127 lines
2.6 KiB
C
127 lines
2.6 KiB
C
/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://ugfx.io/license.html
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*/
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#ifndef _GDISP_LLD_BOARD_H
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#define _GDISP_LLD_BOARD_H
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// For a multiple display configuration we would put all this in a structure and then
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// set g->board to that structure.
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#define SET_CS palSetPad(GPIOD, 12);
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#define CLR_CS palClearPad(GPIOD, 12);
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#define SET_RS palSetPad(GPIOD, 13);
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#define CLR_RS palClearPad(GPIOD, 13);
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#define SET_WR palSetPad(GPIOD, 14);
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#define CLR_WR palClearPad(GPIOD, 14);
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#define SET_RD palSetPad(GPIOD, 15);
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#define CLR_RD palClearPad(GPIOD, 15);
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static GFXINLINE void init_board(GDisplay *g)
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{
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// As we are not using multiple displays we set g->board to NULL as we don't use it.
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g->board = 0;
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switch(g->controllerdisplay) {
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case 0: // Set up for Display 0
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palSetGroupMode(GPIOE, PAL_WHOLE_PORT, 0, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPadMode(GPIOD, 12, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPadMode(GPIOD, 13, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPadMode(GPIOD, 14, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPadMode(GPIOD, 15, PAL_MODE_OUTPUT_PUSHPULL);
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// Configure the pins to a well know state
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SET_RS;
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SET_RD;
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SET_WR;
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CLR_CS;
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break;
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}
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}
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static GFXINLINE void post_init_board(GDisplay *g)
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{
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(void) g;
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}
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static GFXINLINE void setpin_reset(GDisplay *g, gBool state)
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{
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(void) g;
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(void) state;
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/* Nothing to do here - reset pin tied to Vcc */
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}
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static GFXINLINE void set_backlight(GDisplay *g, uint8_t percent)
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{
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(void) g;
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(void) percent;
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/* Nothing to do here - Backlight always on */
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}
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static GFXINLINE void acquire_bus(GDisplay *g)
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{
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(void) g;
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}
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static GFXINLINE void release_bus(GDisplay *g)
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{
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(void) g;
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}
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static GFXINLINE void write_index(GDisplay *g, uint16_t index)
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{
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(void) g;
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palWritePort(GPIOE, index);
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CLR_RS;
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CLR_WR;
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SET_WR;
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SET_RS;
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}
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static GFXINLINE void write_data(GDisplay *g, uint16_t data)
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{
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(void) g;
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palWritePort(GPIOE, data);
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CLR_WR;
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SET_WR;
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}
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static GFXINLINE void setreadmode(GDisplay *g)
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{
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(void) g;
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// change pin mode to digital input
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palSetGroupMode(GPIOE, PAL_WHOLE_PORT, 0, PAL_MODE_INPUT);
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CLR_RD;
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}
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static GFXINLINE void setwritemode(GDisplay *g)
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{
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(void) g;
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// change pin mode back to digital output
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SET_RD;
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palSetGroupMode(GPIOE, PAL_WHOLE_PORT, 0, PAL_MODE_OUTPUT_PUSHPULL);
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}
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static GFXINLINE uint16_t read_data(GDisplay *g) {
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(void) g;
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return palReadPort(GPIOE);
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}
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#if defined(GDISP_USE_DMA)
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#error "GDISP - SSD1289: The GPIO interface does not support DMA"
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#endif
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#endif /* _GDISP_LLD_BOARD_H */
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