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add setchannel

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This commit is contained in:
ladyada 2025-06-04 16:40:50 -04:00
parent 890031c9f1
commit ad26ad425f
2 changed files with 19 additions and 0 deletions
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18
Adafruit_NAU7802.cpp
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@ -147,6 +147,24 @@ bool Adafruit_NAU7802::available(void) {
return conv_ready.read();
}
/**************************************************************************/
/*!
@brief Set which channel for ADC
@param channel Set to 0 for CH1, 1 for CH2
@returns False if any I2C error occured
*/
/**************************************************************************/
bool Adafruit_NAU7802::setChannel(uint8_t channel) {
if (channel > 1)
channel = 1;
Adafruit_I2CRegister ctrl2_reg = Adafruit_I2CRegister(i2c_dev, NAU7802_CTRL2);
Adafruit_I2CRegisterBits ch_select =
Adafruit_I2CRegisterBits(&ctrl2_reg, 1, 7); // # bits, bit_shift
return ch_select.write(channel);
}
/**************************************************************************/
/*!
@brief Read the stored 24-bit ADC output value.

1
Adafruit_NAU7802.h
View file

@ -85,6 +85,7 @@ public:
bool available(void);
int32_t read(void);
bool setChannel(uint8_t channel);
bool setLDO(NAU7802_LDOVoltage voltage);
NAU7802_LDOVoltage getLDO(void);
bool setGain(NAU7802_Gain gain);