Squirrel class for logging via UART

Logger.class.nut

class Logger {
    _serial = null;
    
    constructor (impUART) {
        if (impUART != null) {
            _serial = impUART;
            _serial.configure(115200, 8, PARITY_NONE, 1, NO_RX);
        }
    }
    
    function write(message = "") {
        if (message == "" || message == null) return;
        local now = date();
        local timestamp = format("%u-%u-%u %u:%u ", now.year, now.month, now.day, now.hour, now.min);
        _serial.write(timestamp + message + "\r\n");
    }
}