From eefaedd59cccaeddcde8f54f89c98a26cc570e82 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Wed, 7 May 2014 10:44:43 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@6920
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 testhal/STM32/STM32F4xx/GPT/main.c | 98 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 testhal/STM32/STM32F4xx/GPT/main.c

(limited to 'testhal/STM32/STM32F4xx/GPT/main.c')

diff --git a/testhal/STM32/STM32F4xx/GPT/main.c b/testhal/STM32/STM32F4xx/GPT/main.c
new file mode 100644
index 000000000..88fb58e7d
--- /dev/null
+++ b/testhal/STM32/STM32F4xx/GPT/main.c
@@ -0,0 +1,98 @@
+/*
+    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 gpt4cb(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 gpt4cfg = {
+  10000,    /* 10kHz timer clock.*/
+  gpt4cb,   /* Timer callback.*/
+  0,
+  0
+};
+
+/*
+ * GPT3 configuration.
+ */
+static const GPTConfig gpt3cfg = {
+  10000,    /* 10kHz timer clock.*/
+  gpt3cb,   /* Timer callback.*/
+  0,
+  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(&GPTD4, &gpt4cfg);
+  gptPolledDelay(&GPTD4, 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(&GPTD4, 5000);
+    chThdSleepMilliseconds(5000);
+    gptStopTimer(&GPTD4);
+    palClearPad(GPIOD, GPIOD_LED4);
+    gptStartContinuous(&GPTD4, 2500);
+    chThdSleepMilliseconds(5000);
+    gptStopTimer(&GPTD4);
+  }
+}
-- 
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