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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2013-08-23 08:11:27 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2013-08-23 08:11:27 +0000
commitb5dfe4685f0ac1c31e9dcb2cbcae9f70bc5daa4d (patch)
treefef7c9c6d160d318ff7d9aa37ebea4b21242018a /testhal/STM32F4xx/GPT/main.c
parent960847273c5015002fff1bb7c483556140746de2 (diff)
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6206 35acf78f-673a-0410-8e92-d51de3d6d3f4
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diff --git a/testhal/STM32F4xx/GPT/main.c b/testhal/STM32F4xx/GPT/main.c
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+++ b/testhal/STM32F4xx/GPT/main.c
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+/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+#include "ch.h"
+#include "hal.h"
+
+/*
+ * GPT2 callback.
+ */
+static void gpt2cb(GPTDriver *gptp) {
+
+ (void)gptp;
+ palSetPad(GPIOD, GPIOD_LED5);
+ chSysLockFromIsr();
+ gptStartOneShotI(&GPTD3, 1000); /* 0.1 second pulse.*/
+ chSysUnlockFromIsr();
+}
+
+/*
+ * GPT3 callback.
+ */
+static void gpt3cb(GPTDriver *gptp) {
+
+ (void)gptp;
+ palClearPad(GPIOD, GPIOD_LED5);
+}
+
+/*
+ * GPT2 configuration.
+ */
+static const GPTConfig gpt2cfg = {
+ 10000, /* 10kHz timer clock.*/
+ gpt2cb, /* Timer callback.*/
+ 0
+};
+
+/*
+ * GPT3 configuration.
+ */
+static const GPTConfig gpt3cfg = {
+ 10000, /* 10kHz timer clock.*/
+ gpt3cb, /* Timer callback.*/
+ 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();
+
+ /*
+ * Initializes the GPT drivers 2 and 3.
+ */
+ gptStart(&GPTD2, &gpt2cfg);
+ gptPolledDelay(&GPTD2, 10); /* Small delay.*/
+ gptStart(&GPTD3, &gpt3cfg);
+ gptPolledDelay(&GPTD3, 10); /* Small delay.*/
+
+ /*
+ * Normal main() thread activity, it changes the GPT1 period every
+ * five seconds.
+ */
+ while (TRUE) {
+ palSetPad(GPIOD, GPIOD_LED4);
+ gptStartContinuous(&GPTD2, 5000);
+ chThdSleepMilliseconds(5000);
+ gptStopTimer(&GPTD2);
+ palClearPad(GPIOD, GPIOD_LED4);
+ gptStartContinuous(&GPTD2, 2500);
+ chThdSleepMilliseconds(5000);
+ gptStopTimer(&GPTD2);
+ }
+}