/* Command response callback function for sd_ble_gattc_read BLE command. 
Callback for decoding the command response return code. */
static uint32_t gattc_read_rsp_dec(const uint8_t *p_buffer, uint16_t length)
/* Command response callback function for sd_ble_gattc_read BLE command. 
Callback for decoding the command response return code. */
static uint32_t gattc_read_rsp_dec(const uint8_t *p_buffer, uint16_t length)
{
    uint32_t result_code;
    const uint32_t err_code = ble_gattc_read_rsp_dec(p_buffer, length, &result_code);
    APP_ERROR_CHECK(err_code);
    return result_code;
}