?? cgm12864b.#1
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//-------------------------------------------------------------------------
//函數名稱: void LCD_WriteData1(char ch)
//函數功能: 向LCD控制芯片KS0108發送數據
//入口參數: char ch 數據參數
//出口參數: 無
//全局變量引用: 無
//調用模塊: LCD_WaitReady1()
//----------------------------------------------------------------------
void LCD_WriteData1(char ch)
{
LCD_WaitReady1(); ////判斷LCD是否處于忙狀態
LCD_CS2=SELECTCS;
LCD_RW=0;
LCD_RS=1;
LCD_DATA=ch;
LCD_E=1;
LCD_E=0;
LCD_CS2=!SELECTCS;
}
//-------------------------------------------------------------------------
//函數名稱: void LCD_WriteData2(char ch)
//函數功能: 向LCD控制芯片KS0108發送數據
//入口參數: char ch 數據參數
//出口參數: 無
//全局變量引用: 無
//調用模塊: LCD_WaitReady2()
//----------------------------------------------------------------------
void LCD_WriteData2(char ch)
{
LCD_WaitReady2(); //判斷LCD是否處于忙狀態
LCD_CS1=SELECTCS;
LCD_RW=0;
LCD_RS=1;
LCD_DATA=ch;
LCD_E=1;
LCD_E=0;
LCD_CS1=!SELECTCS;
}
//-------------------------------------------------------------------------
//函數名稱: void LCD_WriteHZ(char x,char y,char *Dot)
//函數功能: 在液晶的指定位置顯示16*16點陣漢字
//入口參數: char x:橫向坐標 char y:縱向坐標 char *Dot:漢字點陣的首地址
//出口參數: 無
//全局變量引用: 無
//調用模塊: LCD_WriteCommand1(); LCD_WriteCommand2();
// LCD_WriteData1(); LCD_WriteData1();
//----------------------------------------------------------------------
void LCD_WriteHZ(char x,char y,char *Dot)
{
char i;
for (i=0;i<32;i++)
{
if ((x+i%16)<64) //橫向坐標小于64時在左屏顯示漢字
{
LCD_WriteCommand1(0xB8+y+i/16);
LCD_WriteCommand1(0x40+x+i%16);
LCD_WriteData1(Dot[i]);
}
else //橫向坐標大于64時在右屏顯示漢字
{
LCD_WriteCommand2(0xB8+y+i/16);
LCD_WriteCommand2(0x40+x-64+i%16);
LCD_WriteData2(Dot[i]);
}
}
}
//-------------------------------------------------------------------------
//函數名稱: void InitLCD(void)
//函數功能: 初始化液晶并清屏
//入口參數: 無
//出口參數: 無
//全局變量引用: 無
//調用模塊: Delay1ms(1);LCD_WriteCommand1(); LCD_WriteCommand2();
// LCD_WriteData1(); LCD_WriteData1();
//----------------------------------------------------------------------
void InitLCD(void)
{
char i,j;
LCD_RST=0;
Delay1ms(1);
LCD_RST=1;
LCD_WriteCommand1(0xc0);
LCD_WriteCommand2(0xc0);
LCD_WriteCommand1(0x3f); //開顯示
LCD_WriteCommand2(0x3f);
for (j=0;j<8;j++) //清屏
{
LCD_WriteCommand1(0xB8+j); //清左半屏
LCD_WriteCommand1(0x40);
for (i=0;i<64;i++)
LCD_WriteData1(0x00);
LCD_WriteCommand2(0xB8+j); //清右半屏
LCD_WriteCommand2(0x40);
for (i=0;i<64;i++)
LCD_WriteData2(0x00);
}
}
//-------------------------------------------------------------------------
//函數名稱: void DispBmp(char *buf)
//函數功能: 顯示位圖
//入口參數: char *buf 位圖數據首地址
//出口參數: 無
//全局變量引用: 無
//調用模塊: LCD_WriteCommand1(); LCD_WriteCommand2();
// LCD_WriteData1(); LCD_WriteData1();
//----------------------------------------------------------------------
void DispBmp(char *buf) //顯示一幅位圖
{
int i,j;
for (j=0;j<8;j++) //顯示位圖
{
LCD_WriteCommand1(0xB8+j);
LCD_WriteCommand1(0x40);
for (i=0;i<64;i++)
LCD_WriteData1(buf[(j*2)*64+i]);
LCD_WriteCommand2(0xB8+j);
LCD_WriteCommand2(0x40);
for (i=0;i<64;i++)
LCD_WriteData2(buf[(j*2+1)*64+i]);
}
}
//-------------------------------------------------------------------------
//函數名稱: void SYSCLK_Init (void)
//函數功能: 系統時鐘初始化;使能外部時鐘:11.0592MHz
//入口參數: 無
//出口參數: 無
//全局變量引用: 無
//調用模塊: 無
//----------------------------------------------------------------------
void SYSCLK_Init (void)
{
int i; // delay counter
OSCXCN = 0x67; // start external oscillator with
// 18.432MHz crystal
for (i=0; i < 256; i++) ; // Wait for osc. to start up
while (!(OSCXCN & 0x80)) ; // Wait for crystal osc. to settle
OSCICN = 0x88; // select external oscillator as SYSCLK
// source and enable missing clock
// detector
}
//-------------------------------------------------------------------------
//函數名稱: PORT_Init ()
//函數功能: 端口初始化;使能交叉開關
//入口參數: 無
//出口參數: 無
//全局變量引用: 無
//調用模塊: 無
//----------------------------------------------------------------------
void PORT_Init (void)
{
XBR2 = 0x40; // Enable crossbar and weak pull-ups
}
//-------------------------------------------------------------------------
//函數名稱: Timer0_Init ()
//函數功能: 定時器0初始化;定時時間1ms
//入口參數: 無
//出口參數: 無
//全局變量引用: 無
//調用模塊: 無
//----------------------------------------------------------------------
void Timer0_Init (void)
{
CKCON|=0x8;
TMOD|=0x1; //16Bit
Count1ms=10;
TR0 = 0; // STOP Timer0
TH0 = (-SYSCLK/1000) >> 8; // set Timer0 to overflow in 1ms
TL0 = -SYSCLK/1000;
TR0 = 1; // START Timer0
IE|= 0x2;
}
//-------------------------------------------------------------------------
//函數名稱: Timer0_ISR ()
//函數功能: 定時器0中斷服務程序
//入口參數: 無
//出口參數: 無
//全局變量引用: Count1ms
//調用模塊: 無
//----------------------------------------------------------------------
void Timer0_ISR (void) interrupt 1 //1ms
{
TH0 = (-SYSCLK/1000) >> 8;
TL0 = -SYSCLK/1000;
if (Count1ms) Count1ms--;
}
//-------------------------------------------------------------------------
//函數名稱: Delay1ms(unsigned char T)
//函數功能: 延時1ms程序
//入口參數: unsigned char T :定時時間常數
//出口參數: 無
//全局變量引用: Count1ms
//調用模塊: 無
//----------------------------------------------------------------------
void Delay1ms(unsigned char T)
{
Count1ms=T;
while (Count1ms);
}
//-------------------------------------------------------------------------
//函數名稱: void Delay1s(unsigned char T)
//函數功能: 延時1s程序
//入口參數: unsigned char T :定時時間常數
//出口參數: 無
//全局變量引用: Count1ms
//調用模塊: Delay1ms()
//----------------------------------------------------------------------
void Delay1s(unsigned char T)
{
while (T)
{
Delay1ms(200);
Delay1ms(200);
Delay1ms(200);
Delay1ms(200);
Delay1ms(200);
T--;
}
}
//---------------------------------------------------------------------------
// 主程序
//----------------------------------------------------------------------------
void main (void)
{
WDTCN = 0xde;
WDTCN = 0xad; //關看門狗
SYSCLK_Init (); //初始化時鐘
Timer0_Init(); //初始化定時器
PORT_Init (); //初始化IO口
EA=1; //開中斷
InitLCD(); //清屏
Delay1s(1); //延時1S
for (;;)
{
DispBmp(screen1); //顯示位圖"新華龍電子-單片機推廣應用急先鋒!"
Delay1s(3);
DispBmp(screen2); //顯示位圖"換代創新后的51-高速SOC美國silicon labs 8051F"
Delay1s(3);
InitLCD(); //清屏
LCD_WriteHZ(2,1,Han); //顯示16*16點陣漢字'漢'
Delay1ms(100);
LCD_WriteHZ(60,3,Zi); //顯示16*16點陣漢字'字'
Delay1s(3);
}
}
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