//定义低音音名
#define L1 262 //低调 do 的周期
#define L2 294 //低调 re 的周期
#define L3 330 //低调 mi 的周期
#define L4 349 //低调 fa 的周期
#define L5 392 //低调 sol的周期
#define L6 440 //低调 la 的周期
#define L7 494 //低调 si 的周期
// 定义中音音名
#define M1 523 //中调 do 的周期
#define M2 587 //中调 re 的周期
#define M3 659 //中调 mi 的周期
#define M4 698 //中调 fa 的周期
#define M5 784 //中调 sol的周期
#define M6 880 //中调 la 的周期
#define M7 988 //中调 si 的周期
//定义高音音名
#define H1 1047 //高调 do 的周期
#define H2 1175 //高调 re 的周期
#define H3 1319 //高调 mi 的周期
#define H4 1397 //高调 fa 的周期
#define H5 1568 //高调 sol的周期
#define H6 176 //高调 la 的周期
#define H7 1976 //高调 si 的周期
#define TT 200
/**乐谱的数组，不同的音乐只需要更改这里
简谱C语言表示方法
(M5,50)为(音调，音长)
100表示为一个音长(节拍)，
50位半个音长(节拍)，
25位四分之一音长(节拍)******************/
int music[]=
{
////生日快乐歌
M5,50,M5,25,M5,25,
M6,100,M5,100,H1,100,
M7,100,M7,100,M5,50,M5,25,M5,25,
M6,100,M5,100,H2,100,
H1,100,H1,100,M5,50,M5,25,M5,25,
H5,100,H3,100,H1,100,
M7,100,M6,100,H4,50,H4,25,H4,25,
H3,100,H1,100,H2,100,H1,100,H1,100
//两只老虎
// L1,4,L2,4,L3,4,L1,4,
// L1,4,L2,4,L3,4,L1,4,
// L3,4,L4,4,L5,8,
// L3,4,L4,4,L5,8,
// L5,3,L6,1,L5,3,L6,1,L3,4,L1,4,
// L5,3,L6,1,L5,3,L6,1,L3,4,L1,4,
// L2,4,M5,4,L1,8,
// L2,4,M5,4,L1,8
////欢乐颂
//M3,8,M3,8,M4,8,M5,8,
//M5,8,M4,8,M3,8,M2,8,
//M1,8,M1,8,M2,8,M3,8,
//M3,12,M2,4,M2,16,
//M3,8,M3,8,M4,8,M5,8,
//M5,8,M4,8,M3,8,M2,8,
//M1,8,M1,8,M2,8,M3,8,
//M2,12,M1,4,M1,16,
//M2,8,M2,8,M3,8,M1,8,
//M2,8,M3,4,M4,4,M3,8,M1,8,
//M2,8,M3,4,M4,4,M3,8,M2,8,
//M1,8,M2,8,L5,8,M3,8,
//M3,8,M3,8,M4,8,M5,8,
//M5,8,M4,8,M3,8,M4,4,M2,4,
//M1,8,M1,8,M2,8,M3,8,
//M2,12,M1,4,M1,16,
//M2,8,M2,8,M3,8,M1,8,
//M2,8,M3,4,M4,4,M3,8,M1,8,
//M2,8,M3,4,M4,4,M3,8,M2,8,
//M1,8,M2,8,L5,8,M3,8,
//M3,8,M3,8,M4,8,M5,8,
//M5,8,M4,8,M3,8,M4,4,M2,4,
//M1,8,M1,8,M2,8,M3,8,
//M2,12,M1,4,M1,16
////最炫民族风
// L6,TT/4,L3,TT/8,L5,TT/8,L6,TT/4,L6,TT/8,M1,TT/8,M1,TT/4,M2,TT/8,M1,TT/8,L6,TT/2,M1,TT/4,M1,TT/8,L5,TT/8,M1,TT/8,M2,TT/8,M3,TT/8,M5,TT/8,
// M5,TT/8,M3,TT/8,M2,TT/4,M3,TT/2,M6,TT/8,M6,TT/8,M6,TT/8,M5,TT/8,M3,TT/8,M3,TT/4,M1,TT/8,L6,TT/8,L6,TT/8,L6,TT/8,M3,TT/8,
// M2,TT/2,M3,TT/8,M3,TT/8,M5,TT/8,M3,TT/8,M2,TT/8,M3,TT/8,M2,TT/8,M1,TT/8,L6,TT/4,L5,TT/4,L6,TT/2,
// L6,TT/4,L3,TT/8,L5,TT/8,L6,TT/4,L6,TT/8,M1,TT/8,M1,TT/4,M2,TT/8,M1,TT/8,L6,TT/2,M1,TT/4,M1,TT/8,L5,TT/8,M1,TT/8,M2,TT/8,M3,TT/8,M5,TT/8,
// M5,TT/8,M3,TT/8,M2,TT/4,M3,TT/2,M6,TT/8,M6,TT/8,M6,TT/8,M5,TT/8,M3,TT/8,M3,TT/4,M1,TT/8,L6,TT/8,L6,TT/8,L6,TT/8,M3,TT/8,
// M2,TT/2,M3,TT/8,M3,TT/8,M5,TT/8,M3,TT/8,M2,TT/8,M3,TT/8,M2,TT/8,M1,TT/8,L6,TT/4,L5,TT/4,L6,TT/2,
// M3,TT/8,M3,TT/8,M5,TT/8,M3,TT/8,M3,TT/8,M5,TT/8,M5,TT/8,M6,TT/8,H1,TT/8,M6,TT/8,M5,TT/4,M6,TT/2,L6,TT/4,L6,TT/8,
// L5,TT/8,L6,TT/4,M1,TT/4,M2,TT/8,M3,TT/16,M2,TT/16,M1,TT/8,M2,TT/8,M3,TT/2,L6,TT/8,M6,TT/8,M6,TT/8,M5,TT/8,M2,TT/8,M3,TT/16,M2,TT/16,
// M1,TT/8,M2,TT/8,M3,TT/2,
// M1,TT/8,L6,TT/8,L6,TT/8,M1,TT/8,M2,TT/4,L5,TT/8,L5,TT/8,M3,TT/8,M5,TT/8,M3,TT/8,M2,TT/8,M1,TT/2,L6,TT/8,M1,TT/8,M2,TT/8,M3,TT/8,M2,TT/8,M1,TT/8,
// L5,TT/8,L3,TT/8,L6,TT/2,L6,TT/4,L6,TT/8,L5,TT/8,L6,TT/4,M1,TT/4,M2,TT/8,M3,TT/16,M2,TT/16,M1,TT/8,M2,TT/8,M3,TT/2,L6,TT/8,M6,TT/8,
// M6,TT/8,M5,TT/8,M2,TT/8,M3,TT/16,M2,TT/16,
// M1,TT/8,M2,TT/8,M3,TT/2,
// M1,TT/8,L6,TT/8,L6,TT/8,M1,TT/8,M2,TT/4,L5,TT/8,L5,TT/8,M3,TT/8,M5,TT/8,M3,TT/8,M2,TT/8,M1,TT/4+TT/8,M1,TT/8,L6,TT/8,
// M1,TT/8,M2,TT/8,M3,TT/8,M5,TT/8,M3,TT/8,M3,TT/8,M5,TT/8,M6,TT/2,M6,TT/2,L6,TT/4,L6,TT/8,L5,TT/8,L6,TT/4,
// L6,TT/8,M1,TT/8,M2,TT/8,M3,TT/16,M2,TT/16,M1,TT/8,M2,TT/8,M3,TT/2,
// M6,TT/8,M5,TT/8,M3,TT/8,M2,TT/8,M5,TT/8,M3,TT/8,M2,TT/8,M1,TT/8,M1,TT/2,
// L6,TT/4,L6,TT/8,L5,TT/8,L6,TT/4,M1,TT/4,M2,TT/8,M3,TT/16,M2,TT/16,M1,TT/8,M2,TT/8,M3,TT/2,L6,TT/8,M6,TT/8,M6,TT/8,M5,TT/8,M2,TT/8,M3,TT/16,M2,TT/16,
// M1,TT/8,M2,TT/8,M3,TT/2,
// M1,TT/8,L6,TT/8,L6,TT/8,M1,TT/8,M2,TT/4,L5,TT/8,L5,TT/8,M3,TT/8,M5,TT/8,M3,TT/8,M2,TT/8,M1,TT/2,L6,TT/8,M1,TT/8,M2,TT/8,M3,TT/8,M2,TT/8,M1,TT/8,
// L5,TT/8,L3,TT/8,L6,TT/2,L6,TT/4,L6,TT/8,L5,TT/8,L6,TT/4,M1,TT/4,M2,TT/8,M3,TT/16,M2,TT/16,M1,TT/8,M2,TT/8,M3,TT/2,L6,TT/8,M6,TT/8,
// M6,TT/8,M5,TT/8,M2,TT/8,M3,TT/16,M2,TT/16,
// M1,TT/8,M2,TT/8,M3,TT/2,
// M1,TT/8,L6,TT/8,L6,TT/8,M1,TT/8,M2,TT/4,L5,TT/8,L5,TT/8,M3,TT/8,M5,TT/8,M3,TT/8,M2,TT/8,M1,TT/4+TT/8,M1,TT/8,L6,TT/8,
// M1,TT/8,M2,TT/8,M3,TT/8,M5,TT/8,M3,TT/8,M3,TT/8,M5,TT/8,M6,TT/2,M6,TT/2,
// 0,0
};
/*用来计算有多少个乐谱元素，这样写的好处是方便移植，
在更改乐谱的时候不用自己去数有多少个元素*/
int length = sizeof(music)/sizeof(music[0]);//计算数组长度
int main()
{
int i=0;
BASE_TIM_Init();
while(100)
{
for(i=0; i<(length/2); i++)//取数组数据
{
TIM_MODE_Config(TIM4,music[2*i],7199); ///使用TIM4
//音长的时间都乘以5当一拍,不一定是5，
//可以是其它的数字，作用就相当于乘以一个倍率
SysTick_Delay_ms(5*music[2*i+1]);
}
if(i>=(length/2))//当i大于等于数组元素时I清零重新开始播放音乐
{
i=0;
}
}
}
#include "stm32f10x.h"
#include "tim1_8.h"
/*初始化有关GPIO口*/
void TIM_INIT_GPIO(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
//TIMX的CHX时钟
CH1_TIM_GPIO_APB2_CLK(CH1_TIMX_GPIO_CHX_CLK,ENABLE );
GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin=CH1_TIMX_GPIO_CHX_PIN;
GPIO_Init(CH1_TIMX_GPIO_CHX_PORN, &GPIO_InitStructure);
}
/*有关结构体的定义，
这里定义了ARR=CCRX的值*/
void TIM_MODE_Config(TIM_TypeDef* TIMx, uint16_t ARR, uint16_t PSC)
{
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
//配置时基有关的结构体
TIM_RCC_APB2PeriphClockCmd(TIM_RCC_CLK,ENABLE); // 开启定时器时钟,即内部时钟CK_INT=72M
TIM_TimeBaseStructure.TIM_Period = ARR; // 自动重装载寄存器的值，累计TIM_Period+1个频率后产生一个更新或者中断
TIM_TimeBaseStructure.TIM_Prescaler=PSC; //分频系数71+1
TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up; // 计数器计数模式向上计数
TIM_TimeBaseInit(TIMx, &TIM_TimeBaseStructure); // 初始化定时器
/*定时器输出有关结构体*/
TIM_OCInitStructure.TIM_OCMode=TIM_OCMode_PWM2; // 配置为PWM模式1
TIM_OCInitStructure.TIM_OCIdleState=TIM_OCIdleState_Set; // 输出通道空闲电平极性配置
TIM_OCInitStructure.TIM_OCPolarity=TIM_OCPolarity_High; // 输出通道电平极性配置，到达跳变值TIM_Pulse，电平跳变为低
TIM_OCInitStructure.TIM_Pulse=ARR; //配置占空比,我这里的配置为ARR=CCRX,这样就可以使得占空比基本不变。
TIM_OCInitStructure.TIM_OutputState=TIM_OutputState_Enable; // 输出使能
//配置输出通道CH3
TIM_OC3Init(TIMx, &TIM_OCInitStructure);
TIM_OC3PreloadConfig(TIMx, TIM_OCPreload_Enable); //使能TIM3在CCR3上的预装载寄存器
// 使能计数TMX
TIM_Cmd(TIMx, ENABLE);
}
void BASE_TIM_Init(void)
{
TIM_INIT_GPIO();
}
#ifndef __TIM1_8_H
#define __TIM1_8_H
#include "stm32f10x.h"
//通用定时器有关配置
#define TIM_RCC_APB2PeriphClockCmd RCC_APB1PeriphClockCmd
#define TIM_RCC_CLK RCC_APB1Periph_TIM4
//CH1
#define CH1_TIM_GPIO_APB2_CLK RCC_APB2PeriphClockCmd
#define CH1_TIMX_GPIO_CHX_PIN GPIO_Pin_8
#define CH1_TIMX_GPIO_CHX_PORN GPIOB
#define CH1_TIMX_GPIO_CHX_CLK RCC_APB2Periph_GPIOB
void BASE_TIM_Init(void);
void TIM_MODE_Config(TIM_TypeDef* TIMx,u16 ARR, u16 PSC);
#endif /*__TIM1_8_H*/
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