用74hc595与74ls154设计的16×16点阵屏.c

AVR单片机仿真100例

//-----------------------------------------------------------------
//  名称: 用74LS595与74LS154设计的16x16点阵屏
//-----------------------------------------------------------------
//  说明: 本例综合使用了串入并出芯片74LS595,4-16译码器74LS154,
//        在16x16点阵屏上实现多个汉字交替显示效果.
//
//-----------------------------------------------------------------
#define  F_CPU   4000000UL 
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#define INT8U   unsigned char
#define INT16U  unsigned int

//74595及74154相关引脚定义



//74595及74154相关引脚操作



//74154译码器使能与禁止



//存放于Flash空间的待显示文字点阵   
prog_uchar Word_Set_OF_16x16[][32] = 
{
	/*---------------单----------------*/
	{ 0xFF,0xFF,0xFF,0xE7,0x03,0xE4,0x03,0xE4,
	  0x92,0xE4,0x90,0xE4,0x91,0xE4,0x03,0x80,
	  0x03,0x80,0x91,0xE4,0x90,0xE4,0x92,0xE4,
	  0x03,0xE4,0x03,0xE4,0xFF,0xE7,0xFF,0xFF },
	/*---------------片----------------*/
	{ 0xFF,0xFF,0xFF,0x9F,0xFF,0xC7,0x01,0xE0,
	  0x01,0xF8,0xCF,0xFC,0xCF,0xFC,0xCF,0xFC,
	  0xCF,0xFC,0xC0,0xFC,0xC0,0x80,0xCF,0x80,
	  0xCF,0xFF,0xCF,0xFF,0xFF,0xFF,0xFF,0xFF },
	/*---------------机----------------*/
	{ 0xE7,0xF9,0x67,0xFC,0x00,0x80,0x00,0x80,
	  0x67,0xFE,0xE7,0xDC,0xFF,0x8F,0x01,0xC0,
	  0x01,0xF0,0xF9,0xFF,0xF9,0xFF,0x01,0xC0,
	  0x01,0x80,0xFF,0x9F,0xFF,0x8F,0xFF,0xFF },
	/*---------------Ｃ----------------*/
	{ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x1F,0xFC,
	  0xEF,0xFB,0xF7,0xF7,0xFB,0xEF,0xFB,0xEF,
	  0xFB,0xEF,0xFB,0xEF,0xF7,0xF7,0xE3,0xFB,
	  0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF },
	/*---------------语----------------*/
	{ 0x9F,0xFF,0x9D,0xFF,0x11,0x80,0x13,0xC0,
	  0xFF,0xE7,0x39,0xFF,0x29,0x81,0x09,0x81,
	  0x01,0xCD,0x21,0xCD,0x29,0xCD,0x09,0xCD,
	  0x09,0x81,0x39,0x81,0x3F,0xFF,0xFF,0xFF },
	/*---------------言----------------*/
	{ 0xF3,0xFF,0xF3,0xFF,0x53,0x81,0x53,0x81,
	  0x53,0xC9,0x53,0xC9,0x50,0xC9,0x50,0xC9,
	  0x53,0xC9,0x53,0xC9,0x53,0x81,0x53,0x81,
	  0xF3,0xFF,0xF3,0xFF,0xFF,0xFF,0xFF,0xFF },
















};

//待显示汉字索引,注意添加volatile
volatile INT8U wIndex = 0;
//-----------------------------------------------------------------
// 595串行输入子程序
//-----------------------------------------------------------------
void Serial_Input_Pin(INT8U dat)
{





}

//-----------------------------------------------------------------
// 595并行输出子程序
//-----------------------------------------------------------------
void Parallel_Output_595()
{


}

//-----------------------------------------------------------------
// T/C0溢出中断,在主程序中的延时期间以2ms的间隔动态显示每列数据
// 所显示的每列数据由两片595并行输出
//-----------------------------------------------------------------
ISR (TIMER0_OVF_vect)
{


}

//-----------------------------------------------------------------
// 主程序
//-----------------------------------------------------------------
int main( )
{


}