基于YMODEM协议的串口IAP升级固件
本文重点探讨基于YMODEM协议的串口IAP（In-Application Programming）升级固件的实现方式。串口IAP是一种软件升级技术，允许用户在不更换硬件的前提下更新嵌入式设备中的固件。YMODEM协议作为一种数据传输协议，因其简单可靠而广泛用于固件升级过程中。
一、YMODEM协议介绍
YMODEM协议是在XMODEM协议基础上发展起来的一种文件传输协议。与XMODEM相比，YMODEM支持更大的数据块，这使得文件传输速度更快，效率更高。YMODEM协议采用1024字节的数据块大小，支持多种文件类型的传输，并具备良好的错误检测和恢复能力。
二、串口IAP升级原理
串口IAP升级是指通过串口通信将新的固件代码下载到设备的非易失性存储器中，如Flash存储器。升级过程中，设备内部的bootloader会接管系统的控制权，负责将新固件写入指定的固件存储区域。升级完成后，bootloader会将控制权交给新固件，完成整个升级过程。
三、升级程序结构
升级程序通常包含两个版本，以适应不同的存储分区结构。版本一包含boot、setting和app三个分区，其中boot分区存储引导代码，setting分区存储系统配置信息，app分区存储应用程序代码。版本二在此基础上增加了一个download分区，用于在升级过程中暂存下载的固件数据，确保升级的可靠性。
四、升级操作步骤
1. 准备工作：确保目标设备已经进入IAP模式，并且具备与PC端进行通信的串口连接。
2. 文件传输：通过支持YMODEM协议的终端软件（如SecureCRT、Xshell等）将固件文件通过串口发送给目标设备。
3. 校验过程：设备接收到固件文件后，会进行数据校验，确保文件的完整性和正确性。
4. 写入固件：校验无误后，bootloader将新固件写入到指定的app分区（或download分区），完成固件的写入操作。
5. 重启设备：固件写入完成后，bootloader控制设备重启，将控制权交给新固件，完成升级过程。
五、升级过程中的注意事项
1. 确保在升级过程中设备不会断电，以免造成固件损坏。
2. 在升级前应仔细检查固件版本，避免降级操作可能带来的问题。
3. 升级过程中不应人为干预设备，让升级流程自动完成。
4. 升级成功后，检查新固件功能是否正常，并确认系统运行稳定。
六、总结
基于YMODEM协议的串口IAP升级固件提供了一种高效、可靠的固件更新方式，适用于需要远程或现场升级固件的嵌入式设备。通过合理的分区设计和严格的校验流程，可以有效地提高固件升级的成功率和设备的可靠性。升级程序的设计需要充分考虑设备的运行环境和升级过程的安全性，确保升级操作的顺畅和设备的稳定运行。
文件下载
资源详情
[{"title":"（ 755 个子文件 14.5MB ） 基于YMODEM协议的串口IAP升级固件","children":[{"title":"BH-F103.uvguix.Administrator <span style='color:#111;'> 178.57KB </span>","children":null,"spread":false},{"title":"BH-F103.uvguix.Administrator <span style='color:#111;'> 178.40KB </span>","children":null,"spread":false},{"title":"BH-F103.uvguix.Administrator <span style='color:#111;'> 177.86KB </span>","children":null,"spread":false},{"title":"BH-F103.uvguix.Administrator <span style='color:#111;'> 177.45KB </span>","children":null,"spread":false},{"title":"USART.axf <span style='color:#111;'> 412.47KB </span>","children":null,"spread":false},{"title":"USART.axf <span style='color:#111;'> 409.80KB </span>","children":null,"spread":false},{"title":"USART.axf <span style='color:#111;'> 354.04KB </span>","children":null,"spread":false},{"title":"USART.axf <span style='color:#111;'> 341.61KB </span>","children":null,"spread":false},{"title":"USART_sct.Bak <span style='color:#111;'> 494B </span>","children":null,"spread":false},{"title":"USART_sct.Bak <span style='color:#111;'> 494B </span>","children":null,"spread":false},{"title":"USART_sct.Bak <span style='color:#111;'> 494B </span>","children":null,"spread":false},{"title":"USART_sct.Bak <span style='color:#111;'> 494B </span>","children":null,"spread":false},{"title":"USART.bin <span style='color:#111;'> 11.70KB </span>","children":null,"spread":false},{"title":"USART.bin <span style='color:#111;'> 11.70KB </span>","children":null,"spread":false},{"title":"USART.bin <span style='color:#111;'> 11.46KB </span>","children":null,"spread":false},{"title":"USART.bin <span style='color:#111;'> 7.11KB </span>","children":null,"spread":false},{"title":"USART.bin <span style='color:#111;'> 7.11KB </span>","children":null,"spread":false},{"title":"stm32f10x_tim.c <span style='color:#111;'> 106.60KB </span>","children":null,"spread":false},{"title":"stm32f10x_tim.c <span style='color:#111;'> 106.60KB </span>","children":null,"spread":false},{"title":"stm32f10x_tim.c <span style='color:#111;'> 106.60KB </span>","children":null,"spread":false},{"title":"stm32f10x_tim.c <span style='color:#111;'> 106.60KB </span>","children":null,"spread":false},{"title":"stm32f10x_flash.c <span style='color:#111;'> 61.08KB </span>","children":null,"spread":false},{"title":"stm32f10x_flash.c <span style='color:#111;'> 61.08KB </span>","children":null,"spread":false},{"title":"stm32f10x_flash.c <span style='color:#111;'> 61.08KB </span>","children":null,"spread":false},{"title":"stm32f10x_flash.c <span style='color:#111;'> 61.08KB </span>","children":null,"spread":false},{"title":"stm32f10x_rcc.c <span style='color:#111;'> 50.07KB </span>","children":null,"spread":false},{"title":"stm32f10x_rcc.c <span style='color:#111;'> 50.07KB </span>","children":null,"spread":false},{"title":"stm32f10x_rcc.c <span style='color:#111;'> 50.07KB </span>","children":null,"spread":false},{"title":"stm32f10x_rcc.c <span style='color:#111;'> 50.07KB </span>","children":null,"spread":false},{"title":"stm32f10x_adc.c <span style='color:#111;'> 46.09KB </span>","children":null,"spread":false},{"title":"stm32f10x_adc.c <span style='color:#111;'> 46.09KB </span>","children":null,"spread":false},{"title":"stm32f10x_adc.c <span style='color:#111;'> 46.09KB </span>","children":null,"spread":false},{"title":"stm32f10x_adc.c <span style='color:#111;'> 46.09KB </span>","children":null,"spread":false},{"title":"stm32f10x_i2c.c <span style='color:#111;'> 44.71KB </span>","children":null,"spread":false},{"title":"stm32f10x_i2c.c <span style='color:#111;'> 44.71KB </span>","children":null,"spread":false},{"title":"stm32f10x_i2c.c <span style='color:#111;'> 44.71KB </span>","children":null,"spread":false},{"title":"stm32f10x_i2c.c <span style='color:#111;'> 44.71KB </span>","children":null,"spread":false},{"title":"stm32f10x_can.c <span style='color:#111;'> 44.05KB </span>","children":null,"spread":false},{"title":"stm32f10x_can.c <span style='color:#111;'> 44.05KB </span>","children":null,"spread":false},{"title":"stm32f10x_can.c <span style='color:#111;'> 44.05KB </span>","children":null,"spread":false},{"title":"stm32f10x_can.c <span style='color:#111;'> 44.05KB </span>","children":null,"spread":false},{"title":"stm32f10x_usart.c <span style='color:#111;'> 37.41KB </span>","children":null,"spread":false},{"title":"stm32f10x_usart.c <span style='color:#111;'> 37.41KB </span>","children":null,"spread":false},{"title":"stm32f10x_usart.c <span style='color:#111;'> 37.41KB </span>","children":null,"spread":false},{"title":"stm32f10x_usart.c <span style='color:#111;'> 37.41KB </span>","children":null,"spread":false},{"title":"system_stm32f10x.c <span style='color:#111;'> 35.70KB </span>","children":null,"spread":false},{"title":"system_stm32f10x.c <span style='color:#111;'> 35.70KB </span>","children":null,"spread":false},{"title":"system_stm32f10x.c <span style='color:#111;'> 35.70KB </span>","children":null,"spread":false},{"title":"system_stm32f10x.c <span style='color:#111;'> 35.70KB </span>","children":null,"spread":false},{"title":"stm32f10x_fsmc.c <span style='color:#111;'> 34.65KB </span>","children":null,"spread":false},{"title":"stm32f10x_fsmc.c <span style='color:#111;'> 34.65KB </span>","children":null,"spread":false},{"title":"stm32f10x_fsmc.c <span style='color:#111;'> 34.65KB </span>","children":null,"spread":false},{"title":"stm32f10x_fsmc.c <span style='color:#111;'> 34.65KB </span>","children":null,"spread":false},{"title":"stm32f10x_spi.c <span style='color:#111;'> 29.52KB </span>","children":null,"spread":false},{"title":"stm32f10x_spi.c <span style='color:#111;'> 29.52KB </span>","children":null,"spread":false},{"title":"stm32f10x_spi.c <span style='color:#111;'> 29.52KB </span>","children":null,"spread":false},{"title":"stm32f10x_spi.c <span style='color:#111;'> 29.52KB </span>","children":null,"spread":false},{"title":"stm32f10x_dma.c <span style='color:#111;'> 28.91KB </span>","children":null,"spread":false},{"title":"stm32f10x_dma.c <span style='color:#111;'> 28.91KB </span>","children":null,"spread":false},{"title":"stm32f10x_dma.c <span style='color:#111;'> 28.91KB </span>","children":null,"spread":false},{"title":"stm32f10x_dma.c <span style='color:#111;'> 28.91KB </span>","children":null,"spread":false},{"title":"stm32f10x_sdio.c <span style='color:#111;'> 28.25KB </span>","children":null,"spread":false},{"title":"stm32f10x_sdio.c <span style='color:#111;'> 28.25KB </span>","children":null,"spread":false},{"title":"stm32f10x_sdio.c <span style='color:#111;'> 28.25KB </span>","children":null,"spread":false},{"title":"stm32f10x_sdio.c <span style='color:#111;'> 28.25KB </span>","children":null,"spread":false},{"title":"stm32f10x_gpio.c <span style='color:#111;'> 22.68KB </span>","children":null,"spread":false},{"title":"stm32f10x_gpio.c <span style='color:#111;'> 22.68KB </span>","children":null,"spread":false},{"title":"stm32f10x_gpio.c <span style='color:#111;'> 22.68KB </span>","children":null,"spread":false},{"title":"stm32f10x_gpio.c <span style='color:#111;'> 22.68KB </span>","children":null,"spread":false},{"title":"stm32f10x_dac.c <span style='color:#111;'> 18.64KB </span>","children":null,"spread":false},{"title":"stm32f10x_dac.c <span style='color:#111;'> 18.64KB </span>","children":null,"spread":false},{"title":"stm32f10x_dac.c <span style='color:#111;'> 18.64KB </span>","children":null,"spread":false},{"title":"stm32f10x_dac.c <span style='color:#111;'> 18.64KB </span>","children":null,"spread":false},{"title":"core_cm3.c <span style='color:#111;'> 16.87KB </span>","children":null,"spread":false},{"title":"core_cm3.c <span style='color:#111;'> 16.87KB </span>","children":null,"spread":false},{"title":"core_cm3.c <span style='color:#111;'> 16.87KB </span>","children":null,"spread":false},{"title":"core_cm3.c <span style='color:#111;'> 16.87KB </span>","children":null,"spread":false},{"title":"stm32f10x_cec.c <span style='color:#111;'> 11.38KB </span>","children":null,"spread":false},{"title":"stm32f10x_cec.c <span style='color:#111;'> 11.38KB </span>","children":null,"spread":false},{"title":"stm32f10x_cec.c <span style='color:#111;'> 11.38KB </span>","children":null,"spread":false},{"title":"stm32f10x_cec.c <span style='color:#111;'> 11.38KB </span>","children":null,"spread":false},{"title":"stm32f10x_pwr.c <span style='color:#111;'> 8.55KB </span>","children":null,"spread":false},{"title":"stm32f10x_pwr.c <span style='color:#111;'> 8.55KB </span>","children":null,"spread":false},{"title":"stm32f10x_pwr.c <span style='color:#111;'> 8.55KB </span>","children":null,"spread":false},{"title":"stm32f10x_pwr.c <span style='color:#111;'> 8.55KB </span>","children":null,"spread":false},{"title":"stm32f10x_rtc.c <span style='color:#111;'> 8.40KB </span>","children":null,"spread":false},{"title":"stm32f10x_rtc.c <span style='color:#111;'> 8.40KB </span>","children":null,"spread":false},{"title":"stm32f10x_rtc.c <span style='color:#111;'> 8.40KB </span>","children":null,"spread":false},{"title":"stm32f10x_rtc.c <span style='color:#111;'> 8.40KB </span>","children":null,"spread":false},{"title":"ymodem.c <span style='color:#111;'> 8.38KB </span>","children":null,"spread":false},{"title":"stm32f10x_bkp.c <span style='color:#111;'> 8.26KB </span>","children":null,"spread":false},{"title":"stm32f10x_bkp.c <span style='color:#111;'> 8.26KB </span>","children":null,"spread":false},{"title":"stm32f10x_bkp.c <span style='color:#111;'> 8.26KB </span>","children":null,"spread":false},{"title":"stm32f10x_bkp.c <span style='color:#111;'> 8.26KB </span>","children":null,"spread":false},{"title":"misc.c <span style='color:#111;'> 6.88KB </span>","children":null,"spread":false},{"title":"misc.c <span style='color:#111;'> 6.88KB </span>","children":null,"spread":false},{"title":"misc.c <span style='color:#111;'> 6.88KB </span>","children":null,"spread":false},{"title":"misc.c <span style='color:#111;'> 6.88KB </span>","children":null,"spread":false},{"title":"stm32f10x_exti.c <span style='color:#111;'> 6.80KB </span>","children":null,"spread":false},{"title":"stm32f10x_exti.c <span style='color:#111;'> 6.80KB </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多，未全部展示</span>","children":null,"spread":false}],"spread":true}]
评论信息
其他资源
- 船舶MMG模型
- 在线考试系统_Swing版
- 多次散射正确程序.zip
- 单片机课程设计数字时钟
- 通信电子电路 于洪珍版 课后习题答案
- 学生成绩管理系统----UML课程设计rational+rose用例图，活动图，状态图.rar
- ESC32源码分析流程图解析
- A算法和A*算法
- 10w个英语单词词汇MYSQL数据库版.sql
- Java实现两个聊天窗口
- java实现汉诺塔演示及手动操作汉诺塔
- JSP实现留言板系统
- Ubuntu下VIM及相关插件的安装（附带教程）
- C#进化计算：遗传算法源代码
- source insight4.0黑色背景配置文件
- httpd服务的源码包及依赖包安装步骤
- 基于j2ee的网上订餐系统的实现与设计
- 基于STC89C52单片机的舵机测试程序
- mORMot-master.zip
- python黑科技开发之打造懒人系统.wmv
- 用Python写网络爬虫.pdf
- 黑金Sparten6开发板AX309 Verilog教程V3.1.pdf
- 实现了匹配机制同时可以进行数据交互游戏服务端源代码.png
- apache-ant-1.9.1-bin.tar.gz
免责申明
【只为小站】的资源来自网友分享，仅供学习研究，请务必在下载后24小时内给予删除，不得用于其他任何用途，否则后果自负。基于互联网的特殊性，【只为小站】 无法对用户传输的作品、信息、内容的权属或合法性、合规性、真实性、科学性、完整权、有效性等进行实质审查；无论 【只为小站】 经营者是否已进行审查，用户均应自行承担因其传输的作品、信息、内容而可能或已经产生的侵权或权属纠纷等法律责任。
本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二条之规定，若资源存在侵权或相关问题请联系本站客服人员，zhiweidada#qq.com，请把#换成@，本站将给予最大的支持与配合，做到及时反馈和处理。关于更多版权及免责申明参见 版权及免责申明
本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二条之规定，若资源存在侵权或相关问题请联系本站客服人员，zhiweidada#qq.com，请把#换成@，本站将给予最大的支持与配合，做到及时反馈和处理。关于更多版权及免责申明参见 版权及免责申明