7290test.c

基于S3C44b0的键盘LED接口设计

/**************************************************************************
NAME:7290test.c
copyright:wzz at Qingdao University  2008.12.27
**************************************************************************/
#include "..\inc\WOPTIONS.h"
#include "..\ucos\includes.h"
#include "..\porting\port.h"
//---------------------------------------------------------
/* 
函数：ClearAll() 
功能：清除所有显示 
*/ 
void ClearAll() 
{ 
  unsigned char x; 
  for ( x=0; x<8; x++ ) 
 { 
  ZLG7290_Download(x,0,0,31); 
 } 
} 
//---------------------------------------------------------
/* 
函数：Test_DispBuf() 
功能：测试直接写显存 
*/ 
void Test_DispBuf() 
{ 
  U8 DispDat[16] = 
 {//字母AbCdEFgHiJkLoPqr的字形数据 
  0xEE,0x3E,0x9C,0x7A,0x9E,0x8E,0xF6,0x6E, 
  0x20,0x70,0x0E,0x1C,0x3A,0xCE,0xE6,0x0A 

 }; 
  unsigned char n; 
  unsigned char x; 
  unsigned char reg; 
  unsigned char dat; 
  for ( n=0; n<16; n++ ) 
 { 
   for ( x=0; x<8; x++ ) 
  { 
      reg = ZLG7290_DpRam + x; 
   dat = DispDat[n]; 
   ZLG7290_WriteReg(reg,dat); 
  } 
  Delay(500); 
 } 
} 
 
//---------------------------------------------------------
/* 
函数：Test_Download() 
功能：测试下载数据功能 
*/ 
void Test_Download() 
{ 
  unsigned char x; 
  U8 dp; 
  U8 flash; 
  char dat; 
//点亮所有数码管 
  dp = 1; 
  flash = 0; 
 dat = 8; 
  for ( x=0; x<8; x++ ) 
 { 
  ZLG7290_Download(x,dp,flash,dat); 
 } 
 Delay(2000); 
//依次显示所有字型 
  dp = 0; 
  flash = 0; 
  for ( dat=0; dat<32; dat++ ) 
 { 
   for ( x=0; x<8; x++ ) 
  { 
   ZLG7290_Download(x,dp,flash,dat); 
  } 
  Delay(2000); 
 } 
} 
//---------------------------------------------------------
/* 
函数：Test_ScanNum() 
功能：测试不同扫描位数 
说明：扫描位数越少，数码管就越亮 
*/ 
void Test_ScanNum() 
{ 
  unsigned char x; 
  for ( x=0; x<8; x++ ) 
 { 
  ZLG7290_Download(x,1,0,8); 
 } 
 Delay(1000); 
  for ( x=0; x<8; x++ ) 
 { 
  ZLG7290_WriteReg(ZLG7290_ScanNum,x); 
  Delay(250); 
 } 
} 
//--------------------------------------------------------- 
/* 
函数：Test_Flash() 
功能：测试闪烁功能 
*/ 
void Test_Flash() 
{ 
  char dat = 0x01; 
  unsigned char x; 
//显示01234567 
  for ( x=0; x<8; x++ ) 
 { 
  ZLG7290_Download(x,0,0,x); 
 } 
//设置闪烁控制寄存器 
 ZLG7290_WriteReg(ZLG7290_FlashOnOff,0x11);  
//闪烁演示 
  for ( x=0; x<8; x++ ) 
 { 
  ZLG7290_Flash(dat); 

  dat <<= 1; 
  Delay(100); 
 } 
//数码管的8个位一起闪烁 
 ZLG7290_Flash(0xFF); 
 Delay(100); 
//停止闪烁 
 ZLG7290_Flash(0x00); 
 Delay(1000); 
} 
//--------------------------------------------------------- 
/* 
函数：Test_SegOnOff() 
功能：测试段寻址功能 
*/ 
void Test_SegOnOff() 
{ 
  unsigned char seg; 
 ClearAll(); 
 Delay(100); 
  for ( seg=0; seg<64; seg++ ) 
 { 
  ZLG7290_SegOnOff(seg,1); 
  Delay(70); 
 } 
 Delay(500); 
  for ( seg=0; seg<64; seg++ ) 
 { 
  ZLG7290_SegOnOff(seg,0); 
  Delay(70); 
 } 
 Delay(100); 
} 
//--------------------------------------------------------- 
/* 
函数：DispValue() 
功能：显示100以内的数值 
参数： 
 x：显示位置，取值0～6 
 dat：要显示的数据，取值0～99 
*/ 
void DispValue(char x, unsigned char dat) 
{ 
  unsigned char d; 
  d = dat / 10; 
 ZLG7290_Download(x,0,0,d); 
  d = dat - d * 10; 
 ZLG7290_Download(x+1,0,0,d); 
} 
//--------------------------------------------------------- 
/* 
函数：DispHexValue() 
功能：以16进制方式显示数值 
参数： 
 x：显示位置，取值0～6 
 dat：要显示的数据，取值0～255 
*/ 
void DispHexValue(char x, unsigned char dat) 
{ 
  unsigned char d; 
  d = dat / 16; 
 ZLG7290_Download(x,0,0,d); 
  d = dat - d * 16; 
 ZLG7290_Download(x+1,0,0,d); 
} 
//--------------------------------------------------------- 
/* 
函数：Test_Key() 
功能：测试按键功能 
*/ 
/*void Test_Key() 
{ 
  unsigned char KeyValue; 
  unsigned char RepeatCnt; 
  unsigned char FnKeyValue; 
 	ClearAll(); 

	//Non-vectored,IRQ enable,FIQ disable 
	rINTCON=0x5;
	rEXTINT=0x20;
	//Non maksed TIMER0 .
//	rI_ISPC=BIT_TIMER1;
	
	rINTMSK=~((0x1<<24) | (0x1<<26));	//Default value=0x7ffffff

//  EA = 0; 
//  IT0 = 1;  //负边沿触发中断 
//  EX0 = 1;  //允许外部中断 
//  EA = 1; 
  for (;;) 
 { 
   if ( FlagINT )    //如果有键按下 
  { 
   //清除中断标志 
   FlagINT = 0; 
   //读取键值、连击计数器值、功能键值 
   ZLG7290_ReadReg(ZLG7290_Key,&KeyValue); 
   ZLG7290_ReadReg(ZLG7290_RepeatCnt,&RepeatCnt); 
   ZLG7290_ReadReg(ZLG7290_FunctionKey,&FnKeyValue); 
   //显示键值、连击计数器值、功能键值 
   DispValue(0,KeyValue); 
   DispHexValue(3,RepeatCnt); 
   DispHexValue(6,FnKeyValue); 
  } 
//  PCON |= 0x01;  //使CPU进入空闲状态，任一中断可唤醒 
 } 
} 
*/
//--------------------------------------------------------- 
//void main() 
//{ 
// SystemInit();   //系统初始化 
// Test_DispBuf();   //测试直接写显存 
// Test_Download();  //测试下载数据 
// Test_ScanNum();  //测试不同扫描位数 
// Test_Flash();   //测试闪烁功能 
// Test_SegOnOff();  //测试段寻址功能 
// Test_Key();   //测试键盘功能 
//  while (1); 
//} 
//********************************************************************
//键盘转换数组
U8 KeyDispDat[64]=
{0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,
0x49,0x4A,0x4B,0x4C,0,0,0,0,
0x45,0x46,0x47,0x48,0,0,0,0,
0x41,0x42,0x43,0x44,0,0,0,0,
0,0,0,0,0,0,0,0,
};
//---------------------------------------------------------
void irq_7290()//zlg7290键盘中断服务程序，数码管显示同时串口输出
{

	U8 KeyValue;
	U8 RepeatCnt; 
	U8 FnKeyValue; 
  	ZLG7290_ReadReg(ZLG7290_Key,&KeyValue); 
  	ZLG7290_ReadReg(ZLG7290_RepeatCnt,&RepeatCnt); 
  	ZLG7290_ReadReg(ZLG7290_FunctionKey,&FnKeyValue);
  //	 if(0==KeyValue)
  //	{ ZLG7290_ReadReg(ZLG7290_FunctionKey,&KeyValue);}
  	DispValue(0,KeyValue); 
  	DispHexValue(3,RepeatCnt); 
  	DispHexValue(6,FnKeyValue);
  	Uart_SendByte(0,KeyDispDat[KeyValue-1]);
}
//---------------------------------------------------------
void Open7290()//打开7290对应的外部中断1
{
	SetISR_Interrupt(EINT1_OFFSET,irq_7290, 0);
}
//---------------------------------------------------------
 void Close7290()//关闭7290对应的外部中断1
{
	ClearISR_Interrupt(EINT1_OFFSET);
}