DS2438_CDM7160_DS2438_BMP280/DS2438_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 //!!!!!Max Program size 7551 Byte\r
  34 \r
  35 #define F_CPU 8000000UL\r
  36 #include <avr/io.h>\r
  37 #include <avr/interrupt.h>\r
  38 #include <util/delay.h>  \r
  39 #include <avr/wdt.h>\r
  40 #include <avr/sleep.h>\r
  41 #include <avr/pgmspace.h>\r
  42 #include "../common/I2C/TWI_Master.h"\r
  43 #include "../common/I2C/BMP280.h"\r
  44 #include "../common/I2C/CDM7160.h"\r
  45 #include "../common/owSlave_tools.h"\r
  46 \r
  47 \r
  48 OWST_EXTERN_VARS\r
  49 \r
  50 \r
  51 \r
  52 volatile uint8_t owid1[8]={0x26, 0x01, 0x01, 0x01, 0x00, 0x00, 0x03, 0xF6};/**/\r
  53 volatile uint8_t owid2[8]={0x26, 0x02, 0x01, 0x01, 0x00, 0x00, 0x03, 0xAF};/**/\r
  54 volatile uint8_t config_info1[26]={1,6, 10,8, 10,8, 0x00,0x00, 0x02,14,16,16,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};   \r
  55 volatile uint8_t config_info2[26]={1,6, 2,8, 2,8, 0,0           , 0x02,14,14,14,0,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};   \r
  56         \r
  57 \r
  58 \r
  59 typedef union {\r
  60         volatile uint8_t bytes[64];\r
  61         struct {\r
  62                 uint8_t status;  //1\r
  63                 int16_t temp;  //2\r
  64                 uint16_t voltage;  //4\r
  65                 int16_t current;  //6\r
  66                 uint8_t threshold; //8\r
  67                 uint8_t page1[8]; //9\r
  68                 uint8_t page2[8]; //17\r
  69                         \r
  70                 uint8_t page3[8]; //25\r
  71                 \r
  72                 uint8_t page4[8];  //33\r
  73                 uint8_t page5[8];  //41\r
  74                 uint8_t page6[8];  //49\r
  75                 uint8_t page7[8];  //57\r
  76                 \r
  77         };\r
  78 } pack1_t;\r
  79 volatile pack1_t pack1;\r
  80 \r
  81 \r
  82 \r
  83 \r
  84 typedef union {\r
  85         volatile uint8_t bytes[64];\r
  86         struct {\r
  87                 uint8_t status;  //1\r
  88                 int16_t temp;  //2\r
  89                 uint16_t voltage;  //4\r
  90                 int16_t current;  //6\r
  91                 uint8_t threshold; //8\r
  92                 \r
  93                 uint8_t page1[8]; //9\r
  94                 \r
  95                 uint8_t page2[8]; //17\r
  96                 uint8_t page3[8]; //25\r
  97                 \r
  98                 uint8_t page4[8];  //33\r
  99                 uint8_t page5[8];  //41\r
 100                 uint8_t page6[8]; //25\r
 101                 uint8_t page7[8];  //57\r
 102                 \r
 103         };\r
 104 } pack2_t;\r
 105 volatile pack2_t pack2;\r
 106 \r
 107 OWST_WDT_ISR\r
 108 OWST_TESTSW\r
 109 \r
 110 \r
 111 \r
 112 \r
 113 \r
 114 volatile int16_t DS2438_1_TEMP;\r
 115 volatile uint16_t DS2438_1_VAD;\r
 116 volatile uint16_t DS2438_1_VDD;\r
 117 volatile int16_t DS2438_2_TEMP;\r
 118 volatile uint16_t DS2438_2_VAD;\r
 119 volatile uint16_t DS2438_2_VDD;\r
 120 \r
 121 \r
 122 \r
 123 double temperatureC,humidityRH,hhum;\r
 124 double l;\r
 125 uint32_t P;\r
 126 int32_t t;\r
 127 uint8_t max_adr=0;\r
 128 int16_t CO2;\r
 129 \r
 130 \r
 131 int main(void){\r
 132         OWST_INIT_USI_ON\r
 133         OWINIT();\r
 134         OWST_WDR_CONFIG8\r
 135         OWST_EN_PULLUP\r
 136         \r
 137         pack1.page3[0]=0xF1;\r
 138         pack2.page3[0]=0xF4;\r
 139 \r
 140         TWI_Master_Initialise();\r
 141         CDM7160softReset();\r
 142         _delay_ms(200);\r
 143 \r
 144         CDM7160setMode(0); //Power Down Mode\r
 145         _delay_ms(200);\r
 146         CDM7160setAvCount(0x3F);\r
 147         CDM7160setFMode(1);\r
 148         CO2=CDM7160getCO2();\r
 149         CDM7160setMode(1);\r
 150         _delay_ms(200);\r
 151 \r
 152         bmp280Init();\r
 153 \r
 154 \r
 155 \r
 156 \r
 157         gcontrol=1;\r
 158         sei();\r
 159 \r
 160     while(1)   {\r
 161                 if (gcontrol) wdcounter=4;\r
 162                 if (wdcounter>3) {  //8s\r
 163                         wdcounter=0;\r
 164                         bmp280ConvertInt(&t,&P,1);\r
 165                         _delay_ms(100);\r
 166                         CO2=CDM7160getCO2()-35;\r
 167                         double cc=(double)CO2/(P/101300.0*298.0/(273.0+t/100.0));\r
 168                         DS2438_2_TEMP=t/100.0*256.0;\r
 169                         DS2438_1_TEMP=CO2;\r
 170                         DS2438_1_VDD=cc/10;\r
 171                         DS2438_1_VAD=(cc-DS2438_1_VDD*10)*100;\r
 172                         DS2438_2_VDD=P/1000;\r
 173                         DS2438_2_VAD=(P-DS2438_2_VDD*1000);\r
 174 \r
 175                         \r
 176                 }\r
 177         \r
 178                 if (gcontrol) {\r
 179                         gcontrol=0;\r
 180                 }\r
 181 \r
 182                 \r
 183                 OWST_MAIN_END\r
 184    }\r
 185 \r
 186 \r
 187 }\r