8*8點陣程序，我檢查很多次，都看不出程序的問題，可還是會有一個警告，麻煩各位大佬幫忙看一下，這到底是哪里出問題了
單片機源程序如下:
- // ***************************************************************************************/
- #include "reg51.h" //此文件中定義了單片機的一些特殊功能寄存器
- #include<intrins.h>
- typedef unsigned int u16; //對數據類型進行聲明定義
- typedef unsigned char u8;
- sbit SRCLK=P3^6;
- sbit RCLK=P3^5;
- sbit SER=P3^4;
- sbit buzzer=P1^5;
- unsigned char code ledduan[17][8]={
- {0x00,0x00,0x3e,0x41,0x41,0x41,0x3e,0x00},
- {0x00,0x00,0x24,0x7C,0x04,0x00,0x00,0x00},
- {0x00,0x00,0x26,0x4A,0x52,0x22,0x00,0x00},
- {0x00,0x00,0x2A,0x2A,0x2A,0x3E,0x00,0x00},
- {0x00,0x08,0x18,0x28,0x7E,0x08,0x00,0x00},
- {0x00,0x00,0x7A,0x4A,0x4E,0x00,0x00,0x00},
- {0x00,0x00,0x7E,0x4A,0x4E,0x00,0x00,0x00},
- {0x00,0x40,0x40,0x40,0x7E,0x00,0x00,0x00},
- {0x00,0x7E,0x4A,0x4A,0x7E,0x00,0x00,0x00},
- {0x00,0x7A,0x4A,0x4A,0x7E,0x00,0x00,0x00},
- {0x00,0x7A,0x4A,0x4A,0x7E,0x00,0x00,0x00},
- {0x00,0x00,0x7E,0x48,0x78,0x00,0x00,0x00},
- {0x00,0x00,0x7E,0x48,0x48,0x00,0x00,0x00},
- {0x40,0x40,0x7E,0x40,0x40,0x00,0x00,0x00},
- {0x00,0x00,0x3E,0x02,0x02,0x00,0x00,0x00},
- {0x00,0x00,0x3E,0x02,0x3E,0x00,0x00,0x00},
- {0x00,0x30,0x48,0x24,0x24,0x48,0x30,0x00}
- } ;
- unsigned char code ledwei[8]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};
- void delay1(u16 i)
- {
- while(i--);
- }
- void beep()
- {
- u16 i;
- for(i=0;i<100;i++)
- {
- delay1(100);
- buzzer=~buzzer;
- }}
- void delay(unsigned int time)
- {
- unsigned int i,j;
- for (i=0;i<time;i++)
- for (j=0;j<121;j++);
-
- }
- /*******************************************************************************
- * 函數名 : Hc595SendByte(u8 dat)
- * 函數功能 : 向74HC595發送一個字節的數據,從高位開始到低位
- * 輸入 : 無
- * 輸出 : 無
- *******************************************************************************/
- void Hc595SendByte(u8 dat)
- {
- u8 a;
- SRCLK=0;
- RCLK=0;
- for(a=0;a<8;a++)
- {
- SER=dat>>7;//運算時，先將dat的值復制到一個臨時單元，向右移位運算的是臨時單元的值，而不是dat，所以移位后， dat的值不變。
- dat<<=1;
- SRCLK=1;
- _nop_();
- _nop_();
- SRCLK=0;
- }
- RCLK=1;
- _nop_();
- _nop_();
- RCLK=0;
- }
- /*******************************************************************************
- * 函 數 名 : main
- * 函數功能 : 主函數
- * 輸 入 : 無
- * 輸 出 : 無
- *******************************************************************************/
- void main()
- {
- unsigned char tab,j;
- unsigned int i;
- while(1)
- {
-
- for (i=0;i<50;i++)
- { for(tab=0;tab<8;tab++)
- { Hc595SendByte(0x00);//消隱，去掉重影
- P0=ledwei[tab];
- Hc595SendByte(ledduan[j][tab]);
- delay(2);
-
- }
- }
- }
- j++;
- beep();
- if(j==17)
- {
- j=0;
- }
- }
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