From 9cf4f9dfc7f6bcd1c46c96d9e388bf677e7148f1 Mon Sep 17 00:00:00 2001
From: Stephane D'Alu <sdalu@sdalu.com>
Date: Sun, 10 Jul 2016 13:35:31 +0200
Subject: moved wdg to LLD

---
 demos/NRF52/Classic/halconf.h |  7 ++++++
 demos/NRF52/Classic/main.c    | 52 ++++++++++++++++++++++++++++++++++++++-----
 demos/NRF52/Classic/mcuconf.h |  3 +++
 3 files changed, 57 insertions(+), 5 deletions(-)

(limited to 'demos/NRF52')

diff --git a/demos/NRF52/Classic/halconf.h b/demos/NRF52/Classic/halconf.h
index 976c634..e218263 100644
--- a/demos/NRF52/Classic/halconf.h
+++ b/demos/NRF52/Classic/halconf.h
@@ -156,6 +156,13 @@
 #define HAL_USE_USB                 FALSE
 #endif
 
+/**
+ * @brief   Enables the WDG subsystem.
+ */
+#if !defined(HAL_USE_WDG) || defined(__DOXYGEN__)
+#define HAL_USE_WDG                 TRUE
+#endif
+
 /*===========================================================================*/
 /* ADC driver related settings.                                              */
 /*===========================================================================*/
diff --git a/demos/NRF52/Classic/main.c b/demos/NRF52/Classic/main.c
index efa6591..fde485a 100644
--- a/demos/NRF52/Classic/main.c
+++ b/demos/NRF52/Classic/main.c
@@ -10,6 +10,21 @@
 #define LED_EXT 14
 
 
+bool watchdog_started = false;
+
+void watchdog_callback(void) {
+  palTogglePad(IOPORT1, LED2);
+  palTogglePad(IOPORT1, LED3);
+  palTogglePad(IOPORT1, LED4);
+}
+
+WDGConfig WDG_config = {
+    .pause_on_sleep = 0,
+    .pause_on_halt  = 0,
+    .timeout_ms     = 5000,
+    .callback       = watchdog_callback,
+};
+
 
 /*
  * Command Random
@@ -49,10 +64,31 @@ static void cmd_random(BaseSequentialStream *chp, int argc, char *argv[]) {
 
 
 
+
+static void cmd_watchdog(BaseSequentialStream *chp, int argc, char *argv[]) {
+    if ((argc == 0) || (strcmp(argv[0], "start"))) {
+	chprintf(chp, "Usage: watchdog start\r\n");
+	return;
+    }
+    chprintf(chp,
+	     "Watchdog started\r\n"
+	     "You need to push BTN1 every 5 seconds\r\n");
+
+    watchdog_started = true;
+    wdgStart(&WDGD1, &WDG_config);
+}
+
+
+
+
+
+
+
 static THD_WORKING_AREA(shell_wa, 1024);
 
 static const ShellCommand commands[] = {
-  {"random", cmd_random}, 
+  {"random",   cmd_random   },
+  {"watchdog", cmd_watchdog },
   {NULL, NULL}
 };
 
@@ -73,6 +109,10 @@ static SerialConfig serial_config = {
 
 
 
+
+
+
+
 static THD_WORKING_AREA(waThread1, 64);
 static THD_FUNCTION(Thread1, arg) {
 
@@ -135,11 +175,13 @@ int main(void)
     test_execute((BaseSequentialStream *)&SD1);
     
     while (true) {
-	chThdSleepMilliseconds(100);
-
+	if (watchdog_started &&
+	    (palReadPad(IOPORT1, BTN1) == 0)) {
+	    palTogglePad(IOPORT1, LED1);
+	    wdgReset(&WDGD1);
+	}
+	chThdSleepMilliseconds(250);
     }
 
-
-
 }
 
diff --git a/demos/NRF52/Classic/mcuconf.h b/demos/NRF52/Classic/mcuconf.h
index 9961da0..c73c34e 100644
--- a/demos/NRF52/Classic/mcuconf.h
+++ b/demos/NRF52/Classic/mcuconf.h
@@ -46,4 +46,7 @@
 #define NRF5_RNG_USE_RNG0 		   TRUE
 
 
+#define WDG_USE_TIMEOUT_CALLBACK    TRUE
+
+
 #endif /* _MCUCONF_H_ */
-- 
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