Reference

API Description

  /**
   * @fn DFRobot_GM60
   * @brief Constructor 
   */
  DFRobot_GM60();
  
  /**
   * @fn begin
   * @brief Init chip
   * @return Boolean type, Indicates the initialization result
   * @retval true The setting succeeded
   * @retval false Setting failed
   */
  bool begin();
  
  /**
   * @fn encode
   * @brief Read the data encoding mode
   * @param encode Encoding mode
                   eGBK,  //gbk encoding
                   eUTF8, //utf8 encoding
   * @return Boolean type, the result of seted
   * @retval true The setting succeeded
   * @retval false Setting failed
  */
  bool encode(eEncode_t encode);
  
  /**
   * @fn setupCode
   * @brief Set code config, the value of chip register can be changed by using the module to scan QR code
   * @param on true (Enable setting code)/false (Disable setting code)
   * @param content true (Output the set code content)/false (Not output the set code content)
   * @return Boolean type, the result of seted
   * @retval true The setting succeeded
   * @retval false Setting failed
  */
  bool setupCode(bool on,bool content);
  
  /**
   * @fn setIdentify
   * @brief Set the available types of QR code for recognition
   * @param berCode 
            eForbidAllBarcode, //Forbid all the QR code recognition
            eEnableAllBarcode, // Enable all the QR code recognition
            eEnableDefaultcode, // Enable the default QR code recognition
   * @return Boolean type, the result of seted
   * @retval true The setting succeeded
   * @retval false Setting failed
  */
  bool setIdentify(eBarCode_t berCode);
  
  /**
   * @fn reset
   * @brief Restore to factory settings
   * @return Boolean type, the result of seted
   * @retval true The setting succeeded
   * @retval false Setting failed
  */
  bool reset();
  
   /**
   * @fn detection
   * @brief Detect the data contained in the scanned QR code
   * @return  return the scanned data as a character string
   */
  String detection();

Communication Protocol Description

The scanner supports UART and I2C communication. For UART, the baud rate is 9600. For I2C, the address is 0x1A.