C++ (Cpp) aci_gatt_write_charac_value Examples

Example #1

File: bluenrg_sdk_api_host.c Project: JUMA-IO/STM32_Platform

/*host send message*/
tBleStatus ble_host_send(uint8_t type, uint32_t length, uint8_t* value)
{
    tBleStatus ret;
    uint8_t packet[20];
    if(host_notification_enabled == FALSE) {
        return BLE_WAIT_ENABLE_NOTIFY;
    }

    if (length > 18) length = 18;
    packet[0] = type;
    packet[1] = length;
    memcpy(packet + 2, value, length);
    ret = aci_gatt_write_charac_value(connection_handle, write_handle+1, packet[1]+2, packet);
    if (ret != BLE_STATUS_SUCCESS) {
        return BLE_STATUS_ERROR ;
    }
    return ret;
}

Example #2

File: BlueNRGGattClient.cpp Project: ARMmbed/apm-watch-tracker

ble_error_t BlueNRGGattClient::write(GattClient::WriteOp_t    cmd,
                                     Gap::Handle_t            connHandle,
                                     GattAttribute::Handle_t  attributeHandle,
                                     size_t                   length,
                                     const uint8_t           *value) const
{
  /* avoid compiler warnings about unused variables */
  (void)cmd;

  tBleStatus ret;
  
  BlueNRGGattClient *gattc = const_cast<BlueNRGGattClient*>(this);
    
  gattc->_currentState = GATT_WRITE_CHAR;
  
  // We save the write response params (used by the callback) because
  // when the aci_gatt_write_charac_value() is used the only event received is the EVT_BLUE_GATT_PROCEDURE_COMPLETE
  gattc->writeCBParams.connHandle = connHandle;
  gattc->writeCBParams.writeOp = GattWriteCallbackParams::OP_WRITE_CMD;
  gattc->writeCBParams.handle = attributeHandle;
  gattc->writeCBParams.offset = 0;
  gattc->writeCBParams.len = length;
  gattc->writeCBParams.data = value;
  
  ret = aci_gatt_write_charac_value(connHandle, attributeHandle, length, const_cast<uint8_t *>(value));
  //ret = aci_gatt_write_charac_reliable(connHandle, attributeHandle, 0, length, const_cast<uint8_t *>(value));
  
  if (ret == BLE_STATUS_SUCCESS) {
    return BLE_ERROR_NONE;
  }
  switch (ret) {
  case BLE_STATUS_BUSY:
    return BLE_STACK_BUSY;
  default:
    return BLE_ERROR_INVALID_STATE;
  }

}