From d2fdbf06caa21ec4f0c95e270408cdf83ea6e9da Mon Sep 17 00:00:00 2001
From: Max Christian Pohle
Date: Sun, 18 Jun 2017 03:03:48 +0200
Subject: Added seconds with 1 bit missing

---
 software/main.c | 38 +++++++++++++++++++++++++++++++++++---
 1 file changed, 35 insertions(+), 3 deletions(-)

diff --git a/software/main.c b/software/main.c
index 9e2cb5d..b791647 100644
--- a/software/main.c
+++ b/software/main.c
@@ -3,6 +3,7 @@
 #include <avr/io.h>
 #include <avr/interrupt.h>
 #include <util/delay.h>
+#include <avr/sleep.h>
 
 #include "inc/int/dcf77.h"
 
@@ -75,7 +76,14 @@ int main(void)
 
   // MCU Control Register (controls CPU-behaviours like interrupts & sleepmode)
   // MCUCR |= ~(1<<ISC01) | (1<<ISC00); // any logical change generates interrupt
+
+  // set sleep mode to power-down...
+  // MCUCR &= ~(1<<SM0);
+  // MCUCR |= (1<<SM1);
+  set_sleep_mode(SLEEP_MODE_PWR_DOWN);
+
   PCMSK |= (1<<PCINT0);
+
   // INT0_CONTROL = INT0_RISING_EDGE; // going to toggle int0-behaviour
 
   TCCR0A |= (1 << WGM01);              // CTC mode
@@ -89,6 +97,8 @@ int main(void)
   // OCR0A   = CTC_MATCH_OVERFLOW;
   TIMSK  |= (1 << OCIE0A);             // if you want interrupt
 
+  sleep_enable();
+  sleep_bod_disable();
   sei();
 
   for(uint8_t i=0; i<16; i++)
@@ -97,16 +107,38 @@ int main(void)
     _delay_ms(5);
   }
 
+
+  char lastsec = 0;
   while (1)
   {
     //print_data(lastinterval<<1 | (PINB & PB0));
+    if(lastsec != t_current.s)
+    {
+      //for (uint8_t i = 16; i > 0; i--)
+      // {
+        print_data(
+            ~(
+              (uint16_t) 0
+              // | ((uint16_t) (PINB & 0x0001))<<15
+              | t_current.h<<10
+              | t_current.m<<5
+              | t_current.s>>1)
+            );
+        _delay_us(50);
+      // }
+      lastsec = t_current.s;
+    }
 
     print_data(
         (uint16_t) 0
-        | ((uint16_t) (PINB & 0x0001))<<15
-        | t_current.h<<8
-        | t_current.m
+        // | ((uint16_t) (PINB & 0x0001))<<15
+        | t_current.h<<10
+        | t_current.m<<5
+        | t_current.s>>1
         );
+    sleep_cpu();
+
+
     // print_data(interval | ((PINB & PB0) == 1 ? 2 : 0));
     //print_data(PINB);
   }
-- 
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