51单片机声控+语音播报的小风扇制作 -

#include "define.h"
#include "delay.h"
#include "mic.h"
#include "play.h"
#include "motor.h"
#include "led.h"
#include "sfkj.h"
#include "zstz.h"
u8 mode = 0; //速度级别
void change_mode()
{
static u8 i=0,j=0; //计时变量约为8ms
if(mic_flag==2)
{
i++;
if(i>10&&mic_flag==2)
{
//开机确认
if(mode==0)
{
Play_music(PCM8sfkj,sizeof(PCM8sfkj));
j=50;
mic_flag=0;
while(j--)
{
delay_ms(100);
if(mic_flag==2)
{
Play_music(PCM8zstz,sizeof(PCM8zstz));
mode=1;
mic_flag=0;
break;
}
}
}
else if(mode==1)
{
mode=2;
}
else if(mode==2)
{
Play_music(PCM8zstz,sizeof(PCM8zstz));
mode=1;
}
mic_flag=0;
i=0;
}
}
else if(mic_flag==3)
{
i++;
if(i>15&&mic_flag==3)
{
mode=0;
mic_flag=0;
i=0;
}
}
}
void change_PWM()
{
if(mode==0)
{
PCA_PWM0 = 0x03;
CCAP0H = CCAP0L = 0xff;
}
else if(mode==1)
{
PCA_PWM0 = 0x00;
CCAP0H = CCAP0L = CCAP0L-1;
}
else if(mode==2)
{
PCA_PWM0 = 0x00;
CCAP0H = CCAP0L = CCAP0L;
}
}
void main()
{
Timer1Init();
IT0Init();
PWMInit();
Play_init();
delay_ms(1000);
while(1)
{
change_mode();
change_PWM();
Digital_Display_One(CCAP0L/16);
delay_ms(50);
}
}
DELAY.c
#include"DELAY.h"
void delay_ms(uint ms)
{
unsigned char i, j;
do
{
i = TIME_I;
j = TIME_J;
do
{
while (--j);
} while (--i);
}while(--ms);
}
#if Machine_Cycle==12UL
void delay5us() //@12.000MHz
{
_nop_();
}
#elif Machine_Cycle==2UL
void delay5us() //@12.000MHz
{
unsigned char i;
i = 12;
while (--i);
}
#endif
led.c
#include "led.h"
#define Digital_Data P2
code unsigned char leddata[]={
0xB7, //"0"
0x06, //"1"
0x73, //"2"
0x57, //"3"
0xC6, //"4"
0xD5, //"5"
0xF5, //"6"
0x07, //"7"
0xF7, //"8"
0xD7, //"9"
0xE7, //"A"
0xF4, //"B"
0xB1, //"C"
0x76, //"D"
0xF1, //"E"
0xE1, //"F"
0x00, //熄灭
0x00 //自定义
};
//函数名：Digital_Display_One
//功能：显示单个数码管
//参数： Digit:要显示的数字
// pos: 要显示的位置
//注意：不同开发板只需要改写此函数，本文件其他数码管驱动即可使用
void Digital_Display_One(u8 Digit)
{
Digital_Data = leddata[Digit];
}
mic.c
#include "mic.h"
void IT0Init(void) //100微秒@11.0592MHz
{
IT0=1;
EX0=1;
EA=1;
}
void Timer1Init(void) //50毫秒@11.0592MHz
{
AUXR &= 0xBF; //定时器时钟12T模式
TMOD &= 0x0F; //设置定时器模式
TMOD |= 0x10; //设置定时器模式
TL1 = 0x66; //设置定时初值
TH1 = 0xFC; //设置定时初值
TF1 = 0; //清除TF1标志
TR1 = 1; //定时器1开始计时
EA = 1;
ET1 = 1;
}
u32 times=0;
void T1INT() interrupt 3
{
TL1 = 0x66; //设置定时初值
TH1 = 0xFC; //设置定时初值
times++;
}
u8 mic_flag=0;
void EX0INT(void) interrupt 0
{
static u32 last_time=0;
u32 differ;
differ=times-last_time;
last_time=times;
if(differ>1000)
{
mic_flag=1;
}
else if(mic_flag>0&&differ>100&&differ<500)
{
mic_flag++;
}
}
motor.c
#include "motor.h"
void PWMInit()
{
CCON = 0; //清除PCA控制寄存器
CL = 0; //复位PCA定时器计数值
CH = 0;
CMOD=0x0a; //工作模式：频率=Sysclk/4/256=10800Hz 无中断
CCAP0H = CCAP0L = 0xff; //PWM0设置占空比50%
PCA_PWM0 = 0x03;
CCAPM0 = 0x42; //PCA模块0 工作在8比特方式无中断
CR = 1; //PCA定时器运行
}
play.c
#include "play.h"
sbit I2SDATA=P1^4;
sbit I2SWS = P1^5;
sbit I2SBCK = P1^6;
void I2S_Send(u8 dat)
{
u8 i;
u8 t;
I2SDATA=0;
for(i=0;i<8;i++)
{
I2SBCK=1;
I2SBCK=0;
}
t=dat;
for(i=0;i<8;i++)
{
t=t<<1;
I2SDATA=CY;
I2SBCK=1;
I2SBCK=0;
}
I2SWS=~I2SWS;
I2SBCK=1;
I2SBCK=0;
}
void Play_init()
{
I2S_Send(0x80);
I2S_Send(0x80);
I2S_Send(0x80);
I2S_Send(0x80);
}
void Play_music(u8 *Music,u16 sz)
{
u16 i=0,j=0;
u8 flag=0;
for(i=0;i<sz;i++)
{
I2S_Send(Music);
I2S_Send(0);
}
}
音频数据
code const u8 PCM8sfkj[]={
0x80,0x7e,0x80,0x86,0x7c,0x7a,0x81,0x7c,
0x80,0x87,0x7a,0x7c,0x87,0x7d,0x7a,0x86,
0x81,0x78,0x81,0x85,0x7c,0x7d,0x85,0x82,
0x7c,0x7c,0x82,0x81,0x7f,0x83,0x7e,0x7f,
0x80,0x7a,0x81,0x84,0x7f,0x7e,0x7e,0x80,
};
//只是一部分.........太长了...省略...可以去工程中看

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