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comparison src/tft.asm @ 360:5f142cff43f6

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hardware support
author heinrichsweikamp
date Mon, 03 Aug 2015 22:47:39 +0200
parents b2f6a4b01e64
children 631cbfea3757
comparison
equal deleted inserted replaced
359:2be48ccfa9de 360:5f142cff43f6
311 311
312 ; Data Transfer Synchronization 312 ; Data Transfer Synchronization
313 Parameter_out 0x00, 0x00 313 Parameter_out 0x00, 0x00
314 Parameter_out 0x00, 0x00 314 Parameter_out 0x00, 0x00
315 315
316 ;; Init through config table... ; mH 316 Index_out 0x00
317 ; movlw LOW display1_config_table 317 rcall TFT_CmdRead_PROD ; Get ID into PRODL:PRODH
318 ; movwf TBLPTRL 318 ; 5:197 -> display0
319 ; movlw HIGH display1_config_table 319 ;147:37 -> display1
320 ; movwf TBLPTRH 320 movlw .5
321 ; movlw UPPER display1_config_table 321 cpfseq PRODL ; display0?
322 ; movwf TBLPTRU 322 bra TFT_boot_1 ; No
323 movlw .197
324 cpfseq PRODH ; display0?
325 bra TFT_boot_1 ; No
323 326
324 ; Init through config table... 327 ; Init through config table...
325 movlw LOW display0_config_table 328 movlw LOW display0_config_table
326 movwf TBLPTRL 329 movwf TBLPTRL
327 movlw HIGH display0_config_table 330 movlw HIGH display0_config_table
328 movwf TBLPTRH 331 movwf TBLPTRH
329 movlw UPPER display0_config_table 332 movlw UPPER display0_config_table
330 movwf TBLPTRU 333 movwf TBLPTRU
334 bcf screen_type
335 bra TFT_boot_com
336
337 TFT_boot_1:
338 ; Init through config table...
339 movlw LOW display1_config_table
340 movwf TBLPTRL
341 movlw HIGH display1_config_table
342 movwf TBLPTRH
343 movlw UPPER display1_config_table
344 movwf TBLPTRU
345 bsf screen_type
346
347 TFT_boot_com:
331 rcall display0_init_loop 348 rcall display0_init_loop
332 349
333 Index_out 0x03 350 Index_out 0x03
334 btfsc flip_screen ; 180° rotation ? 351 btfsc flip_screen ; 180° rotation ?
335 bra TFT_boot2 ; Yes 352 bra TFT_boot2 ; Yes
336 Parameter_out 0x50, 0x20 353
337 ; Parameter_out 0x10, 0x00 ; mH 354 btfss screen_type ; display1?
355 bra TFT_boot1a ; no
356 Parameter_out 0x10, 0x00 ; display1
357 bra TFT_boot3
358 TFT_boot1a:
359 Parameter_out 0x50, 0x20 ; display0
338 bra TFT_boot3 360 bra TFT_boot3
339 TFT_boot2: 361 TFT_boot2:
340 Parameter_out 0x50, 0x10 362 btfss screen_type ; display1?
341 ; Parameter_out 0x10, 0x30 ; mH 363 bra TFT_boot2a ; no
364 Parameter_out 0x10, 0x30 ; display1
365 bra TFT_boot3
366 TFT_boot2a:
367 Parameter_out 0x50, 0x10 ; display0
342 TFT_boot3: 368 TFT_boot3:
343 Index_out 0x22 369 Index_out 0x22
344 rcall TFT_ClearScreen 370 rcall TFT_ClearScreen
345 Index_out 0x07 371 Index_out 0x07
346 Parameter_out 0x01, 0x33 372 Parameter_out 0x01, 0x33
631 movff PRODL,PORTH ; Move low byte to PORTH 657 movff PRODL,PORTH ; Move low byte to PORTH
632 WR_L 658 WR_L
633 WR_H ; Tick 659 WR_H ; Tick
634 return 660 return
635 661
662 ;TFT_CmdRead_PROD:
663 ; setf TRISA ; PortA as input.
664 ; setf TRISH ; PortH as input.
665 ; RS_H ; Data
666 ; WR_H ; Not write
667 ; nop
668 ; nop
669 ; nop
670 ; RD_L ; Read!
671 ; nop
672 ; nop
673 ; nop
674 ; RD_H ; Tick
675 ; movff PORTA,PRODH
676 ; movff PORTH,PRODL
677 ; nop
678 ; clrf TRISA ; PortA as output
679 ; clrf TRISH ; PortH as output
680 ; return
681
636 TFT_DataRead_PROD: 682 TFT_DataRead_PROD:
637 Index_out 0x22 ; Frame Memory Data Read start 683 Index_out 0x22 ; Frame Memory Data Read start
684 TFT_CmdRead_PROD:
638 setf TRISA ; PortA as input. 685 setf TRISA ; PortA as input.
639 setf TRISH ; PortH as input. 686 setf TRISH ; PortH as input.
640 RS_H ; Data 687 RS_H ; Data
641 WR_H ; Not write 688 WR_H ; Not write
642 RD_L ; Read! 689 RD_L ; Read!