diff options
Diffstat (limited to 'drivers/gdisp/SSD1963/gdisp_lld_board_example_fsmc.h')
-rw-r--r-- | drivers/gdisp/SSD1963/gdisp_lld_board_example_fsmc.h | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/drivers/gdisp/SSD1963/gdisp_lld_board_example_fsmc.h b/drivers/gdisp/SSD1963/gdisp_lld_board_example_fsmc.h deleted file mode 100644 index a2c296b9..00000000 --- a/drivers/gdisp/SSD1963/gdisp_lld_board_example_fsmc.h +++ /dev/null @@ -1,177 +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://chibios-gfx.com/license.html - */ - -/** - * @file drivers/gdisp/SSD1963/gdisp_lld_board_example_fsmc.h - * @brief GDISP Graphic Driver subsystem board interface for the SSD1963 display. - * - * @details This file demonstrates how to interface an SSD1963 based display to an - * STM32 microcontroller using ChibiOS/RT. - * - * @addtogroup GDISP - * @{ - */ - -#ifndef _GDISP_LLD_BOARD_H -#define _GDISP_LLD_BOARD_H - -/* Using FSMC A16 as RS */ -#define GDISP_REG (*((volatile uint16_t *) 0x60000000)) /* RS = 0 */ -#define GDISP_RAM (*((volatile uint16_t *) 0x60020000)) /* RS = 1 */ - -/** - * @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 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) { - const unsigned char FSMC_Bank = 0; - - #if defined(STM32F1XX) || defined(STM32F3XX) - /* FSMC setup for F1/F3 */ - rccEnableAHB(RCC_AHBENR_FSMCEN, 0); - - #if defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM) - #error "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) && defined(GDISP_DMA_STREAM) - 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); - #endif - #else - #error "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_1 | FSMC_BTR1_ADDSET_3) \ - | (FSMC_BTR1_DATAST_1 | FSMC_BTR1_DATAST_3) \ - | (FSMC_BTR1_BUSTURN_1 | FSMC_BTR1_BUSTURN_3) ; - - /* 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 post_init_board(void) { - const unsigned char FSMC_Bank = 0; - /* FSMC delay reduced as the controller now runs at full speed */ - FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_0 | FSMC_BTR1_DATAST_2 | FSMC_BTR1_BUSTURN_0 ; - FSMC_Bank1->BTCR[FSMC_Bank] = FSMC_BCR1_MWID_0 | FSMC_BCR1_WREN | FSMC_BCR1_MBKEN; -} - -/** - * @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) { - //duty_cycle is 00..FF - //Work in progress: the SSD1963 has a built-in PWM, its output can - //be used by a Dynamic Background Control or by a host (user) - //Check your LCD's hardware, the PWM connection is default left open and instead - //connected to a LED connection on the breakout board - write_index(SSD1963_SET_PWM_CONF);//set PWM for BackLight - write_data(0x0001); - write_data(percent & 0x00FF); - write_data(0x0001);//controlled by host (not DBC), enabled - write_data(0x00FF); - write_data(0x0060);//don't let it go too dark, avoid a useless LCD - write_data(0x000F);//prescaler ??? -} - -/** - * @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 */ -} - -#if GDISP_HARDWARE_READPIXEL || GDISP_HARDWARE_SCROLL || defined(__DOXYGEN__) -/** - * @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; -} -#endif - -#endif /* _GDISP_LLD_BOARD_H */ -/** @} */ - |