STM8l串口中断代码

上传者: fengxiaofeifei | 上传时间: 2025-10-13 15:12:58 | 文件大小: 671KB | 文件类型: RAR
STM8L系列是STMicroelectronics公司推出的一系列超低功耗微控制器,广泛应用于各种嵌入式系统。STM8L15X是该系列中的一员,具有丰富的外设接口和低功耗特性,适合于电池供电或者对能耗有严格要求的应用。在这款微控制器中,串口通信(UART,Universal Asynchronous Receiver/Transmitter)是一种常用的数据传输方式,常用于设备间的短距离通信。 串口通信中断功能是STM8L15X的一个重要特性,它允许微控制器在接收到数据或完成发送时无需持续轮询,而是通过中断处理程序来处理通信事件。这种方式可以显著降低系统的能耗,并提高处理器效率。 "STM8l串口中断代码"是指利用STM8L15X的串口硬件中断功能实现数据收发的程序。在串口设置中,我们需要开启接收中断(RXNEIE),当串口接收寄存器(RDR,Receive Data Register)中有新的数据时,就会触发中断。中断服务程序(ISR,Interrupt Service Routine)会在中断发生时执行,读取RDR中的数据并进行相应处理,例如发送回相同的字符。 中断服务程序的基本结构可能如下: 1. **开启串口接收中断**:设置串口控制寄存器的相关位,如STM8L15X的UARTx_CR1中的RXNEIE,开启接收中断。 2. **初始化串口**:配置波特率、数据位、停止位和奇偶校验等参数,如通过设置UARTx_BRR寄存器设置波特率。 3. **中断处理函数**: - 检查中断标志位:如读取UARTx_SR中的RXNE(Receive Data Ready)标志,确认是否由接收完成引起中断。 - 读取数据:使用UARTx_DR寄存器读取接收到的数据。 - 数据处理:这里可能是简单的将接收到的数据再次发送出去。 - 清除中断标志:清除中断标志位,如写1到UARTx_SR的RXNE位,以便下一次中断。 4. **关闭串口接收中断**:在适当的时候,可能需要关闭中断以避免不必要的中断请求。 文件"UART_IT"很可能包含了与STM8L15X串口中断相关的C语言代码,可能包括了上述步骤的实现。这个文件通常会包含中断服务函数定义,以及初始化和数据处理的函数。为了正确运行,还需要确保全局中断使能,并在适当的位置调用中断初始化函数。 STM8L15X的串口中断功能使得数据收发更加高效和节能。通过编写适当的中断服务程序,我们可以实现串口数据的自动接收和响应,这对于需要实时处理串口数据的应用场景尤为关键。理解和应用串口中断代码是开发STM8L15X系统时的重要技能。

文件下载

资源详情

[{"title":"( 139 个子文件 671KB ) STM8l串口中断代码","children":[{"title":"stm8l15x_tim1.c <span style='color:#111;'> 78.86KB </span>","children":null,"spread":false},{"title":"stm8l15x_rtc.c <span style='color:#111;'> 56.57KB </span>","children":null,"spread":false},{"title":"stm8l15x_tim2.c <span style='color:#111;'> 48.87KB </span>","children":null,"spread":false},{"title":"stm8l15x_tim5.c <span style='color:#111;'> 48.85KB </span>","children":null,"spread":false},{"title":"stm8l15x_tim3.c <span style='color:#111;'> 48.76KB </span>","children":null,"spread":false},{"title":"stm8l15x_i2c.c <span style='color:#111;'> 41.46KB </span>","children":null,"spread":false},{"title":"stm8l15x_usart.c <span style='color:#111;'> 26.35KB </span>","children":null,"spread":false},{"title":"stm8l15x_flash.c <span style='color:#111;'> 24.49KB </span>","children":null,"spread":false},{"title":"stm8l15x_dac.c <span style='color:#111;'> 20.50KB </span>","children":null,"spread":false},{"title":"stm8l15x_clk.c <span style='color:#111;'> 19.92KB </span>","children":null,"spread":false},{"title":"stm8l15x_adc.c <span style='color:#111;'> 19.76KB </span>","children":null,"spread":false},{"title":"stm8l15x_spi.c <span style='color:#111;'> 16.08KB </span>","children":null,"spread":false},{"title":"stm8l15x_comp.c <span style='color:#111;'> 15.85KB </span>","children":null,"spread":false},{"title":"stm8l15x_dma.c <span style='color:#111;'> 15.78KB </span>","children":null,"spread":false},{"title":"stm8l_it.c <span style='color:#111;'> 15.00KB </span>","children":null,"spread":false},{"title":"stm8l15x_tim4.c <span style='color:#111;'> 14.78KB </span>","children":null,"spread":false},{"title":"stm8l15x_exti.c <span style='color:#111;'> 12.75KB </span>","children":null,"spread":false},{"title":"stm8l15x_lcd.c <span style='color:#111;'> 11.78KB </span>","children":null,"spread":false},{"title":"stm8l15x_syscfg.c <span style='color:#111;'> 10.71KB </span>","children":null,"spread":false},{"title":"stm8l15x_aes.c <span style='color:#111;'> 9.80KB </span>","children":null,"spread":false},{"title":"stm8l15x_itc.c <span style='color:#111;'> 9.54KB </span>","children":null,"spread":false},{"title":"stm8l15x_gpio.c <span style='color:#111;'> 8.79KB </span>","children":null,"spread":false},{"title":"stm8l15x_pwr.c <span style='color:#111;'> 6.33KB </span>","children":null,"spread":false},{"title":"stm8l15x_wfe.c <span style='color:#111;'> 6.22KB </span>","children":null,"spread":false},{"title":"stm8l15x_beep.c <span style='color:#111;'> 5.20KB </span>","children":null,"spread":false},{"title":"stm8l15x_wwdg.c <span style='color:#111;'> 4.35KB </span>","children":null,"spread":false},{"title":"stm8l15x_irtim.c <span style='color:#111;'> 3.54KB </span>","children":null,"spread":false},{"title":"stm8l15x_iwdg.c <span style='color:#111;'> 3.35KB </span>","children":null,"spread":false},{"title":"stm8l15x_rst.c <span style='color:#111;'> 2.77KB </span>","children":null,"spread":false},{"title":"stm8_interrupt_vector.c <span style='color:#111;'> 1.93KB </span>","children":null,"spread":false},{"title":"main.c <span style='color:#111;'> 1005B </span>","children":null,"spread":false},{"title":"demo.dep <span style='color:#111;'> 47.51KB </span>","children":null,"spread":false},{"title":"demo.elf <span style='color:#111;'> 23.08KB </span>","children":null,"spread":false},{"title":"stm8l15x.h <span style='color:#111;'> 120.53KB </span>","children":null,"spread":false},{"title":"stm8l15x_rtc.h <span style='color:#111;'> 34.15KB </span>","children":null,"spread":false},{"title":"stm8l15x_tim1.h <span style='color:#111;'> 34.15KB </span>","children":null,"spread":false},{"title":"stm8l15x_i2c.h <span style='color:#111;'> 34.14KB </span>","children":null,"spread":false},{"title":"stm8l15x_tim2.h <span style='color:#111;'> 27.30KB </span>","children":null,"spread":false},{"title":"stm8l15x_tim5.h <span style='color:#111;'> 27.30KB </span>","children":null,"spread":false},{"title":"stm8l15x_tim3.h <span style='color:#111;'> 27.25KB </span>","children":null,"spread":false},{"title":"stm8l15x_lcd.h <span style='color:#111;'> 21.40KB </span>","children":null,"spread":false},{"title":"stm8l15x_syscfg.h <span style='color:#111;'> 18.85KB </span>","children":null,"spread":false},{"title":"stm8l15x_clk.h <span style='color:#111;'> 18.14KB </span>","children":null,"spread":false},{"title":"stm8l15x_adc.h <span style='color:#111;'> 16.36KB </span>","children":null,"spread":false},{"title":"stm8l15x_usart.h <span style='color:#111;'> 14.69KB </span>","children":null,"spread":false},{"title":"stm8l15x_spi.h <span style='color:#111;'> 13.58KB </span>","children":null,"spread":false},{"title":"stm8l15x_dma.h <span style='color:#111;'> 13.30KB </span>","children":null,"spread":false},{"title":"stm8l15x_flash.h <span style='color:#111;'> 12.72KB </span>","children":null,"spread":false},{"title":"stm8l15x_tim4.h <span style='color:#111;'> 10.88KB </span>","children":null,"spread":false},{"title":"stm8l15x_itc.h <span style='color:#111;'> 10.87KB </span>","children":null,"spread":false},{"title":"stm8l15x_dac.h <span style='color:#111;'> 10.42KB </span>","children":null,"spread":false},{"title":"stm8l15x_comp.h <span style='color:#111;'> 9.65KB </span>","children":null,"spread":false},{"title":"stm8l15x_exti.h <span style='color:#111;'> 9.25KB </span>","children":null,"spread":false},{"title":"stm8l15x_wfe.h <span style='color:#111;'> 7.64KB </span>","children":null,"spread":false},{"title":"stm8l15x_gpio.h <span style='color:#111;'> 6.30KB </span>","children":null,"spread":false},{"title":"stm8l15x_aes.h <span style='color:#111;'> 5.02KB </span>","children":null,"spread":false},{"title":"stm8l15x_iwdg.h <span style='color:#111;'> 4.63KB </span>","children":null,"spread":false},{"title":"stm8l15x_pwr.h <span style='color:#111;'> 4.23KB </span>","children":null,"spread":false},{"title":"stm8l_it.h <span style='color:#111;'> 3.72KB </span>","children":null,"spread":false},{"title":"stm8l15x_beep.h <span style='color:#111;'> 3.52KB </span>","children":null,"spread":false},{"title":"stm8l15x_conf.h <span style='color:#111;'> 3.21KB </span>","children":null,"spread":false},{"title":"stm8l15x_rst.h <span style='color:#111;'> 3.12KB </span>","children":null,"spread":false},{"title":"stm8l15x_wwdg.h <span style='color:#111;'> 2.55KB </span>","children":null,"spread":false},{"title":"stm8l15x_irtim.h <span style='color:#111;'> 2.14KB </span>","children":null,"spread":false},{"title":"demo.lkf <span style='color:#111;'> 2.93KB </span>","children":null,"spread":false},{"title":"demo.lkf <span style='color:#111;'> 2.86KB </span>","children":null,"spread":false},{"title":"stm8l15x_tim1.ls <span style='color:#111;'> 111.93KB </span>","children":null,"spread":false},{"title":"stm8l15x_rtc.ls <span style='color:#111;'> 103.90KB </span>","children":null,"spread":false},{"title":"stm8l15x_tim2.ls <span style='color:#111;'> 81.48KB </span>","children":null,"spread":false},{"title":"stm8l15x_tim5.ls <span style='color:#111;'> 81.46KB </span>","children":null,"spread":false},{"title":"stm8l15x_tim3.ls <span style='color:#111;'> 81.28KB </span>","children":null,"spread":false},{"title":"stm8l15x_i2c.ls <span style='color:#111;'> 53.32KB </span>","children":null,"spread":false},{"title":"stm8l15x_usart.ls <span style='color:#111;'> 39.46KB </span>","children":null,"spread":false},{"title":"stm8l15x_clk.ls <span style='color:#111;'> 36.76KB </span>","children":null,"spread":false},{"title":"stm8l15x_dac.ls <span style='color:#111;'> 35.17KB </span>","children":null,"spread":false},{"title":"stm8l15x_exti.ls <span style='color:#111;'> 29.31KB </span>","children":null,"spread":false},{"title":"stm8l15x_adc.ls <span style='color:#111;'> 29.29KB </span>","children":null,"spread":false},{"title":"stm8l15x_flash.ls <span style='color:#111;'> 26.46KB </span>","children":null,"spread":false},{"title":"stm8l15x_dma.ls <span style='color:#111;'> 24.33KB </span>","children":null,"spread":false},{"title":"stm8l15x_spi.ls <span style='color:#111;'> 23.61KB </span>","children":null,"spread":false},{"title":"stm8l15x_comp.ls <span style='color:#111;'> 23.16KB </span>","children":null,"spread":false},{"title":"stm8l15x_itc.ls <span style='color:#111;'> 22.49KB </span>","children":null,"spread":false},{"title":"stm8l15x_tim4.ls <span style='color:#111;'> 21.68KB </span>","children":null,"spread":false},{"title":"stm8l15x_syscfg.ls <span style='color:#111;'> 19.79KB </span>","children":null,"spread":false},{"title":"stm8l15x_lcd.ls <span style='color:#111;'> 19.38KB </span>","children":null,"spread":false},{"title":"stm8l15x_wfe.ls <span style='color:#111;'> 14.19KB </span>","children":null,"spread":false},{"title":"stm8l15x_aes.ls <span style='color:#111;'> 13.61KB </span>","children":null,"spread":false},{"title":"stm8l_it.ls <span style='color:#111;'> 12.08KB </span>","children":null,"spread":false},{"title":"stm8l15x_gpio.ls <span style='color:#111;'> 12.04KB </span>","children":null,"spread":false},{"title":"stm8l15x_pwr.ls <span style='color:#111;'> 9.14KB </span>","children":null,"spread":false},{"title":"stm8l15x_beep.ls <span style='color:#111;'> 6.80KB </span>","children":null,"spread":false},{"title":"main.ls <span style='color:#111;'> 6.00KB </span>","children":null,"spread":false},{"title":"stm8_interrupt_vector.ls <span style='color:#111;'> 5.41KB </span>","children":null,"spread":false},{"title":"stm8l15x_wwdg.ls <span style='color:#111;'> 3.93KB </span>","children":null,"spread":false},{"title":"stm8l15x_irtim.ls <span style='color:#111;'> 3.08KB </span>","children":null,"spread":false},{"title":"stm8l15x_iwdg.ls <span style='color:#111;'> 2.40KB </span>","children":null,"spread":false},{"title":"stm8l15x_rst.ls <span style='color:#111;'> 1.54KB </span>","children":null,"spread":false},{"title":"demo.map <span style='color:#111;'> 92.32KB </span>","children":null,"spread":false},{"title":"stm8l15x_tim1.o <span style='color:#111;'> 64.43KB </span>","children":null,"spread":false},{"title":"stm8l15x_rtc.o <span style='color:#111;'> 47.91KB </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多,未全部展示</span>","children":null,"spread":false}],"spread":true}]

评论信息

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