DS18B20_SHT2X_DS18B20_SHT2X/DS18B20_DS18B20.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/USI_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, 0x26, 0x05, 0x35};/**/\r
  50 uint8_t owid2[8]={0x28, 0xA4, 0xD9, 0x84, 0x00, 0x26, 0x05, 0xB0};/**/\r
  51 \r
  52 uint8_t config_info1[26]={0x01,0x01, 0x00,0x00, 0x00,0x00, 0x00,0x00, 0x02,7,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};\r
  53 uint8_t config_info2[26]={0x04,0x01, 0x00,0x00, 0x00,0x00, 0x00,0x00, 0x02,7,0x00,0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};\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,pack2;\r
  72 \r
  73 \r
  74 \r
  75 \r
  76 \r
  77 \r
  78 \r
  79 \r
  80 \r
  81 OWST_TESTSW\r
  82 \r
  83 \r
  84 uint8_t userRegister[1];\r
  85 int16_t sRH,sT;\r
  86 double temperatureC,humidityRH;\r
  87 volatile double l;\r
  88         uint32_t P;\r
  89         int32_t t;\r
  90 \r
  91 int main(void){\r
  92          OWST_INIT_USI_ON\r
  93    \r
  94         pack1.temp=0x0550;\r
  95         pack1.config=0x7F;\r
  96         pack1.TH=75;\r
  97         pack1.TL=70;\r
  98         pack1.rrFF=0xFF;\r
  99         pack1.rr00=0;\r
 100         pack1.rr10=0x10;\r
 101         PORTA=0xFF;\r
 102         PORTB=0xFF;\r
 103         OWINIT();\r
 104         OWST_EN_PULLUP\r
 105 \r
 106         OWST_WDR_CONFIG8\r
 107         \r
 108         if (testSW()) {\r
 109                 config_info2[5]=12;\r
 110                 }else{\r
 111                 config_info2[5]=7;\r
 112         }\r
 113 \r
 114         MCUSR=0;\r
 115         USI_TWI_Master_Initialise();\r
 116         \r
 117         initSHT2x();\r
 118         _delay_ms(10);\r
 119         gcontrol=1;\r
 120         sei();\r
 121     while(1)   {\r
 122                  \r
 123                 if (gcontrol) {\r
 124                         wdcounter=3;\r
 125                         \r
 126                 }\r
 127 \r
 128                 if (wdcounter>2) {\r
 129                                 getSHT2xHumTemp(&temperatureC,&humidityRH);\r
 130                                 double RH=calibr_hum(temperatureC,-0.2,humidityRH)*16.0;\r
 131                                 double TC =(temperatureC+0.2) *16.0;\r
 132                                 uint16_t w1=TC;\r
 133                                 uint8_t t81=w1>>4;\r
 134                                 uint8_t af1=0;\r
 135                                 if (t81>pack1.TH) af1=1;\r
 136                                 if (t81<=pack1.TL) af1=1;\r
 137 \r
 138                                 cli();\r
 139                                 pack1.temp=w1;\r
 140                                 //pack.temp++;\r
 141                                 alarmflag=af1;\r
 142                                 sei();\r
 143 \r
 144 \r
 145                                 uint16_t w2=RH;\r
 146                 \r
 147                                 cli();\r
 148                                 pack2.temp=w2;\r
 149                                 sei();\r
 150                                 //pack.temp++;\r
 151                                 gcontrol=0;\r
 152 \r
 153                                 \r
 154 \r
 155                         wdcounter=0;\r
 156                 }\r
 157         \r
 158                 if (gcontrol) {\r
 159                         gcontrol=0;\r
 160                         EXTERN_SLEEP();\r
 161                         \r
 162                 }\r
 163 \r
 164                 OWST_MAIN_END   \r
 165    }\r
 166 \r
 167 \r
 168 }