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touchpad driver fixes

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This commit is contained in:
Tectu 2012-08-13 08:08:38 +02:00
parent e78626a8bb
commit 46e67f657d
2 changed files with 9 additions and 9 deletions
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10
drivers/touchpad/touchpadADS7843/touchpad_lld.c
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@ -91,7 +91,7 @@ void tp_lld_init(TOUCHPADDriver *tp) {
uint16_t tp_lld_read_x(void) { uint16_t tp_lld_read_x(void) {
uint8_t txbuf[1]; uint8_t txbuf[1];
uint8_t rxbuf[2]; uint8_t rxbuf[2];
uint16_t y; uint16_t x;
txbuf[0] = 0xd0; txbuf[0] = 0xd0;
TP_CS_LOW; TP_CS_LOW;
@ -99,14 +99,14 @@ uint16_t tp_lld_read_x(void) {
spiReceive(&SPID1, 2, rxbuf); spiReceive(&SPID1, 2, rxbuf);
TP_CS_HIGH; TP_CS_HIGH;
y = rxbuf[0] << 4; x = rxbuf[0] << 4;
y |= rxbuf[1] >> 4; x |= rxbuf[1] >> 4;
return y; return x;
} }
/* /*
* @brief Reads out the X direction. * @brief Reads out the Y direction.
* *
* @notapi * @notapi
*/ */

8
drivers/touchpad/touchpadXPT2046/touchpad_lld.c
View file

@ -91,7 +91,7 @@ void tp_lld_init(TOUCHPADDriver *tp) {
uint16_t tp_lld_read_x(void) { uint16_t tp_lld_read_x(void) {
uint8_t txbuf[1]; uint8_t txbuf[1];
uint8_t rxbuf[2]; uint8_t rxbuf[2];
uint16_t y; uint16_t x;
txbuf[0] = 0xd0; txbuf[0] = 0xd0;
TP_CS_LOW; TP_CS_LOW;
@ -99,10 +99,10 @@ uint16_t tp_lld_read_x(void) {
spiReceive(&SPID1, 2, rxbuf); spiReceive(&SPID1, 2, rxbuf);
TP_CS_HIGH; TP_CS_HIGH;
y = rxbuf[0] << 4; x = rxbuf[0] << 4;
y |= rxbuf[1] >> 4; x |= rxbuf[1] >> 4;
return y; return x;
} }
/* /*