--- /dev/null
+
+// Copyright (c) 2015, Tobias Mueller tm(at)tm3d.de
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the
+// distribution.
+// * All advertising materials mentioning features or use of this
+// software must display the following acknowledgement: This product
+// includes software developed by tm3d.de and its contributors.
+// * Neither the name of tm3d.de nor the names of its contributors may
+// be used to endorse or promote products derived from this software
+// without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#define F_CPU 8000000UL
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+#include <avr/wdt.h>
+#include <avr/sleep.h>
+#include <avr/pgmspace.h>
+#include "../common/I2C/USI_TWI_Master.h"
+#include "../common/I2C/BMP280.h"
+
+
+extern void OWINIT();
+
+
+
+
+uint8_t owid[8]={0x28, 0xA2, 0xD9, 0x84, 0x00, 0x16, 0x77, 0x6B};/**/
+uint8_t config_info[16]={0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x10,0x11,0x12,0x13,0x14,0x15,0x16};
+
+#if (owid>128)
+#error "Variable not correct"
+#endif
+
+extern uint8_t mode;
+extern uint8_t gcontrol;
+extern uint8_t reset_indicator;
+extern uint8_t alarmflag;
+
+
+
+
+typedef union {
+ volatile uint8_t bytes[8];
+ struct {
+ uint16_t temp; //0
+ uint8_t TH; //2
+ uint8_t TL; //3
+ uint8_t config; //4
+ uint8_t rrFF; //5
+ uint8_t rr00; //6
+ uint8_t rr10; //7
+ };
+} pack_t;
+volatile pack_t pack;
+
+
+
+
+
+
+
+
+int main(void){
+ PRR|=(1<<PRADC); // adc for save Power
+ pack.temp=0x0550;
+ pack.config=0x7F;
+ pack.TH=75;
+ pack.TL=70;
+ pack.rrFF=0xFF;
+ pack.rr00=0;
+ pack.rr10=0x10;
+ PORTA=0xFF;
+ PORTB=0xFF;
+ OWINIT();
+
+ MCUCR &=~(1<<PUD); //All Pins Pullup...
+ MCUCR |=(1<<BODS);
+
+ MCUSR=0;
+ USI_TWI_Master_Initialise();
+ bmp280Init();
+
+ gcontrol=1;
+ sei();
+ while(1) {
+
+ if (gcontrol) {
+ uint32_t P;
+ int32_t t;
+ bmp280ConvertInt(&t,&P,1);
+ P=P*16;
+ P=P/1000;
+ uint16_t w=P;
+ uint8_t t8=w>>4;
+ uint8_t af=0;
+ if (t8>pack.TH) af=1;
+ if (t8<=pack.TL) af=1;
+ cli();
+ pack.temp=w;
+ //pack.temp++;
+ alarmflag=af;
+ sei();
+ gcontrol=0;
+ }
+
+
+#if defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
+ if (((TIMSK & (1<<TOIE0))==0)&& (mode==0))
+#endif
+#if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) ||defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
+ if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))
+#endif
+ {
+
+ MCUCR|=(1<<SE)|(1<<SM1);
+ MCUCR&=~(1<<ISC01);
+ } else {
+ MCUCR|=(1<<SE);
+ MCUCR&=~(1<<SM1);
+ }
+ //MCUCR&=~(1<<ISC01);
+ asm("SLEEP");
+ }
+
+
+}
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