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This commit is contained in:
Joel Bodenmann 2013-12-05 21:30:34 +01:00
parent ae556531bd
commit fba19322a3
1 changed files with 9 additions and 9 deletions
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18
boards/addons/ginput/touch/ADS7843/ginput_lld_mouse_board_st_stm32f4_discovery.h
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@ -15,7 +15,7 @@
* MISO: GPIOB, 14
* MOSI: GPIOB, 15
* CS: GPIOC, 4
* IRC: GPIOC, 5
* IRC: GPIOC, 5
*
* Note that you can tweak the SPI bus speed
*/
@ -41,7 +41,7 @@ static inline bool_t getpin_pressed(void) {
static inline void aquire_bus(void) {
spiAcquireBus(&SPID2);
palClearPad(GPIOC, 4);
palClearPad(GPIOC, 4);
}
static inline void release_bus(void) {
@ -50,16 +50,16 @@ static inline void release_bus(void) {
}
static inline uint16_t read_value(uint16_t port) {
static uint8_t txbuf[3] = {0};
static uint8_t rxbuf[3] = {0};
uint16_t ret;
static uint8_t txbuf[3] = {0};
static uint8_t rxbuf[3] = {0};
uint16_t ret;
txbuf[0] = port;
txbuf[0] = port;
spiExchange(&SPID2, 3, txbuf, rxbuf);
spiExchange(&SPID2, 3, txbuf, rxbuf);
ret = (rxbuf[1] << 5) | (rxbuf[2] >> 3);
ret = (rxbuf[1] << 5) | (rxbuf[2] >> 3);
return ret;
}