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fix

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This commit is contained in:
Joel Bodenmann 2012-12-02 15:36:55 +01:00
parent ae7da0770b
commit 2d449b1f7c
1 changed files with 14 additions and 14 deletions
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28
drivers/touchscreen/MCU/touchscreen_lld.c
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@ -98,27 +98,27 @@ static void ts_lld_filter(void) {
* @notapi
*/
uint16_t ts_lld_read_x(void) {
uint16_t val1, val2;
adcsample_t samples[ADC_NUM_CHANNELS * ADC_BUF_DEPTH];
uint16_t val1, val2;
adcsample_t samples[ADC_NUM_CHANNELS * ADC_BUF_DEPTH];
palSetPadMode(GPIOC, 0, PAL_MODE_INPUT_ANALOG);
palSetPadMode(GPIOC, 1, PAL_MODE_INPUT_ANALOG);
palSetPadMode(GPIOC, 2, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOC, 3, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(ts->yd_port, ts->yd_pin, PAL_MODE_INPUT_ANALOG);
palSetPadMode(ts->yu_port, ts->yu_pin, PAL_MODE_INPUT_ANALOG);
palSetPadMode(ts->xl_port, ts->xl_pin, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(ts->xr_port, ts->xr_pin, PAL_MODE_OUTPUT_PUSHPULL);
palSetPad(GPIOC, 2);
palClearPad(GPIOC, 3);
palSetPad(ts->xl_port, ts->xl_pin);
palClearPad(ts->xr_port, ts->xr_pin);
chThdSleepMilliseconds(1);
adcConvert(&ADCD1, &adc_x_config, samples, ADC_BUF_DEPTH);
adcConvert(ts->adc_driver, &adc_x_config, samples, ADC_BUF_DEPTH);
val1 = ((samples[0] + samples[1])/2);
palClearPad(GPIOC, 2);
palSetPad(GPIOC, 3);
palClearPad(ts->xl_port, ts->xl_pin);
palSetPad(ts->xr_port, ts->xr_pin);
chThdSleepMilliseconds(1);
adcConvert(&ADCD1, &adc_x_config, samples, ADC_BUF_DEPTH);
adcConvert(ts->adc_driver, &adc_x_config, samples, ADC_BUF_DEPTH);
val2 = ((samples[0] + samples[1])/2);
return ((val1+((1<<12)-val2))/4);
return ((val1+((1<<12)-val2))/4);
}
/**