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annotate usb.h @ 50:a13e0ccc1d2d
Rejig how temperatures are logged. Print out the final line at the end so it
is printed in one hit.
| author | darius@Inchoate |
|---|---|
| date | Wed, 29 Oct 2008 16:06:42 +1030 |
| parents | fed32b382de2 |
| children |
| rev | line source |
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| 23 | 1 /* |
| 2 * Copyright (c) 2003 Bernd Walter | |
| 3 * All rights reserved. | |
| 4 */ | |
| 5 | |
| 6 /* Example Source Code for USB Enumeration using a PDIUSBD11 connected to a PIC16F87x | |
| 7 * Copyright 2001 Craig Peacock, Craig.Peacock@beyondlogic.org | |
| 8 * 31th December 2001 http://www.beyondlogic.org | |
| 9 */ | |
| 10 | |
| 11 typedef struct { | |
| 12 uint8_t bmRequestType; | |
| 13 uint8_t bRequest; | |
| 14 uint16_t wValue; | |
| 15 uint16_t wIndex; | |
| 16 uint16_t wLength; | |
| 31 | 17 } __attribute__ ((packed)) USB_SETUP_REQUEST; |
| 23 | 18 |
| 19 typedef struct { | |
| 20 uint8_t bLength; | |
| 21 uint8_t bDescriptorType; | |
| 22 uint16_t bcdUSB; | |
| 23 uint8_t bDeviceClass; | |
| 24 uint8_t bDeviceSubClass; | |
| 25 uint8_t bDeviceProtocol; | |
| 26 uint8_t bMaxPacketSize0; | |
| 27 uint16_t idVendor; | |
| 28 uint16_t idProduct; | |
| 29 uint16_t bcdDevice; | |
| 30 uint8_t iManufacturer; | |
| 31 uint8_t iProduct; | |
| 32 uint8_t iSerialNumber; | |
| 33 uint8_t bNumConfigurations; | |
| 31 | 34 } __attribute__ ((packed)) USB_DEVICE_DESCRIPTOR; |
| 23 | 35 |
| 36 typedef struct { | |
| 37 uint8_t bLength; | |
| 38 uint8_t bDescriptorType; | |
| 39 uint8_t bEndpointAddress; | |
| 40 uint8_t bmAttributes; | |
| 41 uint16_t wMaxPacketSize; | |
| 42 uint8_t bInterval; | |
| 31 | 43 } __attribute__ ((packed)) USB_ENDPOINT_DESCRIPTOR; |
| 23 | 44 |
| 45 typedef struct { | |
| 46 uint8_t bLength; | |
| 47 uint8_t bDescriptorType; | |
| 48 uint16_t wTotalLength; | |
| 49 uint8_t bNumInterfaces; | |
| 50 uint8_t bConfigurationValue; | |
| 51 uint8_t iConfiguration; | |
| 52 uint8_t bmAttributes; | |
| 53 uint8_t MaxPower; | |
| 31 | 54 } __attribute__ ((packed)) USB_CONFIGURATION_DESCRIPTOR; |
| 23 | 55 |
| 56 typedef struct { | |
| 57 uint8_t bLength; | |
| 58 uint8_t bDescriptorType; | |
| 59 uint8_t bInterfaceNumber; | |
| 60 uint8_t bAlternateSetting; | |
| 61 uint8_t bNumEndpoints; | |
| 62 uint8_t bInterfaceClass; | |
| 63 uint8_t bInterfaceSubClass; | |
| 64 uint8_t bInterfaceProtocol; | |
| 65 uint8_t iInterface; | |
| 31 | 66 } __attribute__ ((packed)) USB_INTERFACE_DESCRIPTOR; |
| 23 | 67 |
| 68 typedef struct { | |
| 69 uint8_t bLength; | |
| 70 uint8_t bDescriptorType; | |
| 71 uint16_t wHIDClassSpecComp; | |
| 72 uint8_t bCountry; | |
| 73 uint8_t bNumDescriptors; | |
| 74 uint8_t b1stDescType; | |
| 75 uint16_t w1stDescLength; | |
| 31 | 76 } __attribute__ ((packed)) USB_HID_DESCRIPTOR; |
| 23 | 77 |
| 78 typedef struct { | |
| 79 USB_CONFIGURATION_DESCRIPTOR ConfigDescriptor; | |
| 80 USB_INTERFACE_DESCRIPTOR InterfaceDescriptor0; | |
| 81 USB_ENDPOINT_DESCRIPTOR EndpointDescriptor00; | |
| 82 USB_ENDPOINT_DESCRIPTOR EndpointDescriptor01; | |
| 83 USB_INTERFACE_DESCRIPTOR InterfaceDescriptor1; | |
| 84 USB_ENDPOINT_DESCRIPTOR EndpointDescriptor10; | |
| 85 USB_ENDPOINT_DESCRIPTOR EndpointDescriptor11; | |
| 31 | 86 } __attribute__ ((packed)) USB_CONFIG_DATA; |
| 23 | 87 |
| 88 typedef struct { | |
| 89 uint8_t bLength; | |
| 90 uint8_t bDescriptorType; | |
| 91 char bString[]; | |
| 31 | 92 } __attribute__ ((packed)) STRING_DESCRIPTOR; |
| 23 | 93 |
| 94 typedef struct { | |
| 95 uint8_t bLength; | |
| 96 uint8_t bDescriptorType; | |
| 97 uint16_t wLANGID0; | |
| 31 | 98 } __attribute__ ((packed)) LANGID_DESCRIPTOR; |
| 23 | 99 |
|
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100 #define D12_SET_ADDRESS_ENABLE 0xd0 |
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101 #define D12_SET_ENDPOINT_ENABLE 0xd8 |
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102 #define D12_SET_MODE 0xf3 |
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103 #define D12_SET_DMA 0xfb |
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104 #define D12_READ_INTERRUPT_REGISTER 0xf4 |
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105 #define D12_READ_BUFFER 0xf0 |
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106 #define D12_WRITE_BUFFER 0xf0 |
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107 #define D12_ACK_SETUP 0xf2 |
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108 #define D12_CLEAR_BUFFER 0xf2 |
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109 #define D12_VALIDATE_BUFFER 0xfa |
| 23 | 110 #define D12_READ_LAST_TRANSACTION 0x40 |
| 111 #define D12_SET_ENDPOINT_STATUS 0x40 | |
| 112 #define D12_READ_ENDPOINT_STATUS 0x80 | |
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113 #define D12_READ_CHIP_ID 0xfd |
| 23 | 114 |
| 115 #define D12_ENDPOINT_EP0_OUT 0x00 | |
| 116 #define D12_ENDPOINT_EP0_IN 0x01 | |
| 117 #define D12_ENDPOINT_EP1_OUT 0x02 | |
| 118 #define D12_ENDPOINT_EP1_IN 0x03 | |
| 119 #define D12_ENDPOINT_EP2_OUT 0x04 | |
| 120 #define D12_ENDPOINT_EP2_IN 0x05 | |
| 121 | |
| 122 #define D12_INT_EP0_OUT 0x01 | |
| 123 #define D12_INT_EP0_IN 0x02 | |
| 124 #define D12_INT_EP1_OUT 0x04 | |
| 125 #define D12_INT_EP1_IN 0x08 | |
| 126 #define D12_INT_EP2_OUT 0x10 | |
| 127 #define D12_INT_EP2_IN 0x20 | |
| 128 #define D12_INT_BUS_RESET 0x40 | |
| 129 #define D12_INT_SUSPEND 0x80 | |
| 130 | |
| 31 | 131 #define D12_LAST_TRAN_OK 0x01 |
| 132 #define D12_LAST_TRAN_ERRMSK 0x1e | |
| 23 | 133 #define D12_LAST_TRAN_SETUP 0x20 |
| 31 | 134 #define D12_LAST_TRAN_DATA 0x40 |
| 135 #define D12_LAST_TRAN_OFLOW 0x80 | |
| 23 | 136 |
| 137 #define STANDARD_DEVICE_REQUEST 0x00 | |
| 138 #define STANDARD_INTERFACE_REQUEST 0x01 | |
| 139 #define STANDARD_ENDPOINT_REQUEST 0x02 | |
| 140 #define VENDOR_DEVICE_REQUEST 0x40 | |
| 141 #define VENDOR_INTERFACE_REQUEST 0x41 | |
| 142 #define VENDOR_ENDPOINT_REQUEST 0x42 | |
| 143 | |
| 144 #define GET_STATUS 0 | |
| 145 #define CLEAR_FEATURE 1 | |
| 146 #define SET_FEATURE 3 | |
| 147 #define SET_ADDRESS 5 | |
| 148 #define GET_DESCRIPTOR 6 | |
| 149 #define SET_DESCRIPTOR 7 | |
| 150 #define GET_CONFIGURATION 8 | |
| 151 #define SET_CONFIGURATION 9 | |
| 152 #define GET_INTERFACE 10 | |
| 153 #define SET_INTERFACE 11 | |
| 154 #define SYNCH_FRAME 12 | |
| 155 | |
| 31 | 156 #define VENDOR_DOTEMP 125 |
| 23 | 157 #define VENDOR_UPDATE 126 |
| 158 #define VENDOR_RESET 127 | |
| 159 | |
| 160 #define ENDPOINT_HALT 0 | |
| 161 | |
| 162 #define TYPE_DEVICE_DESCRIPTOR 1 | |
| 163 #define TYPE_CONFIGURATION_DESCRIPTOR 2 | |
| 164 #define TYPE_STRING_DESCRIPTOR 3 | |
| 165 #define TYPE_INTERFACE_DESCRIPTOR 4 | |
| 166 #define TYPE_ENDPOINT_DESCRIPTOR 5 | |
| 167 #define TYPE_HID_DESCRIPTOR 0x21 | |
| 168 | |
| 169 #define USB_ENDPOINT_TYPE_CONTROL 0x00 | |
| 170 #define USB_ENDPOINT_TYPE_ISOCHRONOUS 0x01 | |
| 171 #define USB_ENDPOINT_TYPE_BULK 0x02 | |
| 172 #define USB_ENDPOINT_TYPE_INTERRUPT 0x03 | |
| 173 | |
| 174 /* Function prototypes */ | |
| 175 uint8_t d12_get_data(void); | |
| 176 void d12_set_data(uint8_t data); | |
| 177 void d12_set_cmd(uint8_t cmd); | |
| 178 void d12_write_cmd(uint8_t command, const uint8_t *buffer, uint8_t count); | |
| 179 void d12_read_cmd(uint8_t command, uint8_t *buffer, uint8_t count); | |
| 180 uint8_t d12_read_endpt(uint8_t endpt, uint8_t *buffer); | |
| 181 | |
| 182 void d12_ep0_irq(void); | |
| 31 | 183 void d12_handle_setup(void); |
| 184 void d12_getdescriptor(USB_SETUP_REQUEST *setuppkt); | |
| 185 void d12_stallendpt(uint8_t ep); | |
| 23 | 186 uint8_t d12_read_endpt(uint8_t endpt, uint8_t *buffer); |
| 187 void d12_write_endpt(uint8_t endpt, const uint8_t *buffer, uint8_t bytes); | |
| 31 | 188 void d12_send_data_ep0(void); |
| 189 void d12_receive_data_ep1(void); | |
| 23 | 190 void d12_send_data_ep2(void); |
| 191 void d12_receive_data_ep2(void); | |
| 192 | |
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193 void reset(void); |
| 23 | 194 |
| 195 void usb_init(void); | |
| 196 void usb_intr(void); | |
| 197 void usb_gendata(void); | |
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198 |
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199 /* |
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200 * The PDIUSBD12 is wired up like so |
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201 * |
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202 * PDI AVR |
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203 * ====================== |
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204 * D7:0 <=> PA7:0 |
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205 * RD_N <= PB0 |
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206 * INT_N => PB1 |
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207 * WR_N <= PB2 |
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208 * A0 <= PB3 (0 = data, 1 = cmd) |
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209 * SUSPEND <=> PB4 |
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210 */ |
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211 |
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212 #define PDIPORT PORTA |
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213 #define PDIDDR PORTA |
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214 #define PDICTL PORTB |
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215 #define PDIRD PB0 |
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216 #define PDIINT PB1 |
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217 #define PDIWR PB2 |
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218 #define PDIA0 PB3 |
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219 #define PDISUSP PB4 |
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220 |