Just4Trionic - CAN and BDM FLASH programmer for Saab cars
Fork of Just4Trionic by
t7can.cpp@3:92dae9083c83, 2011-06-07 (annotated)
- Committer:
- Just4pLeisure
- Date:
- Tue Jun 07 12:23:28 2011 +0000
- Revision:
- 3:92dae9083c83
- Child:
- 4:682d96ff6d79
Basic T7 CAN DUMP and FLASH for P-BUS connection only
Requires MyBooty V2.x for T5 CAN FLASHing at 1 Mbps
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Just4pLeisure | 3:92dae9083c83 | 1 | /******************************************************************************* |
Just4pLeisure | 3:92dae9083c83 | 2 | |
Just4pLeisure | 3:92dae9083c83 | 3 | trionic7.cpp - CAN Bus functions for Just4Trionic by Just4pLeisure |
Just4pLeisure | 3:92dae9083c83 | 4 | (c) 2011 by Sophie Dexter |
Just4pLeisure | 3:92dae9083c83 | 5 | |
Just4pLeisure | 3:92dae9083c83 | 6 | This C++ module provides functions for reading and writing the FLASH chips and |
Just4pLeisure | 3:92dae9083c83 | 7 | SRAM in Trionic7 ECUs. (Writing the adaption data back to SRAM not done yet). |
Just4pLeisure | 3:92dae9083c83 | 8 | |
Just4pLeisure | 3:92dae9083c83 | 9 | Some functions need an additional 'bootloader' program to be sent to the T5 ECU |
Just4pLeisure | 3:92dae9083c83 | 10 | before they can be used. These functions are: Identifying the T5 ECU type and |
Just4pLeisure | 3:92dae9083c83 | 11 | FLASH chips, dumping the FLASH chips, erasing the FLASH chips, writing to the |
Just4pLeisure | 3:92dae9083c83 | 12 | FLASH chips and calculating the FLASH chips' checksum. |
Just4pLeisure | 3:92dae9083c83 | 13 | |
Just4pLeisure | 3:92dae9083c83 | 14 | My version of the bootloader, BOOTY.S19, includes some features not in other |
Just4pLeisure | 3:92dae9083c83 | 15 | bootloaders; identifying the ECU and FLASH chip types, a 'safer' way of dumping |
Just4pLeisure | 3:92dae9083c83 | 16 | the FLASH chips and the ability to program AMD 29F010 type FLASH chips |
Just4pLeisure | 3:92dae9083c83 | 17 | |
Just4pLeisure | 3:92dae9083c83 | 18 | ******************************************************************************** |
Just4pLeisure | 3:92dae9083c83 | 19 | |
Just4pLeisure | 3:92dae9083c83 | 20 | WARNING: Use at your own risk, sadly this software comes with no guarantees. |
Just4pLeisure | 3:92dae9083c83 | 21 | This software is provided 'free' and in good faith, but the author does not |
Just4pLeisure | 3:92dae9083c83 | 22 | accept liability for any damage arising from its use. |
Just4pLeisure | 3:92dae9083c83 | 23 | |
Just4pLeisure | 3:92dae9083c83 | 24 | *******************************************************************************/ |
Just4pLeisure | 3:92dae9083c83 | 25 | |
Just4pLeisure | 3:92dae9083c83 | 26 | #include "t7can.h" |
Just4pLeisure | 3:92dae9083c83 | 27 | |
Just4pLeisure | 3:92dae9083c83 | 28 | // constants |
Just4pLeisure | 3:92dae9083c83 | 29 | #define CMD_BUF_LENGTH 32 ///< command buffer size |
Just4pLeisure | 3:92dae9083c83 | 30 | |
Just4pLeisure | 3:92dae9083c83 | 31 | // static variables |
Just4pLeisure | 3:92dae9083c83 | 32 | static char cmd_buffer[CMD_BUF_LENGTH]; ///< command string buffer |
Just4pLeisure | 3:92dae9083c83 | 33 | |
Just4pLeisure | 3:92dae9083c83 | 34 | //static uint32_t cmd_addr; ///< address (optional) |
Just4pLeisure | 3:92dae9083c83 | 35 | //static uint32_t cmd_value; ///< value (optional) |
Just4pLeisure | 3:92dae9083c83 | 36 | //static uint32_t cmd_result; ///< result |
Just4pLeisure | 3:92dae9083c83 | 37 | |
Just4pLeisure | 3:92dae9083c83 | 38 | //static uint32_t flash_start = 0; |
Just4pLeisure | 3:92dae9083c83 | 39 | |
Just4pLeisure | 3:92dae9083c83 | 40 | // private functions |
Just4pLeisure | 3:92dae9083c83 | 41 | uint8_t execute_t7_cmd(); |
Just4pLeisure | 3:92dae9083c83 | 42 | void t7_can_show_help(); |
Just4pLeisure | 3:92dae9083c83 | 43 | void t7_can_show_full_help(); |
Just4pLeisure | 3:92dae9083c83 | 44 | |
Just4pLeisure | 3:92dae9083c83 | 45 | void t7_can() { |
Just4pLeisure | 3:92dae9083c83 | 46 | // Start the CAN bus system |
Just4pLeisure | 3:92dae9083c83 | 47 | // Note that at the moment this is only for T5 ECUs at 615 kbits |
Just4pLeisure | 3:92dae9083c83 | 48 | can_open(); |
Just4pLeisure | 3:92dae9083c83 | 49 | can_set_speed(500000); |
Just4pLeisure | 3:92dae9083c83 | 50 | |
Just4pLeisure | 3:92dae9083c83 | 51 | t7_can_show_help(); |
Just4pLeisure | 3:92dae9083c83 | 52 | |
Just4pLeisure | 3:92dae9083c83 | 53 | if (t7_initialise()) |
Just4pLeisure | 3:92dae9083c83 | 54 | printf("Trionic 7 Connection OK\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 55 | else |
Just4pLeisure | 3:92dae9083c83 | 56 | printf("Trionic 7 Connection Failed\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 57 | // t7_authenticate(); |
Just4pLeisure | 3:92dae9083c83 | 58 | if (t7_authenticate()) |
Just4pLeisure | 3:92dae9083c83 | 59 | printf("Security Key Accepted\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 60 | else |
Just4pLeisure | 3:92dae9083c83 | 61 | printf("Security Key Failed\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 62 | |
Just4pLeisure | 3:92dae9083c83 | 63 | // main loop |
Just4pLeisure | 3:92dae9083c83 | 64 | *cmd_buffer = '\0'; |
Just4pLeisure | 3:92dae9083c83 | 65 | char ret; |
Just4pLeisure | 3:92dae9083c83 | 66 | char rx_char; |
Just4pLeisure | 3:92dae9083c83 | 67 | while (true) { |
Just4pLeisure | 3:92dae9083c83 | 68 | // read chars from USB |
Just4pLeisure | 3:92dae9083c83 | 69 | // send received messages to the pc over USB connection |
Just4pLeisure | 3:92dae9083c83 | 70 | // This function displays any CAN messages that are 'missed' by the other functions |
Just4pLeisure | 3:92dae9083c83 | 71 | // Can messages might be 'missed' because they are received after a 'timeout' period |
Just4pLeisure | 3:92dae9083c83 | 72 | // or because they weren't expected, e.g. if the T5 ECU resets for some reason |
Just4pLeisure | 3:92dae9083c83 | 73 | // t7_show_can_message(); |
Just4pLeisure | 3:92dae9083c83 | 74 | silent_can_message(); |
Just4pLeisure | 3:92dae9083c83 | 75 | if (pc.readable()) { |
Just4pLeisure | 3:92dae9083c83 | 76 | // turn Error LED off for next command |
Just4pLeisure | 3:92dae9083c83 | 77 | led4 = 0; |
Just4pLeisure | 3:92dae9083c83 | 78 | rx_char = pc.getc(); |
Just4pLeisure | 3:92dae9083c83 | 79 | switch (rx_char) { |
Just4pLeisure | 3:92dae9083c83 | 80 | // 'ESC' key to go back to mbed Just4Trionic 'home' menu |
Just4pLeisure | 3:92dae9083c83 | 81 | case '\e': |
Just4pLeisure | 3:92dae9083c83 | 82 | can_close(); |
Just4pLeisure | 3:92dae9083c83 | 83 | return; |
Just4pLeisure | 3:92dae9083c83 | 84 | // end-of-command reached |
Just4pLeisure | 3:92dae9083c83 | 85 | case TERM_OK : |
Just4pLeisure | 3:92dae9083c83 | 86 | // execute command and return flag via USB |
Just4pLeisure | 3:92dae9083c83 | 87 | timer.reset(); |
Just4pLeisure | 3:92dae9083c83 | 88 | timer.start(); |
Just4pLeisure | 3:92dae9083c83 | 89 | ret = execute_t7_cmd(); |
Just4pLeisure | 3:92dae9083c83 | 90 | pc.putc(ret); |
Just4pLeisure | 3:92dae9083c83 | 91 | printf("Completed in %.3f seconds.\r\n", timer.read()); |
Just4pLeisure | 3:92dae9083c83 | 92 | // reset command buffer |
Just4pLeisure | 3:92dae9083c83 | 93 | *cmd_buffer = '\0'; |
Just4pLeisure | 3:92dae9083c83 | 94 | // light up LED |
Just4pLeisure | 3:92dae9083c83 | 95 | // ret == TERM_OK ? led_on(LED_ACT) : led_on(LED_ERR); |
Just4pLeisure | 3:92dae9083c83 | 96 | ret == TERM_OK ? led3 = 1 : led4 = 1; |
Just4pLeisure | 3:92dae9083c83 | 97 | break; |
Just4pLeisure | 3:92dae9083c83 | 98 | // another command char |
Just4pLeisure | 3:92dae9083c83 | 99 | default: |
Just4pLeisure | 3:92dae9083c83 | 100 | // store in buffer if space permits |
Just4pLeisure | 3:92dae9083c83 | 101 | if (StrLen(cmd_buffer) < CMD_BUF_LENGTH - 1) { |
Just4pLeisure | 3:92dae9083c83 | 102 | StrAddc(cmd_buffer, rx_char); |
Just4pLeisure | 3:92dae9083c83 | 103 | } |
Just4pLeisure | 3:92dae9083c83 | 104 | break; |
Just4pLeisure | 3:92dae9083c83 | 105 | } |
Just4pLeisure | 3:92dae9083c83 | 106 | } |
Just4pLeisure | 3:92dae9083c83 | 107 | } |
Just4pLeisure | 3:92dae9083c83 | 108 | } |
Just4pLeisure | 3:92dae9083c83 | 109 | |
Just4pLeisure | 3:92dae9083c83 | 110 | //----------------------------------------------------------------------------- |
Just4pLeisure | 3:92dae9083c83 | 111 | /** |
Just4pLeisure | 3:92dae9083c83 | 112 | Executes a command and returns result flag (does not transmit the flag |
Just4pLeisure | 3:92dae9083c83 | 113 | itself). |
Just4pLeisure | 3:92dae9083c83 | 114 | |
Just4pLeisure | 3:92dae9083c83 | 115 | @return command flag (success / failure) |
Just4pLeisure | 3:92dae9083c83 | 116 | */ |
Just4pLeisure | 3:92dae9083c83 | 117 | uint8_t execute_t7_cmd() { |
Just4pLeisure | 3:92dae9083c83 | 118 | |
Just4pLeisure | 3:92dae9083c83 | 119 | |
Just4pLeisure | 3:92dae9083c83 | 120 | // uint8_t cmd_length = strlen(cmd_buffer); |
Just4pLeisure | 3:92dae9083c83 | 121 | // command groups |
Just4pLeisure | 3:92dae9083c83 | 122 | switch (*cmd_buffer) { |
Just4pLeisure | 3:92dae9083c83 | 123 | // CHECK_ARGLENGTH(0); |
Just4pLeisure | 3:92dae9083c83 | 124 | // Get the Symbol Table |
Just4pLeisure | 3:92dae9083c83 | 125 | case 'i' : |
Just4pLeisure | 3:92dae9083c83 | 126 | case 'I' : |
Just4pLeisure | 3:92dae9083c83 | 127 | return t7_initialise() |
Just4pLeisure | 3:92dae9083c83 | 128 | ? TERM_OK : TERM_ERR; |
Just4pLeisure | 3:92dae9083c83 | 129 | case 'a' : |
Just4pLeisure | 3:92dae9083c83 | 130 | case 'A' : |
Just4pLeisure | 3:92dae9083c83 | 131 | return t7_authenticate() |
Just4pLeisure | 3:92dae9083c83 | 132 | ? TERM_OK : TERM_ERR; |
Just4pLeisure | 3:92dae9083c83 | 133 | |
Just4pLeisure | 3:92dae9083c83 | 134 | // Erase the FLASH chips |
Just4pLeisure | 3:92dae9083c83 | 135 | case 'e': |
Just4pLeisure | 3:92dae9083c83 | 136 | case 'E': |
Just4pLeisure | 3:92dae9083c83 | 137 | return t7_erase() |
Just4pLeisure | 3:92dae9083c83 | 138 | ? TERM_OK : TERM_ERR; |
Just4pLeisure | 3:92dae9083c83 | 139 | // DUMP the T5 ECU BIN file stored in the FLASH chips |
Just4pLeisure | 3:92dae9083c83 | 140 | case 'd': |
Just4pLeisure | 3:92dae9083c83 | 141 | case 'D': |
Just4pLeisure | 3:92dae9083c83 | 142 | return t7_dump() |
Just4pLeisure | 3:92dae9083c83 | 143 | ? TERM_OK : TERM_ERR; |
Just4pLeisure | 3:92dae9083c83 | 144 | // Send a FLASH update file to the T5 ECU |
Just4pLeisure | 3:92dae9083c83 | 145 | case 'f': |
Just4pLeisure | 3:92dae9083c83 | 146 | case 'F': |
Just4pLeisure | 3:92dae9083c83 | 147 | return t7_flash() |
Just4pLeisure | 3:92dae9083c83 | 148 | ? TERM_OK : TERM_ERR; |
Just4pLeisure | 3:92dae9083c83 | 149 | |
Just4pLeisure | 3:92dae9083c83 | 150 | case '3': |
Just4pLeisure | 3:92dae9083c83 | 151 | |
Just4pLeisure | 3:92dae9083c83 | 152 | // Print help |
Just4pLeisure | 3:92dae9083c83 | 153 | case 'h': |
Just4pLeisure | 3:92dae9083c83 | 154 | t7_can_show_help(); |
Just4pLeisure | 3:92dae9083c83 | 155 | return TERM_OK; |
Just4pLeisure | 3:92dae9083c83 | 156 | case 'H': |
Just4pLeisure | 3:92dae9083c83 | 157 | t7_can_show_full_help(); |
Just4pLeisure | 3:92dae9083c83 | 158 | return TERM_OK; |
Just4pLeisure | 3:92dae9083c83 | 159 | default: |
Just4pLeisure | 3:92dae9083c83 | 160 | t7_can_show_help(); |
Just4pLeisure | 3:92dae9083c83 | 161 | break; |
Just4pLeisure | 3:92dae9083c83 | 162 | } |
Just4pLeisure | 3:92dae9083c83 | 163 | // unknown command |
Just4pLeisure | 3:92dae9083c83 | 164 | return TERM_ERR; |
Just4pLeisure | 3:92dae9083c83 | 165 | } |
Just4pLeisure | 3:92dae9083c83 | 166 | |
Just4pLeisure | 3:92dae9083c83 | 167 | // |
Just4pLeisure | 3:92dae9083c83 | 168 | // Trionic7ShowHelp |
Just4pLeisure | 3:92dae9083c83 | 169 | // |
Just4pLeisure | 3:92dae9083c83 | 170 | // Displays a list of things that can be done with the T5 ECU. |
Just4pLeisure | 3:92dae9083c83 | 171 | // |
Just4pLeisure | 3:92dae9083c83 | 172 | // inputs: none |
Just4pLeisure | 3:92dae9083c83 | 173 | // return: none |
Just4pLeisure | 3:92dae9083c83 | 174 | // |
Just4pLeisure | 3:92dae9083c83 | 175 | void t7_can_show_help() { |
Just4pLeisure | 3:92dae9083c83 | 176 | printf("Trionic 7 Command Menu\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 177 | printf("======================\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 178 | printf("D - Read and DUMP T7 FLASH BIN file\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 179 | printf("F - FLASH the update file to the T7\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 180 | printf("\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 181 | printf("'ESC' - Return to Just4Trionic Main Menu\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 182 | printf("\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 183 | printf("h - Show this help menu\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 184 | printf("\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 185 | return; |
Just4pLeisure | 3:92dae9083c83 | 186 | } |
Just4pLeisure | 3:92dae9083c83 | 187 | // |
Just4pLeisure | 3:92dae9083c83 | 188 | // t7_can_show_full_help |
Just4pLeisure | 3:92dae9083c83 | 189 | // |
Just4pLeisure | 3:92dae9083c83 | 190 | // Displays a complete list of things that can be done with the T5 ECU. |
Just4pLeisure | 3:92dae9083c83 | 191 | // |
Just4pLeisure | 3:92dae9083c83 | 192 | // inputs: none |
Just4pLeisure | 3:92dae9083c83 | 193 | // return: none |
Just4pLeisure | 3:92dae9083c83 | 194 | // |
Just4pLeisure | 3:92dae9083c83 | 195 | void t7_can_show_full_help() { |
Just4pLeisure | 3:92dae9083c83 | 196 | printf("Trionic 7 Command Menu\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 197 | printf("======================\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 198 | printf("D - Read and DUMP T7 FLASH BIN file\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 199 | printf("F - FLASH the update file to the T7\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 200 | printf("\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 201 | printf("\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 202 | printf("i - Send initialisation message to T7\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 203 | printf("a - Send Authentication key to T7\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 204 | printf("d - Dump T7 Bin file\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 205 | printf("\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 206 | printf("'ESC' - Return to Just4Trionic Main Menu\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 207 | printf("\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 208 | printf("H - Show this help menu\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 209 | printf("\r\n"); |
Just4pLeisure | 3:92dae9083c83 | 210 | return; |
Just4pLeisure | 3:92dae9083c83 | 211 | } |
Just4pLeisure | 3:92dae9083c83 | 212 | |
Just4pLeisure | 3:92dae9083c83 | 213 |