PUYA — TIM on CLing

PUYA TIM — TIM1_6Step

Tue, 08 Sep 2026 14:52:21 +0800

TIM — TIM1_6Step

固件库: PY32L020_Firmware V1.2.1
芯片: PUYA
源文件: PUYA/PY32L020_Firmware_V1.2.1/Projects/PY32L020-STK/Example/TIM/TIM1_6Step/Src/main.c

功能简介

本示例演示定时器 6 步换相功能。这是无刷直流电机（BLDC）驱动的核心技术，通过 6 个功率管按顺序导通实现电机旋转。

完整代码

#include "main.h"

int main(void)
{
  /* Reset of all peripherals, Initializes the Systick. */ 
  HAL_Init();
      
  TimHandle.Instance = TIM1;                                                      /* TIM1 */
  TimHandle.Init.Period            = 100 - 1;                                     /* Period = 100 - 1 */
  TimHandle.Init.Prescaler         = 24 - 1;                                      /* Prescaler = 24 - 1 */
  TimHandle.Init.ClockDivision     = TIM_CLOCKDIVISION_DIV1;                      /* ClockDivision = 0 */
  TimHandle.Init.CounterMode       = TIM_COUNTERMODE_UP;                          /* Counter direction = Up */
  TimHandle.Init.RepetitionCounter = 1 - 1;                                       /* Repetition = 0 */
  TimHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;              /* Auto-reload register not buffered */
  if (HAL_TIM_Base_Init(&TimHandle) != HAL_OK)                                    /* Initialize TIM1 */
  {
    APP_ErrorHandler();
  }

  /* PWM Config */
  sConfig1.OCMode       = TIM_OCMODE_TIMING;                                      /* Channel Mode: TIMING */
  sConfig1.OCPolarity   = TIM_OCPOLARITY_HIGH;                                    /* Channel effective polarity: high level */
  sConfig1.OCNPolarity  = TIM_OCNPOLARITY_HIGH;                                   /* Complementary channel effective polarity: high level */
  sConfig1.OCIdleState  = TIM_OCIDLESTATE_RESET;                                  /* Channel idle state: low level */
  sConfig1.OCNIdleState = TIM_OCNIDLESTATE_RESET;                                 /* Complementary channel idle state: low level */
  sConfig1.OCFastMode   = TIM_OCFAST_DISABLE;                                     /* Disable OC Fast Mode */
  /* Configure Channel 1 Comparison Value 50 */
  sConfig1.Pulse        = 50 - 1;
  /* Configure TIM1 Channel1 */
  if (HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig1, TIM_CHANNEL_1) != HAL_OK)
  {
    APP_ErrorHandler();
  }
  
  sConfig2 = sConfig1;
  /* Configure Channel 2 Comparison Value 50 */
  sConfig2.Pulse        = 50 - 1;
  /* Configure TIM1 Channel2 */
  if (HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig2, TIM_CHANNEL_2) != HAL_OK)
  {
    APP_ErrorHandler();
  }
  
  sConfig3 = sConfig1;
  /* Configure Channel 3 Comparison Value 50 */
  sConfig3.Pulse        = 50 - 1;
  /* Configure TIM1 Channel3 */
  if (HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig3, TIM_CHANNEL_3) != HAL_OK)
  {
    APP_ErrorHandler();
  }
  
  /* Configuring commutation events: software mode */
  HAL_TIMEx_ConfigCommutEvent_IT(&TimHandle, TIM_TS_NONE, TIM_COMMUTATION_SOFTWARE);
  
  while (1)
  {

  }
}

代码讲解

板级初始化：初始化开发板上的 LED、按键等基础外设。

定时器配置：设置预分频器（PSC）和重装载值（ARR），定时时间 = (PSC+1) × (ARR+1) / 时钟频率。

PWM 配置：在定时器基础上设置比较值（CCR），占空比 = CCR / (ARR+1)。CCR 越大占空比越高。

PUYA TIM — TIM1_InputCapture

Tue, 08 Sep 2026 14:52:21 +0800

TIM — TIM1_InputCapture

固件库: PY32L020_Firmware V1.2.1
芯片: PUYA
源文件: PUYA/PY32L020_Firmware_V1.2.1/Projects/PY32L020-STK/Example/TIM/TIM1_InputCapture/Src/main.c

功能简介

本示例演示定时器输入捕获功能。当外部信号边沿到来时，定时器自动记录当前计数值，可以精确测量信号的脉宽和频率。

完整代码

#include "main.h"

int main(void)
{
  /* Reset of all peripherals, Initializes the Systick. */ 
  HAL_Init();
  
  /* Initialize LED */
  BSP_LED_Init(LED_GREEN);
    
  TimHandle.Instance = TIM1;                                            /* TIM1 */
  TimHandle.Init.Period            = 8000 - 1;                          /* Period = 8000 - 1 */
  TimHandle.Init.Prescaler         = 3000 - 1;                          /* Prescaler = 3000 - 1 */
  TimHandle.Init.ClockDivision     = TIM_CLOCKDIVISION_DIV1;            /* ClockDivision = 0 */
  TimHandle.Init.CounterMode       = TIM_COUNTERMODE_UP;                /* Counter direction = Up */
  TimHandle.Init.RepetitionCounter = 1 - 1;                             /* Repetition = 0 */
  TimHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;    /* Auto-reload register not buffered */
  if (HAL_TIM_Base_Init(&TimHandle) != HAL_OK)                          /* Initialize TIM1 */
  {
    APP_ErrorHandler();
  }

  /* Select the edge of the active transition on the TI1 channel: rising edge */
  sICConfig.ICPolarity  = TIM_ICPOLARITY_RISING;                               
  /* Select the active input: IC1 = TI1FP1 */
  sICConfig.ICSelection = TIM_ICSELECTION_DIRECTTI;                             
  /* Set input prescaler: prescaler is disabled */
  sICConfig.ICPrescaler = TIM_ICPSC_DIV1;                                      
  /* Configure the input filter duration: no filter needed */
  sICConfig.ICFilter    = 0;                                                    
  /* Configure the Input Capture of channel 1 */
  if (HAL_TIM_IC_ConfigChannel(&TimHandle, &sICConfig, TIM_CHANNEL_1) != HAL_OK) 
  {
    APP_ErrorHandler();
  }
  /* Start the Input Capture in interrupt mode */
  if (HAL_TIM_IC_Start_IT(&TimHandle, TIM_CHANNEL_1) != HAL_OK)                    
  {
    APP_ErrorHandler();
  }
  while (1)
  {

  }
}

代码讲解

板级初始化：初始化开发板上的 LED、按键等基础外设。

定时器配置：设置预分频器（PSC）和重装载值（ARR），定时时间 = (PSC+1) × (ARR+1) / 时钟频率。

PUYA TIM — TIM1_InputCapture_XORCh1Ch2Ch3

Tue, 08 Sep 2026 14:52:21 +0800

TIM — TIM1_InputCapture_XORCh1Ch2Ch3

固件库: PY32L020_Firmware V1.2.1
芯片: PUYA
源文件: PUYA/PY32L020_Firmware_V1.2.1/Projects/PY32L020-STK/Example/TIM/TIM1_InputCapture_XORCh1Ch2Ch3/Src/main.c

功能简介

本示例演示定时器输入捕获功能。当外部信号边沿到来时，定时器自动记录当前计数值，可以精确测量信号的脉宽和频率。

完整代码

#include "main.h"

int main(void)
{
  /* Reset of all peripherals, Initializes the Systick. */ 
  HAL_Init();
  
  /* Initialize LED */
  BSP_LED_Init(LED_GREEN);
    
  TimHandle.Instance = TIM1;                                            /* TIM1 */
  TimHandle.Init.Period            = 8000 - 1;                          /* Period = 8000 - 1 */
  TimHandle.Init.Prescaler         = 3000 - 1;                          /* Prescaler = 3000 - 1 */
  TimHandle.Init.ClockDivision     = TIM_CLOCKDIVISION_DIV1;            /* ClockDivision = 0  */
  TimHandle.Init.CounterMode       = TIM_COUNTERMODE_UP;                /* Counter direction = Up */
  TimHandle.Init.RepetitionCounter = 1 - 1;                             /* Repetition = 0 */
  TimHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;    /* Auto-reload register not buffered */
  if (HAL_TIM_Base_Init(&TimHandle) != HAL_OK)                          /* Initialize TIM1 */
  {
    APP_ErrorHandler();
  }

  HAL_TIM_ConfigTI1Input(&TimHandle, TIM_TI1SELECTION_XORCOMBINATION);  /* input signal Select XOR combination with CH1/CH2/CH3 */
  
  /* Select the edge of the active transition on the TI1 channel: rising edge or falling edge */
  sICConfig.ICPolarity  = TIM_ICPOLARITY_BOTHEDGE;                               
  /* Select the active input: IC1 = TI1FP1 */
  sICConfig.ICSelection = TIM_ICSELECTION_DIRECTTI;                             
  /* Set input prescaler: prescaler is disabled */
  sICConfig.ICPrescaler = TIM_ICPSC_DIV1;                                      
  /* Configure the input filter duration: no filter needed */
  sICConfig.ICFilter    = 0;                                                    
  /* Channel 1 Input Capture Configure */
  if (HAL_TIM_IC_ConfigChannel(&TimHandle, &sICConfig, TIM_CHANNEL_1) != HAL_OK) 
  {
    APP_ErrorHandler();
  }
  /* Start Channel 1 Input Capture in interrupt mode */
  if (HAL_TIM_IC_Start_IT(&TimHandle, TIM_CHANNEL_1) != HAL_OK)                    
  {
    APP_ErrorHandler();
  }
  while (1)
  {

  }
}

代码讲解

板级初始化：初始化开发板上的 LED、按键等基础外设。

定时器配置：设置预分频器（PSC）和重装载值（ARR），定时时间 = (PSC+1) × (ARR+1) / 时钟频率。

PUYA TIM — TIM1_OC_Toggle

Tue, 08 Sep 2026 14:52:21 +0800

TIM — TIM1_OC_Toggle

固件库: PY32L020_Firmware V1.2.1
芯片: PUYA
源文件: PUYA/PY32L020_Firmware_V1.2.1/Projects/PY32L020-STK/Example/TIM/TIM1_OC_Toggle/Src/main.c

功能简介

本示例演示输出比较模式。定时器计数到设定值时自动翻转/置高/置低引脚，可以生成精确的方波信号。

完整代码

#include "main.h"

int main(void)
{
  /* Reset of all peripherals, Initializes the Systick. */ 
  HAL_Init();
      
  TimHandle.Instance = TIM1;                                                      /* TIM1 */
  TimHandle.Init.Period            = 8000 - 1;                                    /* Period = 8000 - 1 */
  TimHandle.Init.Prescaler         = 3000 - 1;                                    /* Prescaler = 3000 - 1 */
  TimHandle.Init.ClockDivision     = TIM_CLOCKDIVISION_DIV1;                      /* ClockDivision = 0 */
  TimHandle.Init.CounterMode       = TIM_COUNTERMODE_UP;                          /* Counter direction = Up */
  TimHandle.Init.RepetitionCounter = 1 - 1;                                       /* Repetition = 0 */
  TimHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;              /* Auto-reload register not buffered */
  if (HAL_TIM_Base_Init(&TimHandle) != HAL_OK)                                    /* Initialize TIM1 */
  {
    APP_ErrorHandler();
  }

  sConfig.OCMode       = TIM_OCMODE_TOGGLE;                                       /* Set output compare mode: TOGGLE */
  sConfig.OCPolarity   = TIM_OCPOLARITY_HIGH;                                     /* OC Polarity High */
  sConfig.OCFastMode   = TIM_OCFAST_DISABLE;                                      /* Disable OC Fast Mode */
  sConfig.OCNPolarity  = TIM_OCNPOLARITY_HIGH;                                    /* OCN Polarity High */
  sConfig.OCNIdleState = TIM_OCNIDLESTATE_RESET;                                  /* OCN Idle state reset */
  sConfig.OCIdleState  = TIM_OCIDLESTATE_RESET;                                   /* OC Idle state reset */
  
  sConfig.Pulse = 2000;                                                           /* OC1 value 2000 */
  if (HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_1) != HAL_OK)    /* OC1 Channel Config */
  {
    APP_ErrorHandler();
  }

  if (HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_1) != HAL_OK)                      /* TIM OC1 Start */
  {
    APP_ErrorHandler();
  }

  while (1)
  {

  }
}

代码讲解

板级初始化：初始化开发板上的 LED、按键等基础外设。

定时器配置：设置预分频器（PSC）和重装载值（ARR），定时时间 = (PSC+1) × (ARR+1) / 时钟频率。

PUYA TIM — TIM1_OC_Toggle_IT

Tue, 08 Sep 2026 14:52:21 +0800

TIM — TIM1_OC_Toggle_IT

固件库: PY32L020_Firmware V1.2.1
芯片: PUYA
源文件: PUYA/PY32L020_Firmware_V1.2.1/Projects/PY32L020-STK/Example/TIM/TIM1_OC_Toggle_IT/Src/main.c

功能简介

本示例演示输出比较模式。定时器计数到设定值时自动翻转/置高/置低引脚，可以生成精确的方波信号。

完整代码

#include "main.h"

int main(void)
{
  /* Reset of all peripherals, Initializes the Systick. */ 
  HAL_Init();
      
  TimHandle.Instance = TIM1;                                                      /* TIM1 */
  TimHandle.Init.Period            = 8000 - 1;                                    /* Period = 8000 - 1 */
  TimHandle.Init.Prescaler         = 3000 - 1;                                    /* Prescaler = 3000 - 1 */
  TimHandle.Init.ClockDivision     = TIM_CLOCKDIVISION_DIV1;                      /* ClockDivision = 0 */
  TimHandle.Init.CounterMode       = TIM_COUNTERMODE_UP;                          /* Counter direction = Up */
  TimHandle.Init.RepetitionCounter = 1 - 1;                                       /* Repetition = 0 */
  TimHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;              /* Auto-reload register not buffered */
  if (HAL_TIM_Base_Init(&TimHandle) != HAL_OK)                                    /* Initialize TIM1 */
  {
    APP_ErrorHandler();
  }

  sConfig.OCMode       = TIM_OCMODE_TOGGLE;                                       /* Set output compare mode: TOGGLE */
  sConfig.OCPolarity   = TIM_OCPOLARITY_HIGH;                                     /* OC Polarity High */
  sConfig.OCFastMode   = TIM_OCFAST_DISABLE;                                      /* Disable OC Fast Mode */
  sConfig.OCNPolarity  = TIM_OCNPOLARITY_HIGH;                                    /* OCN Polarity High */
  sConfig.OCNIdleState = TIM_OCNIDLESTATE_RESET;                                  /* OCN Idle state reset */
  sConfig.OCIdleState  = TIM_OCIDLESTATE_RESET;                                   /* OC Idle state reset */
  
  sConfig.Pulse = 2000;                                                           /* OC1 value 2000 */
  if (HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_1) != HAL_OK)    /* OC1 Channel Config */
  {
    APP_ErrorHandler();
  }

  /* Enable TIM1 update interrupt */
  __HAL_TIM_ENABLE_IT(&TimHandle,TIM_IT_UPDATE);

  if (HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_1) != HAL_OK)                      /* TIM OC1 Start */
  {
    APP_ErrorHandler();
  }

  while (1)
  {

  }
}

代码讲解

板级初始化：初始化开发板上的 LED、按键等基础外设。

定时器配置：设置预分频器（PSC）和重装载值（ARR），定时时间 = (PSC+1) × (ARR+1) / 时钟频率。

PUYA TIM — TIM1_PWM

Tue, 08 Sep 2026 14:52:21 +0800

TIM — TIM1_PWM

固件库: PY32L020_Firmware V1.2.1
芯片: PUYA
源文件: PUYA/PY32L020_Firmware_V1.2.1/Projects/PY32L020-STK/Example/TIM/TIM1_PWM/Src/main.c

功能简介

本示例演示定时器的基本用法。定时器是 MCU 最灵活的外设之一，可以实现定时、PWM、输入捕获、编码器等多种功能。

完整代码

#include "main.h"
#define  PERIOD_VALUE       (uint32_t)(2000 - 1)
#define  PULSE1_VALUE       400
#define  PULSE2_VALUE       800
#define  PULSE3_VALUE       1200
#define  PULSE4_VALUE       1600

代码讲解

代码结构清晰，主要包含外设初始化配置和主循环中的功能逻辑。请结合注释理解每一步的含义。

PUYA TIM — TIM1_Update_IT

Tue, 08 Sep 2026 14:52:21 +0800

TIM — TIM1_Update_IT

固件库: PY32L020_Firmware V1.2.1
芯片: PUYA
源文件: PUYA/PY32L020_Firmware_V1.2.1/Projects/PY32L020-STK/Example/TIM/TIM1_Update_IT/Src/main.c

功能简介

本示例演示定时器的基本用法。定时器是 MCU 最灵活的外设之一，可以实现定时、PWM、输入捕获、编码器等多种功能。

完整代码

`1`	`#include "main.h"`

代码讲解

代码结构清晰，主要包含外设初始化配置和主循环中的功能逻辑。请结合注释理解每一步的含义。