📄 zlg7290demo2.c
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/*
ZLG7290演示程序
芯片：ADuC848BS32-5
外部晶振：32.768kHz
日期：2008.09.17
调试成功
*/
//#include <aduc848.h>
#include "I2C1.h"
#include "ZLG7290.h"
//==============================================================================
//功能键定义
// 名称 J61引脚/编号
#define KEY_SET 1
#define KEY_ENTER 2
#define KEY_RANGE 3
#define KEY_UNIT 4
#define KEY_PRNT 5
#define KEY_COMM 6
#define KEY_TEST 7
#define KEY_CALIB 8
//==============================================================================
//定义键盘中断标志，FlagINT=1表示有键按下
volatile bit FlagINT = 0;
//==============================================================================
sbit LCD_1 = P2^7;
sbit LCD_2 = P2^6;
sbit LCD_3 = P2^5;
sbit LCD_4 = P2^4;
sbit LCD_5 = P2^3;
sbit LCD_6 = P2^2;
//==============================================================================
/*
函数：INT0_SVC()
功能：ZLG7290键盘中断服务程序
说明：中断触发方式选择负边沿触发，因此不必等待中断请求信号恢复为高电平
*/
void INT0_SVC() interrupt 2
{
FlagINT = 1;
}
/*
函数：Delay()
功能：延时10ms～655.36s
参数：
t>0时，延时(t*0.01)s
t=0时，延时655.36s
说明：
晶振采用11.0592MHz
*/
void Delay(unsigned int t)
{
do
{
TH0 = 0xDC;
TL0 = 0x00;
TR0 = 1;
while ( !TF0 );
TF0 = 0;
TR0 = 0;
} while (--t);
}
/*
函数：SystemInit()
功能：系统初始化
*/
void SystemInit()
{
I2C_Init();
TMOD = 0x01;
Delay(30); //等待ZLG7290复位完毕
}
/*
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()
{
code char 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(50);
}
}
/*
函数：Test_Download()
功能：测试下载数据功能
*/
void Test_Download()
{
unsigned char x;
bit dp;
bit 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(100);
//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(50);
}
}
/*
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(100);
for ( x=0; x<8; x++ )
{
ZLG7290_WriteReg(ZLG7290_ScanNum,x);
Delay(100);
}
}
/*
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(300);
}
//数码管的8个位一起闪烁
ZLG7290_Flash(0xFF);
Delay(350);
//停止闪烁
ZLG7290_Flash(0x00);
Delay(50);
}
/*
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(30);
}
Delay(100);
for ( seg=0; seg<64; seg++ )
{
ZLG7290_SegOnOff(seg,0);
Delay(30);
}
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();
EA = 0;
IT1 = 1; //负边沿触发中断
EX1 = 1; //允许外部中断1
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 Initial_LED(void)
{
LCD_1 = 0;
LCD_2 = 0;
LCD_3 = 0;
LCD_4 = 0;
LCD_5 = 0;
LCD_6 = 0;
}
//=========================================================
//=========================================================
void main()
{
//=========================================================
unsigned char KeyValue;
unsigned char RepeatCnt;
//unsigned char FnKeyValue;
unsigned char KeyNum;
//=========================================================
CFG848 = 0x81;
Initial_LED();
//=========================================================
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
*/
EA = 0;
IT1 = 1; //下降沿触发中断
EX1 = 1; //允许外部中断1
EA = 1;
//=========================================================
while (1)
{
if( FlagINT ) //如果有键按下
{
FlagINT = 0; //清除中断标志
ZLG7290_ReadReg(ZLG7290_Key,&KeyValue); //读取键值
ZLG7290_ReadReg(ZLG7290_RepeatCnt,&RepeatCnt); //读取连击计数器值
//LCD_DI = 1; //测试语句
KeyNum = KeyValue%10;
switch( KeyNum )
{
case KEY_SET:
Initial_LED();
LCD_1 = 1;
//ZLG7290_SegOnOff(7,1);
break;
case KEY_ENTER:
Initial_LED();
LCD_2 = 1;
//ZLG7290_SegOnOff(6,1);
break;
case KEY_RANGE:
Initial_LED();
LCD_3 = 1;
//ZLG7290_SegOnOff(5,1);
break;
case KEY_UNIT:
Initial_LED();
LCD_4 = 1;
//ZLG7290_SegOnOff(4,1);
break;
case KEY_PRNT:
Initial_LED();
LCD_5 = 1;
//ZLG7290_SegOnOff(3,1);
break;
case KEY_COMM:
Initial_LED();
LCD_6 = 1;
//ZLG7290_SegOnOff(2,1);
break;
case KEY_TEST:
//Initial_LED();
//LCD_7 = 1;
//ZLG7290_SegOnOff(1,1);
break;
case KEY_CALIB:
//Initial_LED();
//LCD_8 = 1;
//ZLG7290_SegOnOff(0,1);
break;
default:
//Initial_LED();
break;
}
}
}
}
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