// pcDuino3 ADC #include #include #include #include #include #include #define ADC_IF_PATH "/proc/" #define ADC_IF_FILE "adc" #define DEVICE_NAME "ServerRoom" #define APP_NAME "RoomTemperatureMonitor1.0" #define LOCATION_ID 910 #define INSTRUMENT_ID 654 int analogRead(int i); void xml2stdout(double Ti, double Ta, double To); void adc(); int a0, a1, a2, a3, a4, a5,lp; double a2d,T2,T3,T4,Ts, Tu, Tn; void setup() { } void main() { Ts=0; Tu=0; Tn=0; for (lp=1;lp<10;lp++){ adc(); Ts+=T2; Tu+=T3; Tn+=T4; } Ts=Ts/(lp-1); Tu=Tu/(lp-1); Tn=Tn/(lp-1); //printf("Ti, Ta, To \n"); //printf("%2.1f %2.1f %2.1f\n", Ts, Tu,Tn); xml2stdout(Ts, Tu, Tn); } void adc() { // read all the ADCs // analogReference(DEFAULT); a0 = analogRead(0); a1 = analogRead(1); a2d = analogRead(2)*3.0/4095; T2 = (a2d-0.6)/0.010+0.5; T3 = analogRead(3)*3.0/4095; T3 = (T3-0.6)/0.010+1.0; T4 = analogRead(4)*3.0/4095; T4 = (T4-0.6)/0.010-0.7; a5 = analogRead(5); // display ADC values to console // printf("A0, A1, T2, T3, T4, A5\n"); // printf("%d %d %2.1f %2.1f %2.1f %d\n", a0, a1, T2, T3, T4, a5); // printf("\n"); //delay(1000); sleep(1); } int analogRead(int i){ char path[64]; char ADCBuffer[16]; char ADCBuffer2[16]; char ch[16]; FILE *val; int ADCResult; memset(path, 0, sizeof(path)); sprintf(path, "%s%s%d", ADC_IF_PATH, ADC_IF_FILE , i); val=fopen(path, "r"); fseek(val,0,SEEK_SET); int res = fread(ADCBuffer, 1,sizeof(ADCBuffer),val); fclose(val); ADCBuffer[9] = '\0'; sscanf(ADCBuffer,"%[^':']:%s",ch,ADCBuffer2); ADCResult = atoi(ADCBuffer2); return(ADCResult); // printf("ADC Channel: %d Value: %s %d\n", i, ADCBuffer, ADCResult); } void xml2stdout(double Ti, double Ta, double To){ time_t timer; struct tm *utc; timer = time(NULL); utc = gmtime(&timer); printf("--sndfile\n"); printf("Content-Disposition: form-data; name=\"tempxml\"; filename=\"tempxml.xml\"\n"); printf("Content-Type: text/plain\n\n"); printf("\n"); printf("\n"); printf("%4d-%02d-%02dT%02d:%02d:%02d+0000\n",utc->tm_year + 1900, utc->tm_mon + 1, utc->tm_mday, utc->tm_hour, utc->tm_min, utc->tm_sec); printf("%s\n",DEVICE_NAME); printf("%d\n",LOCATION_ID); printf("%d\n",INSTRUMENT_ID); printf("%2.1f\n",Ti); printf("%2.1f\n",Ta); printf("%2.1f\n",To); printf("%s\n",APP_NAME); printf("\n\n"); printf("--sndfile--\n"); }