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/MAX1164x.h"
43 #include "../common/I2C/SHT2x.h"
44 #include "../common/calibr.h"
47 extern void EXTERN_SLEEP();
51 volatile uint8_t owid1[8]={0x28, 0xA3, 0xD9, 0x84, 0x00, 0x16, 0x05, 0x18};/**/
52 volatile uint8_t owid2[8]={0x26, 0xA3, 0xD9, 0x84, 0x00, 0x16, 0x05, 0x67};/**/
53 volatile uint8_t config_info1[16]={0x08,0x01, 0x00,0x00, 0x00,0x00, 0x00,0x00, 0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
54 volatile uint8_t config_info2[16]={0x01,0x06, 0x05,0x08, 0x04,0x07, 0x07,0x08, 0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
57 #error "Variable not correct"
61 extern uint8_t gcontrol;
62 extern uint8_t reset_indicator;
63 extern uint8_t alarmflag;
64 volatile uint8_t wdcounter=1;
67 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
73 if (reset_indicator==1) reset_indicator++;
74 else if (reset_indicator==2) mode=0;
81 volatile uint8_t bytes[8];
92 volatile pack1_t pack1;
97 #if defined(__AVR_ATtiny25__)
98 volatile uint8_t bytes[16];
100 volatile uint8_t bytes[64];
105 uint16_t voltage; //4
107 uint8_t threshold; //8
109 uint8_t page1[8]; //9
110 #if defined(__AVR_ATtiny25__)
112 uint8_t page2[8]; //17
113 uint8_t page3[8]; //25
114 uint8_t page4[8]; //33
115 uint8_t page5[8]; //41
116 uint8_t page6[8]; //49
117 uint8_t page7[8]; //57
122 volatile pack2_t pack2;
127 volatile int16_t am2302_temp;
128 volatile uint16_t am2302_hum;
131 uint8_t userRegister[1];
133 double temperatureC,humidityRH,hhum;
137 #define CH0_M MAX1164x_C_SCAN0|MAX1164x_C_SGL
138 #define CH1_M MAX1164x_C_SCAN0|MAX1164x_C_SGL|MAX1164x_C_CS0
139 #define CH0_CH1 MAX1164x_C_SCAN0
143 inline double interp(double t, double h) {
148 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;
160 //volatile double test=calibr_hum(20,1,20);
161 PRR|=(1<<PRADC); // adc for save Power
177 MCUCR &=~(1<<PUD); //All Pins Pullup...
180 while(EECR & (1<<EEPE));
186 while(EECR & (1<<EEPE));
191 pack2.page3[0]=hr&0xFF;
192 pack2.page3[1]=(hr>>8)&0xFF;
197 WDTCSR |= ((1<<WDCE) ); // Enable the WD Change Bit//| (1<<WDE)
198 WDTCSR |= (1<<WDIE) | // Enable WDT Interrupt
199 (1<<WDP0) |(1<<WDP2) | (1<<WDP1); // Set Timeout to ~2 seconds
200 //(1<<WDP3) | (1<<WDP0); // Set Timeout to ~8 seconds
203 USI_TWI_Master_Initialise();
206 SHT2x_ReadUserRegister(userRegister);
207 //(userRegister & ~SHT2x_RES_MASK) | SHT2x_RES_10_13BIT;
208 SHT2x_WriteUserRegister(userRegister); //write changed user reg
209 // --- measure humidity with "Hold Master Mode (HM)" ---
210 //SHT2x_MeasurePoll(HUMIDITY, &sRH);
211 // --- measure temperature with "Polling Mode" (no hold master) ---
212 //SHT2x_MeasurePoll(TEMP, &sT);
213 //-- calculate humidity and temperature --
214 //temperatureC = SHT2x_CalcTemperatureC(sT);
215 //humidityRH = SHT2x_CalcRH(sRH);
216 MAX1164x_config(MAX1164x_S_SEL2|MAX1164x_S_SEL0,CH0_M);//#define MAX1164x_C_CS0
217 _delay_ms(30); //Internal Referenz start
223 if (pack1.config==0x1F) {
229 pack2.page3[0]=hr&0xFF;
230 pack2.page3[1]=(hr>>8)&0xFF;
232 while(EECR & (1<<EEPE));
233 EECR = (0<<EEPM1)|(0<<EEPM0);
238 while(EECR & (1<<EEPE));
239 EECR = (0<<EEPM1)|(0<<EEPM0);
246 } else reset_R0=0; //PORTB|=(1<<PINB1); //Dauer 440ms
248 if (startup!=0) startup--;
249 SHT2x_MeasurePoll(HUMIDITY, &sRH);
250 // --- measure temperature with "Polling Mode" (no hold master) ---
251 SHT2x_MeasurePoll(TEMP, &sT);
252 //-- calculate humidity and temperature --
253 temperatureC = SHT2x_CalcTemperatureC(sT);
254 humidityRH = SHT2x_CalcRH(sRH);
255 ip=interp(temperatureC,humidityRH);
256 humidityRH=calibr_hum(temperatureC,-1,humidityRH)*10.0;
257 //humidityRH=humidityRH*10.0;
258 temperatureC =temperatureC *10.0-10;
259 hhum=(1.0546-0.000216*temperatureC)*(humidityRH);
260 am2302_hum=0.318*hhum +76.0;
261 am2302_temp=temperatureC*25.6;
262 //PORTB&=~(1<<PINB1);
264 //Kritische Sektion !______________________________
272 //ENDE Kritische Sektion !______________________________
273 //l=mr/2.0*2.048/4096;
274 // l maximal 2 mr max 4096 //mr 2V=8000
277 //l+=1.5; //Spannung real
283 MAX1164x_config(MAX1164x_S_SEL2|MAX1164x_S_SEL0,CH0_CH1);
285 pack2.page3[4]=cmode;
291 MAX1164x_config(MAX1164x_S_SEL2|MAX1164x_S_SEL0,CH0_M);
293 pack2.page3[4]=cmode;
300 pack2.page3[2]=hr&0xFF;
301 pack2.page3[3]=(hr>>8)&0xFF;
305 //ip=interp(temperatureC,humidityRH);
307 pack2.page3[5]=hr&0xFF;
308 pack2.page3[6]=(hr>>8)&0xFF;
316 pack2.page3[0]=hr&0xFF;
317 pack2.page3[1]=(hr>>8)&0xFF;
319 while(EECR & (1<<EEPE));
320 EECR = (0<<EEPM1)|(0<<EEPM0);
325 while(EECR & (1<<EEPE));
326 EECR = (0<<EEPM1)|(0<<EEPM0);
336 l=l*160*4; //fuer DS18B20
348 if (t8>pack1.TH) af=1;
349 if (t8<=pack1.TL) af=1;
357 if ((gcontrol==2)||(gcontrol==3)) {
363 #if defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
364 if (((TIMSK & (1<<TOIE0))==0)&& (mode==0))
366 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) ||defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
367 if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))
371 MCUCR|=(1<<SE)|(1<<SM1);