c8051F040液晶显示程序

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          */

/* CAN0STA 0xC0 */
sbit BOFF   = CAN0STA ^ 7;          /* Bus Off Status                  */
sbit EWARN  = CAN0STA ^ 6;          /* Warning Status                  */
sbit EPASS  = CAN0STA ^ 5;          /* Error Passive                   */
sbit RXOK   = CAN0STA ^ 4;          /* Received Message Successfully   */
sbit TXOK   = CAN0STA ^ 3;          /* Transmit a Message Successfully */
sbit LEC2   = CAN0STA ^ 2;          /* Last error code bit 2           */
sbit LEC1   = CAN0STA ^ 1;          /* Last error code bit 1           */
sbit LEC0   = CAN0STA ^ 0;          /* Last error code bit            */

/*  TMR2CN  0xC8 */
sbit TF2   = TMR2CN ^ 7;            /* TIMER 2 OVERFLOW FLAG        */
sbit EXF2  = TMR2CN ^ 6;            /* TIMER 2 EXTERNAL FLAG        */
sbit EXEN2 = TMR2CN ^ 3;            /* TIMER 2 EXTERNAL ENABLE FLAG */
sbit TR2   = TMR2CN ^ 2;            /* TIMER 2 ON/OFF CONTROL       */
sbit CT2   = TMR2CN ^ 1;            /* TIMER 2 COUNTER SELECT       */
sbit CPRL2 = TMR2CN ^ 0;            /* TIMER 2 CAPTURE SELECT       */

/*  TMR3CN  0xC8 */
sbit TF3   = TMR3CN ^ 7;            /* TIMER 3 OVERFLOW FLAG        */
sbit EXF3  = TMR3CN ^ 6;            /* TIMER 3 EXTERNAL FLAG        */
sbit EXEN3 = TMR3CN ^ 3;            /* TIMER 3 EXTERNAL ENABLE FLAG */
sbit TR3   = TMR3CN ^ 2;            /* TIMER 3 ON/OFF CONTROL       */
sbit CT3   = TMR3CN ^ 1;            /* TIMER 3 COUNTER SELECT       */
sbit CPRL3 = TMR3CN ^ 0;            /* TIMER 3 CAPTURE SELECT       */

/*  TMR4CN  0xC8 */
sbit TF4   = TMR4CN ^ 7;            /* TIMER 4 OVERFLOW FLAG        */
sbit EXF4  = TMR4CN ^ 6;            /* TIMER 4 EXTERNAL FLAG        */
sbit EXEN4 = TMR4CN ^ 3;            /* TIMER 4 EXTERNAL ENABLE FLAG */
sbit TR4   = TMR4CN ^ 2;            /* TIMER 4 ON/OFF CONTROL       */
sbit CT4   = TMR4CN ^ 1;            /* TIMER 4 COUNTER SELECT       */
sbit CPRL4 = TMR4CN ^ 0;            /* TIMER 4 CAPTURE SELECT       */

/*  PSW 0xD0 */
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 0xD8 */
sbit CF   = PCA0CN ^ 7;             /* PCA 0 COUNTER OVERFLOW FLAG   */
sbit CR   = PCA0CN ^ 6;             /* PCA 0 COUNTER RUN CONTROL BIT */
sbit CCF5 = PCA0CN ^ 5;             /* PCA 0 MODULE 5 INTERRUPT FLAG */
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 */

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本文关键字：程序  51单片机，单片机-工控设备 - 51单片机