ev.c

DSP2812内部FLASH实时运行标准框架程序

/*********************************************************************
* File: Ev.c                                                         *
* Description: Contains event manager functions used in the TEC      *
*   application.                                                     *
* DSP: TMS320F2812                                                   *
* Author: David M. Alter                                             *
* Function List: InitEv()                                            *
* History:                                                           *
*   11/05/02 - Original, based on DSP28 header files v0.58 (D. Alter)*
* Notes: none                                                        *
*********************************************************************/

/*********************************************************************
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#include "Device.h"


// Correction of bugs in DSP28 Header Files v0.58.  This can be removed
// once the header files are corrected.
#define EXTCONA	EXTCON
#define CAPCONA	CAPCON


/*********************************************************************
* Function: InitEv                                                  *
* Description: Initializes Event Managers A and B to a known state.  *
* DSP: TMS320F2812                                                   *
* Author: David M. Alter                                             *
* Include files: none                                                *
* Function Prototype: void Init_EV(void)                             *
* Useage: Init_EV();                                                 *
* Input Parameters: none                                             *
* Return Value: none                                                 *
* Notes: none                                                        *
*********************************************************************/
void InitEv(void)
{

/*** Configure the EXTCON registers ***/
	EvaRegs.EXTCONA.all = 0x0001;
/*
 bit 15-4      0's:    reserved
 bit 3         0:      EVSOCE, 0 = disable EV start of ADC conversion output
 bit 2         0:      QEPIE, 0 = disable CAP3_QEPI as index input
 bit 1         0:      QEPIQUAL, 0 = CAP3_QEPI qual disabled
 bit 0         1:      INDCOE, 1 = independent compare enable
*/

	EvbRegs.EXTCONB.all = 0x0001;
/*
 bit 15-4      0's:    reserved
 bit 3         0:      EVSOCE, 0 = disable EV start of ADC conversion output
 bit 2         0:      QEPIE, 0 = disable CAP6_QEPI as index input
 bit 1         0:      QEPIQUAL, 0 = CAP6_QEPI qual disabled
 bit 0         1:      INDCOE, 1 = independent compare enable
*/


/*** Disable and clear all event manager interrupts ***/
	EvaRegs.EVAIMRA.all = 0x0000;		// Disable all EVA group A interrupts
	EvaRegs.EVAIMRB.all = 0x0000;		// Disable all EVA group B interrupts
    EvaRegs.EVAIMRC.all = 0x0000;		// Disable all EVA group C interrupts
    EvaRegs.EVAIFRA.all = 0xFFFF;       // Clear all EVA group A interrupts
    EvaRegs.EVAIFRB.all = 0xFFFF;		// Clear all EVA group B interrupts
    EvaRegs.EVAIFRC.all = 0xFFFF;		// Clear all EVA group C interrupts

	EvbRegs.EVBIMRA.all = 0x0000;		// Disable all EVB group A interrupts
	EvbRegs.EVBIMRB.all = 0x0000;		// Disable all EVB group B interrupts
    EvbRegs.EVBIMRC.all = 0x0000;		// Disable all EVB group C interrupts
    EvbRegs.EVBIFRA.all = 0xFFFF;       // Clear all EVB group A interrupts
    EvbRegs.EVBIFRB.all = 0xFFFF;		// Clear all EVB group B interrupts
    EvbRegs.EVBIFRC.all = 0xFFFF;		// Clear all EVB group C interrupts

} //end InitEv()

/*** end of file *****************************************************/