From 02f25d07834ae1ff95e3d625bef0791efc6ca0b8 Mon Sep 17 00:00:00 2001
From: wolfgang <wolfgang@hottgenroth.net>
Date: Tue, 22 Jan 2013 07:58:08 +0100
Subject: [PATCH] led

---
 src/main.c | 69 +++++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 55 insertions(+), 14 deletions(-)

diff --git a/src/main.c b/src/main.c
index 54a7c9a..f6fb360 100644
--- a/src/main.c
+++ b/src/main.c
@@ -12,6 +12,8 @@
 #define ZERO_WIDTH_MIN 70
 #define ZERO_WIDTH_MAX 150
 
+#define SUB_DIV_VAL 30
+
 
 typedef struct receivedData_s {
   uint8_t minuteDigit0;
@@ -55,7 +57,7 @@ volatile uint8_t tick;
 volatile uint16_t captValue = 0;
 volatile uint16_t gapValue = 0;
 volatile uint8_t valid = 0;
-
+volatile uint8_t tack = 0;
 
 ISR(TIMER2_OVF_vect) {
   clock.second++;
@@ -77,17 +79,17 @@ ISR(TIMER2_OVF_vect) {
 
   opTime.second++;
 
-    if (opTime.second >= 60) {
-      opTime.second = 0;
-      opTime.minute++;
-    }
-    if (opTime.minute >= 60) {
-      opTime.minute = 0;
-      opTime.hour++;
-    }
-    if (opTime.hour >= 24) {
-      opTime.hour = 0;
-    }
+  if (opTime.second >= 60) {
+    opTime.second = 0;
+    opTime.minute++;
+  }
+  if (opTime.minute >= 60) {
+    opTime.minute = 0;
+    opTime.hour++;
+  }
+  if (opTime.hour >= 24) {
+    opTime.hour = 0;
+  }
 }
 
 ISR(INT0_vect) {
@@ -101,6 +103,14 @@ ISR(INT1_vect) {
   tick = 1;
 }
 
+ISR(TIMER0_OVF_vect) {
+  static uint16_t subDiv = 0;
+  subDiv++;
+  if (subDiv >= SUB_DIV_VAL) {
+    subDiv = 0;
+    tack = 1;
+  }
+}
 
 int main() {
   uartdrvInit();
@@ -123,10 +133,16 @@ int main() {
   TCCR1A = 0;
   TCCR1B = (1 << CS12) | (1 << CS10);
 
-  PIND &= ~(1 << PD2);
-  PIND &= ~(1 << PD3);
+  DDRD &= ~(1 << PD2);
+  DDRD &= ~(1 << PD3);
   PORTD |= (1 << PD2) | (1 << PD3);
 
+  DDRD |= (1 << PD5) | (1 << PD6);
+
+  DDRB |= (1 << PB0);
+  TCCR0 = (1 << CS02) | (1 << CS00);
+  TIMSK |= (1 << TOIE0);
+
   MCUCR |= (1 << ISC11) | (1 << ISC10) | (1 << ISC01);
   GICR |= (1 << INT0) | (1 << INT1);
 
@@ -139,6 +155,7 @@ int main() {
   uint8_t bit = 0;
   uint8_t state = 0;
   uint16_t validCnt = 0;
+  uint8_t ledToggle = 0;
 
 
   while (1) {
@@ -466,6 +483,30 @@ int main() {
             valid, state, bit, pulse, gap, validCnt);
       }
     }
+
+
+    if (tack != 0) {
+      tack = 0;
+      switch (valid) {
+      case 0:
+        PORTB &= ~(1 << PB0);
+        break;
+      case 1:
+        if (ledToggle != 0) {
+          ledToggle = 0;
+          PORTB &= ~(1 << PB0);
+        } else {
+          ledToggle = 1;
+          PORTB |= (1 << PB0);
+        }
+        break;
+      case 2:
+        PORTB |= (1 << PB0);
+        break;
+      }
+    }
+
   }
+
 }