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这个控制16*16点阵字符滚动的程序哪里错误了?
#include <Arduino.h>
//IO配置
#define LEDARRAY_D 2
#define LEDARRAY_C 3
#define LEDARRAY_B 4
#define LEDARRAY_A 5
#define LEDARRAY_G 6
#define LEDARRAY_DI 7
#define LEDARRAY_CLK 8
#define LEDARRAY_LAT 9
#define led 13
#define Num_Word 1 //液晶能显示的汉字个数
unsigned char Display_Buffer[2];
unsigned char Display_Swap_Buffer[Num_Word][32]={0}; //显示缓冲区
bool Shift_Bit = 0;
bool Flag_Shift = 0;
unsigned char Timer0_Count = 0;
unsigned char temp = 0x80;
unsigned char Shift_Count = 0;
unsigned char Display_Word_Count = 0;
#define Num_Of_Word 6
const unsigned char Word[Num_Of_Word][32] =
{
0xFF,0xF8,0x07,0x77,0x74,0x75,0x75,0x75,0x75,0x04,0x75,0x7F,0xFF,0xFF,0xFF,0xFF
0xFF,0x01,0xFB,0xFB,0x1B,0xDB,0xDB,0xDB,0xDB,0x1B,0xDB,0xFB,0xFB,0xDB,0xEB,0xF7,/*"呵",0*/
0xFF,0xF8,0x07,0x77,0x74,0x75,0x75,0x75,0x75,0x04,0x75,0x7F,0xFF,0xFF,0xFF,0xFF
0xFF,0x01,0xFB,0xFB,0x1B,0xDB,0xDB,0xDB,0xDB,0x1B,0xDB,0xFB,0xFB,0xDB,0xEB,0xF7,/*"呵",1*/
0xFF,0xF8,0x07,0x77,0x74,0x75,0x75,0x75,0x75,0x04,0x75,0x7F,0xFF,0xFF,0xFF,0xFF
0xFF,0x01,0xFB,0xFB,0x1B,0xDB,0xDB,0xDB,0xDB,0x1B,0xDB,0xFB,0xFB,0xDB,0xEB,0xF7,/*"呵",2*/
0xFF,0xF8,0x07,0x77,0x74,0x75,0x75,0x75,0x75,0x04,0x75,0x7F,0xFF,0xFF,0xFF,0xFF
0xFF,0x01,0xFB,0xFB,0x1B,0xDB,0xDB,0xDB,0xDB,0x1B,0xDB,0xFB,0xFB,0xDB,0xEB,0xF7,/*"呵",3*/
0xBF,0xDE,0xCE,0xDE,0xFE,0xFE,0x1D,0xDA,0xDE,0xDE,0xDF,0xDF,0xD7,0xCF,0xDC,0xF3,
0xFF,0x0F,0xEF,0xEF,0xEF,0xEF,0xF1,0x07,0xF7,0xF7,0x6F,0x6F,0x9F,0x6F,0xF1,0xFB,/*"设",4*/
0xBF,0xDF,0xCF,0xDF,0xFF,0x0C,0xEF,0xEF,0xEF,0xEF,0xEF,0xED,0xEB,0xE7,0xEF,0xFF,
0xDF,0xDF,0xDF,0xDF,0xDF,0x01,0xDF,0xDF,0xDF,0xDF,0xDF,0xDF,0xDF,0xDF,0xDF,0xDF,/*"计",5*/
};
void setup()
{
pinMode(LEDARRAY_D, OUTPUT);
pinMode(LEDARRAY_C, OUTPUT);
pinMode(LEDARRAY_B, OUTPUT);
pinMode(LEDARRAY_A, OUTPUT);
pinMode(LEDARRAY_G, OUTPUT);
pinMode(LEDARRAY_DI, OUTPUT);
pinMode(LEDARRAY_CLK, OUTPUT);
pinMode(LEDARRAY_LAT, OUTPUT);
Clear_Display();
}
void loop()
{
unsigned int i;
for(i = 0 ; i < 30; i ++) //移动速度设定
{
Display(Display_Swap_Buffer);
}
Display_Word_Count = Shift_Count/16; //计算当前显示第几个字
Calc_Shift();
Shift_Count++;
if(Shift_Count == (Num_Of_Word+1)*16 ) //移动次数
{
Shift_Count = 0;
}
}
//************************************************************
//清空缓冲区
//************************************************************
void Clear_Display()
{
unsigned char i,j;
for(j = 0 ; j < Num_Word; j++)
{
for(i = 0 ; i < 32 ;i++)
{
Display_Swap_Buffer[j] = 0xff; //0=显示 1=不显示
}
}
}
//************************************************************
//计算移动数据,存在在缓冲器
//************************************************************
void Calc_Shift()
{
unsigned char i;
for(i = 0;i < 16;i++)
{
if((Display_Swap_Buffer[0][16+i]&0x80) == 0) //前8位 移位
{
Display_Swap_Buffer[0] = (Display_Swap_Buffer[0] << 1)&0xfe; //最低位清零
}
else
{
Display_Swap_Buffer[0] = (Display_Swap_Buffer[0] << 1)|0x01; //最低位置一
}
if(Shift_Count%16 < 8 && Display_Word_Count < Num_Of_Word)
{
Shift_Bit = Word[Display_Word_Count]&temp;
}
else if(Shift_Count%16 < 16 && Display_Word_Count < Num_Of_Word)
{
Shift_Bit = Word[Display_Word_Count][16+i]&temp;
}
else
{
Shift_Bit = 1; //把字移出缓冲区
}
if( Shift_Bit == 0) //后8位移位
{
Display_Swap_Buffer[0][16+i] = (Display_Swap_Buffer[0][16+i] << 1)&0xfe; //最低位清零
}
else
{
Shift_Bit = 1;
Display_Swap_Buffer[0][16+i] = (Display_Swap_Buffer[0][16+i] << 1)|0x01; //最低位置一
}
}
temp = (temp>>1)&0x7f;
if(temp == 0x00)
{
temp = 0x80;
}
}
//************************************************************
//num为字数 dat[][32]为字模的名称
//*************************************************************
void Display(unsigned char dat[][32])
{
unsigned char i;
for( i = 0 ; i < 16 ; i++ )
{
digitalWrite(LEDARRAY_G, HIGH); //更新数据时候关闭显示。等更新完数据,打开138显示行。防止重影。
Display_Buffer[0] = dat[0];
Display_Buffer[1] = dat[0][i+16];
Send(Display_Buffer[1]);
Send(Display_Buffer[0]);
digitalWrite(LEDARRAY_LAT, HIGH); //锁存数据
delayMicroseconds(1);
digitalWrite(LEDARRAY_LAT, LOW);
delayMicroseconds(1);
Scan_Line(i); //选择第i行
digitalWrite(LEDARRAY_G, LOW);
delayMicroseconds(300);; //延时一段时间,让LED亮起来。
}
}
//****************************************************
//扫描某一行
//****************************************************
void Scan_Line( unsigned char m)
{
switch(m)
{
case 0:
digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW);
break;
case 1:
digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH);
break;
case 2:
digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW);
break;
case 3:
digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH);
break;
case 4:
digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW);
break;
case 5:
digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH);
break;
case 6:
digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW);
break;
case 7:
digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH);
break;
case 8:
digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW);
break;
case 9:
digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH);
break;
case 10:
digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW);
break;
case 11:
digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH);
break;
case 12:
digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW);
break;
case 13:
digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH);
break;
case 14:
digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW);
break;
case 15:
digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH);
break;
default : break;
}
}
//****************************************************
//发送数据
//****************************************************
void Send( unsigned char dat)
{
unsigned char i;
digitalWrite(LEDARRAY_CLK, LOW);
delayMicroseconds(1);;
digitalWrite(LEDARRAY_LAT, LOW);
delayMicroseconds(1);;
for( i = 0 ; i < 8 ; i++ )
{
if( dat&0x01 )
{
digitalWrite(LEDARRAY_DI, HIGH);
}
else
{
digitalWrite(LEDARRAY_DI, LOW);
}
digitalWrite(LEDARRAY_CLK, HIGH); //上升沿发送数据
delayMicroseconds(1);;
digitalWrite(LEDARRAY_CLK, LOW);
delayMicroseconds(1);;
dat >>= 1;
}
} |
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