2 // Copyright (c) 2015, Tobias Mueller tm(at)tm3d.de
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3 // All rights reserved.
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5 // Redistribution and use in source and binary forms, with or without
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6 // modification, are permitted provided that the following conditions are
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9 // * Redistributions of source code must retain the above copyright
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10 // notice, this list of conditions and the following disclaimer.
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11 // * Redistributions in binary form must reproduce the above copyright
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12 // notice, this list of conditions and the following disclaimer in the
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13 // documentation and/or other materials provided with the
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15 // * All advertising materials mentioning features or use of this
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16 // software must display the following acknowledgement: This product
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17 // includes software developed by tm3d.de and its contributors.
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18 // * Neither the name of tm3d.de nor the names of its contributors may
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19 // be used to endorse or promote products derived from this software
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20 // without specific prior written permission.
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22 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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23 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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24 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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25 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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26 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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27 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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28 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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29 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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30 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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31 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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32 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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34 #define F_CPU 8000000UL
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36 #include <avr/interrupt.h>
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37 #include <util/delay.h>
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38 #include <avr/wdt.h>
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39 #include <avr/sleep.h>
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40 #include <avr/pgmspace.h>
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41 #include "../common/I2C/USI_TWI_Master.h"
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42 #include "../common/I2C/SHT2x.h"
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43 #include "../common/I2C/BMP280.h"
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44 extern void OWINIT();
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45 extern void EXTERN_SLEEP();
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47 uint8_t owid[8]={0x20, 0xA2, 0xD9, 0x84, 0x00, 0x16, 0x02, 0x5D};/**/
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48 uint8_t config_info[16]={0x01,14,0x04,0x08, 0x06,0x09, 0x02,16,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
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51 #error "Variable not correct"
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54 extern uint8_t mode;
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55 extern uint8_t gcontrol;
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56 extern uint8_t reset_indicator;
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57 extern uint8_t alarmflag;
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58 volatile uint8_t wdcounter=10;
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61 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
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62 ISR(WATCHDOG_vect) {
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67 if (reset_indicator==1) reset_indicator++;
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68 else if (reset_indicator==2) mode=0;
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72 volatile uint8_t bytes[0x20];
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112 volatile pack_t pack;
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116 volatile int16_t am2302_temp;
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117 volatile uint16_t am2302_hum;
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120 uint8_t userRegister[1];
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122 volatile double temperatureC,humidityRH;
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151 PORTB=0xFF-(1<<PORTB0); //Schalter kann gegen Masse sein und zieht dann immer Strom
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152 DDRB|=(1<<PORTB0); //Als Ausgang und 0
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153 PORTA=0xFF; //All Pull up;
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154 PRR|=(1<<PRADC); // adc for save Power
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156 ACSR|=(1<<ACD); //Disable Comparator
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159 MCUCR &=~(1<<PUD); //All Pins Pullup...
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161 WDTCSR |= ((1<<WDCE) ); // Enable the WD Change Bit//| (1<<WDE)
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162 WDTCSR |= (1<<WDIE) | // Enable WDT Interrupt
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163 (1<<WDP3) | (1<<WDP0); // Set Timeout to ~8 seconds
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167 USI_TWI_Master_Initialise();
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170 SHT2x_ReadUserRegister(userRegister);
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171 //(userRegister & ~SHT2x_RES_MASK) | SHT2x_RES_10_13BIT;
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172 SHT2x_WriteUserRegister(userRegister); //write changed user reg
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173 // --- measure humidity with "Hold Master Mode (HM)" ---
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174 //SHT2x_MeasurePoll(HUMIDITY, &sRH);
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175 // --- measure temperature with "Polling Mode" (no hold master) ---
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176 //SHT2x_MeasurePoll(TEMP, &sT);
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177 //-- calculate humidity and temperature --
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178 //temperatureC = SHT2x_CalcTemperatureC(sT);
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179 //humidityRH = SHT2x_CalcRH(sRH);
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183 //DDRB|=(1<<PINB1);
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187 if (wdcounter>3) {
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188 SHT2x_MeasurePoll(HUMIDITY, &sRH);
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189 // --- measure temperature with "Polling Mode" (no hold master) ---
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190 SHT2x_MeasurePoll(TEMP, &sT);
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191 //-- calculate humidity and temperature --
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192 temperatureC = SHT2x_CalcTemperatureC(sT);
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193 humidityRH = SHT2x_CalcRH(sRH);
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194 bmp280ConvertInt(&t,&P,1);
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204 //PORTB|=(1<<PINB1);
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207 for(uint8_t i=0;i<4;i++){
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208 if (pack.convc1&bb1) {
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209 if (pack.convc2&(bb)) {pack.bytes[i*2]=0;pack.bytes[i*2+1]=0;}
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211 if (pack.convc2&(bb)) {pack.bytes[i*2]=0xFF;pack.bytes[i*2+1]=0xFF;}
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217 if (pack.convc1&1) {
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218 /*if (pack.CSA2&0x01) ADMUX=0; else ADMUX=0x80;
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221 while ((ADCSRA&(1<<ADSC)));
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222 cli();pack.A=ADC;sei();*/
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223 uint16_t ct=(temperatureC*100.0)+32767;
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224 cli();pack.A=ct;sei();
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228 if (pack.CSA2&0x08) //AEH
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229 if (pack.bytes[1]>pack.HA) {alarmflag=1;pack.CSA2|=0x20;}
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230 if (pack.CSA2&0x04) //AEL
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231 if (pack.bytes[1]<pack.LA) {alarmflag=1;pack.CSA2|=0x10;}
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234 if (pack.convc1&2) {
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235 /*if (pack.CSB2&0x01) ADMUX=1; else ADMUX=0x81;
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238 while ((ADCSRA&(1<<ADSC)));
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239 cli();pack.B=ADC;sei();*/
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241 cli();pack.B=humidityRH*100;sei();
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242 if (pack.CSB2&0x08) //AEH
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243 if (pack.bytes[1]>pack.HB) {alarmflag=1;pack.CSB2|=0x20;}
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244 if (pack.CSB2&0x04) //AEL
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245 if (pack.bytes[1]<pack.LB) {alarmflag=1;pack.CSB2|=0x10;}
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248 if (pack.convc1&4) {
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249 /*if (pack.CSC2&0x01) ADMUX=2; else ADMUX=0x82;
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252 while ((ADCSRA&(1<<ADSC)));
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253 cli();pack.C=ADC;sei();*/
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255 cli();pack.C=0;sei();
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256 if (pack.CSC2&0x08) //AEH
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257 if (pack.bytes[1]>pack.HC) {alarmflag=1;pack.CSC2|=0x20;}
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258 if (pack.CSC2&0x04) //AEL
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259 if (pack.bytes[1]<pack.LC) {alarmflag=1;pack.CSC2|=0x10;}
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261 if (pack.convc1&8) {
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262 /*if (pack.CSD2&0x01) ADMUX=3; else ADMUX=0x83;
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265 while ((ADCSRA&(1<<ADSC)));
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266 cli();pack.D=ADC;sei();*/
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268 cli();pack.D=P/100.0*32.0;sei();
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269 if (pack.CSD2&0x08) //AEH
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270 if (pack.bytes[1]>pack.HD) {alarmflag=1;pack.CSD2|=0x20;}
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271 if (pack.CSD2&0x04) //AEL
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272 if (pack.bytes[1]<pack.LD) {alarmflag=1;pack.CSD2|=0x10;}
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276 //PORTB&=~(1<<PINB1);
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280 for(uint8_t i=0;i<4;i++) {
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281 if (pack.bytes[8+i*2]&0x80) { //Chanel as output
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282 if (pack.bytes[8+i*2]&0x40) {
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293 #if defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
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294 if (((TIMSK & (1<<TOIE0))==0)&& (mode==0))
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296 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) ||defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
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297 if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))
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301 MCUCR|=(1<<SE)|(1<<SM1);
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302 MCUCR&=~(1<<ISC01);
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