DS18B20_BMP280_DS2438_SHT/DS18B20_DS2438.c

   1 // Copyright (c) 2015, Tobias Mueller tm(at)tm3d.de\r
   2 // All rights reserved.\r
   3 //\r
   4 // Redistribution and use in source and binary forms, with or without\r
   5 // modification, are permitted provided that the following conditions are\r
   6 // met:\r
   7 //\r
   8 //  * Redistributions of source code must retain the above copyright\r
   9 //    notice, this list of conditions and the following disclaimer.\r
  10 //  * Redistributions in binary form must reproduce the above copyright\r
  11 //    notice, this list of conditions and the following disclaimer in the\r
  12 //    documentation and/or other materials provided with the\r
  13 //    distribution.\r
  14 //  * All advertising materials mentioning features or use of this\r
  15 //    software must display the following acknowledgement: This product\r
  16 //    includes software developed by tm3d.de and its contributors.\r
  17 //  * Neither the name of tm3d.de nor the names of its contributors may\r
  18 //    be used to endorse or promote products derived from this software\r
  19 //    without specific prior written permission.\r
  20 //\r
  21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\r
  22 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\r
  23 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\r
  24 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\r
  25 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\r
  26 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\r
  27 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r
  28 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\r
  29 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r
  30 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\r
  31 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
  32 \r
  33 #define F_CPU 8000000UL\r
  34 #include <avr/io.h>\r
  35 #include <avr/interrupt.h>\r
  36 #include <util/delay.h>\r
  37 #include <avr/wdt.h>\r
  38 #include <avr/sleep.h>\r
  39 #include <avr/pgmspace.h>\r
  40 #include "../common/I2C/USI_TWI_Master.h"\r
  41 #include "../common/I2C/SHT2x.h"\r
  42 #include "../common/I2C/BMP280.h"\r
  43 #include "../common/calibr.h"\r
  44 \r
  45 extern void OWINIT();\r
  46 extern void EXTERN_SLEEP();\r
  47 \r
  48 \r
  49 uint8_t owid1[8]={0x28, 0xA3, 0xD9, 0x84, 0x00, 0x16, 0x05, 0x18};/**/\r
  50 uint8_t owid2[8]={0x26, 0xA3, 0xD9, 0x84, 0x00, 0x16, 0x05, 0x67};/**/\r
  51 uint8_t config_info1[16]={0x02,0x03, 0x00,0x00, 0x00,0x00, 0x00,0x00, 0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; \r
  52 uint8_t config_info2[16]={0x01,0x06, 0x05,0x08, 0x04,0x07, 0x00,0x00, 0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; \r
  53         \r
  54 #if (owid>128) \r
  55 #error "Variable not correct"\r
  56 #endif\r
  57 \r
  58 extern uint8_t mode;\r
  59 extern uint8_t gcontrol;\r
  60 extern uint8_t reset_indicator;\r
  61 extern uint8_t alarmflag;\r
  62 volatile uint8_t wdcounter=3;\r
  63 \r
  64 \r
  65 #if  defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__)  || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__)  || defined(__AVR_ATtiny84A__)\r
  66 ISR(WATCHDOG_vect) {\r
  67         #else\r
  68         ISR(WDT_vect) {\r
  69         \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 \r
  86 typedef union {\r
  87         volatile uint8_t bytes[8];\r
  88         struct {\r
  89                 uint16_t temp;  //0\r
  90                 uint8_t TH;  //2\r
  91                 uint8_t TL;  //3\r
  92                 uint8_t config;  //4\r
  93                 uint8_t rrFF; //5\r
  94                 uint8_t rr00; //6\r
  95                 uint8_t rr10; //7\r
  96         };\r
  97 } pack1_t;\r
  98 volatile pack1_t pack1;\r
  99 \r
 100 \r
 101 \r
 102 typedef union {\r
 103         #if  defined(__AVR_ATtiny25__)\r
 104         volatile uint8_t bytes[16];\r
 105         #else\r
 106         volatile uint8_t bytes[64];\r
 107         #endif\r
 108         struct {\r
 109                 uint8_t status;  //1\r
 110                 int16_t temp;  //2\r
 111                 uint16_t voltage;  //4\r
 112                 uint16_t current;  //6\r
 113                 uint8_t threshold; //8\r
 114                 \r
 115                 uint8_t page1[8]; //9\r
 116                 #if  defined(__AVR_ATtiny25__)\r
 117                 #else\r
 118                 uint8_t page2[8]; //17\r
 119                 uint8_t page3[8]; //25\r
 120                 uint8_t page4[8];  //33\r
 121                 uint8_t page5[8];  //41\r
 122                 uint8_t page6[8];  //49\r
 123                 uint8_t page7[8];  //57\r
 124                 //uint8_t crc;  //65\r
 125                 #endif\r
 126         };\r
 127 } pack2_t;\r
 128 volatile pack2_t pack2;\r
 129 \r
 130 \r
 131 \r
 132 \r
 133 volatile int16_t am2302_temp;\r
 134 volatile uint16_t am2302_hum;\r
 135 \r
 136 \r
 137 int testSW(void) {\r
 138         uint8_t r;\r
 139         DDRB&=~(1<<PORTB0);  //Eingang\r
 140         __asm__ __volatile__ ("nop");\r
 141         PORTB|=(1<<PORTB0); //Pullup\r
 142         __asm__ __volatile__ ("nop");\r
 143         __asm__ __volatile__ ("nop");\r
 144         __asm__ __volatile__ ("nop");\r
 145         __asm__ __volatile__ ("nop");\r
 146         __asm__ __volatile__ ("nop");\r
 147         r=PINB&(1<<PORTB0);\r
 148         __asm__ __volatile__ ("nop");\r
 149         PORTB&=~(1<<PORTB0);\r
 150         __asm__ __volatile__ ("nop");\r
 151         DDRB|=(1<<PORTB0);  //Eingang\r
 152         return (r==0);\r
 153         \r
 154         \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         uint32_t P;\r
 162         int32_t t;\r
 163 \r
 164 int main(void){\r
 165     PRR|=(1<<PRADC);  // adc for save Power\r
 166         PORTA=0xFF;\r
 167         PORTB=0xFF-(1<<PORTB0); //Schalter kann gegen Masse sein und zieht dann immer Strom\r
 168         DDRB|=(1<<PORTB0); //Als Ausgang und 0\r
 169         \r
 170         pack1.temp=0x0550;\r
 171         pack1.config=0x7F;\r
 172         pack1.TH=75;\r
 173         pack1.TL=70;\r
 174         pack1.rrFF=0xFF;\r
 175         pack1.rr00=0;\r
 176         pack1.rr10=0x10;\r
 177         PORTA=0xFF;\r
 178         PORTB=0xFF;\r
 179         OWINIT();\r
 180 \r
 181         ACSR|=(1<<ACD);  //Disable Comparator\r
 182         ADCSRB|=(1<<ACME); //Disable Analog multiplexer\r
 183         MCUCR &=~(1<<PUD); //All Pins Pullup...\r
 184         //MCUCR &=~(1<<BODS);\r
 185 \r
 186         \r
 187         WDTCSR |= ((1<<WDCE) );   // Enable the WD Change Bit//| (1<<WDE)\r
 188         WDTCSR |=   (1<<WDIE) |              // Enable WDT Interrupt\r
 189         (1<<WDP3) | (1<<WDP0);   // Set Timeout to ~8 seconds\r
 190         if (testSW()) {\r
 191                 config_info2[5]=8;\r
 192                 }else{\r
 193                 config_info2[5]=7;\r
 194         }\r
 195         \r
 196 \r
 197         MCUSR=0;\r
 198         USI_TWI_Master_Initialise();\r
 199         \r
 200         SHT2x_SoftReset();\r
 201         SHT2x_ReadUserRegister(userRegister);\r
 202         //(userRegister & ~SHT2x_RES_MASK) | SHT2x_RES_10_13BIT;\r
 203         SHT2x_WriteUserRegister(userRegister); //write changed user reg\r
 204         // --- measure humidity with "Hold Master Mode (HM)" ---\r
 205         //SHT2x_MeasurePoll(HUMIDITY, &sRH);\r
 206         // --- measure temperature with "Polling Mode" (no hold master) ---\r
 207         //SHT2x_MeasurePoll(TEMP, &sT);\r
 208         //-- calculate humidity and temperature --\r
 209         //temperatureC = SHT2x_CalcTemperatureC(sT);\r
 210         //humidityRH = SHT2x_CalcRH(sRH);\r
 211         bmp280Init();\r
 212         gcontrol=1;\r
 213         sei();\r
 214     while(1)   {\r
 215                 if (gcontrol) {\r
 216                         wdcounter=3;\r
 217                         \r
 218                 }\r
 219 \r
 220                 if (wdcounter>2) {\r
 221                         SHT2x_MeasurePoll(HUMIDITY, &sRH);\r
 222                         // --- measure temperature with "Polling Mode" (no hold master) ---\r
 223                         SHT2x_MeasurePoll(TEMP, &sT);\r
 224                         //-- calculate humidity and temperature --\r
 225                         temperatureC = SHT2x_CalcTemperatureC(sT);\r
 226                         humidityRH = SHT2x_CalcRH(sRH);\r
 227                         humidityRH=calibr_hum(temperatureC,-0.45,humidityRH)*10.0;\r
 228                         temperatureC=temperatureC*10.0-4.5;\r
 229                          if (testSW()) {\r
 230                                  am2302_hum= humidityRH*10.0;\r
 231                                  am2302_temp=temperatureC*25.6;\r
 232                                  //am2302_temp=am2302_temp-20;\r
 233                                  config_info2[5]=8;\r
 234                                  \r
 235                                  }else{\r
 236                                  \r
 237                                  double hhum=(1.0546-0.000216*temperatureC)*(humidityRH);\r
 238                                  //am2302_hum=0.318*hhum +76.0;\r
 239                                  am2302_hum=0.31*hhum +80;\r
 240                                  am2302_temp=temperatureC*25.6;\r
 241                                  //am2302_temp=am2302_temp-20;\r
 242                                  config_info2[5]=7;\r
 243                          }\r
 244                         wdcounter=0;\r
 245                 }\r
 246         \r
 247                 if ((gcontrol&1)==1) {\r
 248                         \r
 249                                 bmp280ConvertInt(&t,&P,1);\r
 250                                 P=P-70000;\r
 251                                 P=P/20;\r
 252                                 uint16_t w=P;\r
 253                                 uint8_t t8=w>>4;\r
 254                                 uint8_t af=0;\r
 255                                 if (t8>pack1.TH) af=1;\r
 256                                 if (t8<=pack1.TL) af=1;\r
 257                                 cli();\r
 258                                 pack1.temp=w;\r
 259                                 //pack.temp++;\r
 260                                 alarmflag=af;\r
 261                                 sei();\r
 262                                 gcontrol=0;\r
 263                                 EXTERN_SLEEP(); \r
 264                 }\r
 265                 if (gcontrol) {\r
 266                         gcontrol=0;\r
 267                         \r
 268                 }\r
 269 \r
 270                 \r
 271 #if  defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__)  || defined(__AVR_ATtiny85__)\r
 272                         if (((TIMSK & (1<<TOIE0))==0)&& (mode==0))\r
 273 #endif                  \r
 274 #if  defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__)  || defined(__AVR_ATtiny84__) ||defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__)  || defined(__AVR_ATtiny84A__)\r
 275                         if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))\r
 276 #endif\r
 277                           {\r
 278 \r
 279                         MCUCR|=(1<<SE)|(1<<SM1);\r
 280                         MCUCR&=~(1<<ISC01);\r
 281                 } else {\r
 282                         MCUCR|=(1<<SE);\r
 283                         MCUCR&=~(1<<SM1);\r
 284                 }\r
 285                 //MCUCR&=~(1<<ISC01);\r
 286                 asm("SLEEP");\r
 287    }\r
 288 \r
 289 \r
 290 }