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    <title>STM32F407 on RuChen</title>
    <link>https://blog.195481.xyz/tags/stm32f407/</link>
    <description>Recent content in STM32F407 on RuChen</description>
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    <language>zh-cn</language>
    <managingEditor>2510889344@qq.com (RuChen)</managingEditor>
    <webMaster>2510889344@qq.com (RuChen)</webMaster>
    <copyright>All Rights Reserved © RuChen 2025</copyright>
    <lastBuildDate>Sat, 24 Oct 2026 00:00:33 +0800</lastBuildDate><atom:link href="https://blog.195481.xyz/tags/stm32f407/index.xml" rel="self" type="application/rss+xml" />
    
    <item>
      <title>FreeRTOS 中断协作：EXTI 通知静态工作任务的完整链路</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/esp-2535a7fd2b72-freertos-exti-fromisr-static-worker/</link>
      <pubDate>Sat, 24 Oct 2026 00:00:33 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/esp-2535a7fd2b72-freertos-exti-fromisr-static-worker/</guid>
      <description>以STM32F407和固定FreeRTOS V10.3.1/GCC ARM_CM4F说明EXTI到FromISR通知再到任务的完整交接，给出静态对象、优先级编码、HSI16MHz启动与SysTick独占交接、错误路径和双轨实验；目标与GUI均未验证。</description>
      
    </item>
    
    <item>
      <title>FreeRTOS 静态内存：对象活多久，RAM 算一次</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/esp-b6380aeb4733-freertos-static-object-lifetime-ram-budget/</link>
      <pubDate>Sat, 24 Oct 2026 00:00:24 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/esp-b6380aeb4733-freertos-static-object-lifetime-ram-budget/</guid>
      <description>以 STM32F407xx 和固定 CubeF4 所带 FreeRTOS V10.3.1 为边界，给出纯静态双任务、idle 内存回调和 HSI 启动参考实现；从对象生命周期、栈元素字节换算，走到 SRAM/CCM 分区账本与任务栈、MSP 运行余量的独立核验。未进行目标编译或上板验证。</description>
      
    </item>
    
    <item>
      <title>FreeRTOS 静态任务通知：把工作次数交给唯一接收者</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/esp-ee33dedf7e22-freertos-static-task-notification-counting/</link>
      <pubDate>Sat, 24 Oct 2026 00:00:15 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/esp-ee33dedf7e22-freertos-static-task-notification-counting/</guid>
      <description>基于 STM32CubeF4 固定包中的 FreeRTOS V10.3.1，推演通知累积、逐个消费和整批交接，提供静态任务、idle 内存回调、HSI 启动及 SysTick 所有权参考代码，并严格区分主机模型证据与尚未编译、上板的目标实现。</description>
      
    </item>
    
    <item>
      <title>FreeRTOS 静态信号量：有界许可、等待与超时</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l044-freertos-static-semaphore/</link>
      <pubDate>Fri, 23 Oct 2026 17:41:38 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l044-freertos-static-semaphore/</guid>
      <description>能够用 STM32F407xx 上的静态计数信号量表示无数据载荷的有界许可，推演 give/take、计数上限、等待与超时，并区分信号量、消息队列及互斥所有权和两条验证轨道。</description>
      
    </item>
    
    <item>
      <title>FreeRTOS 静态有界队列：消息复制、满空等待与超时</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l043-freertos-static-queue/</link>
      <pubDate>Fri, 23 Oct 2026 16:31:48 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l043-freertos-static-queue/</guid>
      <description>能够用静态有界队列在两个任务间按值传递固定大小消息，预测满/空等待、超时及唤醒后的调度，并说明 STM32F407xx 参考实现与主机验证的证据边界。</description>
      
    </item>
    
    <item>
      <title>FreeRTOS 调度器：状态、固定优先级与切换边界</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l042-freertos-scheduler/</link>
      <pubDate>Thu, 22 Oct 2026 16:23:04 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l042-freertos-scheduler/</guid>
      <description>能够根据任务的就绪、阻塞状态与固定优先级，预测单核 FreeRTOS 的运行任务和切换时机，并在 STM32F407xx 参考实现中追踪节拍、异常与任务切换链，区分主机模型验证和目标硬件验证。</description>
      
    </item>
    
    <item>
      <title>FreeRTOS 任务：静态创建、独立上下文与存储生命周期</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l041-freertos-static-task/</link>
      <pubDate>Wed, 21 Oct 2026 18:52:34 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l041-freertos-static-task/</guid>
      <description>能够以静态存储定义并创建一个持续运行的 FreeRTOS 任务，解释任务入口、参数、控制块与栈的所有权及创建到首次执行的调用链，并严格区分主机逻辑验证与 STM32F407xx 目标验证。</description>
      
    </item>
    
    <item>
      <title>Map 文件——把链接布局变成可审计的内存预算</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l037-map-file-attribution/</link>
      <pubDate>Tue, 20 Oct 2026 21:44:13 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l037-map-file-attribution/</guid>
      <description>从同一次构建的链接脚本、Map 与 ELF 追溯 STM32F407xx 固件的 Flash/RAM 静态占用与增长来源，建立可复核的预算和运行期证据边界。</description>
      
    </item>
    
    <item>
      <title>栈：从 SP（栈指针）与内存边界到可信的调用现场</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l036-stack-evidence/</link>
      <pubDate>Tue, 20 Oct 2026 20:33:03 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l036-stack-evidence/</guid>
      <description>核心目标：建立以 SP、栈边界和编译产物交叉验证栈使用量与调用现场的证据方法，并为 STM32F407xx 规划可核对但尚未上板的最小采样与调试路径。 新核心概念：栈边界与动态使用量的证据边界；调用现场重建的证据边界。</description>
      
    </item>
    
    <item>
      <title>故障分析：把异常现场变成可证伪的证据链</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l035-fault-analysis/</link>
      <pubDate>Mon, 19 Oct 2026 19:13:26 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l035-fault-analysis/</guid>
      <description>核心目标：规划一节故障分析课：用异常入口保存的状态寄存器、堆栈帧和故障指令地址建立可证伪的故障证据链，并在 STM32F407xx 上形成待目标工程验证的最小 HardFault 现场采集路径。新核心概念：异常入口的故障现场快照与有效性边界；从故障状态到可证伪根因假设的证据链。</description>
      
    </item>
    
    <item>
      <title>断点与观察点：以触发条件取得可审计现场</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l034-breakpoint-watchpoint/</link>
      <pubDate>Sun, 18 Oct 2026 16:00:05 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l034-breakpoint-watchpoint/</guid>
      <description>核心目标：建立断点与观察点作为可审计触发条件的心智模型：区分指令地址触发和数据访问触发，评估它们对执行时序的扰动，并为 STM32F407xx 制定来源可核对的调试验证方案。新核心概念：断点的指令地址触发与停止边界；观察点的数据访问触发与资源边界。</description>
      
    </item>
    
    <item>
      <title>寄存器视图：有时序、可证伪的观测证据</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l033-register-view/</link>
      <pubDate>Sat, 17 Oct 2026 23:04:12 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l033-register-view/</guid>
      <description>核心目标：建立寄存器视图作为有时序、可证伪的观测证据这一心智模型，并据此为 STM32F407xx 的时钟、定时器、DMA 与外设状态设计可重复的调试观察流程。新核心概念：寄存器视图的取样语义与证据边界。</description>
      
    </item>
    
    <item>
      <title>外设集成实验：采集批次到串行 DMA 的有界交接</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l032-peripheral-integration-lab/</link>
      <pubDate>Fri, 16 Oct 2026 23:29:09 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l032-peripheral-integration-lab/</guid>
      <description>建立采集批次交给传输 DMA 时的端到端有界所有权与背压边界，并用 C11 Host Fake 验证正常交接、超期、停源和恢复，以 STM32F407xx 的 TIM2-ADC1-DMA2 到 USART2-DMA1 参考链核对时钟、CubeMX、HAL、LL、寄存器与迁移边界。</description>
      
    </item>
    
    <item>
      <title>ADC-定时器-DMA 分段缓冲流水线</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l031-adc-timer-dma-pipeline/</link>
      <pubDate>Thu, 15 Oct 2026 16:00:04 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l031-adc-timer-dma-pipeline/</guid>
      <description>建立 ADC-定时器-DMA 分段缓冲流水线，以 C11 Host Fake 验证速率预算、半区所有权和错误路径，并以 STM32F407xx 的 TIM2 到 ADC1、DMA2 Stream0/Channel0 参考实现核对时钟、CubeMX、HAL、LL、寄存器和迁移边界。</description>
      
    </item>
    
    <item>
      <title>高级控制定时器：互补 PWM 安全输出链</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l030-advanced-control-timer/</link>
      <pubDate>Wed, 14 Oct 2026 23:58:28 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l030-advanced-control-timer/</guid>
      <description>建立高级控制定时器的互补 PWM 安全输出链，用 C11 Host Fake 验证非重叠、故障锁存和显式恢复，并以 STM32F407xx 的 TIM1 核对时钟、CubeMX、HAL、LL、寄存器、刹车 IRQ 和硬件验证边界。</description>
      
    </item>
    
    <item>
      <title>定时器触发路由：从 TIM2 更新事件到 ADC1 转换</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l029-timer-trigger-routing/</link>
      <pubDate>Tue, 13 Oct 2026 16:00:04 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l029-timer-trigger-routing/</guid>
      <description>建立定时器触发路由的事件链，用 C11 Host Fake 验证源事件、路由、接收端选择与错误边界，并以 STM32F407xx 的 TIM2 更新事件到 ADC1 外部触发路径核对时钟、CubeMX、HAL、LL、寄存器和 IRQ 证据。</description>
      
    </item>
    
    <item>
      <title>HAL、LL 与寄存器的交叉映射</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l028-hal-ll-register-crosswalk/</link>
      <pubDate>Mon, 12 Oct 2026 20:17:48 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l028-hal-ll-register-crosswalk/</guid>
      <description>建立 HAL、LL 与寄存器交叉映射的追踪方法：先以 C11 Host Fake 验证前置条件、状态转换和 IRQ 消费，再以 STM32F407xx 的 ADC1 到 DMA2 Stream0 路径核对时钟门控、初始化字段、硬件标志、回调和错误证据。</description>
      
    </item>
    
    <item>
      <title>时钟树与外设时序来源</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l027-clock-tree/</link>
      <pubDate>Sun, 11 Oct 2026 23:29:07 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l027-clock-tree/</guid>
      <description>建立时钟树这一受约束频率分配网络的心智模型：用 Host Fake 审计源频率、PLL、AHB/APB 预分频和频率上限，再以 STM32F407xx 的 HSI 参考参数落实 CubeMX、HAL、LL、关键寄存器、ADC/DMA 与定时器时钟链。</description>
      
    </item>
    
    <item>
      <title>DMA 传输引擎与传输契约</title>
      <link>https://blog.195481.xyz/embedded/embedded-study/l026-dma-transfer-engine-contract/</link>
      <pubDate>Wed, 07 Oct 2026 19:21:14 +0800</pubDate>
      <author>2510889344@qq.com (RuChen)</author>
      <guid>https://blog.195481.xyz/embedded/embedded-study/l026-dma-transfer-engine-contract/</guid>
      <description>以双轨方式建立 DMA 传输契约：Host Fake 验证请求、计数、循环缓冲区和错误路径；STM32F407xx 参考实现把 ADC1 请求落实到 DMA2 Stream0/Channel0，给出 168/84/21 MHz 时钟链、CubeMX 配置、HAL 初始化与回调、LL/寄存器对照和上板验证边界。</description>
      
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