1 // Copyright (c) 2017, Tobias Mueller tm(at)tm3d.de
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2 // All rights reserved.
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4 // Redistribution and use in source and binary forms, with or without
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5 // modification, are permitted provided that the following conditions are
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8 // * Redistributions of source code must retain the above copyright
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9 // notice, this list of conditions and the following disclaimer.
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10 // * Redistributions in binary form must reproduce the above copyright
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11 // notice, this list of conditions and the following disclaimer in the
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12 // documentation and/or other materials provided with the
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14 // * All advertising materials mentioning features or use of this
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15 // software must display the following acknowledgement: This product
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16 // includes software developed by tm3d.de and its contributors.
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17 // * Neither the name of tm3d.de nor the names of its contributors may
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18 // be used to endorse or promote products derived from this software
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19 // without specific prior written permission.
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21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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22 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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23 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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24 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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25 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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26 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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27 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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28 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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29 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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30 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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31 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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33 #define F_CPU 8000000UL
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35 #include <avr/interrupt.h>
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36 #include <util/delay.h>
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37 #include <avr/wdt.h>
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38 #include <avr/sleep.h>
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39 #include <avr/pgmspace.h>
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40 #include "../common/I2C/USI_TWI_Master.h"
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41 #include "../common/I2C/SHT2x.h"
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42 #include "../common/I2C/BMP280.h"
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43 #include "../common/calibr.h"
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45 extern void OWINIT();
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46 extern void EXTERN_SLEEP();
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49 uint8_t owid1[8]={0x28, 0xA3, 0xD9, 0x84, 0x00, 0x16, 0x05, 0x18};/**/
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50 uint8_t owid2[8]={0x26, 0xA3, 0xD9, 0x84, 0x00, 0x16, 0x05, 0x67};/**/
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52 uint8_t config_info1[26]={0x02,0x03, 0x00,0x00, 0x00,0x00, 0x00,0x00, 0x02,14,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
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53 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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57 #error "Variable not correct"
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60 extern uint8_t mode;
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61 extern uint8_t gcontrol;
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62 extern uint8_t reset_indicator;
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63 extern uint8_t alarmflag;
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64 volatile uint8_t wdcounter=3;
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67 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
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68 ISR(WATCHDOG_vect) {
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73 //sleep_disable(); // Disable Sleep on Wakeup
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75 if (reset_indicator==1) reset_indicator++;
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76 else if (reset_indicator==2) mode=0;
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77 /* if (timeout==2) {
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83 //sleep_enable(); // Enable Sleep Mode
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89 volatile uint8_t bytes[8];
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100 volatile pack1_t pack1;
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105 #if defined(__AVR_ATtiny25__)
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106 volatile uint8_t bytes[16];
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108 volatile uint8_t bytes[64];
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111 uint8_t status; //1
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113 uint16_t voltage; //4
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114 uint16_t current; //6
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115 uint8_t threshold; //8
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117 uint8_t page1[8]; //9
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118 #if defined(__AVR_ATtiny25__)
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120 uint8_t page2[8]; //17
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121 uint8_t page3[8]; //25
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122 uint8_t page4[8]; //33
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123 uint8_t page5[8]; //41
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124 uint8_t page6[8]; //49
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125 uint8_t page7[8]; //57
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126 //uint8_t crc; //65
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130 volatile pack2_t pack2;
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135 volatile int16_t am2302_temp;
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136 volatile uint16_t am2302_hum;
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141 DDRB&=~(1<<PORTB0); //Eingang
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142 __asm__ __volatile__ ("nop");
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143 PORTB|=(1<<PORTB0); //Pullup
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144 __asm__ __volatile__ ("nop");
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145 __asm__ __volatile__ ("nop");
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146 __asm__ __volatile__ ("nop");
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147 __asm__ __volatile__ ("nop");
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148 __asm__ __volatile__ ("nop");
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149 r=PINB&(1<<PORTB0);
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150 __asm__ __volatile__ ("nop");
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151 PORTB&=~(1<<PORTB0);
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152 __asm__ __volatile__ ("nop");
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153 DDRB|=(1<<PORTB0); //Eingang
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159 uint8_t userRegister[1];
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161 volatile double temperatureC,humidityRH;
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167 PRR|=(1<<PRADC); // adc for save Power
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169 PORTB=0xFF-(1<<PORTB0); //Schalter kann gegen Masse sein und zieht dann immer Strom
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170 DDRB|=(1<<PORTB0); //Als Ausgang und 0
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183 ACSR|=(1<<ACD); //Disable Comparator
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184 ADCSRB|=(1<<ACME); //Disable Analog multiplexer
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185 MCUCR &=~(1<<PUD); //All Pins Pullup...
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186 //MCUCR &=~(1<<BODS);
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189 WDTCSR |= ((1<<WDCE) ); // Enable the WD Change Bit//| (1<<WDE)
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190 WDTCSR |= (1<<WDIE) | // Enable WDT Interrupt
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191 (1<<WDP3) | (1<<WDP0); // Set Timeout to ~8 seconds
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200 USI_TWI_Master_Initialise();
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203 SHT2x_ReadUserRegister(userRegister);
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204 //(userRegister & ~SHT2x_RES_MASK) | SHT2x_RES_10_13BIT;
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205 SHT2x_WriteUserRegister(userRegister); //write changed user reg
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206 // --- measure humidity with "Hold Master Mode (HM)" ---
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207 //SHT2x_MeasurePoll(HUMIDITY, &sRH);
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208 // --- measure temperature with "Polling Mode" (no hold master) ---
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209 //SHT2x_MeasurePoll(TEMP, &sT);
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210 //-- calculate humidity and temperature --
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211 //temperatureC = SHT2x_CalcTemperatureC(sT);
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212 //humidityRH = SHT2x_CalcRH(sRH);
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223 SHT2x_MeasurePoll(HUMIDITY, &sRH);
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224 // --- measure temperature with "Polling Mode" (no hold master) ---
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225 SHT2x_MeasurePoll(TEMP, &sT);
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226 //-- calculate humidity and temperature --
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227 temperatureC = SHT2x_CalcTemperatureC(sT);
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228 humidityRH = SHT2x_CalcRH(sRH);
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229 humidityRH=calibr_hum(temperatureC,-0.45,humidityRH)*10.0;
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230 temperatureC=temperatureC*10.0-4.5;
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232 am2302_hum= humidityRH*10.0;
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233 am2302_temp=temperatureC*25.6;
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234 //am2302_temp=am2302_temp-20;
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239 double hhum=(1.0546-0.000216*temperatureC)*(humidityRH);
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240 //am2302_hum=0.318*hhum +76.0;
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241 am2302_hum=0.31*hhum +80;
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242 am2302_temp=temperatureC*25.6;
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243 //am2302_temp=am2302_temp-20;
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249 if ((gcontrol&1)==1) {
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251 bmp280ConvertInt(&t,&P,1);
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257 if (t8>pack1.TH) af=1;
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258 if (t8<=pack1.TL) af=1;
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273 #if defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
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274 if (((TIMSK & (1<<TOIE0))==0)&& (mode==0))
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276 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) ||defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
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277 if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))
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281 MCUCR|=(1<<SE)|(1<<SM1);
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282 MCUCR&=~(1<<ISC01);
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287 //MCUCR&=~(1<<ISC01);
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