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"
44 #include "../common/I2C/MAX44009.h"
46 extern void EXTERN_SLEEP();
48 uint8_t owid[8]={0x20, 0xA2, 0xD9, 0x84, 0x00, 0x16, 0x02, 0x5D};/**/
49 uint8_t config_info[16]={0x01,14,0x04,0x08, 0x03,15, 0x02,16,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
52 #error "Variable not correct"
56 extern uint8_t gcontrol;
57 extern uint8_t reset_indicator;
58 extern uint8_t alarmflag;
59 volatile uint8_t wdcounter=10;
62 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
68 if (reset_indicator==1) reset_indicator++;
69 else if (reset_indicator==2) mode=0;
73 volatile uint8_t bytes[0x20];
113 volatile pack_t pack;
117 volatile int16_t am2302_temp;
118 volatile uint16_t am2302_hum;
121 uint8_t userRegister[1];
123 volatile double temperatureC,humidityRH;
153 PORTB=0xFF-(1<<PORTB0); //Schalter kann gegen Masse sein und zieht dann immer Strom
154 DDRB|=(1<<PORTB0); //Als Ausgang und 0
155 PORTA=0xFF; //All Pull up;
156 PRR|=(1<<PRADC); // adc for save Power
158 ACSR|=(1<<ACD); //Disable Comparator
161 MCUCR &=~(1<<PUD); //All Pins Pullup...
163 WDTCSR |= ((1<<WDCE) ); // Enable the WD Change Bit//| (1<<WDE)
164 WDTCSR |= (1<<WDIE) | // Enable WDT Interrupt
165 (1<<WDP3) | (1<<WDP0); // Set Timeout to ~8 seconds
169 USI_TWI_Master_Initialise();
172 SHT2x_ReadUserRegister(userRegister);
173 //(userRegister & ~SHT2x_RES_MASK) | SHT2x_RES_10_13BIT;
174 SHT2x_WriteUserRegister(userRegister); //write changed user reg
175 // --- measure humidity with "Hold Master Mode (HM)" ---
176 //SHT2x_MeasurePoll(HUMIDITY, &sRH);
177 // --- measure temperature with "Polling Mode" (no hold master) ---
178 //SHT2x_MeasurePoll(TEMP, &sT);
179 //-- calculate humidity and temperature --
180 //temperatureC = SHT2x_CalcTemperatureC(sT);
181 //humidityRH = SHT2x_CalcRH(sRH);
182 if (checkMAX44009(0)) max_adr=0; else max_adr=1 ;
191 SHT2x_MeasurePoll(HUMIDITY, &sRH);
192 // --- measure temperature with "Polling Mode" (no hold master) ---
193 SHT2x_MeasurePoll(TEMP, &sT);
194 //-- calculate humidity and temperature --
195 temperatureC = SHT2x_CalcTemperatureC(sT);
196 humidityRH = SHT2x_CalcRH(sRH);
197 bmp280ConvertInt(&t,&P,1);
198 l=MAX44009getlux(max_adr);
199 if (l<0.030) l=0.030; //Darf nicht 0 sein. minimum -35°C Sensor minimum 0.045
201 l=(log(l)*1000)+32767.0;
214 for(uint8_t i=0;i<4;i++){
215 if (pack.convc1&bb1) {
216 if (pack.convc2&(bb)) {pack.bytes[i*2]=0;pack.bytes[i*2+1]=0;}
218 if (pack.convc2&(bb)) {pack.bytes[i*2]=0xFF;pack.bytes[i*2+1]=0xFF;}
225 /*if (pack.CSA2&0x01) ADMUX=0; else ADMUX=0x80;
228 while ((ADCSRA&(1<<ADSC)));
229 cli();pack.A=ADC;sei();*/
230 uint16_t ct=(temperatureC*100.0)+32767;
231 cli();pack.A=ct;sei();
235 if (pack.CSA2&0x08) //AEH
236 if (pack.bytes[1]>pack.HA) {alarmflag=1;pack.CSA2|=0x20;}
237 if (pack.CSA2&0x04) //AEL
238 if (pack.bytes[1]<pack.LA) {alarmflag=1;pack.CSA2|=0x10;}
242 /*if (pack.CSB2&0x01) ADMUX=1; else ADMUX=0x81;
245 while ((ADCSRA&(1<<ADSC)));
246 cli();pack.B=ADC;sei();*/
248 cli();pack.B=humidityRH*100;sei();
249 if (pack.CSB2&0x08) //AEH
250 if (pack.bytes[1]>pack.HB) {alarmflag=1;pack.CSB2|=0x20;}
251 if (pack.CSB2&0x04) //AEL
252 if (pack.bytes[1]<pack.LB) {alarmflag=1;pack.CSB2|=0x10;}
256 /*if (pack.CSC2&0x01) ADMUX=2; else ADMUX=0x82;
259 while ((ADCSRA&(1<<ADSC)));
260 cli();pack.C=ADC;sei();*/
262 cli();pack.C=l;sei();
263 if (pack.CSC2&0x08) //AEH
264 if (pack.bytes[1]>pack.HC) {alarmflag=1;pack.CSC2|=0x20;}
265 if (pack.CSC2&0x04) //AEL
266 if (pack.bytes[1]<pack.LC) {alarmflag=1;pack.CSC2|=0x10;}
269 /*if (pack.CSD2&0x01) ADMUX=3; else ADMUX=0x83;
272 while ((ADCSRA&(1<<ADSC)));
273 cli();pack.D=ADC;sei();*/
275 cli();pack.D=P/100.0*32.0;sei();
276 if (pack.CSD2&0x08) //AEH
277 if (pack.bytes[1]>pack.HD) {alarmflag=1;pack.CSD2|=0x20;}
278 if (pack.CSD2&0x04) //AEL
279 if (pack.bytes[1]<pack.LD) {alarmflag=1;pack.CSD2|=0x10;}
283 //PORTB&=~(1<<PINB1);
287 for(uint8_t i=0;i<4;i++) {
288 if (pack.bytes[8+i*2]&0x80) { //Chanel as output
289 if (pack.bytes[8+i*2]&0x40) {
300 #if defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
301 if (((TIMSK & (1<<TOIE0))==0)&& (mode==0))
303 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) ||defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
304 if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))
308 MCUCR|=(1<<SE)|(1<<SM1);