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https://github.com/RobTillaart/Arduino.git
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54 lines
931 B
C++
54 lines
931 B
C++
//
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// FILE: SHT31_I2Cspeed
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// AUTHOR: Rob Tillaart
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// VERSION: 0.0.1
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// PURPOSE: demo
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//
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// HISTORY:
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#include "Wire.h"
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#include "SHT31.h"
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uint32_t start;
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uint32_t stop;
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SHT31 sht;
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void setup()
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{
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Serial.begin(115200);
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Serial.println(__FILE__);
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Serial.print("SHT31_LIB_VERSION: \t");
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Serial.println(SHT31_LIB_VERSION);
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Wire.begin();
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sht.begin(0x44);
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Wire.setClock(100000);
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uint16_t stat = sht.readStatus();
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Serial.print(stat, HEX);
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}
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void loop()
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{
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for (uint32_t I2Cfreq = 100000; I2Cfreq < 900000; I2Cfreq += 50000)
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{
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Serial.print(I2Cfreq/1000);
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Wire.setClock(I2Cfreq);
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test();
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}
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}
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void test()
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{
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start = micros();
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sht.read(true); // default = true/fast slow = false
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stop = micros();
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Serial.print("\t");
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Serial.print(stop - start);
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Serial.print("\t");
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Serial.print(sht.temperature, 1);
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Serial.print("\t");
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Serial.println(sht.humidity, 1);
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delay(100);
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} |