//定義低音音名
#define L1 262 //低調 do 的周期
#define L2 294 //低調 re 的周期
#define L3 330 //低調 mi 的周期
#define L4 349 //低調 fa 的周期
#define L5 392 //低調 sol的周期
#define L6 440 //低調 la 的周期
#define L7 494 //低調 si 的周期
// 定義中音音名
#define M1 523 //中調 do 的周期
#define M2 587 //中調 re 的周期
#define M3 659 //中調 mi 的周期
#define M4 698 //中調 fa 的周期
#define M5 784 //中調 sol的周期
#define M6 880 //中調 la 的周期
#define M7 988 //中調 si 的周期
//定義高音音名
#define H1 1047 //高調 do 的周期
#define H2 1175 //高調 re 的周期
#define H3 1319 //高調 mi 的周期
#define H4 1397 //高調 fa 的周期
#define H5 1568 //高調 sol的周期
#define H6 176 //高調 la 的周期
#define H7 1976 //高調 si 的周期
#define TT 200
/**樂譜的數組，不同的音樂只需要更改這里
簡譜C語言表示方法
(M5,50)為(音調，音長)
100表示為一個音長(節拍)，
50位半個音長(節拍)，
25位四分之一音長(節拍)******************/
int music[]=
{
////生日快樂歌
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
//兩只老虎
// 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
////歡樂頌
//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
////最炫民族風
// 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
};
/*用來計算有多少個樂譜元素，這樣寫的好處是方便移植，
在更改樂譜的時候不用自己去數有多少個元素*/
int length = sizeof(music)/sizeof(music[0]);//計算數組長度
int main()
{
int i=0;
BASE_TIM_Init();
while(100)
{
for(i=0; i<(length/2); i++)//取數組數據
{
TIM_MODE_Config(TIM4,music[2*i],7199); ///使用TIM4
//音長的時間都乘以5當一拍,不一定是5，
//可以是其它的數字，作用就相當于乘以一個倍率
SysTick_Delay_ms(5*music[2*i+1]);
}
if(i>=(length/2))//當i大于等于數組元素時I清零重新開始播放音樂
{
i=0;
}
}
}
#include "stm32f10x.h"
#include "tim1_8.h"
/*初始化有關GPIO口*/
void TIM_INIT_GPIO(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
//TIMX的CHX時鐘
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);
}
/*有關結構體的定義，
這里定義了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;
//配置時基有關的結構體
TIM_RCC_APB2PeriphClockCmd(TIM_RCC_CLK,ENABLE); // 開啟定時器時鐘,即內部時鐘CK_INT=72M
TIM_TimeBaseStructure.TIM_Period = ARR; // 自動重裝載寄存器的值，累計TIM_Period+1個頻率后產生一個更新或者中斷
TIM_TimeBaseStructure.TIM_Prescaler=PSC; //分頻系數71+1
TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up; // 計數器計數模式向上計數
TIM_TimeBaseInit(TIMx, &TIM_TimeBaseStructure); // 初始化定時器
/*定時器輸出有關結構體*/
TIM_OCInitStructure.TIM_OCMode=TIM_OCMode_PWM2; // 配置為PWM模式1
TIM_OCInitStructure.TIM_OCIdleState=TIM_OCIdleState_Set; // 輸出通道空閑電平極性配置
TIM_OCInitStructure.TIM_OCPolarity=TIM_OCPolarity_High; // 輸出通道電平極性配置，到達跳變值TIM_Pulse，電平跳變為低
TIM_OCInitStructure.TIM_Pulse=ARR; //配置占空比,我這里的配置為ARR=CCRX,這樣就可以使得占空比基本不變。
TIM_OCInitStructure.TIM_OutputState=TIM_OutputState_Enable; // 輸出使能
//配置輸出通道CH3
TIM_OC3Init(TIMx, &TIM_OCInitStructure);
TIM_OC3PreloadConfig(TIMx, TIM_OCPreload_Enable); //使能TIM3在CCR3上的預裝載寄存器
// 使能計數TMX
TIM_Cmd(TIMx, ENABLE);
}
void BASE_TIM_Init(void)
{
TIM_INIT_GPIO();
}
#ifndef __TIM1_8_H
#define __TIM1_8_H
#include "stm32f10x.h"
//通用定時器有關配置
#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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