Mercurial > public > hwos_code
annotate src/eeprom_rs232.asm @ 593:c31e0292bc92
doc update (clarification/correction of max. depth reading header data)
| author | heinrichsweikamp |
|---|---|
| date | Sat, 28 Apr 2018 11:26:08 +0200 |
| parents | b455b31ce022 |
| children | ca4556fb60b9 |
| rev | line source |
|---|---|
| 0 | 1 ;============================================================================= |
| 2 ; | |
| 582 | 3 ; File eeprom_rs232.asm V2.98 |
| 0 | 4 ; |
| 5 ; Internal EEPROM, RS232 | |
| 6 ; | |
| 7 ; Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved. | |
| 8 ;============================================================================= | |
| 9 ; HISTORY | |
| 10 ; 2011-08-06 : [mH] moving from OSTC code | |
| 11 | |
| 275 | 12 #include "hwos.inc" |
| 0 | 13 #include "wait.inc" |
| 582 | 14 #include "shared_definitions.h" |
| 15 #include "rtc.inc" | |
| 16 | |
| 17 write_int_eeprom macro eeprom_address | |
| 18 movlw eeprom_address | |
| 19 call write_int_eeprom_1 | |
| 20 endm | |
| 21 | |
| 22 read_int_eeprom macro eeprom_address | |
| 23 movlw eeprom_address | |
| 24 call read_int_eeprom_1 | |
| 25 endm | |
| 26 | |
| 27 ;============================================================================= | |
| 28 eeprom code 0xF00000+0x10 | |
| 29 ; Skip SERIAL number. Should not be overwritten. | |
| 30 | |
| 31 global eeprom_serial_save | |
| 32 global eeprom_opt_backup | |
| 33 | |
| 34 eeprom_serial_save res 2 | |
| 35 eeprom_opt_backup res 0x3E | |
| 0 | 36 |
| 37 ;============================================================================= | |
| 582 | 38 basic CODE |
| 0 | 39 |
| 582 | 40 global write_int_eeprom_1 |
| 0 | 41 write_int_eeprom_1: |
| 42 movwf EEADR | |
| 582 | 43 ; bra write_eeprom ; writes and "returns" after write |
| 44 | |
| 45 ;============================================================================= | |
| 46 ; writes into internal eeprom | |
| 47 ; Input: EEADRH:EEADR = EEPROM address. | |
| 48 ; EEDATA = byte to write. | |
| 49 ; Trashed: WREG. | |
| 50 global write_eeprom | |
| 51 write_eeprom: | |
| 52 bcf EECON1,EEPGD | |
| 53 bcf EECON1,CFGS | |
| 54 bsf EECON1,WREN | |
| 55 | |
| 56 bcf INTCON,GIE ; Disable interrupts for the next 5 instructions | |
| 57 movlw 0x55 | |
| 58 movwf EECON2 | |
| 59 movlw 0xAA | |
| 60 movwf EECON2 | |
| 61 bsf EECON1,WR | |
| 62 bsf INTCON,GIE ; ...but the flag for the ISR routines were still set, so they will interrupt now! | |
| 63 | |
| 64 write_eep2: | |
| 65 btfsc EECON1,WR | |
| 66 bra write_eep2 ; wait about 4ms... | |
| 67 bcf EECON1,WREN | |
| 68 return | |
| 69 | |
| 70 | |
| 0 | 71 |
| 72 global read_int_eeprom_1 | |
| 73 read_int_eeprom_1: | |
| 74 movwf EEADR | |
| 582 | 75 ; bra read_eeprom ; reads and "returns" after write |
| 0 | 76 |
| 77 ;============================================================================= | |
| 78 ; reads from internal eeprom | |
| 79 ; Input: EEADRH:EEADR = EEPROM address. | |
| 80 ; Output: EEDATA. | |
| 81 ; Trashed: NONE. | |
| 82 global read_eeprom | |
| 582 | 83 read_eeprom: |
| 0 | 84 bcf EECON1,EEPGD |
| 85 bcf EECON1,CFGS | |
| 86 bsf EECON1,RD | |
| 87 return | |
| 88 | |
| 582 | 89 global disable_ir_s8 |
| 90 disable_ir_s8: | |
| 91 banksel TXSTA2 | |
| 92 clrf TXSTA2 | |
| 93 clrf RCSTA2 | |
| 94 banksel common | |
| 95 bcf ir_power ; IR off | |
| 96 bcf mcp_power ; Power-down instrumentation amp | |
| 97 bsf s8_npower ; Power-down S8 HUD | |
| 0 | 98 return |
| 99 | |
| 100 | |
| 582 | 101 global enable_ir_s8 |
|
187
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CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
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changeset
|
102 enable_ir_s8: |
| 0 | 103 ;init serial port2 (TRISG2) |
| 582 | 104 btfsc analog_o2_input |
| 105 bra enable_s8 ; Start S8 | |
| 113 | 106 |
| 582 | 107 banksel BAUDCON2 |
| 108 movlw b'00100000' ; BRG16=0 ; inverted for IR | |
| 113 | 109 movwf BAUDCON2 |
| 582 | 110 movlw b'00100000' ; BRGH=0, SYNC=0 |
| 111 movwf TXSTA2 | |
| 112 movlw .102 ; SPBRGH:SPBRG = .102 : 2403 BAUD @ 16MHz | |
| 113 movwf SPBRG2 | |
| 114 movlw b'10010000' | |
| 115 movwf RCSTA2 | |
| 116 banksel common | |
| 117 bsf ir_power ; Power-up IR | |
| 118 btfss ir_power | |
| 119 bra $-6 | |
| 120 return | |
| 0 | 121 |
| 113 | 122 enable_s8: |
| 582 | 123 ; Check for Digital/Analog |
| 124 bsf s8_npower ; Power-down S8 HUD | |
| 125 WAITMS d'1' ; Very short delay | |
| 126 bsf mcp_power ; Power-up instrumentation amp | |
| 127 btfss mcp_power | |
| 128 bra $-6 | |
| 129 banksel TXSTA2 | |
| 130 clrf TXSTA2 | |
| 131 clrf RCSTA2 | |
| 132 banksel common | |
| 113 | 133 |
| 582 | 134 ; It may be digital, check for voltage when isolator is powered |
| 135 bcf s8_npower ; Power S8 HUD | |
| 136 WAITMS d'1' ; Very short delay | |
| 113 | 137 |
| 582 | 138 btfsc PORTG,2 ; RX2=1? |
| 139 bra enable_s8_2 ; Yes, digital | |
| 140 WAITMS d'30' | |
| 141 btfsc PORTG,2 ; RX2=1? | |
| 142 bra enable_s8_2 ; Yes, digital | |
| 143 | |
| 144 ; Not found, set to analog (fail-safe) | |
| 113 | 145 |
| 146 enable_s8_analog: | |
| 582 | 147 ; S8 Analog |
| 148 bsf s8_npower ; Power-down S8 HUD | |
| 149 bcf s8_digital ; Clear flag | |
| 150 return | |
| 113 | 151 |
| 582 | 152 enable_s8_2: ; S8 Digital |
| 153 banksel BAUDCON2 | |
| 154 movlw b'00000000' ; BRG16=0 ; normal for S8 | |
| 113 | 155 movwf BAUDCON2 |
| 582 | 156 movlw b'00100000' ; BRGH=0, SYNC=0 |
| 157 movwf TXSTA2 | |
| 158 movlw .25 ; SPBRGH:SPBRG = .25 : 9615 BAUD @ 16MHz | |
| 159 movwf SPBRG2 | |
| 160 movlw b'10010000' | |
| 161 movwf RCSTA2 | |
| 162 banksel common | |
| 163 bsf s8_digital ; Set flag | |
| 164 return | |
| 113 | 165 |
| 0 | 166 ;============================================================================= |
| 582 | 167 |
| 0 | 168 global enable_rs232 |
| 169 enable_rs232: | |
| 582 | 170 call speed_normal ; 16MHz |
| 0 | 171 enable_rs232_2: |
| 582 | 172 movlw T2CON_NORMAL |
| 173 cpfseq T2CON | |
| 174 bra enable_rs232_2 ; Wait until speed is normal | |
| 175 bcf PORTE,0 ; Start comms | |
| 0 | 176 ;init serial port1 (TRISC6/7) |
| 582 | 177 movlw b'00100100' ; BRGH=1, SYNC=0 |
| 178 movwf TXSTA1 | |
| 179 movlw b'10010000' | |
| 180 movwf RCSTA1 | |
| 0 | 181 return |
| 182 | |
| 582 | 183 |
| 0 | 184 global disable_rs232 |
| 185 disable_rs232: | |
| 186 clrf RCSTA1 | |
| 582 | 187 clrf TXSTA1 ; UART disable |
| 188 bcf PORTC,6 ; TX hard to GND | |
| 189 bsf PORTE,0 ; Stop comms | |
| 0 | 190 return |
| 191 | |
| 582 | 192 |
| 0 | 193 global rs232_wait_tx |
| 194 rs232_wait_tx: | |
| 582 | 195 btfss TXSTA1,TRMT ; RS232 Busy? |
| 196 bra rs232_wait_tx ; yes, wait... | |
| 197 | |
| 198 btfss ble_available ; ble available? | |
| 199 return ; No, done. | |
| 200 | |
| 201 btfsc NRTS ; Wait for Bluetooth module | |
| 202 bra rs232_wait_tx ; yes, wait... | |
| 203 return ; Done. | |
|
344
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CHANGE: GF and aGF high range increased to 45-110%
heinrichsweikamp
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276
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changeset
|
204 |
| 0 | 205 |
| 582 | 206 global rs232_wait_tx2 |
| 113 | 207 rs232_wait_tx2: |
| 582 | 208 banksel TXSTA2 |
| 209 | 209 rs232_wait_tx2_1: |
| 582 | 210 btfss TXSTA2,TRMT ; RS232 Busy? |
| 211 bra rs232_wait_tx2_1 ; yes, wait... | |
| 212 banksel common | |
| 213 return ; Done. | |
| 113 | 214 |
| 0 | 215 global rs232_get_byte |
| 216 rs232_get_byte: | |
| 582 | 217 bcf rs232_receive_overflow ; clear flag |
| 218 movlw .10 | |
| 219 movwf uart1_temp | |
| 220 clrf uart2_temp | |
| 221 clrf uart3_temp | |
| 0 | 222 rs232_get_byte2: |
| 582 | 223 btfsc PIR1,RCIF ; data arrived? |
| 224 return ; Yes | |
| 225 decfsz uart3_temp,F | |
| 378 | 226 bra rs232_get_byte2 |
| 582 | 227 decfsz uart2_temp,F |
| 228 bra rs232_get_byte2 | |
| 229 decfsz uart1_temp,F | |
| 0 | 230 bra rs232_get_byte2 |
| 582 | 231 ; timeout occurred (about 400ms) |
| 232 bsf rs232_receive_overflow ; set flag | |
| 378 | 233 rs232_get_byte3: |
| 582 | 234 bcf RCSTA1,CREN ; Clear receiver status |
| 0 | 235 bsf RCSTA1,CREN |
| 582 | 236 return ; and return anyway |
| 237 | |
| 238 ;============================================================================= | |
| 239 | |
| 240 global do_logoffset_common_write | |
| 241 do_logoffset_common_write: | |
| 242 ; TODO: limit [lo:hi] to 9999 ? may arrive here as >= 10000 because of +10 increment option | |
| 243 ; SIMPLER WAY: return without writing to eeprom if hi == 0x27 -> 0x2700 = 9984, this is within | |
| 244 ; the save range for a +10 increment, shall do it... | |
| 245 ; mH | |
| 246 | |
| 247 movff lo,EEDATA | |
| 248 write_int_eeprom 0x0D | |
| 249 movff hi,EEDATA | |
| 250 write_int_eeprom 0x0E | |
| 251 return | |
| 252 | |
| 253 global do_logoffset_common_read | |
| 254 do_logoffset_common_read: | |
| 255 clrf EEADRH | |
| 256 read_int_eeprom 0x0D | |
| 257 movff EEDATA,lo | |
| 258 read_int_eeprom 0x0E | |
| 259 movff EEDATA,hi ; Existing logbook offset into lo:hi | |
| 260 return | |
| 261 | |
| 262 | |
| 263 global update_battery_registers | |
| 264 update_battery_registers: | |
| 265 ; save battery_gauge:6 into EEPROM 0x07-0x0C | |
| 266 clrf EEADRH | |
| 267 movff battery_gauge+0,EEDATA | |
| 268 write_int_eeprom 0x07 | |
| 269 movff battery_gauge+1,EEDATA | |
| 270 write_int_eeprom 0x08 | |
| 271 movff battery_gauge+2,EEDATA | |
| 272 write_int_eeprom 0x09 | |
| 273 movff battery_gauge+3,EEDATA | |
| 274 write_int_eeprom 0x0A | |
| 275 movff battery_gauge+4,EEDATA | |
| 276 write_int_eeprom 0x0B | |
| 277 movff battery_gauge+5,EEDATA | |
| 278 write_int_eeprom 0x0C | |
| 279 movff battery_type,EEDATA ; =0:1.5V, =1:3,6V Saft, =2:LiIon 3,7V/0.8Ah, =3:LiIon 3,7V/3.1Ah, =4: LiIon 3,7V/2.3Ah | |
| 280 write_int_eeprom 0x0F | |
| 281 return | |
| 282 | |
| 283 | |
| 284 global vault_decodata_into_eeprom | |
| 285 vault_decodata_into_eeprom: | |
| 286 ; Vault in EEPROM 512...1023 | |
| 287 ; Write 0xAA at 512 to indicate valid data in vault | |
| 288 ; Store last time/date | |
| 289 ; Store 0x700 to 0x780 (pres_tissue_N2 and pres_tissue_He) | |
| 290 movlw HIGH .512 ; =2 | |
| 291 movwf EEADRH | |
| 292 movlw 0xAA | |
| 293 movwf EEDATA | |
| 294 write_int_eeprom .0 | |
| 295 ; Store date/time | |
| 296 movff year,EEDATA | |
| 297 write_int_eeprom .1 | |
| 298 movff month,EEDATA | |
| 299 write_int_eeprom .2 | |
| 300 movff day,EEDATA | |
| 301 write_int_eeprom .3 | |
| 302 movff hours,EEDATA | |
| 303 write_int_eeprom .4 | |
| 304 movff mins,EEDATA | |
| 305 write_int_eeprom .5 | |
| 306 movff secs,EEDATA | |
| 307 write_int_eeprom .6 | |
| 308 | |
| 309 movff int_O_CNS_fraction+0,EEDATA | |
| 310 write_int_eeprom .7 | |
| 311 movff int_O_CNS_fraction+1,EEDATA | |
| 312 write_int_eeprom .8 | |
| 313 movff int_O_desaturation_time+0,EEDATA | |
| 314 write_int_eeprom .9 | |
| 315 movff int_O_desaturation_time+1,EEDATA | |
| 316 write_int_eeprom .10 | |
| 317 movff surface_interval+0,EEDATA | |
| 318 write_int_eeprom .11 | |
| 319 movff surface_interval+1,EEDATA | |
| 320 write_int_eeprom .12 | |
| 321 movff int_O_gradient_factor+0,EEDATA ; value limited to 255, only lower byte in use for value | |
| 322 write_int_eeprom .13 | |
| 323 movff int_O_nofly_time+0,EEDATA | |
| 324 write_int_eeprom .14 | |
| 325 movff int_O_nofly_time+1,EEDATA | |
| 326 write_int_eeprom .15 | |
| 0 | 327 |
| 582 | 328 ; Tissue data from 16 to 144 |
| 329 movlw .16 | |
| 330 movwf EEADR | |
| 331 movlw .128 | |
| 332 movwf lo | |
| 333 lfsr FSR1,0x700 ; pres_tissue_N2+0, 32*4Byte Float = 128Bytes | |
| 334 vault_decodata_into_eeprom2: | |
| 335 movff POSTINC1,EEDATA | |
| 336 call write_eeprom ; EEDATA into EEPROM@EEADR | |
| 337 incf EEADR,F | |
| 338 decfsz lo,F ; All done? | |
| 339 bra vault_decodata_into_eeprom2 ; No | |
| 340 clrf EEADRH | |
| 341 return | |
| 342 | |
| 343 global restore_decodata_from_eeprom | |
| 344 restore_decodata_from_eeprom: | |
| 345 movlw LOW .512 ; =0 | |
| 346 movwf EEADR | |
| 347 movlw HIGH .512 ; =2 | |
| 348 movwf EEADRH | |
| 349 | |
| 350 ; Restore date/time | |
| 351 read_int_eeprom .1 | |
| 352 movff EEDATA,year | |
| 353 read_int_eeprom .2 | |
| 354 movff EEDATA,month | |
| 355 read_int_eeprom .3 | |
| 356 movff EEDATA,day | |
| 357 read_int_eeprom .4 | |
| 358 movff EEDATA,hours | |
| 359 read_int_eeprom .5 | |
| 360 movff EEDATA,mins | |
| 361 read_int_eeprom .6 | |
| 362 movff EEDATA,secs | |
| 363 call rtc_set_rtc | |
| 364 | |
| 365 read_int_eeprom .7 | |
| 366 movff EEDATA,int_O_CNS_fraction+0 | |
| 367 read_int_eeprom .8 | |
| 368 movff EEDATA,int_O_CNS_fraction+1 | |
| 369 read_int_eeprom .9 | |
| 370 movff EEDATA,int_O_desaturation_time+0 | |
| 371 read_int_eeprom .10 | |
| 372 movff EEDATA,int_O_desaturation_time+1 | |
| 373 read_int_eeprom .11 | |
| 374 movff EEDATA,surface_interval+0 | |
| 375 read_int_eeprom .12 | |
| 376 movff EEDATA,surface_interval+1 | |
| 377 read_int_eeprom .13 | |
| 378 movff EEDATA,int_O_gradient_factor+0 | |
| 379 read_int_eeprom .14 | |
| 380 movff EEDATA,int_O_nofly_time+0 | |
| 381 read_int_eeprom .15 | |
| 382 movff EEDATA,int_O_nofly_time+1 | |
| 383 | |
| 384 ; Tissue data from 16 to 144 | |
| 385 movlw .16 | |
| 386 movwf EEADR | |
| 387 movlw .128 | |
| 388 movwf lo | |
| 389 lfsr FSR1,0x700 ; pres_tissue_N2+0, 32*4Byte Float = 128Bytes | |
| 390 restore_decodata_from_eeprom2: | |
| 391 call read_eeprom ; EEPROM@EEADR into EEDATA | |
| 392 movff EEDATA,POSTINC1 | |
| 393 incf EEADR,F | |
| 394 decfsz lo,F ; All done? | |
| 395 bra restore_decodata_from_eeprom2 ; No | |
| 396 clrf EEADRH | |
| 397 return | |
| 398 | |
| 399 | |
| 400 global reset_battery_internal_only | |
| 401 reset_battery_internal_only: | |
| 402 clrf EEADRH | |
| 403 clrf EEDATA ; Delete to zero | |
| 404 write_int_eeprom 0x07 | |
| 405 write_int_eeprom 0x08 | |
| 406 write_int_eeprom 0x09 | |
| 407 write_int_eeprom 0x0A | |
| 408 write_int_eeprom 0x0B | |
| 409 write_int_eeprom 0x0C | |
| 410 banksel battery_gauge+0 | |
| 411 clrf battery_gauge+0 | |
| 412 clrf battery_gauge+1 | |
| 413 clrf battery_gauge+2 | |
| 414 clrf battery_gauge+3 | |
| 415 clrf battery_gauge+4 | |
| 416 clrf battery_gauge+5 | |
| 417 banksel common | |
| 418 movlw .100 | |
| 419 movwf batt_percent | |
| 420 return | |
| 421 | |
| 422 | |
| 423 global eeprom_reset_logbook_pointers | |
| 424 eeprom_reset_logbook_pointers: | |
| 425 clrf EEADRH ; Make sure to select EEPROM bank 0 | |
| 426 clrf EEDATA | |
| 427 write_int_eeprom .4 | |
| 428 write_int_eeprom .5 | |
| 429 write_int_eeprom .6 | |
| 430 write_int_eeprom .2 ; Also, delete total dive counter | |
| 431 write_int_eeprom .3 | |
| 432 write_int_eeprom .16 | |
| 433 write_int_eeprom .17 ; And the backup counter, too | |
| 434 return | |
| 435 | |
| 436 END |