STM32CubeMX配置与初始化C代码生成用户手册

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"STM32Cube用户手册，英文版，详细介绍了如何使用STM32CubeMX工具，用于STM32微控制器的配置和初始化C代码生成，帮助开发者节省时间和精力。" STM32CubeMX是STM32微控制器的一款图形化配置工具，它是STM32Cube计划的一部分。该工具既可作为独立应用，也可作为Eclipse插件集成到集成开发环境（IDEs）中。其主要特性包括： 1. 微控制器选择：覆盖整个STM32产品线，使用户能轻松选取适合的微控制器。 2. 板级支持：提供STMicroelectronics官方板卡列表，方便用户选择合适的开发板。 3. 配置便捷：用户可以轻松配置微控制器的引脚、时钟树、外设以及中间件，并自动生成相应的初始化C代码。 4. 项目迁移：允许导入已保存的配置到新的MCU项目，实现不同微控制器间的快速切换。 5. 配置导出：能够将当前配置导出到兼容的MCU，便于在其他项目中复用。 6. 生成配置报告：生成详细的配置报告，便于理解和跟踪项目状态。 7. 嵌入式C项目生成：支持为选定的集成开发环境工具链生成嵌入式C项目，项目包含生成的初始化C代码和符合MISRA 2004标准的STM32 HAL驱动程序。 STM32CubeMX的使用流程通常包括以下几个步骤： 1. 启动与设置：打开STM32CubeMX，选择所需的STM32微控制器和对应的开发板。 2. 配置微控制器：在图形界面上，通过拖拽和设置参数，配置微控制器的引脚分配、时钟源、外设功能等。 3. 生成代码：完成配置后，点击生成代码按钮，STM32CubeMX会自动生成对应的初始化C代码，这些代码可以无缝集成到用户的项目中。 4. 导入IDE：将生成的项目文件导入到如Keil MDK、IAR EWARM或GCC等IDE中，继续进行应用程序的开发。 5. 更新与维护：随着项目需求变化，可以随时返回STM32CubeMX更新配置，重新生成代码，保持项目的最新状态。 STM32CubeMX的使用极大地简化了STM32开发的初始阶段，减少了手动编写初始化代码的工作量，提高了开发效率，同时保持了代码的标准化和可读性。对于STM32开发者来说，这是一个不可或缺的工具。

List of figures UM1718

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Figure 298. Block shifting not applied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305

Figure 299. Block shifting applied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306

Figure 300. FreeRTOS HOOK functions to be completed by user . . . . . . . . . . . . . . . . . . . . . . . . . . . 310

Figure 301. LwIP 1.4.1 configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311

Figure 302. LwIP 1.5 configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312

Figure 303. Libjpeg configuration window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314

Figure 304. Mbed TLS without LwIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315

Figure 305. Mbed TLS with LwIP and FreeRTOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316

Figure 306. Mbed TLS configuration window. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317

Figure 307. Enabling the TouchSensing peripheral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318

Figure 308. Touch-sensing sensor selection panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319

Figure 309. TouchSensing configuration panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320

Figure 310. Graphics application architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321

Figure 311. STM32 microcontroller part numbering scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323

Figure 312. STM32Cube Embedded Software package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329

Getting started with STM32CubeMX UM1718

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3 Getting started with STM32CubeMX

3.1 Principles

Customers need to quickly identify the MCU that best meets their requirements (core

architecture, features, memory size, performance…). While board designers main concerns

are to optimize the microcontroller pin configuration for their board layout and to fulfill the

application requirements (choice of peripherals operating modes), embedded system

developers are more interested in developing new applications for a specific target device,

and migrating existing designs to different microcontrollers.

The time taken to migrate to new platforms and update the C code to new firmware drivers

adds unnecessary delays to the project. STM32CubeMX was developed within STM32Cube

initiative which purpose is to meet customer key requirements to maximize software reuse

and minimize the time to create the target system:

 Software reuse and application design portability are achieved through STM32Cube

firmware solution proposing a common Hardware Abstraction Layer API across STM32

portfolio.

 Optimized migration time is achieved thanks to STM32CubeMX built-in knowledge of

STM32 microcontrollers, peripherals and middleware (LwIP and USB communication

protocol stacks, FatFs file system for small embedded systems, FreeRTOS).

STM32CubeMX graphical interface performs the following functions:

 Fast and easy configuration of the MCU pins, clock tree and operating modes for the

selected peripherals and middleware

 Generation of pin configuration report for board designers

 Generation of a complete project with all the necessary libraries and initialization C

code to set up the device in the user defined operating mode. The project can be

directly open in the selected application development environment (for a selection of

supported IDEs) to proceed with application development (see Figure 1).

During the configuration process, STM32CubeMX detects conflicts and invalid settings and

highlights them through meaningful icons and useful tool tips.

Getting started with STM32CubeMX UM1718

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3.2 Key features

STM32CubeMX comes with the following features:

 Project management

STM32CubeMX allows creating, saving and loading previously saved projects:

– When STM32CubeMX is launched, the user can choose to create a new project or

to load a previously saved project.

– Saving the project saves user settings and configuration performed within the

project in an .ioc file that will be used the next time the project will be loaded in

STM32CubeMX.

STM32CubeMX also allows importing previously saved projects in new projects.

STM32CubeMX projects come in two flavors:

– MCU configuration only: .ioc file are saved anywhere, next to other .ioc files.

– MCU configuration with C code generation: in this case .ioc files are saved in a

dedicated project folder along with the generated source C code. There can be

only one .ioc file per project.

 Easy MCU and STMicroelectronics board selection

When starting a new project, a dedicated window opens to select either a

microcontroller or an STMicroelectronics board from STM32 portfolio. Different filtering

options are available to ease the MCU and board selection.

 Easy pinout configuration

– From the Pinout view, the user can select the peripherals from a list and configure

the peripheral modes required for the application. STM32CubeMX assigns and

configures the pins accordingly.

– For more advanced users, it is also possible to directly map a peripheral function

to a physical pin using the Chip view. The signals can be locked on pins to prevent

STM32CubeMX conflict solver from moving the signal to another pin.

– Pinout configuration can be exported as a .csv file.

 Complete project generation

The project generation includes pinout, firmware and middleware initialization C code

for a set of IDEs. It is based on STM32Cube embedded software libraries. The

following actions can be performed:

– Starting from the previously defined pinout, the user can proceed with the

configuration of middleware, clock tree, services (RNG, CRC, etc...) and

peripheral parameters. STM32CubeMX generates the corresponding initialization

C code. The result is a project directory including generated main.c file and C

header files for configuration and initialization, plus a copy of the necessary HAL

and middleware libraries as well as specific files for the selected IDE.

– The user can modify the generated source files by adding user-defined C code in

user dedicated sections. STM32CubeMX ensures that the user C code is

preserved upon next C code generation (the user C code is commented if it is no

longer relevant for the current configuration).

– STM32CubeMX can generate user files by using user-defined freemarker .ftl

template files.

– From the Project settings menu, the user can select the development toolchain

(IDE) for which the C code has to be generated. STM32CubeMX ensures that the

IDE relevant project files are added to the project folder so that the project can be

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