[CH32V003-SSP] PWM Timer1 CH4 테스트

CH32V003에서 PC4(TIM1_CH4) 에서 PWM 출력을 해야 하는 프로젝트가 있어 테스트 중인데 PWM출력이 나오지 않는다.
예전에 CH32V003 보드에서 테스트 했던 코드를 확인해 볼까..

 

 

 

[CH32V003-SSP] 보드에 실장되어 있는 LED는 T1CH4(PC4) 에 서 테스트 해 보자

 

 

 

 

#include "debug.h"

/* PWM Output Mode Definition */
#define PWM_MODE1   0
#define PWM_MODE2   1

/* PWM Output Mode Selection */
#define PWM_MODE PWM_MODE2

void TIM1_PWMOut_InitCH4(u16 arr, u16 psc, u16 ccp)
{
    GPIO_InitTypeDef GPIO_InitStructure={0};
    TIM_OCInitTypeDef TIM_OCInitStructure={0};
    TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure={0};

    GPIO_PinRemapConfig(GPIO_PartialRemap1_TIM1, ENABLE);

   RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOC , ENABLE );
   RCC_APB2PeriphClockCmd( RCC_APB2Periph_TIM1, ENABLE );

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
    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( TIM1, &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_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
    TIM_OC1Init( TIM1, &TIM_OCInitStructure );
    TIM_OC2Init( TIM1, &TIM_OCInitStructure );
    TIM_OC4Init( TIM1, &TIM_OCInitStructure );

    TIM_CtrlPWMOutputs(TIM1, ENABLE );
    TIM_OC2PreloadConfig( TIM1, TIM_OCPreload_Disable );
    TIM_OC4PreloadConfig( TIM1, TIM_OCPreload_Disable );
    TIM_ARRPreloadConfig( TIM1, ENABLE );
    TIM_Cmd( TIM1, ENABLE );
}


int main(void)
{
    USART_Printf_Init(115200);
    printf("SystemClk:%d\r\n",SystemCoreClock);

    TIM1_PWMOut_InitCH4( 1000, 4800-1, 500 );

    while(1);
}