DS18B20_BMP280_DS2438_SHT/DS18B20_DS2438.c

   1 // Copyright (c) 2017, 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/TWI_Master.h"\r
  41 #include "../common/I2C/SHT2xV2.h"\r
  42 #include "../common/I2C/BMP280.h"\r
  43 #include "../common/calibr.h"\r
  44 #include "../common/owSlave_tools.h"\r
  45 \r
  46 OWST_EXTERN_VARS\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 \r
  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};\r
  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};\r
  54 \r
  55         \r
  56 \r
  57 OWST_WDT_ISR\r
  58 \r
  59 typedef union {\r
  60         volatile uint8_t bytes[8];\r
  61         struct {\r
  62                 uint16_t temp;  //0\r
  63                 uint8_t TH;  //2\r
  64                 uint8_t TL;  //3\r
  65                 uint8_t config;  //4\r
  66                 uint8_t rrFF; //5\r
  67                 uint8_t rr00; //6\r
  68                 uint8_t rr10; //7\r
  69         };\r
  70 } pack1_t;\r
  71 volatile pack1_t pack1;\r
  72 \r
  73 \r
  74 \r
  75 typedef union {\r
  76         #if  defined(__AVR_ATtiny25__)\r
  77         volatile uint8_t bytes[16];\r
  78         #else\r
  79         volatile uint8_t bytes[64];\r
  80         #endif\r
  81         struct {\r
  82                 uint8_t status;  //1\r
  83                 int16_t temp;  //2\r
  84                 uint16_t voltage;  //4\r
  85                 uint16_t current;  //6\r
  86                 uint8_t threshold; //8\r
  87                 \r
  88                 uint8_t page1[8]; //9\r
  89                 #if  defined(__AVR_ATtiny25__)\r
  90                 #else\r
  91                 uint8_t page2[8]; //17\r
  92                 uint8_t page3[8]; //25\r
  93                 uint8_t page4[8];  //33\r
  94                 uint8_t page5[8];  //41\r
  95                 uint8_t page6[8];  //49\r
  96                 uint8_t page7[8];  //57\r
  97                 //uint8_t crc;  //65\r
  98                 #endif\r
  99         };\r
 100 } pack2_t;\r
 101 volatile pack2_t pack2;\r
 102 \r
 103 \r
 104 \r
 105 \r
 106 volatile int16_t DS2438_2_TEMP;\r
 107 volatile uint16_t DS2438_2_VAD;\r
 108 volatile uint16_t DS2438_2_VDD=0x01F4;\r
 109 \r
 110 OWST_TESTSW\r
 111 \r
 112 \r
 113 uint8_t userRegister[1];\r
 114 int16_t sRH,sT;\r
 115 double temperatureC,humidityRH;\r
 116 volatile double l;\r
 117         uint32_t P;\r
 118         int32_t t;\r
 119 \r
 120 int main(void){\r
 121          OWST_INIT_USI_ON\r
 122    \r
 123         pack1.temp=0x0550;\r
 124         pack1.config=0x7F;\r
 125         pack1.TH=75;\r
 126         pack1.TL=70;\r
 127         pack1.rrFF=0xFF;\r
 128         pack1.rr00=0;\r
 129         pack1.rr10=0x10;\r
 130         PORTA=0xFF;\r
 131         PORTB=0xFF;\r
 132         OWINIT();\r
 133         OWST_EN_PULLUP\r
 134 \r
 135         OWST_WDR_CONFIG8\r
 136         \r
 137         if (testSW()) {\r
 138                 config_info2[5]=12;\r
 139                 }else{\r
 140                 config_info2[5]=7;\r
 141         }\r
 142         pack2.page3[0]=0xF1;\r
 143 \r
 144         MCUSR=0;\r
 145         TWI_Master_Initialise();\r
 146         \r
 147         initSHT2x();\r
 148         _delay_ms(10);\r
 149         bmp280Init();\r
 150         gcontrol=1;\r
 151         sei();\r
 152     while(1)   {\r
 153                  \r
 154                 if (gcontrol) {\r
 155                         wdcounter=2;\r
 156                         \r
 157                 }\r
 158 \r
 159                 if (wdcounter>2) {\r
 160                                 getSHT2xHumTemp(&temperatureC,&humidityRH);\r
 161                                 double RH=calibr_hum(temperatureC,-0.2,humidityRH)*10.0;\r
 162                                 double TC =temperatureC *10.0-2;\r
 163 \r
 164                          if (testSW()) {\r
 165                                         DS2438_2_VAD=RH;\r
 166                                         DS2438_2_TEMP=(double)TC*25.6;\r
 167                                  //am2302_temp=am2302_temp-20;\r
 168                                  config_info2[5]=12;\r
 169                                  DS2438_2_VDD=0x01F4;\r
 170                                  \r
 171                                  }else{\r
 172                                  \r
 173                                  double hhum=(1.0546-0.000216*TC)*(RH);\r
 174                                  //am2302_hum=0.318*hhum +76.0;\r
 175                                  DS2438_2_VAD=0.31*hhum +80;\r
 176                                  DS2438_2_TEMP=TC*25.6;\r
 177                                  //am2302_temp=am2302_temp-20;\r
 178                                  config_info2[5]=7;\r
 179                                  DS2438_2_VDD=0x01F4;\r
 180                          }\r
 181                         wdcounter=0;\r
 182                 }\r
 183         \r
 184                 if ((gcontrol&1)==1) {\r
 185                         \r
 186                                 bmp280ConvertInt(&t,&P,1);\r
 187                                 P=P-70000;\r
 188                                 P=P/20;\r
 189                                 uint16_t w=P;\r
 190                                 uint8_t t8=w>>4;\r
 191                                 uint8_t af=0;\r
 192                                 if (t8>pack1.TH) af=1;\r
 193                                 if (t8<=pack1.TL) af=1;\r
 194                                 cli();\r
 195                                 pack1.temp=w;\r
 196                                 //pack.temp++;\r
 197                                 alarmflag=af;\r
 198                                 sei();\r
 199                                 gcontrol=0;\r
 200                                 EXTERN_SLEEP(); \r
 201                 }\r
 202                 if (gcontrol) {\r
 203                         gcontrol=0;\r
 204                         \r
 205                 }\r
 206 \r
 207                 OWST_MAIN_END   \r
 208    }\r
 209 \r
 210 \r
 211 }