c8051F040液晶显示程序

/*  CPT1CN  0x88 */
sbit CP1EN   = CPT1CN ^ 7;          /* COMPARATOR 1 ENABLE                 */
sbit CP1OUT  = CPT1CN ^ 6;          /* COMPARATOR 1 OUTPUT                 */
sbit CP1RIF  = CPT1CN ^ 5;          /* COMPARATOR 1 RISING EDGE INTERRUPT  */
sbit CP1FIF  = CPT1CN ^ 4;          /* COMPARATOR 1 FALLING EDGE INTERRUPT */
sbit CP1HYP1 = CPT1CN ^ 3;          /* COMPARATOR 1 POSITIVE HYSTERESIS 1  */
sbit CP1HYP0 = CPT1CN ^ 2;          /* COMPARATOR 1 POSITIVE HYSTERESIS 0  */
sbit CP1HYN1 = CPT1CN ^ 1;          /* COMPARATOR 1 NEGATIVE HYSTERESIS 1  */
sbit CP1HYN0 = CPT1CN ^ 0;          /* COMPARATOR 1 NEGATIVE HYSTERESIS 0  */

/*  CPT2CN  0x88 */
sbit CP2EN   = CPT2CN ^ 7;          /* COMPARATOR 2 ENABLE                 */
sbit CP2OUT  = CPT2CN ^ 6;          /* COMPARATOR 2 OUTPUT                 */
sbit CP2RIF  = CPT2CN ^ 5;          /* COMPARATOR 2 RISING EDGE INTERRUPT  */
sbit CP2FIF  = CPT2CN ^ 4;          /* COMPARATOR 2 FALLING EDGE INTERRUPT */
sbit CP2HYP1 = CPT2CN ^ 3;          /* COMPARATOR 2 POSITIVE HYSTERESIS 1  */
sbit CP2HYP0 = CPT2CN ^ 2;          /* COMPARATOR 2 POSITIVE HYSTERESIS 0  */
sbit CP2HYN1 = CPT2CN ^ 1;          /* COMPARATOR 2 NEGATIVE HYSTERESIS 1  */
sbit CP2HYN0 = CPT2CN ^ 0;          /* COMPARATOR 2 NEGATIVE HYSTERESIS 0  */

/*  SCON0  0x98 */
sbit SM00 = SCON0 ^ 7;              /* UART 0 MODE 0            */
sbit SM10 = SCON0 ^ 6;              /* UART 0 MODE 1            */
sbit SM20 = SCON0 ^ 5;              /* UART 0 MCE               */
sbit REN0 = SCON0 ^ 4;              /* UART 0 RX ENABLE         */
sbit TB80 = SCON0 ^ 3;              /* UART 0 TX BIT 8          */
sbit RB80 = SCON0 ^ 2;              /* UART 0 RX BIT 8          */
sbit TI0  = SCON0 ^ 1;              /* UART 0 TX INTERRUPT FLAG */
sbit RI0  = SCON0 ^ 0;              /* UART 0 RX INTERRUPT FLAG */

/*  SCON1  0x98 */
sbit S0MODE = SCON1 ^ 7;            /* UART 1 MODE              */
sbit MCE1   = SCON1 ^ 5;            /* UART 1 MCE               */
sbit REN1   = SCON1 ^ 4;            /* UART 1 RX ENABLE         */
sbit TB81   = SCON1 ^ 3;            /* UART 1 TX BIT 8          */
sbit RB81   = SCON1 ^ 2;            /* UART 1 RX BIT 8          */
sbit TI1    = SCON1 ^ 1;            /* UART 1 TX INTERRUPT FLAG */
sbit RI1    = SCON1 ^ 0;            /* UART 1 RX 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                  */

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