fixed some board file
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@ -5,18 +5,17 @@
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* http://ugfx.org/license.html
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*/
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/**
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* @file drivers/ginput/touch/ADS7843/ginput_lld_mouse_board_olimex_stm32_e407.h
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* @brief GINPUT Touch low level driver source for the ADS7843 on an Olimex STM32E407.
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*
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* @defgroup Mouse Mouse
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* @ingroup GINPUT
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* @{
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*/
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#ifndef _GINPUT_LLD_MOUSE_BOARD_H
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#define _GINPUT_LLD_MOUSE_BOARD_H
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/*
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* uGFX port used: ChibiOS/RT
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* SPI port: SPI2
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* CS: GPIOC, 4
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* IRC: GPIOC, 5
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*
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* Note that you can tweak the SPI bus speed
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*/
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static const SPIConfig spicfg = {
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NULL,
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GPIOC,
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@ -24,54 +23,29 @@ static const SPIConfig spicfg = {
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/* SPI_CR1_BR_2 |*/ SPI_CR1_BR_1 | SPI_CR1_BR_0,
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};
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/**
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* @brief Initialise the board for the touch.
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*
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* @notapi
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*/
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static inline void init_board(void) {
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palSetPadMode(GPIOB, 13, PAL_MODE_ALTERNATE(5) ); /* SCK */
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palSetPadMode(GPIOB, 14, PAL_MODE_ALTERNATE(5) ); /* MISO */
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palSetPadMode(GPIOB, 15, PAL_MODE_ALTERNATE(5) ); /* MOSI */
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palSetPadMode(GPIOC, 4, PAL_MODE_OUTPUT_PUSHPULL); /* CS */
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spiStart(&SPID2, &spicfg);
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}
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/**
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* @brief Check whether the surface is currently touched
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* @return TRUE if the surface is currently touched
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*
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* @notapi
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*/
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static inline bool_t getpin_pressed(void) {
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return (!palReadPad(GPIOC, 5));
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}
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/**
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* @brief Aquire the bus ready for readings
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*
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* @notapi
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*/
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static inline void aquire_bus(void) {
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spiAcquireBus(&SPID2);
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//TOUCHSCREEN_SPI_PROLOGUE();
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palClearPad(GPIOC, 4);
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}
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/**
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* @brief Release the bus after readings
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*
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* @notapi
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*/
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static inline void release_bus(void) {
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palSetPad(GPIOC, 4);
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spiReleaseBus(&SPID2);
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//TOUCHSCREEN_SPI_EPILOGUE();
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}
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/**
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* @brief Read a value from touch controller
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* @return The value read from the controller
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*
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* params[in] port The controller port to read.
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*
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* @notapi
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*/
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static inline uint16_t read_value(uint16_t port) {
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static uint8_t txbuf[3] = {0};
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static uint8_t rxbuf[3] = {0};
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@ -87,4 +61,4 @@ static inline uint16_t read_value(uint16_t port) {
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}
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#endif /* _GINPUT_LLD_MOUSE_BOARD_H */
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/** @} */
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