text: /**************************************************************************************************
   
    Shanghai QST Corporation confidential and proprietary. 
    All rights reserved.
  
    IMPORTANT: All rights of this software belong to Shanghai QST 
    Corporation ("QST"). Your use of this Software is limited to those 
    specific rights granted under  the terms of the business contract, the 
    confidential agreement, the non-disclosure agreement and any other forms 
    of agreements as a customer or a partner of QST. You may not use this 
    Software unless you agree to abide by the terms of these agreements. 
    You acknowledge that the Software may not be modified, copied, 
    distributed or disclosed unless embedded on a QST Bluetooth Low Energy 
    (BLE) integrated circuit, either as a product or is integrated into your 
    products.  Other than for the aforementioned purposes, you may not use, 
    reproduce, copy, prepare derivative works of, modify, distribute, perform, 
    display or sell this Software and/or its documentation for any purposes.
  
    YOU FURTHER ACKNOWLEDGE AND AGREE THAT THE SOFTWARE AND DOCUMENTATION ARE
    PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED,
    INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, TITLE,
    NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL
    QST OR ITS SUBSIDIARIES BE LIABLE OR OBLIGATED UNDER CONTRACT,
    NEGLIGENCE, STRICT LIABILITY, CONTRIBUTION, BREACH OF WARRANTY, OR OTHER
    LEGAL EQUITABLE THEORY ANY DIRECT OR INDIRECT DAMAGES OR EXPENSES
    INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL, SPECIAL, INDIRECT, PUNITIVE
    OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF PROCUREMENT
    OF SUBSTITUTE GOODS, TECHNOLOGY, SERVICES, OR ANY CLAIMS BY THIRD PARTIES
    (INCLUDING BUT NOT LIMITED TO ANY DEFENSE THEREOF), OR OTHER SIMILAR COSTS.
    
  **************************************************************************************************/
  
  
  #ifndef BATTSERVICE_H
  #define BATTSERVICE_H
  
  #ifdef __cplusplus
  extern "C"
  {
  #endif
  
  /*********************************************************************
   * INCLUDES
   */
  
  /*********************************************************************
   * CONSTANTS
   */
  
  // Battery Service Get/Set Parameters
  #define BATT_PARAM_LEVEL                0
  #define BATT_PARAM_CRITICAL_LEVEL       1
  #define BATT_PARAM_SERVICE_HANDLE       2
  #define BATT_PARAM_BATT_LEVEL_IN_REPORT 3
  
  // Callback events
  #define BATT_LEVEL_NOTI_ENABLED         1
  #define BATT_LEVEL_NOTI_DISABLED        2
  
  // HID Report IDs for the service
  #define HID_RPT_ID_BATT_LEVEL_IN        4  // Battery Level input report ID
  
  #ifdef HID_VOICE_SPEC
  #define GATT_DESC_LENGTH_UUID            0x3111 // Used with Unit percent
  #endif
  
  
  /*********************************************************************
   * TYPEDEFS
   */
  
  // Battery Service callback function
  typedef void (*battServiceCB_t)(uint8 event);
  
  // Battery measure HW setup function
  typedef void (*battServiceSetupCB_t)(void);
  
  // Battery measure percentage calculation function
  typedef uint8 (*battServiceCalcCB_t)(uint16 adcVal);
  
  // Battery measure HW teardown function
  typedef void (*battServiceTeardownCB_t)(void);
  
  /*********************************************************************
   * MACROS
   */
  
  /*********************************************************************
   * Profile Callbacks
   */
  
  
  /*********************************************************************
   * API FUNCTIONS
   */
  
  /*********************************************************************
   * @fn      Batt_AddService
   *
   * @brief   Initializes the Battery service by registering
   *          GATT attributes with the GATT server.
   *
   * @return  Success or Failure
   */
  extern bStatus_t Batt_AddService( void );
  
  /*********************************************************************
   * @fn      Batt_Register
   *
   * @brief   Register a callback function with the Battery Service.
   *
   * @param   pfnServiceCB - Callback function.
   *
   * @return  None.
   */
  extern void Batt_Register( battServiceCB_t pfnServiceCB );
  
  /*********************************************************************
   * @fn      Batt_SetParameter
   *
   * @brief   Set a Battery Service parameter.
   *
   * @param   param - Profile parameter ID
   * @param   len - length of data to right
   * @param   value - pointer to data to write.  This is dependent on
   *          the parameter ID and WILL be cast to the appropriate
   *          data type (example: data type of uint16 will be cast to
   *          uint16 pointer).
   *
   * @return  bStatus_t
   */
  extern bStatus_t Batt_SetParameter( uint8 param, uint8 len, void *value );
  
  /*********************************************************************
   * @fn      Batt_GetParameter
   *
   * @brief   Get a Battery parameter.
   *
   * @param   param - Profile parameter ID
   * @param   value - pointer to data to get.  This is dependent on
   *          the parameter ID and WILL be cast to the appropriate
   *          data type (example: data type of uint16 will be cast to
   *          uint16 pointer).
   *
   * @return  bStatus_t
   */
  extern bStatus_t Batt_GetParameter( uint8 param, void *value );
  
  /*********************************************************************
   * @fn          Batt_MeasLevel
   *
   * @brief       Measure the battery level and update the battery
   *              level value in the service characteristics.  If
   *              the battery level-state characteristic is configured
   *              for notification and the battery level has changed
   *              since the last measurement, then a notification
   *              will be sent.
   *
   * @return      Success or Failure
   */
  extern bStatus_t Batt_MeasLevel( void );
  
  /*********************************************************************
   * @fn      Batt_Setup
   *
   * @brief   Set up which ADC source is to be used. Defaults to VDD/3.
   *
   * @param   adc_ch - ADC Channel, e.g. HAL_ADC_CHN_AIN6
   * @param   minVal - max battery level
   * @param   maxVal - min battery level
   * @param   sCB - HW setup callback
   * @param   tCB - HW tear down callback
   * @param   cCB - percentage calculation callback
   *
   * @return  none.
   */
  extern void Batt_Setup( uint8 adc_ch, uint16 minVal, uint16 maxVal,
                          battServiceSetupCB_t sCB, battServiceTeardownCB_t tCB,
                          battServiceCalcCB_t cCB );
  
  /*********************************************************************
   * @fn          Batt_HandleConnStatusCB
   *
   * @brief       Battery Service link status change handler function.
   *
   * @param       connHandle - connection handle
   * @param       changeType - type of change
   *
   * @return      none
   */
  void Batt_HandleConnStatusCB( uint16 connHandle, uint8 changeType );
  
  /*********************************************************************
  *********************************************************************/
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* BATTSERVICE_H */
  