分享一个开源的QT的串口示波器_qt示波器，2024年最新阿里内部Golang应届生就业宝典

1、通信协议格式

2、帧头详细定义

3、串口通信协议

int parse_protocol(protocol_struct* pProtocol,uint16_t parseDataLen)
{
    //解析数据，使用前需提前缓冲 pProtocol->message_st.pData
    int ret = -1;
    uint16_t pos_offset;
    frame_struct* pFrameStruct = &pProtocol->frame_st;
    message_struct* pMessageStruct = &pProtocol->message_st;
    if (check_protocol_heade(pMessageStruct->pData) == PROTOCOL_RESULT_OK)
    {
        //更新帧头数据
        pFrameStruct->header.sof            = pMessageStruct->pData[0];
        //获取data段的数据长度
        pFrameStruct->header.data_length    = (pMessageStruct->pData[2] << 8) | (pMessageStruct->pData[1]);
        pFrameStruct->header.crc_check      = pMessageStruct->pData[3];
        //获取此次数据包长度
        pMessageStruct->data_len = pFrameStruct->header.data_length + PROTOCOL_DATA_OFFSET + 2;
        //计算解析后得到的 data_union 数据长度
        pFrameStruct->frame_user.cmd_data.data_len = (pFrameStruct->header.data_length) / sizeof(data_union);
        if(pMessageStruct->data_len<=parseDataLen)
        {
            if (pMessageStruct->data_len <= pMessageStruct->max_data_len)
            {
                if(CRC16_Check_Sum(&pMessageStruct->pData[0], pMessageStruct->data_len) != 0)
                {
                    pFrameStruct->frame_user.equipment_type = (pMessageStruct->pData[5]<<8) | (pMessageStruct->pData[4]);
                    pFrameStruct->frame_user.equipment_id   = (pMessageStruct->pData[7] << 8) | (pMessageStruct->pData[6]);
                    pFrameStruct->frame_user.data_id        = (pMessageStruct->pData[9] << 8) | (pMessageStruct->pData[8]);
                    //拷贝 data段 指定长度数据
                    ret = (int)memcpy(&pFrameStruct->frame_user.cmd_data.pData[0], &pMessageStruct->pData[PROTOCOL_DATA_OFFSET], pFrameStruct->header.data_length);
                    pos_offset = pFrameStruct->header.data_length + PROTOCOL_DATA_OFFSET;
                    pFrameStruct->frame_tail = (pMessageStruct->pData[pos_offset+1] << 8) | (pMessageStruct->pData[pos_offset]);
                    return PROTOCOL_RESULT_OK;
                }
                else
                {
                    //待解析BUFF超过预定解析数据容量，避免内存越界
                    PROTOCOL_ERROR_PRINTF("parse_protocol->>CRC16_Check_Sum err!\n");
                    return PROTOCOL_RESULT_CHECK_FRAME_ERR;
                }
            }
            else
            {
                //待解析BUFF超过预定解析数据容量，避免内存越界
                PROTOCOL_ERROR_PRINTF("parse_protocol->>data_len[%d] > max_data_len[%d]!\n",
                    pMessageStruct->data_len,
                    pMessageStruct->max_data_len);
                return PROTOCOL_RESULT_OUT_OF_LEN;
            }
        }
        else
        {
            //通过包头计算，还未收到完整的数据包
//            PROTOCOL_ERROR_PRINTF("parse_protocol->>data_len[%d] > max_data_len[%d]!\n",
//                pMessageStruct->data_len,
//                pMessageStruct->max_data_len);
            return PROTOCOL_RESULT_OUT_OF_LEN;
        }
    }
    else
    {
        //待解析BUFF超过预定解析数据容量，避免内存越界
        PROTOCOL_ERROR_PRINTF("parse_protocol->>check_protocol_heade err!\n");


![img](https://p9-xtjj-sign.byteimg.com/tos-cn-i-73owjymdk6/3065d96334bb41c49c13f8cdae758761~tplv-73owjymdk6-jj-mark-v1:0:0:0:0:5o6Y6YeR5oqA5pyv56S-5Yy6IEAg5py65Zmo5a2m5Lmg5LmL5b-DQUk=:q75.awebp?rk3s=f64ab15b&x-expires=1771867483&x-signature=2kqfwA9%2By53Gy7R4Mb7syyDdBdQ%3D)
![img](https://p9-xtjj-sign.byteimg.com/tos-cn-i-73owjymdk6/1bb480bc8a9e4ba283469431a6813fa8~tplv-73owjymdk6-jj-mark-v1:0:0:0:0:5o6Y6YeR5oqA5pyv56S-5Yy6IEAg5py65Zmo5a2m5Lmg5LmL5b-DQUk=:q75.awebp?rk3s=f64ab15b&x-expires=1771867483&x-signature=lKGK4oSyPUgL6K0eX7AMOlL0Ip0%3D)
![img](https://p9-xtjj-sign.byteimg.com/tos-cn-i-73owjymdk6/7c6fc1d62b4041e693c9be6995da1429~tplv-73owjymdk6-jj-mark-v1:0:0:0:0:5o6Y6YeR5oqA5pyv56S-5Yy6IEAg5py65Zmo5a2m5Lmg5LmL5b-DQUk=:q75.awebp?rk3s=f64ab15b&x-expires=1771867483&x-signature=6i1Wjn%2FYQ73tp6BTeu9CRn8h4Ic%3D)

**既有适合小白学习的零基础资料，也有适合3年以上经验的小伙伴深入学习提升的进阶课程，涵盖了95%以上Go语言开发知识点，真正体系化！**

**由于文件比较多，这里只是将部分目录截图出来，全套包含大厂面经、学习笔记、源码讲义、实战项目、大纲路线、讲解视频，并且后续会持续更新**

**[如果你需要这些资料，可以戳这里获取](https://gitee.com/vip204888)**