT in reset just in case we take too long (eg after reset when the timer is set to a short time)

author	darius@Inchoate
date	Wed, 29 Oct 2008 16:11:15 +1030
parents	3217e93b28a3
children	58f1ec46bff6

rev	line source
0 ffeab3c04e83 Initial revision darius parents: diff changeset	1 /*
9 7ed10c59ba06 Supply clock speed via the command line so 1wire-delay.h can use it. darius parents: 7 diff changeset	2 * Test various AVR bits and pieces
7ed10c59ba06 Supply clock speed via the command line so 1wire-delay.h can use it. darius parents: 7 diff changeset	3 *
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	4 * Copyright (c) 2008
0 ffeab3c04e83 Initial revision darius parents: diff changeset	5 * Daniel O'Connor <darius@dons.net.au>. All rights reserved.
ffeab3c04e83 Initial revision darius parents: diff changeset	6 *
ffeab3c04e83 Initial revision darius parents: diff changeset	7 * Redistribution and use in source and binary forms, with or without
ffeab3c04e83 Initial revision darius parents: diff changeset	8 * modification, are permitted provided that the following conditions
ffeab3c04e83 Initial revision darius parents: diff changeset	9 * are met:
ffeab3c04e83 Initial revision darius parents: diff changeset	10 * 1. Redistributions of source code must retain the above copyright
ffeab3c04e83 Initial revision darius parents: diff changeset	11 * notice, this list of conditions and the following disclaimer.
ffeab3c04e83 Initial revision darius parents: diff changeset	12 * 2. Redistributions in binary form must reproduce the above copyright
ffeab3c04e83 Initial revision darius parents: diff changeset	13 * notice, this list of conditions and the following disclaimer in the
ffeab3c04e83 Initial revision darius parents: diff changeset	14 * documentation and/or other materials provided with the distribution.
ffeab3c04e83 Initial revision darius parents: diff changeset	15 *
ffeab3c04e83 Initial revision darius parents: diff changeset	16 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
ffeab3c04e83 Initial revision darius parents: diff changeset	17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
ffeab3c04e83 Initial revision darius parents: diff changeset	18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ffeab3c04e83 Initial revision darius parents: diff changeset	19 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
ffeab3c04e83 Initial revision darius parents: diff changeset	20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
ffeab3c04e83 Initial revision darius parents: diff changeset	21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
ffeab3c04e83 Initial revision darius parents: diff changeset	22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
ffeab3c04e83 Initial revision darius parents: diff changeset	23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
ffeab3c04e83 Initial revision darius parents: diff changeset	24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
ffeab3c04e83 Initial revision darius parents: diff changeset	25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
ffeab3c04e83 Initial revision darius parents: diff changeset	26 * SUCH DAMAGE.
ffeab3c04e83 Initial revision darius parents: diff changeset	27 */
ffeab3c04e83 Initial revision darius parents: diff changeset	28
ffeab3c04e83 Initial revision darius parents: diff changeset	29 #include <avr/io.h>
ffeab3c04e83 Initial revision darius parents: diff changeset	30 #include <avr/interrupt.h>
ffeab3c04e83 Initial revision darius parents: diff changeset	31 #include <avr/pgmspace.h>
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	32 #include <stdio.h>
0 ffeab3c04e83 Initial revision darius parents: diff changeset	33 #include <string.h>
4 81e2f85e02ce Implement a command driven 1 wire bus tool. darius parents: 0 diff changeset	34 #include <ctype.h>
13 2c03ec600dbc Reduce object code size as much as possible. darius parents: 11 diff changeset	35 #include <stdlib.h>
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	36 #include <util/delay.h>
47 13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	37 #include <avr/wdt.h>
0 ffeab3c04e83 Initial revision darius parents: diff changeset	38
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	39 #include "cons.h"
0 ffeab3c04e83 Initial revision darius parents: diff changeset	40 #include "1wire.h"
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	41 #ifdef WITHUSB
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	42 #include "usb.h"
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	43 #endif
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	44 #include "tempctrl.h"
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	45
47 13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	46 /*
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	47 * Mirror of the MCUCSR register, taken early during startup.
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	48 */
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	49 uint8_t mcucsr __attribute__((section(".noinit")));
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	50
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	51 void process_cmd(void);
0 ffeab3c04e83 Initial revision darius parents: diff changeset	52
47 13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	53 /*
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	54 * Read out and reset MCUCSR early during startup.
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	55 */
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	56 void handle_mcucsr(void)
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	57 __attribute__((section(".init3")))
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	58 __attribute__((naked));
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	59 void handle_mcucsr(void) {
53 98b5a43fc748 Disable WDT in reset just in case we take too long (eg after reset when the darius@Inchoate parents: 52 diff changeset	60 wdt_disable();
47 13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	61 mcucsr = MCUCSR;
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	62 MCUCSR = 0;
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	63 }
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	64
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	65 int
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	66 main(void) {
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	67 /* Disable interrupts while we frob stuff */
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	68 cli();
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	69
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	70 #if 0
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	71 /* Disable JTAG (yes twice) */
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	72 MCUCSR \|= _BV(JTD);
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	73 MCUCSR \|= _BV(JTD);
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	74 #endif
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	75
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	76 #ifdef WITHUSB
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	77 /* USB data bus (7:0) */
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	78 DDRA = 0x00;
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	79 PORTA = 0x00;
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	80
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	81 /* USB control (4:0) */
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	82 DDRB = 0x0d;
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	83 PORTB = 0x00;
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	84 #else
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	85 DDRA = 0xff;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	86 PORTA = 0x00;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	87 #endif
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	88 /* GPIO (0:7) */
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	89 DDRC = 0xff;
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	90 PORTC = 0x00;
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	91
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	92 /* USART (0:1), IDBus (2:5), 485 (6:6), GPIO (7:7) */
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	93 DDRD = 0xf7;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	94 PORTD = 0xf7;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	95
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	96 /* Set up the one wire stuff */
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	97 OWInit();
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	98
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	99 /* Init UART */
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	100 cons_init();
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	101
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	102 printf_P(PSTR("\r\n\r\n===============\r\n"
5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	103 "Inited!\r\n\r\n"));
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	104
47 13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	105 if ((mcucsr & _BV(PORF)) == _BV(PORF))
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	106 printf_P(PSTR("Power on reset\r\n"));
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	107
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	108 if ((mcucsr & _BV(EXTRF)) == _BV(EXTRF))
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	109 printf_P(PSTR("External reset\r\n"));
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	110
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	111 if ((mcucsr & _BV(BORF)) == _BV(BORF))
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	112 printf_P(PSTR("Brown-out reset\r\n"));
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	113
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	114 if ((mcucsr & _BV(WDRF)) == _BV(WDRF))
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	115 printf_P(PSTR("Watchdog reset\r\n"));
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	116
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	117 if ((mcucsr & _BV(JTRF)) == _BV(JTRF))
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	118 printf_P(PSTR("JTAG reset\r\n"));
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	119
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	120 tempctrl_init();
5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	121
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	122 /* Ready to go! */
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	123 sei();
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	124
47 13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	125 /*
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	126 * Enable the watchdog with the largest prescaler. Will cause a
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	127 * watchdog reset after approximately 2 s @ Vcc = 5 V
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	128 *
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	129 * Gets reset in the loop below and in the tempctrl.c timer IRQ
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	130 */
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	131 wdt_enable(WDTO_2S);
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	132
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	133 #ifdef WITHUSB
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	134 printf_P(PSTR("Calling usb_init\r\n"));
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	135 usb_init();
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	136 printf_P(PSTR("done\r\n"));
5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	137 _delay_us(1000);
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	138 #endif
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	139 printf_P(PSTR("> "));
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	140 cmd.state = 0;
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	141
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	142 /* Wait for user input or an "interrupt" */
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	143 while (1) {
47 13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	144 wdt_reset();
13a68734348b Add watchdog timer. darius@Inchoate parents: 41 diff changeset	145
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	146 tempctrl_update();
5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	147
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	148 if (cmd.state == 255) {
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	149 process_cmd();
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	150 printf_P(PSTR("> "));
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	151 /* Allow new characters to be processed */
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	152 cmd.state = 0;
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	153 }
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	154
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	155 #ifdef WITHUSB
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	156 if (!(PDICTL & _BV(PDIINT)))
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	157 usb_intr();
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	158 #endif
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	159 }
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	160 }
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	161
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	162 void
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	163 process_cmd(void) {
52 3217e93b28a3 Missed variable declaration changes from previous commit. darius@Inchoate parents: 51 diff changeset	164 uint8_t ROM[8], crc, buf[9], temp;
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	165 int8_t i, arg;
52 3217e93b28a3 Missed variable declaration changes from previous commit. darius@Inchoate parents: 51 diff changeset	166 int16_t t;
0 ffeab3c04e83 Initial revision darius parents: diff changeset	167
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	168 /* User just pressed enter */
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	169 if (cmd.len == 0)
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	170 return;
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	171
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	172 if (!strcasecmp_P((char *)cmd.buf, PSTR("?")) \|\|
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	173 !strcasecmp_P((char *)cmd.buf, PSTR("help"))) {
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	174 printf_P(PSTR("rs Reset and check for presence\r\n"
5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	175 "sr Search the bus for ROMs\r\n"
5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	176 "re Read a bit\r\n"
5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	177 "rb Read a byte\r\n"
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	178 "wr bit Write a bit\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	179 "wb byte Write a byte (hex)\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	180 "wc cmd [ROMID] Write command\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	181 "te ROMID Read the temperature from a DS1820\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	182 "in port Read from a port\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	183 "ou port val Write to a port (val in hex)\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	184 "dd port [val] Read/write DDR for a port (val in hex)\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	185 "rt ROMID Read DS2502 status page\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	186 "we ROMID adr val Write data into a DS2502 PROM (adr & val in hex)\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	187 "rr ROMID Read DS2502 PROM\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	188 "zz Reset MCU\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	189 #ifdef WITHUSB
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	190 "us Generate USB data\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	191 #endif
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	192 "tc ... Temperature control related (tc help for more)\r\n"));
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	193
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	194 return;
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	195 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("zz"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	196 cli();
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	197 wdt_enable(WDTO_15MS);
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	198 for (;;)
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	199 ;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	200 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("rs"), 2)) {
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	201 printf_P(PSTR("Resetting... "));
4 81e2f85e02ce Implement a command driven 1 wire bus tool. darius parents: 0 diff changeset	202
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	203 if (OWTouchReset() == 1)
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	204 printf_P(PSTR("No presence pulse found\r\n"));
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	205 else
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	206 printf_P(PSTR("Presence pulse found\r\n"));
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	207 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("re"), 2)) {
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	208 if (OWReadBit())
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	209 printf_P(PSTR("Read a 1\r\n"));
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	210 else
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	211 printf_P(PSTR("Read a 0\r\n"));
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	212 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("rb"), 2)) {
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	213 printf_P(PSTR("Read a 0x%02x\r\n"), OWReadByte());
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	214 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("wr"), 2)) {
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	215 arg = strtol((char )cmd.buf + 3, (char *)NULL, 10);
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	216 OWWriteBit(arg);
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	217 printf_P(PSTR("Wrote a %c\r\n"), arg ? '1' : '0');
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	218 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("wb"), 2)) {
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	219 arg = (int)strtol((char )cmd.buf + 3, (char *)NULL, 16);
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	220 OWWriteByte(arg);
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	221 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("rt"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	222 if (sscanf_P((char *)cmd.buf, PSTR("rt %hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"),
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	223 &ROM[0], &ROM[1], &ROM[2], &ROM[3],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	224 &ROM[4], &ROM[5], &ROM[6], &ROM[7]) != 8) {
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	225 printf_P(PSTR("Unable to parse ROM ID\r\n"));
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	226 return;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	227 }
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	228
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	229 if (ROM[0] != OW_FAMILY_ROM) {
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	230 printf_P(PSTR("ROM specified isn't a DS2502\r\n"));
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	231 return;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	232 }
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	233
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	234 if (OWTouchReset() != 0) {
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	235 printf_P(PSTR("No presence\r\n"));
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	236 return;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	237 }
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	238
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	239 crc = 0;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	240
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	241 OWCRC(OW_READ_STATUS, &crc);
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	242 OWSendCmd(ROM, OW_READ_STATUS);
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	243
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	244 OWWriteByte(0x00);
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	245 OWCRC(0x00, &crc);
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	246
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	247 OWWriteByte(0x00);
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	248 OWCRC(0x00, &crc);
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	249
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	250 if (crc != OWReadByte()) {
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	251 printf_P(PSTR("CRC mismatch on command & address\r\n"));
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	252 return;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	253 }
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	254
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	255 crc = 0;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	256 for (i = 0; i < 8; i++) {
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	257 temp = OWReadByte();
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	258 printf_P(PSTR("%02x "), temp);
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	259 OWCRC(temp, &crc);
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	260 }
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	261 printf_P(PSTR("\r\n"));
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	262 if (crc != OWReadByte()) {
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	263 printf_P(PSTR("CRC mismatch on data\r\n"));
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	264 return;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	265 }
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	266 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("we"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	267 uint8_t adr, data;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	268
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	269 if (sscanf_P((char *)cmd.buf, PSTR("we %hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx %hhx %hhx"),
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	270 &ROM[0], &ROM[1], &ROM[2], &ROM[3],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	271 &ROM[4], &ROM[5], &ROM[6], &ROM[7],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	272 &adr, &data) != 10) {
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	273 printf_P(PSTR("Unable to parse ROM ID\r\n"));
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	274 return;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	275 }
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	276
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	277 if (ROM[0] != OW_FAMILY_ROM) {
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	278 printf_P(PSTR("ID specified isn't a ROM\r\n"));
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	279 return;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	280 }
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	281
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	282 if (OWTouchReset() != 0) {
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	283 printf_P(PSTR("No presence\r\n"));
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	284 return;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	285 }
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	286
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	287 printf_P(PSTR("OWProgROM returned %S\r\n"), OWProgROM_Status[OWProgROM(ROM, buf[0], 2, &buf[1], 0, 0)]);
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	288 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("rr"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	289 if (sscanf_P((char *)cmd.buf, PSTR("rr %hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"),
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	290 &ROM[0], &ROM[1], &ROM[2], &ROM[3],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	291 &ROM[4], &ROM[5], &ROM[6], &ROM[7]) != 8) {
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	292 printf_P(PSTR("Unable to parse ROM ID\r\n"));
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	293 return;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	294 }
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	295
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	296 if (ROM[0] != OW_FAMILY_ROM) {
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	297 printf_P(PSTR("ROM specified isn't a ROM\r\n"));
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	298 return;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	299 }
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	300
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	301 crc = 0;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	302 OWSendCmd(ROM, OW_READ_MEMORY);
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	303 OWCRC(OW_READ_MEMORY, &crc);
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	304
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	305 OWWriteByte(0x00);
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	306 OWCRC(0x00, &crc);
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	307
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	308 OWWriteByte(0x00);
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	309 OWCRC(0x00, &crc);
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	310
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	311 if (crc != OWReadByte()) {
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	312 printf_P(PSTR("CRC mismatch on command & address\r\n"));
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	313 return;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	314 }
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	315
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	316 crc = 0;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	317 for (buf[0] = 0; buf[0] < 128; buf[0]++) {
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	318 buf[1] = OWReadByte();
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	319 if (buf[0] > 0) {
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	320 if (buf[0] % 16 != 0)
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	321 printf_P(PSTR(" "));
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	322 else
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	323 printf_P(PSTR("\r\n"));
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	324 }
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	325
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	326 printf_P(PSTR("%02x"), buf[1]);
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	327 OWCRC(buf[1], &crc);
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	328 }
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	329 printf_P(PSTR("\r\n"));
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	330 if (crc != OWReadByte()) {
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	331 printf_P(PSTR("CRC mismatch on data\r\n"));
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	332 return;
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	333 }
25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	334
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	335 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("wc"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	336 uint8_t c;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	337
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	338 i = sscanf_P((char *)cmd.buf, PSTR("wc %hhx %hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"),
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	339 &ROM[0], &ROM[1], &ROM[2], &ROM[3],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	340 &ROM[4], &ROM[5], &ROM[6], &ROM[7],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	341 &c);
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	342
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	343 if (i != 1 && i != 9) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	344 printf_P(PSTR("Incorrect usage\r\n"));
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	345 return;
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	346 }
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	347
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	348 if (i == 1) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	349 OWSendCmd(i == 1 ? NULL : ROM, c);
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	350 return;
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	351 }
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	352 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("te"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	353 if (sscanf_P((char *)cmd.buf, PSTR("te %hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"),
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	354 &ROM[0], &ROM[1], &ROM[2], &ROM[3],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	355 &ROM[4], &ROM[5], &ROM[6], &ROM[7]) != 8) {
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	356 printf_P(PSTR("Unable to parse ROM ID\r\n"));
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	357 return;
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	358 }
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	359
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	360 t = OWGetTemp(ROM);
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	361 switch (t) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	362 case OW_TEMP_WRONG_FAM:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	363 printf_P(PSTR("ROM specified isn't a temperature sensor\r\n"));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	364 break;
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	365
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	366 case OW_TEMP_CRC_ERR:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	367 printf_P(PSTR("CRC mismatch\r\n"));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	368 break;
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	369
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	370 case OW_TEMP_NO_ROM:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	371 printf_P(PSTR("No ROM found\r\n"));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	372 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	373
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	374 default:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	375 printf_P(PSTR("%d.%02d\r\n"), GETWHOLE(t), GETFRAC(t));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	376 break;
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	377 }
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	378 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("sr"), 2)) {
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	379 memset(ROM, 0, 8);
10 eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	380
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	381 i = OWFirst(ROM, 1, 0);
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	382 do {
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	383 switch (i) {
10 eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	384 case OW_BADWIRE:
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	385 printf_P(PSTR("Presence pulse, but no module found, bad module/cabling?\r\n"));
10 eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	386 break;
eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	387
eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	388 case OW_NOPRESENCE:
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	389 printf_P(PSTR("No presence pulse found\r\n"));
10 eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	390 break;
eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	391
eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	392 case OW_BADCRC:
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	393 printf_P(PSTR("Bad CRC\r\n"));
10 eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	394 break;
eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	395
eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	396 case OW_NOMODULES:
eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	397 case OW_FOUND:
eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	398 break;
eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	399
eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	400 default:
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	401 printf_P(PSTR("Unknown error from 1 wire library\r\n"));
10 eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	402 break;
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	403 }
10 eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	404
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	405 if (i != OW_FOUND)
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	406 break;
13 2c03ec600dbc Reduce object code size as much as possible. darius parents: 11 diff changeset	407
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	408 for (i = 0; i < 8; i++)
5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	409 printf_P(PSTR("%02x%S"), ROM[i], i == 7 ? PSTR("\r\n") : PSTR(":"));
10 eb1faf51968e - Add some useful return values to search functions. darius parents: 9 diff changeset	410
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	411 i = OWNext(ROM, 1, 0);
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	412 } while (1);
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	413 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("in"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	414 uint8_t inp;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	415
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	416 switch (tolower(cmd.buf[3])) {
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	417 case 'a':
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	418 inp = PINA;
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	419 break;
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	420
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	421 case 'b':
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	422 inp = PINB;
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	423 break;
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	424
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	425 case 'c':
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	426 inp = PINC;
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	427 break;
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	428
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	429 case 'd':
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	430 inp = PIND;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	431 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	432
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	433 default:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	434 printf_P(PSTR("Unknown port\r\n"));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	435 return;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	436 }
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	437 printf_P(PSTR("0x%02x\r\n"), inp);
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	438 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("ou"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	439 char port;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	440 int val;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	441
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	442 if (sscanf_P((char *)cmd.buf, PSTR("ou %c %x"), &port, &val) != 2) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	443 printf_P(PSTR("Unable to parse ou arguments\r\n"));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	444 return;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	445 }
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	446
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	447 switch (port) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	448 case 'a':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	449 PORTA = val & 0xff;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	450 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	451
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	452 case 'b':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	453 PORTB = val & 0xff;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	454 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	455
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	456 case 'c':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	457 PORTC = val & 0xff;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	458 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	459
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	460 case 'd':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	461 PORTD = val & 0xff;
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	462 break;
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	463
2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	464 default:
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	465 printf_P(PSTR("Unknown port\r\n"));
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	466 return;
0 ffeab3c04e83 Initial revision darius parents: diff changeset	467 }
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	468 printf_P(PSTR("PORT%c <= 0x%02x\r\n"), toupper(port), val);
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	469 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("dd"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	470 char port;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	471 uint8_t val;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	472 int num;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	473
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	474 num = sscanf_P((char *)cmd.buf, PSTR("dd %c %x"), &port, &val);
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	475
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	476 if (num != 2 && num != 3) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	477 printf_P(PSTR("Unable to parse dd arguments\r\n"));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	478 return;
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	479 }
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	480
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	481 if (num == 2) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	482 switch (port) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	483 case 'a':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	484 val = DDRA;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	485 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	486
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	487 case 'b':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	488 val = DDRB;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	489 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	490
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	491 case 'c':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	492 val = DDRC;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	493 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	494
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	495 case 'd':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	496 val = DDRD;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	497 break;
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	498
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	499 default:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	500 printf_P(PSTR("Unknown port\r\n"));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	501 return;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	502 }
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	503 printf_P(PSTR("DDR%c => 0x%02x\r\n"), toupper(port), val);
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	504 } else {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	505 switch (port) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	506 case 'a':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	507 DDRA = val & 0xff;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	508 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	509
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	510 case 'b':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	511 DDRB = val & 0xff;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	512 break;
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	513
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	514 case 'c':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	515 DDRC = val & 0xff;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	516 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	517
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	518 case 'd':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	519 DDRD = val & 0xff;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	520 break;
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	521
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	522 default:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	523 printf_P(PSTR("Unknown port\r\n"));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	524 return;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	525 }
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	526 printf_P(PSTR("DDR%c <= 0x%02x\r\n"), toupper(port), val);
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	527 }
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	528 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("tc"), 2)) {
41 5898fba6593c Add temperature control. darius@inchoate.localdomain parents: 38 diff changeset	529 tempctrl_cmd((char *)cmd.buf);
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	530 #ifdef WITHUSB
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	531 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("us"), 2)) {
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	532 usb_gendata();
37 25fa387ef7e9 - Conditionalise USB support. darius parents: 30 diff changeset	533 #endif
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	534 } else {
51 cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse darius@Inchoate parents: 47 diff changeset	535 printf_P(PSTR("Unknown command, help for a list\r\n"));
0 ffeab3c04e83 Initial revision darius parents: diff changeset	536 }
24 2b0ed085b95b - Change to 38400 baud. darius parents: 18 diff changeset	537 }
0 ffeab3c04e83 Initial revision darius parents: diff changeset	538
ffeab3c04e83 Initial revision darius parents: diff changeset	539

Mercurial > ~darius > hgwebdir.cgi > tempctrl

annotate testavr.c @ 53:98b5a43fc748