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try with other nau7802 settings because of rare wrong readings

This commit is contained in:
Joerg Lehmann 2020-07-21 14:27:58 +02:00
parent 7ef7d25693
commit 0aa2c11402
1 changed files with 0 additions and 5 deletions
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mini_beieli_node_nau7802.h
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@ -27,15 +27,10 @@ bool InitializeScales()
result = myScale.reset(); //Reset all registers result = myScale.reset(); //Reset all registers
result &= myScale.powerUp(); //Power on analog and digital sections of the scale result &= myScale.powerUp(); //Power on analog and digital sections of the scale
result &= myScale.setIntPolarityHigh();
result &= myScale.setLDO(NAU7802_LDO_3V3); //Set LDO to 3.3V result &= myScale.setLDO(NAU7802_LDO_3V3); //Set LDO to 3.3V
result &= myScale.setGain(NAU7802_GAIN_128); //Set gain to 128 result &= myScale.setGain(NAU7802_GAIN_128); //Set gain to 128
result &= myScale.setSampleRate(NAU7802_SPS_40); //Set samples per second to 40 result &= myScale.setSampleRate(NAU7802_SPS_40); //Set samples per second to 40
result &= myScale.setRegister(NAU7802_ADC, 0x30); //Turn off CLK_CHP. From 9.1 power on sequencing. result &= myScale.setRegister(NAU7802_ADC, 0x30); //Turn off CLK_CHP. From 9.1 power on sequencing.
result &= myScale.clearBit(NAU7802_PGA_PWR_PGA_CAP_EN, NAU7802_PGA_PWR);
// https://electronics.stackexchange.com/questions/91151/weird-reading-from-nau7802-adc
result &= myScale.setRegister(NAU7802_OTP_B1, 0x30);
result &= myScale.setRegister(NAU7802_PGA, NAU7802_PGA_OUT_EN | NAU7802_PGA_CHP_DIS);
result &= myScale.calibrateAFE(); //Re-cal analog front end when we change gain, sample rate, or channel result &= myScale.calibrateAFE(); //Re-cal analog front end when we change gain, sample rate, or channel