fast-analog-read
robertspark/faster-analog-read/fast-analog-read
Fast read of an analog signal value from board ADC port.
Possible errors:
— Invalid port
fast-analog-read
@/fast-analog-read
Fast read of an analog signal value from board ADC port.
Possible errors:
— Invalid port
PORTport
Analog port to read from. Should start with `A` to succeed.
UPDpulse
Triggers new read
0-1boolean
Sets the input to be between a range of 0-1 (if true) or RAW 0-1023
DONEpulse
Fires on reading complete
VALnumber
The latest read value in range 0 to 1023 ... OR if 0-1 set to true, the range will be 0-1
C++ implementation
#pragma XOD error_raise enable
#pragma XOD require "https://github.com/robertspark/FastAnalogRead"
{{#global}}
#include <avdweb_AnalogReadFast.h>
{{/global}}
struct State {
};
{{ GENERATED_CODE }}
void evaluate(Context ctx) {
if (!isInputDirty<input_UPD>(ctx))
return;
const uint8_t port = getValue<input_PORT>(ctx);
bool raw = getValue<input_0_1>(ctx);
if (!isValidAnalogPort(port)) {
raiseError(ctx);
return;
}
if (raw == true) {
emitValue<output_VAL>(ctx, analogReadFast(port) / 1023.);
emitValue<output_DONE>(ctx, 1);
return;
}
else{
emitValue<output_VAL>(ctx, analogReadFast(port));
emitValue<output_DONE>(ctx, 1);
}
}