DS2450_SHT2X_BMP280_MAX44009/DS2450_SHT2X_BMP280_MAX44009.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/SHT2xV2.h"\r
  43 #include "../common/I2C/BMP280.h"\r
  44 #include "../common/I2C/MAX44009.h"\r
  45 #include "../common/owSlave_tools.h"\r
  46 #include "../common/calibr.h"\r
  47 \r
  48 OWST_EXTERN_VARS\r
  49 \r
  50 uint8_t owid[8]={0x20, 0xA2, 0xD9, 0x84, 0x00, 0x16, 0x02, 0x5D};/**/\r
  51 uint8_t config_info[26]={0x01,14,0x04,0x08, 0x03,15, 0x02,16,0x02,7,7,15,14,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};\r
  52 \r
  53 #if (owid>128) \r
  54 #error "Variable not correct"\r
  55 #endif\r
  56 \r
  57 OWST_WDT_ISR\r
  58 \r
  59 \r
  60 typedef union {\r
  61         volatile uint8_t bytes[0x20];\r
  62         struct {\r
  63                 //Page0\r
  64                 uint16_t A;  //0\r
  65                 uint16_t B;  //2\r
  66                 uint16_t C;  //4\r
  67                 uint16_t D;  //6\r
  68                 //Page1\r
  69                 uint8_t CSA1;\r
  70                 uint8_t CSA2;\r
  71                 uint8_t CSB1;\r
  72                 uint8_t CSB2;\r
  73                 uint8_t CSC1;\r
  74                 uint8_t CSC2;\r
  75                 uint8_t CSD1;\r
  76                 uint8_t CSD2;\r
  77                 //Page2\r
  78                 uint8_t LA;\r
  79                 uint8_t HA;\r
  80                 uint8_t LB;\r
  81                 uint8_t HB;\r
  82                 uint8_t LC;\r
  83                 uint8_t HC;\r
  84                 uint8_t LD;\r
  85                 uint8_t HD;\r
  86                 //Page3\r
  87                 uint8_t FC1;\r
  88                 uint8_t FC2;\r
  89                 uint8_t FC3;\r
  90                 uint8_t FC4;\r
  91                 uint8_t VCCP;\r
  92                 uint8_t FC5;\r
  93                 uint8_t FC6;\r
  94                 uint8_t FC7;\r
  95                 uint8_t convc1;\r
  96                 uint8_t convc2;\r
  97                 \r
  98                 \r
  99         };\r
 100 } pack_t;\r
 101 volatile pack_t pack;\r
 102 \r
 103 \r
 104 \r
 105 \r
 106 \r
 107  double temperatureC,humidityRH;\r
 108  double l;\r
 109 uint32_t P;\r
 110 int32_t t;\r
 111 uint8_t max_adr=0;\r
 112 \r
 113 \r
 114 \r
 115 int main(void){\r
 116         OWST_INIT_USI_ON\r
 117         pack.A=0;\r
 118         pack.B=0;\r
 119         pack.C=0;\r
 120         pack.D=0;\r
 121         pack.CSA1=0x08;\r
 122         pack.CSA2=0x8C;\r
 123         pack.CSB1=0x08;\r
 124         pack.CSB2=0x8C;\r
 125         pack.CSC1=0x08;\r
 126         pack.CSC2=0x8C;\r
 127         pack.CSD1=0x08;\r
 128         pack.CSD2=0x8C;\r
 129         pack.HA=0xFF;\r
 130         pack.LA=0x00;\r
 131         pack.HB=0xFF;\r
 132         pack.LB=0x00;\r
 133         pack.HC=0xFF;\r
 134         pack.LC=0x00;\r
 135         pack.HD=0xFF;\r
 136         pack.LD=0x00;\r
 137         pack.VCCP=0;\r
 138 \r
 139         OWINIT();\r
 140 \r
 141         OWST_WDR_CONFIG8\r
 142         OWST_EN_PULLUP\r
 143         \r
 144         gcontrol=1;\r
 145         \r
 146         initSHT2x();\r
 147         _delay_ms(10);\r
 148         bmp280Init();\r
 149         if (checkMAX44009(0)) max_adr=0; else max_adr=1 ;\r
 150         \r
 151         sei();\r
 152         \r
 153         //DDRB|=(1<<PINB1);\r
 154 \r
 155     while(1)   {\r
 156         \r
 157         if (wdcounter>3) {      \r
 158                 getSHT2xHumTemp(&temperatureC,&humidityRH);\r
 159                 humidityRH=calibr_hum(temperatureC,-0.2,humidityRH);\r
 160                 temperatureC =temperatureC -0.2;\r
 161                 bmp280ConvertInt(&t,&P,1);\r
 162                 l=MAX44009getlux(max_adr);\r
 163                 if (l<0.030) l=0.030; //Darf nicht 0 sein. minimum -35°C Sensor minimum 0.045\r
 164                 //double l=1000;\r
 165                 l=(log(l)*1000)+32767.0;\r
 166                 wdcounter=0;\r
 167         }\r
 168         \r
 169 \r
 170                 \r
 171                 \r
 172 \r
 173 \r
 174                 if (gcontrol) {\r
 175                         //PORTB|=(1<<PINB1);\r
 176                         uint8_t bb=1;\r
 177                         uint8_t bb1=1;\r
 178                         for(uint8_t i=0;i<4;i++){\r
 179                                 if (pack.convc1&bb1) {\r
 180                                         if (pack.convc2&(bb)) {pack.bytes[i*2]=0;pack.bytes[i*2+1]=0;}\r
 181                                         bb=bb<<1;\r
 182                                         if (pack.convc2&(bb)) {pack.bytes[i*2]=0xFF;pack.bytes[i*2+1]=0xFF;}\r
 183                                         bb=bb<<1;\r
 184                                 } else bb=bb<<2;\r
 185                                 bb1=bb1<<1;                             \r
 186                         }\r
 187                         //CHanel A\r
 188                         if (pack.convc1&1) {\r
 189                                 /*if (pack.CSA2&0x01)   ADMUX=0; else ADMUX=0x80;\r
 190                                 _delay_us(100);\r
 191                                 ADCSRA|=(1<<ADSC);\r
 192                                 while ((ADCSRA&(1<<ADSC)));\r
 193                                 cli();pack.A=ADC;sei();*/\r
 194                                 uint16_t ct=(temperatureC*100.0)+32767;\r
 195                                 cli();pack.A=ct;sei();\r
 196                                 wdcounter=10;\r
 197                                 alarmflag=0;\r
 198                                 \r
 199                                 if (pack.CSA2&0x08)  //AEH\r
 200                                         if (pack.bytes[1]>pack.HA) {alarmflag=1;pack.CSA2|=0x20;}\r
 201                                 if (pack.CSA2&0x04)  //AEL\r
 202                                         if (pack.bytes[1]<pack.LA) {alarmflag=1;pack.CSA2|=0x10;}\r
 203                         }\r
 204 \r
 205                         if (pack.convc1&2) {\r
 206                                 /*if (pack.CSB2&0x01)   ADMUX=1; else ADMUX=0x81;\r
 207                                 _delay_us(100);\r
 208                                 ADCSRA|=(1<<ADSC);\r
 209                                 while ((ADCSRA&(1<<ADSC)));\r
 210                                 cli();pack.B=ADC;sei();*/\r
 211                                 wdcounter=10;\r
 212                                 uint16_t hb=humidityRH*100;\r
 213                                 cli();pack.B=hb;sei();\r
 214                                 if (pack.CSB2&0x08)  //AEH\r
 215                                         if (pack.bytes[1]>pack.HB) {alarmflag=1;pack.CSB2|=0x20;}\r
 216                                 if (pack.CSB2&0x04)  //AEL\r
 217                                         if (pack.bytes[1]<pack.LB) {alarmflag=1;pack.CSB2|=0x10;}\r
 218                         }\r
 219 \r
 220                         if (pack.convc1&4) {\r
 221                                 /*if (pack.CSC2&0x01)   ADMUX=2; else ADMUX=0x82;\r
 222                                 _delay_us(100);\r
 223                                 ADCSRA|=(1<<ADSC);\r
 224                                 while ((ADCSRA&(1<<ADSC)));\r
 225                                 cli();pack.C=ADC;sei();*/\r
 226                                 wdcounter=10;\r
 227                                 cli();pack.C=l;sei();\r
 228                                 if (pack.CSC2&0x08)  //AEH\r
 229                                         if (pack.bytes[1]>pack.HC) {alarmflag=1;pack.CSC2|=0x20;}\r
 230                                 if (pack.CSC2&0x04)  //AEL\r
 231                                         if (pack.bytes[1]<pack.LC) {alarmflag=1;pack.CSC2|=0x10;}\r
 232                         } \r
 233                         if (pack.convc1&8) {\r
 234                                 /*if (pack.CSD2&0x01)   ADMUX=3; else ADMUX=0x83;\r
 235                                 _delay_us(100);\r
 236                                 ADCSRA|=(1<<ADSC);\r
 237                                 while ((ADCSRA&(1<<ADSC)));\r
 238                                 cli();pack.D=ADC;sei();*/\r
 239                                 wdcounter=10;\r
 240                                 uint16_t hd=P/100.0*32.0;\r
 241                                 cli();pack.D=hd;sei();\r
 242                                 if (pack.CSD2&0x08)  //AEH\r
 243                                         if (pack.bytes[1]>pack.HD) {alarmflag=1;pack.CSD2|=0x20;}\r
 244                                 if (pack.CSD2&0x04)  //AEL\r
 245                                         if (pack.bytes[1]<pack.LD) {alarmflag=1;pack.CSD2|=0x10;}\r
 246                         }\r
 247                         \r
 248                         EXTERN_SLEEP();\r
 249                         //PORTB&=~(1<<PINB1);\r
 250                 }\r
 251 \r
 252                 /*uint8_t bb=1;\r
 253                 for(uint8_t i=0;i<4;i++) {\r
 254                         if (pack.bytes[8+i*2]&0x80) {  //Chanel as output\r
 255                                 if (pack.bytes[8+i*2]&0x40) {\r
 256                                         DDRA|=bb;\r
 257                                 } else {\r
 258                                         DDRA&=~bb;\r
 259                                 }\r
 260                         } else {\r
 261                                 DDRA&=~bb;\r
 262                         }\r
 263                         bb=bb*2;\r
 264                 }*/\r
 265                 \r
 266                 OWST_MAIN_END\r
 267    }\r
 268 \r
 269 \r
 270 }