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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-09-25 06:20:11 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-09-25 06:20:11 +0000 |
| commit | 81d6a0d4b67af3260dc5367314510187781640f2 (patch) | |
| tree | 880a5f6baa59a571048aed5c55784ede0ed64e19 /testhal/STM32F1xx/ADC/main.c | |
| parent | 4c37f7b08813f3c0b805c605780938d7d2ef8ae6 (diff) | |
| download | ChibiOS-81d6a0d4b67af3260dc5367314510187781640f2.tar.gz ChibiOS-81d6a0d4b67af3260dc5367314510187781640f2.tar.bz2 ChibiOS-81d6a0d4b67af3260dc5367314510187781640f2.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3402 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'testhal/STM32F1xx/ADC/main.c')
| -rw-r--r-- | testhal/STM32F1xx/ADC/main.c | 61 |
1 files changed, 47 insertions, 14 deletions
diff --git a/testhal/STM32F1xx/ADC/main.c b/testhal/STM32F1xx/ADC/main.c index bfb717b17..9cc316fa8 100644 --- a/testhal/STM32F1xx/ADC/main.c +++ b/testhal/STM32F1xx/ADC/main.c @@ -21,10 +21,14 @@ #include "ch.h"
#include "hal.h"
-#define ADC_GRP1_NUM_CHANNELS 8
-#define ADC_GRP1_BUF_DEPTH 16
+#define ADC_GRP1_NUM_CHANNELS 1
+#define ADC_GRP1_BUF_DEPTH 8
-static adcsample_t samples[ADC_GRP1_NUM_CHANNELS * ADC_GRP1_BUF_DEPTH];
+#define ADC_GRP2_NUM_CHANNELS 8
+#define ADC_GRP2_BUF_DEPTH 16
+
+static adcsample_t samples1[ADC_GRP1_NUM_CHANNELS * ADC_GRP1_BUF_DEPTH];
+static adcsample_t samples2[ADC_GRP2_NUM_CHANNELS * ADC_GRP2_BUF_DEPTH];
/*
* ADC streaming callback.
@@ -33,7 +37,7 @@ size_t nx = 0, ny = 0; static void adccallback(ADCDriver *adcp, adcsample_t *buffer, size_t n) {
(void)adcp;
- if (samples == buffer) {
+ if (samples2 == buffer) {
nx += n;
}
else {
@@ -49,19 +53,38 @@ static void adcerrorcallback(ADCDriver *adcp, adcerror_t err) { /*
* ADC conversion group.
- * Mode: Streaming, continuous, 16 samples of 8 channels, SW triggered.
+ * Mode: Linear buffer, 16 samples of 8 channels, SW triggered.
* Channels: IN10, IN11, IN10, IN11, IN10, IN11, Sensor, VRef.
*/
-static const ADCConversionGroup adcgrpcfg = {
- TRUE,
+static const ADCConversionGroup adcgrpcfg1 = {
+ FALSE,
ADC_GRP1_NUM_CHANNELS,
- adccallback,
+ NULL,
adcerrorcallback,
- 0,
- ADC_CR2_TSVREFE,
- 0,
- 0,
+ 0, 0, /* CR1, CR2 */
+ ADC_SMPR1_SMP_AN10(ADC_SAMPLE_1P5),
+ 0, /* SMPR2 */
ADC_SQR1_NUM_CH(ADC_GRP1_NUM_CHANNELS),
+ 0, /* SQR2 */
+ ADC_SQR3_SQ1_N(ADC_CHANNEL_IN10)
+};
+
+/*
+ * ADC conversion group.
+ * Mode: Continuous, 16 samples of 8 channels, SW triggered.
+ * Channels: IN10, IN11, IN10, IN11, IN10, IN11, Sensor, VRef.
+ */
+static const ADCConversionGroup adcgrpcfg2 = {
+ TRUE,
+ ADC_GRP2_NUM_CHANNELS,
+ adccallback,
+ adcerrorcallback,
+ 0, ADC_CR2_TSVREFE, /* CR1, CR2 */
+ ADC_SMPR1_SMP_AN10(ADC_SAMPLE_41P5) |
+ ADC_SMPR1_SMP_SENSOR(ADC_SAMPLE_239P5) |
+ ADC_SMPR1_SMP_VREF(ADC_SAMPLE_239P5),
+ 0, /* SMPR2 */
+ ADC_SQR1_NUM_CH(ADC_GRP2_NUM_CHANNELS),
ADC_SQR2_SQ8_N(ADC_CHANNEL_SENSOR) | ADC_SQR2_SQ7_N(ADC_CHANNEL_VREFINT),
ADC_SQR3_SQ6_N(ADC_CHANNEL_IN11) | ADC_SQR3_SQ5_N(ADC_CHANNEL_IN10) |
ADC_SQR3_SQ4_N(ADC_CHANNEL_IN11) | ADC_SQR3_SQ3_N(ADC_CHANNEL_IN10) |
@@ -112,10 +135,20 @@ int main(void) { chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
/*
- * Starts an ADC continuous conversion.
+ * Activates the ADC1 driver and the thermal sensor.
*/
adcStart(&ADCD1, NULL);
- adcStartConversion(&ADCD1, &adcgrpcfg, samples, ADC_GRP1_BUF_DEPTH);
+
+ /*
+ * Linear conversion.
+ */
+ adcConvert(&ADCD1, &adcgrpcfg1, samples1, ADC_GRP1_BUF_DEPTH);
+ chThdSleepMilliseconds(1000);
+
+ /*
+ * Starts an ADC continuous conversion.
+ */
+ adcStartConversion(&ADCD1, &adcgrpcfg2, samples2, ADC_GRP2_BUF_DEPTH);
/*
* Normal main() thread activity, in this demo it does nothing.
|