DS18B20_MAX44009_DS2438_SHT/DS18B20_DS2438.c

   1 \r
   2 // Copyright (c) 2017, 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/SHT2xV2.h"\r
  44 #include "../common/calibr.h"\r
  45 #include "../common/owSlave_tools.h"\r
  46 \r
  47 \r
  48 OWST_EXTERN_VARS\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[26]={0x03,0x04, 0x00,0x00, 0x00,0x00, 0x00,0x00, 0x02,15,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};\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 OWST_WDT_ISR\r
  56         \r
  57 OWST_TESTSW\r
  58 \r
  59 \r
  60 typedef union {\r
  61         volatile uint8_t bytes[8];\r
  62         struct {\r
  63                 uint16_t temp;  //0\r
  64                 uint8_t TH;  //2\r
  65                 uint8_t TL;  //3\r
  66                 uint8_t config;  //4\r
  67                 uint8_t rrFF; //5\r
  68                 uint8_t rr00; //6\r
  69                 uint8_t rr10; //7\r
  70         };\r
  71 } pack1_t;\r
  72 volatile pack1_t pack1;\r
  73 \r
  74 \r
  75 \r
  76 typedef union {\r
  77         #if  defined(__AVR_ATtiny25__)\r
  78         volatile uint8_t bytes[16];\r
  79         #else\r
  80         volatile uint8_t bytes[64];\r
  81         #endif\r
  82         struct {\r
  83                 uint8_t status;  //1\r
  84                 int16_t temp;  //2\r
  85                 uint16_t voltage;  //4\r
  86                 uint16_t current;  //6\r
  87                 uint8_t threshold; //8\r
  88                 \r
  89                 uint8_t page1[8]; //9\r
  90                 #if  defined(__AVR_ATtiny25__)\r
  91                 #else\r
  92                 uint8_t page2[8]; //17\r
  93                 uint8_t page3[8]; //25\r
  94                 uint8_t page4[8];  //33\r
  95                 uint8_t page5[8];  //41\r
  96                 uint8_t page6[8];  //49\r
  97                 uint8_t page7[8];  //57\r
  98                 //uint8_t crc;  //65\r
  99                 #endif\r
 100         };\r
 101 } pack2_t;\r
 102 volatile pack2_t pack2;\r
 103 \r
 104 \r
 105 volatile int16_t DS2438_2_TEMP;\r
 106 volatile uint16_t DS2438_2_VAD;\r
 107 volatile uint16_t DS2438_2_VDD=0x01F4;\r
 108 \r
 109 double temperatureC,humidityRH;\r
 110 double l;\r
 111 \r
 112 uint8_t max_adr=0;\r
 113 \r
 114 int main(void){\r
 115     OWST_INIT_USI_ON\r
 116         pack1.temp=0x0550;\r
 117         pack1.config=0x7F;\r
 118         pack1.TH=75;\r
 119         pack1.TL=70;\r
 120         pack1.rrFF=0xFF;\r
 121         pack1.rr00=0;\r
 122         pack1.rr10=0x10;\r
 123         OWINIT();\r
 124         OWST_EN_PULLUP\r
 125         OWST_WDR_CONFIG8\r
 126         if (testSW()) {\r
 127                 config_info2[5]=12;\r
 128                 }else{\r
 129                 config_info2[5]=7;\r
 130         }\r
 131         sei();\r
 132         USI_TWI_Master_Initialise();\r
 133         if (checkMAX44009(0)) max_adr=0; else max_adr=1 ;\r
 134         _delay_ms(10);\r
 135         \r
 136         initSHT2x();\r
 137         gcontrol=1;\r
 138         sei();\r
 139     while(1)   {\r
 140                 if ((gcontrol&2)==2){\r
 141                         wdcounter=3;\r
 142                         \r
 143                         \r
 144                 }\r
 145                 \r
 146                 if (wdcounter>2) {\r
 147                                 getSHT2xHumTemp(&temperatureC,&humidityRH);\r
 148                                 double RH=calibr_hum(temperatureC,-0.2,humidityRH)*10.0;\r
 149                                 double TC =temperatureC *10.0-2;\r
 150 \r
 151                                 if (testSW()) {\r
 152                                         DS2438_2_VAD=RH;\r
 153                                         DS2438_2_TEMP=TC*25.6;\r
 154                                         //am2302_temp=am2302_temp-20;\r
 155                                         config_info2[5]=12;\r
 156                                         DS2438_2_VDD=0x01F4;\r
 157                                         \r
 158                                 }else{\r
 159                                         \r
 160                                          double hhum=(1.0546-0.000216*TC)*(RH);\r
 161                                         //am2302_hum=0.318*hhum +76.0;\r
 162                                         DS2438_2_VAD=0.31*hhum +80;\r
 163                                         DS2438_2_TEMP=TC*25.6;\r
 164                                         //am2302_temp=am2302_temp-20;\r
 165                                         config_info2[5]=7;\r
 166                                         DS2438_2_VDD=0x01F4;\r
 167                         }\r
 168                         wdcounter=0;\r
 169                 }\r
 170         \r
 171                 if ((gcontrol&1)==1) {\r
 172                         gcontrol=0;\r
 173                         l=MAX44009getlux(max_adr);              \r
 174                         if (l<0.030) l=0.030; //Darf nicht 0 sein. minimum -35°C Sensor minimum 0.045\r
 175                         //double l=1000;\r
 176                         l=log(l)*10*16;\r
 177                         uint16_t w=l;\r
 178                         uint8_t t8=w>>4;\r
 179                         uint8_t af=0;\r
 180                         if (t8>pack1.TH) af=1;\r
 181                         if (t8<=pack1.TL) af=1; \r
 182                         cli();\r
 183                         pack1.temp=w;\r
 184                         //pack.temp++;\r
 185                         alarmflag=af;\r
 186                         sei();                  \r
 187                         EXTERN_SLEEP();         \r
 188                 }\r
 189                 OWST_MAIN_END\r
 190    }\r
 191 \r
 192 \r
 193 }