6-WIFI&蓝牙(ESP32)转CAN或RS485总线&串口TTL模块-CSDK--设备作为TCP客户端,实现上位机TCP服务器和RS485之间的数据传输

xRingbufferSend(RingbufHandleTxUart1, data, len, pdMS_TO_TICKS(2));
    xTaskNotifyGive(TaskHandleTransmitUart1);//发送通知

            //接收的数据发送到TCP服务器
            tcpClientTransmit_t* tcpClientTransmit = (tcpClientTransmit_t*)malloc(sizeof(tcpClientTransmit_t));
            if(tcpClientTransmit != NULL )
            {
                uint8_t *p_data = (uint8_t *) malloc(len);//待发送数据的个数

                
                memcpy(p_data, uart1_struct.ring_buf_copy, len);//取8字节CAN数据

                tcpClientTransmit->p_data = p_data;
                tcpClientTransmit->data_len = len;//发送数据的个数
                tcpClientTransmit->tcpClient = &tcpClient[0];//使用哪个客户端发送
                /*把消息发送到消息队列*/
                if (xQueueSend(QueueHandleTcpClientTransmit, &tcpClientTransmit, pdMS_TO_TICKS(10)) != pdPASS)
                {
                    free(tcpClientTransmit);
                    free(p_data);
                }
            }