Mercurial > public > hwos_code
annotate src/tft.asm @ 648:aeca5717d9eb
3.17 / 10.72 release
| author | heinrichs weikamp |
|---|---|
| date | Fri, 04 Mar 2022 08:29:36 +0100 |
| parents | 5b7fe7777425 |
| children | 75e90cd0c2c3 |
| 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 | |
| 648 | 97 |
| 98 btfsc less_io_cpu ; less I/O CPU? | |
| 99 clrf PORTA ; YES, data lower | |
| 100 btfss less_io_cpu ; less I/O CPU? | |
| 101 clrf PORTH ; NO, data lower | |
| 0 | 102 |
| 103 movlw d'10' | |
| 104 movwf tft_temp3 | |
| 105 TFT_ClearScreen2: | |
| 106 movlw d'30' | |
| 107 movwf tft_temp2 | |
| 108 TFT_ClearScreen3: | |
| 604 | 109 clrf tft_temp1 ; 30*10*256=76800 pixels -> clear complete 240*320 |
| 582 | 110 bcf INTCON,GIE |
| 0 | 111 TFT_ClearScreen4: |
| 112 WR_L | |
| 604 | 113 WR_H ; tick |
| 648 | 114 btfss less_io_cpu ; less I/O CPU? |
| 115 bra TFT_ClearScreen5 ; NO | |
| 116 WR_L | |
| 117 WR_H ; tick | |
| 118 WR_L | |
| 119 WR_H ; tick | |
| 120 WR_L | |
| 121 WR_H ; tick | |
| 122 TFT_ClearScreen5: | |
| 0 | 123 decfsz tft_temp1,F |
| 124 bra TFT_ClearScreen4 | |
| 582 | 125 bsf INTCON,GIE |
| 0 | 126 decfsz tft_temp2,F |
| 127 bra TFT_ClearScreen3 | |
| 128 decfsz tft_temp3,F | |
| 129 bra TFT_ClearScreen2 | |
| 582 | 130 |
| 131 movlw 0x00 ; NOP, to stop window mode | |
| 604 | 132 bra TFT_CmdWrite ; and return |
| 582 | 133 |
| 623 | 134 TFT_ClearScreen_display2: |
| 135 movlw 0x02 ; column address start | |
| 608 | 136 rcall TFT_CmdWrite |
| 137 movlw 0x00 | |
| 138 rcall TFT_DataWrite | |
| 139 movlw 0x03 | |
| 140 rcall TFT_CmdWrite | |
| 141 movlw 0x00 | |
| 142 rcall TFT_DataWrite | |
| 143 | |
| 623 | 144 movlw 0x04 ; column address end |
| 608 | 145 rcall TFT_CmdWrite |
| 146 movlw 0x00 | |
| 147 rcall TFT_DataWrite | |
| 148 movlw 0x05 | |
| 149 rcall TFT_CmdWrite | |
| 150 movlw 0xEF | |
| 151 rcall TFT_DataWrite | |
| 152 | |
| 623 | 153 movlw 0x06 ; row address start |
| 608 | 154 rcall TFT_CmdWrite |
| 155 movlw 0x00 | |
| 156 rcall TFT_DataWrite | |
| 157 movlw 0x07 | |
| 158 rcall TFT_CmdWrite | |
| 159 movlw 0x00 | |
| 160 rcall TFT_DataWrite | |
| 161 | |
| 623 | 162 movlw 0x08 ; row address end |
| 608 | 163 rcall TFT_CmdWrite |
| 164 movlw 0x01 | |
| 165 rcall TFT_DataWrite | |
| 166 movlw 0x09 | |
| 167 rcall TFT_CmdWrite | |
| 168 movlw 0x3F | |
| 169 rcall TFT_DataWrite | |
| 170 | |
| 623 | 171 movlw 0x22 ; start writing data to GRAM |
| 608 | 172 rcall TFT_CmdWrite |
| 173 | |
| 628 | 174 movlw .160 ; 160 x 240 x 6 = 230400 ticks |
| 175 TFT_ClearScreen_display2_loop0: | |
| 623 | 176 bsf tft_rs ; data! |
| 608 | 177 movwf PRODH |
| 178 clrf PORTH | |
| 623 | 179 TFT_ClearScreen_display2_loop1: |
| 608 | 180 movlw .240 |
| 181 movwf PRODL | |
| 623 | 182 TFT_ClearScreen_display2_loop2: |
| 608 | 183 bcf tft_nwr |
| 623 | 184 bsf tft_nwr ; upper |
| 608 | 185 bcf tft_nwr |
| 623 | 186 bsf tft_nwr ; high |
| 608 | 187 bcf tft_nwr |
| 623 | 188 bsf tft_nwr ; lower |
| 608 | 189 bcf tft_nwr |
| 623 | 190 bsf tft_nwr ; upper |
| 608 | 191 bcf tft_nwr |
| 623 | 192 bsf tft_nwr ; high |
| 608 | 193 bcf tft_nwr |
| 623 | 194 bsf tft_nwr ; lower |
| 608 | 195 decfsz PRODL,F |
| 623 | 196 bra TFT_ClearScreen_display2_loop2 |
| 608 | 197 decfsz PRODH,F |
| 623 | 198 bra TFT_ClearScreen_display2_loop1 |
| 199 return | |
| 0 | 200 |
| 628 | 201 TFT_ClearScreen_display3: |
| 202 movlw 0x35 ; vertical start address HIGH:LOW | |
| 203 rcall TFT_CmdWrite | |
| 631 | 204 mullw 0 |
| 628 | 205 rcall TFT_DataWrite_PROD |
| 206 | |
| 207 movlw 0x36 ; vertical end address HIGH:LOW | |
| 208 rcall TFT_CmdWrite | |
| 209 movlw 0x01 | |
| 210 rcall TFT_DataWrite | |
| 211 movlw 0x3F | |
| 212 rcall TFT_DataWrite | |
| 213 | |
| 214 movlw 0x37 ; horizontal address START:END | |
| 215 rcall TFT_CmdWrite | |
| 216 movlw 0x00 | |
| 217 rcall TFT_DataWrite | |
| 218 movlw 0xEF | |
| 219 rcall TFT_DataWrite | |
| 220 | |
| 221 movlw 0x20 ; start address horizontal (.0 - .239) | |
| 222 rcall TFT_CmdWrite | |
| 223 rcall TFT_DataWrite_PROD | |
| 224 | |
| 225 movlw 0x21 ; start address vertical (.0 - .319) | |
| 226 rcall TFT_CmdWrite | |
| 227 rcall TFT_DataWrite_PROD | |
| 228 | |
| 229 movlw 0x22 ; start writing data to GRAM | |
| 230 rcall TFT_CmdWrite | |
| 231 | |
| 232 movlw .107 ; 107 x 240 x 6 = 154080 ticks (153600 would be enough) | |
| 233 bra TFT_ClearScreen_display2_loop0 | |
| 234 | |
| 235 | |
| 582 | 236 global TFT_DisplayOff |
| 0 | 237 TFT_DisplayOff: |
| 628 | 238 bcf lightsen_power ; power-down light sensor |
| 631 | 239 btfsc screen_type3 ; screen type 3 ? |
| 240 bra TFT_DisplayOff_display3 ; YES - screen needs special power-down sequence | |
| 241 clrf CCP1CON ; NO - stop PWM | |
| 242 bcf PORTC,2 ; - pull PWM out to GND | |
| 0 | 243 clrf PORTA |
| 582 | 244 clrf PORTH |
| 623 | 245 RD_L ; LOW |
| 246 RS_L ; LOW | |
| 640 | 247 WR_L |
| 248 NCS_L | |
| 623 | 249 bcf tft_nreset |
| 250 bsf tft_power ; inverted... | |
| 628 | 251 return |
| 252 | |
| 253 TFT_DisplayOff_display3: | |
| 254 movlw 0x05 | |
| 255 rcall TFT_CmdWrite | |
| 256 movlw 0x00 | |
| 257 rcall TFT_DataWrite | |
| 258 movlw 0x00 | |
| 259 rcall TFT_DataWrite | |
| 260 WAITMS d'32' | |
| 261 clrf CCP1CON ; stop PWM | |
| 262 bcf PORTC,2 ; pull PWM out to GND | |
| 263 WAITMS d'32' | |
| 264 movlw 0x10 | |
| 265 rcall TFT_CmdWrite | |
| 266 movlw 0x00 | |
| 267 rcall TFT_DataWrite | |
| 268 movlw 0x01 | |
| 269 rcall TFT_DataWrite | |
| 270 WAITMS d'100' | |
| 271 clrf PORTH | |
| 272 bcf tft_nwr | |
| 273 bcf tft_cs | |
| 274 bcf tft_nreset | |
| 275 WAITMS d'10' | |
| 276 bsf tft_power ; inverted... | |
| 0 | 277 return |
| 278 | |
| 279 ; ----------------------------- | |
| 280 ; TFT boot | |
| 281 ; ----------------------------- | |
| 582 | 282 |
| 283 global TFT_boot | |
| 0 | 284 TFT_boot: |
| 623 | 285 ; switch off backlight |
| 286 clrf CCP1CON ; stop PWM | |
| 287 bcf PORTC,2 ; pull PWM out to GND | |
| 288 | |
| 0 | 289 clrf PORTA |
| 290 clrf PORTH | |
| 628 | 291 |
| 0 | 292 RD_L ; LOW |
| 293 nop | |
| 628 | 294 WR_L |
| 295 nop | |
| 296 NCS_L ; Not CS | |
| 0 | 297 nop |
| 298 bcf tft_nreset | |
| 299 WAITMS d'1' | |
| 300 bcf tft_power ; inverted... | |
| 301 WAITMS d'1' | |
| 302 RD_H ; Keep high | |
| 628 | 303 nop |
| 0 | 304 WAITMS d'2' |
| 305 bsf tft_nreset | |
| 461 | 306 WAITMS d'5' |
| 307 bcf tft_nreset | |
| 308 WAITMS d'5' | |
| 309 bsf tft_nreset | |
| 0 | 310 WAITMS d'150' |
| 628 | 311 WR_H ; release bus |
| 604 | 312 bsf lightsen_power ; supply power to light sensor |
| 0 | 313 |
| 628 | 314 btfsc screen_type3 ; display type 3 ? |
| 315 bra TFT_boot_screen3 ; YES | |
| 316 | |
| 582 | 317 ; Data Transfer Synchronization |
| 0 | 318 Parameter_out 0x00, 0x00 |
| 319 Parameter_out 0x00, 0x00 | |
| 582 | 320 |
| 623 | 321 btfsc screen_type2 ; display type 2 ? |
| 322 bra TFT_boot_screen2 ; YES | |
| 608 | 323 |
| 623 | 324 ; Get screen type from Bootloader-Info |
| 582 | 325 movlw 0x7B |
| 326 movwf TBLPTRL | |
| 327 movlw 0xF7 | |
| 328 movwf TBLPTRH | |
| 329 movlw 0x01 | |
| 330 movwf TBLPTRU | |
| 623 | 331 TBLRD*+ ; reads 0x6E for cR and USB OSTC3, 0x00 for BLE (2 and 3), and 0x02 for display 1 OSTC |
| 332 movlw 0x02 ; coding for display 1 | |
| 333 cpfseq TABLAT ; display 1 ? | |
| 334 bra TFT_boot_0 ; NO - display 0 | |
| 360 | 335 |
| 336 TFT_boot_1: | |
| 582 | 337 ; Init through config table... |
| 338 movlw 0x74 | |
| 339 movwf TBLPTRL | |
| 340 movlw 0xF7 | |
| 341 movwf TBLPTRH | |
| 342 movlw 0x01 | |
| 343 movwf TBLPTRU | |
| 628 | 344 bsf screen_type1 |
| 582 | 345 bra TFT_boot_com |
| 360 | 346 |
|
441
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347 TFT_boot_0: |
| 582 | 348 ; Init through config table... |
| 349 movlw LOW display0_config_table | |
| 350 movwf TBLPTRL | |
| 351 movlw HIGH display0_config_table | |
| 352 movwf TBLPTRH | |
| 353 movlw UPPER display0_config_table | |
| 354 movwf TBLPTRU | |
| 648 | 355 btfss less_io_cpu ; less I/O CPU? |
| 356 bcf screen_type1 ; NO | |
| 582 | 357 |
| 360 | 358 TFT_boot_com: |
| 582 | 359 rcall display0_init_loop |
| 0 | 360 |
| 582 | 361 Index_out 0x03 |
| 362 btfsc flip_screen ; 180° rotation ? | |
| 604 | 363 bra TFT_boot2 ; YES |
| 360 | 364 |
| 628 | 365 btfss screen_type1 ; display1? |
| 604 | 366 bra TFT_boot1a ; NO |
| 582 | 367 Parameter_out 0x10, 0x00 ; display1 |
| 368 bra TFT_boot3 | |
| 360 | 369 TFT_boot1a: |
| 582 | 370 Parameter_out 0x50, 0x20 ; display0 |
| 371 bra TFT_boot3 | |
|
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BUGFIX: Clear Setpoint-Fallback warning when in bailout
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372 TFT_boot2: |
| 628 | 373 btfss screen_type1 ; display1? |
| 604 | 374 bra TFT_boot2a ; NO |
| 582 | 375 Parameter_out 0x10, 0x30 ; display1 |
| 376 bra TFT_boot3 | |
| 360 | 377 TFT_boot2a: |
| 582 | 378 Parameter_out 0x50, 0x10 ; display0 |
|
152
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BUGFIX: Clear Setpoint-Fallback warning when in bailout
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379 TFT_boot3: |
| 0 | 380 Index_out 0x22 |
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225
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381 rcall TFT_ClearScreen |
| 0 | 382 Index_out 0x07 |
| 312 | 383 Parameter_out 0x01, 0x33 |
| 0 | 384 return |
| 385 | |
| 386 display0_config_table: | |
| 582 | 387 ; Reg, Dat0, Dat1 or 0xFF,0x00,0x00 for end |
| 388 db 0xA4,0x00,0x01,0xFF,.002,0x00 | |
| 389 db 0x09,0x00,0x01,0x92,0x04,0x00 | |
| 390 db 0x93,0x04,0x02,0x94,0x00,0x02 | |
| 391 db 0x07,0x00,0x00,0x10,0x04,0x30 | |
| 392 db 0x11,0x02,0x37,0x12,0x11,0x8D | |
| 393 db 0x13,0x11,0x00,0x01,0x01,0x00 | |
| 394 db 0x02,0x02,0x00,0x03,0x50,0x20 | |
| 395 db 0x0A,0x00,0x08,0x0D,0x00,0x00 | |
| 396 db 0x0E,0x00,0x30,0xFF,.151,0x00 | |
| 397 db 0x12,0x11,0xBD,0x20,0x00,0x00 | |
| 398 db 0x21,0x00,0x00,0x30,0x06,0x02 | |
| 399 db 0x31,0x56,0x0D,0x32,0x05,0x07 | |
| 400 db 0x33,0x06,0x09,0x34,0x00,0x00 | |
| 401 db 0x35,0x09,0x06,0x36,0x57,0x05 | |
| 402 db 0x37,0x0D,0x06,0x38,0x02,0x06 | |
| 403 db 0x39,0x00,0x00,0xFF,0x00,0x00 | |
| 0 | 404 |
| 405 display0_init_loop: | |
| 582 | 406 TBLRD*+ |
| 407 movlw 0xFF | |
| 408 cpfseq TABLAT | |
| 623 | 409 bra display0_config_write ; write configuration data pair to display |
| 582 | 410 ; Delay ms or quit (return) |
| 411 TBLRD*+ | |
| 623 | 412 tstfsz TABLAT ; end of configuration data? |
| 604 | 413 bra $+4 ; NO |
| 414 return ; YES - done | |
| 582 | 415 movf TABLAT,W |
| 604 | 416 call WAITMSX ; wait WREG milliseconds |
| 417 TBLRD*+ ; dummy read (Third byte of delay command) | |
| 418 bra display0_init_loop ; loop | |
| 0 | 419 |
| 604 | 420 display0_config_write: ; with command in WREG |
| 582 | 421 movf TABLAT,W |
| 604 | 422 rcall TFT_CmdWrite ; write command |
| 423 TBLRD*+ ; get config0 | |
| 582 | 424 movff TABLAT,PORTA |
| 604 | 425 TBLRD*+ ; get config1 |
| 582 | 426 movf TABLAT,W |
| 623 | 427 rcall TFT_DataWrite ; write configuration |
| 604 | 428 bra display0_init_loop ; loop |
| 0 | 429 |
| 623 | 430 |
| 608 | 431 TFT_boot_screen2: |
| 623 | 432 rcall display1_init ; initialization sequence |
| 608 | 433 |
| 623 | 434 btfss flip_screen ; 180° rotation? |
| 435 bra TFT_ClearScreen ; NO - done: clear screen and return | |
| 436 ; flip the GRAM | |
| 437 Index_out 0x16 | |
| 438 movlw 0x48 ; flip image in the GRAM (very elegant with display 2...) | |
| 439 rcall TFT_DataWrite ; Write configuration | |
| 440 bra TFT_ClearScreen ; clear screen and return | |
| 608 | 441 |
| 628 | 442 TFT_boot_screen3: |
| 443 rcall display1_init ; init sequence | |
| 444 rcall TFT_ClearScreen | |
| 445 setf CCPR1L ; duty cycle, 255 is required for OLED | |
| 446 ; Set brightness | |
| 646 | 447 movff brightness,PRODL ; =0: Eco, =1:Medium, =2:Full |
| 628 | 448 incf PRODL,F ; +1 |
| 449 dcfsnz PRODL,F | |
| 450 rcall TFT_display3_low | |
| 451 dcfsnz PRODL,F | |
| 452 rcall TFT_display3_med | |
| 453 dcfsnz PRODL,F | |
| 454 rcall TFT_display3_high | |
| 455 ; ToDo: Flip.... | |
| 456 return | |
| 457 | |
| 608 | 458 display1_init: |
| 623 | 459 movlw LOW (0x1F8BC ) |
| 460 movwf TBLPTRL | |
| 461 movlw HIGH (0x1F8BC & 0xFFFF) | |
| 462 movwf TBLPTRH | |
| 463 movlw UPPER (0x1F8BC ) | |
| 464 movwf TBLPTRU | |
| 608 | 465 display1_init_loop: |
| 623 | 466 TBLRD*+ |
| 467 movlw 0xFF ; coding for end of configuration or wait step | |
| 468 cpfseq TABLAT | |
| 469 bra display1_config_write ; write configuration pair to display | |
| 470 ; Delay ms or quit (return) | |
| 471 TBLRD*+ | |
| 472 tstfsz TABLAT ; end of configuration? | |
| 473 bra $+4 ; NO - skip return | |
| 474 return ; YES - done | |
| 475 movf TABLAT,W ; read waiting time | |
| 476 call WAITMSX ; wait WREG milliseconds | |
| 477 bra display1_init_loop ; loop | |
| 478 display1_config_write: ; with command in WREG | |
| 479 movf TABLAT,W | |
| 480 rcall TFT_CmdWrite ; write command | |
| 481 TBLRD*+ ; get configuration | |
| 482 movf TABLAT,W | |
| 483 rcall TFT_DataWrite ; write configuration | |
| 628 | 484 btfss screen_type3 ; screen 3 ? |
| 485 bra display1_init_loop ; NO - loop | |
| 486 ; Screen 3 gets another byte from the table | |
| 487 TBLRD*+ ; get configuration | |
| 488 movf TABLAT,W | |
| 489 rcall TFT_DataWrite ; write configuration | |
| 623 | 490 bra display1_init_loop ; loop |
| 608 | 491 |
| 623 | 492 |
| 493 global TFT_CmdWrite | |
| 608 | 494 TFT_CmdWrite: |
| 495 RS_L ; command | |
| 628 | 496 ; btfsc screen_type2 |
| 497 ; bra TFT_CmdWrite_screen2 | |
| 608 | 498 clrf PORTA ; upper |
| 499 bcf INTCON,GIE | |
| 648 | 500 btfsc less_io_cpu ; less I/O CPU? |
| 501 bra TFT_CmdWrite_less_io ; YES | |
| 608 | 502 movwf PORTH ; lower |
| 503 WR_L | |
| 504 WR_H ; tick | |
| 505 bsf INTCON,GIE | |
| 506 return | |
| 628 | 507 ;TFT_CmdWrite_screen2: |
| 508 ; movwf PORTH ; lower | |
| 509 ; WR_L | |
| 510 ; WR_H ; tick | |
| 511 ; return; | |
| 608 | 512 |
| 648 | 513 TFT_CmdWrite_less_io: |
| 514 WR_L | |
| 515 WR_H ; tick | |
| 516 movwf PORTA ; lower | |
| 517 WR_L | |
| 518 WR_H ; tick | |
| 519 bsf INTCON,GIE | |
| 520 return | |
| 521 | |
| 608 | 522 global TFT_DataWrite |
| 523 TFT_DataWrite: | |
| 524 RS_H ; data | |
| 628 | 525 ; btfsc screen_type2 |
| 526 ; bra TFT_DataWrite_screen2 | |
| 608 | 527 bcf INTCON,GIE |
| 648 | 528 btfsc less_io_cpu ; less I/O CPU? |
| 529 bra TFT_DataWrite_less_io ; YES | |
| 623 | 530 movwf PORTH ; lower |
| 608 | 531 WR_L |
| 532 WR_H ; tick | |
| 533 bsf INTCON,GIE | |
| 534 return | |
| 628 | 535 ;TFT_DataWrite_screen2: |
| 536 ; movwf PORTH ; lower | |
| 537 ; WR_L | |
| 538 ; WR_H ; tick | |
| 539 ; return | |
| 648 | 540 TFT_DataWrite_less_io: |
| 541 WR_L | |
| 542 WR_H ; tick | |
| 543 movwf PORTA ; lower | |
| 544 WR_L | |
| 545 WR_H ; tick | |
| 546 bsf INTCON,GIE | |
| 547 return | |
| 608 | 548 |
| 623 | 549 |
| 634 | 550 ;----------------------------------------------------------------------------- |
| 0 | 551 ; Smooth lighting-up of the display: |
| 552 ; | |
| 553 ; Trashes: WREG, PRODL | |
| 554 ; Typical usage: | |
| 604 | 555 ; clrf CCPR1L ; backlight off |
| 582 | 556 ; [draw splash screen] |
| 557 ; call TFT_DisplayFadeIn | |
| 634 | 558 ; |
| 582 | 559 global TFT_Display_FadeIn |
| 0 | 560 TFT_Display_FadeIn: |
| 623 | 561 movlw CCP1CON_VALUE ; get configuration |
| 562 movwf CCP1CON ; set configuration | |
| 604 | 563 bsf tft_is_dimming ; TFT is dimming, ignore ambient sensor |
| 628 | 564 btfsc screen_type3 |
| 634 | 565 bra TFT_Display_FadeIn_1 |
| 604 | 566 clrf CCPR1L ; backlight off - to be sure |
| 582 | 567 movff max_CCPR1L,PRODL |
| 0 | 568 TFT_Display_FadeIn_0: |
| 604 | 569 incf CCPR1L,F ; duty cycle |
| 582 | 570 WAITMS d'2' |
| 571 decfsz PRODL,F | |
| 623 | 572 bra TFT_Display_FadeIn_0 |
| 604 | 573 bcf tft_is_dimming ; dimming done |
| 582 | 574 return |
| 628 | 575 TFT_Display_FadeIn_1: |
| 576 setf CCPR1L | |
| 577 return | |
| 0 | 578 |
| 634 | 579 ;----------------------------------------------------------------------------- |
| 0 | 580 ; Smooth lighting-off of the display: |
| 581 ; Trashes: WREG, PRODL | |
| 634 | 582 ; |
| 582 | 583 global TFT_Display_FadeOut |
| 0 | 584 TFT_Display_FadeOut: |
| 582 | 585 movff max_CCPR1L,PRODL |
| 604 | 586 bsf tft_is_dimming ; TFT is dimming, ignore ambient sensor |
| 628 | 587 btfsc screen_type3 |
| 640 | 588 return ; Do not fade out screen type 3 |
| 0 | 589 TFT_Display_FadeOut_0: |
| 604 | 590 movff PRODL,CCPR1L ; duty cycle |
| 582 | 591 WAITMS d'1' |
| 592 decfsz PRODL,F | |
| 593 bra TFT_Display_FadeOut_0 | |
| 628 | 594 TFT_Display_FadeOut_1: |
| 582 | 595 clrf CCPR1L |
| 596 return | |
| 0 | 597 |
| 634 | 598 ;----------------------------------------------------------------------------- |
| 599 ; OLED brightness control | |
| 600 ; | |
| 628 | 601 TFT_display3_high: ; 0x01F8F8 |
| 602 movlw LOW (0x01F8F8 ) | |
| 603 movwf TBLPTRL | |
| 604 movlw HIGH (0x01F8F8 & 0xFFFF) | |
| 605 movwf TBLPTRH | |
| 606 movlw UPPER (0x01F8F8 ) | |
| 607 movwf TBLPTRU | |
| 608 bra display1_init_loop ; and return | |
| 609 | |
| 610 TFT_display3_med: ; 0x01F91C | |
| 611 movlw LOW (0x01F91C ) | |
| 612 movwf TBLPTRL | |
| 613 movlw HIGH (0x01F91C & 0xFFFF) | |
| 614 movwf TBLPTRH | |
| 615 movlw UPPER (0x01F91C ) | |
| 616 movwf TBLPTRU | |
| 617 bra display1_init_loop ; and return | |
| 618 | |
| 619 TFT_display3_low: ; 0x01F8D4 | |
| 620 movlw LOW (0x01F8D4 ) | |
| 621 movwf TBLPTRL | |
| 622 movlw HIGH (0x01F8D4 & 0xFFFF) | |
| 623 movwf TBLPTRH | |
| 624 movlw UPPER (0x01F8D4 ) | |
| 625 movwf TBLPTRU | |
| 626 bra display1_init_loop ; and return | |
| 627 | |
| 0 | 628 |
| 634 | 629 ;----------------------------------------------------------------------------- |
| 630 ; colored (filled) Boxes | |
| 631 ; | |
| 632 global box_std_block, box_black_block, box_color_block, box_color | |
| 0 | 633 |
| 604 | 634 box_std_block: ; use white color |
| 582 | 635 setf WREG |
| 634 | 636 bra box_color_block |
| 604 | 637 box_black_block: ; use black color |
| 582 | 638 clrf WREG |
| 634 | 639 box_color_block: ; use color from WREG |
| 582 | 640 rcall TFT_set_color |
| 641 VARARGS_BEGIN | |
| 642 VARARGS_GET8 win_top | |
| 643 VARARGS_GET8 win_height | |
| 644 VARARGS_GET8 win_leftx2 | |
| 645 VARARGS_GET8 win_width | |
| 646 VARARGS_END | |
| 647 bra TFT_box | |
| 0 | 648 |
| 634 | 649 box_color: ; use color from WREG and pre-set coordinates |
| 650 rcall TFT_set_color | |
| 651 bra TFT_box | |
| 0 | 652 |
| 653 | |
| 634 | 654 ;----------------------------------------------------------------------------- |
| 655 ; colored Frames | |
| 656 ; | |
| 657 global box_frame_std, box_frame_color | |
| 658 | |
| 659 box_frame_std: ; use white color | |
| 582 | 660 setf WREG |
| 634 | 661 box_frame_color: ; use color from WREG |
| 582 | 662 rcall TFT_set_color |
| 663 VARARGS_BEGIN | |
| 664 VARARGS_GET8 win_top | |
| 665 VARARGS_GET8 win_height | |
| 666 VARARGS_GET8 win_leftx2 | |
| 667 VARARGS_GET8 win_width | |
| 668 VARARGS_END | |
| 669 bra TFT_frame | |
| 634 | 670 |
| 0 | 671 |
| 634 | 672 ; ;----------------------------------------------------------------------------- |
| 673 ; ; Init for half_pixel_write | |
| 674 ; ; Set column register on TFT device, and current color. | |
| 675 ; ; Inputs: win_leftx2 | |
| 676 ; ; Outputs: win_color_1/_2 | |
| 677 ; ; Trashed: WREG, PROD | |
| 678 ; ; | |
| 679 ; ; global init_pixel_write | |
| 680 ; ;init_pixel_write: | |
| 681 ; ; movf win_leftx2,W | |
| 682 ; ; mullw 2 | |
| 683 ; ; rcall pixel_write_col320 ; start address vertical (.0 - .319) | |
| 684 ; ; setf WREG | |
| 685 ; ; bra TFT_set_color | |
| 686 | |
| 0 | 687 |
| 688 ;----------------------------------------------------------------------------- | |
| 634 | 689 ; Draw two half-pixels at position (win_top,win_leftx2) |
| 690 ; Inputs: win_leftx2, win_top, win_color_1/_2 | |
| 0 | 691 ; Trashed: WREG, PROD |
| 634 | 692 ; |
| 582 | 693 global pixel_write |
| 0 | 694 pixel_write: |
| 582 | 695 movf win_leftx2,W |
| 623 | 696 mullw .2 ; win_leftx2 x 2 -> PRODH:PRODL |
| 604 | 697 rcall pixel_write_col320 ; start address vertical (.0 - .319) |
| 698 rcall half_pixel_write ; write this half-one | |
| 628 | 699 |
| 604 | 700 movf win_leftx2,W ; address of next one |
| 623 | 701 mullw .2 ; win_leftx2 x 2 -> PRODH:PRODL |
| 702 INCI PROD ; PROD++ | |
| 582 | 703 rcall pixel_write_col320 |
| 628 | 704 bra half_pixel_write ; and return... note: cmd 0x20 is mandatory, because |
| 582 | 705 ; of the auto-increment going vertical |
| 0 | 706 |
| 707 global pixel_write_col320 | |
| 708 pixel_write_col320: | |
| 628 | 709 btfsc screen_type2 ; display type 2 ? |
| 710 bra pixel_write_col320_d2 ; YES | |
| 711 btfsc screen_type1 ; display type 1 ? | |
| 712 bra pixel_write_col320_d1 ; YES | |
| 713 btfsc screen_type3 ; display type 3 ? | |
| 714 bra pixel_write_col320_d3 ; YES | |
| 715 ; NO to all - display type 0 | |
| 582 | 716 btfss flip_screen ; 180° rotation? |
| 604 | 717 bra pixel_write_noflip_H ; NO |
| 718 bra pixel_write_flip_H ; YES | |
| 623 | 719 pixel_write_col320_d1: ; display type 1 |
| 582 | 720 btfsc flip_screen ; 180° rotation? |
| 623 | 721 bra pixel_write_noflip_H ; YES |
| 604 | 722 pixel_write_flip_H: ; flip d0 |
| 723 movf PRODL,W ; 16 bits 319 - PROD --> PROD | |
| 623 | 724 sublw LOW .319 ; 319-W --> W |
| 582 | 725 movwf PRODL |
| 726 movf PRODH,W | |
| 604 | 727 btfss STATUS,C ; borrow = /CARRY |
| 582 | 728 incf WREG |
| 623 | 729 sublw HIGH .319 |
| 582 | 730 movwf PRODH |
| 151 | 731 |
| 732 pixel_write_noflip_H: | |
| 604 | 733 Index_out 0x21 ; frame memory vertical address |
| 582 | 734 bra TFT_DataWrite_PROD ; and return... |
| 0 | 735 |
| 608 | 736 pixel_write_col320_d2: |
| 623 | 737 movlw 0x06 |
| 738 rcall TFT_CmdWrite | |
| 739 movf PRODH,W | |
| 740 rcall TFT_DataWrite | |
| 741 movlw 0x07 | |
| 742 rcall TFT_CmdWrite | |
| 743 movf PRODL,W | |
| 744 rcall TFT_DataWrite | |
| 608 | 745 |
| 623 | 746 incf PRODL,F |
| 747 movlw .0 | |
| 748 addwfc PRODH,F ; +1 | |
| 608 | 749 |
| 623 | 750 movlw 0x08 |
| 751 rcall TFT_CmdWrite | |
| 752 movf PRODH,W | |
| 753 rcall TFT_DataWrite | |
| 754 movlw 0x09 | |
| 755 rcall TFT_CmdWrite | |
| 756 movf PRODL,W | |
| 757 bra TFT_DataWrite ; ... and return | |
| 608 | 758 |
| 628 | 759 pixel_write_col320_d3: |
| 760 movlw 0x21 ; start address vertical (.0 - .319) | |
| 761 rcall TFT_CmdWrite | |
| 762 bra TFT_DataWrite_PROD ; and return... | |
| 763 | |
| 0 | 764 ;----------------------------------------------------------------------------- |
| 634 | 765 ; Write one half-pixel at position (win_top,win_leftx2). |
| 766 ; Inputs: win_leftx2, win_top, win_color_1/_2 | |
| 0 | 767 ; Trashed: WREG, PROD |
| 634 | 768 ; |
| 582 | 769 global half_pixel_write |
| 0 | 770 half_pixel_write: |
| 628 | 771 movf win_top,W ; d'0' ... d'239' |
| 772 ; Variant with Y position in WREG | |
| 0 | 773 half_pixel_write_1: |
| 628 | 774 btfsc screen_type2 ; display type 2 ? |
| 775 bra half_pixel_write_1_display2 ; YES | |
| 776 btfsc screen_type3 ; display type 3 ? | |
| 777 bra half_pixel_write_1_display3 ; YES | |
| 608 | 778 |
| 628 | 779 half_pixel_write_1_display1: |
| 582 | 780 btfss flip_screen ; 180° rotation? |
| 781 sublw .239 ; 239-Y --> Y | |
| 604 | 782 mullw .1 ; copy row to PRODL (PRODH=0) |
| 783 Index_out 0x20 ; frame memory horizontal address | |
| 582 | 784 rcall TFT_DataWrite_PROD |
| 0 | 785 |
| 604 | 786 Index_out 0x22 ; frame memory data write start |
| 787 RS_H ; data | |
| 582 | 788 bcf INTCON,GIE |
| 648 | 789 movff win_color1,PORTA ; upper |
| 790 btfsc less_io_cpu ; less I/O CPU? | |
| 791 bra half_pixel_write_1_display1_l_io ; YES | |
| 792 movff win_color2,PORTH ; lower | |
| 582 | 793 WR_L |
| 648 | 794 WR_H ; tick |
| 582 | 795 bsf INTCON,GIE |
| 796 return | |
| 0 | 797 |
| 648 | 798 half_pixel_write_1_display1_l_io: |
| 799 WR_L | |
| 800 WR_H ; tick | |
| 801 movff win_color2,PORTA ; lower | |
| 802 WR_L | |
| 803 WR_H ; tick | |
| 804 bsf INTCON,GIE | |
| 805 return | |
| 806 | |
| 628 | 807 half_pixel_write_1_display2: |
| 623 | 808 mullw 1 ; copy row to PRODL (PRODH=0) |
| 809 ; Row address start | |
| 810 movlw 0x02 | |
| 811 rcall TFT_CmdWrite | |
| 812 movlw .0 | |
| 813 rcall TFT_DataWrite | |
| 814 movlw 0x03 | |
| 815 rcall TFT_CmdWrite | |
| 816 movf PRODL,W | |
| 817 rcall TFT_DataWrite | |
| 608 | 818 |
| 623 | 819 incf PRODL,F |
| 608 | 820 |
| 623 | 821 movlw 0x04 |
| 822 rcall TFT_CmdWrite | |
| 823 movlw .0 | |
| 824 rcall TFT_DataWrite | |
| 825 movlw 0x05 | |
| 826 rcall TFT_CmdWrite | |
| 827 movf PRODL,W | |
| 828 rcall TFT_DataWrite | |
| 608 | 829 |
| 830 movff win_color1,PRODH | |
| 831 movff win_color2,PRODL | |
| 832 rcall convert_for_display2 | |
| 833 | |
| 623 | 834 movlw 0x22 ; start writing data to GRAM |
| 835 rcall TFT_CmdWrite | |
| 836 RS_H ; data | |
| 837 movff win_color5, PORTH | |
| 608 | 838 WR_L |
| 623 | 839 WR_H ; tick |
| 840 movff win_color4, PORTH | |
| 608 | 841 WR_L |
| 623 | 842 WR_H ; tick |
| 843 movff win_color3, PORTH | |
| 608 | 844 WR_L |
| 623 | 845 WR_H ; tick |
| 846 return | |
| 608 | 847 |
| 628 | 848 half_pixel_write_1_display3: |
| 849 mullw 1 ; copy row to PRODL (PRODH=0) | |
| 850 | |
| 851 movlw 0x20 ; horizontal address START:END | |
| 852 rcall TFT_CmdWrite | |
| 853 rcall TFT_DataWrite_PROD | |
| 854 | |
| 855 movlw 0x22 ; start writing data to GRAM | |
| 856 rcall TFT_CmdWrite | |
| 857 RS_H ; data | |
| 858 movff win_color1, PORTH | |
| 859 WR_L | |
| 860 WR_H ; tick | |
| 861 movff win_color2, PORTH | |
| 862 WR_L | |
| 863 WR_H ; tick | |
| 864 return ; done | |
| 865 | |
| 0 | 866 ;----------------------------------------------------------------------------- |
| 634 | 867 ; Draw a vertical line of half-pixel at position (win_top,win_leftx2,win_height). |
| 868 ; Inputs: win_leftx2, win_top, win_height, win_color_1/_2 | |
| 0 | 869 ; Trashed: WREG, PROD, TABLAT, TBLPTRL |
| 634 | 870 ; |
| 0 | 871 global half_vertical_line |
| 872 half_vertical_line: | |
| 604 | 873 clrf TABLAT ; loop index |
| 0 | 874 |
| 875 half_vertical_line_loop: | |
| 604 | 876 movf win_leftx2,W ; init X position |
| 623 | 877 mullw .2 ; win_leftx2 x 2 -> PRODH:PRODL |
| 604 | 878 movf TABLAT,W ; get loop index |
| 879 andlw .1 ; just low bit | |
| 880 xorwf PRODL,F ; and use it to jitter current X position | |
| 881 rcall pixel_write_col320 ; start address vertical (.0 - .319) | |
| 0 | 882 |
| 604 | 883 movf win_height,W ; index reached height (bank0 read) ? |
| 582 | 884 xorwf TABLAT,W |
| 604 | 885 btfsc STATUS,Z ; Equal ? |
| 886 return ; YES - done | |
| 887 movf win_top,W ; Y = top + index (bank0 read) | |
| 582 | 888 addwf TABLAT,W |
| 889 rcall half_pixel_write_1 | |
| 890 incf TABLAT,F ; index++ | |
| 891 bra half_vertical_line_loop | |
| 0 | 892 |
| 893 ;----------------------------------------------------------------------------- | |
| 634 | 894 ; Draw a horizontal line of half-pixel at position (win_top,win_leftx2,win_width). |
| 895 ; Inputs: win_leftx2, win_top, win_width, win_color_1/_2 | |
| 0 | 896 ; Trashed: WREG, PROD, TABLAT, TBLPTRL |
| 634 | 897 ; |
| 0 | 898 global half_horizontal_line |
| 899 half_horizontal_line: | |
| 604 | 900 clrf TABLAT ; loop index |
| 0 | 901 |
| 902 half_horizontal_line_loop: | |
| 604 | 903 movf win_leftx2,W ; init X position |
| 623 | 904 mullw .2 ; win_leftx2 x 2 -> PRODH:PRODL |
| 604 | 905 rcall pixel_write_col320 ; start address vertical (.0 - .319) |
| 906 movf win_width,W ; index reached height (bank0 read) ? | |
| 582 | 907 xorwf TABLAT,W |
| 604 | 908 btfsc STATUS,Z ; equal ? |
| 909 return ; YES - done | |
| 910 movf win_top,W ; Y = top + index (bank0 read) | |
| 582 | 911 addwf TABLAT,W |
| 912 rcall half_pixel_write_1 | |
| 913 incf TABLAT,F ; index++ | |
| 914 bra half_horizontal_line_loop | |
| 0 | 915 |
| 916 | |
| 917 ;----------------------------------------------------------------------------- | |
| 634 | 918 ; TFT Data Command |
| 919 ; | |
| 0 | 920 TFT_DataWrite_PROD: |
| 623 | 921 ; RD_H ; keep high |
| 922 RS_H ; data | |
| 923 btfsc screen_type2 ; screen type 2 ? | |
| 924 bra TFT_DataWrite_PROD_display2 ; YES | |
| 628 | 925 btfsc screen_type3 ; screen type 3 ? |
| 926 bra TFT_DataWrite_PROD_display2 ; YES | |
| 623 | 927 bcf INTCON,GIE ; NO - |
| 928 movff PRODH,PORTA ; - move high byte to PORTA | |
| 648 | 929 btfsc less_io_cpu ; less I/O CPU? |
| 930 bra TFT_DataWrite_PROD_less_io ; YES | |
| 623 | 931 movff PRODL,PORTH ; - move low byte to PORTH |
| 932 WR_L ; - tick | |
| 933 WR_H ; - tack | |
| 934 bsf INTCON,GIE ; - | |
| 935 return ; - done | |
| 0 | 936 |
| 648 | 937 TFT_DataWrite_PROD_less_io: |
| 938 WR_L | |
| 939 WR_H ; tick | |
| 940 movff PRODL,PORTA ; - move low byte to PORTH | |
| 941 WR_L ; - tick | |
| 942 WR_H ; - tack | |
| 943 bsf INTCON,GIE ; - | |
| 944 return ; - done | |
| 945 | |
| 608 | 946 TFT_DataWrite_PROD_display2: |
| 623 | 947 movff PRODH,PORTH ; move high byte to PORTH (display 2 is big endian) |
| 948 WR_L ; tick | |
| 949 WR_H ; tack | |
| 950 movff PRODL,PORTH ; move low byte to PORTH | |
| 951 WR_L ; tick | |
| 952 WR_H ; tack | |
| 628 | 953 btfsc screen_type3 ; screen type 3 ? |
| 954 return ; YES - done | |
| 955 movff win_color3,PORTH ; NO - move low(est) byte to PORTH | |
| 956 WR_L ; - tick | |
| 957 WR_H ; - tack | |
| 958 return ; - done | |
| 623 | 959 |
| 608 | 960 |
| 0 | 961 TFT_DataRead_PROD: |
| 604 | 962 Index_out 0x22 ; frame memory data read start |
| 360 | 963 TFT_CmdRead_PROD: |
| 604 | 964 setf TRISA ; port A as input |
| 965 setf TRISH ; port H as input | |
| 966 RS_H ; data | |
| 967 WR_H ; not write | |
| 968 RD_L ; read | |
| 582 | 969 nop |
| 970 nop | |
| 971 nop | |
| 604 | 972 RD_H ; tick |
| 582 | 973 nop |
| 974 nop | |
| 975 nop | |
| 604 | 976 RD_L ; read |
| 582 | 977 nop |
| 978 ;nop | |
| 979 ;nop | |
| 980 movff PORTA,PRODH | |
| 981 movff PORTH,PRODL | |
| 604 | 982 RD_H ; tick |
| 582 | 983 nop |
| 604 | 984 clrf TRISA ; port A as output |
| 985 clrf TRISH ; port H as output | |
| 0 | 986 return |
| 987 | |
| 634 | 988 ;----------------------------------------------------------------------------- |
| 604 | 989 ; Output TFT Window Address commands |
| 990 ; Inputs : win_top, win_leftx2, win_height, win_width | |
| 991 ; Output : PortA/PortH commands | |
| 0 | 992 ; Trashed: PROD |
| 634 | 993 ; |
| 582 | 994 global TFT_box_write |
| 0 | 995 TFT_box_write: |
| 634 | 996 movf win_leftx2,W ; compute left = 2 * leftx2 --> PROD |
| 997 mullw .2 ; win_leftx2 x 2 -> PRODH:PRODL | |
| 0 | 998 |
| 634 | 999 btfsc screen_type2 ; screen type 2 ? |
| 1000 bra TFT_box_write_display2 ; YES | |
| 1001 btfsc screen_type3 ; screen type 3 ? | |
| 1002 bra TFT_box_write_display3 ; YES | |
| 1003 btfsc screen_type1 ; screen type 1 ? | |
| 1004 bra TFT_box_write_display1 ; YES | |
| 608 | 1005 |
| 623 | 1006 ; screen type 0 |
| 634 | 1007 TFT_box_write_display0: |
| 1008 btfsc flip_screen ; 180° rotation? | |
| 1009 bra TFT_box_do_flip_H ; YES | |
| 1010 bra TFT_box_no_flip_H ; NO | |
| 1011 | |
| 1012 ; screen type 1 | |
| 1013 TFT_box_write_display1: | |
| 1014 btfss flip_screen ; 180° rotation? | |
| 1015 bra TFT_box_do_flip_H ; NO | |
| 1016 ;bra TFT_box_no_flip_H ; YES | |
| 1017 | |
| 582 | 1018 ;---- Normal horizontal window --------------------------------------- |
| 634 | 1019 TFT_box_no_flip_H: |
| 604 | 1020 Index_out 0x52 ; window vertical start address |
| 1021 rcall TFT_DataWrite_PROD ; output left | |
| 1022 Index_out 0x21 ; frame memory vertical address | |
| 1023 rcall TFT_DataWrite_PROD ; output left | |
| 0 | 1024 |
| 582 | 1025 movf win_width+0,W ; right = left + width - 1 |
| 432 | 1026 addwf PRODL,F |
| 1027 movf win_width+1,W | |
| 1028 addwfc PRODH,F | |
| 623 | 1029 decf PRODL,F ; right-- |
| 582 | 1030 btfss STATUS,C |
| 432 | 1031 decf PRODH,F |
| 0 | 1032 |
| 604 | 1033 Index_out 0x53 ; window vertical end address |
| 582 | 1034 rcall TFT_DataWrite_PROD |
| 634 | 1035 bra TFT_box_common_H |
| 0 | 1036 |
| 582 | 1037 ;---- Flipped horizontal window -------------------------------------- |
| 634 | 1038 TFT_box_do_flip_H: |
| 623 | 1039 ; calculate new coordinate |
| 604 | 1040 movf PRODL,W ; 16 bits 319 - PROD --> PROD |
| 623 | 1041 sublw LOW .319 ; 319 - WREG --> WREG |
| 582 | 1042 movwf PRODL |
| 1043 movf PRODH,W | |
| 604 | 1044 btfss STATUS,C ; borrow = /CARRY |
| 582 | 1045 incf WREG |
| 623 | 1046 sublw HIGH .319 |
| 582 | 1047 movwf PRODH |
|
152
19ad15f04f60
BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents:
151
diff
changeset
|
1048 |
| 604 | 1049 Index_out 0x53 ; window vertical start address |
| 1050 rcall TFT_DataWrite_PROD ; output left | |
| 1051 Index_out 0x21 ; frame memory vertical address | |
| 1052 rcall TFT_DataWrite_PROD ; output left | |
| 151 | 1053 |
| 623 | 1054 ; calculate new coordinate |
| 604 | 1055 movf win_width+0,W ; 16 bits PROD - width --> PROD |
| 582 | 1056 subwf PRODL,F ; PRODL - WREG --> PRODL |
| 1057 movf win_width+1,W | |
| 1058 subwfb PRODH,F | |
| 623 | 1059 INCI PROD ; PROD++ |
| 151 | 1060 |
| 604 | 1061 Index_out 0x52 ; window vertical end address |
| 582 | 1062 rcall TFT_DataWrite_PROD |
| 151 | 1063 |
| 634 | 1064 TFT_box_common_H: |
| 582 | 1065 btfss flip_screen ; 180° rotation ? |
| 634 | 1066 bra TFT_box_no_flip_V ; NO |
| 1067 ;bra TFT_box_do_flip_V ; YES | |
| 151 | 1068 |
| 582 | 1069 ;---- Flipped vertical window ----------------------------------------- |
| 634 | 1070 TFT_box_do_flip_V: |
| 623 | 1071 ; calculate new coordinate |
| 582 | 1072 movff win_top,PRODH ; top --> PRODH (first byte) |
| 1073 movf win_height,W | |
| 1074 addwf PRODH,W | |
| 432 | 1075 decf WREG |
| 604 | 1076 movwf PRODL ; top + height - 1 --> PRODL (second byte) |
| 151 | 1077 |
| 604 | 1078 Index_out 0x50 ; window horizontal start address |
| 432 | 1079 movf PRODH,W |
| 604 | 1080 rcall TFT_DataWrite ; lower (and tick) |
| 151 | 1081 |
| 604 | 1082 Index_out 0x51 ; window horizontal end address |
| 582 | 1083 movf PRODL,W |
| 604 | 1084 rcall TFT_DataWrite ; lower (and tick) |
| 582 | 1085 |
| 604 | 1086 Index_out 0x20 ; frame memory horizontal address |
| 432 | 1087 movf PRODH,W |
| 604 | 1088 bra TFT_DataWrite ; lower (and tick) and return |
| 151 | 1089 |
| 582 | 1090 ;---- Normal vertical window ---------------------------------------- |
| 634 | 1091 TFT_box_no_flip_V: |
| 582 | 1092 movff win_top,PRODL |
| 1093 movf win_height,W | |
| 1094 addwf PRODL,W | |
| 1095 sublw .240 ; 240 - top - height | |
| 604 | 1096 movwf PRODH ; first byte |
| 0 | 1097 |
| 432 | 1098 movf PRODL,W |
| 604 | 1099 sublw .239 ; 239 - top |
| 1100 movwf PRODL ; --> second byte | |
| 0 | 1101 |
| 604 | 1102 Index_out 0x50 ; window horizontal start address |
| 432 | 1103 movf PRODH,W |
| 604 | 1104 rcall TFT_DataWrite ; lower (and tick) |
| 0 | 1105 |
| 604 | 1106 Index_out 0x51 ; window horizontal end address |
| 432 | 1107 movf PRODL,W |
| 604 | 1108 rcall TFT_DataWrite ; lower (and tick) |
| 0 | 1109 |
| 604 | 1110 Index_out 0x20 ; frame memory horizontal address |
| 432 | 1111 movf PRODL,W |
| 604 | 1112 bra TFT_DataWrite ; lower (and tick) and return |
| 582 | 1113 |
| 608 | 1114 |
| 623 | 1115 TFT_box_write_display2: |
| 631 | 1116 ; setup left border |
| 623 | 1117 movlw 0x06 |
| 1118 rcall TFT_CmdWrite | |
| 1119 movf PRODH,W | |
| 1120 rcall TFT_DataWrite | |
| 1121 movlw 0x07 | |
| 1122 rcall TFT_CmdWrite | |
| 1123 movf PRODL,W | |
| 1124 rcall TFT_DataWrite | |
| 608 | 1125 |
| 623 | 1126 movf win_width+0,W ; right = left + width - 1 |
| 1127 addwf PRODL,F | |
| 1128 movf win_width+1,W | |
| 1129 addwfc PRODH,F | |
| 631 | 1130 decf PRODL,F ; decrement result |
| 623 | 1131 btfss STATUS,C |
| 631 | 1132 decf PRODH,F |
| 608 | 1133 |
| 631 | 1134 ; setup right border |
| 623 | 1135 movlw 0x08 |
| 1136 rcall TFT_CmdWrite | |
| 1137 movf PRODH,W | |
| 1138 rcall TFT_DataWrite | |
| 1139 movlw 0x09 | |
| 1140 rcall TFT_CmdWrite | |
| 1141 movf PRODL,W | |
| 1142 rcall TFT_DataWrite | |
| 1143 | |
| 1144 ;---- Normal vertical window ----------------------------------------- | |
| 1145 ; Output (top) (bottom) | |
| 1146 movff win_top,PRODH ; top --> PRODH (first byte) | |
| 1147 movf win_height,W | |
| 1148 addwf PRODH,W | |
| 1149 decf WREG | |
| 1150 movwf PRODL ; top+height-1 --> PRODL (second byte) | |
| 608 | 1151 |
| 623 | 1152 movlw 0x02 |
| 1153 rcall TFT_CmdWrite | |
| 1154 movlw 0x00 | |
| 1155 rcall TFT_DataWrite | |
| 1156 movlw 0x03 | |
| 1157 rcall TFT_CmdWrite | |
| 1158 movf PRODH,W | |
| 1159 rcall TFT_DataWrite | |
| 608 | 1160 |
| 623 | 1161 movlw 0x04 |
| 1162 rcall TFT_CmdWrite | |
| 1163 movlw 0x00 | |
| 1164 rcall TFT_DataWrite | |
| 1165 movlw 0x05 | |
| 1166 rcall TFT_CmdWrite | |
| 1167 movf PRODL,W | |
| 1168 bra TFT_DataWrite ; ... and return | |
| 0 | 1169 |
| 628 | 1170 TFT_box_write_display3: |
| 1171 ;---- Normal horizontal window --------------------------------------- | |
| 1172 ; Output 0x35 left, | |
| 631 | 1173 ; 0x36 right == left + width - 1. |
| 628 | 1174 |
| 1175 Index_out 0x35 ; window vertical start address | |
| 1176 rcall TFT_DataWrite_PROD ; output left | |
| 1177 Index_out 0x21 ; also the horizontal first pix coordinate | |
| 1178 rcall TFT_DataWrite_PROD ; output left | |
| 1179 | |
| 631 | 1180 movf win_width+0,W ; right = left + width - 1 |
| 628 | 1181 addwf PRODL,F |
| 631 | 1182 movf win_width+1,W |
| 628 | 1183 addwfc PRODH,F |
| 631 | 1184 decf PRODL,F ; decrement result |
| 634 | 1185 btfss STATUS,C |
| 631 | 1186 decf PRODH,F |
| 628 | 1187 |
| 631 | 1188 Index_out 0x36 ; write and the right border |
| 628 | 1189 rcall TFT_DataWrite_PROD |
| 1190 | |
| 1191 ;---- Normal vertical window ----------------------------------------- | |
| 1192 ; Output 0x37 (top) (bottom) | |
| 1193 movff win_top,PRODH ; top --> PRODH (first byte) | |
| 1194 movff win_height,WREG | |
| 1195 addwf PRODH,W | |
| 1196 decf WREG | |
| 1197 movwf PRODL ; top + height - 1 --> PRODL (second byte) | |
| 1198 | |
| 1199 Index_out 0x37 | |
| 1200 rcall TFT_DataWrite_PROD | |
| 1201 | |
| 1202 movff PRODH,PRODL | |
| 1203 clrf PRODH ; start pixel V coord == top. | |
| 1204 Index_out 0x20 | |
| 1205 bra TFT_DataWrite_PROD ; and return... | |
| 1206 | |
| 1207 | |
| 634 | 1208 ;----------------------------------------------------------------------------- |
| 604 | 1209 ; TFT_frame : draw a frame around current box with current color |
| 0 | 1210 ; Inputs: win_top, win_leftx2, win_height, win_width, win_color1, win_color2 |
| 1211 ; Outputs: (none) | |
| 1212 ; Trashed: WREG, PROD, aa_start:2, aa_end:2 | |
| 634 | 1213 ; |
| 582 | 1214 global TFT_frame |
| 1215 TFT_frame: | |
| 623 | 1216 movff win_top,tft_save_top ; backup everything |
| 1217 movff win_height,tft_save_height | |
| 1218 movff win_leftx2,tft_save_left | |
| 631 | 1219 movff win_width+0,tft_save_width |
| 0 | 1220 |
| 582 | 1221 ;---- TOP line ----------------------------------------------------------- |
| 623 | 1222 movlw .1 ; row ~ height = 1 |
| 582 | 1223 movwf win_height |
| 1224 rcall TFT_box | |
| 0 | 1225 |
| 582 | 1226 ;---- BOTTOM line -------------------------------------------------------- |
| 623 | 1227 movff tft_save_top,PRODL ; get back top |
| 1228 movff tft_save_height,WREG ; get back height | |
| 1229 addwf PRODL,W ; top + height | |
| 1230 decf WREG ; top + height - 1 | |
| 1231 movwf win_top ; top + height - 1 --> top | |
| 582 | 1232 rcall TFT_box |
| 0 | 1233 |
| 582 | 1234 ;---- LEFT column -------------------------------------------------------- |
| 623 | 1235 movff tft_save_top,win_top ; restore top/height |
| 1236 movff tft_save_height,win_height | |
| 1237 movlw .1 ; column ~ width = 1 | |
| 582 | 1238 movwf win_width+0 |
| 1239 rcall TFT_box | |
| 1240 | |
| 1241 ;---- RIGHT column ------------------------------------------------------- | |
| 623 | 1242 movff tft_save_left,WREG |
| 1243 movff tft_save_width,PRODL | |
| 582 | 1244 addwf PRODL,W |
| 1245 decf WREG | |
| 1246 movwf win_leftx2 | |
| 1247 rcall TFT_box | |
| 1248 | |
| 1249 ;---- Restore everything ------------------------------------------------- | |
| 623 | 1250 movff tft_save_left,win_leftx2 |
| 631 | 1251 movff tft_save_width,win_width+0 |
| 582 | 1252 return |
| 0 | 1253 |
| 634 | 1254 ;----------------------------------------------------------------------------- |
| 604 | 1255 ; TFT_box: fills current box with current color |
| 1256 ; Inputs : win_top, win_leftx2, win_height, win_width, win_color1, win_color2 | |
| 0 | 1257 ; Outputs: (none) |
| 1258 ; Trashed: WREG, PROD | |
| 634 | 1259 ; |
| 582 | 1260 global TFT_box |
| 0 | 1261 TFT_box: |
| 582 | 1262 ;---- Define Window ------------------------------------------------------ |
| 1263 bcf STATUS,C | |
| 1264 rlcf win_width+0,F | |
| 1265 rlcf win_width+1,F ; x2 | |
| 604 | 1266 rcall TFT_box_write ; setup box |
| 0 | 1267 |
| 582 | 1268 bcf STATUS,C |
| 1269 rrcf win_width+1,F ; width /= 2 | |
| 1270 rrcf win_width+0,F | |
| 0 | 1271 |
| 582 | 1272 ;---- Fill Window -------------------------------------------------------- |
| 604 | 1273 Index_out 0x22 ; frame memory data write start |
| 1274 clrf PRODH ; column counter | |
| 1275 RS_H ; data | |
| 0 | 1276 |
| 628 | 1277 btfsc screen_type2 ; display type 2 ? |
| 1278 bra TFT_box_display2 ; YES | |
| 1279 btfsc screen_type3 ; display type 3 ? | |
| 1280 bra TFT_box_display3 ; YES | |
| 1281 | |
| 604 | 1282 TFT_box2: ; loop height times |
| 0 | 1283 movff win_height,PRODL |
| 1284 | |
| 582 | 1285 TFT_box3: ; loop width times |
| 623 | 1286 bcf INTCON,GIE |
| 604 | 1287 movff win_color1,PORTA ; upper |
| 648 | 1288 btfsc less_io_cpu ; less I/O CPU? |
| 1289 bra TFT_box3_less_io ; YES | |
| 604 | 1290 movff win_color2,PORTH ; lower |
| 634 | 1291 WR_L ; tick |
| 1292 WR_H ; ... | |
| 1293 WR_L ; tick | |
| 1294 WR_H ; ... | |
| 582 | 1295 bsf INTCON,GIE |
| 1296 decfsz PRODL,F ; row loop finished ? | |
| 604 | 1297 bra TFT_box3 ; NO - continue |
| 0 | 1298 |
| 582 | 1299 incf PRODH,F ; column count ++ |
| 628 | 1300 movf win_bargraph,W ; get width of active bargraph part |
| 1301 cpfseq PRODH ; current column == end of active bargraph ? | |
| 604 | 1302 bra TFT_box4 ; NO - just loop |
| 628 | 1303 clrf win_color1 ; YES - switch to black |
| 604 | 1304 clrf win_color2 ; - ... |
| 0 | 1305 TFT_box4: |
| 628 | 1306 movf win_width+0,W ; get total bargraph width |
| 1307 xorwf PRODH,W ; all columns done? | |
| 1308 bnz TFT_box2 ; NO - loop | |
| 0 | 1309 |
| 582 | 1310 movlw 0x00 ; NOP, to stop window mode |
| 1311 rcall TFT_CmdWrite | |
| 0 | 1312 |
| 604 | 1313 ; reset bargraph mode... |
| 582 | 1314 setf win_bargraph |
| 1315 return | |
| 623 | 1316 |
| 648 | 1317 TFT_box3_less_io: |
| 1318 WR_L ; tick | |
| 1319 WR_H ; ... | |
| 1320 movff win_color2,PORTA ; lower | |
| 1321 WR_L ; tick | |
| 1322 WR_H ; ... | |
| 1323 movff win_color1,PORTA ; upper | |
| 1324 WR_L ; tick | |
| 1325 WR_H ; ... | |
| 1326 movff win_color2,PORTA ; lower | |
| 1327 WR_L ; tick | |
| 1328 WR_H ; ... | |
| 1329 bsf INTCON,GIE | |
| 1330 decfsz PRODL,F ; row loop finished ? | |
| 1331 bra TFT_box3 ; NO - continue | |
| 1332 | |
| 1333 incf PRODH,F ; column count ++ | |
| 1334 movf win_bargraph,W ; get width of active bargraph part | |
| 1335 cpfseq PRODH ; current column == end of active bargraph ? | |
| 1336 bra TFT_box4 ; NO - just loop | |
| 1337 clrf win_color1 ; YES - switch to black | |
| 1338 clrf win_color2 ; - ... | |
| 1339 bra TFT_box4 ; NO - just loop | |
| 1340 | |
| 608 | 1341 TFT_box_display2: |
| 628 | 1342 ; Screen 2 |
| 608 | 1343 movff win_color1,PRODH |
| 1344 movff win_color2,PRODL | |
| 1345 rcall convert_for_display2 | |
| 631 | 1346 clrf PRODH ; column counter |
| 623 | 1347 TFT_box2_display2: ; loop height times |
| 608 | 1348 movff win_height,PRODL |
| 623 | 1349 TFT_box3_display2: ; loop width times |
| 608 | 1350 movff win_color5,PORTH |
| 623 | 1351 bcf tft_nwr |
| 1352 bsf tft_nwr ; upper | |
| 608 | 1353 movff win_color4,PORTH |
| 1354 bcf tft_nwr | |
| 623 | 1355 bsf tft_nwr ; high |
| 608 | 1356 movff win_color3,PORTH |
| 1357 bcf tft_nwr | |
| 623 | 1358 bsf tft_nwr ; low |
| 608 | 1359 |
| 1360 movff win_color5,PORTH | |
| 1361 bcf tft_nwr | |
| 623 | 1362 bsf tft_nwr ; upper |
| 608 | 1363 movff win_color4,PORTH |
| 1364 bcf tft_nwr | |
| 623 | 1365 bsf tft_nwr ; high |
| 608 | 1366 movff win_color3,PORTH |
| 1367 bcf tft_nwr | |
| 623 | 1368 bsf tft_nwr ; low |
| 1369 decfsz PRODL,F ; row loop finished? | |
| 1370 bra TFT_box3_display2 ; NO - loop | |
| 1371 incf PRODH,F ; YES - column count ++ | |
| 1372 movf win_bargraph,W ; - get bargraph width | |
| 1373 cpfseq PRODH ; - current column = bargraph ? | |
| 1374 bra TFT_box4_display2 ; NO | |
| 1375 clrf win_color5 ; YES - switch to black | |
| 1376 clrf win_color4 ; - ... | |
| 1377 clrf win_color3 ; - ... | |
| 608 | 1378 TFT_box4_display2: |
| 623 | 1379 movf win_width+0,W ; get width |
| 1380 cpfseq PRODH ; width loop finished ? | |
| 1381 bra TFT_box2_display2 ; NO - loop | |
| 1382 setf win_bargraph ; YES - reset bargraph mode | |
| 1383 return ; - done | |
| 0 | 1384 |
| 628 | 1385 TFT_box_display3: |
| 1386 ; Screen 3 | |
| 1387 TFT_box2_display3: ; loop height times | |
| 1388 movff win_height,PRODL | |
| 1389 TFT_box3_display3: ; loop width times | |
| 1390 movff win_color1,PORTH | |
| 1391 bcf tft_nwr | |
| 1392 bsf tft_nwr ; upper | |
| 1393 movff win_color2,PORTH | |
| 1394 bcf tft_nwr | |
| 1395 bsf tft_nwr ; high | |
| 1396 movff win_color1,PORTH | |
| 1397 bcf tft_nwr | |
| 1398 bsf tft_nwr ; low | |
| 1399 movff win_color2,PORTH | |
| 1400 bcf tft_nwr | |
| 1401 bsf tft_nwr ; upper | |
| 1402 decfsz PRODL,F ; row loop finished? | |
| 1403 bra TFT_box3_display3 ; NO - loop | |
| 1404 incf PRODH,F ; YES - column count ++ | |
| 1405 movf win_bargraph,W ; - get bargraph width | |
| 1406 cpfseq PRODH ; - current column = bargraph ? | |
| 1407 bra TFT_box4_display3 ; NO | |
| 1408 clrf win_color1 ; Yes - switch to black | |
| 1409 clrf win_color2 ; - ... | |
| 1410 TFT_box4_display3: | |
| 1411 movf win_width+0,W ; get width | |
| 1412 cpfseq PRODH ; width loop finished ? | |
| 1413 bra TFT_box2_display3 ; NO - loop | |
| 1414 setf win_bargraph ; YES - reset bargraph mode | |
| 1415 return | |
| 1416 | |
| 0 | 1417 |
| 634 | 1418 ;----------------------------------------------------------------------------- |
| 1419 ; Convert 8 bit RGB b'RRRGGGBB' into 16 bit RGB b'RRRRRGGGGGGBBBBB' | |
| 1420 ; WREG win_color1 win_color2 | |
| 582 | 1421 global TFT_set_color |
| 0 | 1422 TFT_set_color: |
| 631 | 1423 movwf tft_temp1 ; get 8 bit RGB b'RRRGGGBB' into tft_temp1... |
| 634 | 1424 movwf tft_temp2 ; ... and tft_temp2 |
| 0 | 1425 |
| 604 | 1426 ; mask bit 7,6,5,4,3,2 |
| 0 | 1427 movlw b'00000011' |
| 1428 andwf tft_temp2,F | |
| 1429 | |
| 1430 movlw b'00000000' | |
| 1431 dcfsnz tft_temp2,F | |
| 1432 movlw b'01010000' | |
| 1433 dcfsnz tft_temp2,F | |
| 1434 movlw b'10100000' | |
| 1435 dcfsnz tft_temp2,F | |
| 1436 movlw b'11111000' | |
| 604 | 1437 movwf tft_temp3 ; blue done |
| 0 | 1438 |
| 604 | 1439 movff tft_temp1,tft_temp2 ; copy |
| 1440 ; mask bit 7,6,5,1,0 | |
| 0 | 1441 movlw b'00011100' |
| 1442 andwf tft_temp2,F | |
| 1443 rrncf tft_temp2,F | |
| 1444 rrncf tft_temp2,F | |
| 1445 | |
| 1446 movlw b'00000000' | |
| 1447 dcfsnz tft_temp2,F | |
| 1448 movlw b'00000100' | |
| 1449 dcfsnz tft_temp2,F | |
| 1450 movlw b'00001000' | |
| 1451 dcfsnz tft_temp2,F | |
| 1452 movlw b'00001100' | |
| 1453 dcfsnz tft_temp2,F | |
| 1454 movlw b'00010000' | |
| 1455 dcfsnz tft_temp2,F | |
| 1456 movlw b'00010100' | |
| 1457 dcfsnz tft_temp2,F | |
| 1458 movlw b'00100000' | |
| 1459 dcfsnz tft_temp2,F | |
| 1460 movlw b'00111111' | |
| 582 | 1461 movwf tft_temp4 |
| 0 | 1462 |
| 1463 rrcf tft_temp4,F | |
| 1464 rrcf tft_temp3,F | |
| 1465 | |
| 1466 rrcf tft_temp4,F | |
| 1467 rrcf tft_temp3,F | |
| 1468 | |
| 1469 rrcf tft_temp4,F | |
| 604 | 1470 rrcf tft_temp3,W ; tft_temp3 (b'GGGBBBBB') done |
| 1471 movwf win_color2 ; set color registers... | |
| 0 | 1472 |
| 604 | 1473 movff tft_temp1,tft_temp2 ; copy |
| 0 | 1474 clrf tft_temp1 |
| 1475 | |
| 1476 rrcf tft_temp4,F | |
| 1477 rrcf tft_temp1,F | |
| 1478 | |
| 1479 rrcf tft_temp4,F | |
| 1480 rrcf tft_temp1,F | |
| 1481 | |
| 1482 rrcf tft_temp4,F | |
| 604 | 1483 rrcf tft_temp1,F ; green done |
| 0 | 1484 |
| 604 | 1485 ; mask bit 4,3,2,1,0 |
| 0 | 1486 movlw b'11100000' |
| 1487 andwf tft_temp2,F | |
| 1488 | |
| 1489 rrncf tft_temp2,F | |
| 1490 rrncf tft_temp2,F | |
| 1491 rrncf tft_temp2,F | |
| 1492 rrncf tft_temp2,F | |
| 1493 rrncf tft_temp2,F | |
| 1494 | |
| 1495 movlw b'00000000' | |
| 1496 dcfsnz tft_temp2,F | |
| 1497 movlw b'00000100' | |
| 1498 dcfsnz tft_temp2,F | |
| 1499 movlw b'00001000' | |
| 1500 dcfsnz tft_temp2,F | |
| 1501 movlw b'00001100' | |
| 1502 dcfsnz tft_temp2,F | |
| 1503 movlw b'00010000' | |
| 1504 dcfsnz tft_temp2,F | |
| 1505 movlw b'00010100' | |
| 1506 dcfsnz tft_temp2,F | |
| 1507 movlw b'00100000' | |
| 1508 dcfsnz tft_temp2,F | |
| 1509 movlw b'00111111' | |
| 582 | 1510 movwf tft_temp4 |
| 0 | 1511 |
| 1512 rrcf tft_temp4,F | |
| 1513 rrcf tft_temp1,F | |
| 1514 | |
| 1515 rrcf tft_temp4,F | |
| 604 | 1516 rrcf tft_temp1,F |
| 0 | 1517 |
| 1518 rrcf tft_temp4,F | |
| 1519 rrcf tft_temp1,F | |
| 1520 | |
| 1521 rrcf tft_temp4,F | |
| 1522 rrcf tft_temp1,F | |
| 1523 | |
| 1524 rrcf tft_temp4,F | |
| 604 | 1525 rrcf tft_temp1,W ; red done |
| 648 | 1526 ; tft_temp1 (b'RRRRRGGG') done |
| 1527 movwf win_color1 ; set color registers... | |
| 0 | 1528 return |
| 623 | 1529 |
| 1530 | |
| 608 | 1531 global convert_for_display2 |
| 623 | 1532 convert_for_display2: ; convert 16 bit RGB b'RRRRRGGG GGGBBBBB' into 24 bit RGB b'RRRRRR00 GGGGGG00 BBBBBB00' |
| 1533 ; PRODH PRODL win_color5 win_color4 win_color3 | |
| 1534 ; Red | |
| 1535 movff PRODH,win_color5 ; = RRRRRGGG | |
| 1536 bcf win_color5,2 ; = RRRRR0GG | |
| 1537 btfsc win_color5,7 | |
| 1538 bsf win_color5,2 ; = RRRRR1GG the lower two bits are ignored by the screen | |
| 1539 ; Blue | |
| 1540 movff PRODL,win_color3 | |
| 1541 rrcf win_color3,F ; = UGGGBBBB and the LSB-blue into carry | |
| 1542 swapf win_color3,F ; = BBBBUGGG | |
| 1543 bcf win_color3,3 ; = BBBB0GGG | |
| 608 | 1544 btfsc STATUS,C |
| 623 | 1545 bsf win_color3,3 ; = BBBB1GGG |
| 1546 bcf win_color3,2 ; = BBBBB0GG | |
| 1547 btfsc win_color3,7 | |
| 1548 bsf win_color3,2 ; = BBBBB1GG | |
| 1549 ; Green | |
| 1550 rrcf PRODH,F | |
| 1551 rrcf PRODL,F | |
| 1552 rrcf PRODH,F | |
| 1553 rrcf PRODL,F | |
| 1554 rrcf PRODH,F | |
| 1555 rrcf PRODL,F ; = GGGGGGBB the lower two bits are ignored by the screen | |
| 1556 movff PRODL,win_color4 | |
| 608 | 1557 return |
| 623 | 1558 |
| 0 | 1559 |
| 634 | 1560 ;----------------------------------------------------------------------------- |
| 0 | 1561 |
| 604 | 1562 IFDEF _screendump |
| 1563 | |
| 623 | 1564 ;----------------------------------------------------------------------------- |
| 1565 ; Dump screen contents to the UART | |
| 1566 ; | |
| 604 | 1567 global TFT_dump_screen_check |
| 1568 TFT_dump_screen_check: | |
| 1569 btfss vusb_in ; USB (still) plugged in? | |
| 623 | 1570 bcf screen_dump_avail ; NO - disable screen dump function |
| 631 | 1571 |
| 1572 SERIAL_CC_RECEIVE WREG ; try to read a byte from RS232 | |
| 623 | 1573 btfsc rs232_rx_timeout ; anything received? |
| 631 | 1574 return ; NO - done |
| 1575 xorlw "l" ; YES - exclusive-or with coding of screen dump command | |
| 1576 tstfsz WREG ; - screen dump command received? | |
| 604 | 1577 return ; NO - return |
| 631 | 1578 ;bra TFT_dump_screen ; YES - serve screen dump request |
| 623 | 1579 |
| 631 | 1580 global TFT_dump_screen |
| 623 | 1581 TFT_dump_screen: |
| 1582 btfsc screen_type2 ; is this an OSTC with a screen of type 2? | |
| 631 | 1583 return ; YES - not supported, abort |
| 623 | 1584 bsf block_sensor_interrupt ; NO - disable sensor interrupts |
| 631 | 1585 SERIAL_LC_SEND 'l' ; - send command acknowledge |
| 1586 | |
| 604 | 1587 |
| 582 | 1588 ;---- Send DISPLAY box command for the full screen window ------------------- |
| 604 | 1589 Index_out 0x50 ; window horizontal start address |
| 582 | 1590 Parameter_out 0x00, 0x00 ; 0-239 |
| 604 | 1591 Index_out 0x51 ; window horizontal end address |
| 582 | 1592 Parameter_out 0x00, 0xEF ; 0-239 |
| 604 | 1593 Index_out 0x52 ; window vertical start address |
| 582 | 1594 Parameter_out 0x00, 0x00 ; 0-319 |
| 604 | 1595 Index_out 0x53 ; window vertical end address |
| 582 | 1596 Parameter_out 0x01, 0x3F ; 0-319 |
| 0 | 1597 |
| 582 | 1598 clrf ds_column |
| 1599 rcall dump_screen_pixel_reset | |
| 0 | 1600 dump_screen_1: |
| 582 | 1601 btg LEDr ; LED activity toggle |
| 631 | 1602 ; dump even column |
| 604 | 1603 movlw .240 ; 240 lines, once |
| 582 | 1604 movwf ds_line |
| 0 | 1605 dump_screen_2: |
| 604 | 1606 Index_out 0x20 ; frame memory horizontal address |
| 582 | 1607 movff ds_line,WREG ; d'0' ... d'239' |
| 604 | 1608 mullw .1 ; copy row to PRODH:L |
| 582 | 1609 rcall TFT_DataWrite_PROD |
| 0 | 1610 |
| 623 | 1611 movff ds_column,WREG ; initialize X position |
| 1612 mullw .2 ; ds_column x 2 -> PRODH:PRODL | |
| 604 | 1613 rcall pixel_write_col320 ; start address vertical (.0 - .319) |
| 0 | 1614 |
| 582 | 1615 rcall TFT_DataRead_PROD ; read pixel |
| 1616 rcall dump_screen_pixel | |
| 0 | 1617 |
| 582 | 1618 decfsz ds_line,F |
| 1619 bra dump_screen_2 | |
| 1620 rcall dump_screen_pixel_flush | |
| 0 | 1621 |
| 631 | 1622 ; dump odd column |
| 604 | 1623 movlw .240 ; 240 lines, twice |
| 582 | 1624 movwf ds_line |
| 0 | 1625 dump_screen_3: |
| 604 | 1626 Index_out 0x20 ; frame memory horizontal address |
| 582 | 1627 movff ds_line,WREG ; d'0' ... d'239' |
| 623 | 1628 mullw .1 ; copy row to PRODH:L |
| 582 | 1629 rcall TFT_DataWrite_PROD |
| 0 | 1630 |
| 623 | 1631 movff ds_column,WREG ; initialize X position |
| 1632 mullw .2 ; ds_column x 2 -> PRODH:PRODL | |
| 1633 INCI PROD ; PROD++ | |
| 604 | 1634 rcall pixel_write_col320 ; start address vertical (.0 - .319) |
| 0 | 1635 |
| 582 | 1636 rcall TFT_DataRead_PROD ; read pixel |
| 631 | 1637 rcall dump_screen_pixel ; compress and send pixel |
| 0 | 1638 |
| 582 | 1639 decfsz ds_line,F |
| 1640 bra dump_screen_3 | |
| 1641 rcall dump_screen_pixel_flush | |
| 0 | 1642 |
| 582 | 1643 incf ds_column,F |
| 1644 movlw .160 | |
| 1645 cpfseq ds_column | |
| 1646 bra dump_screen_1 | |
| 0 | 1647 |
| 623 | 1648 bcf block_sensor_interrupt ; re-enable sensor interrupts |
| 604 | 1649 clrf RCREG1 ; clear receive buffer |
| 1650 bcf RCSTA1,CREN ; clear receiver status | |
| 631 | 1651 bsf RCSTA1,CREN ; ... |
| 623 | 1652 bsf screen_dump_avail ; enable screen dump function |
| 582 | 1653 return |
| 0 | 1654 |
| 623 | 1655 ;----------------------------------------------------------------------------- |
| 0 | 1656 ; Pixel compression |
| 1657 ; | |
| 604 | 1658 ; Input : PRODH:L = pixel |
| 0 | 1659 ; Output: Compressed stream on output. |
| 1660 ; Compressed format: | |
| 604 | 1661 ; 0ccccccc : BLACK pixel, repeated ccccccc+1 times (1..128) |
| 1662 ; 11cccccc : WHITE pixel, repeated cccccc+1 times (1.. 64) | |
| 1663 ; 10cccccc HIGH LOW : color pixel (H:L) repeated ccccc+1 times (1.. 64) | |
| 623 | 1664 ; |
| 0 | 1665 dump_screen_pixel: |
| 604 | 1666 movf PRODH,W ; compare pixel-high |
| 582 | 1667 xorwf ds_pixel+1,W |
| 604 | 1668 bnz dump_screen_pixel_1 ; different -> dump |
| 0 | 1669 |
| 604 | 1670 movf PRODL,W ; compare pixel-low |
| 582 | 1671 xorwf ds_pixel+0,W |
| 604 | 1672 bnz dump_screen_pixel_1 ; different -> dump |
| 0 | 1673 |
| 604 | 1674 incf ds_count,F ; same color: just increment |
| 582 | 1675 return |
| 0 | 1676 |
| 604 | 1677 dump_screen_pixel_1: ; send (pixel,count) tuple |
| 1678 movf ds_count,W ; is count zero ? | |
| 1679 bz dump_screen_pixel_2 ; YES - skip sending | |
| 0 | 1680 |
| 604 | 1681 movf ds_pixel+1,W ; is this a BLACK pixel ? |
| 582 | 1682 iorwf ds_pixel+0,W |
| 604 | 1683 bz dump_screen_pix_black ; YES |
| 0 | 1684 |
| 604 | 1685 movf ds_pixel+1,W ; is this a white pixel ? |
| 582 | 1686 andwf ds_pixel+0,W |
| 1687 incf WREG | |
| 604 | 1688 bz dump_screen_pix_white ; YES |
| 0 | 1689 |
| 582 | 1690 ; No: write the pixel itself... |
| 604 | 1691 movlw .64 ; max color pixel on a single byte |
| 1692 cpfsgt ds_count ; skip if count > 64 | |
| 582 | 1693 movf ds_count,W ; W <- min(64,count) |
| 1694 subwf ds_count,F ; ds_count <- ds_count-W | |
| 604 | 1695 decf WREG ; save as 0..63 |
| 1696 iorlw b'10000000' ; mark as a color pixel | |
| 0 | 1697 |
| 631 | 1698 SERIAL_CC_SEND WREG ; send byte in WREG |
| 1699 SERIAL_CC_SEND ds_pixel+1 ; send bytes in ds_pixel, high byte first | |
| 1700 SERIAL_CC_SEND ds_pixel+0 ; low byte last | |
| 1701 | |
| 582 | 1702 bra dump_screen_pixel_1 |
| 0 | 1703 |
| 1704 dump_screen_pixel_2: | |
| 604 | 1705 movff PRODH,ds_pixel+1 ; save new pixel color |
| 582 | 1706 movff PRODL,ds_pixel+0 |
| 1707 movlw 1 | |
| 604 | 1708 movwf ds_count ; and set count=1 |
| 582 | 1709 return |
| 0 | 1710 |
| 1711 dump_screen_pix_black: | |
| 604 | 1712 movlw .128 ; max black pixel on a single byte |
| 1713 cpfsgt ds_count ; skip if count > 128 | |
| 582 | 1714 movf ds_count,W ; W <- min(128,count) |
| 1715 subwf ds_count,F ; ds_count <- ds_count-W | |
| 604 | 1716 decf WREG ; save as 0..127 |
| 623 | 1717 |
| 0 | 1718 dump_screen_pix_3: |
| 631 | 1719 SERIAL_CC_SEND WREG ; send byte in WREG |
| 604 | 1720 bra dump_screen_pixel_1 ; more to dump ? |
| 0 | 1721 |
| 1722 dump_screen_pix_white: | |
| 604 | 1723 movlw .64 ; max white pixel on a single byte |
| 1724 cpfsgt ds_count ; skip if count > 64 | |
| 582 | 1725 movf ds_count,W ; W <- min(64,count) |
| 1726 subwf ds_count,F ; ds_count <- ds_count-W | |
| 631 | 1727 decf WREG ; save as 0..63 |
| 604 | 1728 iorlw b'11000000' ; mark as a compressed white |
| 631 | 1729 bra dump_screen_pix_3 ; send pixel |
| 0 | 1730 |
| 1731 dump_screen_pixel_flush: | |
| 582 | 1732 clrf PRODH |
| 1733 clrf PRODL | |
| 604 | 1734 rcall dump_screen_pixel_1 ; send it |
| 0 | 1735 dump_screen_pixel_reset: |
| 604 | 1736 clrf ds_count ; clear count |
| 582 | 1737 return |
| 0 | 1738 |
| 623 | 1739 ENDIF ; _screendump |
| 1740 | |
| 634 | 1741 ;----------------------------------------------------------------------------- |
| 604 | 1742 |
| 582 | 1743 END |