c8051f020.h

基于C8051F020单片机的LCD显示程序

sbit SM20  = SCON0 ^ 5;             /* MULTIPROCESSOR COMMUNICATION ENABLE */
sbit REN0  = SCON0 ^ 4;             /* RECEIVE ENABLE                      */
sbit TB80  = SCON0 ^ 3;             /* TRANSMIT BIT 8                      */
sbit RB80  = SCON0 ^ 2;             /* RECEIVE BIT 8                       */
sbit TI0   = SCON0 ^ 1;             /* TRANSMIT INTERRUPT FLAG             */
sbit RI0   = SCON0 ^ 0;             /* RECEIVE INTERRUPT FLAG              */

/*  IE  0xA8 */
sbit EA    = IE ^ 7;                /* GLOBAL INTERRUPT ENABLE      */	
sbit ET2   = IE ^ 5;                /* TIMER 2 INTERRUPT ENABLE     */
sbit ES0   = IE ^ 4;                /* UART0 INTERRUPT ENABLE       */
sbit ET1   = IE ^ 3;                /* TIMER 1 INTERRUPT ENABLE     */
sbit EX1   = IE ^ 2;                /* EXTERNAL INTERRUPT 1 ENABLE  */
sbit ET0   = IE ^ 1;                /* TIMER 0 INTERRUPT ENABLE     */
sbit EX0   = IE ^ 0;                /* EXTERNAL INTERRUPT 0 ENABLE  */

/*  IP  0xB8 */
sbit PT2   = IP ^ 5;                /* TIMER 2 PRIORITY					*/	
sbit PS    = IP ^ 4;                /* SERIAL PORT PRIORITY				*/
sbit PT1   = IP ^ 3;                /* TIMER 1 PRIORITY					*/
sbit PX1   = IP ^ 2;                /* EXTERNAL INTERRUPT 1 PRIORITY	*/
sbit PT0   = IP ^ 1;                /* TIMER 0 PRIORITY					*/
sbit PX0   = IP ^ 0;                /* EXTERNAL INTERRUPT 0 PRIORITY	*/		

/* SMB0CN 0xC0 */
sbit BUSY     =   SMB0CN ^ 7;       /* SMBUS 0 BUSY                    */
sbit ENSMB    =   SMB0CN ^ 6;       /* SMBUS 0 ENABLE                  */
sbit STA      =   SMB0CN ^ 5;       /* SMBUS 0 START FLAG              */
sbit STO      =   SMB0CN ^ 4;       /* SMBUS 0 STOP FLAG               */
sbit SI       =   SMB0CN ^ 3;       /* SMBUS 0 INTERRUPT PENDING FLAG  */
sbit AA       =   SMB0CN ^ 2;       /* SMBUS 0 ASSERT/ACKNOWLEDGE FLAG */
sbit SMBFTE   =   SMB0CN ^ 1;       /* SMBUS 0 FREE TIMER ENABLE       */
sbit SMBTOE   =   SMB0CN ^ 0;       /* SMBUS 0 TIMEOUT ENABLE          */

/*  T2CON  0xC8 */
sbit TF2   = T2CON ^ 7;             /* TIMER 2 OVERFLOW FLAG        */
sbit EXF2  = T2CON ^ 6;             /* EXTERNAL FLAG                */
sbit RCLK0 = T2CON ^ 5;             /* UART0 RX CLOCK SOURCE        */
sbit TCLK0 = T2CON ^ 4;             /* UART0 TX CLOCK SOURCE        */
sbit EXEN2 = T2CON ^ 3;             /* TIMER 2 EXTERNAL ENABLE FLAG */	
sbit TR2   = T2CON ^ 2;             /* TIMER 2 ON/OFF CONTROL       */
sbit CT2   = T2CON ^ 1;             /* TIMER OR COUNTER SELECT      */
sbit CPRL2 = T2CON ^ 0;             /* CAPTURE OR RELOAD SELECT     */

/*  PSW  */
sbit CY    = PSW ^ 7;               /* CARRY FLAG              */	
sbit AC    = PSW ^ 6;               /* AUXILIARY CARRY FLAG    */
sbit F0    = PSW ^ 5;               /* USER FLAG 0             */
sbit RS1   = PSW ^ 4;               /* REGISTER BANK SELECT 1  */
sbit RS0   = PSW ^ 3;               /* REGISTER BANK SELECT 0  */
sbit OV    = PSW ^ 2;               /* OVERFLOW FLAG           */
sbit F1    = PSW ^ 1;               /* USER FLAG 1             */
sbit P     = PSW ^ 0;               /* ACCUMULATOR PARITY FLAG */

/* PCA0CN D8H */
sbit CF    =   PCA0CN ^ 7;          /* PCA 0 COUNTER OVERFLOW FLAG   */
sbit CR    =   PCA0CN ^ 6;          /* PCA 0 COUNTER RUN CONTROL BIT */
sbit CCF4  =   PCA0CN ^ 4;          /* PCA 0 MODULE 4 INTERRUPT FLAG */
sbit CCF3  =   PCA0CN ^ 3;          /* PCA 0 MODULE 3 INTERRUPT FLAG */
sbit CCF2  =   PCA0CN ^ 2;          /* PCA 0 MODULE 2 INTERRUPT FLAG */
sbit CCF1  =   PCA0CN ^ 1;          /* PCA 0 MODULE 1 INTERRUPT FLAG */
sbit CCF0  =   PCA0CN ^ 0;          /* PCA 0 MODULE 0 INTERRUPT FLAG */

/* ADC0CN E8H */
sbit AD0EN     =   ADC0CN ^ 7;      /* ADC 0 ENABLE                              */
sbit AD0TM     =   ADC0CN ^ 6;      /* ADC 0 TRACK MODE                          */
sbit AD0INT    =   ADC0CN ^ 5;      /* ADC 0 CONVERISION COMPLETE INTERRUPT FLAG */
sbit AD0BUSY   =   ADC0CN ^ 4;      /* ADC 0 BUSY FLAG                           */
sbit AD0CM1    =   ADC0CN ^ 3;      /* ADC 0 START OF CONVERSION MODE BIT 1      */
sbit AD0CM0    =   ADC0CN ^ 2;      /* ADC 0 START OF CONVERSION MODE BIT 0      */
sbit AD0WINT   =   ADC0CN ^ 1;      /* ADC 0 WINDOW COMPARE INTERRUPT FLAG       */
sbit AD0LJST   =   ADC0CN ^ 0;      /* ADC 0 RIGHT JUSTIFY DATA BIT              */

/* SPI0CN F8H */
sbit SPIF     =   SPI0CN ^ 7;       /* SPI 0 INTERRUPT FLAG			*/
sbit WCOL     =   SPI0CN ^ 6;       /* SPI 0 WRITE COLLISION FLAG	*/
sbit MODF     =   SPI0CN ^ 5;       /* SPI 0 MODE FAULT FLAG		*/
sbit RXOVRN   =   SPI0CN ^ 4;       /* SPI 0 RX OVERRUN FLAG		*/
sbit TXBSY    =   SPI0CN ^ 3;       /* SPI 0 TX BUSY FLAG			*/
sbit SLVSEL   =   SPI0CN ^ 2;       /* SPI 0 SLAVE SELECT			*/
sbit MSTEN    =   SPI0CN ^ 1;       /* SPI 0 MASTER ENABLE			*/
sbit SPIEN    =   SPI0CN ^ 0;       /* SPI 0 SPI ENABLE				*/

//------------------------------------------------------------------------------------
// 16-bit SFR Definitions for 'F02x
//自己添加
//------------------------------------------------------------------------------------

sfr16 DP       = 0x82;                    // data pointer
sfr16 TMR3RL   = 0x92;                    // Timer3 reload value
sfr16 TMR3     = 0x94;                    // Timer3 counter
sfr16 ADC0     = 0xbe;                    // ADC0 data
sfr16 ADC0GT   = 0xc4;                    // ADC0 greater than window
sfr16 ADC0LT   = 0xc6;                    // ADC0 less than window
//sfr16 ADC0     = 0xBE; 					  // ADC0HL是(ADC0H : ADC0L)
sfr16 RCAP2    = 0xca;                    // Timer2 capture/reload
sfr16 T2       = 0xcc;                    // Timer2
sfr16 RCAP4    = 0xe4;                    // Timer4 capture/reload
sfr16 T4       = 0xf4;                    // Timer4
sfr16 DAC0     = 0xd2;                    // DAC0 data
sfr16 DAC1     = 0xd5;                    // DAC1 data

//-----------------------------------------------------------------------------------
//PIN DEFINE

//P0口引脚定义
sbit AJ1=P0^0;
sbit AJ2=P0^1;
sbit AJ3=P0^2;
sbit AJ4=P0^3;
sbit Max715_PON=P0^4;
sbit Max715_PA0=P0^5;
sbit Max715_PA1=P0^6;
sbit Max715_PA2=P0^7;

//P1口引脚定义
sbit JHD=P1^0;
sbit CWD=P1^1;
sbit TBD=P1^2;
sbit RD=P1^3;
sbit WR=P1^4;
sbit CS=P1^5;
sbit A0=P1^6;
sbit EL_ON=P1^7;


//P2口引脚定义
sbit SDA=P2^0;
sbit SCLK=P2^1;
sbit SYKZ=P2^2;
sbit AJSY=P2^3;
sbit U_RW=P2^4;
sbit U_CS=P2^5;
//sbit CDKZ=P2^6;
//sbit Unused=P2^7;

//P3口引脚定义
sbit LCD_WR=P3^0;
sbit LCD_RD=P3^1;
sbit LCD_CD=P3^2;	
sbit LCD_CE=P3^3;
sbit CDKZ=P3^5;
sbit Ctime=P3^6;	
sbit IRQ=P3^7;	

sbit CS1=P1^6;      //Master chip enable
sbit CS2=P1^7;      //Slave chip enable
sbit Enable=P1^5;   //6800 mode Enable single
sbit Di=P1^3;	    //Data or Instrument Select
sbit RW=P1^4;  		//Write or Read			
//sbit Light=P3^4;	//背光控制