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/*
* This file is subject to the terms of the GFX License, v1.0. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://chibios-gfx.com/license.html
*/
/**
* @file drivers/gdisp/ILI9320/gdisp_lld_board_olimex_stm32_lcd.h
* @brief GDISP Graphic Driver subsystem board interface for the ILI9320 display.
*
* @addtogroup GDISP
* @{
*/
#ifndef GDISP_LLD_BOARD_H
#define GDISP_LLD_BOARD_H
#define GDISP_REG (*((volatile uint16_t *) 0x60000000)) /* RS = 0 */
#define GDISP_RAM (*((volatile uint16_t *) 0x60100000)) /* RS = 1 */
static inline void gdisp_lld_init_board(void) {
/* FSMC setup for F1 */
rccEnableAHB(RCC_AHBENR_FSMCEN, 0);
/* set pin modes */
IOBus busD = {GPIOD, PAL_WHOLE_PORT, 0};
IOBus busE = {GPIOE, PAL_WHOLE_PORT, 0};
palSetBusMode(&busD, PAL_MODE_STM32_ALTERNATE_PUSHPULL);
palSetBusMode(&busE, PAL_MODE_STM32_ALTERNATE_PUSHPULL);
palSetPadMode(GPIOE, GPIOE_TFT_RST, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOD, GPIOD_TFT_LIGHT, PAL_MODE_OUTPUT_PUSHPULL);
const unsigned char FSMC_Bank = 0;
/* FSMC timing */
FSMC_Bank1->BTCR[FSMC_Bank+1] = (6) | (10 << 8) | (10 << 16);
/* Bank1 NOR/SRAM control register configuration
* This is actually not needed as already set by default after reset */
FSMC_Bank1->BTCR[FSMC_Bank] = FSMC_BCR1_MWID_0 | FSMC_BCR1_WREN | FSMC_BCR1_MBKEN;
}
static inline void gdisp_lld_reset_pin(bool_t state) {
if(state)
palClearPad(GPIOE, GPIOE_TFT_RST);
else
palSetPad(GPIOE, GPIOE_TFT_RST);
}
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 */
}
static inline void gdisp_lld_write_index(uint16_t reg) {
GDISP_REG = reg;
}
static inline void gdisp_lld_write_data(uint16_t data) {
GDISP_RAM = data;
}
static inline uint16_t gdisp_lld_read_data(void) {
return GDISP_RAM;
}
static inline void gdisp_lld_backlight(uint8_t percent) {
if(percent == 100)
palClearPad(GPIOD, GPIOD_TFT_LIGHT);
else
palSetPad(GPIOD, GPIOD_TFT_LIGHT);
}
#endif /* GDISP_LLD_BOARD_H */
/** @} */
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