Method read

lib/usb/serial.cc:226–236

SerialPort::~SerialPort() {}

void SerialPort::read(uint8_t* buffer, size_t len)
{
    while (len != 0)
    {
        // std::cout << "want " << len << " " << std::flush;
        size_t rlen = this->readImpl(buffer, len);
        // std::cout << "got " << rlen << "\n" << std::flush;
        buffer += rlen;
        len -= rlen;
    }
}

void SerialPort::read(Bytes& bytes)
{