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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-03-17 07:37:18 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-03-17 07:37:18 +0000 |
| commit | 3fc18fd71fd1d3266b4c606db52e2404b7bc9d77 (patch) | |
| tree | 557c149bea01ba712132505870eea0948150494a /testhal/STM32F37x/ADC/main.c | |
| parent | 1f6edfef775e68d713346b9a536e0df3b9e73161 (diff) | |
| download | ChibiOS-3fc18fd71fd1d3266b4c606db52e2404b7bc9d77.tar.gz ChibiOS-3fc18fd71fd1d3266b4c606db52e2404b7bc9d77.tar.bz2 ChibiOS-3fc18fd71fd1d3266b4c606db52e2404b7bc9d77.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5445 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'testhal/STM32F37x/ADC/main.c')
| -rw-r--r-- | testhal/STM32F37x/ADC/main.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/testhal/STM32F37x/ADC/main.c b/testhal/STM32F37x/ADC/main.c new file mode 100644 index 000000000..528aa8cd1 --- /dev/null +++ b/testhal/STM32F37x/ADC/main.c @@ -0,0 +1,176 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012,2013 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "ch.h"
+#include "hal.h"
+
+#define ADC_GRP1_NUM_CHANNELS 2
+#define ADC_GRP1_BUF_DEPTH 8
+
+#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.
+ */
+size_t nx = 0, ny = 0;
+static void adccallback(ADCDriver *adcp, adcsample_t *buffer, size_t n) {
+
+ (void)adcp;
+ if (samples2 == buffer) {
+ nx += n;
+ }
+ else {
+ ny += n;
+ }
+}
+
+static void adcerrorcallback(ADCDriver *adcp, adcerror_t err) {
+
+ (void)adcp;
+ (void)err;
+}
+
+/*
+ * ADC conversion group.
+ * Mode: Linear buffer, 8 samples of 2 channels, SW triggered.
+ * Channels: IN7, IN8.
+ */
+static const ADCConversionGroup adcgrpcfg1 = {
+ FALSE,
+ ADC_GRP1_NUM_CHANNELS,
+ NULL,
+ adcerrorcallback,
+ 0, /* CFGR */
+ ADC_TR(0, 4095), /* TR1 */
+ 0, /* CCR */
+ { /* SMPR[2] */
+ 0,
+ 0
+ },
+ { /* SQR[4] */
+ ADC_SQR1_SQ1_N(ADC_CHANNEL_IN7) | ADC_SQR1_SQ2_N(ADC_CHANNEL_IN8),
+ 0,
+ 0,
+ 0
+ }
+};
+
+/*
+ * ADC conversion group.
+ * Mode: Continuous, 16 samples of 8 channels, SW triggered.
+ * Channels: IN7, IN8, IN7, IN8, IN7, IN8, Sensor, VBat/2.
+ */
+static const ADCConversionGroup adcgrpcfg2 = {
+ TRUE,
+ ADC_GRP2_NUM_CHANNELS,
+ adccallback,
+ adcerrorcallback,
+ 0, /* CFGR */
+ ADC_TR(0, 4095), /* TR1 */
+ ADC_CCR_TSEN | ADC_CCR_VBATEN, /* CCR */
+ { /* SMPR[2] */
+ ADC_SMPR1_SMP_AN7(ADC_SMPR_SMP_19P5)
+ | ADC_SMPR1_SMP_AN8(ADC_SMPR_SMP_19P5),
+ ADC_SMPR2_SMP_AN16(ADC_SMPR_SMP_61P5)
+ | ADC_SMPR2_SMP_AN17(ADC_SMPR_SMP_61P5),
+ },
+ { /* SQR[4] */
+ ADC_SQR1_SQ1_N(ADC_CHANNEL_IN7) | ADC_SQR1_SQ2_N(ADC_CHANNEL_IN8) |
+ ADC_SQR1_SQ3_N(ADC_CHANNEL_IN7) | ADC_SQR1_SQ4_N(ADC_CHANNEL_IN8),
+ ADC_SQR2_SQ5_N(ADC_CHANNEL_IN7) | ADC_SQR2_SQ6_N(ADC_CHANNEL_IN8) |
+ ADC_SQR2_SQ7_N(ADC_CHANNEL_IN16) | ADC_SQR2_SQ8_N(ADC_CHANNEL_IN17),
+ 0,
+ 0
+ }
+};
+
+/*
+ * Red LEDs blinker thread, times are in milliseconds.
+ */
+static WORKING_AREA(waThread1, 128);
+static msg_t Thread1(void *arg) {
+
+ (void)arg;
+ chRegSetThreadName("blinker");
+ while (TRUE) {
+ palSetPad(GPIOE, GPIOE_LED10_RED);
+ chThdSleepMilliseconds(500);
+ palClearPad(GPIOE, GPIOE_LED10_RED);
+ chThdSleepMilliseconds(500);
+ }
+ return 0;
+}
+
+/*
+ * Application entry point.
+ */
+int main(void) {
+
+ /*
+ * System initializations.
+ * - HAL initialization, this also initializes the configured device drivers
+ * and performs the board-specific initializations.
+ * - Kernel initialization, the main() function becomes a thread and the
+ * RTOS is active.
+ */
+ halInit();
+ chSysInit();
+
+ /*
+ * Setting up analog inputs used by the demo.
+ */
+ palSetGroupMode(GPIOC, PAL_PORT_BIT(1) | PAL_PORT_BIT(2),
+ 0, PAL_MODE_INPUT_ANALOG);
+
+ /*
+ * Creates the blinker thread.
+ */
+ chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
+
+ /*
+ * Activates the ADC1 driver and the temperature sensor.
+ */
+ adcStart(&ADCD1, NULL);
+
+ /*
+ * 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.
+ */
+ while (TRUE) {
+ if (palReadPad(GPIOA, GPIOA_BUTTON)) {
+ adcStopConversion(&ADCD1);
+ }
+ chThdSleepMilliseconds(500);
+ }
+}
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