Mercurial > public > hwos_code
annotate src/tft.asm @ 644:1e695355dfc4
Merge
| author | heinrichsweikamp |
|---|---|
| date | Mon, 24 May 2021 18:41:51 +0200 |
| parents | 8c1f1f334275 |
| children | 070528a88715 |
| rev | line source |
|---|---|
| 0 | 1 ;============================================================================= |
| 2 ; | |
| 634 | 3 ; File tft.asm combined next generation V3.09.4n |
| 0 | 4 ; |
| 623 | 5 ; low-level Display Outputs |
| 0 | 6 ; |
| 7 ; Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved. | |
| 8 ;============================================================================= | |
| 9 ; HISTORY | |
| 10 ; 2011-05-24 : [jDG] Cleanups from initial Matthias code. | |
| 11 | |
| 275 | 12 #include "hwos.inc" |
| 0 | 13 #include "wait.inc" |
| 14 #include "varargs.inc" | |
| 15 #include "tft_outputs.inc" | |
| 16 #include "eeprom_rs232.inc" | |
| 17 | |
| 634 | 18 ;----------------------------------------------------------------------------- |
| 0 | 19 ; Basic bit-level macros |
| 20 | |
| 582 | 21 RD_H macro |
| 22 bsf tft_rd,0 | |
| 23 endm | |
| 0 | 24 |
| 582 | 25 RD_L macro |
| 26 bcf tft_rd,0 | |
| 27 endm | |
| 0 | 28 |
| 582 | 29 RS_H macro |
| 30 bsf tft_rs,0 | |
| 31 endm | |
| 0 | 32 |
| 582 | 33 RS_L macro |
| 34 bcf tft_rs,0 | |
| 35 endm | |
| 0 | 36 |
| 582 | 37 NCS_H macro |
| 38 bsf tft_cs,0 | |
| 39 endm | |
| 0 | 40 |
| 582 | 41 NCS_L macro |
| 42 bcf tft_cs,0 | |
| 43 endm | |
| 0 | 44 |
| 582 | 45 WR_H macro |
| 46 bsf tft_nwr,0 | |
| 47 endm | |
| 0 | 48 |
| 582 | 49 WR_L macro |
| 50 bcf tft_nwr,0 | |
| 51 endm | |
| 0 | 52 |
| 634 | 53 ;----------------------------------------------------------------------------- |
| 582 | 54 ; Byte-level macros |
| 55 | |
| 0 | 56 Index_out macro low_b |
| 57 movlw low_b | |
| 58 rcall TFT_CmdWrite | |
| 59 endm | |
| 60 | |
| 61 Parameter_out macro high_b, low_b | |
| 62 movlw high_b | |
| 604 | 63 movwf PORTA ; upper |
| 0 | 64 movlw low_b |
| 65 rcall TFT_DataWrite | |
| 66 endm | |
| 67 | |
| 634 | 68 ;============================================================================= |
| 604 | 69 tft CODE |
| 634 | 70 ;============================================================================= |
| 582 | 71 |
| 72 global TFT_ClearScreen | |
| 0 | 73 TFT_ClearScreen: |
| 628 | 74 btfsc screen_type2 ; screen type 2? |
| 623 | 75 bra TFT_ClearScreen_display2; YES |
| 628 | 76 btfsc screen_type3 ; screen type 3? |
| 77 bra TFT_ClearScreen_display3; YES | |
| 623 | 78 |
| 604 | 79 Index_out 0x50 ; window horizontal start address |
| 582 | 80 Parameter_out 0x00, 0x00 ; 0-239 |
| 604 | 81 Index_out 0x51 ; window horizontal end address |
| 582 | 82 Parameter_out 0x00, 0xEF ; 0-239 |
| 604 | 83 Index_out 0x52 ; window vertical start address |
| 582 | 84 Parameter_out 0x00, 0x00 ; 0-319 |
| 604 | 85 Index_out 0x53 ; window vertical end address |
| 582 | 86 Parameter_out 0x01, 0x3F ; 0-319 |
| 604 | 87 Index_out 0x20 ; frame memory horizontal address |
| 582 | 88 Parameter_out 0x00, 0x00 ; 0-239 |
| 604 | 89 Index_out 0x21 ; frame memory vertical address |
| 582 | 90 Parameter_out 0x01, 0x3F ; 0-319 |
| 0 | 91 |
| 604 | 92 Index_out 0x22 ; frame memory data write start |
| 0 | 93 |
| 604 | 94 RD_H ; not read |
| 95 RS_H ; data | |
| 96 NCS_L ; not CS | |
| 97 clrf PORTH ; data lower | |
| 0 | 98 |
| 99 movlw d'10' | |
| 100 movwf tft_temp3 | |
| 101 TFT_ClearScreen2: | |
| 102 movlw d'30' | |
| 103 movwf tft_temp2 | |
| 104 TFT_ClearScreen3: | |
| 604 | 105 clrf tft_temp1 ; 30*10*256=76800 pixels -> clear complete 240*320 |
| 582 | 106 bcf INTCON,GIE |
| 0 | 107 TFT_ClearScreen4: |
| 108 WR_L | |
| 604 | 109 WR_H ; tick |
| 0 | 110 decfsz tft_temp1,F |
| 111 bra TFT_ClearScreen4 | |
| 582 | 112 bsf INTCON,GIE |
| 0 | 113 decfsz tft_temp2,F |
| 114 bra TFT_ClearScreen3 | |
| 115 decfsz tft_temp3,F | |
| 116 bra TFT_ClearScreen2 | |
| 582 | 117 |
| 118 movlw 0x00 ; NOP, to stop window mode | |
| 604 | 119 bra TFT_CmdWrite ; and return |
| 582 | 120 |
| 623 | 121 TFT_ClearScreen_display2: |
| 122 movlw 0x02 ; column address start | |
| 608 | 123 rcall TFT_CmdWrite |
| 124 movlw 0x00 | |
| 125 rcall TFT_DataWrite | |
| 126 movlw 0x03 | |
| 127 rcall TFT_CmdWrite | |
| 128 movlw 0x00 | |
| 129 rcall TFT_DataWrite | |
| 130 | |
| 623 | 131 movlw 0x04 ; column address end |
| 608 | 132 rcall TFT_CmdWrite |
| 133 movlw 0x00 | |
| 134 rcall TFT_DataWrite | |
| 135 movlw 0x05 | |
| 136 rcall TFT_CmdWrite | |
| 137 movlw 0xEF | |
| 138 rcall TFT_DataWrite | |
| 139 | |
| 623 | 140 movlw 0x06 ; row address start |
| 608 | 141 rcall TFT_CmdWrite |
| 142 movlw 0x00 | |
| 143 rcall TFT_DataWrite | |
| 144 movlw 0x07 | |
| 145 rcall TFT_CmdWrite | |
| 146 movlw 0x00 | |
| 147 rcall TFT_DataWrite | |
| 148 | |
| 623 | 149 movlw 0x08 ; row address end |
| 608 | 150 rcall TFT_CmdWrite |
| 151 movlw 0x01 | |
| 152 rcall TFT_DataWrite | |
| 153 movlw 0x09 | |
| 154 rcall TFT_CmdWrite | |
| 155 movlw 0x3F | |
| 156 rcall TFT_DataWrite | |
| 157 | |
| 623 | 158 movlw 0x22 ; start writing data to GRAM |
| 608 | 159 rcall TFT_CmdWrite |
| 160 | |
| 628 | 161 movlw .160 ; 160 x 240 x 6 = 230400 ticks |
| 162 TFT_ClearScreen_display2_loop0: | |
| 623 | 163 bsf tft_rs ; data! |
| 608 | 164 movwf PRODH |
| 165 clrf PORTH | |
| 623 | 166 TFT_ClearScreen_display2_loop1: |
| 608 | 167 movlw .240 |
| 168 movwf PRODL | |
| 623 | 169 TFT_ClearScreen_display2_loop2: |
| 608 | 170 bcf tft_nwr |
| 623 | 171 bsf tft_nwr ; upper |
| 608 | 172 bcf tft_nwr |
| 623 | 173 bsf tft_nwr ; high |
| 608 | 174 bcf tft_nwr |
| 623 | 175 bsf tft_nwr ; lower |
| 608 | 176 bcf tft_nwr |
| 623 | 177 bsf tft_nwr ; upper |
| 608 | 178 bcf tft_nwr |
| 623 | 179 bsf tft_nwr ; high |
| 608 | 180 bcf tft_nwr |
| 623 | 181 bsf tft_nwr ; lower |
| 608 | 182 decfsz PRODL,F |
| 623 | 183 bra TFT_ClearScreen_display2_loop2 |
| 608 | 184 decfsz PRODH,F |
| 623 | 185 bra TFT_ClearScreen_display2_loop1 |
| 186 return | |
| 0 | 187 |
| 628 | 188 TFT_ClearScreen_display3: |
| 189 movlw 0x35 ; vertical start address HIGH:LOW | |
| 190 rcall TFT_CmdWrite | |
| 631 | 191 mullw 0 |
| 628 | 192 rcall TFT_DataWrite_PROD |
| 193 | |
| 194 movlw 0x36 ; vertical end address HIGH:LOW | |
| 195 rcall TFT_CmdWrite | |
| 196 movlw 0x01 | |
| 197 rcall TFT_DataWrite | |
| 198 movlw 0x3F | |
| 199 rcall TFT_DataWrite | |
| 200 | |
| 201 movlw 0x37 ; horizontal address START:END | |
| 202 rcall TFT_CmdWrite | |
| 203 movlw 0x00 | |
| 204 rcall TFT_DataWrite | |
| 205 movlw 0xEF | |
| 206 rcall TFT_DataWrite | |
| 207 | |
| 208 movlw 0x20 ; start address horizontal (.0 - .239) | |
| 209 rcall TFT_CmdWrite | |
| 210 rcall TFT_DataWrite_PROD | |
| 211 | |
| 212 movlw 0x21 ; start address vertical (.0 - .319) | |
| 213 rcall TFT_CmdWrite | |
| 214 rcall TFT_DataWrite_PROD | |
| 215 | |
| 216 movlw 0x22 ; start writing data to GRAM | |
| 217 rcall TFT_CmdWrite | |
| 218 | |
| 219 movlw .107 ; 107 x 240 x 6 = 154080 ticks (153600 would be enough) | |
| 220 bra TFT_ClearScreen_display2_loop0 | |
| 221 | |
| 222 | |
| 582 | 223 global TFT_DisplayOff |
| 0 | 224 TFT_DisplayOff: |
| 628 | 225 bcf lightsen_power ; power-down light sensor |
| 631 | 226 btfsc screen_type3 ; screen type 3 ? |
| 227 bra TFT_DisplayOff_display3 ; YES - screen needs special power-down sequence | |
| 228 clrf CCP1CON ; NO - stop PWM | |
| 229 bcf PORTC,2 ; - pull PWM out to GND | |
| 0 | 230 clrf PORTA |
| 582 | 231 clrf PORTH |
| 623 | 232 RD_L ; LOW |
| 233 RS_L ; LOW | |
| 640 | 234 WR_L |
| 235 NCS_L | |
| 623 | 236 bcf tft_nreset |
| 237 bsf tft_power ; inverted... | |
| 628 | 238 return |
| 239 | |
| 240 TFT_DisplayOff_display3: | |
| 241 movlw 0x05 | |
| 242 rcall TFT_CmdWrite | |
| 243 movlw 0x00 | |
| 244 rcall TFT_DataWrite | |
| 245 movlw 0x00 | |
| 246 rcall TFT_DataWrite | |
| 247 WAITMS d'32' | |
| 248 clrf CCP1CON ; stop PWM | |
| 249 bcf PORTC,2 ; pull PWM out to GND | |
| 250 WAITMS d'32' | |
| 251 movlw 0x10 | |
| 252 rcall TFT_CmdWrite | |
| 253 movlw 0x00 | |
| 254 rcall TFT_DataWrite | |
| 255 movlw 0x01 | |
| 256 rcall TFT_DataWrite | |
| 257 WAITMS d'100' | |
| 258 clrf PORTH | |
| 259 bcf tft_nwr | |
| 260 bcf tft_cs | |
| 261 bcf tft_nreset | |
| 262 WAITMS d'10' | |
| 263 bsf tft_power ; inverted... | |
| 0 | 264 return |
| 265 | |
| 266 ; ----------------------------- | |
| 267 ; TFT boot | |
| 268 ; ----------------------------- | |
| 582 | 269 |
| 270 global TFT_boot | |
| 0 | 271 TFT_boot: |
| 623 | 272 ; switch off backlight |
| 273 clrf CCP1CON ; stop PWM | |
| 274 bcf PORTC,2 ; pull PWM out to GND | |
| 275 | |
| 0 | 276 clrf PORTA |
| 277 clrf PORTH | |
| 628 | 278 |
| 0 | 279 RD_L ; LOW |
| 280 nop | |
| 628 | 281 WR_L |
| 282 nop | |
| 283 NCS_L ; Not CS | |
| 0 | 284 nop |
| 285 bcf tft_nreset | |
| 286 WAITMS d'1' | |
| 287 bcf tft_power ; inverted... | |
| 288 WAITMS d'1' | |
| 289 RD_H ; Keep high | |
| 628 | 290 nop |
| 0 | 291 WAITMS d'2' |
| 292 bsf tft_nreset | |
| 461 | 293 WAITMS d'5' |
| 294 bcf tft_nreset | |
| 295 WAITMS d'5' | |
| 296 bsf tft_nreset | |
| 0 | 297 WAITMS d'150' |
| 628 | 298 WR_H ; release bus |
| 604 | 299 bsf lightsen_power ; supply power to light sensor |
| 0 | 300 |
| 628 | 301 btfsc screen_type3 ; display type 3 ? |
| 302 bra TFT_boot_screen3 ; YES | |
| 303 | |
| 582 | 304 ; Data Transfer Synchronization |
| 0 | 305 Parameter_out 0x00, 0x00 |
| 306 Parameter_out 0x00, 0x00 | |
| 582 | 307 |
| 623 | 308 btfsc screen_type2 ; display type 2 ? |
| 309 bra TFT_boot_screen2 ; YES | |
| 608 | 310 |
| 623 | 311 ; Get screen type from Bootloader-Info |
| 582 | 312 movlw 0x7B |
| 313 movwf TBLPTRL | |
| 314 movlw 0xF7 | |
| 315 movwf TBLPTRH | |
| 316 movlw 0x01 | |
| 317 movwf TBLPTRU | |
| 623 | 318 TBLRD*+ ; reads 0x6E for cR and USB OSTC3, 0x00 for BLE (2 and 3), and 0x02 for display 1 OSTC |
| 319 movlw 0x02 ; coding for display 1 | |
| 320 cpfseq TABLAT ; display 1 ? | |
| 321 bra TFT_boot_0 ; NO - display 0 | |
| 360 | 322 |
| 323 TFT_boot_1: | |
| 582 | 324 ; Init through config table... |
| 325 movlw 0x74 | |
| 326 movwf TBLPTRL | |
| 327 movlw 0xF7 | |
| 328 movwf TBLPTRH | |
| 329 movlw 0x01 | |
| 330 movwf TBLPTRU | |
| 628 | 331 bsf screen_type1 |
| 582 | 332 bra TFT_boot_com |
| 360 | 333 |
|
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334 TFT_boot_0: |
| 582 | 335 ; Init through config table... |
| 336 movlw LOW display0_config_table | |
| 337 movwf TBLPTRL | |
| 338 movlw HIGH display0_config_table | |
| 339 movwf TBLPTRH | |
| 340 movlw UPPER display0_config_table | |
| 341 movwf TBLPTRU | |
| 628 | 342 bcf screen_type1 |
| 582 | 343 |
| 360 | 344 TFT_boot_com: |
| 582 | 345 rcall display0_init_loop |
| 0 | 346 |
| 582 | 347 Index_out 0x03 |
| 348 btfsc flip_screen ; 180° rotation ? | |
| 604 | 349 bra TFT_boot2 ; YES |
| 360 | 350 |
| 628 | 351 btfss screen_type1 ; display1? |
| 604 | 352 bra TFT_boot1a ; NO |
| 582 | 353 Parameter_out 0x10, 0x00 ; display1 |
| 354 bra TFT_boot3 | |
| 360 | 355 TFT_boot1a: |
| 582 | 356 Parameter_out 0x50, 0x20 ; display0 |
| 357 bra TFT_boot3 | |
|
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358 TFT_boot2: |
| 628 | 359 btfss screen_type1 ; display1? |
| 604 | 360 bra TFT_boot2a ; NO |
| 582 | 361 Parameter_out 0x10, 0x30 ; display1 |
| 362 bra TFT_boot3 | |
| 360 | 363 TFT_boot2a: |
| 582 | 364 Parameter_out 0x50, 0x10 ; display0 |
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365 TFT_boot3: |
| 0 | 366 Index_out 0x22 |
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367 rcall TFT_ClearScreen |
| 0 | 368 Index_out 0x07 |
| 312 | 369 Parameter_out 0x01, 0x33 |
| 0 | 370 return |
| 371 | |
| 372 display0_config_table: | |
| 582 | 373 ; Reg, Dat0, Dat1 or 0xFF,0x00,0x00 for end |
| 374 db 0xA4,0x00,0x01,0xFF,.002,0x00 | |
| 375 db 0x09,0x00,0x01,0x92,0x04,0x00 | |
| 376 db 0x93,0x04,0x02,0x94,0x00,0x02 | |
| 377 db 0x07,0x00,0x00,0x10,0x04,0x30 | |
| 378 db 0x11,0x02,0x37,0x12,0x11,0x8D | |
| 379 db 0x13,0x11,0x00,0x01,0x01,0x00 | |
| 380 db 0x02,0x02,0x00,0x03,0x50,0x20 | |
| 381 db 0x0A,0x00,0x08,0x0D,0x00,0x00 | |
| 382 db 0x0E,0x00,0x30,0xFF,.151,0x00 | |
| 383 db 0x12,0x11,0xBD,0x20,0x00,0x00 | |
| 384 db 0x21,0x00,0x00,0x30,0x06,0x02 | |
| 385 db 0x31,0x56,0x0D,0x32,0x05,0x07 | |
| 386 db 0x33,0x06,0x09,0x34,0x00,0x00 | |
| 387 db 0x35,0x09,0x06,0x36,0x57,0x05 | |
| 388 db 0x37,0x0D,0x06,0x38,0x02,0x06 | |
| 389 db 0x39,0x00,0x00,0xFF,0x00,0x00 | |
| 0 | 390 |
| 391 display0_init_loop: | |
| 582 | 392 TBLRD*+ |
| 393 movlw 0xFF | |
| 394 cpfseq TABLAT | |
| 623 | 395 bra display0_config_write ; write configuration data pair to display |
| 582 | 396 ; Delay ms or quit (return) |
| 397 TBLRD*+ | |
| 623 | 398 tstfsz TABLAT ; end of configuration data? |
| 604 | 399 bra $+4 ; NO |
| 400 return ; YES - done | |
| 582 | 401 movf TABLAT,W |
| 604 | 402 call WAITMSX ; wait WREG milliseconds |
| 403 TBLRD*+ ; dummy read (Third byte of delay command) | |
| 404 bra display0_init_loop ; loop | |
| 0 | 405 |
| 604 | 406 display0_config_write: ; with command in WREG |
| 582 | 407 movf TABLAT,W |
| 604 | 408 rcall TFT_CmdWrite ; write command |
| 409 TBLRD*+ ; get config0 | |
| 582 | 410 movff TABLAT,PORTA |
| 604 | 411 TBLRD*+ ; get config1 |
| 582 | 412 movf TABLAT,W |
| 623 | 413 rcall TFT_DataWrite ; write configuration |
| 604 | 414 bra display0_init_loop ; loop |
| 0 | 415 |
| 623 | 416 |
| 608 | 417 TFT_boot_screen2: |
| 623 | 418 rcall display1_init ; initialization sequence |
| 608 | 419 |
| 623 | 420 btfss flip_screen ; 180° rotation? |
| 421 bra TFT_ClearScreen ; NO - done: clear screen and return | |
| 422 ; flip the GRAM | |
| 423 Index_out 0x16 | |
| 424 movlw 0x48 ; flip image in the GRAM (very elegant with display 2...) | |
| 425 rcall TFT_DataWrite ; Write configuration | |
| 426 bra TFT_ClearScreen ; clear screen and return | |
| 608 | 427 |
| 628 | 428 TFT_boot_screen3: |
| 429 rcall display1_init ; init sequence | |
| 430 rcall TFT_ClearScreen | |
| 431 setf CCPR1L ; duty cycle, 255 is required for OLED | |
| 432 ; Set brightness | |
| 433 movff opt_brightness,PRODL ; =0: Eco, =1:Medium, =2:Full | |
| 434 incf PRODL,F ; +1 | |
| 435 dcfsnz PRODL,F | |
| 436 rcall TFT_display3_low | |
| 437 dcfsnz PRODL,F | |
| 438 rcall TFT_display3_med | |
| 439 dcfsnz PRODL,F | |
| 440 rcall TFT_display3_high | |
| 441 ; ToDo: Flip.... | |
| 442 return | |
| 443 | |
| 608 | 444 display1_init: |
| 623 | 445 movlw LOW (0x1F8BC ) |
| 446 movwf TBLPTRL | |
| 447 movlw HIGH (0x1F8BC & 0xFFFF) | |
| 448 movwf TBLPTRH | |
| 449 movlw UPPER (0x1F8BC ) | |
| 450 movwf TBLPTRU | |
| 608 | 451 display1_init_loop: |
| 623 | 452 TBLRD*+ |
| 453 movlw 0xFF ; coding for end of configuration or wait step | |
| 454 cpfseq TABLAT | |
| 455 bra display1_config_write ; write configuration pair to display | |
| 456 ; Delay ms or quit (return) | |
| 457 TBLRD*+ | |
| 458 tstfsz TABLAT ; end of configuration? | |
| 459 bra $+4 ; NO - skip return | |
| 460 return ; YES - done | |
| 461 movf TABLAT,W ; read waiting time | |
| 462 call WAITMSX ; wait WREG milliseconds | |
| 463 bra display1_init_loop ; loop | |
| 464 display1_config_write: ; with command in WREG | |
| 465 movf TABLAT,W | |
| 466 rcall TFT_CmdWrite ; write command | |
| 467 TBLRD*+ ; get configuration | |
| 468 movf TABLAT,W | |
| 469 rcall TFT_DataWrite ; write configuration | |
| 628 | 470 btfss screen_type3 ; screen 3 ? |
| 471 bra display1_init_loop ; NO - loop | |
| 472 ; Screen 3 gets another byte from the table | |
| 473 TBLRD*+ ; get configuration | |
| 474 movf TABLAT,W | |
| 475 rcall TFT_DataWrite ; write configuration | |
| 623 | 476 bra display1_init_loop ; loop |
| 608 | 477 |
| 623 | 478 |
| 479 global TFT_CmdWrite | |
| 608 | 480 TFT_CmdWrite: |
| 481 RS_L ; command | |
| 628 | 482 ; btfsc screen_type2 |
| 483 ; bra TFT_CmdWrite_screen2 | |
| 608 | 484 clrf PORTA ; upper |
| 485 bcf INTCON,GIE | |
| 486 movwf PORTH ; lower | |
| 487 WR_L | |
| 488 WR_H ; tick | |
| 489 bsf INTCON,GIE | |
| 490 return | |
| 628 | 491 ;TFT_CmdWrite_screen2: |
| 492 ; movwf PORTH ; lower | |
| 493 ; WR_L | |
| 494 ; WR_H ; tick | |
| 495 ; return; | |
| 608 | 496 |
| 497 global TFT_DataWrite | |
| 498 TFT_DataWrite: | |
| 499 RS_H ; data | |
| 628 | 500 ; btfsc screen_type2 |
| 501 ; bra TFT_DataWrite_screen2 | |
| 608 | 502 bcf INTCON,GIE |
| 623 | 503 movwf PORTH ; lower |
| 608 | 504 WR_L |
| 505 WR_H ; tick | |
| 506 bsf INTCON,GIE | |
| 507 return | |
| 628 | 508 ;TFT_DataWrite_screen2: |
| 509 ; movwf PORTH ; lower | |
| 510 ; WR_L | |
| 511 ; WR_H ; tick | |
| 512 ; return | |
| 608 | 513 |
| 623 | 514 |
| 634 | 515 ;----------------------------------------------------------------------------- |
| 0 | 516 ; Smooth lighting-up of the display: |
| 517 ; | |
| 518 ; Trashes: WREG, PRODL | |
| 519 ; Typical usage: | |
| 604 | 520 ; clrf CCPR1L ; backlight off |
| 582 | 521 ; [draw splash screen] |
| 522 ; call TFT_DisplayFadeIn | |
| 634 | 523 ; |
| 582 | 524 global TFT_Display_FadeIn |
| 0 | 525 TFT_Display_FadeIn: |
| 623 | 526 movlw CCP1CON_VALUE ; get configuration |
| 527 movwf CCP1CON ; set configuration | |
| 604 | 528 bsf tft_is_dimming ; TFT is dimming, ignore ambient sensor |
| 628 | 529 btfsc screen_type3 |
| 634 | 530 bra TFT_Display_FadeIn_1 |
| 604 | 531 clrf CCPR1L ; backlight off - to be sure |
| 582 | 532 movff max_CCPR1L,PRODL |
| 0 | 533 TFT_Display_FadeIn_0: |
| 604 | 534 incf CCPR1L,F ; duty cycle |
| 582 | 535 WAITMS d'2' |
| 536 decfsz PRODL,F | |
| 623 | 537 bra TFT_Display_FadeIn_0 |
| 604 | 538 bcf tft_is_dimming ; dimming done |
| 582 | 539 return |
| 628 | 540 TFT_Display_FadeIn_1: |
| 541 setf CCPR1L | |
| 542 return | |
| 0 | 543 |
| 634 | 544 ;----------------------------------------------------------------------------- |
| 0 | 545 ; Smooth lighting-off of the display: |
| 546 ; Trashes: WREG, PRODL | |
| 634 | 547 ; |
| 582 | 548 global TFT_Display_FadeOut |
| 0 | 549 TFT_Display_FadeOut: |
| 582 | 550 movff max_CCPR1L,PRODL |
| 604 | 551 bsf tft_is_dimming ; TFT is dimming, ignore ambient sensor |
| 628 | 552 btfsc screen_type3 |
| 640 | 553 return ; Do not fade out screen type 3 |
| 0 | 554 TFT_Display_FadeOut_0: |
| 604 | 555 movff PRODL,CCPR1L ; duty cycle |
| 582 | 556 WAITMS d'1' |
| 557 decfsz PRODL,F | |
| 558 bra TFT_Display_FadeOut_0 | |
| 628 | 559 TFT_Display_FadeOut_1: |
| 582 | 560 clrf CCPR1L |
| 561 return | |
| 0 | 562 |
| 634 | 563 ;----------------------------------------------------------------------------- |
| 564 ; OLED brightness control | |
| 565 ; | |
| 628 | 566 TFT_display3_high: ; 0x01F8F8 |
| 567 movlw LOW (0x01F8F8 ) | |
| 568 movwf TBLPTRL | |
| 569 movlw HIGH (0x01F8F8 & 0xFFFF) | |
| 570 movwf TBLPTRH | |
| 571 movlw UPPER (0x01F8F8 ) | |
| 572 movwf TBLPTRU | |
| 573 bra display1_init_loop ; and return | |
| 574 | |
| 575 TFT_display3_med: ; 0x01F91C | |
| 576 movlw LOW (0x01F91C ) | |
| 577 movwf TBLPTRL | |
| 578 movlw HIGH (0x01F91C & 0xFFFF) | |
| 579 movwf TBLPTRH | |
| 580 movlw UPPER (0x01F91C ) | |
| 581 movwf TBLPTRU | |
| 582 bra display1_init_loop ; and return | |
| 583 | |
| 584 TFT_display3_low: ; 0x01F8D4 | |
| 585 movlw LOW (0x01F8D4 ) | |
| 586 movwf TBLPTRL | |
| 587 movlw HIGH (0x01F8D4 & 0xFFFF) | |
| 588 movwf TBLPTRH | |
| 589 movlw UPPER (0x01F8D4 ) | |
| 590 movwf TBLPTRU | |
| 591 bra display1_init_loop ; and return | |
| 592 | |
| 0 | 593 |
| 634 | 594 ;----------------------------------------------------------------------------- |
| 595 ; colored (filled) Boxes | |
| 596 ; | |
| 597 global box_std_block, box_black_block, box_color_block, box_color | |
| 0 | 598 |
| 604 | 599 box_std_block: ; use white color |
| 582 | 600 setf WREG |
| 634 | 601 bra box_color_block |
| 604 | 602 box_black_block: ; use black color |
| 582 | 603 clrf WREG |
| 634 | 604 box_color_block: ; use color from WREG |
| 582 | 605 rcall TFT_set_color |
| 606 VARARGS_BEGIN | |
| 607 VARARGS_GET8 win_top | |
| 608 VARARGS_GET8 win_height | |
| 609 VARARGS_GET8 win_leftx2 | |
| 610 VARARGS_GET8 win_width | |
| 611 VARARGS_END | |
| 612 bra TFT_box | |
| 0 | 613 |
| 634 | 614 box_color: ; use color from WREG and pre-set coordinates |
| 615 rcall TFT_set_color | |
| 616 bra TFT_box | |
| 0 | 617 |
| 618 | |
| 634 | 619 ;----------------------------------------------------------------------------- |
| 620 ; colored Frames | |
| 621 ; | |
| 622 global box_frame_std, box_frame_color | |
| 623 | |
| 624 box_frame_std: ; use white color | |
| 582 | 625 setf WREG |
| 634 | 626 box_frame_color: ; use color from WREG |
| 582 | 627 rcall TFT_set_color |
| 628 VARARGS_BEGIN | |
| 629 VARARGS_GET8 win_top | |
| 630 VARARGS_GET8 win_height | |
| 631 VARARGS_GET8 win_leftx2 | |
| 632 VARARGS_GET8 win_width | |
| 633 VARARGS_END | |
| 634 bra TFT_frame | |
| 634 | 635 |
| 0 | 636 |
| 634 | 637 ; ;----------------------------------------------------------------------------- |
| 638 ; ; Init for half_pixel_write | |
| 639 ; ; Set column register on TFT device, and current color. | |
| 640 ; ; Inputs: win_leftx2 | |
| 641 ; ; Outputs: win_color_1/_2 | |
| 642 ; ; Trashed: WREG, PROD | |
| 643 ; ; | |
| 644 ; ; global init_pixel_write | |
| 645 ; ;init_pixel_write: | |
| 646 ; ; movf win_leftx2,W | |
| 647 ; ; mullw 2 | |
| 648 ; ; rcall pixel_write_col320 ; start address vertical (.0 - .319) | |
| 649 ; ; setf WREG | |
| 650 ; ; bra TFT_set_color | |
| 651 | |
| 0 | 652 |
| 653 ;----------------------------------------------------------------------------- | |
| 634 | 654 ; Draw two half-pixels at position (win_top,win_leftx2) |
| 655 ; Inputs: win_leftx2, win_top, win_color_1/_2 | |
| 0 | 656 ; Trashed: WREG, PROD |
| 634 | 657 ; |
| 582 | 658 global pixel_write |
| 0 | 659 pixel_write: |
| 582 | 660 movf win_leftx2,W |
| 623 | 661 mullw .2 ; win_leftx2 x 2 -> PRODH:PRODL |
| 604 | 662 rcall pixel_write_col320 ; start address vertical (.0 - .319) |
| 663 rcall half_pixel_write ; write this half-one | |
| 628 | 664 |
| 604 | 665 movf win_leftx2,W ; address of next one |
| 623 | 666 mullw .2 ; win_leftx2 x 2 -> PRODH:PRODL |
| 667 INCI PROD ; PROD++ | |
| 582 | 668 rcall pixel_write_col320 |
| 628 | 669 bra half_pixel_write ; and return... note: cmd 0x20 is mandatory, because |
| 582 | 670 ; of the auto-increment going vertical |
| 0 | 671 |
| 672 global pixel_write_col320 | |
| 673 pixel_write_col320: | |
| 628 | 674 btfsc screen_type2 ; display type 2 ? |
| 675 bra pixel_write_col320_d2 ; YES | |
| 676 btfsc screen_type1 ; display type 1 ? | |
| 677 bra pixel_write_col320_d1 ; YES | |
| 678 btfsc screen_type3 ; display type 3 ? | |
| 679 bra pixel_write_col320_d3 ; YES | |
| 680 ; NO to all - display type 0 | |
| 582 | 681 btfss flip_screen ; 180° rotation? |
| 604 | 682 bra pixel_write_noflip_H ; NO |
| 683 bra pixel_write_flip_H ; YES | |
| 623 | 684 pixel_write_col320_d1: ; display type 1 |
| 582 | 685 btfsc flip_screen ; 180° rotation? |
| 623 | 686 bra pixel_write_noflip_H ; YES |
| 604 | 687 pixel_write_flip_H: ; flip d0 |
| 688 movf PRODL,W ; 16 bits 319 - PROD --> PROD | |
| 623 | 689 sublw LOW .319 ; 319-W --> W |
| 582 | 690 movwf PRODL |
| 691 movf PRODH,W | |
| 604 | 692 btfss STATUS,C ; borrow = /CARRY |
| 582 | 693 incf WREG |
| 623 | 694 sublw HIGH .319 |
| 582 | 695 movwf PRODH |
| 151 | 696 |
| 697 pixel_write_noflip_H: | |
| 604 | 698 Index_out 0x21 ; frame memory vertical address |
| 582 | 699 bra TFT_DataWrite_PROD ; and return... |
| 0 | 700 |
| 608 | 701 pixel_write_col320_d2: |
| 623 | 702 movlw 0x06 |
| 703 rcall TFT_CmdWrite | |
| 704 movf PRODH,W | |
| 705 rcall TFT_DataWrite | |
| 706 movlw 0x07 | |
| 707 rcall TFT_CmdWrite | |
| 708 movf PRODL,W | |
| 709 rcall TFT_DataWrite | |
| 608 | 710 |
| 623 | 711 incf PRODL,F |
| 712 movlw .0 | |
| 713 addwfc PRODH,F ; +1 | |
| 608 | 714 |
| 623 | 715 movlw 0x08 |
| 716 rcall TFT_CmdWrite | |
| 717 movf PRODH,W | |
| 718 rcall TFT_DataWrite | |
| 719 movlw 0x09 | |
| 720 rcall TFT_CmdWrite | |
| 721 movf PRODL,W | |
| 722 bra TFT_DataWrite ; ... and return | |
| 608 | 723 |
| 628 | 724 pixel_write_col320_d3: |
| 725 movlw 0x21 ; start address vertical (.0 - .319) | |
| 726 rcall TFT_CmdWrite | |
| 727 bra TFT_DataWrite_PROD ; and return... | |
| 728 | |
| 0 | 729 ;----------------------------------------------------------------------------- |
| 634 | 730 ; Write one half-pixel at position (win_top,win_leftx2). |
| 731 ; Inputs: win_leftx2, win_top, win_color_1/_2 | |
| 0 | 732 ; Trashed: WREG, PROD |
| 634 | 733 ; |
| 582 | 734 global half_pixel_write |
| 0 | 735 half_pixel_write: |
| 628 | 736 movf win_top,W ; d'0' ... d'239' |
| 737 ; Variant with Y position in WREG | |
| 0 | 738 half_pixel_write_1: |
| 628 | 739 btfsc screen_type2 ; display type 2 ? |
| 740 bra half_pixel_write_1_display2 ; YES | |
| 741 btfsc screen_type3 ; display type 3 ? | |
| 742 bra half_pixel_write_1_display3 ; YES | |
| 608 | 743 |
| 628 | 744 half_pixel_write_1_display1: |
| 582 | 745 btfss flip_screen ; 180° rotation? |
| 746 sublw .239 ; 239-Y --> Y | |
| 604 | 747 mullw .1 ; copy row to PRODL (PRODH=0) |
| 748 Index_out 0x20 ; frame memory horizontal address | |
| 582 | 749 rcall TFT_DataWrite_PROD |
| 0 | 750 |
| 604 | 751 Index_out 0x22 ; frame memory data write start |
| 752 RS_H ; data | |
| 582 | 753 bcf INTCON,GIE |
| 604 | 754 movff win_color1,PORTA ; upper |
| 755 movff win_color2,PORTH ; lower | |
| 582 | 756 WR_L |
| 604 | 757 WR_H ; tick |
| 582 | 758 bsf INTCON,GIE |
| 759 return | |
| 0 | 760 |
| 628 | 761 half_pixel_write_1_display2: |
| 623 | 762 mullw 1 ; copy row to PRODL (PRODH=0) |
| 763 ; Row address start | |
| 764 movlw 0x02 | |
| 765 rcall TFT_CmdWrite | |
| 766 movlw .0 | |
| 767 rcall TFT_DataWrite | |
| 768 movlw 0x03 | |
| 769 rcall TFT_CmdWrite | |
| 770 movf PRODL,W | |
| 771 rcall TFT_DataWrite | |
| 608 | 772 |
| 623 | 773 incf PRODL,F |
| 608 | 774 |
| 623 | 775 movlw 0x04 |
| 776 rcall TFT_CmdWrite | |
| 777 movlw .0 | |
| 778 rcall TFT_DataWrite | |
| 779 movlw 0x05 | |
| 780 rcall TFT_CmdWrite | |
| 781 movf PRODL,W | |
| 782 rcall TFT_DataWrite | |
| 608 | 783 |
| 784 movff win_color1,PRODH | |
| 785 movff win_color2,PRODL | |
| 786 rcall convert_for_display2 | |
| 787 | |
| 623 | 788 movlw 0x22 ; start writing data to GRAM |
| 789 rcall TFT_CmdWrite | |
| 790 RS_H ; data | |
| 791 movff win_color5, PORTH | |
| 608 | 792 WR_L |
| 623 | 793 WR_H ; tick |
| 794 movff win_color4, PORTH | |
| 608 | 795 WR_L |
| 623 | 796 WR_H ; tick |
| 797 movff win_color3, PORTH | |
| 608 | 798 WR_L |
| 623 | 799 WR_H ; tick |
| 800 return | |
| 608 | 801 |
| 628 | 802 half_pixel_write_1_display3: |
| 803 mullw 1 ; copy row to PRODL (PRODH=0) | |
| 804 | |
| 805 movlw 0x20 ; horizontal address START:END | |
| 806 rcall TFT_CmdWrite | |
| 807 rcall TFT_DataWrite_PROD | |
| 808 | |
| 809 movlw 0x22 ; start writing data to GRAM | |
| 810 rcall TFT_CmdWrite | |
| 811 RS_H ; data | |
| 812 movff win_color1, PORTH | |
| 813 WR_L | |
| 814 WR_H ; tick | |
| 815 movff win_color2, PORTH | |
| 816 WR_L | |
| 817 WR_H ; tick | |
| 818 return ; done | |
| 819 | |
| 0 | 820 ;----------------------------------------------------------------------------- |
| 634 | 821 ; Draw a vertical line of half-pixel at position (win_top,win_leftx2,win_height). |
| 822 ; Inputs: win_leftx2, win_top, win_height, win_color_1/_2 | |
| 0 | 823 ; Trashed: WREG, PROD, TABLAT, TBLPTRL |
| 634 | 824 ; |
| 0 | 825 global half_vertical_line |
| 826 half_vertical_line: | |
| 604 | 827 clrf TABLAT ; loop index |
| 0 | 828 |
| 829 half_vertical_line_loop: | |
| 604 | 830 movf win_leftx2,W ; init X position |
| 623 | 831 mullw .2 ; win_leftx2 x 2 -> PRODH:PRODL |
| 604 | 832 movf TABLAT,W ; get loop index |
| 833 andlw .1 ; just low bit | |
| 834 xorwf PRODL,F ; and use it to jitter current X position | |
| 835 rcall pixel_write_col320 ; start address vertical (.0 - .319) | |
| 0 | 836 |
| 604 | 837 movf win_height,W ; index reached height (bank0 read) ? |
| 582 | 838 xorwf TABLAT,W |
| 604 | 839 btfsc STATUS,Z ; Equal ? |
| 840 return ; YES - done | |
| 841 movf win_top,W ; Y = top + index (bank0 read) | |
| 582 | 842 addwf TABLAT,W |
| 843 rcall half_pixel_write_1 | |
| 844 incf TABLAT,F ; index++ | |
| 845 bra half_vertical_line_loop | |
| 0 | 846 |
| 847 ;----------------------------------------------------------------------------- | |
| 634 | 848 ; Draw a horizontal line of half-pixel at position (win_top,win_leftx2,win_width). |
| 849 ; Inputs: win_leftx2, win_top, win_width, win_color_1/_2 | |
| 0 | 850 ; Trashed: WREG, PROD, TABLAT, TBLPTRL |
| 634 | 851 ; |
| 0 | 852 global half_horizontal_line |
| 853 half_horizontal_line: | |
| 604 | 854 clrf TABLAT ; loop index |
| 0 | 855 |
| 856 half_horizontal_line_loop: | |
| 604 | 857 movf win_leftx2,W ; init X position |
| 623 | 858 mullw .2 ; win_leftx2 x 2 -> PRODH:PRODL |
| 604 | 859 rcall pixel_write_col320 ; start address vertical (.0 - .319) |
| 860 movf win_width,W ; index reached height (bank0 read) ? | |
| 582 | 861 xorwf TABLAT,W |
| 604 | 862 btfsc STATUS,Z ; equal ? |
| 863 return ; YES - done | |
| 864 movf win_top,W ; Y = top + index (bank0 read) | |
| 582 | 865 addwf TABLAT,W |
| 866 rcall half_pixel_write_1 | |
| 867 incf TABLAT,F ; index++ | |
| 868 bra half_horizontal_line_loop | |
| 0 | 869 |
| 870 | |
| 871 ;----------------------------------------------------------------------------- | |
| 634 | 872 ; TFT Data Command |
| 873 ; | |
| 0 | 874 TFT_DataWrite_PROD: |
| 623 | 875 ; RD_H ; keep high |
| 876 RS_H ; data | |
| 877 btfsc screen_type2 ; screen type 2 ? | |
| 878 bra TFT_DataWrite_PROD_display2 ; YES | |
| 628 | 879 btfsc screen_type3 ; screen type 3 ? |
| 880 bra TFT_DataWrite_PROD_display2 ; YES | |
| 623 | 881 bcf INTCON,GIE ; NO - |
| 882 movff PRODH,PORTA ; - move high byte to PORTA | |
| 883 movff PRODL,PORTH ; - move low byte to PORTH | |
| 884 WR_L ; - tick | |
| 885 WR_H ; - tack | |
| 886 bsf INTCON,GIE ; - | |
| 887 return ; - done | |
| 0 | 888 |
| 608 | 889 TFT_DataWrite_PROD_display2: |
| 623 | 890 movff PRODH,PORTH ; move high byte to PORTH (display 2 is big endian) |
| 891 WR_L ; tick | |
| 892 WR_H ; tack | |
| 893 movff PRODL,PORTH ; move low byte to PORTH | |
| 894 WR_L ; tick | |
| 895 WR_H ; tack | |
| 628 | 896 btfsc screen_type3 ; screen type 3 ? |
| 897 return ; YES - done | |
| 898 movff win_color3,PORTH ; NO - move low(est) byte to PORTH | |
| 899 WR_L ; - tick | |
| 900 WR_H ; - tack | |
| 901 return ; - done | |
| 623 | 902 |
| 608 | 903 |
| 0 | 904 TFT_DataRead_PROD: |
| 604 | 905 Index_out 0x22 ; frame memory data read start |
| 360 | 906 TFT_CmdRead_PROD: |
| 604 | 907 setf TRISA ; port A as input |
| 908 setf TRISH ; port H as input | |
| 909 RS_H ; data | |
| 910 WR_H ; not write | |
| 911 RD_L ; read | |
| 582 | 912 nop |
| 913 nop | |
| 914 nop | |
| 604 | 915 RD_H ; tick |
| 582 | 916 nop |
| 917 nop | |
| 918 nop | |
| 604 | 919 RD_L ; read |
| 582 | 920 nop |
| 921 ;nop | |
| 922 ;nop | |
| 923 movff PORTA,PRODH | |
| 924 movff PORTH,PRODL | |
| 604 | 925 RD_H ; tick |
| 582 | 926 nop |
| 604 | 927 clrf TRISA ; port A as output |
| 928 clrf TRISH ; port H as output | |
| 0 | 929 return |
| 930 | |
| 634 | 931 ;----------------------------------------------------------------------------- |
| 604 | 932 ; Output TFT Window Address commands |
| 933 ; Inputs : win_top, win_leftx2, win_height, win_width | |
| 934 ; Output : PortA/PortH commands | |
| 0 | 935 ; Trashed: PROD |
| 634 | 936 ; |
| 582 | 937 global TFT_box_write |
| 0 | 938 TFT_box_write: |
| 634 | 939 movf win_leftx2,W ; compute left = 2 * leftx2 --> PROD |
| 940 mullw .2 ; win_leftx2 x 2 -> PRODH:PRODL | |
| 0 | 941 |
| 634 | 942 btfsc screen_type2 ; screen type 2 ? |
| 943 bra TFT_box_write_display2 ; YES | |
| 944 btfsc screen_type3 ; screen type 3 ? | |
| 945 bra TFT_box_write_display3 ; YES | |
| 946 btfsc screen_type1 ; screen type 1 ? | |
| 947 bra TFT_box_write_display1 ; YES | |
| 608 | 948 |
| 623 | 949 ; screen type 0 |
| 634 | 950 TFT_box_write_display0: |
| 951 btfsc flip_screen ; 180° rotation? | |
| 952 bra TFT_box_do_flip_H ; YES | |
| 953 bra TFT_box_no_flip_H ; NO | |
| 954 | |
| 955 ; screen type 1 | |
| 956 TFT_box_write_display1: | |
| 957 btfss flip_screen ; 180° rotation? | |
| 958 bra TFT_box_do_flip_H ; NO | |
| 959 ;bra TFT_box_no_flip_H ; YES | |
| 960 | |
| 582 | 961 ;---- Normal horizontal window --------------------------------------- |
| 634 | 962 TFT_box_no_flip_H: |
| 604 | 963 Index_out 0x52 ; window vertical start address |
| 964 rcall TFT_DataWrite_PROD ; output left | |
| 965 Index_out 0x21 ; frame memory vertical address | |
| 966 rcall TFT_DataWrite_PROD ; output left | |
| 0 | 967 |
| 582 | 968 movf win_width+0,W ; right = left + width - 1 |
| 432 | 969 addwf PRODL,F |
| 970 movf win_width+1,W | |
| 971 addwfc PRODH,F | |
| 623 | 972 decf PRODL,F ; right-- |
| 582 | 973 btfss STATUS,C |
| 432 | 974 decf PRODH,F |
| 0 | 975 |
| 604 | 976 Index_out 0x53 ; window vertical end address |
| 582 | 977 rcall TFT_DataWrite_PROD |
| 634 | 978 bra TFT_box_common_H |
| 0 | 979 |
| 582 | 980 ;---- Flipped horizontal window -------------------------------------- |
| 634 | 981 TFT_box_do_flip_H: |
| 623 | 982 ; calculate new coordinate |
| 604 | 983 movf PRODL,W ; 16 bits 319 - PROD --> PROD |
| 623 | 984 sublw LOW .319 ; 319 - WREG --> WREG |
| 582 | 985 movwf PRODL |
| 986 movf PRODH,W | |
| 604 | 987 btfss STATUS,C ; borrow = /CARRY |
| 582 | 988 incf WREG |
| 623 | 989 sublw HIGH .319 |
| 582 | 990 movwf PRODH |
|
152
19ad15f04f60
BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents:
151
diff
changeset
|
991 |
| 604 | 992 Index_out 0x53 ; window vertical start address |
| 993 rcall TFT_DataWrite_PROD ; output left | |
| 994 Index_out 0x21 ; frame memory vertical address | |
| 995 rcall TFT_DataWrite_PROD ; output left | |
| 151 | 996 |
| 623 | 997 ; calculate new coordinate |
| 604 | 998 movf win_width+0,W ; 16 bits PROD - width --> PROD |
| 582 | 999 subwf PRODL,F ; PRODL - WREG --> PRODL |
| 1000 movf win_width+1,W | |
| 1001 subwfb PRODH,F | |
| 623 | 1002 INCI PROD ; PROD++ |
| 151 | 1003 |
| 604 | 1004 Index_out 0x52 ; window vertical end address |
| 582 | 1005 rcall TFT_DataWrite_PROD |
| 151 | 1006 |
| 634 | 1007 TFT_box_common_H: |
| 582 | 1008 btfss flip_screen ; 180° rotation ? |
| 634 | 1009 bra TFT_box_no_flip_V ; NO |
| 1010 ;bra TFT_box_do_flip_V ; YES | |
| 151 | 1011 |
| 582 | 1012 ;---- Flipped vertical window ----------------------------------------- |
| 634 | 1013 TFT_box_do_flip_V: |
| 623 | 1014 ; calculate new coordinate |
| 582 | 1015 movff win_top,PRODH ; top --> PRODH (first byte) |
| 1016 movf win_height,W | |
| 1017 addwf PRODH,W | |
| 432 | 1018 decf WREG |
| 604 | 1019 movwf PRODL ; top + height - 1 --> PRODL (second byte) |
| 151 | 1020 |
| 604 | 1021 Index_out 0x50 ; window horizontal start address |
| 432 | 1022 movf PRODH,W |
| 604 | 1023 rcall TFT_DataWrite ; lower (and tick) |
| 151 | 1024 |
| 604 | 1025 Index_out 0x51 ; window horizontal end address |
| 582 | 1026 movf PRODL,W |
| 604 | 1027 rcall TFT_DataWrite ; lower (and tick) |
| 582 | 1028 |
| 604 | 1029 Index_out 0x20 ; frame memory horizontal address |
| 432 | 1030 movf PRODH,W |
| 604 | 1031 bra TFT_DataWrite ; lower (and tick) and return |
| 151 | 1032 |
| 582 | 1033 ;---- Normal vertical window ---------------------------------------- |
| 634 | 1034 TFT_box_no_flip_V: |
| 582 | 1035 movff win_top,PRODL |
| 1036 movf win_height,W | |
| 1037 addwf PRODL,W | |
| 1038 sublw .240 ; 240 - top - height | |
| 604 | 1039 movwf PRODH ; first byte |
| 0 | 1040 |
| 432 | 1041 movf PRODL,W |
| 604 | 1042 sublw .239 ; 239 - top |
| 1043 movwf PRODL ; --> second byte | |
| 0 | 1044 |
| 604 | 1045 Index_out 0x50 ; window horizontal start address |
| 432 | 1046 movf PRODH,W |
| 604 | 1047 rcall TFT_DataWrite ; lower (and tick) |
| 0 | 1048 |
| 604 | 1049 Index_out 0x51 ; window horizontal end address |
| 432 | 1050 movf PRODL,W |
| 604 | 1051 rcall TFT_DataWrite ; lower (and tick) |
| 0 | 1052 |
| 604 | 1053 Index_out 0x20 ; frame memory horizontal address |
| 432 | 1054 movf PRODL,W |
| 604 | 1055 bra TFT_DataWrite ; lower (and tick) and return |
| 582 | 1056 |
| 608 | 1057 |
| 623 | 1058 TFT_box_write_display2: |
| 631 | 1059 ; setup left border |
| 623 | 1060 movlw 0x06 |
| 1061 rcall TFT_CmdWrite | |
| 1062 movf PRODH,W | |
| 1063 rcall TFT_DataWrite | |
| 1064 movlw 0x07 | |
| 1065 rcall TFT_CmdWrite | |
| 1066 movf PRODL,W | |
| 1067 rcall TFT_DataWrite | |
| 608 | 1068 |
| 623 | 1069 movf win_width+0,W ; right = left + width - 1 |
| 1070 addwf PRODL,F | |
| 1071 movf win_width+1,W | |
| 1072 addwfc PRODH,F | |
| 631 | 1073 decf PRODL,F ; decrement result |
| 623 | 1074 btfss STATUS,C |
| 631 | 1075 decf PRODH,F |
| 608 | 1076 |
| 631 | 1077 ; setup right border |
| 623 | 1078 movlw 0x08 |
| 1079 rcall TFT_CmdWrite | |
| 1080 movf PRODH,W | |
| 1081 rcall TFT_DataWrite | |
| 1082 movlw 0x09 | |
| 1083 rcall TFT_CmdWrite | |
| 1084 movf PRODL,W | |
| 1085 rcall TFT_DataWrite | |
| 1086 | |
| 1087 ;---- Normal vertical window ----------------------------------------- | |
| 1088 ; Output (top) (bottom) | |
| 1089 movff win_top,PRODH ; top --> PRODH (first byte) | |
| 1090 movf win_height,W | |
| 1091 addwf PRODH,W | |
| 1092 decf WREG | |
| 1093 movwf PRODL ; top+height-1 --> PRODL (second byte) | |
| 608 | 1094 |
| 623 | 1095 movlw 0x02 |
| 1096 rcall TFT_CmdWrite | |
| 1097 movlw 0x00 | |
| 1098 rcall TFT_DataWrite | |
| 1099 movlw 0x03 | |
| 1100 rcall TFT_CmdWrite | |
| 1101 movf PRODH,W | |
| 1102 rcall TFT_DataWrite | |
| 608 | 1103 |
| 623 | 1104 movlw 0x04 |
| 1105 rcall TFT_CmdWrite | |
| 1106 movlw 0x00 | |
| 1107 rcall TFT_DataWrite | |
| 1108 movlw 0x05 | |
| 1109 rcall TFT_CmdWrite | |
| 1110 movf PRODL,W | |
| 1111 bra TFT_DataWrite ; ... and return | |
| 0 | 1112 |
| 628 | 1113 TFT_box_write_display3: |
| 1114 ;---- Normal horizontal window --------------------------------------- | |
| 1115 ; Output 0x35 left, | |
| 631 | 1116 ; 0x36 right == left + width - 1. |
| 628 | 1117 |
| 1118 Index_out 0x35 ; window vertical start address | |
| 1119 rcall TFT_DataWrite_PROD ; output left | |
| 1120 Index_out 0x21 ; also the horizontal first pix coordinate | |
| 1121 rcall TFT_DataWrite_PROD ; output left | |
| 1122 | |
| 631 | 1123 movf win_width+0,W ; right = left + width - 1 |
| 628 | 1124 addwf PRODL,F |
| 631 | 1125 movf win_width+1,W |
| 628 | 1126 addwfc PRODH,F |
| 631 | 1127 decf PRODL,F ; decrement result |
| 634 | 1128 btfss STATUS,C |
| 631 | 1129 decf PRODH,F |
| 628 | 1130 |
| 631 | 1131 Index_out 0x36 ; write and the right border |
| 628 | 1132 rcall TFT_DataWrite_PROD |
| 1133 | |
| 1134 ;---- Normal vertical window ----------------------------------------- | |
| 1135 ; Output 0x37 (top) (bottom) | |
| 1136 movff win_top,PRODH ; top --> PRODH (first byte) | |
| 1137 movff win_height,WREG | |
| 1138 addwf PRODH,W | |
| 1139 decf WREG | |
| 1140 movwf PRODL ; top + height - 1 --> PRODL (second byte) | |
| 1141 | |
| 1142 Index_out 0x37 | |
| 1143 rcall TFT_DataWrite_PROD | |
| 1144 | |
| 1145 movff PRODH,PRODL | |
| 1146 clrf PRODH ; start pixel V coord == top. | |
| 1147 Index_out 0x20 | |
| 1148 bra TFT_DataWrite_PROD ; and return... | |
| 1149 | |
| 1150 | |
| 634 | 1151 ;----------------------------------------------------------------------------- |
| 604 | 1152 ; TFT_frame : draw a frame around current box with current color |
| 0 | 1153 ; Inputs: win_top, win_leftx2, win_height, win_width, win_color1, win_color2 |
| 1154 ; Outputs: (none) | |
| 1155 ; Trashed: WREG, PROD, aa_start:2, aa_end:2 | |
| 634 | 1156 ; |
| 582 | 1157 global TFT_frame |
| 1158 TFT_frame: | |
| 623 | 1159 movff win_top,tft_save_top ; backup everything |
| 1160 movff win_height,tft_save_height | |
| 1161 movff win_leftx2,tft_save_left | |
| 631 | 1162 movff win_width+0,tft_save_width |
| 0 | 1163 |
| 582 | 1164 ;---- TOP line ----------------------------------------------------------- |
| 623 | 1165 movlw .1 ; row ~ height = 1 |
| 582 | 1166 movwf win_height |
| 1167 rcall TFT_box | |
| 0 | 1168 |
| 582 | 1169 ;---- BOTTOM line -------------------------------------------------------- |
| 623 | 1170 movff tft_save_top,PRODL ; get back top |
| 1171 movff tft_save_height,WREG ; get back height | |
| 1172 addwf PRODL,W ; top + height | |
| 1173 decf WREG ; top + height - 1 | |
| 1174 movwf win_top ; top + height - 1 --> top | |
| 582 | 1175 rcall TFT_box |
| 0 | 1176 |
| 582 | 1177 ;---- LEFT column -------------------------------------------------------- |
| 623 | 1178 movff tft_save_top,win_top ; restore top/height |
| 1179 movff tft_save_height,win_height | |
| 1180 movlw .1 ; column ~ width = 1 | |
| 582 | 1181 movwf win_width+0 |
| 1182 rcall TFT_box | |
| 1183 | |
| 1184 ;---- RIGHT column ------------------------------------------------------- | |
| 623 | 1185 movff tft_save_left,WREG |
| 1186 movff tft_save_width,PRODL | |
| 582 | 1187 addwf PRODL,W |
| 1188 decf WREG | |
| 1189 movwf win_leftx2 | |
| 1190 rcall TFT_box | |
| 1191 | |
| 1192 ;---- Restore everything ------------------------------------------------- | |
| 623 | 1193 movff tft_save_left,win_leftx2 |
| 631 | 1194 movff tft_save_width,win_width+0 |
| 582 | 1195 return |
| 0 | 1196 |
| 634 | 1197 ;----------------------------------------------------------------------------- |
| 604 | 1198 ; TFT_box: fills current box with current color |
| 1199 ; Inputs : win_top, win_leftx2, win_height, win_width, win_color1, win_color2 | |
| 0 | 1200 ; Outputs: (none) |
| 1201 ; Trashed: WREG, PROD | |
| 634 | 1202 ; |
| 582 | 1203 global TFT_box |
| 0 | 1204 TFT_box: |
| 582 | 1205 ;---- Define Window ------------------------------------------------------ |
| 1206 bcf STATUS,C | |
| 1207 rlcf win_width+0,F | |
| 1208 rlcf win_width+1,F ; x2 | |
| 604 | 1209 rcall TFT_box_write ; setup box |
| 0 | 1210 |
| 582 | 1211 bcf STATUS,C |
| 1212 rrcf win_width+1,F ; width /= 2 | |
| 1213 rrcf win_width+0,F | |
| 0 | 1214 |
| 582 | 1215 ;---- Fill Window -------------------------------------------------------- |
| 604 | 1216 Index_out 0x22 ; frame memory data write start |
| 1217 clrf PRODH ; column counter | |
| 1218 RS_H ; data | |
| 0 | 1219 |
| 628 | 1220 btfsc screen_type2 ; display type 2 ? |
| 1221 bra TFT_box_display2 ; YES | |
| 1222 btfsc screen_type3 ; display type 3 ? | |
| 1223 bra TFT_box_display3 ; YES | |
| 1224 | |
| 604 | 1225 TFT_box2: ; loop height times |
| 0 | 1226 movff win_height,PRODL |
| 1227 | |
| 582 | 1228 TFT_box3: ; loop width times |
| 623 | 1229 bcf INTCON,GIE |
| 604 | 1230 movff win_color1,PORTA ; upper |
| 1231 movff win_color2,PORTH ; lower | |
| 634 | 1232 WR_L ; tick |
| 1233 WR_H ; ... | |
| 1234 WR_L ; tick | |
| 1235 WR_H ; ... | |
| 582 | 1236 bsf INTCON,GIE |
| 1237 decfsz PRODL,F ; row loop finished ? | |
| 604 | 1238 bra TFT_box3 ; NO - continue |
| 0 | 1239 |
| 582 | 1240 incf PRODH,F ; column count ++ |
| 628 | 1241 movf win_bargraph,W ; get width of active bargraph part |
| 1242 cpfseq PRODH ; current column == end of active bargraph ? | |
| 604 | 1243 bra TFT_box4 ; NO - just loop |
| 628 | 1244 clrf win_color1 ; YES - switch to black |
| 604 | 1245 clrf win_color2 ; - ... |
| 0 | 1246 TFT_box4: |
| 628 | 1247 movf win_width+0,W ; get total bargraph width |
| 1248 xorwf PRODH,W ; all columns done? | |
| 1249 bnz TFT_box2 ; NO - loop | |
| 0 | 1250 |
| 582 | 1251 movlw 0x00 ; NOP, to stop window mode |
| 1252 rcall TFT_CmdWrite | |
| 0 | 1253 |
| 604 | 1254 ; reset bargraph mode... |
| 582 | 1255 setf win_bargraph |
| 1256 return | |
| 623 | 1257 |
| 608 | 1258 TFT_box_display2: |
| 628 | 1259 ; Screen 2 |
| 608 | 1260 movff win_color1,PRODH |
| 1261 movff win_color2,PRODL | |
| 1262 rcall convert_for_display2 | |
| 631 | 1263 clrf PRODH ; column counter |
| 623 | 1264 TFT_box2_display2: ; loop height times |
| 608 | 1265 movff win_height,PRODL |
| 623 | 1266 TFT_box3_display2: ; loop width times |
| 608 | 1267 movff win_color5,PORTH |
| 623 | 1268 bcf tft_nwr |
| 1269 bsf tft_nwr ; upper | |
| 608 | 1270 movff win_color4,PORTH |
| 1271 bcf tft_nwr | |
| 623 | 1272 bsf tft_nwr ; high |
| 608 | 1273 movff win_color3,PORTH |
| 1274 bcf tft_nwr | |
| 623 | 1275 bsf tft_nwr ; low |
| 608 | 1276 |
| 1277 movff win_color5,PORTH | |
| 1278 bcf tft_nwr | |
| 623 | 1279 bsf tft_nwr ; upper |
| 608 | 1280 movff win_color4,PORTH |
| 1281 bcf tft_nwr | |
| 623 | 1282 bsf tft_nwr ; high |
| 608 | 1283 movff win_color3,PORTH |
| 1284 bcf tft_nwr | |
| 623 | 1285 bsf tft_nwr ; low |
| 1286 decfsz PRODL,F ; row loop finished? | |
| 1287 bra TFT_box3_display2 ; NO - loop | |
| 1288 incf PRODH,F ; YES - column count ++ | |
| 1289 movf win_bargraph,W ; - get bargraph width | |
| 1290 cpfseq PRODH ; - current column = bargraph ? | |
| 1291 bra TFT_box4_display2 ; NO | |
| 1292 clrf win_color5 ; YES - switch to black | |
| 1293 clrf win_color4 ; - ... | |
| 1294 clrf win_color3 ; - ... | |
| 608 | 1295 TFT_box4_display2: |
| 623 | 1296 movf win_width+0,W ; get width |
| 1297 cpfseq PRODH ; width loop finished ? | |
| 1298 bra TFT_box2_display2 ; NO - loop | |
| 1299 setf win_bargraph ; YES - reset bargraph mode | |
| 1300 return ; - done | |
| 0 | 1301 |
| 628 | 1302 TFT_box_display3: |
| 1303 ; Screen 3 | |
| 1304 TFT_box2_display3: ; loop height times | |
| 1305 movff win_height,PRODL | |
| 1306 TFT_box3_display3: ; loop width times | |
| 1307 movff win_color1,PORTH | |
| 1308 bcf tft_nwr | |
| 1309 bsf tft_nwr ; upper | |
| 1310 movff win_color2,PORTH | |
| 1311 bcf tft_nwr | |
| 1312 bsf tft_nwr ; high | |
| 1313 movff win_color1,PORTH | |
| 1314 bcf tft_nwr | |
| 1315 bsf tft_nwr ; low | |
| 1316 movff win_color2,PORTH | |
| 1317 bcf tft_nwr | |
| 1318 bsf tft_nwr ; upper | |
| 1319 decfsz PRODL,F ; row loop finished? | |
| 1320 bra TFT_box3_display3 ; NO - loop | |
| 1321 incf PRODH,F ; YES - column count ++ | |
| 1322 movf win_bargraph,W ; - get bargraph width | |
| 1323 cpfseq PRODH ; - current column = bargraph ? | |
| 1324 bra TFT_box4_display3 ; NO | |
| 1325 clrf win_color1 ; Yes - switch to black | |
| 1326 clrf win_color2 ; - ... | |
| 1327 TFT_box4_display3: | |
| 1328 movf win_width+0,W ; get width | |
| 1329 cpfseq PRODH ; width loop finished ? | |
| 1330 bra TFT_box2_display3 ; NO - loop | |
| 1331 setf win_bargraph ; YES - reset bargraph mode | |
| 1332 return | |
| 1333 | |
| 0 | 1334 |
| 634 | 1335 ;----------------------------------------------------------------------------- |
| 1336 ; Convert 8 bit RGB b'RRRGGGBB' into 16 bit RGB b'RRRRRGGGGGGBBBBB' | |
| 1337 ; WREG win_color1 win_color2 | |
| 582 | 1338 global TFT_set_color |
| 0 | 1339 TFT_set_color: |
| 631 | 1340 movwf tft_temp1 ; get 8 bit RGB b'RRRGGGBB' into tft_temp1... |
| 634 | 1341 movwf tft_temp2 ; ... and tft_temp2 |
| 0 | 1342 |
| 604 | 1343 ; mask bit 7,6,5,4,3,2 |
| 0 | 1344 movlw b'00000011' |
| 1345 andwf tft_temp2,F | |
| 1346 | |
| 1347 movlw b'00000000' | |
| 1348 dcfsnz tft_temp2,F | |
| 1349 movlw b'01010000' | |
| 1350 dcfsnz tft_temp2,F | |
| 1351 movlw b'10100000' | |
| 1352 dcfsnz tft_temp2,F | |
| 1353 movlw b'11111000' | |
| 604 | 1354 movwf tft_temp3 ; blue done |
| 0 | 1355 |
| 604 | 1356 movff tft_temp1,tft_temp2 ; copy |
| 1357 ; mask bit 7,6,5,1,0 | |
| 0 | 1358 movlw b'00011100' |
| 1359 andwf tft_temp2,F | |
| 1360 rrncf tft_temp2,F | |
| 1361 rrncf tft_temp2,F | |
| 1362 | |
| 1363 movlw b'00000000' | |
| 1364 dcfsnz tft_temp2,F | |
| 1365 movlw b'00000100' | |
| 1366 dcfsnz tft_temp2,F | |
| 1367 movlw b'00001000' | |
| 1368 dcfsnz tft_temp2,F | |
| 1369 movlw b'00001100' | |
| 1370 dcfsnz tft_temp2,F | |
| 1371 movlw b'00010000' | |
| 1372 dcfsnz tft_temp2,F | |
| 1373 movlw b'00010100' | |
| 1374 dcfsnz tft_temp2,F | |
| 1375 movlw b'00100000' | |
| 1376 dcfsnz tft_temp2,F | |
| 1377 movlw b'00111111' | |
| 582 | 1378 movwf tft_temp4 |
| 0 | 1379 |
| 1380 rrcf tft_temp4,F | |
| 1381 rrcf tft_temp3,F | |
| 1382 | |
| 1383 rrcf tft_temp4,F | |
| 1384 rrcf tft_temp3,F | |
| 1385 | |
| 1386 rrcf tft_temp4,F | |
| 604 | 1387 rrcf tft_temp3,W ; tft_temp3 (b'GGGBBBBB') done |
| 1388 movwf win_color2 ; set color registers... | |
| 0 | 1389 |
| 604 | 1390 movff tft_temp1,tft_temp2 ; copy |
| 0 | 1391 clrf tft_temp1 |
| 1392 | |
| 1393 rrcf tft_temp4,F | |
| 1394 rrcf tft_temp1,F | |
| 1395 | |
| 1396 rrcf tft_temp4,F | |
| 1397 rrcf tft_temp1,F | |
| 1398 | |
| 1399 rrcf tft_temp4,F | |
| 604 | 1400 rrcf tft_temp1,F ; green done |
| 0 | 1401 |
| 604 | 1402 ; mask bit 4,3,2,1,0 |
| 0 | 1403 movlw b'11100000' |
| 1404 andwf tft_temp2,F | |
| 1405 | |
| 1406 rrncf tft_temp2,F | |
| 1407 rrncf tft_temp2,F | |
| 1408 rrncf tft_temp2,F | |
| 1409 rrncf tft_temp2,F | |
| 1410 rrncf tft_temp2,F | |
| 1411 | |
| 1412 movlw b'00000000' | |
| 1413 dcfsnz tft_temp2,F | |
| 1414 movlw b'00000100' | |
| 1415 dcfsnz tft_temp2,F | |
| 1416 movlw b'00001000' | |
| 1417 dcfsnz tft_temp2,F | |
| 1418 movlw b'00001100' | |
| 1419 dcfsnz tft_temp2,F | |
| 1420 movlw b'00010000' | |
| 1421 dcfsnz tft_temp2,F | |
| 1422 movlw b'00010100' | |
| 1423 dcfsnz tft_temp2,F | |
| 1424 movlw b'00100000' | |
| 1425 dcfsnz tft_temp2,F | |
| 1426 movlw b'00111111' | |
| 582 | 1427 movwf tft_temp4 |
| 0 | 1428 |
| 1429 rrcf tft_temp4,F | |
| 1430 rrcf tft_temp1,F | |
| 1431 | |
| 1432 rrcf tft_temp4,F | |
| 604 | 1433 rrcf tft_temp1,F |
| 0 | 1434 |
| 1435 rrcf tft_temp4,F | |
| 1436 rrcf tft_temp1,F | |
| 1437 | |
| 1438 rrcf tft_temp4,F | |
| 1439 rrcf tft_temp1,F | |
| 1440 | |
| 1441 rrcf tft_temp4,F | |
| 604 | 1442 rrcf tft_temp1,W ; red done |
| 1443 movwf win_color1 ; set color registers | |
| 0 | 1444 return |
| 623 | 1445 |
| 1446 | |
| 608 | 1447 global convert_for_display2 |
| 623 | 1448 convert_for_display2: ; convert 16 bit RGB b'RRRRRGGG GGGBBBBB' into 24 bit RGB b'RRRRRR00 GGGGGG00 BBBBBB00' |
| 1449 ; PRODH PRODL win_color5 win_color4 win_color3 | |
| 1450 ; Red | |
| 1451 movff PRODH,win_color5 ; = RRRRRGGG | |
| 1452 bcf win_color5,2 ; = RRRRR0GG | |
| 1453 btfsc win_color5,7 | |
| 1454 bsf win_color5,2 ; = RRRRR1GG the lower two bits are ignored by the screen | |
| 1455 ; Blue | |
| 1456 movff PRODL,win_color3 | |
| 1457 rrcf win_color3,F ; = UGGGBBBB and the LSB-blue into carry | |
| 1458 swapf win_color3,F ; = BBBBUGGG | |
| 1459 bcf win_color3,3 ; = BBBB0GGG | |
| 608 | 1460 btfsc STATUS,C |
| 623 | 1461 bsf win_color3,3 ; = BBBB1GGG |
| 1462 bcf win_color3,2 ; = BBBBB0GG | |
| 1463 btfsc win_color3,7 | |
| 1464 bsf win_color3,2 ; = BBBBB1GG | |
| 1465 ; Green | |
| 1466 rrcf PRODH,F | |
| 1467 rrcf PRODL,F | |
| 1468 rrcf PRODH,F | |
| 1469 rrcf PRODL,F | |
| 1470 rrcf PRODH,F | |
| 1471 rrcf PRODL,F ; = GGGGGGBB the lower two bits are ignored by the screen | |
| 1472 movff PRODL,win_color4 | |
| 608 | 1473 return |
| 623 | 1474 |
| 0 | 1475 |
| 634 | 1476 ;----------------------------------------------------------------------------- |
| 0 | 1477 |
| 604 | 1478 IFDEF _screendump |
| 1479 | |
| 623 | 1480 ;----------------------------------------------------------------------------- |
| 1481 ; Dump screen contents to the UART | |
| 1482 ; | |
| 604 | 1483 global TFT_dump_screen_check |
| 1484 TFT_dump_screen_check: | |
| 1485 btfss vusb_in ; USB (still) plugged in? | |
| 623 | 1486 bcf screen_dump_avail ; NO - disable screen dump function |
| 631 | 1487 |
| 1488 SERIAL_CC_RECEIVE WREG ; try to read a byte from RS232 | |
| 623 | 1489 btfsc rs232_rx_timeout ; anything received? |
| 631 | 1490 return ; NO - done |
| 1491 xorlw "l" ; YES - exclusive-or with coding of screen dump command | |
| 1492 tstfsz WREG ; - screen dump command received? | |
| 604 | 1493 return ; NO - return |
| 631 | 1494 ;bra TFT_dump_screen ; YES - serve screen dump request |
| 623 | 1495 |
| 631 | 1496 global TFT_dump_screen |
| 623 | 1497 TFT_dump_screen: |
| 1498 btfsc screen_type2 ; is this an OSTC with a screen of type 2? | |
| 631 | 1499 return ; YES - not supported, abort |
| 623 | 1500 bsf block_sensor_interrupt ; NO - disable sensor interrupts |
| 631 | 1501 SERIAL_LC_SEND 'l' ; - send command acknowledge |
| 1502 | |
| 604 | 1503 |
| 582 | 1504 ;---- Send DISPLAY box command for the full screen window ------------------- |
| 604 | 1505 Index_out 0x50 ; window horizontal start address |
| 582 | 1506 Parameter_out 0x00, 0x00 ; 0-239 |
| 604 | 1507 Index_out 0x51 ; window horizontal end address |
| 582 | 1508 Parameter_out 0x00, 0xEF ; 0-239 |
| 604 | 1509 Index_out 0x52 ; window vertical start address |
| 582 | 1510 Parameter_out 0x00, 0x00 ; 0-319 |
| 604 | 1511 Index_out 0x53 ; window vertical end address |
| 582 | 1512 Parameter_out 0x01, 0x3F ; 0-319 |
| 0 | 1513 |
| 582 | 1514 clrf ds_column |
| 1515 rcall dump_screen_pixel_reset | |
| 0 | 1516 dump_screen_1: |
| 582 | 1517 btg LEDr ; LED activity toggle |
| 631 | 1518 ; dump even column |
| 604 | 1519 movlw .240 ; 240 lines, once |
| 582 | 1520 movwf ds_line |
| 0 | 1521 dump_screen_2: |
| 604 | 1522 Index_out 0x20 ; frame memory horizontal address |
| 582 | 1523 movff ds_line,WREG ; d'0' ... d'239' |
| 604 | 1524 mullw .1 ; copy row to PRODH:L |
| 582 | 1525 rcall TFT_DataWrite_PROD |
| 0 | 1526 |
| 623 | 1527 movff ds_column,WREG ; initialize X position |
| 1528 mullw .2 ; ds_column x 2 -> PRODH:PRODL | |
| 604 | 1529 rcall pixel_write_col320 ; start address vertical (.0 - .319) |
| 0 | 1530 |
| 582 | 1531 rcall TFT_DataRead_PROD ; read pixel |
| 1532 rcall dump_screen_pixel | |
| 0 | 1533 |
| 582 | 1534 decfsz ds_line,F |
| 1535 bra dump_screen_2 | |
| 1536 rcall dump_screen_pixel_flush | |
| 0 | 1537 |
| 631 | 1538 ; dump odd column |
| 604 | 1539 movlw .240 ; 240 lines, twice |
| 582 | 1540 movwf ds_line |
| 0 | 1541 dump_screen_3: |
| 604 | 1542 Index_out 0x20 ; frame memory horizontal address |
| 582 | 1543 movff ds_line,WREG ; d'0' ... d'239' |
| 623 | 1544 mullw .1 ; copy row to PRODH:L |
| 582 | 1545 rcall TFT_DataWrite_PROD |
| 0 | 1546 |
| 623 | 1547 movff ds_column,WREG ; initialize X position |
| 1548 mullw .2 ; ds_column x 2 -> PRODH:PRODL | |
| 1549 INCI PROD ; PROD++ | |
| 604 | 1550 rcall pixel_write_col320 ; start address vertical (.0 - .319) |
| 0 | 1551 |
| 582 | 1552 rcall TFT_DataRead_PROD ; read pixel |
| 631 | 1553 rcall dump_screen_pixel ; compress and send pixel |
| 0 | 1554 |
| 582 | 1555 decfsz ds_line,F |
| 1556 bra dump_screen_3 | |
| 1557 rcall dump_screen_pixel_flush | |
| 0 | 1558 |
| 582 | 1559 incf ds_column,F |
| 1560 movlw .160 | |
| 1561 cpfseq ds_column | |
| 1562 bra dump_screen_1 | |
| 0 | 1563 |
| 623 | 1564 bcf block_sensor_interrupt ; re-enable sensor interrupts |
| 604 | 1565 clrf RCREG1 ; clear receive buffer |
| 1566 bcf RCSTA1,CREN ; clear receiver status | |
| 631 | 1567 bsf RCSTA1,CREN ; ... |
| 623 | 1568 bsf screen_dump_avail ; enable screen dump function |
| 582 | 1569 return |
| 0 | 1570 |
| 623 | 1571 ;----------------------------------------------------------------------------- |
| 0 | 1572 ; Pixel compression |
| 1573 ; | |
| 604 | 1574 ; Input : PRODH:L = pixel |
| 0 | 1575 ; Output: Compressed stream on output. |
| 1576 ; Compressed format: | |
| 604 | 1577 ; 0ccccccc : BLACK pixel, repeated ccccccc+1 times (1..128) |
| 1578 ; 11cccccc : WHITE pixel, repeated cccccc+1 times (1.. 64) | |
| 1579 ; 10cccccc HIGH LOW : color pixel (H:L) repeated ccccc+1 times (1.. 64) | |
| 623 | 1580 ; |
| 0 | 1581 dump_screen_pixel: |
| 604 | 1582 movf PRODH,W ; compare pixel-high |
| 582 | 1583 xorwf ds_pixel+1,W |
| 604 | 1584 bnz dump_screen_pixel_1 ; different -> dump |
| 0 | 1585 |
| 604 | 1586 movf PRODL,W ; compare pixel-low |
| 582 | 1587 xorwf ds_pixel+0,W |
| 604 | 1588 bnz dump_screen_pixel_1 ; different -> dump |
| 0 | 1589 |
| 604 | 1590 incf ds_count,F ; same color: just increment |
| 582 | 1591 return |
| 0 | 1592 |
| 604 | 1593 dump_screen_pixel_1: ; send (pixel,count) tuple |
| 1594 movf ds_count,W ; is count zero ? | |
| 1595 bz dump_screen_pixel_2 ; YES - skip sending | |
| 0 | 1596 |
| 604 | 1597 movf ds_pixel+1,W ; is this a BLACK pixel ? |
| 582 | 1598 iorwf ds_pixel+0,W |
| 604 | 1599 bz dump_screen_pix_black ; YES |
| 0 | 1600 |
| 604 | 1601 movf ds_pixel+1,W ; is this a white pixel ? |
| 582 | 1602 andwf ds_pixel+0,W |
| 1603 incf WREG | |
| 604 | 1604 bz dump_screen_pix_white ; YES |
| 0 | 1605 |
| 582 | 1606 ; No: write the pixel itself... |
| 604 | 1607 movlw .64 ; max color pixel on a single byte |
| 1608 cpfsgt ds_count ; skip if count > 64 | |
| 582 | 1609 movf ds_count,W ; W <- min(64,count) |
| 1610 subwf ds_count,F ; ds_count <- ds_count-W | |
| 604 | 1611 decf WREG ; save as 0..63 |
| 1612 iorlw b'10000000' ; mark as a color pixel | |
| 0 | 1613 |
| 631 | 1614 SERIAL_CC_SEND WREG ; send byte in WREG |
| 1615 SERIAL_CC_SEND ds_pixel+1 ; send bytes in ds_pixel, high byte first | |
| 1616 SERIAL_CC_SEND ds_pixel+0 ; low byte last | |
| 1617 | |
| 582 | 1618 bra dump_screen_pixel_1 |
| 0 | 1619 |
| 1620 dump_screen_pixel_2: | |
| 604 | 1621 movff PRODH,ds_pixel+1 ; save new pixel color |
| 582 | 1622 movff PRODL,ds_pixel+0 |
| 1623 movlw 1 | |
| 604 | 1624 movwf ds_count ; and set count=1 |
| 582 | 1625 return |
| 0 | 1626 |
| 1627 dump_screen_pix_black: | |
| 604 | 1628 movlw .128 ; max black pixel on a single byte |
| 1629 cpfsgt ds_count ; skip if count > 128 | |
| 582 | 1630 movf ds_count,W ; W <- min(128,count) |
| 1631 subwf ds_count,F ; ds_count <- ds_count-W | |
| 604 | 1632 decf WREG ; save as 0..127 |
| 623 | 1633 |
| 0 | 1634 dump_screen_pix_3: |
| 631 | 1635 SERIAL_CC_SEND WREG ; send byte in WREG |
| 604 | 1636 bra dump_screen_pixel_1 ; more to dump ? |
| 0 | 1637 |
| 1638 dump_screen_pix_white: | |
| 604 | 1639 movlw .64 ; max white pixel on a single byte |
| 1640 cpfsgt ds_count ; skip if count > 64 | |
| 582 | 1641 movf ds_count,W ; W <- min(64,count) |
| 1642 subwf ds_count,F ; ds_count <- ds_count-W | |
| 631 | 1643 decf WREG ; save as 0..63 |
| 604 | 1644 iorlw b'11000000' ; mark as a compressed white |
| 631 | 1645 bra dump_screen_pix_3 ; send pixel |
| 0 | 1646 |
| 1647 dump_screen_pixel_flush: | |
| 582 | 1648 clrf PRODH |
| 1649 clrf PRODL | |
| 604 | 1650 rcall dump_screen_pixel_1 ; send it |
| 0 | 1651 dump_screen_pixel_reset: |
| 604 | 1652 clrf ds_count ; clear count |
| 582 | 1653 return |
| 0 | 1654 |
| 623 | 1655 ENDIF ; _screendump |
| 1656 | |
| 634 | 1657 ;----------------------------------------------------------------------------- |
| 604 | 1658 |
| 582 | 1659 END |