#ifndef _PWM_H
#define _PWM_H

#include "stdint.h"

/*---------------------- 配置 ------------------------*/

#define LCD_PWM_PORT GPIOD
#define LCD_PWM_CLK RCC_AHB1Periph_GPIOD
#define LCD_PWM_PIN GPIO_Pin_13
#define LCD_PWM_AF GPIO_AF_TIM4
#define LCD_PWM_PinSource GPIO_PinSource13

#define LCD_TIM_CLK RCC_APB1Periph_TIM4
#define LCD_TIM TIM4

/*-------------------- 函数声明 ----------------------*/

void LCD_PWMinit(uint8_t pulse);     // PWM初始化
void LCD_PwmSetPulse(uint8_t pulse); // 设置占空比
// 获取屏幕亮度
uint8_t LCD_PwmGetPulse(void);

#endif