单片机ws2812程序无法用按键控制? -

#include<STC8Hxxx.h>
#include"intrins.h"
sbit WS2812 = P3^2;
sbit Power= P1^0;//ws2812电源开关
sbit key_left= P2^0;//按键左
sbit key_right= P2^1;//按键右
sbit key_ok= P2^2;//按键确认
sbit key_Return= P2^3;//按键返回
#define numLEDs 64 //灯的个数
unsigned char buf_R[numLEDs] = {0};//颜色缓存
unsigned char buf_G[numLEDs] = {0};
unsigned char buf_B[numLEDs] = {0};
unsigned char Timer0_cnt=0;//记录定时器0中断次数
unsigned char list=1;//播放列表
void RGB_Set_Up(); //送0码
void RGB_Set_Down(); //送1码
void Timer0_Init();//按键扫描定时器0初始化
void key_service();//按键服务程序
//void playlist(unsigned char list);
//真对 STC8系列 IO口初始化准双向
void IO_init(void)
{
P0M0 = 0X00;
P0M1 = 0X00;
P1M0 = 0X01;
P1M1 = 0X00;
P2M0 = 0X00;
P2M1 = 0X00;
P3M0 = 0X00;
P3M1 = 0X00;
P4M0 = 0X00;
P4M1 = 0X00;
P5M0 = 0X00;
P5M1 = 0X00;
}
void HAL_Delay(unsigned long t)
{
unsigned int x,y;
for(x=114;x>0;x--)
for(y=t;y>0;y--);
}
//复位延时
void Delay50us() //@22.1184MHz
{
unsigned char i, j;
_nop_();
_nop_();
i = 2;
j = 15;
do
{
while (--j);
} while (--i);
}
//1码，高电平850ns 低电平400ns 误差正负150ns
void RGB_Set_Up()
{
WS2812 = 1;
//经过逻辑分析仪调试的的延时
_nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_();
_nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_();
WS2812 = 0;
}
//1码，高电平400ns 低电平850ns 误差正负150ns
void RGB_Set_Down()
{
WS2812 = 1;
//经过逻辑分析仪调试的的延时
_nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_();
WS2812 = 0;
}
//发送24位数据
void Send_2812_24bits(unsigned char G8,unsigned char R8,unsigned char B8)
{
unsigned int n = 0;
//发送G8位
for(n=0;n<8;n++)
{
G8<<=n;
if(G8&0x80 == 0x80)
{
RGB_Set_Up();
}
else
{
RGB_Set_Down();
}
}
//发送R8位
for(n=0;n<8;n++)
{
R8<<=n;
if(R8&0x80 == 0x80)
{
RGB_Set_Up();
}
else
{
RGB_Set_Down();
}
}
//发送B8位
for(n=0;n<8;n++)
{
B8<<=n;
if(B8&0x80 == 0x80)
{
RGB_Set_Up();
}
else
{
RGB_Set_Down();
}
}
}
//复位码
void RGB_Rst()
{
WS2812 = 0;
Delay50us();
}
//颜色交换24位不拆分发
void SetPixelColor(unsigned char num,unsigned long c)
{
unsigned char i;
for(i=0;i<numLEDs;i++)
{
buf_R[num] = (unsigned char)(c>>16);
buf_G[num] = (unsigned char)(c>>8);
buf_B[num] = (unsigned char)(c);
}
for(i=0;i<numLEDs;i++)
{
Send_2812_24bits(buf_G[i],buf_R[i],buf_B[i]);
}
}
//复位
void PixelUpdate()
{
RGB_Rst();
}
// Fill the dots one after the other with a color
//用一种颜色填充这些圆点
void colorWipe(unsigned long c, unsigned int wait)
{
unsigned char i=0;
for( i=0; i<numLEDs; i++)
{
SetPixelColor(i, c);
PixelUpdate();
HAL_Delay(wait*5);
}
}
void Watercolor(unsigned long c, unsigned int wait)
{
unsigned char i=0;
for( i=0; i<numLEDs; i++)
{
SetPixelColor(i, c);
PixelUpdate();
HAL_Delay(wait*5);
SetPixelColor(i, 0);
PixelUpdate();
HAL_Delay(wait);
}
}
//颜色
unsigned long Color(unsigned char r, unsigned char g, unsigned char b)
{
return ((unsigned long)r << 16) | ((unsigned long)g << 8) | b;
}
//颜色算法
unsigned long Wheel(unsigned char WheelPos)
{
WheelPos = 255 - WheelPos;
if(WheelPos < 85)
{
return Color(255 - WheelPos * 3, 0, WheelPos * 3);
}
if(WheelPos < 170) {
WheelPos -= 85;
return Color(0, WheelPos * 3, 255 - WheelPos * 3);
}
WheelPos -= 170;
return Color(WheelPos * 3, 255 - WheelPos * 3, 0);
}
//彩虹
void rainbow(unsigned int wait)
{
unsigned int i, j;
for(j=0; j<256; j++)
{
for(i=0; i<numLEDs; i++)
{
SetPixelColor(i, Wheel((i+j) & 255));
}
PixelUpdate();
HAL_Delay(wait);
}
}
//稍微不同的是，这使得彩虹均匀分布
void rainbowCycle(unsigned int wait)
{
unsigned int i, j;
for(j=0;j<256*5;j++)
{ // 5 cycles of all colors on wheel 车轮上所有颜色的5个循环
for(i=0;i<numLEDs;i++)
{
SetPixelColor(i, Wheel(((i * 256 / numLEDs) + j) & 255));
}
PixelUpdate();
HAL_Delay (wait);
}
}
//Theatre-style crawling lights with rainbow effect
//带有彩虹效果的戏剧式爬行灯
void theaterChaseRainbow(unsigned int wait)
{
int j,q;
unsigned int i;
for (j=0; j < 256; j++)
{ // cycle all 256 colors in the wheel 在轮子上循环所有256色
for (q=0; q < 3; q++)
{
for (i=0; i < numLEDs; i=i+3)
{
SetPixelColor(i+q, Wheel( (i+j) % 255)); //turn every third pixel off 把每一个第三个像素
}
PixelUpdate();
HAL_Delay(wait);
for (i=0; i < numLEDs; i=i+3)
{
SetPixelColor(i+q, 0); //turn every third pixel off 把每一个第三个像素关掉
}
}
}
}
void colorWipe_1()//颜色刷1
{
colorWipe(0xff0000,1); //红色
HAL_Delay(10000);
colorWipe(0xff00,1); //绿色
HAL_Delay(10000);
colorWipe(0xff,1);//蓝色
HAL_Delay(10000);
colorWipe(0xffff00,1); //黄色
HAL_Delay(10000);
colorWipe(0xffff,1); //青色
HAL_Delay(10000);
colorWipe(0xff00ff,1); //紫色
HAL_Delay(10000);
colorWipe(0xffffff,1); //白色
HAL_Delay(10000);
colorWipe(0x00,1); //off
HAL_Delay(10000);
}
void colorWipe_2()//颜色刷2
{
Watercolor(0xff0000, 100);//红色
HAL_Delay(1000);
Watercolor(0xff00, 100);//绿色
HAL_Delay(1000);
Watercolor(0xff, 100);//蓝色
HAL_Delay(1000);
Watercolor(0xffff00, 100); //黄色
HAL_Delay(1000);
Watercolor(0xffff, 100);//青色
HAL_Delay(1000);
Watercolor(0xff00ff, 100); //紫色
HAL_Delay(1000);
Watercolor(0xffffff, 100); //白色
HAL_Delay(1000);
colorWipe(0x00,1); //off
HAL_Delay(10000);
}
void colorWipe_3()//颜色刷3
{
colorWipe(0xff0000,100); //红色
HAL_Delay(1000);
colorWipe(0x00,100); //0ff
HAL_Delay(1000);
colorWipe(0xff00,100); //绿色
HAL_Delay(1000);
colorWipe(0x00,100); //0ff
HAL_Delay(1000);
colorWipe(0xff,100);//蓝色
HAL_Delay(1000);
colorWipe(0x00,100); //0ff
HAL_Delay(1000);
colorWipe(0xffff00,100); //黄色
HAL_Delay(1000);
colorWipe(0x00,100); //0ff
HAL_Delay(1000);
colorWipe(0xffff,100); //青色
HAL_Delay(1000);
colorWipe(0x00,100); //0ff
HAL_Delay(1000);
colorWipe(0xff00ff,100); //紫色
HAL_Delay(1000);
colorWipe(0x00,100); //0ff
HAL_Delay(1000);
colorWipe(0xffffff,100); //白色
HAL_Delay(1000);
colorWipe(0x00,100); //0ff
HAL_Delay(1000);
}
void main()
{
IO_init(); //io口初始化
IT1 = 1; //设置INT1的中断类型 (1:仅下降沿 0:上升沿和下降沿)
EX1 = 1;//使能INT1中断
INTCLKO|=0x10;//开启外部中断2
EA = 1; //开启总中断
Timer0_Init();//按键扫描定时器0初始化
while(1)
{
key_service();//按键服务程序
switch(list)
{
case 1: colorWipe_1(); break;//颜色刷1
case 2: colorWipe_2(); break;//颜色刷2
case 3: colorWipe_3(); break;//颜色刷3
case 4: rainbow(10); break;//彩虹
case 5: rainbowCycle(10); break;//彩虹2
case 6: theaterChaseRainbow(10); break;//彩虹升级
default:break;
}
}
}
//-----------------------------------------
//按键定时器初始化程序
void Timer0_Init(void) //20毫秒@22.1184MHz
{
AUXR &= 0x7F; //定时器时钟12T模式
TMOD &= 0xF0; //设置定时器模式
TMOD |= 0x01; //设置定时器模式16位模式
TL0 = 0x00; //设置定时初始值
TH0 = 0x70; //设置定时初始值
TF0 = 0; //清除TF0标志
//ET0 = 1; //定时器0中断开启
TR0 = 1; //定时器0开始计时
}
void Delay10ms() //@22.1184MHz 按键消抖10ms延时
{
unsigned char i, j, k;
i = 2;
j = 32;
k = 60;
do
{
do
{
while (--k);
} while (--j);
} while (--i);
}
//按键扫描服务程序
void key_service()//按键服务程序
{
if(TF0==1)
{
TF0 = 0; //清除TF0标志
TL0 = 0x9A; //设置定时初始值
TH0 = 0xA9; //设置定时初始值
if(key_Return==0)//返回键扫描
{
Delay10ms(); //按键消抖延时@22.1184MHz
if(key_Return==1)
{
RGB_Rst();//复位
colorWipe(0xffffff,100); //白色
PCON=0x02;//进入掉电模式
_nop_();
_nop_();
}
while(!key_Return);//等待按键松开
}
if(key_ok == 0)//OK键扫描
{
Delay10ms(); //按键消抖延时@22.1184MHz
if(key_ok==0)
{
RGB_Rst();//复位
colorWipe(0xffff00,100); //黄色
PCON=0x02;//进入掉电模式
_nop_();
_nop_();
}
while(!key_ok);//等待按键松开
}
if( key_left == 0)//按键左键扫描
{
Delay10ms(); //按键消抖延时@22.1184MHz
if(key_left==0)
{
RGB_Rst();//复位
list--;
}
while(!key_left);//等待按键松开
}
if(key_right == 0)//按键右键扫描
{
Delay10ms(); //按键消抖延时@22.1184MHz
if(key_right==0)
{
RGB_Rst();//复位
list++;
}
while(!key_right);//等待按键松开
}
}
}
//中断服务程序
void exint0() interrupt 2 //INT1中断入口
{
colorWipe(0x00,100); //0ff
Power = 0; //关闭ws2812电源
P3M0 = 0x00; P3M1 = 0x04;//P3.2高阻输入
PCON=0x02;//进入掉电模式
_nop_();
_nop_();
}
//-----------------------------------------
//中断服务程序
void exint1() interrupt 10 //INT2中断入口
{
EA = 0; //关闭总中断
PCON=0x00;//取消掉电模式
P3M0 = 0x00; P3M1 = 0x00;//P3.2准双向输入
Power = 1; //开启ws2812电源
EA = 1; //开启总中断
_nop_();
_nop_();
}

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