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Add 3ms delay before read sequence #24

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merged 1 commit into from
Jun 2, 2021
Merged

Add 3ms delay before read sequence #24

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6 changes: 6 additions & 0 deletions src/SparkFun_SCD30_Arduino_Library.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -266,6 +266,8 @@ bool SCD30::readMeasurement()
if (_i2cPort->endTransmission() != 0)
return (0); //Sensor did not ACK

delay(3);

const uint8_t receivedBytes = _i2cPort->requestFrom((uint8_t)SCD30_ADDRESS, (uint8_t)18);
bool error = false;
if (_i2cPort->available())
Expand Down Expand Up @@ -358,6 +360,8 @@ bool SCD30::getSettingValue(uint16_t registerAddress, uint16_t *val)
if (_i2cPort->endTransmission() != 0)
return (false); //Sensor did not ACK

delay(3);

_i2cPort->requestFrom((uint8_t)SCD30_ADDRESS, (uint8_t)3); // Request data and CRC
if (_i2cPort->available())
{
Expand Down Expand Up @@ -389,6 +393,8 @@ uint16_t SCD30::readRegister(uint16_t registerAddress)
if (_i2cPort->endTransmission() != 0)
return (0); //Sensor did not ACK

delay(3);

_i2cPort->requestFrom((uint8_t)SCD30_ADDRESS, (uint8_t)2);
if (_i2cPort->available())
{
Expand Down