Mercurial > public > hwos_code
annotate src/comm.asm @ 646:5b7fe7777425
3.16 release
| author | heinrichs weikamp |
|---|---|
| date | Thu, 14 Oct 2021 12:03:24 +0200 |
| parents | 8c1f1f334275 |
| children | 682c514c53c0 |
| rev | line source |
|---|---|
| 0 | 1 ;============================================================================= |
| 2 ; | |
| 636 | 3 ; File comm.asm * combined next generation V3.10.0 |
| 0 | 4 ; |
| 5 ; RS232 via USB | |
| 6 ; | |
| 7 ; Copyright (c) 2012, JD Gascuel, HeinrichsWeikamp, all right reserved. | |
| 8 ;============================================================================= | |
| 9 ; HISTORY | |
| 10 ; 2011-08-22 : [mH] Creation | |
| 631 | 11 ; 2012-02-11 : [jDG] Added 0x63 set custom text, and "i" identify |
| 0 | 12 |
| 275 | 13 #include "hwos.inc" |
| 0 | 14 #include "eeprom_rs232.inc" |
| 15 #include "tft.inc" | |
| 16 #include "wait.inc" | |
| 17 #include "strings.inc" | |
| 18 #include "convert.inc" | |
| 19 #include "external_flash.inc" | |
| 20 #include "tft_outputs.inc" | |
| 21 #include "surfmode.inc" | |
| 22 #include "rtc.inc" | |
| 23 #include "adc_lightsensor.inc" | |
|
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24 #include "shared_definitions.h" |
| 604 | 25 #include "math.inc" |
| 631 | 26 #include "i2c.inc" |
| 27 #include "logbook.inc" | |
| 634 | 28 #include "colorschemes.inc" |
| 631 | 29 |
| 0 | 30 |
| 582 | 31 extern restart |
| 32 extern option_reset_all | |
| 631 | 33 extern option_check_and_store_all |
| 34 extern option_read_serial | |
| 35 extern option_write_serial | |
| 582 | 36 extern gaslist_cleanup_list |
| 631 | 37 extern eeprom_deco_data_write |
| 634 | 38 extern eeprom_memorize_fw_checksum |
| 0 | 39 |
| 40 | |
| 631 | 41 ; timeouts |
| 42 #DEFINE timeout_comm_pre_mode .240 ; [sec] timeout before communication is established | |
| 43 #DEFINE timeout_service_mode .120 ; [sec] timeout when communication is established | |
| 582 | 44 |
| 631 | 45 ; positioning of title |
| 46 #DEFINE comm_title_row .0 | |
| 623 | 47 #DEFINE comm_title_column_usb .40 |
| 582 | 48 #DEFINE comm_title_column_ble .25 |
| 0 | 49 |
| 631 | 50 ; positioning of host-sent text messages |
| 51 #DEFINE comm_string_row .30 | |
| 582 | 52 #DEFINE comm_string_column .40 |
| 53 | |
| 631 | 54 ; positioning of COMM mode status messages |
| 55 #DEFINE comm_status1_row .70 | |
| 582 | 56 #DEFINE comm_status1_column .10 |
| 57 #DEFINE comm_status2_row .100 | |
| 58 #DEFINE comm_status2_column comm_status1_column | |
| 59 #DEFINE comm_status3_row .130 | |
| 60 #DEFINE comm_status3_column comm_status1_column | |
| 604 | 61 #DEFINE comm_status4_row .160 |
| 62 #DEFINE comm_status4_column comm_status1_column | |
| 634 | 63 #DEFINE comm_status5_row .190 |
| 64 #DEFINE comm_status5_column comm_status1_column | |
| 65 | |
| 604 | 66 |
| 631 | 67 ; positioning of COMM mode warning icon |
| 68 #DEFINE comm_warning_row .160 | |
| 623 | 69 #DEFINE comm_warning_column .65 |
| 582 | 70 |
| 0 | 71 |
| 631 | 72 ;#DEFINE testloop_avail ; uncomment if testloop code is available |
| 73 | |
| 634 | 74 ;============================================================================= |
| 604 | 75 comm CODE |
| 76 ;============================================================================= | |
| 0 | 77 |
| 634 | 78 ;----------------------------------------------------------------------------- |
| 79 ; Entry Point for Comm Mode / USB | |
| 80 ; | |
| 623 | 81 global comm_mode_usb |
| 82 comm_mode_usb: ; entry point for comm mode via USB | |
| 83 WAITMS d'1' ; wait 1 ms | |
| 84 btfss vusb_in ; USB still plugged in? | |
| 85 return ; NO - it was only a glitch, abort | |
| 631 | 86 WAITMS d'1' ; YES - wait 1 ms |
| 87 btfss vusb_in ; - USB still plugged in? | |
| 88 return ; NO - it was only a glitch, abort | |
| 89 bsf aux_flag ; YES - remember to show USB title | |
| 90 bra comm_mode_common ; - continue with common part | |
| 623 | 91 |
| 634 | 92 |
| 93 ;----------------------------------------------------------------------------- | |
| 94 ; Entry Point for Comm Mode / BT | |
| 95 ; | |
| 96 global comm_mode_bt | |
| 97 comm_mode_bt: ; entry point for comm mode via BT | |
| 623 | 98 bcf aux_flag ; remember to show BLE title |
| 99 ;bra comm_mode_common ; continue with common part | |
| 100 | |
| 634 | 101 |
| 102 ;----------------------------------------------------------------------------- | |
| 103 ; Common Part of Comm Mode Entry | |
| 104 ; | |
| 623 | 105 comm_mode_common: |
| 631 | 106 clrf STKPTR ; reset addresses stack |
| 623 | 107 call TFT_ClearScreen ; clear screen |
| 634 | 108 FONT_COLOR color_greenish ; set color |
| 631 | 109 |
| 623 | 110 btfss aux_flag ; shall show USB title? |
| 634 | 111 bra comm_mode_common_bt ; NO - show BT title |
| 112 ;bra comm_mode_common_usb ; YES - show USB title | |
| 631 | 113 |
| 634 | 114 comm_mode_common_usb: |
| 115 WIN_SMALL comm_title_column_usb, comm_title_row ; set USB title position | |
| 116 STRCPY_TEXT_PRINT tUsbTitle ; print USB title text | |
| 117 bra comm_mode_common_logo ; continue with logo | |
| 631 | 118 |
| 634 | 119 comm_mode_common_bt: |
| 120 WIN_SMALL comm_title_column_ble, comm_title_row ; set BT title position | |
| 121 STRCPY_TEXT_PRINT tBleTitle ; print BT title text | |
| 122 ;bra comm_mode_common_logo ; continue with logo | |
| 123 | |
| 124 comm_mode_common_logo: | |
| 631 | 125 WIN_TOP .10 ; set position of USB/BLE logo, row |
| 126 WIN_LEFT .1 ; set position of USB/BLE logo, column | |
| 634 | 127 btfss battery_gauge_available ; "+" bootloader ? |
| 128 bra comm_mode_common_logo2 ; YES - show logo type 2 | |
| 129 ;bra comm_mode_common_logo1 ; NO - show logo type 1 | |
| 130 | |
| 131 comm_mode_common_logo1: | |
| 132 TFT_WRITE_PROM_IMAGE_BY_ADDR comm_logo_1 ; show USB/BT logo | |
| 133 bra comm_mode_common_start ; continue with starting message | |
| 631 | 134 |
| 634 | 135 comm_mode_common_logo2: |
| 136 TFT_WRITE_PROM_IMAGE_BY_ADDR comm_logo_2 ; show BT logo / OSTC+ | |
| 137 ;bra comm_mode_common_start ; continue with starting message | |
| 631 | 138 |
| 634 | 139 comm_mode_common_start: |
| 140 WIN_SMALL comm_status1_column,comm_status1_row ; set position | |
| 141 FONT_COLOR_MEMO ; set standard color | |
| 142 STRCPY_TEXT_PRINT tUsbStarting ; print status message "starting..." | |
| 631 | 143 |
| 623 | 144 WIN_TINY .40,.240-.16 ; set output position to bottom line |
| 634 | 145 call TFT_print_serial_and_firmware ; show serial number and firmware version |
| 604 | 146 |
| 147 IFDEF _screendump | |
| 631 | 148 bcf screen_dump_avail ; disable screen dump function |
| 604 | 149 ENDIF |
| 150 | |
| 631 | 151 bcf switch_right ; clear potential left-over right button event |
| 152 call enable_rs232 ; enable serial comm, also sets CPU to normal speed | |
| 153 | |
| 634 | 154 WIN_SMALL comm_status1_column+.80,comm_status1_row ; set position after starting message |
| 155 FONT_COLOR_MEMO ; set standard color | |
| 156 STRCPY_TEXT_PRINT tUsbStartDone ; print (adding to status message) "done..." | |
| 631 | 157 |
| 158 movlw timeout_comm_pre_mode ; get timeout for phase without communication established yet | |
| 159 movwf comm_timeout_timer ; initialize timeout counter | |
| 634 | 160 ;bra comm_mode_selection_loop ; continue with mode selection loop |
| 0 | 161 |
| 634 | 162 |
| 163 ;----------------------------------------------------------------------------- | |
| 164 ; Mode Selection Loop: Download Mode or Service Mode | |
| 165 ; | |
| 631 | 166 comm_mode_selection_loop: |
| 167 bcf trigger_full_second ; clear 'one second elapsed' flag | |
| 168 bcf LEDr ; switch off red LED / power down TR co-processor | |
| 169 dcfsnz comm_timeout_timer,F ; decrement timeout, reached zero? | |
| 170 bra comm_service_exit ; YES - timeout, exit comm mode | |
| 171 ;bra comm_mode_selection_loop_1 ; NO - try to receive a byte | |
| 172 comm_mode_selection_loop_1: | |
| 173 SERIAL_CC_RECEIVE lo ; (try to) receive 1 byte | |
| 174 btfsc rs232_rx_timeout ; timeout? | |
| 175 bra comm_mode_selection_loop_2 ; YES - check for comm mode termination | |
| 176 movf lo,W ; NO - copy received byte to lo | |
| 177 xorlw 0xAA ; - service mode start byte received? | |
| 178 bz comm_service_mode_check ; YES - check if correct key will be send | |
| 179 movf lo,W ; NO - copy received byte to lo again | |
| 180 xorlw 0xBB ; - download mode start byte received? | |
| 634 | 181 bz comm_download_mode ; YES - enter command loop |
| 182 ;bra comm_mode_selection_loop_2 ; NO - check for comm mode termination | |
| 631 | 183 comm_mode_selection_loop_2: |
| 634 | 184 btfsc ble_available ; BT available? |
| 631 | 185 bra comm_mode_selection_loop_3 ; YES - skip USB check check (required for very old OSTC sport) |
| 186 btfss vusb_in ; NO - USB plugged in? | |
| 187 bra comm_service_exit_nousb_delay ; NO - disconnected, check for vusb_in glitch | |
| 188 ;bra comm_mode_selection_loop_3 ; YES - check for exit button or continue looping | |
| 189 comm_mode_selection_loop_3: | |
| 190 btfsc switch_right ; right button pressed? | |
| 191 bra comm_service_exit ; YES - exit comm mode | |
| 192 btfsc trigger_full_second ; NO - did 1 second elapsed meanwhile? | |
| 193 bra comm_mode_selection_loop ; YES - loop with clocking down timeout counter | |
| 194 bra comm_mode_selection_loop_1 ; NO - loop without clocking down timeout counter | |
| 0 | 195 |
| 196 | |
| 197 ;----------------------------------------------------------------------------- | |
| 634 | 198 ; Check Service Mode Pass-Key and notify Service Mode on Success |
| 0 | 199 ; |
| 631 | 200 comm_service_mode_check: |
| 201 SERIAL_LC_SEND 0x4B ; request peer to send service key | |
| 202 | |
| 203 ; receive a 3 byte service key transmitted in big-endian, echo each byte | |
| 204 | |
| 205 clrf WREG ; clear WREG | |
| 206 | |
| 207 SERIAL_CC_RECEIVE lo ; receive 1st byte, store in lo | |
| 208 xorwf lo,W ; exclusive-or received byte into WREG | |
| 209 xorlw UPPER (comm_service_key) ; exclusive-or expected byte into WREG | |
| 210 SERIAL_CC_SEND lo ; echo 1st byte | |
| 0 | 211 |
| 631 | 212 SERIAL_CC_RECEIVE lo ; receive 2nd byte, store in lo |
| 213 xorwf lo,W ; exclusive-or received byte into WREG | |
| 214 xorlw HIGH (comm_service_key & 0xFFFF) ; exclusive-or expected byte into WREG | |
| 215 SERIAL_CC_SEND lo ; echo 2nd byte | |
| 216 | |
| 217 SERIAL_CC_RECEIVE lo ; receive 3rd byte, store in lo | |
| 218 xorwf lo,W ; exclusive-or received byte into WREG | |
| 219 xorlw LOW (comm_service_key & 0xFFFF) ; exclusive-or expected byte into WREG | |
| 220 SERIAL_CC_SEND lo ; echo 3rd byte | |
| 221 | |
| 222 ; check for correct service key | |
| 223 tstfsz WREG ; received expected service key? | |
| 224 bra comm_mode_selection_loop ; NO - back to mode selection loop | |
| 225 WIN_SMALL comm_status2_column, comm_status2_row ; YES - print service mode enabled message | |
| 634 | 226 FONT_COLOR_MEMO ; - set standard color |
| 631 | 227 STRCPY_TEXT_PRINT tUsbServiceMode ; - ... |
| 228 bsf comm_service_mode ; - enable service mode commands | |
| 229 bra comm_command_loop ; - enter command loop | |
| 0 | 230 |
| 623 | 231 |
| 0 | 232 ;----------------------------------------------------------------------------- |
| 634 | 233 ; Notify RX Timeout occurred |
| 234 ; | |
| 235 comm_command_timeout: | |
| 236 WIN_SMALL comm_status4_column, comm_status4_row ; select font and output position | |
| 237 FONT_COLOR_WARNING ; set warning color | |
| 238 STRCPY_PRINT "Data Rx Timeout" ; print failure message | |
| 239 FONT_COLOR_MEMO ; back to standard color | |
| 240 bra comm_drain_rx_queue ; continue with draining the RX queue | |
| 241 | |
| 242 | |
| 243 ;----------------------------------------------------------------------------- | |
| 244 ; Notify Error in Parameters | |
| 245 ; | |
| 246 comm_command_error: | |
| 247 WIN_SMALL comm_status4_column, comm_status4_row ; select font and output position | |
| 248 FONT_COLOR_WARNING ; set warning color | |
| 640 | 249 STRCPY_PRINT "Unknown Parameter" ; print failure message |
| 634 | 250 FONT_COLOR_MEMO ; back to standard color |
| 640 | 251 bra comm_service_exit ; abort |
| 634 | 252 ;bra comm_drain_rx_queue ; continue with draining the RX queue |
| 253 | |
| 254 | |
| 255 ;----------------------------------------------------------------------------- | |
| 256 ; Drain the RX Queue until next Timeout | |
| 257 ; | |
| 258 comm_drain_rx_queue: | |
| 259 bsf INTCON,GIE ; re-enable all interrupts | |
| 260 comm_drain_rx_queue_loop: | |
| 261 btfsc switch_right ; right button (abort) pressed? | |
| 262 bra comm_service_exit ; YES - exit comm mode | |
| 263 SERIAL_CC_RECEIVE WREG ; NO - (try to) receive one byte | |
| 264 btfss rs232_rx_timeout ; - got a byte? | |
| 265 bra comm_drain_rx_queue_loop ; YES - try to drain more bytes | |
| 266 bra comm_command_loop ; NO - re-enter command loop | |
| 267 | |
| 268 | |
| 269 ;----------------------------------------------------------------------------- | |
| 270 ; Debug Code - show Number of Bytes received | |
| 271 ; | |
| 272 IFDEF _comm_debug | |
| 273 comm_command_debug: | |
| 274 WIN_SMALL comm_status5_column, comm_status5_row ; select font and output position | |
| 275 FONT_COLOR_MEMO ; set standard color | |
| 276 STRCPY "last RX: " ; print label | |
| 277 output_9999 ; print number of bytes received (0-9999) | |
| 278 STRCAT_PRINT " Byte" ; finalize output | |
| 279 bra comm_command_loop ; re-enter command loop | |
| 280 ENDIF | |
| 281 | |
| 282 | |
| 283 ;----------------------------------------------------------------------------- | |
| 284 ; Notify Download Mode selected | |
| 623 | 285 ; |
| 631 | 286 comm_download_mode: |
| 287 SERIAL_LC_SEND 0xBB ; inform peer download mode will be started | |
| 0 | 288 |
| 634 | 289 WIN_SMALL comm_status2_column, comm_status2_row ; set position |
| 290 FONT_COLOR_MEMO ; set standard color | |
| 291 STRCPY_TEXT_PRINT tUsbDownloadMode ; print download mode enabled message | |
| 631 | 292 bcf comm_service_mode ; disable service mode commands |
| 634 | 293 ;bra comm_command_loop ; enter command loop |
| 631 | 294 |
| 0 | 295 |
| 296 ;----------------------------------------------------------------------------- | |
| 634 | 297 ; Command Loop: await, decode and execute Commands |
| 623 | 298 ; |
| 631 | 299 comm_command_loop: |
| 300 bsf INTCON,GIE ; re-enable all interrupts | |
| 634 | 301 |
| 302 ; restart command timeout | |
| 631 | 303 movlw timeout_service_mode ; get timeout value |
| 304 movwf comm_timeout_timer ; reload timeout timer | |
| 0 | 305 |
| 631 | 306 ; request peer to send a command |
| 307 movlw 0x4D ; default request code is 0x4D for download mode active | |
| 308 btfsc comm_service_mode ; service mode enabled? | |
| 309 movlw 0x4C ; YES - change request to 0x4C for service mode active | |
| 310 SERIAL_CC_SEND WREG ; send request | |
| 0 | 311 |
| 631 | 312 ; wait for peer to send a command |
| 313 comm_command_loop_wait: | |
| 314 SERIAL_CC_RECEIVE lo ; (try to) receive a command byte | |
| 315 btfss rs232_rx_timeout ; timeout? | |
| 316 bra comm_command_decode ; NO - decode and execute the command | |
| 317 btfsc comm_service_mode ; YES - service mode enabled? | |
| 318 btg LEDr ; YES - blink in service mode | |
| 634 | 319 btfsc ble_available ; - BT available? |
| 631 | 320 bra comm_command_loop_wait_1 ; YES - skip USB check (required for very old OSTC sport) |
| 321 btfss vusb_in ; NO - USB still plugged in? | |
| 322 bra comm_service_exit_nousb ; NO - disconnected -> exit comm mode | |
| 634 | 323 ;bra comm_command_loop_wait_1 ; YES - proceed |
| 324 | |
| 631 | 325 comm_command_loop_wait_1: |
| 326 btfsc switch_right ; right button (abort) pressed? | |
| 327 bra comm_service_exit ; YES - exit comm mode | |
| 328 btfss trigger_full_second ; NO - did 1 second elapsed meanwhile? | |
| 329 bra comm_command_loop_wait ; NO - loop | |
| 330 dcfsnz comm_timeout_timer,F ; YES - decrement the timeout timer, reached zero? | |
| 331 bra comm_service_exit ; YES - exit comm mode | |
| 332 bcf trigger_full_second ; NO - clear 'one second elapsed' flag | |
| 333 bra comm_command_loop_wait ; - loop | |
|
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New option to download "Compact Headers". Improved BLE support (OSTC 2 and OSTC 3+), updated OSTC interface documentation
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334 |
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New option to download "Compact Headers". Improved BLE support (OSTC 2 and OSTC 3+), updated OSTC interface documentation
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335 |
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New option to download "Compact Headers". Improved BLE support (OSTC 2 and OSTC 3+), updated OSTC interface documentation
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336 ;----------------------------------------------------------------------------- |
| 634 | 337 ; Macro for easier writing of Command Decoding Rules |
| 631 | 338 ; |
| 339 command_decode macro command_id,command_function | |
| 634 | 340 movf lo,W ; copy received command to WREG |
| 341 xorlw command_id ; exclusive-or with command ID | |
| 342 btfsc STATUS,Z ; received command = command ID ? | |
| 343 goto command_function ; YES - execute command | |
| 631 | 344 endm |
| 0 | 345 |
| 634 | 346 |
| 0 | 347 ;----------------------------------------------------------------------------- |
| 634 | 348 ; Decode and execute a Command |
| 631 | 349 ; |
| 350 comm_command_decode: | |
| 351 bcf LEDr ; switch off red led | |
| 80 | 352 |
| 631 | 353 ; decode and execute standard commands |
| 354 command_decode 0x6E,comm_show_text ; n show a text on the screen | |
| 355 command_decode 0x69,comm_identify ; i send ID: serial, firmware, and custom text | |
| 356 command_decode 0x6A,comm_hardware_descriptor ; j send ID: hardware descriptor byte | |
| 357 command_decode 0x60,comm_feature_and_hardware ; ' send ID: more detailed information | |
| 358 command_decode 0x6D,comm_send_headers_short ; m send all headers in compact format | |
| 359 command_decode 0x61,comm_send_headers_full ; a send all headers is full format | |
| 360 command_decode 0x66,comm_send_dive ; f send header and profile for one dive | |
| 361 command_decode 0x62,comm_set_time ; b set the real time clock | |
| 362 command_decode 0x63,comm_set_custom_text ; c write a new custom text | |
| 363 command_decode 0x72,comm_read_option ; r read an option value | |
| 364 command_decode 0x77,comm_write_option ; w write an option value (into RAM) | |
| 365 command_decode 0x78,comm_option_reset_all ; x reset all option values to their factory default | |
| 366 command_decode 0xFF,comm_service_exit ; exit comm mode | |
| 367 IFDEF _screendump | |
| 636 | 368 command_decode 0x6C,TFT_dump_screen_comm ; l dump the screen contents |
| 631 | 369 ENDIF |
| 370 | |
| 371 btfss comm_service_mode ; service mode enabled? | |
| 372 bra comm_command_loop ; NO - ignore unrecognized command, back to command loop | |
| 373 | |
| 374 ; decode and execute additional service mode commands | |
| 375 command_decode 0x23,comm_reset_battery_gauge ; # reset the battery gauge registers | |
| 376 command_decode 0x22,comm_erase_complete_logbook ; " reset all logbook pointers and the logbook | |
| 634 | 377 command_decode 0x20,comm_read_range ;' ' read a memory range from the external FLASH |
| 378 command_decode 0x40,comm_erase_single_4kb ; @ erase a single 4 kB block - Warning: no confirmation or built-in safety here... | |
| 379 command_decode 0x42,comm_erase_range_4kb ; B erase a range of 4 kB blocks - Warning: no confirmation or built-in safety here... | |
| 631 | 380 command_decode 0x30,comm_write_range_stream ; 0 write a stream of bytes starting at ext_flash_address:3 until timeout |
| 381 command_decode 0x31,comm_write_range_block ; 1 write a block of 256 bytes starting at ext_flash_address:3 | |
| 382 command_decode 0x50,comm_firmware_update ; P initiate firmware update | |
| 383 command_decode 0xC1,comm_cold_start ; start low-level bootloader | |
| 384 IFDEF testloop_avail | |
| 385 command_decode 0x74,testloop ; t start raw-data test loop | |
| 386 ENDIF | |
| 387 | |
| 388 bra comm_command_loop ; ignore unrecognized command, back to command loop | |
| 389 | |
| 80 | 390 |
| 391 ;----------------------------------------------------------------------------- | |
| 636 | 392 ; Screendump |
| 393 ; | |
| 394 IFDEF _screendump | |
| 395 TFT_dump_screen_comm: | |
| 396 call TFT_dump_screen ; dump the screen contents and set screen_dump_avail | |
| 397 ;bra comm_service_exit ; exit comm mode | |
| 398 ENDIF | |
| 399 | |
| 400 | |
| 401 ;----------------------------------------------------------------------------- | |
| 634 | 402 ; Exit Comm Mode |
| 631 | 403 ; |
| 404 comm_service_exit: | |
| 405 WIN_SMALL comm_status3_column, comm_status3_row ; print "Exited" message | |
| 634 | 406 FONT_COLOR_MEMO ; set standard color |
| 631 | 407 STRCPY_TEXT_PRINT tUsbExit ; ... |
| 408 bra comm_service_exit_common ; acknowledge exit command and restart | |
| 0 | 409 |
| 631 | 410 comm_service_exit_nousb_delay: |
| 411 WAITMS d'200' ; wait 200 ms | |
| 412 btfsc vusb_in ; USB sensed again? | |
| 413 bra comm_mode_selection_loop_3 ; YES - was just a glitch, continue | |
| 414 ;bra comm_service_exit_nousb ; NO - proceed exiting | |
| 0 | 415 |
| 631 | 416 comm_service_exit_nousb: |
| 417 WIN_SMALL comm_status3_column, comm_status3_row ; print "Port closed" message | |
| 634 | 418 FONT_COLOR_MEMO ; set standard color |
| 631 | 419 STRCPY_TEXT_PRINT tUsbClosed ; ... |
| 420 ;bra comm_service_exit_common ; proceed exiting | |
| 421 | |
| 422 comm_service_exit_common: | |
| 423 SERIAL_LC_SEND 0xFF ; acknowledge exit command | |
| 634 | 424 WAITS .1 ; wait 1 second to give the serial I/F time |
| 425 ; to send the 0xFF before it gets shut down | |
| 631 | 426 call disable_rs232 ; shut down comm port |
| 427 bcf LEDr ; switch off red LED | |
| 634 | 428 WAITS .1 ; wait 1 second for BT module supply to drain |
| 631 | 429 goto restart ; restart |
| 430 | |
| 0 | 431 |
| 432 ;----------------------------------------------------------------------------- | |
| 631 | 433 ; Set Real-Time-Clock |
| 0 | 434 ; |
| 631 | 435 comm_set_time: |
| 634 | 436 bcf INTCON,GIE ; disable all interrupts |
| 631 | 437 SERIAL_LC_SEND 0x62 ; acknowledge command |
| 634 | 438 SERIAL_RR_RECEIVE mpr,.6 ; (try to) receive 6 bytes: hour, minute, second, month, day, year |
| 439 bsf INTCON,GIE ; re-enable all interrupts | |
| 631 | 440 |
| 634 | 441 btfsc rs232_rx_timeout ; got all 6 bytes? |
| 442 bra comm_command_timeout ; NO - show rx timeout message and back to command loop | |
| 631 | 443 |
| 634 | 444 movff mpr+0,rtc_latched_hour ; map the received bytes onto the rtc_latched variables |
| 445 movff mpr+1,rtc_latched_mins ; ... | |
| 446 movff mpr+2,rtc_latched_secs ; ... | |
| 447 movff mpr+3,rtc_latched_month ; ... | |
| 448 movff mpr+4,rtc_latched_day ; ... | |
| 449 movff mpr+5,rtc_latched_year ; ... | |
| 631 | 450 call rtc_set_rtc ; write time and date to RTC module |
| 451 bra comm_command_loop ; done, back to command loop | |
| 452 | |
| 453 | |
| 454 ;----------------------------------------------------------------------------- | |
| 634 | 455 ; Write a 15 char Text to the OSTC Display |
| 631 | 456 ; |
| 457 comm_show_text: | |
| 634 | 458 ; set font and output position (needs to be done before SERIAL_RR_RECEIVE) |
| 631 | 459 WIN_SMALL comm_string_column, comm_string_row |
| 634 | 460 FONT_COLOR_MEMO ; set standard color |
| 631 | 461 |
| 634 | 462 bcf INTCON,GIE ; disable all interrupts |
| 631 | 463 SERIAL_LC_SEND 0x6E ; acknowledge command |
| 634 | 464 SERIAL_RR_RECEIVE buffer,.16 ; (try to) receive 16 chars into the string buffer |
| 465 bsf INTCON,GIE ; re-enable all interrupts | |
| 631 | 466 |
| 634 | 467 movlw .15 ; set maximum text length |
| 468 call TFT_buffer_trim_length ; fill or trim the text to correct length | |
| 469 PRINT ; print text to screen | |
| 470 bra comm_command_loop ; done, back to command loop | |
| 471 | |
| 472 | |
| 473 ;----------------------------------------------------------------------------- | |
| 474 ; Send Serial (2 bytes low:high), Firmware (major.minor) and Custom Text | |
| 475 ; | |
| 476 comm_identify: | |
| 477 SERIAL_LC_SEND 0x69 ; acknowledge command | |
| 478 | |
| 479 ; send OSTC serial number | |
| 480 call eeprom_serial_number_read ; read OSTC serial number | |
| 481 SERIAL_CC_SEND mpr+0 ; send serial number, low byte | |
| 482 SERIAL_CC_SEND mpr+1 ; send serial number, high byte | |
| 483 | |
| 484 ; send firmware version | |
| 485 SERIAL_LC_SEND fw_version_major ; send firmware version, major | |
| 486 SERIAL_LC_SEND fw_version_minor ; send firmware version, minor | |
| 487 | |
| 488 ; send custom text | |
| 489 SERIAL_RR_SEND opt_name,opt_name_length | |
| 631 | 490 |
| 491 bra comm_command_loop ; done, back to command loop | |
| 492 | |
| 0 | 493 |
| 494 ;----------------------------------------------------------------------------- | |
| 634 | 495 ; Send short Hardware Descriptor |
| 0 | 496 ; |
| 634 | 497 comm_hardware_descriptor: |
| 498 SERIAL_LC_SEND 0x6A ; acknowledge command | |
| 499 rcall comm_helper_hw_descriptor ; send hardware descriptor | |
| 631 | 500 bra comm_command_loop ; done, back to command loop |
| 0 | 501 |
| 623 | 502 |
|
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503 ;----------------------------------------------------------------------------- |
| 634 | 504 ; Helper Function for sending Hardware Descriptor |
|
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505 ; |
| 634 | 506 comm_helper_hw_descriptor: |
| 623 | 507 movf HW_descriptor,W ; get hardware descriptor |
| 508 bcf WREG,6 ; clear bit 6 for reason of compatibility with 3rd party software | |
| 509 bcf WREG,7 ; clear bit 7 for reason of compatibility with 3rd party software | |
| 631 | 510 SERIAL_CC_SEND WREG ; send modified hardware descriptor |
| 634 | 511 return |
| 623 | 512 |
| 0 | 513 |
| 631 | 514 ;----------------------------------------------------------------------------- |
| 634 | 515 ; Send detailed Hardware Descriptor |
| 631 | 516 ; |
|
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517 comm_feature_and_hardware: |
| 631 | 518 SERIAL_LC_SEND 0x60 ; acknowledge command |
| 623 | 519 |
| 634 | 520 SERIAL_LC_SEND 0x00 ; send hardware high byte (fixed zero) |
| 521 rcall comm_helper_hw_descriptor ; send hardware descriptor | |
| 522 SERIAL_LC_SEND 0x00 ; send feature high byte (fixed zero) | |
| 523 SERIAL_LC_SEND 0x00 ; send feature low byte (fixed zero) | |
| 631 | 524 SERIAL_LC_SEND 0x00 ; send model descriptor byte (fixed zero) |
| 623 | 525 |
| 631 | 526 bra comm_command_loop ; done, back to command loop |
| 623 | 527 |
| 604 | 528 |
| 529 ;----------------------------------------------------------------------------- | |
| 634 | 530 ; Helper Function to retrieve a Header, hide the internal Profile Version, |
| 531 ; and to check if the Header is empty | |
| 532 ; | |
| 533 comm_helper_read_header: | |
| 534 ; copy header from FLASH into memory | |
| 535 call log_header_addr_by_index ; compute header start address from index in WREG | |
| 536 FLASH_RR_READ header_buffer,.256 ; copy from FLASH to header buffer | |
| 0 | 537 |
| 634 | 538 ; hide internal profile version ID from the outside |
| 539 movff header_buffer+index_profile_version,WREG ; get byte at the profile version position | |
| 540 infsnz WREG,W ; was the byte = 0xFF (i.e. empty header) ? | |
| 541 return ; YES - leave it as it is (WREG now 0) | |
| 542 decf WREG,W ; NO - restore the profile version | |
| 543 andlw b'00111111' ; - keep only the external part | |
| 544 movff WREG,header_buffer+index_profile_version ; - write back the cleaned byte | |
| 545 return ; - done (WREG now ext. profile version) | |
| 582 | 546 |
| 0 | 547 |
| 548 ;----------------------------------------------------------------------------- | |
| 634 | 549 ; Send Dive Headers in short or full Format |
| 550 ; | |
| 551 comm_send_headers_short: | |
| 552 SERIAL_LC_SEND 0x6D ; acknowledge command | |
| 553 bcf aux_flag ; send short headers | |
| 554 bra comm_send_headers_common ; continue with common part | |
| 0 | 555 |
| 631 | 556 comm_send_headers_full: |
| 557 SERIAL_LC_SEND 0x61 ; acknowledge command | |
| 634 | 558 bsf aux_flag ; send full headers |
| 559 ;bra comm_send_headers_common ; continue with common part | |
| 631 | 560 |
| 634 | 561 comm_send_headers_common: |
| 562 clrf ex ; start with dive having index 0 | |
| 563 | |
| 564 comm_send_headers_loop: | |
| 565 movf ex,W ; get index into WREG | |
| 566 rcall comm_helper_read_header ; get header into header_buffer | |
| 567 | |
| 568 btfss aux_flag ; shall send full headers? | |
| 569 bra comm_send_headers_loop_short; NO - send short headers | |
| 570 ;bra comm_send_headers_loop_full ; YES - send full headers | |
| 631 | 571 |
| 634 | 572 comm_send_headers_loop_full: |
| 573 SERIAL_RR_SEND header_buffer,.256 ; send the full header | |
| 574 bra comm_send_headers_loop_com ; continue with common part | |
| 575 | |
| 576 comm_send_headers_loop_short: | |
| 577 ; send the fractions of the short header (16 byte/dive) | |
| 578 SERIAL_RR_SEND header_buffer+index_profile_byte_count,.13 | |
| 579 SERIAL_RR_SEND header_buffer+index_total_dives, .2 | |
| 580 SERIAL_CC_SEND header_buffer+index_profile_version ; .1 | |
| 581 ;bra comm_send_headers_loop_com ; continue with common part | |
| 582 | |
| 583 comm_send_headers_loop_com: | |
| 584 incfsz ex ; increment index, wrap-around. i.e. all dives done ? | |
| 585 bra comm_send_headers_loop ; NO - loop | |
| 586 bra comm_command_loop ; YES - done, back to command loop | |
| 631 | 587 |
| 588 | |
| 589 ;----------------------------------------------------------------------------- | |
| 634 | 590 ; Send one full Dive |
| 631 | 591 ; |
| 592 comm_send_dive: | |
| 593 SERIAL_LC_SEND 0x66 ; acknowledge command | |
| 594 | |
| 634 | 595 SERIAL_CC_RECEIVE WREG ; (try to) receive the dive index |
| 631 | 596 btfsc rs232_rx_timeout ; got dive index? |
| 634 | 597 bra comm_command_timeout ; NO - show rx timeout message and back to command loop |
| 631 | 598 |
| 634 | 599 rcall comm_helper_read_header ; read header into header_buffer |
| 600 bz comm_send_dive_exit ; abort if header contains no dive | |
| 631 | 601 |
| 634 | 602 ; get the start and end address of the profile data |
| 631 | 603 MOVTT header_buffer+index_profile_start_address,ext_flash_address |
| 604 MOVTT header_buffer+index_profile_end_address, ext_flash_end_pointer | |
| 634 | 605 |
| 606 ; header start code sequence present? | |
| 607 bcf aux_flag ; default to no profile available | |
| 631 | 608 |
| 634 | 609 FLASH_CW_READ_0x20 ; get the 1st byte of profile data |
| 610 xorlw 0xFA ; 1st byte = header start byte? | |
| 611 bnz comm_send_dive_modify_header; NO - no profile data available | |
| 612 | |
| 613 FLASH_CW_READ_0x20 ; get the 2nd byte of profile data | |
| 614 xorlw 0xFA ; 2nd byte = header start byte? | |
| 615 bnz comm_send_dive_modify_header; NO - no profile data available | |
| 616 | |
| 617 EXT_FLASH_INC_ADDRESS_0x20 .2 ; skip the 3rd and 4th byte (dive number) | |
| 631 | 618 |
| 634 | 619 FLASH_CW_READ_0x20 ; get the 5th byte of profile data |
| 620 xorlw 0xFA ; 5th byte = header start byte? | |
| 621 bnz comm_send_dive_modify_header; NO - no profile data available | |
| 622 | |
| 623 FLASH_CW_READ_0x20 ; get the 6th byte of profile data | |
| 624 xorlw 0xFA ; 6th byte = header start byte? | |
| 625 bnz comm_send_dive_modify_header; NO - no profile data available | |
| 631 | 626 |
| 634 | 627 bsf aux_flag ; memorize profile data available |
| 628 bra comm_send_dive_header ; continue with sending header | |
| 631 | 629 |
| 634 | 630 comm_send_dive_modify_header: |
| 631 ; set profile data start and end address to 0x000000 | |
| 632 CLRR header_buffer+index_profile_start_address,.6 | |
| 633 | |
| 634 ; set hi = 0x00, lo = 0x08 | |
| 635 MOVLI 0x0008,mpr | |
| 604 | 636 |
| 634 | 637 ; set byte count to 0x000008 |
| 638 movff lo,header_buffer+index_profile_byte_count+0 ; = 0x08 | |
| 639 movff hi,header_buffer+index_profile_byte_count+1 ; = 0x00 | |
| 640 movff hi,header_buffer+index_profile_byte_count+2 ; = 0x00 | |
| 641 | |
| 642 comm_send_dive_header: | |
| 643 SERIAL_RR_SEND header_buffer,.256 ; send the header from the buffer | |
| 644 | |
| 645 btfss aux_flag ; profile data available? | |
| 646 bra comm_send_dive_empty_profile; NO - send empty profile | |
| 647 | |
| 648 comm_send_dive_profile: | |
| 649 FLASH_CW_READ_0x20 ; read one byte and increment address with rollover at 0x200000 | |
| 650 SERIAL_CC_SEND WREG ; transmit the byte | |
| 651 | |
| 652 ; 24 bit compare of current address with end address | |
| 653 movf ext_flash_end_pointer+0,W ; check low byte of addresses | |
| 654 cpfseq ext_flash_address+0 ; current address = end address ? | |
| 655 bra comm_send_dive_profile ; NO - more bytes to do, loop | |
| 631 | 656 |
| 634 | 657 movf ext_flash_end_pointer+1,W ; check high byte of addresses |
| 658 cpfseq ext_flash_address+1 ; current address = end address ? | |
| 659 bra comm_send_dive_profile ; NO - more bytes to do, loop | |
| 660 | |
| 661 movf ext_flash_end_pointer+2,W ; check upper byte of addresses | |
| 662 cpfseq ext_flash_address+2 ; current address = end address ? | |
| 663 bra comm_send_dive_profile ; NO - more bytes to do, loop | |
| 664 | |
| 665 comm_send_dive_exit: | |
| 666 bra comm_command_loop ; done, back to command loop | |
| 667 | |
| 668 comm_send_dive_empty_profile: | |
| 669 | |
| 670 ; send profile length | |
| 671 SERIAL_RR_SEND header_buffer+index_profile_byte_count,.3 | |
| 672 | |
| 673 SERIAL_LC_SEND 0xFD ; send end-of-profile sequence, byte 1 | |
| 674 SERIAL_LC_SEND 0xFD ; send end-of-profile sequence, byte 2 | |
| 675 | |
| 676 bra comm_command_loop ; done, back to command loop | |
| 631 | 677 |
| 604 | 678 |
| 631 | 679 ;----------------------------------------------------------------------------- |
| 680 ; Reset all Options to Factory Default | |
| 681 ; | |
| 682 comm_option_reset_all: | |
| 683 SERIAL_LC_SEND 0x78 ; acknowledge command | |
| 684 call option_reset_all ; reset all options to factory default | |
| 685 bra comm_command_loop ; done, back to command loop | |
| 686 | |
| 687 | |
| 688 ;----------------------------------------------------------------------------- | |
| 634 | 689 ; Set Custom Text (opt_name_length ASCII chars) |
| 631 | 690 ; |
| 691 comm_set_custom_text: | |
| 634 | 692 CLRR opt_name,opt_name_length ; clear old custom text |
| 631 | 693 |
| 634 | 694 bcf INTCON,GIE ; disable all interrupts |
| 695 SERIAL_LC_SEND 0x63 ; acknowledge command | |
| 696 SERIAL_RR_RECEIVE opt_name,opt_name_length ; receive new custom text | |
| 697 bsf INTCON,GIE ; re-enable all interrupts | |
| 698 bsf option_changed ; flag that EEPROM needs to be updated | |
| 631 | 699 |
| 634 | 700 bra comm_command_loop ; done, back to command loop |
| 631 | 701 |
| 702 | |
| 703 ;----------------------------------------------------------------------------- | |
| 704 ; Reset Battery Gauge | |
| 705 ; | |
| 706 comm_reset_battery_gauge: | |
| 707 ; SERIAL_LC_SEND 0x23 ; acknowledge command (not done) | |
| 708 call reset_battery_gauge_and_lt2942 ; reset battery registers and battery gauge chip | |
| 709 bra comm_command_loop ; done, back to command loop | |
| 710 | |
| 604 | 711 |
| 631 | 712 ;----------------------------------------------------------------------------- |
| 713 ; Erase complete Logbook | |
| 714 ; | |
| 715 comm_erase_complete_logbook: | |
| 634 | 716 ; SERIAL_LC_SEND 0x22 ; acknowledge command (not done) |
| 717 call erase_complete_logbook ; erase complete logbook | |
| 718 bra comm_command_loop ; done, back to command loop | |
| 631 | 719 |
| 720 | |
| 721 ;----------------------------------------------------------------------------- | |
| 722 ; Start Bootloader (aka perform cold start) | |
| 723 ; | |
| 724 comm_cold_start: | |
| 725 ; SERIAL_LC_SEND 0xC1 ; acknowledge command (not done) | |
| 726 | |
| 634 | 727 WIN_SMALL comm_status3_column, comm_status3_row ; set position |
| 728 FONT_COLOR_MEMO ; set standard color | |
| 729 STRCPY_TEXT_PRINT tUsbLlBld ; print "Low-level Bootloader" message | |
| 631 | 730 |
| 731 WIN_TOP comm_warning_row ; set row for icon | |
| 732 WIN_LEFT comm_warning_column ; set column for icon | |
| 733 TFT_WRITE_PROM_IMAGE_BY_LABEL dive_warning2_block ; show a warning icon | |
| 734 | |
| 735 bsf LEDr ; switch on red LED | |
| 736 | |
| 737 call eeprom_deco_data_write ; update deco data in EEPROM | |
| 738 call eeprom_battery_gauge_write ; update battery gauge in EEPROM | |
| 634 | 739 btfsc option_changed ; do the options need to be stored to EEPROM ? |
| 631 | 740 call option_check_and_store_all ; YES - check and store all option values in EEPROM |
| 741 | |
| 634 | 742 ; WAITS .1 ; wait 1 second to give the serial I/F time |
| 743 ; ; to send the ackn before it gets shut down | |
| 744 | |
| 745 goto 0x1FF0C ; jump into the bootloader code for cold start | |
| 631 | 746 |
| 747 | |
| 748 ;----------------------------------------------------------------------------- | |
| 634 | 749 ; Send Firmware to Bootloader (aka initiate Firmware Update) |
| 631 | 750 ; |
| 751 comm_firmware_update: | |
| 634 | 752 bcf INTCON,GIE ; disable all interrupts |
| 631 | 753 SERIAL_LC_SEND 0x50 ; acknowledge command |
| 634 | 754 SERIAL_RR_RECEIVE buffer,.5 ; (try to) receive 5 byte checksum |
| 755 bsf INTCON,GIE ; re-enable all interrupts | |
| 631 | 756 |
| 757 btfsc rs232_rx_timeout ; got all 5 bytes? | |
| 758 bra comm_send_firmware_abort ; NO - abort | |
| 582 | 759 |
| 631 | 760 ; check the checksum |
| 761 movlw 0x55 ; initialize checksum check-byte | |
| 762 movwf hi ; store in hi | |
| 634 | 763 INIT_BUFFER ; go back to start of the buffer |
| 631 | 764 movlw .5 ; 5 bytes to process |
| 765 movwf lo ; initialize loop counter | |
| 766 comm_firmware_update_loop: | |
| 767 movf POSTINC2,W ; get a checksum byte | |
| 768 xorwf hi,F ; xor checksum byte with check-byte | |
| 769 rlncf hi,F ; rotate check-byte | |
| 770 decfsz lo,F ; decrement loop counter, done? | |
| 771 bra comm_firmware_update_loop ; NO - loop | |
| 772 tstfsz hi ; YES - check-byte zero? | |
| 773 bra comm_send_firmware_failed ; NO - checksum not valid | |
| 774 | |
| 775 ; checksum is valid | |
| 776 SERIAL_LC_SEND 0x4C ; inform checksum is ok | |
| 634 | 777 WAITS .1 ; wait 1 second to give the serial I/F time |
| 778 ; to send the 0x4C before it gets shut down | |
| 779 ;bra comm_firmware_update_exec ; execute update | |
| 631 | 780 |
| 634 | 781 global comm_firmware_update_exec |
| 782 comm_firmware_update_exec: | |
| 783 call eeprom_memorize_fw_checksum ; memorize fw checksum in EEPROM | |
| 631 | 784 call eeprom_deco_data_write ; update deco data in EEPROM |
| 785 call eeprom_battery_gauge_write ; update battery gauge in EEPROM | |
| 634 | 786 btfsc option_changed ; do the options need to be stored to EEPROM ? |
| 631 | 787 call option_check_and_store_all ; YES - check and store all option values in EEPROM |
| 634 | 788 goto 0x1FDF0 ; jump into the bootloader code for firmware update |
| 631 | 789 |
| 790 | |
| 791 comm_send_firmware_failed: | |
| 792 ; select font and output position | |
| 793 WIN_SMALL comm_string_column, comm_string_row | |
| 634 | 794 FONT_COLOR_WARNING ; set warning color |
| 631 | 795 STRCPY_PRINT "Checksum failed" ; print failure message (fill to 15 chars) |
| 796 ;bra comm_send_firmware_abort ; abort | |
| 797 | |
| 798 comm_send_firmware_abort: | |
| 634 | 799 SERIAL_LC_SEND 0xFF ; send checksum failure message |
| 800 bra comm_command_loop ; done, back to command loop | |
| 801 | |
| 802 | |
| 803 ;----------------------------------------------------------------------------- | |
| 804 ; Erase a single Block or a Range of Blocks | |
| 805 ; | |
| 806 comm_erase_single_4kb: | |
| 807 bcf INTCON,GIE ; disable all interrupts | |
| 808 bcf aux_flag ; do a single block only | |
| 809 ; SERIAL_LC_SEND 0x40 ; acknowledge command (not done) | |
| 810 bra comm_erase_get_start ; continue with getting start address | |
| 811 | |
| 812 comm_erase_range_4kb: | |
| 813 bcf INTCON,GIE ; disable all interrupts | |
| 814 bsf aux_flag ; do a range of blocks | |
| 815 SERIAL_LC_SEND 0x42 ; acknowledge command | |
| 816 ;bra comm_erase_get_start ; continue with getting start address | |
| 817 | |
| 818 comm_erase_get_start: | |
| 819 rcall comm_get_start_address ; (try to) get the start address | |
| 820 btfsc rs232_rx_timeout ; got start address? | |
| 821 bra comm_command_timeout ; NO - show rx timeout message and back to command loop | |
| 822 btfsc aux_flag ; YES - shall erase a range of blocks? | |
| 823 bra comm_erase_get_count ; YES - get the block count | |
| 824 movlw .1 ; NO - set 1 block to do | |
| 825 movwf WREG ; - ... | |
| 826 bra comm_erase_common ; - start the erasing | |
| 827 | |
| 828 comm_erase_get_count: | |
| 829 SERIAL_CC_RECEIVE WREG ; (try to) receive the block count | |
| 830 btfsc rs232_rx_timeout ; got block count? | |
| 831 bra comm_command_timeout ; NO - show rx timeout message and back to command loop | |
| 832 tstfsz WREG ; YES - block count = 0 ? | |
| 833 bra comm_erase_common ; NO - start the erasing | |
| 834 bra comm_command_error ; YES - invalid, show error message and back to command loop | |
| 835 | |
| 836 comm_erase_common: | |
| 837 bsf INTCON,GIE ; re-enable all interrupts | |
| 838 call ext_flash_erase_range ; erase #WREG 4kB blocks starting at ext_flash_address | |
| 631 | 839 bra comm_command_loop ; done, back to command loop |
| 840 | |
| 841 | |
| 842 ;----------------------------------------------------------------------------- | |
| 634 | 843 ; Write a Stream of Bytes to the FLASH beginning at given Start Address, finish on Timeout |
| 631 | 844 ; |
| 634 | 845 comm_write_range_stream: |
| 846 bcf INTCON,GIE ; disable all interrupts | |
| 847 SERIAL_LC_SEND 0x30 ; acknowledge command | |
| 631 | 848 |
| 634 | 849 rcall comm_get_start_address ; (try to) get the start address |
| 850 btfsc rs232_rx_timeout ; got a complete start address? | |
| 851 bra comm_command_timeout ; NO - show rx timeout message and back to command loop | |
| 852 | |
| 853 IFDEF _comm_debug | |
| 854 CLRI mpr ; clear mpr to be used as a 16 bit counter | |
| 855 ENDIF | |
| 631 | 856 |
| 634 | 857 comm_write_range_stream_loop: |
| 858 SERIAL_CC_RECEIVE WREG ; (try to) receive one byte | |
| 859 btfsc rs232_rx_timeout ; got a byte? | |
| 860 IFNDEF _comm_debug | |
| 861 bra comm_command_loop ; NO - timeout, done, back to command loop | |
| 862 ELSE | |
| 863 bra comm_command_debug ; NO - timeout, done, show number of bytes received | |
| 864 ENDIF | |
| 865 ; bsf NCTS ; YES - hold Bluetooth chip (requires PC/Android/iOS side to use flow control...) | |
| 866 call ext_flash_write_byte_0x40_nowait; - write byte to FLASH, increase address with rollover at 0x400000, does not wait on FLASH | |
| 867 ; bcf NCTS ; - release Bluetooth chip (requires PC/Android/iOS side to use flow control...) | |
| 868 IFDEF _comm_debug | |
| 869 INCI mpr ; increment counter | |
| 870 ENDIF | |
| 871 bra comm_write_range_stream_loop ; - loop | |
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|
872 |
| 631 | 873 |
| 874 ;----------------------------------------------------------------------------- | |
| 634 | 875 ; Write a Block of 256 Bytes to the FLASH beginning at given Start Address (low byte needs to be zero) |
| 631 | 876 ; |
| 634 | 877 comm_write_range_block: |
| 878 bcf INTCON,GIE ; disable all interrupts | |
| 879 SERIAL_LC_SEND 0x31 ; acknowledge command | |
| 880 | |
| 881 rcall comm_get_start_address ; (try to) get the start address | |
| 882 btfsc rs232_rx_timeout ; got a complete start address? | |
| 883 bra comm_command_timeout ; NO - show rx timeout message and back to command loop | |
| 631 | 884 |
| 634 | 885 tstfsz ext_flash_address+0 ; low byte of start address = 0 ? |
| 886 bra comm_command_error ; NO - show error message and back to command loop | |
| 887 | |
| 888 SERIAL_RR_RECEIVE buffer,.256 ; (try to) receive 256 byte and buffer them in memory | |
| 889 bsf INTCON,GIE ; re-enable all interrupts | |
| 890 btfsc rs232_rx_timeout ; got all 256 bytes? | |
| 891 bra comm_command_timeout ; NO - show rx timeout message and back to command loop | |
| 892 | |
| 893 FLASH_RR_WRITE buffer,.256 ; copy from memory to FLASH | |
| 894 bra comm_command_loop ; done, back to command loop | |
| 631 | 895 |
| 896 | |
| 897 ;----------------------------------------------------------------------------- | |
| 634 | 898 ; Read a Memory Range from FLASH given by Start Address and Byte Count |
| 631 | 899 ; |
| 900 comm_read_range: | |
| 634 | 901 bcf INTCON,GIE ; disable all interrupts |
| 631 | 902 SERIAL_LC_SEND 0x20 ; acknowledge command |
| 903 | |
| 904 ; receive start address | |
| 905 rcall comm_get_start_address ; (try to) get the start address | |
| 906 btfsc rs232_rx_timeout ; got a complete start address? | |
| 634 | 907 bra comm_command_timeout ; NO - show rx timeout message and back to command loop |
| 908 | |
| 909 ; receive byte count | |
| 910 rcall comm_get_length ; (try to) get the byte count | |
| 911 btfsc rs232_rx_timeout ; got a complete byte count? | |
| 912 bra comm_command_timeout ; NO - show rx timeout message and back to command loop | |
| 631 | 913 |
| 634 | 914 bsf INTCON,GIE ; re-enable all interrupts |
| 915 | |
| 916 ; decrement byte counter by 1 so that all bytes will be done when the counter wraps around to 0xFFFFFF | |
| 917 EXT_FLASH_DEC_LENGTH | |
| 918 | |
| 919 ; check validity of the byte count | |
| 920 movlw 0x40 ; now the byte count is allowed to be 0x3FFFFF at max | |
| 921 cpfslt ext_flash_length_counter+2 ; length count < 0x40(0000) ? | |
| 922 bra comm_command_error ; NO - show error message and back to command loop | |
| 631 | 923 |
| 924 ; stream bytes from FLASH | |
| 634 | 925 call ext_flash_read_block_start ; read first byte from FLASH into WREG |
| 926 bra comm_read_range_loop_start ; jump into transmit loop | |
| 631 | 927 comm_read_range_loop: |
| 928 call ext_flash_read_block_0x40 ; read next byte into WREG | |
| 929 comm_read_range_loop_start: | |
| 930 SERIAL_CC_SEND WREG ; transmit byte | |
| 634 | 931 EXT_FLASH_DEC_LENGTH ; decrement byte counter |
| 631 | 932 btfss ext_flash_length_counter+2,7; under-run? |
| 933 bra comm_read_range_loop ; NO - continue loop | |
| 934 call ext_flash_read_block_stop ; YES - end reading from FLASH | |
| 935 bra comm_command_loop ; - done, back to command loop | |
| 936 | |
| 937 | |
| 938 ;----------------------------------------------------------------------------- | |
| 939 ; Receive a 3 byte FLASH address (on serial: big-endian, in memory: little-endian) | |
| 940 ; | |
| 941 comm_get_start_address: | |
| 634 | 942 SERIAL_RR_RECEIVE ext_flash_address,.3 ; (try to) receive 3 bytes |
| 943 btfsc rs232_rx_timeout ; timeout? | |
| 944 return ; YES - abort, no usable address available | |
| 631 | 945 |
| 946 ; remap address from network byte format (big endian) to host format (little-endian) | |
| 947 movf ext_flash_address+0,W | |
| 948 movff ext_flash_address+2,ext_flash_address+0 | |
| 949 movwf ext_flash_address+2 | |
| 950 | |
| 634 | 951 return ; done, complete start address available |
| 631 | 952 |
| 953 | |
| 954 ;----------------------------------------------------------------------------- | |
| 955 ; Receive a 3 byte length (on serial: big-endian, in memory: little-endian) | |
| 956 ; | |
| 957 comm_get_length: | |
| 634 | 958 SERIAL_RR_RECEIVE ext_flash_length_counter,.3 ; receive 3 bytes |
| 959 btfsc rs232_rx_timeout ; timeout? | |
| 960 return ; YES - abort, no usable address available | |
| 631 | 961 |
| 962 ; remap address from network byte format (big endian) to host format (little-endian) | |
| 963 movf ext_flash_length_counter+0,W | |
| 964 movff ext_flash_length_counter+2,ext_flash_length_counter+0 | |
| 965 movwf ext_flash_length_counter+2 | |
| 966 | |
| 634 | 967 return ; done, complete start address available |
| 631 | 968 |
| 969 | |
| 970 ;----------------------------------------------------------------------------- | |
| 971 ; Read an Option Value | |
| 972 ; | |
| 973 comm_read_option: | |
| 974 SERIAL_LC_SEND 0x72 ; acknowledge command | |
| 975 SERIAL_CC_RECEIVE lo ; (try to) receive option index | |
| 976 btfsc rs232_rx_timeout ; received option index? | |
| 634 | 977 bra comm_command_loop ; NO - show rx timeout message and back to command loop |
| 631 | 978 |
| 979 ; option index 0x00 - 0x0F: unused | |
| 980 movlw 0x0F ; last option index of the unused range | |
| 981 cpfsgt lo ; received option index > end of unused range ? | |
| 634 | 982 bra comm_command_error ; NO - show error message and back to command loop |
| 631 | 983 |
| 984 ; option index 0x10 - 0x19: gases & diluents | |
| 985 movlw 0x19 ; last option index for gases / diluents | |
| 986 cpfsgt lo ; received option index > end of gas/dil range ? | |
| 987 bra comm_read_gas_dil ; NO - process gas/dil read | |
| 988 | |
| 989 ; option index 0x1A - 0x1E: setpoints | |
| 990 movlw 0x1E ; last option index for setpoint | |
| 991 cpfsgt lo ; received option index > end of setpoint range ? | |
| 992 bra comm_read_sp ; NO - process setpoint read | |
| 993 | |
| 994 ; option index = 0x49 - special handling button polarity | |
| 995 movf lo,W ; copy option index to WREG | |
| 996 iorlw 0x49 ; received option index for button polarity ? | |
| 997 bz comm_read_button_polarity ; YES - process button polarity read | |
| 998 | |
| 634 | 999 ; option index 0x1F - 0xF9: options managed by option table |
| 1000 movlw 0xF9 ; last option index for options | |
| 1001 cpfsgt lo ; received option index > end of options range? | |
| 1002 bra comm_read_option_index ; YES - process option value read via index | |
| 631 | 1003 |
| 634 | 1004 bra comm_command_error ; NO - illegal option index |
| 631 | 1005 |
| 1006 | |
| 1007 ;----------------------------------------------------------------------------- | |
| 1008 ; Write an Option Value | |
| 1009 ; | |
| 1010 comm_write_option: | |
| 634 | 1011 bcf INTCON,GIE ; disable all interrupts |
| 631 | 1012 SERIAL_LC_SEND 0x77 ; acknowledge command |
| 1013 SERIAL_CC_RECEIVE lo ; (try to) receive option index | |
| 1014 btfsc rs232_rx_timeout ; got a byte? | |
| 634 | 1015 bra comm_command_timeout ; NO - show rx timeout message and back to command loop |
| 631 | 1016 |
| 1017 ; option index 0x00 - 0x0F: unused | |
| 1018 movlw 0x0F ; last option index of the unused range | |
| 1019 cpfsgt lo ; received option index > end of unused range ? | |
| 1020 bra comm_write_unused ; NO - but need to consume the option value | |
| 1021 | |
| 1022 ; option index 0x10 - 0x19: gases & diluents | |
| 1023 movlw 0x19 ; last option index for gases / diluents | |
| 1024 cpfsgt lo ; received option index > end of gas/dil range ? | |
| 1025 bra comm_write_gas_dil ; NO - process gas/dil write | |
| 1026 | |
| 1027 ; option index 0x1A - 0x1E: setpoints | |
| 1028 movlw 0x1E ; last option index for setpoint | |
| 1029 cpfsgt lo ; received option index > end of setpoint range ? | |
| 1030 bra comm_write_sp ; NO - process setpoint write | |
| 1031 | |
| 1032 ; option index = 0x49 - special handling button polarity | |
| 1033 movf lo,W ; copy option index to WREG | |
| 1034 iorlw 0x49 ; received option index for button polarity ? | |
| 1035 bz comm_write_button_polarity ; YES - process button polarity write | |
| 1036 | |
| 634 | 1037 ; option index 0x1F - 0xF9: options managed by option table |
| 1038 movlw 0xF9 ; last option index for options | |
| 1039 cpfsgt lo ; received option index > end of options range? | |
| 1040 bra comm_write_option_index ; YES - process option value write via index | |
| 1041 | |
| 1042 bra comm_write_unused ; NO - illegal option index | |
| 1043 | |
| 1044 | |
| 1045 ;----------------------------------------------------------------------------- | |
| 1046 ; Read an Option Value via its Serial Index | |
| 1047 ; | |
| 1048 comm_read_option_index: | |
| 1049 call option_read_serial ; try to find the option and read its value | |
| 1050 tstfsz WREG ; option found? | |
| 1051 bra comm_read_setting_fail ; NO - send dummy value | |
| 1052 SERIAL_CC_SEND hi ; YES - send read value | |
| 1053 bra comm_command_loop ; - done, back to command loop | |
| 1054 | |
| 1055 comm_read_setting_fail: | |
| 1056 SERIAL_LC_SEND 0x00 ; send a dummy value | |
| 1057 bra comm_command_error ; back to command loop with failure message | |
| 1058 | |
| 1059 | |
| 1060 ;----------------------------------------------------------------------------- | |
| 1061 ; Write an Option Value via its Serial Index | |
| 1062 ; | |
| 1063 comm_write_option_index: | |
| 631 | 1064 SERIAL_CC_RECEIVE hi ; (try to) receive option value |
| 1065 btfsc rs232_rx_timeout ; got a byte? | |
| 1066 bra comm_command_timeout ; NO - abort | |
| 1067 call option_write_serial ; YES - try to find the option and write new value | |
| 1068 tstfsz WREG ; - option found and new value valid ? | |
| 1069 bra comm_command_error ; NO - back to command loop with failure message | |
| 1070 bra comm_command_loop ; YES - done, back to command loop | |
| 1071 | |
| 1072 comm_write_unused: | |
| 1073 SERIAL_CC_RECEIVE WREG ; consume unused option value | |
| 1074 bra comm_command_error ; done, back to command loop | |
| 1075 | |
| 1076 | |
| 1077 ;----------------------------------------------------------------------------- | |
| 634 | 1078 ; Read Button Polarity |
| 631 | 1079 ; |
| 1080 comm_read_button_polarity: | |
| 1081 SERIAL_CC_SEND button_polarity ; send current button polarity setting | |
| 1082 bra comm_command_loop ; done, back to command loop | |
| 1083 | |
| 1084 | |
| 1085 ;----------------------------------------------------------------------------- | |
| 634 | 1086 ; Write Button Polarity |
| 631 | 1087 ; |
| 1088 comm_write_button_polarity: | |
| 1089 SERIAL_CC_RECEIVE hi ; (try to) receive configuration value | |
| 1090 btfsc rs232_rx_timeout ; got configuration value? | |
| 634 | 1091 bra comm_command_timeout ; NO - show rx timeout message and back to command loop |
| 631 | 1092 movff hi,button_polarity ; YES - store button polarity in memory and EEPROM |
| 1093 EEPROM_CC_WRITE button_polarity,eeprom_button_polarity | |
| 1094 bra comm_command_loop ; - done, back to command loop | |
| 1095 | |
| 1096 | |
| 1097 ;----------------------------------------------------------------------------- | |
| 634 | 1098 ; Read a Gas/Diluent Dataset |
| 631 | 1099 ; |
| 634 | 1100 ; memory map is as follows: |
| 604 | 1101 ; ------------------------- |
| 1102 ; opt_gas_O2_ratio res 5 ; O2 ratios of OC/bailout gases | |
| 1103 ; opt_dil_O2_ratio res 5 ; O2 ratios of diluents | |
| 1104 ; opt_gas_He_ratio res 5 ; He ratios of OC/bailout gases | |
| 1105 ; opt_dil_He_ratio res 5 ; He ratios of diluents | |
| 1106 ; opt_gas_type res 5 ; OC/bailout gas type | |
| 1107 ; opt_dil_type res 5 ; dil type | |
| 1108 ; opt_gas_change res 5 ; change depths for OC/Bailout gases | |
| 1109 ; opt_dil_change res 5 ; change depths for diluents | |
| 631 | 1110 ; |
| 604 | 1111 comm_read_gas_dil: |
| 1112 lfsr FSR0,opt_gas_O2_ratio ; load base address of gas data arrays | |
| 631 | 1113 movlw 0x10 ; compute gas index from option index... |
| 1114 subwf lo,W ; ...making WREG point to O2 ratio | |
| 1115 SERIAL_CC_SEND PLUSW0 ; send O2 ratio | |
| 1116 addlw .10 ; increment WREG by 10 to point to He ratio | |
| 1117 SERIAL_CC_SEND PLUSW0 ; send He ratio | |
| 1118 addlw .10 ; increment WREG by 10 to point to gas/diluent type | |
| 1119 SERIAL_CC_SEND PLUSW0 ; send gas/diluent type | |
| 1120 addlw .10 ; increment WREG by 10 to point to change depth | |
| 1121 SERIAL_CC_SEND PLUSW0 ; send change depth | |
| 1122 bra comm_command_loop ; done, back to command loop | |
| 110 | 1123 |
|
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1124 |
| 631 | 1125 ; ---------------------------------------------------------------------------- |
| 634 | 1126 ; Write a Gas/Diluent Dataset |
| 631 | 1127 ; |
| 634 | 1128 ; memory map is as follows: |
| 604 | 1129 ; ------------------------- |
| 1130 ; opt_gas_O2_ratio res 5 ; O2 ratios of OC/bailout gases | |
| 1131 ; opt_dil_O2_ratio res 5 ; O2 ratios of diluents | |
| 1132 ; opt_gas_He_ratio res 5 ; He ratios of OC/bailout gases | |
| 1133 ; opt_dil_He_ratio res 5 ; He ratios of diluents | |
| 1134 ; opt_gas_type res 5 ; OC/bailout gas type | |
| 1135 ; opt_dil_type res 5 ; dil type | |
| 1136 ; opt_gas_change res 5 ; change depths for OC/Bailout gases | |
| 1137 ; opt_dil_change res 5 ; change depths for diluents | |
| 631 | 1138 ; |
| 1139 comm_write_gas_dil: | |
| 634 | 1140 SERIAL_RR_RECEIVE hi,.4 ; (try to) receive 4 option values |
| 631 | 1141 btfsc rs232_rx_timeout ; got all 4 bytes? |
| 634 | 1142 bra comm_command_timeout ; NO - show rx timeout message and back to command loop |
| 80 | 1143 |
| 631 | 1144 ; check validity of O2 value |
| 1145 movlw gaslist_min_o2-.1 ; get min value minus 1 | |
| 1146 cpfsgt hi ; received O2% >= min ? | |
| 634 | 1147 bra comm_command_error ; NO - show error message and back to command loop |
| 631 | 1148 movlw gaslist_max_o2+.1 ; get max value plus 1 |
| 1149 cpfslt hi ; received O2% <= max ? | |
| 634 | 1150 bra comm_command_error ; NO - show error message and back to command loop |
| 631 | 1151 |
| 1152 ; check validity of He value | |
| 1153 movlw gaslist_max_He+.1 ; get max value plus 1 | |
| 1154 cpfslt up ; received O2% <= max ? | |
| 634 | 1155 bra comm_command_error ; NO - show error message and back to command loop |
| 631 | 1156 |
| 634 | 1157 IFDEF _helium |
| 631 | 1158 ; check O2% + He% <= 100% |
| 634 | 1159 movlw .100 ; load WREG with 100% |
| 631 | 1160 bsf STATUS,C ; set carry = clear borrow |
| 634 | 1161 subfwb hi,W ; subtract O2% from WREG |
| 1162 subfwb up,W ; subtract He% from WREG | |
| 631 | 1163 btfss STATUS,C ; result negative? |
| 634 | 1164 bra comm_command_error ; YES - show error message and back to command loop |
| 1165 ENDIF ; _helium | |
| 631 | 1166 |
| 1167 ; check validity of type | |
| 1168 movlw 0x14 ; last option index for gases | |
| 1169 cpfsgt lo ; received option index > end of gas range ? | |
| 636 | 1170 bra comm_write_check_gas ; NO - check type for gases |
| 1171 ;bra comm_write_check_dil ; YES - check type for diluents | |
| 1172 | |
| 1173 comm_write_check_dil: | |
| 1174 ; check validity of type for a diluent | |
| 1175 movlw num_dil_types ; load number of diluent types | |
| 1176 bra comm_write_check_com ; continue with common part | |
| 631 | 1177 |
| 634 | 1178 comm_write_check_gas: |
| 631 | 1179 ; check validity of type for a gas |
| 1180 movlw num_gas_types ; load number of gas types | |
| 634 | 1181 ;bra comm_write_check_com ; continue with common part |
| 631 | 1182 |
| 634 | 1183 comm_write_check_com: |
| 631 | 1184 cpfslt ex ; received type < max ? |
| 634 | 1185 bra comm_command_error ; NO - show error message and back to command loop |
| 631 | 1186 |
| 1187 ; check validity of change depth | |
| 1188 movlw gaslist_max_change_depth+.1 ; get max value plus 1 | |
| 1189 cpfslt ul ; received change depth <= max ? | |
| 634 | 1190 bra comm_command_error ; NO - show error message and back to command loop |
| 631 | 1191 |
| 1192 ; all values ok, can finally be written | |
| 604 | 1193 lfsr FSR0,opt_gas_O2_ratio ; load base address of gas data arrays |
| 631 | 1194 movlw 0x10 ; compute gas index from option index... |
| 1195 subwf lo,W ; ...making WREG point to O2 ratio | |
| 634 | 1196 |
| 631 | 1197 movff hi,PLUSW0 ; set O2 ratio |
| 1198 addlw .10 ; increment WREG by 10 to point to He ratio | |
| 1199 movff up,PLUSW0 ; set He ratio | |
| 1200 addlw .10 ; increment WREG by 10 to point to gas/dil type | |
| 1201 movff ex,PLUSW0 ; set gas/dil type | |
| 1202 addlw .10 ; increment WREG by 10 to point to change depth | |
| 1203 movff ul,PLUSW0 ; set change depth | |
| 1204 | |
| 634 | 1205 bsf option_changed ; flag that EEPROM needs to be updated |
| 631 | 1206 bra comm_command_loop ; done, back to command loop |
| 80 | 1207 |
| 604 | 1208 |
| 631 | 1209 ;----------------------------------------------------------------------------- |
| 634 | 1210 ; Read a Setpoint Dataset |
| 631 | 1211 ; |
| 634 | 1212 ; memory map is as follows: |
| 604 | 1213 ; ------------------------- |
| 623 | 1214 ; opt_setpoint_cbar res 5 ; setpoints in cbar |
| 1215 ; opt_setpoint_change res 5 ; change depth for the setpoints in meter | |
| 631 | 1216 ; |
| 1217 comm_read_sp: | |
| 623 | 1218 lfsr FSR0,opt_setpoint_cbar ; load base address of setpoint cbar values |
| 631 | 1219 movlw 0x1A ; compute SP index from option index... |
| 1220 subwf lo,W ; ...making WREG point to cbar value | |
| 1221 SERIAL_CC_SEND PLUSW0 ; send setpoint cbar value | |
| 1222 addlw .5 ; increment WREG by 5 to point to change depth | |
| 1223 SERIAL_CC_SEND PLUSW0 ; send change depth | |
| 1224 bra comm_command_loop ; done, back to command loop | |
| 1225 | |
| 1226 | |
| 1227 ;----------------------------------------------------------------------------- | |
| 634 | 1228 ; Write a Setpoint Dataset |
| 631 | 1229 ; |
| 634 | 1230 ; memory map is as follows: |
| 631 | 1231 ; ------------------------- |
| 1232 ; opt_setpoint_cbar res 5 ; setpoints in cbar | |
| 1233 ; opt_setpoint_change res 5 ; change depths in meter | |
| 1234 ; | |
| 1235 comm_write_sp: | |
| 634 | 1236 SERIAL_RR_RECEIVE hi,.2 ; (try to) receive 2 option values |
| 631 | 1237 btfsc rs232_rx_timeout ; got both bytes? |
| 634 | 1238 bra comm_command_timeout ; NO - show rx timeout message and back to command loop |
| 631 | 1239 |
| 1240 ; check validity of setpoint value | |
| 1241 movlw gaslist_sp_min-.1 ; get min value minus 1 | |
| 1242 cpfsgt hi ; received O2% >= min ? | |
| 634 | 1243 bra comm_command_error ; NO - show error message and back to command loop |
| 631 | 1244 movlw gaslist_sp_max+.1 ; get max value plus 1 |
| 1245 cpfslt hi ; received O2% <= max ? | |
| 634 | 1246 bra comm_command_error ; NO - show error message and back to command loop |
| 631 | 1247 |
| 1248 ; check validity of change depth | |
| 634 | 1249 movlw gaslist_sp_max_depth+.1 ; get max value plus 1 |
| 631 | 1250 cpfslt up ; received change depth <= max ? |
| 634 | 1251 bra comm_command_error ; NO - show error message and back to command loop |
| 631 | 1252 |
| 1253 lfsr FSR0,opt_setpoint_cbar ; load base address of setpoint cbar values | |
| 1254 movlw 0x1A ; compute SP index from option index... | |
| 1255 subwf lo,W ; ...making WREG point to cbar value | |
| 634 | 1256 |
| 1257 bnz comm_write_sp_exec ; selected SP is 2...5 -> execute write | |
| 1258 tstfsz up ; SP1: change depth = 0 ? | |
| 1259 bra comm_command_error ; NO - show error message and back to command loop | |
| 1260 | |
| 1261 comm_write_sp_exec: | |
| 631 | 1262 movff hi,PLUSW0 ; set cbar value |
| 1263 addlw .5 ; increment WREG by 5 to point to change depth | |
| 1264 movff up,PLUSW0 ; set change depth | |
| 1265 | |
| 634 | 1266 bsf option_changed ; flag that EEPROM needs to be updated |
| 631 | 1267 bra comm_command_loop ; done, back to command loop |
| 80 | 1268 |
|
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|
1269 ;----------------------------------------------------------------------------- |
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|
1270 |
| 582 | 1271 END |