read-adc-single-ended
wayland/ads1115/read-adc-single-ended
Gets a single-ended ADC reading from the specified channel.
read-adc-single-ended
@/read-adc-single-ended
Gets a single-ended ADC reading from the specified channel.
DEV@/ads1115-device
An ADS1115 device.
CHLbyte
Channel. 00h=ADC0, 01h=ADC1, 02h=ADC2, 03h=ADC3.
UPDpulse
Update
Donepulse
Pulse on read.
Valuenumber
ADC reading in raw counts.
C++ implementation
node {
void evaluate(Context ctx) {
// The node responds only if there is an input pulse
if (!isInputDirty<input_UPD>(ctx))
return;
// Get a pointer to the `Adafruit_ADS1115` class instance
auto sensor = getValue<input_DEV>(ctx);
uint8_t chl = getValue<input_CHL>(ctx);
emitValue<output_Value>(ctx, sensor->readADC_SingleEnded(chl));
emitValue<output_Done>(ctx, 1);
}
}