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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.io/license.html
*/
/**
* @file boards/addons/gdisp/board_ILI9320_olimex_pic32mx_lcd.h
* @brief GDISP Graphic Driver subsystem board SPI interface for the ILI9325 display.
*
* @note This file contains a mix of hardware specific and operating system specific
* code. You will need to change it for your CPU and/or operating system.
*/
#ifndef GDISP_LLD_BOARD_H
#define GDISP_LLD_BOARD_H
#ifndef noinline
#define noinline __attribute__((noinline))
#endif
static 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
// RST
palSetPadMode(IOPORTA, 7, PAL_MODE_OUTPUT);
palClearPad(IOPORTA, 7);
// RS
palSetPadMode(IOPORTA, 10, PAL_MODE_OUTPUT);
palSetPad(IOPORTA, 10);
// CS
palSetPadMode(IOPORTA, 9, PAL_MODE_OUTPUT);
palClearPad(IOPORTA, 9);
// Backlight
palSetPadMode(IOPORTD, 3, PAL_MODE_OUTPUT);
palSetPad(IOPORTD, 3);
// PMP setup
PMMODE = 0;
PMAEN = 0;
PMCON = 0;
PMMODEbits.MODE = 2;
PMMODEbits.WAITB = 0;
PMMODEbits.WAITM = 1;
PMMODEbits.WAITE = 0;
PMCONbits.CSF = 0;
PMCONbits.PTRDEN = 1;
PMCONbits.PTWREN = 1;
PMMODEbits.MODE16 = 1;
PMCONbits.PMPEN = 1;
palClearPad(IOPORTA, 9);
break;
}
}
#define PmpWaitBusy() do {} while (PMMODEbits.BUSY)
static GFXINLINE void post_init_board(GDisplay *g) {
(void) g;
}
static noinline void setpin_reset(GDisplay *g, gBool state) {
(void) g;
if (state)
palClearPad(IOPORTA, 7);
else
palSetPad(IOPORTA, 7);
}
static void set_backlight(GDisplay *g, uint8_t percent) {
(void) g;
if (percentage)
palClearPad(IOPORTD, 3);
else
palSetPad(IOPORTD, 3);
}
static GFXINLINE void acquire_bus(GDisplay *g) {
(void) g;
}
static GFXINLINE void release_bus(GDisplay *g) {
(void) g;
}
static noinline void write_index(GDisplay *g, uint16_t index) {
volatile uint16_t dummy;
(void) g;
PmpWaitBusy();
palClearPad(IOPORTA, 10);
PMDIN = index;
PmpWaitBusy();
palSetPad(IOPORTA, 10);
dummy = PMDIN;
(void)dummy;
}
static noinline void write_data(GDisplay *g, uint16_t data) {
(void) g;
PMDIN = data;
PmpWaitBusy();
}
static GFXINLINE void setreadmode(GDisplay *g) {
(void) g;
}
static GFXINLINE void setwritemode(GDisplay *g) {
(void) g;
}
static noinline uint16_t read_data(GDisplay *g) {
(void) g;
PmpWaitBusy();
return PMDIN;
}
#endif /* GDISP_LLD_BOARD_H */
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