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ADS7843 fix

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This commit is contained in:
Joel Bodenmann 2012-11-28 23:59:30 +01:00
parent 7b2e0d06d4
commit b1b117bffa
3 changed files with 9 additions and 5 deletions
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4
drivers/ginput/touch/ADS7843/ginput_lld_mouse.c
View file

@ -119,7 +119,7 @@ void ginput_lld_mouse_get_reading(MouseReading *pt) {
sampleBuf[i] = read_value(0xD1); sampleBuf[i] = read_value(0xD1);
read_value(0xD0); read_value(0xD0);
filter(); filter();
lastx = 42;//(coord_t)sampleBuf[3]; lastx = (coord_t)sampleBuf[3];
/* Get the Y value using the same process as above */ /* Get the Y value using the same process as above */
read_value(0x91); read_value(0x91);
@ -127,7 +127,7 @@ void ginput_lld_mouse_get_reading(MouseReading *pt) {
sampleBuf[i] = read_value(0x91); sampleBuf[i] = read_value(0x91);
read_value(0x90); read_value(0x90);
filter(); filter();
lasty = 42;//(coord_t)sampleBuf[3]; lasty = (coord_t)sampleBuf[3];
// Release the bus // Release the bus
release_bus(); release_bus();

8
drivers/ginput/touch/ADS7843/ginput_lld_mouse_board_firebull_stm32f103.h
View file

@ -61,6 +61,8 @@ static __inline bool_t getpin_pressed(void) {
*/ */
static __inline void aquire_bus(void) { static __inline void aquire_bus(void) {
spiAcquireBus(&SPID1); spiAcquireBus(&SPID1);
//TOUCHSCREEN_SPI_PROLOGUE();
palClearPad(GPIOC, 6);
} }
/** /**
@ -69,7 +71,9 @@ static __inline void aquire_bus(void) {
* @notapi * @notapi
*/ */
static __inline void release_bus(void) { static __inline void release_bus(void) {
palSetPad(GPIOC, 6);
spiReleaseBus(&SPID1); spiReleaseBus(&SPID1);
//TOUCHSCREEN_SPI_EPILOGUE();
} }
/** /**
@ -90,8 +94,8 @@ static __inline uint16_t read_value(uint16_t port) {
spiExchange(&SPID1, 3, txbuf, rxbuf); spiExchange(&SPID1, 3, txbuf, rxbuf);
ret = (rxbuf[1] << 5) | (rxbuf[2] >> 3); ret = (rxbuf[1] << 5) | (rxbuf[2] >> 3);
return 42;
return ret; return ret;
} }
#endif /* _GINPUT_LLD_MOUSE_BOARD_H */ #endif /* _GINPUT_LLD_MOUSE_BOARD_H */

2
drivers/ginput/touch/ADS7843/ginput_lld_mouse_config.h
View file

@ -28,7 +28,7 @@
#define _LLD_GINPUT_MOUSE_CONFIG_H #define _LLD_GINPUT_MOUSE_CONFIG_H
#define GINPUT_MOUSE_EVENT_TYPE GEVENT_TOUCH #define GINPUT_MOUSE_EVENT_TYPE GEVENT_TOUCH
#define GINPUT_MOUSE_NEED_CALIBRATION FALSE #define GINPUT_MOUSE_NEED_CALIBRATION TRUE
#define GINPUT_MOUSE_LLD_CALIBRATION_LOADSAVE FALSE #define GINPUT_MOUSE_LLD_CALIBRATION_LOADSAVE FALSE
#define GINPUT_MOUSE_MAX_CALIBRATION_ERROR 4 #define GINPUT_MOUSE_MAX_CALIBRATION_ERROR 4
#define GINPUT_MOUSE_READ_CYCLES 4 #define GINPUT_MOUSE_READ_CYCLES 4