p33fj256gp710.h

dspic33f 的I2C模块访问代码 是微芯公司官方提供的程序

    unsigned WAKE:1;
    unsigned UEN:2;
    unsigned ALTIO:1;
    unsigned RTSMD:1;
    unsigned IREN:1;
    unsigned USIDL:1;
    unsigned :1;
    unsigned UARTEN:1;
  };
  struct {
    unsigned :1;
    unsigned PDSEL0:1;
    unsigned PDSEL1:1;
    unsigned :5;
    unsigned UEN0:1;
    unsigned UEN1:1;
  };
} U1MODEbits __attribute__((__sfr__));

extern volatile unsigned int  U1STA __attribute__((__sfr__));
extern volatile union {
  struct {
    unsigned URXDA:1;
    unsigned OERR:1;
    unsigned FERR:1;
    unsigned PERR:1;
    unsigned RIDLE:1;
    unsigned ADDEN:1;
    unsigned URXISEL:2;
    unsigned TRMT:1;
    unsigned UTXBF:1;
    unsigned UTXEN:1;
    unsigned UTXBRK:1;
    unsigned :1;
    unsigned UTXISEL0:1;
    unsigned UTXINV:1;
    unsigned UTXISEL1:1;
  };
  struct {
    unsigned :6;
    unsigned URXISEL0:1;
    unsigned URXISEL1:1;
  };
} U1STAbits __attribute__((__sfr__));

extern volatile unsigned int  U1TXREG __attribute__((__sfr__));
extern volatile struct {
  unsigned UTXREG0:1;
  unsigned UTXREG1:1;
  unsigned UTXREG2:1;
  unsigned UTXREG3:1;
  unsigned UTXREG4:1;
  unsigned UTXREG5:1;
  unsigned UTXREG6:1;
  unsigned UTXREG7:1;
  unsigned UTX8:1;
} U1TXREGbits __attribute__((__sfr__));

extern volatile unsigned int  U1RXREG __attribute__((__sfr__));
extern volatile struct {
  unsigned URXREG0:1;
  unsigned URXREG1:1;
  unsigned URXREG2:1;
  unsigned URXREG3:1;
  unsigned URXREG4:1;
  unsigned URXREG5:1;
  unsigned URXREG6:1;
  unsigned URXREG7:1;
  unsigned URX8:1;
} U1RXREGbits __attribute__((__sfr__));

extern volatile unsigned int  U1BRG __attribute__((__sfr__));
extern volatile unsigned int  U2MODE __attribute__((__sfr__));
extern volatile union {
  struct {
    unsigned STSEL:1;
    unsigned PDSEL:2;
    unsigned BRGH:1;
    unsigned URXINV:1;
    unsigned ABAUD:1;
    unsigned LPBACK:1;
    unsigned WAKE:1;
    unsigned UEN:2;
    unsigned ALTIO:1;
    unsigned RTSMD:1;
    unsigned IREN:1;
    unsigned USIDL:1;
    unsigned :1;
    unsigned UARTEN:1;
  };
  struct {
    unsigned :1;
    unsigned PDSEL0:1;
    unsigned PDSEL1:1;
    unsigned :5;
    unsigned UEN0:1;
    unsigned UEN1:1;
  };
} U2MODEbits __attribute__((__sfr__));

extern volatile unsigned int  U2STA __attribute__((__sfr__));
extern volatile union {
  struct {
    unsigned URXDA:1;
    unsigned OERR:1;
    unsigned FERR:1;
    unsigned PERR:1;
    unsigned RIDLE:1;
    unsigned ADDEN:1;
    unsigned URXISEL:2;
    unsigned TRMT:1;
    unsigned UTXBF:1;
    unsigned UTXEN:1;
    unsigned UTXBRK:1;
    unsigned :1;
    unsigned UTXISEL0:1;
    unsigned UTXINV:1;
    unsigned UTXISEL1:1;
  };
  struct {
    unsigned :6;
    unsigned URXISEL0:1;
    unsigned URXISEL1:1;
  };
} U2STAbits __attribute__((__sfr__));

extern volatile unsigned int  U2TXREG __attribute__((__sfr__));
extern volatile struct {
  unsigned UTXREG0:1;
  unsigned UTXREG1:1;
  unsigned UTXREG2:1;
  unsigned UTXREG3:1;
  unsigned UTXREG4:1;
  unsigned UTXREG5:1;
  unsigned UTXREG6:1;
  unsigned UTXREG7:1;
  unsigned UTX8:1;
} U2TXREGbits __attribute__((__sfr__));

extern volatile unsigned int  U2RXREG __attribute__((__sfr__));
extern volatile struct {
  unsigned URXREG0:1;
  unsigned URXREG1:1;
  unsigned URXREG2:1;
  unsigned URXREG3:1;
  unsigned URXREG4:1;
  unsigned URXREG5:1;
  unsigned URXREG6:1;
  unsigned URXREG7:1;
  unsigned URX8:1;
} U2RXREGbits __attribute__((__sfr__));

extern volatile unsigned int  U2BRG __attribute__((__sfr__));

/* Generic structure of entire SFR area for each SPI module */
typedef struct tagSPI {
        unsigned int spixstat;
        unsigned int spixcon;
        unsigned int spixbuf;
} SPI, *PSPI;

/* SFR blocks for each SPI module */
extern volatile SPI SPI1 __attribute__((__sfr__));
extern volatile SPI SPI2 __attribute__((__sfr__));

extern volatile unsigned int  SPI1STAT __attribute__((__sfr__));
extern volatile union {
  struct {
    unsigned SPIRBF:1;
    unsigned SPITBF:1;
    unsigned :4;
    unsigned SPIROV:1;
    unsigned :1;
    unsigned BUFELM:3;
    unsigned :2;
    unsigned SPISIDL:1;
    unsigned :1;
    unsigned SPIEN:1;
  };
  struct {
    unsigned :8;
    unsigned BUFELM0:1;
    unsigned BUFELM1:1;
    unsigned BUFELM2:1;
  };
} SPI1STATbits __attribute__((__sfr__));

extern volatile unsigned int  SPI1CON1 __attribute__((__sfr__));
extern volatile union {
  struct {
    unsigned PPRE:2;
    unsigned SPRE:3;
    unsigned MSTEN:1;
    unsigned CKP:1;
    unsigned SSEN:1;
    unsigned CKE:1;
    unsigned SMP:1;
    unsigned MODE16:1;
    unsigned DISSDO:1;
    unsigned DISSCK:1;
  };
  struct {
    unsigned PPRE0:1;
    unsigned PPRE1:1;
    unsigned SPRE0:1;
    unsigned SPRE1:1;
    unsigned SPRE2:1;
  };
} SPI1CON1bits __attribute__((__sfr__));

extern volatile unsigned int  SPI1CON2 __attribute__((__sfr__));
extern volatile struct {
  unsigned ENHBUF:1;
  unsigned FRMDLY:1;
  unsigned :11;
  unsigned FRMPOL:1;
  unsigned SPIFSD:1;
  unsigned FRMEN:1;
} SPI1CON2bits __attribute__((__sfr__));

extern volatile unsigned int  SPI1BUF __attribute__((__sfr__));
extern volatile unsigned int  SPI2STAT __attribute__((__sfr__));
extern volatile union {
  struct {
    unsigned SPIRBF:1;
    unsigned SPITBF:1;
    unsigned :4;
    unsigned SPIROV:1;
    unsigned :1;
    unsigned BUFELM:3;
    unsigned :2;
    unsigned SPISIDL:1;
    unsigned :1;
    unsigned SPIEN:1;
  };
  struct {
    unsigned :8;
    unsigned BUFELM0:1;
    unsigned BUFELM1:1;
    unsigned BUFELM2:1;
  };
} SPI2STATbits __attribute__((__sfr__));

extern volatile unsigned int  SPI2CON1 __attribute__((__sfr__));
extern volatile union {
  struct {
    unsigned PPRE:2;
    unsigned SPRE:3;
    unsigned MSTEN:1;
    unsigned CKP:1;
    unsigned SSEN:1;
    unsigned CKE:1;
    unsigned SMP:1;
    unsigned MODE16:1;
    unsigned DISSDO:1;
    unsigned DISSCK:1;
  };
  struct {
    unsigned PPRE0:1;
    unsigned PPRE1:1;
    unsigned SPRE0:1;
    unsigned SPRE1:1;
    unsigned SPRE2:1;
  };
} SPI2CON1bits __attribute__((__sfr__));

extern volatile unsigned int  SPI2CON2 __attribute__((__sfr__));
extern volatile struct {
  unsigned ENHBUF:1;
  unsigned FRMDLY:1;
  unsigned :11;
  unsigned FRMPOL:1;
  unsigned SPIFSD:1;
  unsigned FRMEN:1;
} SPI2CON2bits __attribute__((__sfr__));

extern volatile unsigned int  SPI2BUF __attribute__((__sfr__));
extern volatile unsigned int  DCICON1 __attribute__((__sfr__));
extern volatile union {
  struct {
    unsigned COFSM:2;
    unsigned :3;
    unsigned DJST:1;
    unsigned CSDOM:1;
    unsigned UNFM:1;
    unsigned COFSD:1;
    unsigned CSCKE:1;
    unsigned CSCKD:1;
    unsigned DLOOP:1;
    unsigned :1;
    unsigned DCISIDL:1;
    unsigned :1;
    unsigned DCIEN:1;
  };
  struct {
    unsigned COFSM0:1;
    unsigned COFSM1:1;
  };
} DCICON1bits __attribute__((__sfr__));

extern volatile unsigned int  DCICON2 __attribute__((__sfr__));
extern volatile union {
  struct {
    unsigned WS:4;
    unsigned :1;
    unsigned COFSG:4;
    unsigned :1;
    unsigned BLEN:2;
  };
  struct {
    unsigned WS0:1;
    unsigned WS1:1;
    unsigned WS2:1;
    unsigned WS3:1;
    unsigned :1;
    unsigned COFSG0:1;
    unsigned COFSG1:1;
    unsigned COFSG2:1;
    unsigned COFSG3:1;
    unsigned :1;
    unsigned BLEN0:1;
    unsigned BLEN1:1;
  };
} DCICON2bits __attribute__((__sfr__));

extern volatile unsigned int  DCICON3 __attribute__((__sfr__));
extern volatile struct {
  unsigned BCG:12;
} DCICON3bits __attribute__((__sfr__));

extern volatile unsigned int  DCISTAT __attribute__((__sfr__));
extern volatile union {
  struct {
    unsigned TMPTY:1;
    unsigned TUNF:1;
    unsigned RFUL:1;
    unsigned ROV:1;
    unsigned :4;
    unsigned SLOT:4;
  };
  struct {
    unsigned :8;
    unsigned SLOT0:1;
    unsigned SLOT1:1;
    unsigned SLOT2:1;
    unsigned SLOT3:1;
  };
} DCISTATbits __attribute__((__sfr__));

extern volatile unsigned int  TSCON __attribute__((__sfr__));
extern volatile struct {
  unsigned TSE0:1;
  unsigned TSE1:1;
  unsigned TSE2:1;
  unsigned TSE3:1;
  unsigned TSE4:1;
  unsigned TSE5:1;
  unsigned TSE6:1;
  unsigned TSE7:1;
  unsigned TSE8:1;
  unsigned TSE9:1;
  unsigned TSE10:1;
  unsigned TSE11:1;
  unsigned TSE12:1;
  unsigned TSE13:1;
  unsigned TSE14:1;
  unsigned TSE15:1;
} TSCONbits __attribute__((__sfr__));

extern volatile unsigned int  RSCON __attribute__((__sfr__));
extern volatile struct {
  unsigned RSE0:1;
  unsigned RSE1:1;
  unsigned RSE2:1;
  unsigned RSE3:1;
  unsigned RSE4:1;
  unsigned RSE5:1;
  unsigned RSE6:1;
  unsigned RSE7:1;
  unsigned RSE8:1;
  unsigned RSE9:1;
  unsigned RSE10:1;
  unsigned RSE11:1;
  unsigned RSE12:1;
  unsigned RSE13:1;
  unsigned RSE14:1;
  unsigned RSE15:1;
} RSCONbits __attribute__((__sfr__));

extern volatile unsigned int  RXBUF0 __attribute__((__sfr__));
extern volatile unsigned int  RXBUF1 __attribute__((__sfr__));
extern volatile unsigned int  RXBUF2 __attribute__((__sfr__));
extern volatile unsigned int  RXBUF3 __attribute__((__sfr__));
extern volatile unsigned int  TXBUF0 __attribute__((__sfr__));
extern volatile unsigned int  TXBUF1 __attribute__((__sfr__));
extern volatile unsigned int  TXBUF2 __attribute__((__sfr__));
extern volatile unsigned int  TXBUF3 __attribute__((__sfr__));
extern volatile unsigned int  TRISA __attribute__((__sfr__));
extern volatile struct {
  unsigned TRISA0:1;
  unsigned TRISA1:1;
  unsigned TRISA2:1;
  unsigned TRISA3:1;
  unsigned TRISA4:1;
  unsigned TRISA5:1;
  unsigned TRISA6:1;
  unsigned TRISA7:1;
  unsigned :1;
  unsigned TRISA9:1;
  unsigned TRISA10:1;
  unsigned :1;
  unsigned TRISA12:1;
  unsigned TRISA13:1;
  unsigned TRISA14:1;
  unsigned TRISA15:1;
} TRISAbits __attribute__((__sfr__));

extern volatile unsigned int  PORTA __attribute__((__sfr__));
extern volatile struct {
  unsigned RA0:1;
  unsigned RA1:1;
  unsigned RA2:1;
  unsigned RA3:1;
  unsigned RA4:1;
  unsigned RA5:1;
  unsigned RA6:1;
  unsigned RA7:1;
  unsigned :1;
  unsigned RA9:1;
  unsigned RA10:1;
  unsigned :1;
  unsigned RA12:1;
  unsigned RA13:1;
  unsigned RA14:1;
  unsigned RA15:1;
} PORTAbits __attribute__((__sfr__));

extern volatile unsigned int  LATA __attribute__((__sfr__));
extern volatile struct {
  unsigned LATA0:1;
  unsigned LATA1:1;
  unsigned LATA2:1;
  unsigned LATA3:1;
  unsigned LATA4:1;
  unsigned LATA5:1;
  unsigned LATA6:1;
  unsigned LATA7:1;
  unsigned :1;
  unsigned LATA9:1;
  unsigned LATA10:1;
  unsigned :1;
  unsigned LATA12:1;
  unsigned LATA13:1;
  unsigned LATA14:1;
  unsigned LATA15:1;
} LATAbits __attribute__((__sfr__));

extern volatile unsigned int  TRISB __attribute__((__sfr__));
extern volatile struct {
  unsigned TRISB0:1;
  unsigned TRISB1:1;
  unsigned TRISB2:1;
  unsigned TRISB3:1;
  unsigned TRISB4:1;
  unsigned TRISB5:1;
  unsigned TRISB6:1;
  unsigned TRISB7:1;
  unsigned TRISB8:1;
  unsigned TRISB9:1;
  unsigned TRISB10:1;
  unsigned TRISB11:1;
  unsigned TRISB12:1;
  unsigned TRISB13:1;
  unsigned TRISB14:1;
  unsigned TRISB15:1;
} TRISBbits __attribute__((__sfr__));

extern volatile unsigned int  PORTB __attribute__((__sfr__));
extern volatile struct {
  unsigned RB0:1;
  unsigned RB1:1;
  unsigned RB2:1;
  unsigned RB3:1;
  unsigned RB4:1;
  unsigned RB5:1;
  unsigned RB6:1;
  unsigned RB7:1;
  unsigned RB8:1;
  unsigned RB9:1;
  unsigned RB10:1;
  unsigned RB11:1;
  unsigned RB12:1;
  unsigned RB13:1;
  unsigned RB14:1;
  unsigned RB15:1;
} PORTBbits __attribute__((__sfr__));

extern volatile unsigned int  LATB __attribute__((__sfr__));
extern volatile struct {
  unsigned LATB0:1;
  unsigned LATB1:1;
  unsigned LATB2:1;
  unsigned LATB3:1;
  unsigned LATB4:1;
  unsigned LATB5:1;
  unsigned LATB6:1;
  unsigned LATB7:1;
  unsigned LATB8:1;
  unsigned LATB9:1;
  unsigned LATB10:1;
  unsigned LATB11:1;
  unsigned LATB12:1;
  unsigned LATB13:1;
  unsigned LATB14:1;
  unsigned LATB15:1;
} LATBbits __attribute__((__sfr__));

extern volatile unsigned int  TRISC __attribute__((__sfr__));
extern volatile struct {
  unsigned :1;
  unsigned TRISC1:1;
  unsigned TRISC2:1;
  unsigned TRISC3:1;
  unsigned TRISC4:1;
  unsigned :7;
  unsigned TRISC12:1;
  unsigned TRISC13:1;
  unsigned TRISC14:1;
  unsigned TRISC15:1;
} TRISCbits __attribute__((__sfr__));

extern volatile unsigned int  PORTC __attribute__((__sfr__));
extern volatile struct {
  unsigned :1;
  unsigned RC1:1;