uint32_t ble_hts_is_indication_enabled(ble_hts_t * p_hts, bool * p_indication_enabled)
{
uint32_t err_code;
uint8_t cccd_value_buf[BLE_CCCD_VALUE_LEN];
ble_gatts_value_t gatts_value;
// Initialize value struct.
memset(&gatts_value, 0, sizeof(gatts_value));
gatts_value.len = BLE_CCCD_VALUE_LEN;
gatts_value.offset = 0;
gatts_value.p_value = cccd_value_buf;
err_code = sd_ble_gatts_value_get(p_hts->conn_handle,
p_hts->meas_handles.cccd_handle,
&gatts_value);
if (err_code == NRF_SUCCESS)
{
*p_indication_enabled = ble_srv_is_indication_enabled(cccd_value_buf);
}
if (err_code == BLE_ERROR_GATTS_SYS_ATTR_MISSING)
{
*p_indication_enabled = false;
return NRF_SUCCESS;
}
return err_code;
}
/**@brief check if the cccd is configured
*
* @param[in] p_sc_ctrlpt SC Ctrlpt structure.
* @return true if the sc_control point's cccd is correctly configured, false otherwise.
*/
static bool is_cccd_configured(ble_sc_ctrlpt_t * p_sc_ctrlpt)
{
uint32_t err_code;
uint8_t cccd_value_buf[BLE_CCCD_VALUE_LEN];
bool is_sccp_indic_enabled = false;
ble_gatts_value_t gatts_value;
// Initialize value struct.
memset(&gatts_value, 0, sizeof(gatts_value));
gatts_value.len = BLE_CCCD_VALUE_LEN;
gatts_value.offset = 0;
gatts_value.p_value = cccd_value_buf;
err_code = sd_ble_gatts_value_get(p_sc_ctrlpt->conn_handle,
p_sc_ctrlpt->sc_ctrlpt_handles.cccd_handle,
&gatts_value);
if (err_code != NRF_SUCCESS)
{
// Report error to application
if (p_sc_ctrlpt->error_handler != NULL)
{
p_sc_ctrlpt->error_handler(err_code);
}
}
is_sccp_indic_enabled = ble_srv_is_indication_enabled(cccd_value_buf);
return is_sccp_indic_enabled;
}
static void on_cccd_write(ble_sds_t * p_sds, ble_gatts_evt_write_t * p_evt_write)
{
if ((p_evt_write->len == 2) && (p_sds->evt_handler != NULL))
{
ble_sds_evt_t evt;
// CCCD written, update indication state
if (p_sds->self_def_send_handles.cccd_handle == p_evt_write->handle)
{
if (ble_srv_is_indication_enabled(p_evt_write->data))
{
evt.evt_type = SELF_DEF_SEND_EVT_INDICATION_ENABLED;
}
else
{
evt.evt_type = SELF_DEF_SEND_EVT_INDICATION_DISABLED;
}
}
else
{
//TODO:
}
p_sds->evt_handler(p_sds, &evt);
}
else
{
//TODO:
}
}
uint32_t ble_hts_is_indication_enabled(ble_hts_t * p_hts, bool * p_indication_enabled)
{
uint32_t err_code;
uint8_t cccd_value_buf[BLE_CCCD_VALUE_LEN];
uint16_t len = BLE_CCCD_VALUE_LEN;
err_code = sd_ble_gatts_value_get(p_hts->meas_handles.cccd_handle,
0,
&len,
cccd_value_buf);
if (err_code == NRF_SUCCESS)
{
*p_indication_enabled = ble_srv_is_indication_enabled(cccd_value_buf);
}
return err_code;
}
/**@brief Write event handler.
*
* @param[in] p_ble_evt Event received from the BLE stack.
*/
static void on_write(ble_evt_t const * p_ble_evt)
{
const ble_gatts_evt_write_t * p_evt_write = &p_ble_evt->evt.gatts_evt.params.write;
if (p_evt_write->handle != m_dfu.control_point_char.cccd_handle)
{
return;
}
if (p_evt_write->len == BLE_CCCD_VALUE_LEN)
{
// CCCD written, update indications state
m_dfu.is_ctrlpt_indication_enabled = ble_srv_is_indication_enabled(p_evt_write->data);
NRF_LOG_INFO("Received indication state %d",
m_dfu.is_ctrlpt_indication_enabled);
}
}
/**@brief Handle write events to the Blood Pressure Measurement characteristic.
*
* @param[in] p_hts Health Thermometer Service structure.
* @param[in] p_evt_write Write event received from the BLE stack.
*/
static void on_cccd_write(ble_hts_t * p_hts, ble_gatts_evt_write_t * p_evt_write)
{
if (p_evt_write->len == 2)
{
// CCCD written, update indication state
if (p_hts->evt_handler != NULL)
{
ble_hts_evt_t evt;
if (ble_srv_is_indication_enabled(p_evt_write->data))
{
evt.evt_type = BLE_HTS_EVT_INDICATION_ENABLED;
}
else
{
evt.evt_type = BLE_HTS_EVT_INDICATION_DISABLED;
}
p_hts->evt_handler(p_hts, &evt);
}
}
}
/**@brief check if the cccd is configured
*
* @param[in] p_sc_ctrlpt SC Ctrlpt structure.
* @return true if the sc_control point's cccd is correctly configured, false otherwise.
*/
static bool is_cccd_configured(ble_sc_ctrlpt_t * p_sc_ctrlpt)
{
uint32_t err_code;
uint8_t cccd_value_buf[BLE_CCCD_VALUE_LEN];
uint16_t len = BLE_CCCD_VALUE_LEN;
bool is_sccp_indic_enabled = false;
err_code = sd_ble_gatts_value_get(p_sc_ctrlpt->sc_ctrlpt_handles.cccd_handle,
0,
&len,
cccd_value_buf);
if (err_code != NRF_SUCCESS)
{
// Report error to application
if (p_sc_ctrlpt->error_handler != NULL)
{
p_sc_ctrlpt->error_handler(err_code);
}
}
is_sccp_indic_enabled = ble_srv_is_indication_enabled(cccd_value_buf);
return is_sccp_indic_enabled;
}
