81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://chibios-gfx.com/license.html
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*/
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/**
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* @file drivers/gdisp/ILI9320/gdisp_lld_board_olimex_stm32_lcd.h
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* @brief GDISP Graphic Driver subsystem board interface for the ILI9320 display.
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*
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* @addtogroup GDISP
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* @{
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*/
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#ifndef GDISP_LLD_BOARD_H
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#define GDISP_LLD_BOARD_H
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#define GDISP_REG (*((volatile uint16_t *) 0x60000000)) /* RS = 0 */
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#define GDISP_RAM (*((volatile uint16_t *) 0x60100000)) /* RS = 1 */
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static inline void gdisp_lld_init_board(void) {
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/* FSMC setup for F1 */
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rccEnableAHB(RCC_AHBENR_FSMCEN, 0);
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/* set pin modes */
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IOBus busD = {GPIOD, PAL_WHOLE_PORT, 0};
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IOBus busE = {GPIOE, PAL_WHOLE_PORT, 0};
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palSetBusMode(&busD, PAL_MODE_STM32_ALTERNATE_PUSHPULL);
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palSetBusMode(&busE, PAL_MODE_STM32_ALTERNATE_PUSHPULL);
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palSetPadMode(GPIOE, GPIOE_TFT_RST, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPadMode(GPIOD, GPIOD_TFT_LIGHT, PAL_MODE_OUTPUT_PUSHPULL);
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const unsigned char FSMC_Bank = 0;
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/* FSMC timing */
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FSMC_Bank1->BTCR[FSMC_Bank+1] = (6) | (10 << 8) | (10 << 16);
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/* Bank1 NOR/SRAM control register configuration
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* This is actually not needed as already set by default after reset */
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FSMC_Bank1->BTCR[FSMC_Bank] = FSMC_BCR1_MWID_0 | FSMC_BCR1_WREN | FSMC_BCR1_MBKEN;
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}
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static inline void gdisp_lld_reset_pin(bool_t state) {
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if(state)
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palClearPad(GPIOE, GPIOE_TFT_RST);
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else
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palSetPad(GPIOE, GPIOE_TFT_RST);
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}
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static inline void acquire_bus(void) {
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/* Nothing to do here since LCD is the only device on that bus */
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}
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static inline void release_bus(void) {
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/* Nothing to do here since LCD is the only device on that bus */
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}
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static inline void gdisp_lld_write_index(uint16_t reg) {
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GDISP_REG = reg;
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}
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static inline void gdisp_lld_write_data(uint16_t data) {
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GDISP_RAM = data;
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}
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static inline uint16_t gdisp_lld_read_data(void) {
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return GDISP_RAM;
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}
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static inline void gdisp_lld_backlight(uint8_t percent) {
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if(percent == 100)
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palClearPad(GPIOD, GPIOD_TFT_LIGHT);
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else
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palSetPad(GPIOD, GPIOD_TFT_LIGHT);
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}
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#endif /* GDISP_LLD_BOARD_H */
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/** @} */
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