2 // Copyright (c) 2015, Tobias Mueller tm(at)tm3d.de
3 // All rights reserved.
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are
9 // * Redistributions of source code must retain the above copyright
10 // notice, this list of conditions and the following disclaimer.
11 // * Redistributions in binary form must reproduce the above copyright
12 // notice, this list of conditions and the following disclaimer in the
13 // documentation and/or other materials provided with the
15 // * All advertising materials mentioning features or use of this
16 // software must display the following acknowledgement: This product
17 // includes software developed by tm3d.de and its contributors.
18 // * Neither the name of tm3d.de nor the names of its contributors may
19 // be used to endorse or promote products derived from this software
20 // without specific prior written permission.
22 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 #define F_CPU 8000000UL
40 #include <avr/interrupt.h>
41 #include <util/delay.h>
43 #include <avr/sleep.h>
44 #include "../common/I2C/USI_TWI_Master.h"
45 #include "../common/I2C/BMP280.h"
50 extern void EXTERN_SLEEP();
52 uint8_t owid[8]={0x1D, 0xA2, 0xD9, 0x84, 0x00, 0x26, 0x02, 0x5C};/**/
53 uint8_t config_info[16]={0x09,0x0D,0x09,0x0D,0x01,0x08,0x02,0x08,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
57 extern volatile uint8_t mode;
58 extern uint8_t gcontrol;
59 extern uint8_t reset_indicator;
62 volatile uint8_t wdcounter;
64 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
70 //if (reset_indicator==1) reset_indicator++;
71 //else if (reset_indicator==2) mode=0;
76 volatile uint8_t bytes[45];
80 uint8_t scratch[32];//3
81 uint32_t counter; //35
88 volatile uint8_t lastcps;
94 volatile counters_t counters;
96 volatile uint8_t istat;
99 volatile uint8_t wdcounter;
102 PRR|=(1<<PRADC); // adc for save Power
104 PORTB=0xFF-(1<<PORTB0); //Schalter kann gegen Masse sein und zieht dann immer Strom
105 DDRB|=(1<<PORTB0); //Als Ausgang und 0
110 ACSR|=(1<<ACD); //Disable Comparator
111 ADCSRB|=(1<<ACME); //Disable Analog multiplexer
112 MCUCR &=~(1<<PUD); //All Pins Pullup...
116 WDTCSR |= ((1<<WDCE) ); // Enable the WD Change Bit//| (1<<WDE)
117 WDTCSR |= (1<<WDIE) | // Enable WDT Interrupt
118 (1<<WDP3) | (1<<WDP0); // Set Timeout to ~8 seconds
126 ACSR|=(1<<ACD); //Disable Comparator
127 ADCSRB|=(1<<ACME); //Disable Analog multiplexer
128 MCUCR &=~(1<<PUD); //All Pins Pullup...
130 USI_TWI_Master_Initialise();
135 bmp280ConvertInt(&t,&P,1);
137 bmp280ConvertInt(&t,&P,1);
145 bmp280ConvertInt(&t,&P,1);
155 if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0)) {
156 MCUCR|=(1<<SE)|(1<<SM1);