基于51单片机的spwm波形产生程序

#include “spwm.h“
#include “adc.h“




void SPWM_Init（u16 arru16 psc）                                                                            //TIM1
{
		GPIO_InitTypeDef GPIO_InitStructure;
    TIM_TimebaseInitTypeDef  TIM_TimebaseStructure;
    TIM_OCInitTypeDef  TIM_OCInitStructure;
////////////////////////////
    RCC_APB2PeriphClockCmd（RCC_APB2Periph_TIM8 ENABLE）;                           //使能TIMx外设
    RCC_APB2PeriphClockCmd（RCC_APB2Periph_GPIOC ENABLE）;                        //使能GPIOA外设时钟使能
///////////////////////// //设置该引脚为复用输出功能输出TIM1 CH1的PWM脉冲波形
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8;                                                        //TIM1_CH1
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;                                         //复用功能输出
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init（GPIOC &GPIO_InitStructure）;                                                               //初始化GPIO
///