From 052c4ea7abf98d7bd57b66f43ed230eafa22173c Mon Sep 17 00:00:00 2001
From: tfateba <tfateba@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Mon, 19 Feb 2018 20:50:11 +0000
Subject: AVR: Add testhal watchdog demo code.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11514 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 testhal/AVR/XMEGA/WDT/main.c | 77 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 testhal/AVR/XMEGA/WDT/main.c

(limited to 'testhal/AVR/XMEGA/WDT/main.c')

diff --git a/testhal/AVR/XMEGA/WDT/main.c b/testhal/AVR/XMEGA/WDT/main.c
new file mode 100644
index 000000000..462fa58ab
--- /dev/null
+++ b/testhal/AVR/XMEGA/WDT/main.c
@@ -0,0 +1,77 @@
+/*
+    ChibiOS - Copyright (C) 2016..2018 Theodore Ateba
+
+    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"
+#include "chprintf.h"
+
+BaseSequentialStream *chp = (BaseSequentialStream *) &SD1;
+
+/*
+ * Watchdog dealine set to one second.
+ */
+static const WDGConfig wdgcfg = {
+  false,              /* WDT use period mode, set true for window mode. */
+  WDT_PER_1KCLK_gc,   /* Normal timeout period of 1 second.             */
+  WDT_WPER_1KCLK_gc   /* Closed timeout period of 1 second.             */
+};
+
+/*
+ * 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();
+
+  /*
+   * Configure TX (PINC3) and RX (PIN2) for the USART1.
+   */
+  palSetPadMode(IOPORT3, PIN3, PAL_MODE_OUTPUT_PUSHPULL);
+  palSetPadMode(IOPORT3, PIN2, PAL_MODE_INPUT_PULLUP);
+
+  /*
+   * Start the Serial driver 1.
+   */
+  sdStart(&SD1, NULL);
+
+  /*
+   * Starting the watchdog driver.
+   */
+  wdgStart(&WDTD1, &wdgcfg);
+
+  chprintf(chp, "Watchdog driver test program.\r\n");
+
+  /*
+   * Normal main() thread activity, it resets the watchdog.
+   */
+  while (TRUE) {
+    chprintf(chp, "Watchdog reset by software.\r\n");
+    wdgReset(&WDTD1); // TODO: Rebuild whit this line commented.
+                      // It will shows you if the board is rebooted
+                      // by the watchdog.
+    palTogglePad(IOPORT5, PORTE_LED);
+    chThdSleepMilliseconds(500); // Use for example 2 second of delay to see if the watchdog reset the board every second.
+  }
+  return 0;
+}
-- 
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