Ejemplo n.º 1
0
/*******************************************************************************
**
** Function         gatt_cl_send_next_cmd_inq
**
** Description      Find next command in queue and sent to server
**
** Returns          TRUE if command sent, otherwise FALSE.
**
*******************************************************************************/
BOOLEAN gatt_cl_send_next_cmd_inq(tGATT_TCB *p_tcb)
{
    tGATT_CMD_Q  *p_cmd = &p_tcb->cl_cmd_q[p_tcb->pending_cl_req];
    BOOLEAN     sent = FALSE;
    UINT8       rsp_code;
    tGATT_CLCB   *p_clcb = NULL;
    tGATT_STATUS att_ret = GATT_SUCCESS;

    while (!sent &&
           p_tcb->pending_cl_req != p_tcb->next_slot_inq &&
           p_cmd->to_send && p_cmd->p_cmd != NULL)
    {
        att_ret = attp_send_msg_to_l2cap(p_tcb, p_cmd->p_cmd);

        if (att_ret == GATT_SUCCESS || att_ret == GATT_CONGESTED)
        {
            sent = TRUE;
            p_cmd->to_send = FALSE;
            p_cmd->p_cmd = NULL;

            /* dequeue the request if is write command or sign write */
            if (p_cmd->op_code != GATT_CMD_WRITE && p_cmd->op_code != GATT_SIGN_CMD_WRITE)
            {
                gatt_start_rsp_timer (p_cmd->clcb_idx);
            }
            else
            {
                p_clcb = gatt_cmd_dequeue(p_tcb, &rsp_code);

                /* if no ack needed, keep sending */
                if (att_ret == GATT_SUCCESS)
                    sent = FALSE;

                p_cmd = &p_tcb->cl_cmd_q[p_tcb->pending_cl_req];
                /* send command complete callback here */
                gatt_end_operation(p_clcb, att_ret, NULL);
            }
        }
        else
        {
            GATT_TRACE_ERROR("gatt_cl_send_next_cmd_inq: L2CAP sent error");

            memset(p_cmd, 0, sizeof(tGATT_CMD_Q));
            p_tcb->pending_cl_req ++;
            p_cmd = &p_tcb->cl_cmd_q[p_tcb->pending_cl_req];
        }

    }
    return sent;
}
Ejemplo n.º 2
0
/*******************************************************************************
**
** Function         gatt_client_handle_server_rsp
**
** Description      This function is called to handle the server response to
**                  client.
**
**
** Returns          void
**
*******************************************************************************/
void gatt_client_handle_server_rsp (tGATT_TCB *p_tcb, UINT8 op_code,
                                    UINT16 len, UINT8 *p_data)
{
    tGATT_CLCB   *p_clcb = NULL;
    UINT8        rsp_code;

    if (op_code != GATT_HANDLE_VALUE_IND && op_code != GATT_HANDLE_VALUE_NOTIF) {
        p_clcb = gatt_cmd_dequeue(p_tcb, &rsp_code);

        rsp_code = gatt_cmd_to_rsp_code(rsp_code);

        if (p_clcb == NULL || (rsp_code != op_code && op_code != GATT_RSP_ERROR)) {
            GATT_TRACE_WARNING ("ATT - Ignore wrong response. Receives (%02x) \
                                Request(%02x) Ignored", op_code, rsp_code);

            return;
        } else {