diff options
Diffstat (limited to 'testhal/STM32F1xx/ADC/main.c')
| -rw-r--r-- | testhal/STM32F1xx/ADC/main.c | 67 |
1 files changed, 53 insertions, 14 deletions
diff --git a/testhal/STM32F1xx/ADC/main.c b/testhal/STM32F1xx/ADC/main.c index 214f28b5f..bfe8997f9 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 {
@@ -41,20 +45,45 @@ static void adccallback(ADCDriver *adcp, adcsample_t *buffer, size_t n) { }
}
+static void adcerrorcallback(ADCDriver *adcp, adcerror_t err) {
+
+ (void)adcp;
+ (void)err;
+}
+
+/*
+ * ADC conversion group.
+ * Mode: Linear buffer, 8 samples of 1 channel, SW triggered.
+ * Channels: IN10.
+ */
+static const ADCConversionGroup adcgrpcfg1 = {
+ FALSE,
+ ADC_GRP1_NUM_CHANNELS,
+ NULL,
+ adcerrorcallback,
+ 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: Streaming, continuous, 16 samples of 8 channels, SW triggered.
+ * Mode: Continuous, 16 samples of 8 channels, SW triggered.
* Channels: IN10, IN11, IN10, IN11, IN10, IN11, Sensor, VRef.
*/
-static const ADCConversionGroup adcgrpcfg = {
+static const ADCConversionGroup adcgrpcfg2 = {
TRUE,
- ADC_GRP1_NUM_CHANNELS,
+ ADC_GRP2_NUM_CHANNELS,
adccallback,
- 0,
- ADC_CR2_TSVREFE,
- 0,
- 0,
- ADC_SQR1_NUM_CH(ADC_GRP1_NUM_CHANNELS),
+ adcerrorcallback,
+ 0, ADC_CR2_TSVREFE, /* CR1, CR2 */
+ ADC_SMPR1_SMP_AN11(ADC_SAMPLE_41P5) | 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) |
@@ -105,10 +134,20 @@ 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.
|