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[ILI9320] LLD for olimex pic32 demo board

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This commit is contained in:
Dmytro Milinevskyy 2013-04-05 00:04:04 +02:00
parent d1448817cd
commit dc14f8713e
2 changed files with 116 additions and 0 deletions
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2
drivers/gdisp/ILI9320/gdisp_lld.c
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@ -40,6 +40,8 @@
#include "gdisp_lld_board.h"
#elif defined(BOARD_OLIMEX_STM32_LCD)
#include "gdisp_lld_board_olimex_stm32_lcd.h"
#elif defined(BOARD_OLIMEX_PIC32MX_LCD)
#include "gdisp_lld_board_olimex_pic32mx_lcd.h"
#else
#include "gdisp_lld_board.h"
#endif

114
drivers/gdisp/ILI9320/gdisp_lld_board_olimex_pic32mx_lcd.h Normal file
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@ -0,0 +1,114 @@
/*
ChibiOS/GFX - Copyright (C) 2013
Dmytro Milinevskyy <milinevskyy@gmail.com>
This file is part of ChibiOS/GFX.
ChibiOS/GFX is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/GFX is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file drivers/gdisp/ILI9320/gdisp_lld_board_olimex_pic32mx_lcd.h
* @brief GDISP Graphic Driver subsystem board interface for the ILI9325 display.
*
* @addtogroup GDISP
* @{
*/
#ifndef GDISP_LLD_BOARD_H
#define GDISP_LLD_BOARD_H
#ifndef noinline
#define noinline __attribute__((noinline))
#endif
static void gdisp_lld_init_board(void) {
// 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);
}
#define PmpWaitBusy() do {} while (PMMODEbits.BUSY)
static noinline void gdisp_lld_reset_pin(bool_t state) {
if (state)
palClearPad(IOPORTA, 7);
else
palSetPad(IOPORTA, 7);
}
static noinline void gdisp_lld_write_index(uint16_t data) {
PmpWaitBusy();
palClearPad(IOPORTA, 10);
PMDIN = data;
PmpWaitBusy();
palSetPad(IOPORTA, 10);
}
static noinline void gdisp_lld_write_data(uint16_t data) {
PMDIN = data;
PmpWaitBusy();
}
static noinline uint16_t gdisp_lld_read_data(void) {
PmpWaitBusy();
return PMDIN;
}
/* if not available, just ignore the argument and return */
static void gdisp_lld_backlight(uint8_t percentage) {
if (percentage)
palClearPad(IOPORTD, 3);
else
palSetPad(IOPORTD, 3);
}
static inline void acquire_bus(void) {
/* Nothing to do here since LCD is the only device on that bus */
}
static inline void release_bus(void) {
/* Nothing to do here since LCD is the only device on that bus */
}
#endif /* GDISP_LLD_BOARD_H */
/** @} */