From 7772ea4579a45bcf63ebd5e68be66ba1a9c72dfa Mon Sep 17 00:00:00 2001
From: Clyne Sullivan <tullivan99@gmail.com>
Date: Fri, 11 Nov 2016 15:02:17 -0500
Subject: chibios!

---
 .../community/testhal/NRF51/NRF51822/PWM/main.c    | 76 ++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 ChibiOS_16.1.5/community/testhal/NRF51/NRF51822/PWM/main.c

(limited to 'ChibiOS_16.1.5/community/testhal/NRF51/NRF51822/PWM/main.c')

diff --git a/ChibiOS_16.1.5/community/testhal/NRF51/NRF51822/PWM/main.c b/ChibiOS_16.1.5/community/testhal/NRF51/NRF51822/PWM/main.c
new file mode 100644
index 0000000..51179d8
--- /dev/null
+++ b/ChibiOS_16.1.5/community/testhal/NRF51/NRF51822/PWM/main.c
@@ -0,0 +1,76 @@
+/*
+    Copyright (C) 2016 Stéphane D'Alu
+
+    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 pwm_cb_period(PWMDriver *pwmp) {
+  (void)pwmp;
+
+  palTogglePad(IOPORT1, LED0);
+  palClearPad(IOPORT1, LED1);
+
+}
+
+static void pwm_cb_channel0(PWMDriver *pwmp) {
+  (void)pwmp;
+  palSetPad(IOPORT1, LED1);
+}
+
+
+/*
+ * Application entry point.
+ */
+int main(void) {
+  PWMConfig pwmcfg = {
+    .frequency = PWM_FREQUENCY_31250HZ, 
+    .period = 31250,                 
+    .callback = pwm_cb_period,
+    { { .mode           = PWM_OUTPUT_DISABLED,
+	.callback       = pwm_cb_channel0, },
+      { .mode           = PWM_OUTPUT_ACTIVE_HIGH,
+	.callback       = NULL,
+	.ioline         = LINE_LED2,
+	.gpiote_channel = 0,
+	.ppi_channel    = { 0, 1 } },
+      { .mode           = PWM_OUTPUT_DISABLED,
+	.callback       = NULL, },
+    },
+  };
+
+  /*
+   * 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();
+
+  /*
+   *
+   */
+  pwmStart(&PWMD1, &pwmcfg);
+  pwmEnablePeriodicNotification(&PWMD1);
+  pwmEnableChannel(&PWMD1, 0, PWM_FRACTION_TO_WIDTH(&PWMD1, 2, 1));
+  pwmEnableChannelNotification(&PWMD1, 0);
+  pwmEnableChannel(&PWMD1, 1, PWM_FRACTION_TO_WIDTH(&PWMD1, 4, 3));
+
+  while (1) {
+    chThdSleepMilliseconds(500);
+  }
+}
-- 
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