C語言練習3

MPC82G516, 82E54是台灣笙泉的8x51MCU,一直以來我都用它來作老闆要的東西
我覺得很好用喔

#include "REG_MPC82G516.h" //for MPC82G516 SFR definition               
                         //雖是選MPC82G516但是實上,ic是82E54
#include "INTRINS.H"       //
 unsigned char COMM;
 unsigned char Data_1,Data_2;
sbit LCD_E  =  P3^7 ;
sbit LCD_RS =  P3^4 ;
sbit LCD_RW =  P3^5 ;
// ***********************************************
void LCD_S_Delay(void)
{
int S_Loop ;
int Null_Var ;
    for   ( S_Loop = 0 ; S_Loop < 200 ; S_Loop ++ )
Null_Var += 1 ;
}
// **********************************************
void LCD_L_Delay(void)
{
int L_Loop ;
        for  ( L_Loop = 0 ; L_Loop < 100 ; L_Loop ++ )
LCD_S_Delay( ) ;
}
//***********************************************
// Subroutine to  
// Write a command to LCD module 
// RS=0, R/W=0, E=H->L F(alling Edge) 
// 寫入指令到lcd 
void LCD_CMD_W_Timing( void )
{
LCD_RS = 0 ; // Set for Command Input
_nop_();
LCD_RW = 0 ;
_nop_();
LCD_E = 1 ;
_nop_();
_nop_();
_nop_();
_nop_();
LCD_E = 0 ;
}
//***********************************************
// Subroutine to 
// Write a command to LCD module
// RS=1, R/W=0, E=H->L F(alling Edge)
// 寫入資料到lcd 
void LCD_DAT_W_Timing( void )

{   LCD_RS = 1 ; // Set for Data Input
_nop_();
LCD_RW = 0 ;
_nop_();
LCD_E = 1 ;
_nop_();
_nop_();
_nop_();
_nop_();
LCD_E = 0 ;
}
LCD_RESET(void)  // 初始化lcd(16*02)
{
P3 = 0x03;
LCD_CMD_W_Timing() ; // LCD  Function SET
LCD_L_Delay() ;
LCD_L_Delay() ;
LCD_L_Delay() ;
LCD_L_Delay() ;
P3 = 0x03;
LCD_CMD_W_Timing() ; // LCD  Function SET
LCD_L_Delay() ;
LCD_L_Delay() ;
LCD_L_Delay() ;
LCD_L_Delay() ;
//-----------------------------------------------
P3 = 0x03;
LCD_CMD_W_Timing() ; // LCD  Function SET
LCD_L_Delay() ;
P3=0x02;
LCD_CMD_W_Timing() ; // LCD  Function SET
LCD_L_Delay() ;
//-------------------------------------------------
P3=0x01;
LCD_CMD_W_Timing() ; // LCD  Function SET
LCD_L_Delay() ;
P3=0x04;
LCD_CMD_W_Timing() ; // LCD  Function SET
LCD_L_Delay() ;
//--------------------------------------------------
P3=0x00;
LCD_CMD_W_Timing() ; 
// LCD  Function SET
LCD_L_Delay() ;
P3=0x0f;
LCD_CMD_W_Timing() ; // LCD  Function SET
LCD_L_Delay() ;
//-----------------------------------------------------
P3=0x00;
LCD_CMD_W_Timing() ; // LCD  Function SET
LCD_L_Delay() ;
P3=0x02;
LCD_CMD_W_Timing() ; // LCD  Function SET
LCD_L_Delay() ;
//-------------------------------------------------------
P3=0x00;
LCD_CMD_W_Timing() ; // LCD  Function SET
LCD_L_Delay() ;
P3=0x01;
LCD_CMD_W_Timing() ; // LCD  Function SET
LCD_L_Delay() ;
//-----------------------------------------------
P3=0x08;
LCD_CMD_W_Timing() ; // LCD  Function SET
LCD_L_Delay() ;
P3=0x02;
LCD_CMD_W_Timing() ; // LCD  Function SET
LCD_L_Delay() ;
}

unsigned int Get_ADC_Channel(char channel)
{                 // 82e54一共有8個通道10bit的A TO D
channel &= 0x07                    //make sure channel is 0-7
ADCTL = 0x88channel;              //start convert
while(!(ADCTL & 0x10)){}           //check if convert done
return ((unsigned int)(ADCH<<2)  (ADCL & 3));
}

void Output(unsigned char d)
{     // 將所讀到的ad值 轉成ascII 且輸出到lcd
if(d>9 & d<16)   Data_1 = (d + 0x37);
else if(d<10)   Data_1 = (d + 0x30);
    Data_2 = Data_1;
//因為lcd控制是採4bit控制 所以一個byte要送兩次
  P3=Data_2>>4;
LCD_DAT_W_Timing();
LCD_S_Delay( );   
P3=Data_1&0X0F;
LCD_DAT_W_Timing();
LCD_S_Delay( );
}

main(void)
{ 
unsigned int VALUE;
P3=0XFF;
LCD_L_Delay() ;
P1M0=0X0F;    // P1 IS ALL INPUT
P1M1=0X00;    //
LCD_RESET();
P3=0x08; 
LCD_CMD_W_Timing() ; // LCD  Function SET
LCD_L_Delay() ; 
P3=0x00;   
LCD_CMD_W_Timing() ; // LCD  Function SET
LCD_L_Delay() ;        
while (1)
{           
VALUE=Get_ADC_Channel(7);
Output(VALUE>>8);             //顯示最高 nibble
Output((VALUE>>4)&0x0f);      //顯示中間 nibble
Output(VALUE&0x0f);           //顯示最低 nibble
P3=0x08;  
LCD_CMD_W_Timing() ; // LCD  Function SET
LCD_L_Delay() ;    
P3=0x00;
LCD_CMD_W_Timing() ; // LCD  Function SET
LCD_L_Delay() ;      
LCD_L_Delay() ;    
LCD_L_Delay() ;  
LCD_L_Delay() ;
}       
}