首页 STM32-USART程序代码

STM32-USART程序代码

上传者： jiangqiang890415 | 上传时间： 2025-05-17 16:10:34 | 文件大小： 290KB | 文件类型： RAR
STM32-USART程序代码是针对STM32微控制器系列中的通用同步/异步收发传输器（USART）功能的编程实例。STM32是一种基于ARM Cortex-M内核的微控制器，广泛应用于嵌入式系统设计，而USART是其进行串行通信的重要接口。 在STM32中，USART不仅支持基本的串行数据传输，还能实现全双工通信、流控功能（如RTS/CTS和XON/XOFF）、多种帧格式和数据位宽度等。通过USART，STM32可以与各种设备如终端、传感器或另一个STM32进行通信。 要理解和使用这些程序，首先需要了解以下几个关键概念： 1. **初始化配置**：在使用STM32的USART前，需要对其进行初始化配置。这包括设置波特率（如9600bps）、数据位（通常8位）、停止位（1或2位）、奇偶校验（无、奇、偶、强制1或强制0）、以及硬件流控的启用或禁用。 2. **中断驱动**：STM32的USART支持中断驱动模式，这意味着当数据接收或发送完成时，可以触发中断服务例程，从而在后台处理通信，提高实时性。 3. **DMA（直接内存访问）**：在高数据传输速率下，使用DMA可以将数据直接从外设传输到内存，无需CPU介入，提高效率。 4. **HAL库**：STM32 HAL库提供了一组易于使用的API，简化了对USART的操作，如`HAL_UART_Init()`用于初始化，`HAL_UART_Transmit()`和`HAL_UART_Receive()`用于发送和接收数据。 5. **RTOS集成**：在实时操作系统环境下，USART操作可与任务调度、信号量等机制结合，确保多个任务间串行通信的同步和互斥。 6. **错误处理**：USART编程中需考虑错误检测，例如CRC错误、帧错误和溢出错误。HAL库提供了对应的错误状态检查函数，如`HAL_UART_GetError()`。 7. **示例代码分析**：在压缩包内的程序中，通常会包含配置USART的头文件，设置GPIO引脚为输入/输出的函数，初始化USART的函数，发送和接收数据的函数，以及可能的中断服务例程。通过对这些代码的阅读和理解，可以掌握STM32如何使用USART进行通信。 STM32-USART程序代码的学习可以帮助开发者更深入地理解STM32的串口通信，从而在实际项目中灵活运用。通过实践和调试这些代码，你可以熟悉STM32的开发环境，如Keil uVision或IAR Embedded Workbench，以及STM32CubeMX配置工具，这对提升嵌入式系统开发能力至关重要。

文件下载

资源详情

[{"title":"（ 86 个子文件 290KB ） STM32-USART程序代码","children":[{"title":"STM32-USART程序","children":[{"title":"修改记录.txt <span style='color:#111;'> 119B </span>","children":null,"spread":false},{"title":"Source","children":[{"title":"inc","children":[{"title":"usart_printf.h <span style='color:#111;'> 504B </span>","children":null,"spread":false},{"title":"uart_api.h <span style='color:#111;'> 1.63KB </span>","children":null,"spread":false},{"title":"stm32f10x_conf.h <span style='color:#111;'> 3.01KB </span>","children":null,"spread":false},{"title":"stm32f10x_it.h <span style='color:#111;'> 1.85KB </span>","children":null,"spread":false}],"spread":true},{"title":"src","children":[{"title":"main.c <span style='color:#111;'> 5.37KB </span>","children":null,"spread":false},{"title":"uart_api.c <span style='color:#111;'> 16.42KB </span>","children":null,"spread":false},{"title":"stm32f10x_it.c <span style='color:#111;'> 4.26KB </span>","children":null,"spread":false},{"title":"usart_printf.c <span style='color:#111;'> 1.77KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"Libraries","children":[{"title":"CMSIS","children":[{"title":"License.doc <span style='color:#111;'> 39.00KB </span>","children":null,"spread":false},{"title":"Core","children":[{"title":"CM3","children":[{"title":"system_stm32f10x.h <span style='color:#111;'> 2.35KB </span>","children":null,"spread":false},{"title":"core_cm3.c <span style='color:#111;'> 16.80KB </span>","children":null,"spread":false},{"title":"core_cm3.h <span style='color:#111;'> 45.44KB </span>","children":null,"spread":false},{"title":"stm32f10x.h <span style='color:#111;'> 579.48KB </span>","children":null,"spread":false},{"title":"startup","children":[{"title":"iar","children":[{"title":"startup_stm32f10x_hd.s <span style='color:#111;'> 16.32KB </span>","children":null,"spread":false},{"title":"startup_stm32f10x_ld.s <span style='color:#111;'> 12.04KB </span>","children":null,"spread":false},{"title":"startup_stm32f10x_md.s <span style='color:#111;'> 12.30KB </span>","children":null,"spread":false},{"title":"startup_stm32f10x_cl.s <span style='color:#111;'> 15.93KB </span>","children":null,"spread":false}],"spread":true},{"title":"arm","children":[{"title":"startup_stm32f10x_hd.s <span style='color:#111;'> 15.50KB </span>","children":null,"spread":false},{"title":"startup_stm32f10x_ld.s <span style='color:#111;'> 11.88KB </span>","children":null,"spread":false},{"title":"startup_stm32f10x_md.s <span style='color:#111;'> 12.27KB </span>","children":null,"spread":false},{"title":"startup_stm32f10x_cl.s <span style='color:#111;'> 15.23KB </span>","children":null,"spread":false}],"spread":false},{"title":"gcc","children":[{"title":"startup_stm32f10x_hd.s <span style='color:#111;'> 13.24KB </span>","children":null,"spread":false},{"title":"startup_stm32f10x_ld.s <span style='color:#111;'> 9.60KB </span>","children":null,"spread":false},{"title":"startup_stm32f10x_md.s <span style='color:#111;'> 10.10KB </span>","children":null,"spread":false},{"title":"startup_stm32f10x_cl.s <span style='color:#111;'> 12.61KB </span>","children":null,"spread":false}],"spread":false}],"spread":true},{"title":"system_stm32f10x.c <span style='color:#111;'> 29.90KB </span>","children":null,"spread":false}],"spread":true},{"title":"Documentation","children":[{"title":"CMSIS_Core.htm <span style='color:#111;'> 51.23KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true},{"title":"STM32F10x_StdPeriph_Driver","children":[{"title":"inc","children":[{"title":"stm32f10x_spi.h <span style='color:#111;'> 17.67KB </span>","children":null,"spread":false},{"title":"stm32f10x_crc.h <span style='color:#111;'> 2.02KB </span>","children":null,"spread":false},{"title":"stm32f10x_tim.h <span style='color:#111;'> 43.85KB </span>","children":null,"spread":false},{"title":"stm32f10x_usart.h <span style='color:#111;'> 15.92KB </span>","children":null,"spread":false},{"title":"stm32f10x_dma.h <span style='color:#111;'> 20.09KB </span>","children":null,"spread":false},{"title":"stm32f10x_fsmc.h <span style='color:#111;'> 25.57KB </span>","children":null,"spread":false},{"title":"stm32f10x_i2c.h <span style='color:#111;'> 17.56KB </span>","children":null,"spread":false},{"title":"stm32f10x_dac.h <span style='color:#111;'> 13.45KB </span>","children":null,"spread":false},{"title":"stm32f10x_iwdg.h <span style='color:#111;'> 3.65KB </span>","children":null,"spread":false},{"title":"misc.h <span style='color:#111;'> 8.68KB </span>","children":null,"spread":false},{"title":"stm32f10x_bkp.h <span style='color:#111;'> 7.29KB </span>","children":null,"spread":false},{"title":"stm32f10x_pwr.h <span style='color:#111;'> 4.19KB </span>","children":null,"spread":false},{"title":"stm32f10x_dbgmcu.h <span style='color:#111;'> 3.06KB </span>","children":null,"spread":false},{"title":"stm32f10x_exti.h <span style='color:#111;'> 6.53KB </span>","children":null,"spread":false},{"title":"stm32f10x_can.h <span style='color:#111;'> 20.02KB </span>","children":null,"spread":false},{"title":"stm32f10x_adc.h <span style='color:#111;'> 20.94KB </span>","children":null,"spread":false},{"title":"stm32f10x_rcc.h <span style='color:#111;'> 28.34KB </span>","children":null,"spread":false},{"title":"stm32f10x_rtc.h <span style='color:#111;'> 3.68KB </span>","children":null,"spread":false},{"title":"stm32f10x_flash.h <span style='color:#111;'> 19.07KB </span>","children":null,"spread":false},{"title":"stm32f10x_sdio.h <span style='color:#111;'> 21.26KB </span>","children":null,"spread":false},{"title":"stm32f10x_wwdg.h <span style='color:#111;'> 2.81KB </span>","children":null,"spread":false},{"title":"stm32f10x_gpio.h <span style='color:#111;'> 16.90KB </span>","children":null,"spread":false}],"spread":false},{"title":"src","children":[{"title":"stm32f10x_adc.c <span style='color:#111;'> 45.91KB </span>","children":null,"spread":false},{"title":"stm32f10x_fsmc.c <span style='color:#111;'> 34.25KB </span>","children":null,"spread":false},{"title":"misc.c <span style='color:#111;'> 6.77KB </span>","children":null,"spread":false},{"title":"stm32f10x_flash.c <span style='color:#111;'> 26.16KB </span>","children":null,"spread":false},{"title":"stm32f10x_rcc.c <span style='color:#111;'> 48.46KB </span>","children":null,"spread":false},{"title":"stm32f10x_wwdg.c <span style='color:#111;'> 5.51KB </span>","children":null,"spread":false},{"title":"stm32f10x_tim.c <span style='color:#111;'> 102.41KB </span>","children":null,"spread":false},{"title":"stm32f10x_iwdg.c <span style='color:#111;'> 4.71KB </span>","children":null,"spread":false},{"title":"stm32f10x_gpio.c <span style='color:#111;'> 18.75KB </span>","children":null,"spread":false},{"title":"stm32f10x_dbgmcu.c <span style='color:#111;'> 4.28KB </span>","children":null,"spread":false},{"title":"stm32f10x_pwr.c <span style='color:#111;'> 8.76KB </span>","children":null,"spread":false},{"title":"stm32f10x_crc.c <span style='color:#111;'> 3.26KB </span>","children":null,"spread":false},{"title":"stm32f10x_dac.c <span style='color:#111;'> 13.70KB </span>","children":null,"spread":false},{"title":"stm32f10x_sdio.c <span style='color:#111;'> 28.13KB </span>","children":null,"spread":false},{"title":"stm32f10x_can.c <span style='color:#111;'> 31.09KB </span>","children":null,"spread":false},{"title":"stm32f10x_bkp.c <span style='color:#111;'> 8.30KB </span>","children":null,"spread":false},{"title":"stm32f10x_rtc.c <span style='color:#111;'> 8.46KB </span>","children":null,"spread":false},{"title":"stm32f10x_usart.c <span style='color:#111;'> 34.23KB </span>","children":null,"spread":false},{"title":"stm32f10x_i2c.c <span style='color:#111;'> 36.75KB </span>","children":null,"spread":false},{"title":"stm32f10x_spi.c <span style='color:#111;'> 29.39KB </span>","children":null,"spread":false},{"title":"stm32f10x_exti.c <span style='color:#111;'> 6.69KB </span>","children":null,"spread":false},{"title":"stm32f10x_dma.c <span style='color:#111;'> 27.46KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}],"spread":true},{"title":"删除目标文件(用于打包备份).bat <span style='color:#111;'> 485B </span>","children":null,"spread":false},{"title":"Project","children":[{"title":"EWARMv5","children":[{"title":"cpu_ram.mac <span style='color:#111;'> 545B </span>","children":null,"spread":false},{"title":"Project.ewd <span style='color:#111;'> 52.22KB </span>","children":null,"spread":false},{"title":"stm32f10x_flash.icf <span style='color:#111;'> 1.31KB </span>","children":null,"spread":false},{"title":"stm32f10x_extsram.icf <span style='color:#111;'> 1.36KB </span>","children":null,"spread":false},{"title":"project.eww <span style='color:#111;'> 161B </span>","children":null,"spread":false},{"title":"stm32f10x_ram.icf <span style='color:#111;'> 1.31KB </span>","children":null,"spread":false},{"title":"说明.txt <span style='color:#111;'> 808B </span>","children":null,"spread":false},{"title":"ext_sram.mac <span style='color:#111;'> 2.58KB </span>","children":null,"spread":false},{"title":"Project.ewp <span style='color:#111;'> 65.19KB </span>","children":null,"spread":false}],"spread":true},{"title":"RVMDK","children":[{"title":"CpuRAM.ini <span style='color:#111;'> 990B </span>","children":null,"spread":false},{"title":"project.Uv2 <span style='color:#111;'> 8.37KB </span>","children":null,"spread":false},{"title":"project.Opt <span style='color:#111;'> 6.03KB </span>","children":null,"spread":false},{"title":"ExtSRAM.ini <span style='color:#111;'> 6.19KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true}]

评论信息

其他资源

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

个人信息

下载历史

相关资源标签

热门下载

最新下载