uint32_t ble_rpc_cmd_resp_send(uint8_t op_code, uint32_t status)
{
uint8_t * p_buffer;
uint32_t err_code;
uint32_t index = 0;
// Allocate a memory buffer from HCI transport layer for transmitting the Command Response.
// Loop until a buffer is available.
do
{
err_code = hci_transport_tx_alloc(&p_buffer);
}
while (err_code == NRF_ERROR_NO_MEM);
if (err_code == NRF_SUCCESS)
{
// Encode packet type.
p_buffer[index++] = BLE_RPC_PKT_RESP;
// Encode Op Code.
p_buffer[index++] = op_code;
// Encode Status.
index += uint32_encode(status, &(p_buffer[RPC_CMD_RESP_STATUS_POS]));
return hci_transport_pkt_write(p_buffer, index);
}
return err_code;
}
uint32_t ble_rpc_cmd_encoder_init(void)
{
// Allocate memory for serialized commands. This module will use the same memory for all
// commands.
uint32_t err_code;
err_code = hci_transport_tx_done_register(transport_tx_complete_handler);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
return (hci_transport_tx_alloc(&g_cmd_buffer));
}
uint32_t ble_rpc_cmd_resp_data_send(uint8_t op_code,
uint8_t status,
const uint8_t * const p_data,
uint16_t data_len)
{
uint8_t * p_buffer;
uint32_t err_code;
uint32_t index = 0;
// Allocate a memory buffer from HCI transport layer for transmitting the Command Response.
// Loop until a buffer is available.
do
{
err_code = hci_transport_tx_alloc(&p_buffer);
}
while (err_code == NRF_ERROR_NO_MEM);
if (err_code == NRF_SUCCESS)
{
// Encode packet type.
p_buffer[index++] = BLE_RPC_PKT_RESP;
// Encode Op Code.
p_buffer[index++] = op_code;
// Encode Status.
index += uint32_encode(status, &(p_buffer[index]));
// Additional data in response packet.
memcpy(&p_buffer[index], p_data, data_len);
index += data_len;
return hci_transport_pkt_write(p_buffer, index);
}
return err_code;
}
