/**
* Enables indications on a specified Client Characteristic Configuration attribute
* Writing the value 0x0002 (little-endian) enables indications.
* Writing the value 0x0001 (little-endian) enables notifications.
* @param connection_handle Handle for open connection to use (always "0" in this demo)
* @param client_configuration_handle 16-bit attribute handle of CCC attribute, used for subscribing to indications
*/
void enable_indications(uint8 connection_handle, uint16 client_configuration_handle)
{
ble_cmd_sm_encrypt_start(connection_handle, 1); // encrpyt connection (not strictly required)
uint8 configuration[] = {0x01, 0x00}; // {0x01, 0x00} = notify, {0x02, 0x00} indicate
ble_cmd_attclient_attribute_write(connection_handle, drone_handle_configuration, 2, &configuration);
}
/**
* "attclient_find_information_found" event handler
* Occurs whenever an information search has returned a new entry (e.g. attribute)
* (see "attclient_find_information" in API reference guide)
*
* @param msg Event packet data payload
*/
void ble_evt_attclient_find_information_found(const struct ble_msg_attclient_find_information_found_evt_t *msg)
{
//TODO: add different rule for 16
if (msg->uuid.len == 2 || msg->uuid.len == 16) {
uint32 uuid = (msg->uuid.data[1] << 8) | msg->uuid.data[0];
if (uuid == DRONE_DATA_CONFIG_UUID) {
drone_handle_configuration = msg->chrhandle;
} else if (uuid == DRONE_DATA_UUID) {
drone_handle_measurement = msg->chrhandle;
} else if (uuid == DRONE_BROADCAST_UUID) {
drone_handle_broadcast = msg->chrhandle;
// Handle for Drone Data configuration already known
if (action == action_broadcast_connect) {
unsigned char var[] = {1};
printf("Request sent: %d\n", var[0]);
ble_cmd_attclient_attribute_write(msg->connection, drone_handle_broadcast, 1, &var);
}
}
}
}
void enable_indications(uint8 connection_handle, uint16 client_configuration_handle)
{
uint8 configuration[] = {0x02, 0x00}; // enable indications
ble_cmd_attclient_attribute_write(connection_handle, thermometer_handle_configuration, 2, &configuration);
}
