From 16f10822864c01278a4f8d450136f8d88f29f87e Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sat, 15 Jun 2013 16:38:10 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5856
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 testhal/LPC122x/PWM/main.c | 96 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 testhal/LPC122x/PWM/main.c

(limited to 'testhal/LPC122x/PWM/main.c')

diff --git a/testhal/LPC122x/PWM/main.c b/testhal/LPC122x/PWM/main.c
new file mode 100644
index 000000000..eb8abb951
--- /dev/null
+++ b/testhal/LPC122x/PWM/main.c
@@ -0,0 +1,96 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+    LPC122x PWM driver - Copyright (C) 2013 Marcin Jokel
+
+    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"
+
+static void pwm2pcb(PWMDriver *pwmp) {
+
+  (void)pwmp;
+  palSetPad(GPIO1, GPIO1_LED2);
+}
+
+static void pwm2c0cb(PWMDriver *pwmp) {
+
+  (void)pwmp;
+  palClearPad(GPIO1, GPIO1_LED2);
+}
+
+static PWMConfig pwmcfg = {
+  10000,                                    /* 100kHz PWM clock frequency.   */
+  1000,                                     /* PWM 10 Hz    */
+  pwm2pcb,
+  {
+   {PWM_OUTPUT_ACTIVE_LOW, pwm2c0cb},
+   {PWM_OUTPUT_ACTIVE_LOW, NULL}
+  }
+};
+
+/*
+ * 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 PWM driver 2.
+   */
+  pwmStart(&PWMD2, &pwmcfg);
+  chThdSleepMilliseconds(2000);
+
+  /*
+   * Starts the PWM channel 1 using 75% duty cycle.
+   */
+  pwmEnableChannel(&PWMD2, 0, 250);
+  chThdSleepMilliseconds(5000);
+
+  /*
+   * Changes the PWM channel 1 to 50% duty cycle.
+   */
+  pwmEnableChannel(&PWMD2, 0, 500);
+  chThdSleepMilliseconds(5000);
+
+  /*
+   * Changes the PWM channel 0 to 75% duty cycle.
+   */
+  pwmEnableChannel(&PWMD2, 0, 250);
+  chThdSleepMilliseconds(5000);
+
+  /*
+   * Changes PWM period to half second the duty cycle becomes 50%
+   * implicitly.
+   */
+  pwmChangePeriod(&PWMD2, 500);
+  chThdSleepMilliseconds(5000);
+
+  /*
+   * Normal main() thread activity, in this demo it does nothing.
+   */
+  while (TRUE) {
+    chThdSleepMilliseconds(500);
+  }
+  return 0;
+}
-- 
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