2 // Copyright (c) 2017, 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 "../common/I2C/USI_TWI_Master.h"
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41 #include "../common/I2C/MAX1164x.h"
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42 #include "../common/I2C/SHT2x.h"
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43 #include "../common/calibr.h"
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44 #include "../common/I2C/BMP280.h"
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48 extern void OWINIT();
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49 extern void EXTERN_SLEEP();
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51 uint8_t owid[8]={0x20, 0xA2, 0xD9, 0x84, 0x00, 0x16, 0x02, 0x5D};/**/
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52 uint8_t config_info[26]={0x01,14, 0x04,0x08, 0x08,1, 0x02,16,0x02,7,7,17,14,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
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55 #error "Variable not correct"
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58 extern uint8_t mode;
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59 extern uint8_t gcontrol;
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60 extern uint8_t reset_indicator;
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61 extern uint8_t alarmflag;
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62 volatile uint8_t wdcounter=1;
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65 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
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66 ISR(WATCHDOG_vect) {
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71 if (reset_indicator==1) reset_indicator++;
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72 else if (reset_indicator==2) mode=0;
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77 volatile uint16_t _temp;
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78 volatile uint16_t _hum;
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81 uint8_t userRegister[1];
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83 double temperatureC,humidityRH,hhum;
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95 #define CH0_M MAX1164x_C_SCAN0|MAX1164x_C_SGL
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96 #define CH1_M MAX1164x_C_SCAN0|MAX1164x_C_SGL|MAX1164x_C_CS0
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97 #define CH0_CH1 MAX1164x_C_SCAN0
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100 uint16_t weekmaxarr[8];
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104 volatile uint8_t bytes[0x20];
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144 volatile pack_t pack;
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148 int16_t current; //6
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156 uint16_t r_day_max;
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157 uint16_t r_week_max;
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159 volatile pack2_t pack2;
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162 //Kompensieren der Abhänigkeit von RS/RO von Temperatur und Luftfeuchte
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163 inline double interp(double t, double h) {
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168 return 4.76111e-9*h2*t2-3.96956e-7*h2*t+0.0000408889*h2-1.07132e-6*h*t2+0.000115968*h*t-0.0101333*h+0.000163806*t2-0.0241179*t+1.80591;
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171 #define EEPROM_R0 0
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172 #define EEPROM_R0d 2
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173 #define EEPROM_R0w 4
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174 #define EEPROM_dol 6
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177 uint16_t readEEPROM(uint8_t addr,uint16_t def) {
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179 while(EECR & (1<<EEPE));
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185 while(EECR & (1<<EEPE));
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194 void writeEEPROM(uint8_t addr,uint16_t val) {
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195 while(EECR & (1<<EEPE));
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196 EECR = (0<<EEPM1)|(0<<EEPM0);
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199 EECR |= (1<<EEMPE);
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201 while(EECR & (1<<EEPE));
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202 EECR = (0<<EEPM1)|(0<<EEPM0);
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205 EECR |= (1<<EEMPE);
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214 PRR|=(1<<PRADC); // adc for save Power
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216 PORTB=0xFF-(1<<PORTB0); //Schalter kann gegen Masse sein und zieht dann immer Strom
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217 DDRB|=(1<<PORTB0); //Als Ausgang und 0
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219 DDRB|=(1<<PINB1);//Ausgang und 1
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222 WDTCSR |= ((1<<WDCE) ); // Enable the WD Change Bit//| (1<<WDE)
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223 WDTCSR |= (1<<WDIE) | // Enable WDT Interrupt
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224 //(1<<WDP0) |(1<<WDP2) | (1<<WDP1); // Set Timeout to ~2 seconds
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225 (1<<WDP3) | (1<<WDP0); // Set Timeout to ~8 seconds
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251 pack2.R0=readEEPROM(EEPROM_R0,1);
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254 pack2.r_day_max=readEEPROM(EEPROM_R0d,1);
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255 pack2.r_week_max=readEEPROM(EEPROM_R0w,1);
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256 pack2.tol_d=readEEPROM(EEPROM_dol,0);
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257 pack2.tol_s8=0; //Tag faengt mit Einschalten an
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258 for(uint8_t i=0;i<7;i++) {
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259 weekmaxarr[i]=pack2.r_week_max;
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262 USI_TWI_Master_Initialise();
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265 SHT2x_ReadUserRegister(userRegister);
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266 SHT2x_WriteUserRegister(userRegister); //write changed user reg
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267 MAX1164x_config(MAX1164x_S_SEL2|MAX1164x_S_SEL0,CH0_M);//#define MAX1164x_C_CS0
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268 _delay_ms(30); //Internal Referenz start
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276 /*if (pack1.config==0x1F) {
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280 writeEEPROM(EEPROM_R0,0);
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282 if (pack1.config==0x05) {
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283 pack1.config=0x7F;
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285 pack2.r_week_max=1;
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287 pack2.tol_s8=0; //Tag faengt mit Einschalten an
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289 writeEEPROM(EEPROM_R0,0xFF);
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290 writeEEPROM(EEPROM_R0d,0xFF); //Maximum des Tages
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291 writeEEPROM(EEPROM_R0w,0xFF); //Maximum der Letzten 7 Tage
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292 writeEEPROM(EEPROM_dol,0xFF); //Anzahl der Betriebstage
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293 for(uint8_t i=0;i<7;i++) {
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299 if (pack2.tol_s8>(10000)) {//10800 ist theortisch der Tag aber meistens zu lang
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301 pack2.tol_d++; //rund 180 Jahre :-)
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302 pack2.r_week_max=0;
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303 weekmaxarr[7]=pack2.r_day_max;
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304 for(uint8_t i=0;i<7;i++) {
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305 weekmaxarr[i]=weekmaxarr[i+1];
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306 if (weekmaxarr[i]>pack2.r_week_max) pack2.r_week_max=weekmaxarr[i];
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308 if (pack2.tol_d>7) {
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309 pack2.R0=pack2.r_week_max;
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311 pack2.R0=pack2.r_day_max;
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313 //R0=pack2.R0/100.0-0.5*(pack2.R0/100.0-R0);
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314 R0=R0-(R0-pack2.R0/100.0)*0.5 ;
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316 writeEEPROM(EEPROM_R0,pack2.R0);
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317 writeEEPROM(EEPROM_R0d,pack2.r_day_max); //Maximum des Tages
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318 writeEEPROM(EEPROM_R0w,pack2.r_week_max); //Maximum der Letzten 7 Tage
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319 writeEEPROM(EEPROM_dol,pack2.tol_d); //Anzahl der Betriebstage
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322 if (startup!=0) startup--;
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323 SHT2x_MeasurePoll(HUMIDITY, &sRH);
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324 // --- measure temperature with "Polling Mode" (no hold master) ---
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325 SHT2x_MeasurePoll(TEMP, &sT);
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326 //-- calculate humidity and temperature --
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327 temperatureC = SHT2x_CalcTemperatureC(sT);
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328 humidityRH = SHT2x_CalcRH(sRH);
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329 ip=interp(temperatureC,humidityRH);
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331 //humidityRH=calibr_hum(temperatureC,-0.45,humidityRH);
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332 //temperatureC =temperatureC -0.45;
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333 _hum= humidityRH*100.0;
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334 _temp=(temperatureC*100.0)+32767;
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335 //PORTB&=~(1<<PINB1);
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337 //Kritische Sektion !___Ein Breakpoint in dieser Section kann den TGS8100 zerstoeren!___________________________
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338 PORTB&=~(1<<PINB1); //Auf 0 Ziehen
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340 mr+=MAX1164x_read();
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342 mr+=MAX1164x_read();
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344 //ENDE Kritische Sektion !______________________________
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345 //l=mr/2.0*2.048/4096;
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346 // l maximal 2 mr max 4096 //mr 2V=8000
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348 if (pack2.cmode) { //cmode=0 V 0..2 V cmode=1 V 1.5..3.5V
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349 //l+=1.5; //Spannung real
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354 if (pack2.cmode==0) {
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355 MAX1164x_config(MAX1164x_S_SEL2|MAX1164x_S_SEL0,CH0_CH1);
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361 if (pack2.cmode==1) {
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362 MAX1164x_config(MAX1164x_S_SEL2|MAX1164x_S_SEL0,CH0_M);
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371 pack2.current=l*100;
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379 writeEEPROM(EEPROM_R0,pack2.R0);
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382 if (l*100>pack2.r_day_max) {
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383 pack2.r_day_max=l*100;
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385 } else if (l<R0) l=R0; //negative Werte am Anfang verhintern
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388 l=l*160*4; //fuer DS18B20
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389 bmp280ConvertIntP1(&bmp_P);
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390 bmp_P=bmp_P/3; // /100.0*32.0;
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396 //PORTB|=(1<<PINB1);
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399 for(uint8_t i=0;i<4;i++){
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400 if (pack.convc1&bb1) {
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401 if (pack.convc2&(bb)) {pack.bytes[i*2]=0;pack.bytes[i*2+1]=0;}
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403 if (pack.convc2&(bb)) {pack.bytes[i*2]=0xFF;pack.bytes[i*2+1]=0xFF;}
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409 if (pack.convc1&1) {
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410 cli();pack.A=_temp;sei();
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412 if (pack.CSA2&0x08) //AEH
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413 if (pack.bytes[1]>pack.HA) {alarmflag=1;pack.CSA2|=0x20;}
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414 if (pack.CSA2&0x04) //AEL
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415 if (pack.bytes[1]<pack.LA) {alarmflag=1;pack.CSA2|=0x10;}
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418 if (pack.convc1&2) {
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419 cli();pack.B=_hum;sei();
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420 if (pack.CSB2&0x08) //AEH
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421 if (pack.bytes[1]>pack.HB) {alarmflag=1;pack.CSB2|=0x20;}
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422 if (pack.CSB2&0x04) //AEL
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423 if (pack.bytes[1]<pack.LB) {alarmflag=1;pack.CSB2|=0x10;}
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426 if (pack.convc1&4) {
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427 cli();pack.C=l;sei();
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428 if (pack.CSC2&0x08) //AEH
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429 if (pack.bytes[1]>pack.HC) {alarmflag=1;pack.CSC2|=0x20;}
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430 if (pack.CSC2&0x04) //AEL
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431 if (pack.bytes[1]<pack.LC) {alarmflag=1;pack.CSC2|=0x10;}
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433 if (pack.convc1&8) {
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434 cli();pack.D=bmp_P;sei();
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435 if (pack.CSD2&0x08) //AEH
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436 if (pack.bytes[1]>pack.HD) {alarmflag=1;pack.CSD2|=0x20;}
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437 if (pack.CSD2&0x04) //AEL
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438 if (pack.bytes[1]<pack.LD) {alarmflag=1;pack.CSD2|=0x10;}
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442 //PORTB&=~(1<<PINB1);
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446 #if defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
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447 if (((TIMSK & (1<<TOIE0))==0)&& (mode==0))
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449 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) ||defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
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450 if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))
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454 MCUCR|=(1<<SE)|(1<<SM1);
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455 MCUCR&=~(1<<ISC01);
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