前辈,我需要CH32V003J4M6开启TIM2的PC2(T2CH2_)PWM输出,这是个复用PIN,我不懂复用重映射配置,麻烦帮忙提供下资源范例或代码.谢谢!

/********************************** (C) COPYRIGHT *******************************

 * File Name          : main.c

 * Author             : WCH

 * Version            : V1.0.0

 * Date               : 2022/08/08

 * Description        : Main program body.

*********************************************************************************

* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.

* Attention: This software (modified or not) and binary are used for 

* microcontroller manufactured by Nanjing Qinheng Microelectronics.

*******************************************************************************/

/*

 *@Note

 PWM output routine:

 TIM1_CH1(PD2)

 This example demonstrates that the TIM_CH1(PD2) pin outputs PWM in PWM mode 1

 and PWM mode 2.

*/

#include "debug.h"

/* PWM Output Mode Definition */

#define PWM_MODE1   0

#define PWM_MODE2   1

/* PWM Output Mode Selection */

//#define PWM_MODE PWM_MODE1

#define PWM_MODE PWM_MODE2

/*********************************************************************

 * @fn      TIM1_OutCompare_Init

 *

 * @brief   Initializes TIM1 output compare.

 *

 * @param   arr - the period value.

 *          psc - the prescaler value.

 *          ccp - the pulse value.

 *

 * @return  none

 */

void TIM2_PWMOut_Init(u16 arr, u16 psc, u16 ccp)

{

    GPIO_InitTypeDef GPIO_InitStructure={0};

    TIM_OCInitTypeDef TIM_OCInitStructure={0};

    TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure={0};

    RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOC | RCC_APB2Periph_AFIO, ENABLE );

    GPIO_PinRemapConfig(GPIO_PartialRemap1_TIM2, ENABLE);

    RCC_APB1PeriphClockCmd( RCC_APB1Periph_TIM2, ENABLE );

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;

    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;

    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

    GPIO_Init( GPIOC, &GPIO_InitStructure );

    TIM_TimeBaseInitStructure.TIM_Period = arr;

    TIM_TimeBaseInitStructure.TIM_Prescaler = psc;

    TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;

    TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;

    TIM_TimeBaseInit( TIM2, &TIM_TimeBaseInitStructure);

#if (PWM_MODE == PWM_MODE1)

  TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;

#elif (PWM_MODE == PWM_MODE2)

    TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;

#endif

    TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;

    TIM_OCInitStructure.TIM_Pulse = ccp;

    TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;

    TIM_OC2Init( TIM2, &TIM_OCInitStructure );

    TIM_CtrlPWMOutputs(TIM2, ENABLE );

    TIM_OC2PreloadConfig( TIM2, TIM_OCPreload_Disable );

    TIM_ARRPreloadConfig( TIM2, ENABLE );

    TIM_Cmd( TIM2, ENABLE );

}

/*********************************************************************

 * @fn      main

 *

 * @brief   Main program.

 *

 * @return  none

 */

int main(void)

{

    USART_Printf_Init(115200);

    printf("SystemClk:%d\r\n",SystemCoreClock);

    TIM2_PWMOut_Init( 100, 48000-1, 50 );

    while(1);

}

你好 ，参考这个。