// // FILE: SHT2x_I2Cspeed // AUTHOR: Rob Tillaart // PURPOSE: testing the performance at different I2C speeds // URL: https://github.com/RobTillaart/SHT2x #include "Wire.h" #include "SHT2x.h" uint32_t start; uint32_t stop; SHT2x sht; void setup() { Serial.begin(115200); Serial.println(__FILE__); Serial.print("SHT2x_LIB_VERSION: \t"); Serial.println(SHT2x_LIB_VERSION); sht.begin(); uint8_t stat = sht.getStatus(); Serial.print(stat, HEX); Serial.println(); } void loop() { for (uint32_t I2Cfreq = 100000; I2Cfreq < 600000; I2Cfreq += 50000) { Serial.print(I2Cfreq / 1000); Wire.setClock(I2Cfreq); test(); } } void test() { start = micros(); sht.read(); stop = micros(); Serial.print("\t"); Serial.print(stop - start); Serial.print("\t"); Serial.print(sht.getTemperature(), 1); Serial.print("\t"); Serial.println(sht.getHumidity(), 1); delay(1000); } // -- END OF FILE --