STM32F030k6t6串口控制PWM脉冲数_stm32串口控制pwm资源-CSDN文库

共298个文件

d：68个

o：67个

crf：66个

需积分: 19 125 浏览量 2022-10-18 11:09:41 上传评论收藏 9MB RAR 举报

STM32F030k6t6是意法半导体（STMicroelectronics）推出的一款基于ARM Cortex-M0内核的微控制器，属于STM32F0系列中的超低功耗型号。这款芯片广泛应用于各种嵌入式系统设计，尤其是那些对成本、功耗和性能有特定需求的项目。在本文中，我们将深入探讨如何通过串口控制STM32F030k6t6的PWM脉冲数，以实现更灵活的电机控制、信号调制或其他模拟信号输出。了解STM32F030k6t6的基本结构是至关重要的。它集成了多个通用定时器，其中TIM6和TIM7是基本定时器，不支持PWM输出；而TIM1、TIM2、TIM3和TIM4则具有PWM功能。我们将主要关注这些定时器，尤其是TIM3，因为它是串口控制PWM脉冲数的理想选择，它有4个独立的PWM通道。 1. **串口通信配置**： STM32F030k6t6内置了多个串行通信接口，如USART或UART。我们需要配置其中一个接口作为主控端，接收来自外部设备（如PC或另一片MCU）的指令。这包括设置波特率、数据位、停止位、奇偶校验等参数，并确保正确地使能中断，以便在接收到数据时能够及时处理。 2. **PWM配置**：在串口接收到PWM脉冲数更新的指令后，我们需要配置TIM3来产生相应的PWM信号。这涉及到以下几个步骤： - 选择工作模式：设置TIM3为PWM模式，通常选择1或2，取决于具体应用需求。 - 配置预分频器：根据所需的PWM频率设定预分频器值，以控制计数器（CNT）的时钟频率。 - 设置自动重载值：此值决定了PWM周期，即从PWM高电平到低电平的总时间。 - 设置比较寄存器：通过修改比较寄存器的值，可以改变PWM占空比，从而改变脉冲数。 3. **中断处理**：当串口接收到新的PWM脉冲数时，会触发一个中断。在中断服务程序（ISR）中，我们需要读取接收到的数据并更新TIM3的比较寄存器值，以实时调整PWM脉冲数。记得在完成操作后清除中断标志位，防止重复执行。 4. **安全考虑**：在实现串口控制PWM时，必须考虑到系统的稳定性和安全性。例如，应避免在PWM更新过程中中断定时器的运行，以防出现不可预期的结果。此外，还需要对输入数据进行有效性检查，防止错误的PWM值导致硬件损坏。 5. **软件框架**：使用如FreeRTOS这样的实时操作系统（RTOS）可以提供更健壮的框架来管理串口通信和PWM更新。RTOS允许并发任务的执行，使得串口接收和PWM更新可以在不同线程中独立进行，提高系统的响应性和效率。 6. **实例代码**：实现上述功能通常需要编写C语言代码，使用STM32CubeMX生成初始的HAL库配置，然后在用户代码中添加串口接收中断处理函数和PWM配置函数。通过上述步骤，我们能够成功地通过串口控制STM32F030k6t6的PWM脉冲数，实现远程或动态调整PWM输出。这在诸如伺服电机控制、亮度调节、音频信号生成等多种应用场景中具有极大的实用性。在实际应用中，还需要根据具体硬件电路和系统需求进行适当的调整。

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STM32F030k6t6串口控制PWM脉冲数（298个子文件）

Template.uvguix.24157 89KB

Template.axf 288KB

Template.axf 287KB

Template_sct.Bak 494B

Template.BAT 3KB

stm32f0xx_tim.c 130KB

stm32f0xx_rtc.c 93KB

stm32f0xx_usart.c 92KB

stm32f0xx_rcc.c 69KB

stm32f0xx_can.c 57KB

stm32f0xx_i2c.c 55KB

stm32f0xx_spi.c 52KB

stm32f0xx_adc.c 47KB

stm32f0xx_dma.c 46KB

stm32f0xx_flash.c 42KB

stm32f0xx_dac.c 26KB

stm32f0xx_cec.c 24KB

stm32f0xx_gpio.c 21KB

stm32f0xx_pwr.c 20KB

stm32f0xx_syscfg.c 19KB

stm32f0xx_comp.c 15KB

system_stm32f0xx.c 14KB

stm32f0xx_crs.c 14KB

system_stm32f0xx.c 12KB

stm32f0xx_iwdg.c 11KB

stm32f0xx_exti.c 11KB

stm32f0xx_crc.c 11KB

stm32f0xx_wwdg.c 10KB

stm32f0xx_dbgmcu.c 7KB

stm32f0xx_misc.c 6KB

uart.c 4KB

stm32f0xx_it.c 4KB

time.c 2KB

delay.c 1KB

main.c 1KB

led.c 877B

sys.c 370B

stm32f0xx_tim.crf 327KB

stm32f0xx_rtc.crf 323KB

stm32f0xx_can.crf 315KB

stm32f0xx_rcc.crf 315KB

stm32f0xx_usart.crf 315KB

stm32f0xx_flash.crf 313KB

stm32f0xx_i2c.crf 313KB

uart.crf 312KB

stm32f0xx_spi.crf 311KB

stm32f0xx_adc.crf 310KB

stm32f0xx_dma.crf 310KB

stm32f0xx_dac.crf 309KB

stm32f0xx_gpio.crf 308KB

stm32f0xx_crs.crf 308KB

stm32f0xx_cec.crf 308KB

time.crf 308KB

stm32f0xx_pwr.crf 308KB

system_stm32f0xx_1.crf 308KB

main_1.crf 308KB

stm32f0xx_crc.crf 308KB

main_1.crf 308KB

stm32f0xx_syscfg.crf 308KB

system_stm32f0xx.crf 307KB

stm32f0xx_exti.crf 307KB

stm32f0xx_comp.crf 307KB

main.crf 307KB

stm32f0xx_wwdg.crf 307KB

led.crf 307KB

stm32f0xx_iwdg.crf 307KB

delay.crf 307KB

stm32f0xx_dbgmcu.crf 307KB

stm32f0xx_misc.crf 306KB

stm32f0xx_it_1.crf 306KB

stm32f0xx_it.crf 306KB

共 298 条

T36F8 008:314 SEGGER J-Link V4.96d Log File (0002ms, 0004ms total) T36F8 008:314 DLL Compiled: Jan 29 2015 11:45:37 (0002ms, 0004ms total) T36F8 008:314 Logging started @ 2019-07-03 20:48 (0002ms, 0004ms total) T36F8 008:316 JLINK_SetWarnOutHandler(...) (0000ms, 0004ms total) T36F8 008:316 JLINK_OpenEx(...) ***** Error: Can not connect to J-Link via USB. returns "Can not connect to J-Link via USB." (0000ms, 0004ms total) ***** API Error: API JLINK_GetHardwareVersion function called before JLINKARM_Open() T36F8 008:317 ***** Error: Can not connect to J-Link via USB.JLINK_GetDLLVersion() returns 49604 (0000ms, 0004ms total) ***** API Error: API JLINK_CORE_GetFound function called before JLINKARM_Open() T36F8 023:272 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_GetDebugInfo function called before JLINKARM_Open() T36F8 023:272 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_SetSpeed function called before JLINKARM_Open() T36F8 024:669 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_WriteMem function called before JLINKARM_Open() T36F8 024:669 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_ReadMem function called before JLINKARM_Open() T36F8 024:669 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_SetSpeed function called before JLINKARM_Open() T36F8 024:670 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_WriteMem function called before JLINKARM_Open() T36F8 024:670 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_ReadMem function called before JLINKARM_Open() T36F8 024:670 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_SetSpeed function called before JLINKARM_Open() T36F8 024:670 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_WriteMem function called before JLINKARM_Open() T36F8 024:671 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_ReadMem function called before JLINKARM_Open() T36F8 024:671 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_SetSpeed function called before JLINKARM_Open() T36F8 024:671 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_WriteMem function called before JLINKARM_Open() T36F8 024:671 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_ReadMem function called before JLINKARM_Open() T36F8 024:671 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_SetSpeed function called before JLINKARM_Open() T36F8 024:672 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_WriteMem function called before JLINKARM_Open() T36F8 024:672 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_ReadMem function called before JLINKARM_Open() T36F8 024:672 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_SetSpeed function called before JLINKARM_Open() T36F8 024:672 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_WriteMem function called before JLINKARM_Open() T36F8 024:673 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_ReadMem function called before JLINKARM_Open() T36F8 024:673 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_SetSpeed function called before JLINKARM_Open() T36F8 024:673 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_WriteMem function called before JLINKARM_Open() T36F8 024:673 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_ReadMem function called before JLINKARM_Open() T36F8 024:674 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_SetSpeed function called before JLINKARM_Open() T36F8 024:674 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_WriteMem function called before JLINKARM_Open() T36F8 024:674 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_ReadMem function called before JLINKARM_Open() T36F8 024:674 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_SetSpeed function called before JLINKARM_Open() T36F8 024:674 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_WriteMem function called before JLINKARM_Open() T36F8 024:675 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_ReadMem function called before JLINKARM_Open() T36F8 024:675 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_SetSpeed function called before JLINKARM_Open() T36F8 024:675 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_WriteMem function called before JLINKARM_Open() T36F8 024:675 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_ReadMem function called before JLINKARM_Open() T36F8 024:676 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_SetSpeed function called before JLINKARM_Open() T36F8 024:676 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_WriteMem function called before JLINKARM_Open() T36F8 024:676 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_ReadMem function called before JLINKARM_Open() T36F8 024:676 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_SetSpeed function called before JLINKARM_Open() T36F8 024:677 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_WriteMem function called before JLINKARM_Open() T36F8 024:677 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_ReadMem function called before JLINKARM_Open() T36F8 024:677 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_SetSpeed function called before JLINKARM_Open() T36F8 024:677 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_WriteMem function called before JLINKARM_Open() T36F8 024:677 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_ReadMem function called before JLINKARM_Open() T36F8 024:678 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_SetSpeed function called before JLINKARM_Open() T36F8 024:678 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_WriteMem function called before JLINKARM_Open() T36F8 024:678 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_ReadMem function called before JLINKARM_Open() T36F8 024:678 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_SetSpeed function called before JLINKARM_Open() T36F8 024:679 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_WriteMem function called before JLINKARM_Open() T36F8 024:679 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_ReadMem function called before JLINKARM_Open() T36F8 024:679 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_SetSpeed function called before JLINKARM_Open() T36F8 024:679 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_WriteMem function called before JLINKARM_Open() T36F8 024:680 ***** Error: Can not connect to J-Link via USB. ***** API Error: API JLINK_ReadMem function called before JLINKARM_Open() T36F8 024:680 ***** Error: Can not connect to J-Link via USB.JLINK_IsOpen() returns 0x00 (0000ms, 0013ms total) T36F8 024:683 JLINK_EMU_SelectByUSBSN(SerialNo = 0) returns 0xFFFFFFFF (0000ms, 0013ms total) T36F8 024:683 JLINK_EnableLog(...) (0000ms, 0013ms total) T