130 lines
2.6 KiB
C
130 lines
2.6 KiB
C
/*
|
|
* 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
|
|
*/
|
|
|
|
/**
|
|
* @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 */
|