写一个stm32f103rct6做MCUA3982为步进电机驱动芯片使用PWM控制步进电机速度的驱动芯片定时器TIM2 CH1PWM引脚PB0DIR引脚PB10ENABLE引脚P11A3982的A相引脚是1和24B相引脚是4和21

#include "stm32f10x.h"

#define DIR_PIN GPIO_Pin_10 #define ENABLE_PIN GPIO_Pin_11 #define A_PHASE_PIN1 GPIO_Pin_1 #define A_PHASE_PIN2 GPIO_Pin_4 #define B_PHASE_PIN1 GPIO_Pin_21 #define B_PHASE_PIN2 GPIO_Pin_24

void GPIO_Configuration(void); void TIM_Configuration(void);

int main(void) { GPIO_Configuration(); TIM_Configuration();

while(1)
{

}

}

void GPIO_Configuration(void) { GPIO_InitTypeDef GPIO_InitStructure;

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);

// Configure DIR and ENABLE pins as output
GPIO_InitStructure.GPIO_Pin = DIR_PIN | ENABLE_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);

// Configure A and B phase pins as alternate function output
GPIO_InitStructure.GPIO_Pin = A_PHASE_PIN1 | A_PHASE_PIN2 | B_PHASE_PIN1 | B_PHASE_PIN2;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);

}

void TIM_Configuration(void) { GPIO_InitTypeDef GPIO_InitStructure; TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure;

RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);

// Configure PB0 as PWM output
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);

// Configure TIM2
TIM_TimeBaseStructure.TIM_Period = 1000; // Set the PWM frequency to 1 kHz
TIM_TimeBaseStructure.TIM_Prescaler = 72; // Set the timer prescaler to 72
TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);

// Configure TIM2 CH1 as PWM output
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_Pulse = 0; // Set the initial duty cycle to 0%
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
TIM_OC1Init(TIM2, &TIM_OCInitStructure);
TIM_OC1PreloadConfig(TIM2, TIM_OCPreload_Enable);

// Enable TIM2
TIM_Cmd(TIM2, ENABLE);

}