This example measure ambient temperature and humidity using the TH-1-SHT peripheral board and sends the results in human readable form to the RS232 Serial port of the MINI-MAX/51 board. Results are displayed as degrees Celsius and percent humidity ( relative humidity ).
Toolkit:Micro C 8051 Development System
Location:\bipom\devtools\microc\examples\8051\medium\SHT7x
for(;;) { // Read raw temperature value from Sensirion ec = SHT_Measure( &temperature, &cs, MEASURE_TEMP ); if( ec ) { printf ("\n ERROR Reading Temperature"); continue; } // Read raw humidity value from Sensirion ec = SHT_Measure( &humidity, &cs, MEASURE_HUMI ); if( ec ) { printf ("\n ERROR Reading Humidity"); continue; } //printf ("\n 14-bit temperature: 0x%04x",temperature); //printf ("\n 12-bit humidity : 0x%04x",humidity); // Convert raw values to human readable form SHT_Calculate(&temperature, &humidity); printf ("\n Temperature: "); if ( temperature & 0x8000) printf ("-"); else printf ("+"); temperature &=(~0x8000); // Display temperature as Celcius printf ("%d.%dC", temperature10, temperature%10 ); // Display humidity as RH% printf ("\n Humidity : %d.%d%%", humidity10, humidity%10 ); // Wait a little bit before next measurement delay(2000); }