From c53c5b7e022f73056dc3d7c6284f6988c4f83d5d Mon Sep 17 00:00:00 2001
From: edolomb <edolomb@110e8d01-0319-4d1e-a829-52ad28d1bb01>
Date: Wed, 11 Apr 2018 16:50:54 +0000
Subject: Updated demo and chconf.h

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11899 110e8d01-0319-4d1e-a829-52ad28d1bb01
---
 testhal/ATSAMA5D2/RTC/chconf.h |  9 +++++----
 testhal/ATSAMA5D2/RTC/main.c   | 40 +++++++++++++++++++++++++++++++++++++---
 2 files changed, 42 insertions(+), 7 deletions(-)

diff --git a/testhal/ATSAMA5D2/RTC/chconf.h b/testhal/ATSAMA5D2/RTC/chconf.h
index b1e3841a8..4dbf9c6d8 100644
--- a/testhal/ATSAMA5D2/RTC/chconf.h
+++ b/testhal/ATSAMA5D2/RTC/chconf.h
@@ -49,7 +49,8 @@
  * @details Frequency of the system timer that drives the system ticks. This
  *          setting also defines the system tick time unit.
  */
-#define CH_CFG_ST_FREQUENCY                 1000
+#define CH_CFG_ST_FREQUENCY                 1000              /* periodic tick. */
+//#define CH_CFG_ST_FREQUENCY                 (83000000 / 32) /* tick-less. */
 
 /**
  * @brief   Time intervals data size.
@@ -400,7 +401,7 @@
  *
  * @note    The default is @p FALSE.
  */
-#define CH_DBG_SYSTEM_STATE_CHECK           FALSE
+#define CH_DBG_SYSTEM_STATE_CHECK           TRUE
 
 /**
  * @brief   Debug option, parameters checks.
@@ -409,7 +410,7 @@
  *
  * @note    The default is @p FALSE.
  */
-#define CH_DBG_ENABLE_CHECKS                FALSE
+#define CH_DBG_ENABLE_CHECKS                TRUE
 
 /**
  * @brief   Debug option, consistency checks.
@@ -419,7 +420,7 @@
  *
  * @note    The default is @p FALSE.
  */
-#define CH_DBG_ENABLE_ASSERTS               FALSE
+#define CH_DBG_ENABLE_ASSERTS               TRUE
 
 /**
  * @brief   Debug option, trace buffer.
diff --git a/testhal/ATSAMA5D2/RTC/main.c b/testhal/ATSAMA5D2/RTC/main.c
index 49865e6d3..d75ed1caa 100644
--- a/testhal/ATSAMA5D2/RTC/main.c
+++ b/testhal/ATSAMA5D2/RTC/main.c
@@ -20,15 +20,18 @@
 #include "string.h"
 #include <time.h>
 
+/* This macro converts from decimal to BCD */
+#define decimal2BCD(nt, nu)          ((nt << 4) | (nu))
+
 #define SIZE 30
 
 RTCDateTime cfg_time = {
   38,
-  2,
+  4,
   0,
   1,
-  26,
-  46824000
+  9,
+  66840000
 };
 
 RTCDateTime now_DateTime;
@@ -36,6 +39,35 @@ struct tm now_tm;
 
 char buffer[SIZE];
 
+/*
+ * Alarm configuration.
+ * Fields are in BCD format
+ */
+RTCAlarm alarmspec = {
+  RTC_TIMALR_HOUREN | RTC_TIMALR_HOUR(decimal2BCD(1,8)) |
+  RTC_TIMALR_MINEN | RTC_TIMALR_MIN(decimal2BCD(3,5)) ,   /* timalarm */
+  0                                                       /* calalarm */
+};
+
+/*
+ * Alarm callback.
+ */
+static void alarm_cb(RTCDriver *rtcp, rtcevent_t event) {
+
+  (void)rtcp;
+
+  switch (event) {
+  case RTC_EVENT_SECOND:
+    /* Toggle Led green very second */
+    palToggleLine(LINE_LED_GREEN);
+    break;
+  case RTC_EVENT_ALARM:
+    /* Led red on alarm */
+    palClearLine(LINE_LED_RED);
+    break;
+  }
+}
+
 static const SerialConfig sdcfg = {
   115200,
   0,
@@ -83,6 +115,8 @@ int main(void) {
    * Configures date
    */
   rtcSetTime(&RTCD0, &cfg_time);
+  rtcSetAlarm(&RTCD0, 0, &alarmspec);
+  rtcSetCallback(&RTCD0, alarm_cb);
 
   while (true) {
     if(!palReadPad(PIOB, PIOB_USER_PB)) {
-- 
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