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 <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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45 extern void OWINIT();
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46 extern void EXTERN_SLEEP();
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48 const float k_rs[54] PROGMEM ={0.000000,24.125000,48.585366,72.731707,96.829268,121.097561,145.700000,170.600000,195.650000,220.625000,245.365854,269.853659,294.119048,318.195122,342.166667,366.000000,389.761905,413.428571,437.023810,460.558140,484.047619,507.511628,530.976190,554.418605,577.883721,601.395349,624.952381,648.571429,672.285714,696.073171,719.976190,744.000000,768.146341,792.439024,816.853659,841.414634,866.125000,890.975000,916.000000,941.179487,966.525000,992.025641,1017.717949,1043.589744,1069.657895,1095.945946,1122.432432,1149.184211,1176.189189,1203.472222,1231.083333,1259.000000,1287.285714,1315.941176};
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49 //const float j_rs[70] PROGMEM ={0, 18.302913, 34.830476, 50.783019, 70.653704, 90.505455, 110.341818, 130.165455, 149.163636, 160.791071, 180.596364, 200.398214, 220.200000, 240.000000, 250.882883, 270.603636, 290.409091, 310.216364, 330.025455, 342.472727, 360.649091, 380.461818, 400.275000, 420.087273, 435.275676, 450.703636, 470.503636, 490.298214, 510.082456, 523.486726, 540.621053, 560.370175, 580.105172, 591.979487, 610.527119, 630.213559, 644.601653, 660.534426, 680.168852, 690.787097, 710.391935, 729.123810, 740.559375, 760.126562, 770.684615, 790.235385, 800.782812, 820.331250, 834.681250, 850.446032, 870.017460, 880.600000, 900.196774, 911.099187, 930.432787, 950.073333, 960.728333, 980.396667, 1000.078333, 1010.772881, 1030.475862, 1050.187931, 1065.717241, 1080.631034, 1100.358621, 1120.089655, 1131.840000,1150.556897, 1170.294737, 1190.035088};
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50 double gettemp_rs(double V) {
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51 uint8_t iv=(uint8_t)(V);
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52 float t0=pgm_read_float(&(k_rs[iv]));
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53 float t1=pgm_read_float(&(k_rs[iv+1]));
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54 return t0+(t1-t0)/1*(V-iv);
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61 uint8_t owid1[8]={0x28, 0xA6, 0xD9, 0x84, 0x00, 0x00, 0x03, 0x68};/**/
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62 uint8_t owid2[8]={0x26, 0xA7, 0xD9, 0x84, 0x00, 0x00, 0x03, 0x20};/**/
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63 uint8_t config_info1[26]={0x01,0x02 ,0x00,0x00, 0x00,0x00, 0x00,0x00, 0x02,6,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
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64 uint8_t config_info2[26]={0x01,0x06, 0x05,0x08, 0x04,0x07, 0x00,0x00, 0x02,7,0x00,7,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
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67 #error "Variable not correct"
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70 extern uint8_t mode;
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71 extern uint8_t gcontrol;
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72 extern uint8_t reset_indicator;
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73 extern uint8_t alarmflag;
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74 volatile uint8_t wdcounter=5;
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77 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
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78 ISR(WATCHDOG_vect) {
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82 //sleep_disable(); // Disable Sleep on Wakeup
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84 if (reset_indicator==1) reset_indicator++;
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85 else if (reset_indicator==2) mode=0;
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86 /* if (timeout==2) {
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92 //sleep_enable(); // Enable Sleep Mode
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98 DDRB&=~(1<<PORTB0); //Eingang
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99 __asm__ __volatile__ ("nop");
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100 PORTB|=(1<<PORTB0); //Pullup
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101 __asm__ __volatile__ ("nop");
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102 __asm__ __volatile__ ("nop");
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103 __asm__ __volatile__ ("nop");
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104 __asm__ __volatile__ ("nop");
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105 __asm__ __volatile__ ("nop");
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106 r=PINB&(1<<PORTB0);
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107 __asm__ __volatile__ ("nop");
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108 PORTB&=~(1<<PORTB0);
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109 __asm__ __volatile__ ("nop");
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110 DDRB|=(1<<PORTB0); //Eingang
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118 volatile uint8_t bytes[8];
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123 uint8_t config; //4
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129 volatile pack1_t pack1;
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134 #if defined(__AVR_ATtiny25__)
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135 volatile uint8_t bytes[16];
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137 volatile uint8_t bytes[64];
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140 uint8_t status; //1
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142 uint16_t voltage; //4
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143 uint16_t current; //6
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144 uint8_t threshold; //8
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146 uint8_t page1[8]; //9
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147 #if defined(__AVR_ATtiny25__)
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149 uint8_t page2[8]; //17
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150 uint8_t page3[8]; //25
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151 uint8_t page4[8]; //33
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152 uint8_t page5[8]; //41
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153 uint8_t page6[8]; //49
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154 uint8_t page7[8]; //57
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155 //uint8_t crc; //65
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159 volatile pack2_t pack2;
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162 volatile double V,ktemp;
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164 uint16_t ADmess() {
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167 while ((ADCSRA&(1<<ADSC)));
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171 volatile int16_t am2302_temp;
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172 volatile uint16_t am2302_hum;
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175 uint8_t userRegister[1];
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177 volatile double temperatureC,humidityRH;
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183 //PRR|=(1<<PRADC); // adc for save Power
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191 PORTA=0xFF-(1<<PINA1)-(1<<PINA2);
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195 MCUCR &=~(1<<PUD); //All Pins Pullup...
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198 WDTCSR |= ((1<<WDCE) ); // Enable the WD Change Bit//| (1<<WDE)
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199 WDTCSR |= (1<<WDIE) | // Enable WDT Interrupt
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200 (1<<WDP2) | (1<<WDP1); // Set Timeout to ~1 seconds
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207 USI_TWI_Master_Initialise();
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209 SHT2x_ReadUserRegister(userRegister);
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210 //(userRegister & ~SHT2x_RES_MASK) | SHT2x_RES_10_13BIT;
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211 SHT2x_WriteUserRegister(userRegister); //write changed user reg
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212 // --- measure humidity with "Hold Master Mode (HM)" ---
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213 SHT2x_MeasurePoll(HUMIDITY, &sRH);
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214 // --- measure temperature with "Polling Mode" (no hold master) ---
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215 SHT2x_MeasurePoll(TEMP, &sT);
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216 //-- calculate humidity and temperature --
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217 //temperatureC = SHT2x_CalcTemperatureC(sT);
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218 //humidityRH = SHT2x_CalcRH(sRH);
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222 ADCSRA=(1<<ADEN)|(1<<ADPS2)|(1<<ADPS1)|(1<<ADPS0);
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223 //DDRB|=(1<<PINB1);
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225 uint16_t ares[16],sum;
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227 ares[0]=0;//ADmess();
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228 for (par=1;par<16;par++) {
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233 if ((gcontrol==2)||(gcontrol==3)) {
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241 //PORTB|=(1<<PINB1); //Dauer 440ms
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242 SHT2x_MeasurePoll(HUMIDITY, &sRH);
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243 // --- measure temperature with "Polling Mode" (no hold master) ---
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244 SHT2x_MeasurePoll(TEMP, &sT);
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245 //-- calculate humidity and temperature --
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246 temperatureC = SHT2x_CalcTemperatureC(sT)*10.0-2;
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247 humidityRH = SHT2x_CalcRH(sRH)*10.0+5;
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248 if (humidityRH>1000) humidityRH=1000;
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250 am2302_hum= humidityRH*10.0;
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251 am2302_temp=temperatureC*25.6;
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255 double hhum=(1.0546-0.000216*temperatureC)*(humidityRH);
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256 //am2302_hum=0.318*hhum +76.0;
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257 am2302_hum=0.31*hhum +80;
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258 am2302_temp=temperatureC*25.6;
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259 //am2302_temp=am2302_temp-45;
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263 ares[par]=ADmess();
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272 for(uint8_t i=0;i<16;i++) {
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275 V=sum/20.0/1024.0*1.12*1000.0/16.0;
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276 //V=sum/20.0/1024.0*1.01*1000.0/16.0;
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278 ktemp=gettemp_rs(V);
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279 //htemp=(ktemp*16)/10;
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280 htemp=(ktemp*16+temperatureC*1.6)/10;
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285 if (t8>pack1.TH) af=1;
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286 if (t8<=pack1.TL) af=1;
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297 #if defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
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298 if (((TIMSK & (1<<TOIE0))==0)&& (mode==0))
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300 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) ||defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
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301 if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))
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305 MCUCR|=(1<<SE)|(1<<SM1);
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306 MCUCR&=~(1<<ISC01);
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