LibOpenCM3 项目使用教程

LibOpenCM3 项目使用教程

libopencm3Open source ARM Cortex-M microcontroller library项目地址:https://gitcode.com/gh_mirrors/li/libopencm3

1. 项目的目录结构及介绍

LibOpenCM3 是一个开源的 ARM Cortex-M 微控制器库。以下是其主要目录结构及其功能介绍:

  • doc: 包含项目文档,如 API 文档等。
  • include: 包含库的头文件。
  • ld: 包含链接器脚本。
  • lib: 包含库的源文件。
  • mk: 包含构建系统的 Makefile 片段。
  • scripts: 包含辅助脚本,如代码生成脚本。
  • tests: 包含测试代码。

2. 项目的启动文件介绍

LibOpenCM3 项目的启动文件通常位于 lib 目录下,包含初始化代码和向量表。启动文件的主要功能是设置堆栈指针、初始化全局变量和调用主函数。

3. 项目的配置文件介绍

LibOpenCM3 项目的配置文件主要位于 mk 目录下,包含构建系统的配置。这些文件定义了编译器和链接器的选项,以及目标平台的特定设置。

例如,Makefile 文件定义了项目的构建规则和依赖关系,而 travis.yml 文件定义了持续集成系统的配置。


以上内容涵盖了 LibOpenCM3 项目的基本使用和配置,希望对您有所帮助。

libopencm3Open source ARM Cortex-M microcontroller library项目地址:https://gitcode.com/gh_mirrors/li/libopencm3

创作声明:本文部分内容由AI辅助生成(AIGC),仅供参考

Using FreeRTOS and libopencm3 instead of the Arduino software environment, this book will help you develop multi-tasking applications that go beyond Arduino norms. In addition to the usual peripherals found in the typical Arduino device, the STM32 device includes a USB controller, RTC (Real Time Clock), DMA (Direct Memory Access controller), CAN bus and more. Each chapter contains clear explanations of the STM32 hardware capabilities to help get you started with the device, including GPIO and several other ST Microelectronics peripherals like USB and CAN bus controller. You’ll learn how to download and set up the libopencm3 + FreeRTOS development environment, using GCC. With everything set up, you’ll leverage FreeRTOS to create tasks, queues, and mutexes. You’ll also learn to work with the I2C bus to add GPIO using the PCF8574 chip. And how to create PWM output for RC control using hardware timers. You'll be introduced to new concepts that are necessary to master the STM32, such as how to extend code with GCC overlays using an external Winbond ?W25Q32 flash chip. Your knowledge is tested at the end of each chapter with exercises. Upon completing this book, you’ll be ready to work with any of the devices in the STM32 family. Beginning STM32 provides the professional, student, or hobbyist a way to learn about ARM without costing an arm! What You'll Learn Initialize and use the libopencm3 drivers and handle interrupts Use DMA to drive a SPI based OLED displaying an analog meter Read PWM from an RC control using hardware timers Who This Book Is For Experienced embedded engineers, students, hobbyists and makers wishing to explore the ARM architecture, going beyond Arduino limits.
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