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