dsp281x_xintrupt.h

dsp ccs3.3 lcd keybord 适合初学

//###########################################################################
//
// FILE:  DSP281x_XIntrupt.h
//
// TITLE: DSP281x Device External Interrupt Register Definitions.
//
//###########################################################################
//
//  Ver | dd mmm yyyy | Who  | Description of changes
// =====|=============|======|===============================================
//  1.00| 11 Sep 2003 | L.H. | No change since previous version (v.58 Alpha)
//###########################################################################

#ifndef DSP281x_XINTRUPT_H
#define DSP281x_XINTRUPT_H


#ifdef __cplusplus
extern "C" {
#endif

//---------------------------------------------------------------------------

struct XINTCR_BITS {
    Uint16   ENABLE:1;    // 0      enable/disable
    Uint16   rsvd1:1;     // 1      reserved
    Uint16   POLARITY:1;  // 2      pos/neg triggered
    Uint16   rsvd2:12;    // 15:3   reserved
};

union XINTCR_REG {
   Uint16               all;
   struct XINTCR_BITS   bit;
};  

struct XNMICR_BITS {
    Uint16   ENABLE:1;    // 0      enable/disable
    Uint16   SELECT:1;    // 1      Timer 1 or XNMI connected to INT13
    Uint16   POLARITY:1;  // 2      pos/neg triggered
    Uint16   rsvd2:12;    // 15:3   reserved
};

union XNMICR_REG {
   Uint16               all;
   struct XNMICR_BITS   bit;
};  




//---------------------------------------------------------------------------
// External Interrupt Register File:
//
struct XINTRUPT_REGS {
   union XINTCR_REG XINT1CR;
   union XINTCR_REG XINT2CR;
   Uint16 rsvd1[5];
   union XNMICR_REG XNMICR;
   Uint16 XINT1CTR;
   Uint16 XINT2CTR;
   Uint16 rsvd[5];
   Uint16 XNMICTR;
};

//---------------------------------------------------------------------------
// External Interrupt References & Function Declarations:
//
extern volatile struct XINTRUPT_REGS XIntruptRegs;

#ifdef __cplusplus
}
#endif /* extern "C" */

#endif  // end of DSP281x_XINTF_H definition

//===========================================================================
// No more.
//===========================================================================