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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2251 35acf78f-673a-0410-8e92-d51de3d6d3f4

master
gdisirio 2010-10-12 17:59:47 +00:00
parent 935e2fb27f
commit eaaf043cda
3 changed files with 17 additions and 26 deletions
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17
os/hal/platforms/STM32/adc_lld.c
View File

@ -66,9 +66,9 @@ CH_IRQ_HANDLER(DMA1_Ch1_IRQHandler) {
dmaClearChannel(STM32_DMA1, STM32_DMA_CHANNEL_1);
if ((isr & DMA_ISR_HTIF1) != 0) {
/* Half transfer processing.*/
if (ADCD1.ad_grpp->acg_callback != NULL) {
if (ADCD1.ad_grpp->acg_endcb != NULL) {
/* Invokes the callback passing the 1st half of the buffer.*/
ADCD1.ad_grpp->acg_callback(&ADCD1, ADCD1.ad_samples, ADCD1.ad_depth / 2);
ADCD1.ad_grpp->acg_endcb(&ADCD1, ADCD1.ad_samples, ADCD1.ad_depth / 2);
}
}
if ((isr & DMA_ISR_TCIF1) != 0) {
@ -80,20 +80,25 @@ CH_IRQ_HANDLER(DMA1_Ch1_IRQHandler) {
ADCD1.ad_state = ADC_COMPLETE;
#if ADC_USE_WAIT
chSysLockFromIsr();
chSemResetI(&ADCD1.ad_sem, 0);
if (ADCD1.ad_thread != NULL) {
Thread *tp = ADCD1.ad_thread;
ADCD1.ad_thread = NULL;
tp->p_u.rdymsg = RDY_OK;
chSchReadyI(tp);
}
chSysUnlockFromIsr();
#endif
}
/* Callback handling.*/
if (ADCD1.ad_grpp->acg_callback != NULL) {
if (ADCD1.ad_grpp->acg_endcb != NULL) {
if (ADCD1.ad_depth > 1) {
/* Invokes the callback passing the 2nd half of the buffer.*/
size_t half = ADCD1.ad_depth / 2;
ADCD1.ad_grpp->acg_callback(&ADCD1, ADCD1.ad_samples + half, half);
ADCD1.ad_grpp->acg_endcb(&ADCD1, ADCD1.ad_samples + half, half);
}
else {
/* Invokes the callback passing the whole buffer.*/
ADCD1.ad_grpp->acg_callback(&ADCD1, ADCD1.ad_samples, ADCD1.ad_depth);
ADCD1.ad_grpp->acg_endcb(&ADCD1, ADCD1.ad_samples, ADCD1.ad_depth);
}
}
}

3
os/hal/src/adc.c
View File

@ -268,8 +268,7 @@ msg_t adcConvert(ADCDriver *adcp,
msg_t msg;
chSysLock();
chDbgAssert(adcp->ad_config->ac_endcb == NULL,
"adcConvert(), #1", "has callback");
chDbgAssert(grpp->acg_endcb == NULL, "adcConvert(), #1", "has callback");
adcStartConversionI(adcp, grpp, samples, depth);
(adcp)->ad_thread = chThdSelf();
chSchGoSleepS(THD_STATE_SUSPENDED);

23
testhal/STM32/ADC/main.c
View File

@ -29,7 +29,6 @@
static const ADCConfig adccfg = {};
static adcsample_t samples[ADC_GRP1_NUM_CHANNELS * ADC_GRP1_BUF_DEPTH];
static Thread *adctp;
/*
* ADC streaming callback.
@ -66,20 +65,6 @@ static const ADCConversionGroup adcgrpcfg = {
ADC_SQR3_SQ1_N(ADC_CHANNEL_IN11) | ADC_SQR3_SQ0_N(ADC_CHANNEL_IN10)
};
/*
* ADC continuous conversion thread.
*/
static WORKING_AREA(adc_continuous_wa, 256);
static msg_t adc_continuous_thread(void *p){
(void)p;
adcStart(&ADCD1, &adccfg);
adcStartConversion(&ADCD1, &adcgrpcfg, samples, ADC_GRP1_BUF_DEPTH);
adcWaitConversion(&ADCD1, TIME_INFINITE);
adcStop(&ADCD1);
return 0;
}
/*
* Red LEDs blinker thread, times are in milliseconds.
*/
@ -118,15 +103,17 @@ int main(int argc, char **argv) {
chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
/*
* Creates the ADC continuous conversion test thread.
* Starts an ADC continuous conversion.
*/
adctp = chThdCreateStatic(adc_continuous_wa, sizeof(adc_continuous_wa),
NORMALPRIO + 10, adc_continuous_thread, NULL);
adcStart(&ADCD1, &adccfg);
adcStartConversion(&ADCD1, &adcgrpcfg, samples, ADC_GRP1_BUF_DEPTH);
/*
* Normal main() thread activity, in this demo it does nothing.
*/
while (TRUE) {
if (palReadPad(IOPORT1, GPIOA_BUTTON))
adcStopConversion(&ADCD1);
chThdSleepMilliseconds(500);
}
return 0;