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/SHT2x.h"\r
  44 \r
  45 \r
  46 extern void OWINIT();\r
  47 extern void EXTERN_SLEEP();\r
  48 \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 \r
  56         \r
  57 #if (owid>128) \r
  58 #error "Variable not correct"\r
  59 #endif\r
  60 \r
  61 extern uint8_t mode;\r
  62 extern uint8_t gcontrol;\r
  63 extern uint8_t reset_indicator;\r
  64 extern uint8_t alarmflag;\r
  65 volatile uint8_t wdcounter=5;\r
  66 \r
  67 \r
  68 #if  defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__)  || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__)  || defined(__AVR_ATtiny84A__)\r
  69 ISR(WATCHDOG_vect) {\r
  70 #else\r
  71 ISR(WDT_vect) {\r
  72 #endif \r
  73         //sleep_disable();          // Disable Sleep on Wakeup\r
  74         wdcounter++;\r
  75         if (reset_indicator==1) reset_indicator++;\r
  76         else if (reset_indicator==2) mode=0;\r
  77 /*      if (timeout==2) {\r
  78                 DIS_TIMER;\r
  79                 EN_OWINT;\r
  80                 mode=OWM_SLEEP;\r
  81         }\r
  82         timeout++;*/\r
  83         //sleep_enable();           // Enable Sleep Mode\r
  84 \r
  85 }\r
  86 \r
  87 int testSW(void) {\r
  88         uint8_t r;\r
  89         DDRB&=~(1<<PORTB0);  //Eingang\r
  90         __asm__ __volatile__ ("nop");\r
  91         PORTB|=(1<<PORTB0); //Pullup\r
  92         __asm__ __volatile__ ("nop");\r
  93         __asm__ __volatile__ ("nop");\r
  94         __asm__ __volatile__ ("nop");\r
  95         __asm__ __volatile__ ("nop");\r
  96         __asm__ __volatile__ ("nop");\r
  97         r=PINB&(1<<PORTB0);\r
  98         __asm__ __volatile__ ("nop");\r
  99         PORTB&=~(1<<PORTB0);\r
 100         __asm__ __volatile__ ("nop");\r
 101         DDRB|=(1<<PORTB0);  //Eingang\r
 102         return (r==0);\r
 103         \r
 104         \r
 105 }\r
 106 \r
 107 \r
 108 typedef union {\r
 109         volatile uint8_t bytes[8];\r
 110         struct {\r
 111                 uint16_t temp;  //0\r
 112                 uint8_t TH;  //2\r
 113                 uint8_t TL;  //3\r
 114                 uint8_t config;  //4\r
 115                 uint8_t rrFF; //5\r
 116                 uint8_t rr00; //6\r
 117                 uint8_t rr10; //7\r
 118         };\r
 119 } pack1_t;\r
 120 volatile pack1_t pack1;\r
 121 \r
 122 \r
 123 \r
 124 typedef union {\r
 125         #if  defined(__AVR_ATtiny25__)\r
 126         volatile uint8_t bytes[16];\r
 127         #else\r
 128         volatile uint8_t bytes[64];\r
 129         #endif\r
 130         struct {\r
 131                 uint8_t status;  //1\r
 132                 int16_t temp;  //2\r
 133                 uint16_t voltage;  //4\r
 134                 uint16_t current;  //6\r
 135                 uint8_t threshold; //8\r
 136                 \r
 137                 uint8_t page1[8]; //9\r
 138                 #if  defined(__AVR_ATtiny25__)\r
 139                 #else\r
 140                 uint8_t page2[8]; //17\r
 141                 uint8_t page3[8]; //25\r
 142                 uint8_t page4[8];  //33\r
 143                 uint8_t page5[8];  //41\r
 144                 uint8_t page6[8];  //49\r
 145                 uint8_t page7[8];  //57\r
 146                 //uint8_t crc;  //65\r
 147                 #endif\r
 148         };\r
 149 } pack2_t;\r
 150 volatile pack2_t pack2;\r
 151 \r
 152 \r
 153 \r
 154 \r
 155 volatile int16_t am2302_temp;\r
 156 volatile uint16_t am2302_hum;\r
 157 \r
 158 \r
 159 uint8_t userRegister[1];\r
 160 int16_t sRH,sT;\r
 161 volatile double temperatureC,humidityRH;\r
 162 volatile double l;\r
 163 \r
 164 uint8_t max_adr=0;\r
 165 \r
 166 int main(void){\r
 167     PRR|=(1<<PRADC);  // adc for save Power\r
 168         pack1.temp=0x0550;\r
 169         pack1.config=0x7F;\r
 170         pack1.TH=75;\r
 171         pack1.TL=70;\r
 172         pack1.rrFF=0xFF;\r
 173         pack1.rr00=0;\r
 174         pack1.rr10=0x10;\r
 175         PORTA=0xFF;\r
 176         PORTB=0xFF;\r
 177         OWINIT();\r
 178 \r
 179         MCUCR &=~(1<<PUD); //All Pins Pullup...\r
 180         MCUCR |=(1<<BODS);\r
 181 \r
 182         WDTCSR |= ((1<<WDCE) );   // Enable the WD Change Bit//| (1<<WDE)\r
 183         WDTCSR |=   (1<<WDIE) |              // Enable WDT Interrupt\r
 184         (1<<WDP3) | (1<<WDP0);   // Set Timeout to ~8 seconds\r
 185         if (testSW()) {\r
 186                 config_info2[5]=8;\r
 187                 }else{\r
 188                 config_info2[5]=7;\r
 189         }\r
 190         MCUSR=0;\r
 191         sei();\r
 192         USI_TWI_Master_Initialise();\r
 193         if (checkMAX44009(0)) max_adr=0; else max_adr=1 ;\r
 194         SHT2x_SoftReset();\r
 195         SHT2x_ReadUserRegister(userRegister);\r
 196         //(userRegister & ~SHT2x_RES_MASK) | SHT2x_RES_10_13BIT;\r
 197         SHT2x_WriteUserRegister(userRegister); //write changed user reg\r
 198         // --- measure humidity with "Hold Master Mode (HM)" ---\r
 199         SHT2x_MeasurePoll(HUMIDITY, &sRH);\r
 200         // --- measure temperature with "Polling Mode" (no hold master) ---\r
 201         SHT2x_MeasurePoll(TEMP, &sT);\r
 202         //-- calculate humidity and temperature --\r
 203         //temperatureC = SHT2x_CalcTemperatureC(sT);\r
 204         //humidityRH = SHT2x_CalcRH(sRH);\r
 205         \r
 206         gcontrol=1;\r
 207         sei();\r
 208         //DDRB|=(1<<PINB1);\r
 209     while(1)   {\r
 210                 if ((gcontrol&2)==2){\r
 211                         wdcounter=3;\r
 212                         \r
 213                         \r
 214                 }\r
 215                 \r
 216                 if (wdcounter>2) {\r
 217                         //PORTB|=(1<<PINB1); //Dauer 440ms\r
 218                         SHT2x_MeasurePoll(HUMIDITY, &sRH);\r
 219                         // --- measure temperature with "Polling Mode" (no hold master) ---\r
 220                         SHT2x_MeasurePoll(TEMP, &sT);\r
 221                         //-- calculate humidity and temperature --\r
 222                         temperatureC = SHT2x_CalcTemperatureC(sT)*10.0-2;\r
 223                         humidityRH = SHT2x_CalcRH(sRH)*10.0+5;\r
 224                         if (humidityRH>1000) humidityRH=1000;\r
 225                         if (testSW()) {\r
 226                                 am2302_hum= humidityRH*10.0;\r
 227                                 am2302_temp=temperatureC*25.6;\r
 228                                 //\r
 229                                 config_info2[5]=8;\r
 230                                 \r
 231                         }else{\r
 232                                 \r
 233                                 double hhum=(1.0546-0.000216*temperatureC)*(humidityRH);\r
 234                                 //am2302_hum=0.318*hhum +76.0;\r
 235                                 am2302_hum=0.31*hhum +80;\r
 236                                 am2302_temp=temperatureC*25.6;\r
 237                                 //am2302_temp=am2302_temp-45;\r
 238                                 config_info2[5]=7;\r
 239                         }\r
 240                         wdcounter=0;\r
 241                 }\r
 242         \r
 243                 if ((gcontrol&1)==1) {\r
 244                         gcontrol=0;\r
 245                         l=MAX44009getlux(max_adr);              \r
 246                         if (l<0.030) l=0.030; //Darf nicht 0 sein. minimum -35°C Sensor minimum 0.045\r
 247                         //double l=1000;\r
 248                         l=log(l)*10*16;\r
 249                         uint16_t w=l;\r
 250                         uint8_t t8=w>>4;\r
 251                         uint8_t af=0;\r
 252                         if (t8>pack1.TH) af=1;\r
 253                         if (t8<=pack1.TL) af=1; \r
 254                         cli();\r
 255                         pack1.temp=w;\r
 256                         //pack.temp++;\r
 257                         alarmflag=af;\r
 258                         sei();                  \r
 259                         EXTERN_SLEEP();         \r
 260                 }\r
 261                 \r
 262 \r
 263                 \r
 264 #if  defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__)  || defined(__AVR_ATtiny85__)\r
 265                         if (((TIMSK & (1<<TOIE0))==0)&& (mode==0))\r
 266 #endif                  \r
 267 #if  defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__)  || defined(__AVR_ATtiny84__) ||defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__)  || defined(__AVR_ATtiny84A__)\r
 268                         if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))\r
 269 #endif\r
 270                           {\r
 271 \r
 272                         MCUCR|=(1<<SE)|(1<<SM1);\r
 273                         MCUCR&=~(1<<ISC01);\r
 274                 } else {\r
 275                         MCUCR|=(1<<SE);\r
 276                         MCUCR&=~(1<<SM1);\r
 277                 }\r
 278                 asm("SLEEP");\r
 279    }\r
 280 \r
 281 \r
 282 }