bool nRF51822::unsubcribeRemoteCharacteristic(BLERemoteCharacteristic& characteristic) {
bool success = false;
for (int i = 0; i < this->_numRemoteCharacteristics; i++) {
if (this->_remoteCharacteristicInfo[i].characteristic == &characteristic) {
if (this->_remoteCharacteristicInfo[i].valueHandle &&
(this->_remoteCharacteristicInfo[i].properties.notify || this->_remoteCharacteristicInfo[i].properties.indicate)) {
ble_gattc_write_params_t writeParams;
uint16_t value = 0x0000;
writeParams.write_op = BLE_GATT_OP_WRITE_REQ;
#ifndef __RFduino__
writeParams.flags = 0;
#endif
writeParams.handle = (this->_remoteCharacteristicInfo[i].valueHandle + 1); // don't discover descriptors for now
writeParams.offset = 0;
writeParams.len = sizeof(value);
writeParams.p_value = (uint8_t*)&value;
this->_remoteRequestInProgress = true;
success = (sd_ble_gattc_write(this->_connectionHandle, &writeParams) == NRF_SUCCESS);
}
break;
}
}
return success;
}
/**@brief Function for passing any pending request from the buffer to the stack.
*/
static void tx_buffer_process(void)
{
if (m_tx_index != m_tx_insert_index)
{
uint32_t err_code;
if (m_tx_buffer[m_tx_index].type == READ_REQ)
{
err_code = sd_ble_gattc_read(m_tx_buffer[m_tx_index].conn_handle,
m_tx_buffer[m_tx_index].req.read_handle,
0);
}
else
{
err_code = sd_ble_gattc_write(m_tx_buffer[m_tx_index].conn_handle,
&m_tx_buffer[m_tx_index].req.write_req.gattc_params);
}
if (err_code == NRF_SUCCESS)
{
LOG("[BAS_C]: SD Read/Write API returns Success..\r\n");
m_tx_index++;
m_tx_index &= TX_BUFFER_MASK;
}
else
{
LOG("[BAS_C]: SD Read/Write API returns error. This message sending will be "
"attempted again..\r\n");
}
}
}
/**@brief Function for creating a message for writing to the CCCD.
*/
static uint32_t cccd_configure(uint16_t conn_handle, uint16_t cccd_handle, bool enable)
{
uint8_t buf[BLE_CCCD_VALUE_LEN];
buf[0] = enable ? BLE_GATT_HVX_NOTIFICATION : 0;
buf[1] = 0;
const ble_gattc_write_params_t write_params = {
.write_op = BLE_GATT_OP_WRITE_REQ,
.flags = BLE_GATT_EXEC_WRITE_FLAG_PREPARED_WRITE,
.handle = cccd_handle,
.offset = 0,
.len = sizeof(buf),
.p_value = buf
};
return sd_ble_gattc_write(conn_handle, &write_params);
}
uint32_t ble_nus_c_rx_notif_enable(ble_nus_c_t * p_ble_nus_c)
{
VERIFY_PARAM_NOT_NULL(p_ble_nus_c);
if ( (p_ble_nus_c->conn_handle == BLE_CONN_HANDLE_INVALID)
||(p_ble_nus_c->handles.nus_rx_cccd_handle == BLE_GATT_HANDLE_INVALID)
)
{
return NRF_ERROR_INVALID_STATE;
}
return cccd_configure(p_ble_nus_c->conn_handle,p_ble_nus_c->handles.nus_rx_cccd_handle, true);
}
bool nRF51822::writeRemoteCharacteristic(BLERemoteCharacteristic& characteristic, const unsigned char value[], unsigned char length) {
bool success = false;
for (int i = 0; i < this->_numRemoteCharacteristics; i++) {
if (this->_remoteCharacteristicInfo[i].characteristic == &characteristic) {
if (this->_remoteCharacteristicInfo[i].valueHandle &&
(this->_remoteCharacteristicInfo[i].properties.write_wo_resp || this->_remoteCharacteristicInfo[i].properties.write) &&
(this->_txBufferCount > 0)) {
ble_gattc_write_params_t writeParams;
writeParams.write_op = (this->_remoteCharacteristicInfo[i].properties.write) ? BLE_GATT_OP_WRITE_REQ : BLE_GATT_OP_WRITE_CMD;
#ifndef __RFduino__
writeParams.flags = 0;
#endif
writeParams.handle = this->_remoteCharacteristicInfo[i].valueHandle;
writeParams.offset = 0;
writeParams.len = length;
writeParams.p_value = (uint8_t*)value;
this->_remoteRequestInProgress = true;
this->_txBufferCount--;
success = (sd_ble_gattc_write(this->_connectionHandle, &writeParams) == NRF_SUCCESS);
}
break;
}
}
return success;
}
/*Send the updated ctrls to the Ms. Pacman node*/
static void sendToMsPacman(MsPacmanCtrls ms_pacman)
{
ble_gattc_write_params_t write_params = {0};
uint8_t ms_pacman_buf[BLE_MS_PACMAN_CHARACTERISTIC_SIZE];
//Find the Ms. Pacman node
uint32_t node_ndx = client_find_node(MS_PACMAN_NODE);
client_t ms_pacman_node = m_client[node_ndx];
//Don't do anything if Ms. Pacman isn't connected
if(ms_pacman_node.state == IDLE)
{
return;
}
//Fill in the buffer with the appropriate values
ms_pacman_buf[BLE_MS_PACMAN_OFFSET_ARROW] = ms_pacman.arrow_direction;
ms_pacman_buf[BLE_MS_PACMAN_OFFSET_BUTTON_A] = ms_pacman.button_a;
ms_pacman_buf[BLE_MS_PACMAN_OFFSET_BUTTON_B] = ms_pacman.button_b;
/* Central writes to CCCD of peripheral to receive indications */
write_params.write_op = BLE_GATT_OP_WRITE_REQ;
write_params.handle = ms_pacman_node.srv_db.services[0].charateristics[ms_pacman_node.char_index].characteristic.handle_value;
write_params.offset = 0;
write_params.len = BLE_MS_PACMAN_CHARACTERISTIC_SIZE;
write_params.p_value = ms_pacman_buf;
sd_ble_gattc_write(ms_pacman_node.srv_db.conn_handle, &write_params);
}
//Throws different errors that must be handeled
u32 GATTController::bleWriteCharacteristic(u16 connectionHandle, u16 characteristicHandle, u8* data, u16 dataLength, bool reliable)
{
u32 err = 0;
u8 t = ((connPacketHeader*)data)->messageType;
if( t != 20 && t != 21 && t != 22 && t != 23 && t != 30 && t != 31 && t != 50 && t != 51 && t != 52 && t != 53 && t != 56 && t != 57 && t != 60 && t != 61 && t != 62 && t != 80 && t != 81){
logt("ERROR", "BOOOOOOH, WRONG DATAAAAAAAAAAAAAAAAA!!!!!!!!!");
}
logt("CONN_DATA", "Data size is: %d, handles(%d, %d), reliable %d", dataLength, connectionHandle, characteristicHandle, reliable);
char stringBuffer[100];
Logger::getInstance().convertBufferToHexString(data, dataLength, stringBuffer, 100);
logt("CONN_DATA", "%s", stringBuffer);
//Configure the write parameters with reliable/unreliable, writehandle, etc...
ble_gattc_write_params_t writeParameters;
memset(&writeParameters, 0, sizeof(ble_gattc_write_params_t));
writeParameters.handle = characteristicHandle;
writeParameters.offset = 0;
writeParameters.len = dataLength;
writeParameters.p_value = data;
if (reliable)
{
writeParameters.write_op = BLE_GATT_OP_WRITE_REQ;
err = sd_ble_gattc_write(connectionHandle, &writeParameters);
return err;
}
else
{
writeParameters.write_op = BLE_GATT_OP_WRITE_CMD;
err = sd_ble_gattc_write(connectionHandle, &writeParameters);
return err;
}
}
/**@brief Function for performing a Write procedure.
*
* @param[in] conn_handle Handle of the connection on which to perform the write operation.
* @param[in] write_handle Handle of the attribute to be written.
* @param[in] length Length of data to be written.
* @param[in] p_value Data to be written.
*
* @return NRF_SUCCESS on success, otherwise an error code.
*/
static uint32_t write_characteristic_value(uint16_t conn_handle,
uint16_t write_handle,
uint16_t length,
uint8_t * p_value)
{
ble_gattc_write_params_t write_params;
memset(&write_params, 0, sizeof(write_params));
write_params.handle = write_handle;
write_params.write_op = BLE_GATT_OP_WRITE_CMD;
write_params.offset = 0;
write_params.len = length;
write_params.p_value = p_value;
return sd_ble_gattc_write(conn_handle, &write_params);
}
uint32_t ble_nus_c_string_send(ble_nus_c_t * p_ble_nus_c, uint8_t * p_string, uint16_t length)
{
VERIFY_PARAM_NOT_NULL(p_ble_nus_c);
if (length > BLE_NUS_MAX_DATA_LEN)
{
NRF_LOG_WARNING("Content too long.\r\n");
return NRF_ERROR_INVALID_PARAM;
}
if (p_ble_nus_c->conn_handle == BLE_CONN_HANDLE_INVALID)
{
NRF_LOG_WARNING("Connection handle invalid.\r\n");
return NRF_ERROR_INVALID_STATE;
}
ble_gattc_write_params_t const write_params = {
.write_op = BLE_GATT_OP_WRITE_CMD,
.flags = BLE_GATT_EXEC_WRITE_FLAG_PREPARED_WRITE,
.handle = p_ble_nus_c->handles.nus_rx_handle,
.offset = 0,
.len = length,
.p_value = p_string
};
return sd_ble_gattc_write(p_ble_nus_c->conn_handle, &write_params);
}
uint32_t ble_nus_c_handles_assign(ble_nus_c_t * p_ble_nus,
const uint16_t conn_handle,
const ble_nus_c_handles_t * p_peer_handles)
{
VERIFY_PARAM_NOT_NULL(p_ble_nus);
p_ble_nus->conn_handle = conn_handle;
if (p_peer_handles != NULL)
{
p_ble_nus->handles.nus_tx_cccd_handle = p_peer_handles->nus_tx_cccd_handle;
p_ble_nus->handles.nus_tx_handle = p_peer_handles->nus_tx_handle;
p_ble_nus->handles.nus_rx_handle = p_peer_handles->nus_rx_handle;
}
return NRF_SUCCESS;
}
/**@brief Function for handling enabling notifications.
*
* @param[in] p_client Client context information.
*/
static void notif_enable(client_t * p_client)
{
uint32_t err_code;
ble_gattc_write_params_t write_params;
uint8_t buf[BLE_CCCD_VALUE_LEN];
p_client->state = STATE_NOTIF_ENABLE;
buf[0] = BLE_GATT_HVX_NOTIFICATION;
buf[1] = 0;
write_params.write_op = BLE_GATT_OP_WRITE_REQ;
write_params.handle = p_client->srv_db.services[0].charateristics[p_client->char_index].cccd_handle;
write_params.offset = 0;
write_params.len = sizeof(buf);
write_params.p_value = buf;
err_code = sd_ble_gattc_write(p_client->srv_db.conn_handle, &write_params);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for passing any pending request from the buffer to the stack.
*/
static void tx_buffer_process(void)
{
if (m_tx_index != m_tx_insert_index)
{
uint32_t err_code;
if (m_tx_buffer[m_tx_index].type == READ_REQ)
{
err_code = sd_ble_gattc_read(m_tx_buffer[m_tx_index].conn_handle,
m_tx_buffer[m_tx_index].req.read_handle,
0);
}
else
{
err_code = sd_ble_gattc_write(m_tx_buffer[m_tx_index].conn_handle,
&m_tx_buffer[m_tx_index].req.write_req.gattc_params);
}
if (err_code == NRF_SUCCESS)
{
++m_tx_index;
m_tx_index &= TX_BUFFER_MASK;
}
}
}
uint32_t ble_nus_c_string_send(ble_nus_c_t * p_ble_nus_c, uint8_t * p_string, uint16_t length)
{
VERIFY_PARAM_NOT_NULL(p_ble_nus_c);
if (length > BLE_NUS_MAX_DATA_LEN)
{
return NRF_ERROR_INVALID_PARAM;
}
if ( p_ble_nus_c->conn_handle == BLE_CONN_HANDLE_INVALID)
{
return NRF_ERROR_INVALID_STATE;
}
const ble_gattc_write_params_t write_params = {
.write_op = BLE_GATT_OP_WRITE_CMD,
.flags = BLE_GATT_EXEC_WRITE_FLAG_PREPARED_WRITE,
.handle = p_ble_nus_c->nus_tx_handle,
.offset = 0,
.len = length,
.p_value = p_string
};
return sd_ble_gattc_write(p_ble_nus_c->conn_handle, &write_params);
}
/**@brief Function for creating a message for writing to the CCCD.
*/
static uint32_t cccd_configure(uint16_t conn_handle, uint16_t cccd_handle, bool enable)
{
uint8_t buf[BLE_CCCD_VALUE_LEN];
buf[0] = enable ? BLE_GATT_HVX_NOTIFICATION : 0;
buf[1] = 0;
const ble_gattc_write_params_t write_params = {
.write_op = BLE_GATT_OP_WRITE_REQ,
.flags = BLE_GATT_EXEC_WRITE_FLAG_PREPARED_WRITE,
.handle = cccd_handle,
.offset = 0,
.len = sizeof(buf),
.p_value = buf
};
return sd_ble_gattc_write(conn_handle, &write_params);
}
uint32_t ble_nus_c_rx_notif_enable(ble_nus_c_t * p_ble_nus_c)
{
if (p_ble_nus_c == NULL)
{
return NRF_ERROR_NULL;
}
if ( (p_ble_nus_c->conn_handle == BLE_CONN_HANDLE_INVALID)
||(p_ble_nus_c->nus_rx_cccd_handle == BLE_GATT_HANDLE_INVALID)
)
{
return NRF_ERROR_INVALID_STATE;
}
return cccd_configure(p_ble_nus_c->conn_handle,p_ble_nus_c->nus_rx_cccd_handle, true);
}
uint32_t ble_nus_c_string_send(ble_nus_c_t * p_ble_nus_c, uint8_t * p_string, uint16_t length)
{
if (p_ble_nus_c == NULL)
{
return NRF_ERROR_NULL;
}
if (length > BLE_NUS_MAX_DATA_LEN)
{
return NRF_ERROR_INVALID_PARAM;
}
if ( p_ble_nus_c->conn_handle == BLE_CONN_HANDLE_INVALID)
{
return NRF_ERROR_INVALID_STATE;
}
const ble_gattc_write_params_t write_params = {
.write_op = BLE_GATT_OP_WRITE_CMD,
.flags = BLE_GATT_EXEC_WRITE_FLAG_PREPARED_WRITE,
.handle = p_ble_nus_c->nus_tx_handle,
.offset = 0,
.len = length,
.p_value = p_string
};
return sd_ble_gattc_write(p_ble_nus_c->conn_handle, &write_params);
}
