DS18B20_VOC_DS2438_SHT/DS18B20_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/USI_TWI_Master.h"\r
  43 #include "../common/I2C/MAX1164x.h"\r
  44 #include "../common/I2C/SHT2xV2.h"\r
  45 #include "../common/calibr.h"\r
  46 \r
  47 extern void OWINIT(void);\r
  48 extern void EXTERN_SLEEP(void);\r
  49 \r
  50 \r
  51 \r
  52 volatile uint8_t owid1[8]={0x28, 0xA3, 0xD9, 0x84, 0x00, 0x16, 0x05, 0x18};/**/\r
  53 volatile uint8_t owid2[8]={0x26, 0xA3, 0xD9, 0x84, 0x00, 0x16, 0x05, 0x67};/**/\r
  54 volatile uint8_t config_info1[26]={0x08,18, 0x00,0x00, 0x00,0x00, 0x00,0x00, 0x02,17,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; \r
  55 volatile uint8_t config_info2[26]={0x01,0x06, 0x05,0x08, 0x04,0x07, 11,0x08, 0x02,0x07,0x00,0x07,17,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; \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 extern uint8_t cpsp;\r
  66 volatile uint8_t wdcounter=1;\r
  67 \r
  68 \r
  69 #if  defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__)  || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__)  || defined(__AVR_ATtiny84A__)\r
  70 ISR(WATCHDOG_vect) {\r
  71 #else\r
  72 ISR(WDT_vect) {\r
  73 #endif \r
  74         wdcounter++;\r
  75         if (reset_indicator==1) reset_indicator++;\r
  76         else if (reset_indicator==2) mode=0;\r
  77 \r
  78 \r
  79 }\r
  80 \r
  81 \r
  82 typedef union {\r
  83         volatile uint8_t bytes[8];\r
  84         struct {\r
  85                 uint16_t temp;  //0\r
  86                 uint8_t TH;  //2\r
  87                 uint8_t TL;  //3\r
  88                 uint8_t config;  //4\r
  89                 uint8_t rrFF; //5\r
  90                 uint8_t rr00; //6\r
  91                 uint8_t rr10; //7\r
  92         };\r
  93 } pack1_t;\r
  94 volatile pack1_t pack1;\r
  95 \r
  96 \r
  97 \r
  98 typedef union {\r
  99         #if  defined(__AVR_ATtiny25__)\r
 100         volatile uint8_t bytes[16];\r
 101         #else\r
 102         volatile uint8_t bytes[64];\r
 103         #endif\r
 104         struct {\r
 105                 uint8_t status;  //1\r
 106                 int16_t temp;  //2\r
 107                 uint16_t voltage;  //4\r
 108                 int16_t current;  //6\r
 109                 uint8_t threshold; //8\r
 110                 \r
 111                 uint8_t page1[8]; //9\r
 112                 \r
 113                 uint8_t page2[8]; //17\r
 114                 union{ \r
 115                         uint8_t page3[8]; //25\r
 116                         struct {\r
 117                                 uint16_t R0;\r
 118                                 uint16_t VS;\r
 119                                 uint8_t cmode;\r
 120                                 int16_t ip;\r
 121                                 uint8_t free;\r
 122                         };\r
 123                 };\r
 124                 union{ \r
 125                         uint8_t page4[8];  //33\r
 126                         struct {\r
 127                                 uint16_t tol_s8;\r
 128                                 uint16_t tol_d;\r
 129                                 uint16_t r_day_max;\r
 130                                 uint16_t r_week_max;\r
 131                         };\r
 132                 };\r
 133                 union{\r
 134                         uint8_t page5[8];  //41\r
 135                         struct {\r
 136                                 uint8_t codeVOC; // immer 0x37 nach Neustart\r
 137                                 uint8_t days_of_r0; //Anzahl der Tage fuer die r0 ermittelt wird\r
 138                                 int8_t corr_VOC_mult; //r0 corr\r
 139                                 int8_t corr_VOC_div;\r
 140                                 uint16_t vv3;\r
 141                                 uint8_t time_corr; //Wiregate;\r
 142                                 uint8_t reset_code;\r
 143                         };\r
 144                         uint16_t page5d[4];\r
 145                 };\r
 146                         uint8_t page6[8];  //49\r
 147                 uint8_t page7[8];  //57\r
 148                 \r
 149         };\r
 150 } pack2_t;\r
 151 volatile pack2_t pack2;\r
 152 \r
 153 \r
 154 \r
 155 \r
 156 volatile int16_t am2302_temp;\r
 157 volatile uint16_t am2302_hum;\r
 158 \r
 159 \r
 160 uint8_t userRegister[1];\r
 161 int16_t sRH,sT;\r
 162 double temperatureC,humidityRH,hhum;\r
 163 double l;\r
 164 \r
 165 uint8_t max_adr=0;\r
 166 #define CH0_M MAX1164x_C_SCAN0|MAX1164x_C_SGL\r
 167 #define CH1_M MAX1164x_C_SCAN0|MAX1164x_C_SGL|MAX1164x_C_CS0\r
 168 #define CH0_CH1 MAX1164x_C_SCAN0\r
 169 //|MAX1164x_C_CS0\r
 170 \r
 171 uint16_t weekmaxarr[33];\r
 172 \r
 173 //Kompensieren der Abhänigkeit von RS/RO von Temperatur und Luftfeuchte\r
 174 inline double interp(double t, double h) {\r
 175         double h2;\r
 176          double t2;\r
 177         h2=h*h;\r
 178         t2=t*t;\r
 179         return 4.76111e-9*h2*t2-3.96956e-7*h2*t+0.0000408889*h2-1.07132e-6*h*t2+0.000115968*h*t-0.0101333*h+0.000163806*t2-0.0241179*t+1.80591;\r
 180 }\r
 181 \r
 182 double R0;\r
 183 uint16_t mr;\r
 184 uint8_t startup=10;\r
 185 double ip;\r
 186 \r
 187 \r
 188 int testSW(void) {\r
 189         uint8_t r;\r
 190         DDRB&=~(1<<PORTB0);  //Eingang\r
 191          __asm__ __volatile__ ("nop"); \r
 192          PORTB|=(1<<PORTB0); //Pullup\r
 193          __asm__ __volatile__ ("nop"); \r
 194          __asm__ __volatile__ ("nop"); \r
 195          __asm__ __volatile__ ("nop"); \r
 196          __asm__ __volatile__ ("nop"); \r
 197          __asm__ __volatile__ ("nop"); \r
 198          r=PINB&(1<<PORTB0);\r
 199          __asm__ __volatile__ ("nop"); \r
 200          PORTB&=~(1<<PORTB0); \r
 201          __asm__ __volatile__ ("nop"); \r
 202         DDRB|=(1<<PORTB0);  //Eingang\r
 203         return (r==0);  //Offen mal HIH4030\r
 204          \r
 205          \r
 206 }\r
 207 \r
 208 #define EEPROM_R0 0\r
 209 #define EEPROM_R0d 2\r
 210 #define EEPROM_R0w 4\r
 211 #define EEPROM_dol 6\r
 212 \r
 213 #define EEPROM_CODE_DAYOFR0 8\r
 214 #define EEPROM_CORR 10\r
 215 #define EEPROM_FREE 12\r
 216 #define EEPROM_TCORR_RESET 14\r
 217 \r
 218 \r
 219 \r
 220 uint16_t readEEPROM(uint8_t addr,uint16_t def) {\r
 221         uint16_t hr;\r
 222         while(EECR & (1<<EEPE));\r
 223         EEARL=addr+1;\r
 224         EECR |= (1<<EERE);\r
 225         hr=EEDR;\r
 226         if (hr!=0xFF) {\r
 227                 hr=hr<<8;\r
 228                 while(EECR & (1<<EEPE));\r
 229                 EEARL=addr;\r
 230                 EECR |= (1<<EERE);\r
 231                 hr|=EEDR;\r
 232                 return hr;\r
 233         }\r
 234         return def;\r
 235 }\r
 236 \r
 237 void writeEEPROM(uint8_t addr,uint16_t val) {\r
 238         while(EECR & (1<<EEPE));\r
 239         EECR = (0<<EEPM1)|(0<<EEPM0);\r
 240         EEARL = addr;\r
 241         EEDR = val&0xFF;\r
 242         EECR |= (1<<EEMPE);\r
 243         EECR |= (1<<EEPE);\r
 244         while(EECR & (1<<EEPE));\r
 245         EECR = (0<<EEPM1)|(0<<EEPM0);\r
 246         EEARL = addr+1;\r
 247         EEDR = val>>8;\r
 248         EECR |= (1<<EEMPE);\r
 249         EECR |= (1<<EEPE);\r
 250 }\r
 251 \r
 252 int main(void){\r
 253     PRR|=(1<<PRADC);  // adc for save Power\r
 254         PORTA=0xFF;\r
 255         PORTB=0xFF-(1<<PORTB0); //Schalter kann gegen Masse sein und zieht dann immer Strom\r
 256         DDRB|=(1<<PORTB0); //Als Ausgang und 0\r
 257         OWINIT();\r
 258         DDRB|=(1<<PINB1);//Ausgang und 1\r
 259         DDRA|=(1<<PINA0);\r
 260         \r
 261         WDTCSR |= ((1<<WDCE) );   // Enable the WD Change Bit//| (1<<WDE)\r
 262         WDTCSR |=   (1<<WDIE) |              // Enable WDT Interrupt\r
 263         //(1<<WDP0) |(1<<WDP2) | (1<<WDP1);    // Set Timeout to ~2 seconds\r
 264         (1<<WDP3) | (1<<WDP0);    // Set Timeout to ~8 seconds\r
 265 \r
 266         MCUSR=0;\r
 267 \r
 268         pack1.temp=0x0550;\r
 269         pack1.config=0x7F;\r
 270         pack1.TH=75;\r
 271         pack1.TL=70;\r
 272         pack1.rrFF=0xFF;\r
 273         pack1.rr00=0;\r
 274         pack1.rr10=0x10;\r
 275 \r
 276         pack2.cmode=0;\r
 277         pack2.R0=readEEPROM(EEPROM_R0,1);\r
 278         R0=pack2.R0/100.0;\r
 279                 \r
 280         pack2.r_day_max=readEEPROM(EEPROM_R0d,1);\r
 281         pack2.r_week_max=readEEPROM(EEPROM_R0w,1);\r
 282         pack2.tol_d=readEEPROM(EEPROM_dol,0); \r
 283         pack2.tol_s8=0;  //Tag faengt mit Einschalten an\r
 284         for(uint8_t i=0;i<32;i++) {\r
 285                 weekmaxarr[i]=pack2.r_week_max;\r
 286         }\r
 287 \r
 288         pack2.page5d[0]=readEEPROM(EEPROM_CODE_DAYOFR0,0x0437);\r
 289         pack2.page5d[1]=readEEPROM(EEPROM_CORR,0x0101);\r
 290         pack2.page5d[2]=readEEPROM(EEPROM_FREE,0x0);\r
 291         pack2.page5d[3]=readEEPROM( EEPROM_TCORR_RESET,0x0005);\r
 292         if (testSW()) {\r
 293                 config_info2[5]=12;\r
 294         }else{\r
 295                 config_info2[5]=7;\r
 296         }\r
 297         \r
 298 \r
 299         USI_TWI_Master_Initialise();\r
 300         \r
 301         initSHT2x();\r
 302         _delay_ms(100);\r
 303         MAX1164x_config(MAX1164x_S_SEL2|MAX1164x_S_SEL0,CH0_M);//#define MAX1164x_C_CS0\r
 304         _delay_ms(30); //Internal Referenz start\r
 305         //2970 -> 1,5V  \r
 306         gcontrol=1;\r
 307         sei();\r
 308         //DDRB|=(1<<PINB1);\r
 309     while(1)   {\r
 310                 if ((cpsp&0x80)!=0) {\r
 311                         if ((cpsp&0x0F)==5) {\r
 312                                 if (pack2.reset_code==0x01) {\r
 313                                         pack1.config=0x7F;\r
 314                                         R0=1;\r
 315                                         pack2.R0=0;\r
 316                                         writeEEPROM(EEPROM_R0,0);\r
 317                                 } else if (pack2.reset_code==0x05) {\r
 318                                         pack1.config=0x7F;\r
 319                                         pack2.r_day_max=1;\r
 320                                         pack2.r_week_max=1;\r
 321                                         pack2.tol_d=0;\r
 322                                         pack2.tol_s8=0;  //Tag faengt mit Einschalten an\r
 323                                         R0=1;\r
 324                                         writeEEPROM(EEPROM_R0,0xFF);\r
 325                                         writeEEPROM(EEPROM_R0d,0xFF);  //Maximum des Tages\r
 326                                         writeEEPROM(EEPROM_R0w,0xFF); //Maximum der Letzten 7 Tage\r
 327                                         writeEEPROM(EEPROM_dol,0xFF); //Anzahl der Betriebstage\r
 328                                         for(uint8_t i=0;i<pack2.days_of_r0;i++) {\r
 329                                                 weekmaxarr[i]=1;\r
 330                                         }\r
 331 \r
 332                                 } else {\r
 333                                         writeEEPROM(EEPROM_CODE_DAYOFR0,0x0037|(pack2.days_of_r0<<8));\r
 334                                         writeEEPROM(EEPROM_CORR,pack2.page5d[1]);\r
 335                                         writeEEPROM(EEPROM_FREE,pack2.page5d[2]);\r
 336                                         writeEEPROM(EEPROM_TCORR_RESET,pack2.time_corr);\r
 337                                 }\r
 338                         }\r
 339                         cpsp=0;\r
 340                 }\r
 341                 /*if (pack1.config==0x1F) {  //Reset R0\r
 342                         pack1.config=0x7F;\r
 343                         R0=1;\r
 344                         pack2.R0=0;\r
 345                         writeEEPROM(EEPROM_R0,0);\r
 346                 } \r
 347                 if (pack1.config==0x05) {  //Reset all Data\r
 348                 } */\r
 349                 if (wdcounter>0) {  //8s\r
 350                         pack2.tol_s8++;\r
 351                         if (pack2.tol_s8>(10000))  {//10800 ist theortisch der Tag aber meistens zu lang\r
 352                                 pack2.tol_s8=0;\r
 353                                 pack2.tol_d++;  //rund 180 Jahre :-)\r
 354                                 pack2.r_week_max=0;\r
 355                                 weekmaxarr[pack2.days_of_r0]=pack2.r_day_max;\r
 356                                 for(uint8_t i=0;i<pack2.days_of_r0;i++) {\r
 357                                         weekmaxarr[i]=weekmaxarr[i+1];\r
 358                                         //maximum of week\r
 359                                         if (weekmaxarr[i]>pack2.r_week_max) pack2.r_week_max=weekmaxarr[i];\r
 360                                 }\r
 361                                 if (pack2.tol_d>pack2.days_of_r0) {\r
 362                                         pack2.R0=pack2.r_week_max;\r
 363                                 } else {\r
 364                                         pack2.R0=pack2.r_day_max;\r
 365                                 }\r
 366                                 //R0=//R0-0.5*(pack2.R0/100-R0);\r
 367                                 R0=pack2.R0/100.0;\r
 368                                 pack2.R0=R0*100;\r
 369                                 writeEEPROM(EEPROM_R0,pack2.R0);\r
 370                                 writeEEPROM(EEPROM_R0d,pack2.r_day_max);  //Maximum des Tages\r
 371                                 writeEEPROM(EEPROM_R0w,pack2.r_week_max); //Maximum der Letzten 7 Tage\r
 372                                 writeEEPROM(EEPROM_dol,pack2.tol_d); //Anzahl der Betriebstage\r
 373                                 pack2.r_day_max=0;\r
 374                         }\r
 375                         if (startup!=0) startup--;\r
 376                         getSHT2xHumTemp(&temperatureC,&humidityRH);\r
 377                         ip=interp(temperatureC,humidityRH);\r
 378                         pack2.ip=ip*1000;\r
 379                         double RH=calibr_hum(temperatureC,-0.2,humidityRH)*10.0;\r
 380                         double TC =temperatureC *10.0-2;\r
 381 \r
 382 \r
 383                         if (testSW()) {\r
 384                                  am2302_hum=RH;\r
 385                                  am2302_temp=TC*25.6;\r
 386                                  config_info2[5]=12;    //10V = 100%\r
 387                         }else{\r
 388                                 hhum=(1.0546-0.000216*TC)*(RH);\r
 389                                 //am2302_hum=0.318*hhum +76.0;\r
 390                                 am2302_hum=0.31*hhum +80;\r
 391                                 am2302_temp=TC*25.6;\r
 392                                 config_info2[5]=7;\r
 393                         }\r
 394                         mr=0;\r
 395 //Kritische Sektion !___Ein Breakpoint in dieser Section kann den TGS8100 zerstoeren!___________________________\r
 396                         PORTB&=~(1<<PINB1); //Auf 0 Ziehen\r
 397                         _delay_us(150);\r
 398                         mr+=MAX1164x_read();\r
 399                         _delay_us(150);\r
 400                         mr+=MAX1164x_read();\r
 401                         PORTB|=(1<<PINB1);\r
 402 //ENDE Kritische Sektion !______________________________\r
 403                         //l=mr/2.0*2.048/4096; \r
 404                         // l maximal 2  mr max 4096  //mr 2V=8000 \r
 405                         \r
 406                         if (pack2.cmode) { //cmode=0 V 0..2 V cmode=1 V 1.5..3.5V\r
 407                                 //l+=1.5; //Spannung real\r
 408                                 mr+=6000;\r
 409                         } \r
 410                         //if (l>1.8) {\r
 411                         if (mr>7200) {                          \r
 412                                 if (pack2.cmode==0) {\r
 413                                         MAX1164x_config(MAX1164x_S_SEL2|MAX1164x_S_SEL0,CH0_CH1);\r
 414                                         pack2.cmode=1;\r
 415                                 }\r
 416                         }\r
 417                         //if (l<1.6) {\r
 418                         if (mr<6400) {  \r
 419                                 if (pack2.cmode==1) {\r
 420                                         MAX1164x_config(MAX1164x_S_SEL2|MAX1164x_S_SEL0,CH0_M);\r
 421                                         pack2.cmode=0;\r
 422                                 }\r
 423                                 \r
 424                                 \r
 425                         }\r
 426                         pack2.VS=mr*5/2;\r
 427                         l=mr/4000.0;\r
 428                         l=( 3/l- 1) *30;\r
 429                         pack2.current=l*100;\r
 430                         \r
 431                         l=l/ip;\r
 432                         \r
 433                         if (startup==0){\r
 434                                 if (l>R0) {\r
 435                                         R0=l;\r
 436                                         pack2.R0=R0*100;\r
 437                                         writeEEPROM(EEPROM_R0,pack2.R0);\r
 438 \r
 439                                 }\r
 440                                 if (l*100>pack2.r_day_max) {\r
 441                                         pack2.r_day_max=l*100;\r
 442                                 }\r
 443                         } else if (l<R0) l=R0; //negative Werte am Anfang verhintern\r
 444                         //l=exp((1-(l/R0))*6.05)-1;// exp((1-($val)/55)*5.75);  (5.75 geht über 125 6.05 geht bis 240... mittlere Linie im Datenblatt)\r
 445                         //l=l*(double)pack2.corr_VOC_mult/(double)pack2.corr_VOC_div;\r
 446                         //l=pow(R0/l,1.8)*3-3;\r
 447                         if (l!=0) {\r
 448                                 l=R0/l;\r
 449                                 l=l*l*12-12;\r
 450                                 l=l*(double)pack2.corr_VOC_mult/(double)pack2.corr_VOC_div;\r
 451                                 l=l*8.0; //fuer DS18B20*/\r
 452                         }\r
 453 \r
 454                         //l=(l/R0*100.0); \r
 455                         wdcounter=0;\r
 456                         \r
 457                 }\r
 458         \r
 459                 if (gcontrol==1) {\r
 460                         uint16_t w=l;\r
 461                         uint8_t t8=w>>4;\r
 462                         uint8_t af=0;\r
 463                         if (t8>pack1.TH) af=1;\r
 464                         if (t8<=pack1.TL) af=1; \r
 465                         cli();\r
 466                         pack1.temp=w;\r
 467                         //pack.temp++;\r
 468                         alarmflag=af;\r
 469                         sei();                  \r
 470                         EXTERN_SLEEP();         \r
 471                 }\r
 472                 if ((gcontrol==2)||(gcontrol==3)) {\r
 473                         gcontrol=0;\r
 474                         \r
 475                 }\r
 476 \r
 477                 \r
 478 #if  defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__)  || defined(__AVR_ATtiny85__)\r
 479                         if (((TIMSK & (1<<TOIE0))==0)&& (mode==0))\r
 480 #endif                  \r
 481 #if  defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__)  || defined(__AVR_ATtiny84__) ||defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__)  || defined(__AVR_ATtiny84A__)\r
 482                         if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))\r
 483 #endif\r
 484                           {\r
 485 \r
 486                         MCUCR|=(1<<SE)|(1<<SM1);\r
 487                         MCUCR&=~(1<<ISC01);\r
 488                 } else {\r
 489                         MCUCR|=(1<<SE);\r
 490                         MCUCR&=~(1<<SM1);\r
 491                 }\r
 492                 asm("SLEEP");\r
 493    }\r
 494 \r
 495 \r
 496 }\r