TMS320F28xxx DSCs:运行时将编译器节从闪存复制到RAM优化执行速度

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本篇应用报告和相关的源代码文件名为"SPRAAU8A - March 2008 - Revised August 2017",它专注于在TI公司的TMS320F28xxx数字信号控制器(DSCs)上实现从内部Flash存储器到内部随机访问内存(RAM)的编译器节(Compiler Sections)在运行时的复制。这一功能的目的是优化执行速度,通过在系统启动后立即执行,具体在进入c_int00C入口程序之前。 报告的核心内容包括: 1. **介绍**: 开头部分简要介绍了报告的目的,即为用户提供一种在TMS320F28xxx系列DSCs上动态将初始化的编译器节从Flash移动到RAM的方法。这份文档适用于使用CCS(Code Composer Studio)工具链的开发人员。 2. **编译器节**: 详细介绍编译器节的概念,它们是软件应用程序中的特定代码区域,可能包含常量数据、初始化函数等,对于性能关键的实时操作非常重要。在某些情况下,将这些节移动到RAM可以减少访问闪存的时间延迟,从而提升系统响应速度。 3. **软件实现**: 报告详细阐述了实现策略,包括软件架构和步骤。这可能涉及编写驱动程序或中断服务程序来在引导期间执行内存复制,并确保数据一致性。此外,还可能涉及到内存管理技术,如内存映射和分区。 4. **基准测试、限制与建议**: 这部分讨论了实际应用该功能后的性能提升效果,可能会提供一些基准测试结果,以及在不同硬件配置下的适用性和潜在限制。作者还可能提出针对优化和未来改进的建议。 5. **结论**: 最后总结了整个解决方案的优势,以及它如何帮助开发者克服TMS320F28xxx平台上的性能瓶颈。可能还会强调在特定应用中的价值,比如嵌入式控制、实时处理等场景。 6. **参考文献**: 提供了完成此工作的技术文档和其他相关资源,以便读者进一步深入研究。 附录包括TMS320F2808的内存映射图和初始数据表,有助于读者理解硬件环境和代码部署的具体细节。 要获取项目附件和源代码,可以直接访问指定的TI官方网站提供的链接:http://www.ti.com/lit/zip/spraau8.zip。这份资源对于任何寻求优化TMS320F28xxx系列DSCs内存使用并提升性能的开发者来说,都是非常实用和有价值的参考资料。

failed to load config from D:\朗慧\digital-welcome-project\vite.config.ts error when starting dev server: Error: You installed esbuild for another platform than the one you're currently using. This won't work because esbuild is written with native code and needs to install a platform-specific binary executable. Specifically the "@esbuild/win32-x64" package is present but this platform needs the "@esbuild/win32-ia32" package instead. People often get into this situation by installing esbuild on Windows or macOS and copying "node_modules" into a Docker image that runs Linux, or by copying "node_modules" between Windows and WSL environments. If you are installing with npm, you can try not copying the "node_modules" directory when you copy the files over, and running "npm ci" or "npm install" on the destination platform after the copy. Or you could consider using yarn instead of npm which has built-in support for installing a package on multiple platforms simultaneously. If you are installing with yarn, you can try listing both this platform and the other platform in your ".yarnrc.yml" file using the "supportedArchitectures" feature: https://yarnpkg.com/configuration/yarnrc/#supportedArchitectures Keep in mind that this means multiple copies of esbuild will be present. Another alternative is to use the "esbuild-wasm" package instead, which works the same way on all platforms. But it comes with a heavy performance cost and can sometimes be 10x slower than the "esbuild" package, so you may also not want to do that.

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