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.
34 #define F_CPU 8000000UL
36 #include <avr/interrupt.h>
37 #include <util/delay.h>
39 #include <avr/sleep.h>
40 #include <avr/pgmspace.h>
41 #include "../common/I2C/USI_TWI_Master.h"
42 #include "../common/I2C/SHT2x.h"
43 #include "../common/I2C/BMP280.h"
45 extern void EXTERN_SLEEP();
47 uint8_t owid[8]={0x20, 0xA2, 0xD9, 0x84, 0x00, 0x16, 0x02, 0x5D};/**/
48 uint8_t config_info[16]={0x01,14,0x04,0x08, 0x06,0x09, 0x02,16,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
51 #error "Variable not correct"
55 extern uint8_t gcontrol;
56 extern uint8_t reset_indicator;
57 extern uint8_t alarmflag;
58 volatile uint8_t wdcounter=10;
61 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
67 if (reset_indicator==1) reset_indicator++;
68 else if (reset_indicator==2) mode=0;
72 volatile uint8_t bytes[0x20];
112 volatile pack_t pack;
116 volatile int16_t am2302_temp;
117 volatile uint16_t am2302_hum;
120 uint8_t userRegister[1];
122 volatile double temperatureC,humidityRH;
151 PORTB=0xFF-(1<<PORTB0); //Schalter kann gegen Masse sein und zieht dann immer Strom
152 DDRB|=(1<<PORTB0); //Als Ausgang und 0
153 PORTA=0xFF; //All Pull up;
154 PRR|=(1<<PRADC); // adc for save Power
156 ACSR|=(1<<ACD); //Disable Comparator
159 MCUCR &=~(1<<PUD); //All Pins Pullup...
161 WDTCSR |= ((1<<WDCE) ); // Enable the WD Change Bit//| (1<<WDE)
162 WDTCSR |= (1<<WDIE) | // Enable WDT Interrupt
163 (1<<WDP3) | (1<<WDP0); // Set Timeout to ~8 seconds
167 USI_TWI_Master_Initialise();
170 SHT2x_ReadUserRegister(userRegister);
171 //(userRegister & ~SHT2x_RES_MASK) | SHT2x_RES_10_13BIT;
172 SHT2x_WriteUserRegister(userRegister); //write changed user reg
173 // --- measure humidity with "Hold Master Mode (HM)" ---
174 //SHT2x_MeasurePoll(HUMIDITY, &sRH);
175 // --- measure temperature with "Polling Mode" (no hold master) ---
176 //SHT2x_MeasurePoll(TEMP, &sT);
177 //-- calculate humidity and temperature --
178 //temperatureC = SHT2x_CalcTemperatureC(sT);
179 //humidityRH = SHT2x_CalcRH(sRH);
188 SHT2x_MeasurePoll(HUMIDITY, &sRH);
189 // --- measure temperature with "Polling Mode" (no hold master) ---
190 SHT2x_MeasurePoll(TEMP, &sT);
191 //-- calculate humidity and temperature --
192 temperatureC = SHT2x_CalcTemperatureC(sT);
193 humidityRH = SHT2x_CalcRH(sRH);
194 bmp280ConvertInt(&t,&P,1);
207 for(uint8_t i=0;i<4;i++){
208 if (pack.convc1&bb1) {
209 if (pack.convc2&(bb)) {pack.bytes[i*2]=0;pack.bytes[i*2+1]=0;}
211 if (pack.convc2&(bb)) {pack.bytes[i*2]=0xFF;pack.bytes[i*2+1]=0xFF;}
218 /*if (pack.CSA2&0x01) ADMUX=0; else ADMUX=0x80;
221 while ((ADCSRA&(1<<ADSC)));
222 cli();pack.A=ADC;sei();*/
223 uint16_t ct=(temperatureC*100.0)+32767;
224 cli();pack.A=ct;sei();
228 if (pack.CSA2&0x08) //AEH
229 if (pack.bytes[1]>pack.HA) {alarmflag=1;pack.CSA2|=0x20;}
230 if (pack.CSA2&0x04) //AEL
231 if (pack.bytes[1]<pack.LA) {alarmflag=1;pack.CSA2|=0x10;}
235 /*if (pack.CSB2&0x01) ADMUX=1; else ADMUX=0x81;
238 while ((ADCSRA&(1<<ADSC)));
239 cli();pack.B=ADC;sei();*/
241 cli();pack.B=humidityRH*100;sei();
242 if (pack.CSB2&0x08) //AEH
243 if (pack.bytes[1]>pack.HB) {alarmflag=1;pack.CSB2|=0x20;}
244 if (pack.CSB2&0x04) //AEL
245 if (pack.bytes[1]<pack.LB) {alarmflag=1;pack.CSB2|=0x10;}
249 /*if (pack.CSC2&0x01) ADMUX=2; else ADMUX=0x82;
252 while ((ADCSRA&(1<<ADSC)));
253 cli();pack.C=ADC;sei();*/
255 cli();pack.C=0;sei();
256 if (pack.CSC2&0x08) //AEH
257 if (pack.bytes[1]>pack.HC) {alarmflag=1;pack.CSC2|=0x20;}
258 if (pack.CSC2&0x04) //AEL
259 if (pack.bytes[1]<pack.LC) {alarmflag=1;pack.CSC2|=0x10;}
262 /*if (pack.CSD2&0x01) ADMUX=3; else ADMUX=0x83;
265 while ((ADCSRA&(1<<ADSC)));
266 cli();pack.D=ADC;sei();*/
268 cli();pack.D=P/100.0*32.0;sei();
269 if (pack.CSD2&0x08) //AEH
270 if (pack.bytes[1]>pack.HD) {alarmflag=1;pack.CSD2|=0x20;}
271 if (pack.CSD2&0x04) //AEL
272 if (pack.bytes[1]<pack.LD) {alarmflag=1;pack.CSD2|=0x10;}
276 //PORTB&=~(1<<PINB1);
280 for(uint8_t i=0;i<4;i++) {
281 if (pack.bytes[8+i*2]&0x80) { //Chanel as output
282 if (pack.bytes[8+i*2]&0x40) {
293 #if defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
294 if (((TIMSK & (1<<TOIE0))==0)&& (mode==0))
296 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) ||defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
297 if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))
301 MCUCR|=(1<<SE)|(1<<SM1);