add-checksum

C++ implementation

struct State {
};

{{ GENERATED_CODE }}

void evaluate(Context ctx) {

    uint16_t sum = 0;

    auto _packet = getValue<input_IN>(ctx);

    for(uint8_t i = 0; i < (_packet.bufferSize - 1); i++){
        sum += _packet.buffer[i];
    }

    uint8_t checksumByte = getValue<input_CSB>(ctx);
    _packet.buffer[_packet.bufferSize - 1] = sum & checksumByte;

    emitValue<output_OUT>(ctx, _packet);
}