diff options
Diffstat (limited to 'drivers/gdisp/SSD1289/gdisp_lld_board_st_stm32f4_discovery.h')
-rw-r--r-- | drivers/gdisp/SSD1289/gdisp_lld_board_st_stm32f4_discovery.h | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/drivers/gdisp/SSD1289/gdisp_lld_board_st_stm32f4_discovery.h b/drivers/gdisp/SSD1289/gdisp_lld_board_st_stm32f4_discovery.h deleted file mode 100644 index 7097347b..00000000 --- a/drivers/gdisp/SSD1289/gdisp_lld_board_st_stm32f4_discovery.h +++ /dev/null @@ -1,215 +0,0 @@ -/* - * 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 drivers/gdisp/SSD1289/gdisp_lld_board_st_stm32f4_discovery.h - * @brief GDISP Graphic Driver subsystem board interface for the SSD1289 display. - * - * @addtogroup GDISP - * @{ - */ - -#ifndef _GDISP_LLD_BOARD_H -#define _GDISP_LLD_BOARD_H - -#define GDISP_REG ((volatile uint16_t *) 0x60000000)[0] /* RS = 0 */ -#define GDISP_RAM ((volatile uint16_t *) 0x60020000)[0] /* RS = 1 */ -#define GDISP_DMA_STREAM STM32_DMA2_STREAM6 - -const unsigned char FSMC_Bank = 0; - -/* PWM configuration structure. We use timer 3 channel 3 */ -static const PWMConfig pwmcfg = { - 100000, /* 100 kHz PWM clock frequency. */ - 100, /* PWM period is 100 cycles. */ - NULL, - { - {PWM_OUTPUT_DISABLED, NULL}, - {PWM_OUTPUT_DISABLED, NULL}, - {PWM_OUTPUT_ACTIVE_HIGH, NULL}, - {PWM_OUTPUT_DISABLED, NULL} - }, - 0 -}; - -/** - * @brief Initialise the board for the display. - * @notes Performs the following functions: - * 1. initialise the io port used by your display - * 2. initialise the reset pin (initial state not-in-reset) - * 3. initialise the chip select pin (initial state not-active) - * 4. initialise the backlight pin (initial state back-light off) - * - * @notapi - */ -static inline void init_board(void) { - - #if defined(STM32F1XX) || defined(STM32F3XX) - /* FSMC setup for F1/F3 */ - rccEnableAHB(RCC_AHBENR_FSMCEN, 0); - - #if defined(GDISP_USE_DMA) - #error "GDISP: SSD1289 - DMA not implemented for F1/F3 Devices" - #endif - #elif defined(STM32F4XX) || defined(STM32F2XX) - /* STM32F2-F4 FSMC init */ - rccEnableAHB3(RCC_AHB3ENR_FSMCEN, 0); - - #if defined(GDISP_USE_DMA) - if (dmaStreamAllocate(GDISP_DMA_STREAM, 0, NULL, NULL)) gfxExit(); - dmaStreamSetMemory0(GDISP_DMA_STREAM, &GDISP_RAM); - dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M); - #else - #warning "GDISP: SSD1289 - DMA is supported for F2/F4 Devices. Define GDISP_USE_DMA in your gfxconf.h to turn this on for better performance." - #endif - #else - #error "GDISP: SSD1289 - FSMC not implemented for this device" - #endif - - /* set pins to FSMC mode */ - IOBus busD = {GPIOD, (1 << 0) | (1 << 1) | (1 << 4) | (1 << 5) | (1 << 7) | (1 << 8) | - (1 << 9) | (1 << 10) | (1 << 11) | (1 << 14) | (1 << 15), 0}; - - IOBus busE = {GPIOE, (1 << 7) | (1 << 8) | (1 << 9) | (1 << 10) | (1 << 11) | (1 << 12) | - (1 << 13) | (1 << 14) | (1 << 15), 0}; - - palSetBusMode(&busD, PAL_MODE_ALTERNATE(12)); - palSetBusMode(&busE, PAL_MODE_ALTERNATE(12)); - - /* FSMC timing */ - FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_0 | FSMC_BTR1_DATAST_2 | FSMC_BTR1_BUSTURN_0 ; - - /* 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; - - /* Display backlight control */ - /* TIM3 is an alternate function 2 (AF2) */ - pwmStart(&PWMD3, &pwmcfg); - palSetPadMode(GPIOB, 0, PAL_MODE_ALTERNATE(2)); - pwmEnableChannel(&PWMD3, 2, 100); - -} - -/** - * @brief Set or clear the lcd reset pin. - * - * @param[in] state TRUE = lcd in reset, FALSE = normal operation - * - * @notapi - */ -static inline void setpin_reset(bool_t state) { - (void) state; - /* Nothing to do here */ -} - -/** - * @brief Set the lcd back-light level. - * - * @param[in] percent 0 to 100% - * - * @notapi - */ -static inline void set_backlight(uint8_t percent) { - pwmEnableChannel(&PWMD3, 2, percent); -} - -/** - * @brief Take exclusive control of the bus - * - * @notapi - */ -static inline void acquire_bus(void) { - /* Nothing to do here */ -} - -/** - * @brief Release exclusive control of the bus - * - * @notapi - */ -static inline void release_bus(void) { - /* Nothing to do here */ -} - -/** - * @brief Send data to the index register. - * - * @param[in] index The index register to set - * - * @notapi - */ -static inline void write_index(uint16_t index) { GDISP_REG = index; } - -/** - * @brief Send data to the lcd. - * - * @param[in] data The data to send - * - * @notapi - */ -static inline void write_data(uint16_t data) { GDISP_RAM = data; } - -/** - * @brief Set the bus in read mode - * - * @notapi - */ -static inline void setreadmode(void) { - FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_3 | FSMC_BTR1_DATAST_3 | FSMC_BTR1_BUSTURN_0; /* FSMC timing */ -} - -/** - * @brief Set the bus back into write mode - * - * @notapi - */ -static inline void setwritemode(void) { - FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_0 | FSMC_BTR1_DATAST_2 | FSMC_BTR1_BUSTURN_0; /* FSMC timing */ -} - -/** - * @brief Read data from the lcd. - * - * @return The data from the lcd - * @note The chip select may need to be asserted/de-asserted - * around the actual spi read - * - * @notapi - */ -static inline uint16_t read_data(void) { return GDISP_RAM; } - -#if defined(GDISP_USE_DMA) || defined(__DOXYGEN__) - /** - * @brief Transfer data using DMA but don't increment the source address - */ - static inline dma_with_noinc(color_t *buffer, int area) { - dmaStreamSetPeripheral(GDISP_DMA_STREAM, buffer); - dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M); - for (; area > 0; area -= 65535) { - dmaStreamSetTransactionSize(GDISP_DMA_STREAM, area > 65535 ? 65535 : area); - dmaStreamEnable(GDISP_DMA_STREAM); - dmaWaitCompletion(GDISP_DMA_STREAM); - } - } - - /** - * @brief Transfer data using DMA incrementing the source address - */ - static inline dma_with_inc(color_t *buffer, int area) { - dmaStreamSetPeripheral(GDISP_DMA_STREAM, buffer); - dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PINC | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M); - for (; area > 0; area -= 65535) { - dmaStreamSetTransactionSize(GDISP_DMA_STREAM, area > 65535 ? 65535 : area); - dmaStreamEnable(GDISP_DMA_STREAM); - dmaWaitCompletion(GDISP_DMA_STREAM); - } - } -#endif - -#endif /* _GDISP_LLD_BOARD_H */ -/** @} */ |