is-available
xod/uart/is-available
Checks does UART have an available bytes to read
is-available
@/is-available
Checks does UART have an available bytes to read
UART@/uart
An UART object
UPDpulse
Check does UART have an available bytes to read
Npulse
Pulses when there is nothing to read from UART
Ypulse
Pulses when UART have available bytes
C++ implementation
#pragma XOD evaluate_on_pin disable
#pragma XOD evaluate_on_pin enable input_UPD
node {
void evaluate(Context ctx) {
if (!isInputDirty<input_UPD>(ctx))
return;
auto uart = getValue<input_UART>(ctx);
bool available = uart->available();
if (available) {
emitValue<output_Y>(ctx, 1);
} else {
emitValue<output_N>(ctx, 1);
}
}
}