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 //!!!!!Max Program size 7551 Byte
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35 #define F_CPU 8000000UL
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37 #include <avr/interrupt.h>
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38 #include <util/delay.h>
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39 #include <avr/wdt.h>
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40 #include <avr/sleep.h>
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41 #include <avr/pgmspace.h>
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42 #include "../common/I2C/USI_TWI_Master.h"
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43 #include "../common/I2C/MAX1164x.h"
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44 #include "../common/I2C/SHT2xV2.h"
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45 #include "../common/calibr.h"
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47 extern void OWINIT(void);
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48 extern void EXTERN_SLEEP(void);
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52 volatile uint8_t owid1[8]={0x28, 0xA3, 0xD9, 0x84, 0x00, 0x16, 0x05, 0x18};/**/
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53 volatile uint8_t owid2[8]={0x26, 0xA3, 0xD9, 0x84, 0x00, 0x16, 0x05, 0x67};/**/
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54 volatile uint8_t config_info1[26]={0x08,18, 0x00,0x00, 0x00,0x00, 0x00,0x00, 0x02,17,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
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55 volatile uint8_t config_info2[26]={0x01,0x06, 0x05,0x08, 0x04,0x07, 11,0x08, 0x02,0x07,0x00,0x07,17,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
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58 #error "Variable not correct"
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61 extern uint8_t mode;
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62 extern uint8_t gcontrol;
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63 extern uint8_t reset_indicator;
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64 extern uint8_t alarmflag;
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65 extern uint8_t cpsp;
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66 volatile uint8_t wdcounter=1;
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69 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
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70 ISR(WATCHDOG_vect) {
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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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83 volatile uint8_t bytes[8];
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94 volatile pack1_t pack1;
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99 #if defined(__AVR_ATtiny25__)
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100 volatile uint8_t bytes[16];
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102 volatile uint8_t bytes[64];
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105 uint8_t status; //1
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107 uint16_t voltage; //4
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108 int16_t current; //6
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109 uint8_t threshold; //8
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111 uint8_t page1[8]; //9
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113 uint8_t page2[8]; //17
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115 uint8_t page3[8]; //25
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125 uint8_t page4[8]; //33
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129 uint16_t r_day_max;
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130 uint16_t r_week_max;
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134 uint8_t page5[8]; //41
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136 uint8_t codeVOC; // immer 0x37 nach Neustart
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137 uint8_t days_of_r0; //Anzahl der Tage fuer die r0 ermittelt wird
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138 int8_t corr_VOC_mult; //r0 corr
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139 int8_t corr_VOC_div;
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141 uint8_t time_corr; //Wiregate;
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142 uint8_t reset_code;
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144 uint16_t page5d[4];
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146 uint8_t page6[8]; //49
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147 uint8_t page7[8]; //57
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151 volatile pack2_t pack2;
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156 volatile int16_t am2302_temp;
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157 volatile uint16_t am2302_hum;
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160 uint8_t userRegister[1];
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162 double temperatureC,humidityRH,hhum;
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166 #define CH0_M MAX1164x_C_SCAN0|MAX1164x_C_SGL
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167 #define CH1_M MAX1164x_C_SCAN0|MAX1164x_C_SGL|MAX1164x_C_CS0
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168 #define CH0_CH1 MAX1164x_C_SCAN0
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171 uint16_t weekmaxarr[33];
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173 //Kompensieren der Abhänigkeit von RS/RO von Temperatur und Luftfeuchte
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174 inline double interp(double t, double h) {
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179 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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184 uint8_t startup=10;
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190 DDRB&=~(1<<PORTB0); //Eingang
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191 __asm__ __volatile__ ("nop");
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192 PORTB|=(1<<PORTB0); //Pullup
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193 __asm__ __volatile__ ("nop");
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194 __asm__ __volatile__ ("nop");
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195 __asm__ __volatile__ ("nop");
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196 __asm__ __volatile__ ("nop");
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197 __asm__ __volatile__ ("nop");
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198 r=PINB&(1<<PORTB0);
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199 __asm__ __volatile__ ("nop");
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200 PORTB&=~(1<<PORTB0);
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201 __asm__ __volatile__ ("nop");
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202 DDRB|=(1<<PORTB0); //Eingang
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203 return (r==0); //Offen mal HIH4030
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208 #define EEPROM_R0 0
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209 #define EEPROM_R0d 2
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210 #define EEPROM_R0w 4
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211 #define EEPROM_dol 6
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213 #define EEPROM_CODE_DAYOFR0 8
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214 #define EEPROM_CORR 10
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215 #define EEPROM_FREE 12
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216 #define EEPROM_TCORR_RESET 14
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220 uint16_t readEEPROM(uint8_t addr,uint16_t def) {
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222 while(EECR & (1<<EEPE));
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228 while(EECR & (1<<EEPE));
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237 void writeEEPROM(uint8_t addr,uint16_t val) {
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238 while(EECR & (1<<EEPE));
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239 EECR = (0<<EEPM1)|(0<<EEPM0);
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242 EECR |= (1<<EEMPE);
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244 while(EECR & (1<<EEPE));
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245 EECR = (0<<EEPM1)|(0<<EEPM0);
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248 EECR |= (1<<EEMPE);
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253 PRR|=(1<<PRADC); // adc for save Power
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255 PORTB=0xFF-(1<<PORTB0); //Schalter kann gegen Masse sein und zieht dann immer Strom
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256 DDRB|=(1<<PORTB0); //Als Ausgang und 0
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258 DDRB|=(1<<PINB1);//Ausgang und 1
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261 WDTCSR |= ((1<<WDCE) ); // Enable the WD Change Bit//| (1<<WDE)
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262 WDTCSR |= (1<<WDIE) | // Enable WDT Interrupt
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263 //(1<<WDP0) |(1<<WDP2) | (1<<WDP1); // Set Timeout to ~2 seconds
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264 (1<<WDP3) | (1<<WDP0); // Set Timeout to ~8 seconds
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277 pack2.R0=readEEPROM(EEPROM_R0,1);
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280 pack2.r_day_max=readEEPROM(EEPROM_R0d,1);
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281 pack2.r_week_max=readEEPROM(EEPROM_R0w,1);
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282 pack2.tol_d=readEEPROM(EEPROM_dol,0);
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283 pack2.tol_s8=0; //Tag faengt mit Einschalten an
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284 for(uint8_t i=0;i<32;i++) {
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285 weekmaxarr[i]=pack2.r_week_max;
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288 pack2.page5d[0]=readEEPROM(EEPROM_CODE_DAYOFR0,0x0437);
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289 pack2.page5d[1]=readEEPROM(EEPROM_CORR,0x0101);
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290 pack2.page5d[2]=readEEPROM(EEPROM_FREE,0x0);
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291 pack2.page5d[3]=readEEPROM( EEPROM_TCORR_RESET,0x0005);
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293 config_info2[5]=12;
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299 USI_TWI_Master_Initialise();
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303 MAX1164x_config(MAX1164x_S_SEL2|MAX1164x_S_SEL0,CH0_M);//#define MAX1164x_C_CS0
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304 _delay_ms(30); //Internal Referenz start
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308 //DDRB|=(1<<PINB1);
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310 if ((cpsp&0x80)!=0) {
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311 if ((cpsp&0x0F)==5) {
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312 if (pack2.reset_code==0x01) {
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316 writeEEPROM(EEPROM_R0,0);
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317 } else if (pack2.reset_code==0x05) {
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320 pack2.r_week_max=1;
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322 pack2.tol_s8=0; //Tag faengt mit Einschalten an
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324 writeEEPROM(EEPROM_R0,0xFF);
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325 writeEEPROM(EEPROM_R0d,0xFF); //Maximum des Tages
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326 writeEEPROM(EEPROM_R0w,0xFF); //Maximum der Letzten 7 Tage
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327 writeEEPROM(EEPROM_dol,0xFF); //Anzahl der Betriebstage
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328 for(uint8_t i=0;i<pack2.days_of_r0;i++) {
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333 writeEEPROM(EEPROM_CODE_DAYOFR0,0x0037|(pack2.days_of_r0<<8));
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334 writeEEPROM(EEPROM_CORR,pack2.page5d[1]);
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335 writeEEPROM(EEPROM_FREE,pack2.page5d[2]);
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336 writeEEPROM(EEPROM_TCORR_RESET,pack2.time_corr);
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341 /*if (pack1.config==0x1F) { //Reset R0
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345 writeEEPROM(EEPROM_R0,0);
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347 if (pack1.config==0x05) { //Reset all Data
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349 if (wdcounter>0) { //8s
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351 if (pack2.tol_s8>(10000)) {//10800 ist theortisch der Tag aber meistens zu lang
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353 pack2.tol_d++; //rund 180 Jahre :-)
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354 pack2.r_week_max=0;
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355 weekmaxarr[pack2.days_of_r0]=pack2.r_day_max;
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356 for(uint8_t i=0;i<pack2.days_of_r0;i++) {
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357 weekmaxarr[i]=weekmaxarr[i+1];
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359 if (weekmaxarr[i]>pack2.r_week_max) pack2.r_week_max=weekmaxarr[i];
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361 if (pack2.tol_d>pack2.days_of_r0) {
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362 pack2.R0=pack2.r_week_max;
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364 pack2.R0=pack2.r_day_max;
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366 //R0=//R0-0.5*(pack2.R0/100-R0);
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369 writeEEPROM(EEPROM_R0,pack2.R0);
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370 writeEEPROM(EEPROM_R0d,pack2.r_day_max); //Maximum des Tages
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371 writeEEPROM(EEPROM_R0w,pack2.r_week_max); //Maximum der Letzten 7 Tage
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372 writeEEPROM(EEPROM_dol,pack2.tol_d); //Anzahl der Betriebstage
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375 if (startup!=0) startup--;
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376 getSHT2xHumTemp(&temperatureC,&humidityRH);
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377 ip=interp(temperatureC,humidityRH);
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379 double RH=calibr_hum(temperatureC,-0.2,humidityRH)*10.0;
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380 double TC =temperatureC *10.0-2;
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385 am2302_temp=TC*25.6;
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386 config_info2[5]=12; //10V = 100%
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388 hhum=(1.0546-0.000216*TC)*(RH);
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389 //am2302_hum=0.318*hhum +76.0;
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390 am2302_hum=0.31*hhum +80;
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391 am2302_temp=TC*25.6;
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395 //Kritische Sektion !___Ein Breakpoint in dieser Section kann den TGS8100 zerstoeren!___________________________
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396 PORTB&=~(1<<PINB1); //Auf 0 Ziehen
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398 mr+=MAX1164x_read();
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400 mr+=MAX1164x_read();
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402 //ENDE Kritische Sektion !______________________________
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403 //l=mr/2.0*2.048/4096;
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404 // l maximal 2 mr max 4096 //mr 2V=8000
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406 if (pack2.cmode) { //cmode=0 V 0..2 V cmode=1 V 1.5..3.5V
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407 //l+=1.5; //Spannung real
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412 if (pack2.cmode==0) {
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413 MAX1164x_config(MAX1164x_S_SEL2|MAX1164x_S_SEL0,CH0_CH1);
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419 if (pack2.cmode==1) {
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420 MAX1164x_config(MAX1164x_S_SEL2|MAX1164x_S_SEL0,CH0_M);
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429 pack2.current=l*100;
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437 writeEEPROM(EEPROM_R0,pack2.R0);
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440 if (l*100>pack2.r_day_max) {
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441 pack2.r_day_max=l*100;
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443 } else if (l<R0) l=R0; //negative Werte am Anfang verhintern
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444 //l=exp((1-(l/R0))*6.05)-1;// exp((1-($val)/55)*5.75); (5.75 geht über 125 6.05 geht bis 240... mittlere Linie im Datenblatt)
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445 //l=l*(double)pack2.corr_VOC_mult/(double)pack2.corr_VOC_div;
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446 //l=pow(R0/l,1.8)*3-3;
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450 l=l*(double)pack2.corr_VOC_mult/(double)pack2.corr_VOC_div;
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451 l=l*8.0; //fuer DS18B20*/
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459 if ((gcontrol&1)==1) {
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463 if (t8>pack1.TH) af=1;
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464 if (t8<=pack1.TL) af=1;
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472 if ((gcontrol==2)||(gcontrol==3)) {
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478 #if defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
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479 if (((TIMSK & (1<<TOIE0))==0)&& (mode==0))
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481 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) ||defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
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482 if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))
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486 MCUCR|=(1<<SE)|(1<<SM1);
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487 MCUCR&=~(1<<ISC01);
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