DS18B20_MAX44009_DS2438_SHT/DS18B20_DS2438.c

   1 \r
   2 // Copyright (c) 2015, Tobias Mueller tm(at)tm3d.de\r
   3 // All rights reserved.\r
   4 //\r
   5 // Redistribution and use in source and binary forms, with or without\r
   6 // modification, are permitted provided that the following conditions are\r
   7 // met:\r
   8 //\r
   9 //  * Redistributions of source code must retain the above copyright\r
  10 //    notice, this list of conditions and the following disclaimer.\r
  11 //  * Redistributions in binary form must reproduce the above copyright\r
  12 //    notice, this list of conditions and the following disclaimer in the\r
  13 //    documentation and/or other materials provided with the\r
  14 //    distribution.\r
  15 //  * All advertising materials mentioning features or use of this\r
  16 //    software must display the following acknowledgement: This product\r
  17 //    includes software developed by tm3d.de and its contributors.\r
  18 //  * Neither the name of tm3d.de nor the names of its contributors may\r
  19 //    be used to endorse or promote products derived from this software\r
  20 //    without specific prior written permission.\r
  21 //\r
  22 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\r
  23 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\r
  24 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\r
  25 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\r
  26 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\r
  27 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\r
  28 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r
  29 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\r
  30 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r
  31 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\r
  32 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
  33 \r
  34 #define F_CPU 8000000UL\r
  35 #include <avr/io.h>\r
  36 #include <avr/interrupt.h>\r
  37 #include <util/delay.h>\r
  38 #include <avr/wdt.h>\r
  39 #include <avr/sleep.h>\r
  40 #include <avr/pgmspace.h>\r
  41 #include "../common/I2C/USI_TWI_Master.h"\r
  42 #include "../common/I2C/MAX44009.h"\r
  43 #include "../common/I2C/SHT2x.h"\r
  44 \r
  45 \r
  46 extern void OWINIT();\r
  47 extern void EXTERN_SLEEP();\r
  48 \r
  49 \r
  50 uint8_t owid1[8]={0x28, 0xA3, 0xD9, 0x84, 0x00, 0x16, 0x05, 0x18};/**/\r
  51 uint8_t owid2[8]={0x26, 0xA3, 0xD9, 0x84, 0x00, 0x16, 0x05, 0x67};/**/\r
  52 uint8_t config_info1[16]={0x03,0x04, 0x00,0x00, 0x00,0x00, 0x00,0x00, 0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; \r
  53 uint8_t config_info2[16]={0x01,0x06, 0x05,0x08, 0x04,0x07, 0x00,0x00, 0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; \r
  54         \r
  55 #if (owid>128) \r
  56 #error "Variable not correct"\r
  57 #endif\r
  58 \r
  59 extern uint8_t mode;\r
  60 extern uint8_t gcontrol;\r
  61 extern uint8_t reset_indicator;\r
  62 extern uint8_t alarmflag;\r
  63 volatile uint8_t wdcounter=5;\r
  64 \r
  65 \r
  66 #if  defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__)  || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__)  || defined(__AVR_ATtiny84A__)\r
  67 ISR(WATCHDOG_vect) {\r
  68 #else\r
  69 ISR(WDT_vect) {\r
  70 #endif \r
  71         //sleep_disable();          // Disable Sleep on Wakeup\r
  72         wdcounter++;\r
  73         if (reset_indicator==1) reset_indicator++;\r
  74         else if (reset_indicator==2) mode=0;\r
  75 /*      if (timeout==2) {\r
  76                 DIS_TIMER;\r
  77                 EN_OWINT;\r
  78                 mode=OWM_SLEEP;\r
  79         }\r
  80         timeout++;*/\r
  81         //sleep_enable();           // Enable Sleep Mode\r
  82 \r
  83 }\r
  84 \r
  85 int testSW(void) {\r
  86         uint8_t r;\r
  87         DDRB&=~(1<<PORTB0);  //Eingang\r
  88         __asm__ __volatile__ ("nop");\r
  89         PORTB|=(1<<PORTB0); //Pullup\r
  90         __asm__ __volatile__ ("nop");\r
  91         __asm__ __volatile__ ("nop");\r
  92         __asm__ __volatile__ ("nop");\r
  93         __asm__ __volatile__ ("nop");\r
  94         __asm__ __volatile__ ("nop");\r
  95         r=PINB&(1<<PORTB0);\r
  96         __asm__ __volatile__ ("nop");\r
  97         PORTB&=~(1<<PORTB0);\r
  98         __asm__ __volatile__ ("nop");\r
  99         DDRB|=(1<<PORTB0);  //Eingang\r
 100         return (r==0);\r
 101         \r
 102         \r
 103 }\r
 104 \r
 105 \r
 106 typedef union {\r
 107         volatile uint8_t bytes[8];\r
 108         struct {\r
 109                 uint16_t temp;  //0\r
 110                 uint8_t TH;  //2\r
 111                 uint8_t TL;  //3\r
 112                 uint8_t config;  //4\r
 113                 uint8_t rrFF; //5\r
 114                 uint8_t rr00; //6\r
 115                 uint8_t rr10; //7\r
 116         };\r
 117 } pack1_t;\r
 118 volatile pack1_t pack1;\r
 119 \r
 120 \r
 121 \r
 122 typedef union {\r
 123         #if  defined(__AVR_ATtiny25__)\r
 124         volatile uint8_t bytes[16];\r
 125         #else\r
 126         volatile uint8_t bytes[64];\r
 127         #endif\r
 128         struct {\r
 129                 uint8_t status;  //1\r
 130                 int16_t temp;  //2\r
 131                 uint16_t voltage;  //4\r
 132                 uint16_t current;  //6\r
 133                 uint8_t threshold; //8\r
 134                 \r
 135                 uint8_t page1[8]; //9\r
 136                 #if  defined(__AVR_ATtiny25__)\r
 137                 #else\r
 138                 uint8_t page2[8]; //17\r
 139                 uint8_t page3[8]; //25\r
 140                 uint8_t page4[8];  //33\r
 141                 uint8_t page5[8];  //41\r
 142                 uint8_t page6[8];  //49\r
 143                 uint8_t page7[8];  //57\r
 144                 //uint8_t crc;  //65\r
 145                 #endif\r
 146         };\r
 147 } pack2_t;\r
 148 volatile pack2_t pack2;\r
 149 \r
 150 \r
 151 \r
 152 \r
 153 volatile int16_t am2302_temp;\r
 154 volatile uint16_t am2302_hum;\r
 155 \r
 156 \r
 157 uint8_t userRegister[1];\r
 158 int16_t sRH,sT;\r
 159 volatile double temperatureC,humidityRH;\r
 160 volatile double l;\r
 161 \r
 162 uint8_t max_adr=0;\r
 163 \r
 164 int main(void){\r
 165     PRR|=(1<<PRADC);  // adc for save Power\r
 166         pack1.temp=0x0550;\r
 167         pack1.config=0x7F;\r
 168         pack1.TH=75;\r
 169         pack1.TL=70;\r
 170         pack1.rrFF=0xFF;\r
 171         pack1.rr00=0;\r
 172         pack1.rr10=0x10;\r
 173         PORTA=0xFF;\r
 174         PORTB=0xFF;\r
 175         OWINIT();\r
 176 \r
 177         MCUCR &=~(1<<PUD); //All Pins Pullup...\r
 178         MCUCR |=(1<<BODS);\r
 179 \r
 180         WDTCSR |= ((1<<WDCE) );   // Enable the WD Change Bit//| (1<<WDE)\r
 181         WDTCSR |=   (1<<WDIE) |              // Enable WDT Interrupt\r
 182         (1<<WDP3) | (1<<WDP0);   // Set Timeout to ~8 seconds\r
 183         if (testSW()) {\r
 184                 config_info2[5]=8;\r
 185                 }else{\r
 186                 config_info2[5]=7;\r
 187         }\r
 188         MCUSR=0;\r
 189         USI_TWI_Master_Initialise();\r
 190         if (checkMAX44009(0)) max_adr=0; else max_adr=1 ;\r
 191         SHT2x_SoftReset();\r
 192         SHT2x_ReadUserRegister(userRegister);\r
 193         //(userRegister & ~SHT2x_RES_MASK) | SHT2x_RES_10_13BIT;\r
 194         SHT2x_WriteUserRegister(userRegister); //write changed user reg\r
 195         // --- measure humidity with "Hold Master Mode (HM)" ---\r
 196         SHT2x_MeasurePoll(HUMIDITY, &sRH);\r
 197         // --- measure temperature with "Polling Mode" (no hold master) ---\r
 198         SHT2x_MeasurePoll(TEMP, &sT);\r
 199         //-- calculate humidity and temperature --\r
 200         //temperatureC = SHT2x_CalcTemperatureC(sT);\r
 201         //humidityRH = SHT2x_CalcRH(sRH);\r
 202         \r
 203         gcontrol=1;\r
 204         sei();\r
 205         //DDRB|=(1<<PINB1);\r
 206     while(1)   {\r
 207                 if ((gcontrol==2)||(gcontrol==3)) {\r
 208                         wdcounter=3;\r
 209                         gcontrol=0;\r
 210                         \r
 211                 }\r
 212                 \r
 213                 if (wdcounter>2) {\r
 214                         //PORTB|=(1<<PINB1); //Dauer 440ms\r
 215                         SHT2x_MeasurePoll(HUMIDITY, &sRH);\r
 216                         // --- measure temperature with "Polling Mode" (no hold master) ---\r
 217                         SHT2x_MeasurePoll(TEMP, &sT);\r
 218                         //-- calculate humidity and temperature --\r
 219                         temperatureC = SHT2x_CalcTemperatureC(sT)*10.0-2;\r
 220                         humidityRH = SHT2x_CalcRH(sRH)*10.0+5;\r
 221                         if (humidityRH>1000) humidityRH=1000;\r
 222                         if (testSW()) {\r
 223                                 am2302_hum= humidityRH*10.0;\r
 224                                 am2302_temp=temperatureC*25.6;\r
 225                                 //\r
 226                                 config_info2[5]=8;\r
 227                                 \r
 228                         }else{\r
 229                                 \r
 230                                 double hhum=(1.0546-0.000216*temperatureC)*(humidityRH);\r
 231                                 //am2302_hum=0.318*hhum +76.0;\r
 232                                 am2302_hum=0.31*hhum +80;\r
 233                                 am2302_temp=temperatureC*25.6;\r
 234                                 //am2302_temp=am2302_temp-45;\r
 235                                 config_info2[5]=7;\r
 236                         }\r
 237                         wdcounter=0;\r
 238                 }\r
 239         \r
 240                 if (gcontrol==1) {\r
 241                         gcontrol=0;\r
 242                         l=MAX44009getlux(max_adr);              \r
 243                         if (l<0.030) l=0.030; //Darf nicht 0 sein. minimum -35°C Sensor minimum 0.045\r
 244                         //double l=1000;\r
 245                         l=log(l)*10*16;\r
 246                         uint16_t w=l;\r
 247                         uint8_t t8=w>>4;\r
 248                         uint8_t af=0;\r
 249                         if (t8>pack1.TH) af=1;\r
 250                         if (t8<=pack1.TL) af=1; \r
 251                         cli();\r
 252                         pack1.temp=w;\r
 253                         //pack.temp++;\r
 254                         alarmflag=af;\r
 255                         sei();                  \r
 256                         EXTERN_SLEEP();         \r
 257                 }\r
 258                 \r
 259 \r
 260                 \r
 261 #if  defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__)  || defined(__AVR_ATtiny85__)\r
 262                         if (((TIMSK & (1<<TOIE0))==0)&& (mode==0))\r
 263 #endif                  \r
 264 #if  defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__)  || defined(__AVR_ATtiny84__) ||defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__)  || defined(__AVR_ATtiny84A__)\r
 265                         if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))\r
 266 #endif\r
 267                           {\r
 268 \r
 269                         MCUCR|=(1<<SE)|(1<<SM1);\r
 270                         MCUCR&=~(1<<ISC01);\r
 271                 } else {\r
 272                         MCUCR|=(1<<SE);\r
 273                         MCUCR&=~(1<<SM1);\r
 274                 }\r
 275                 asm("SLEEP");\r
 276    }\r
 277 \r
 278 \r
 279 }