f07pwmdac1.c

来自「TI公司24X系列DSP控制无刷直流电机」· C语言 代码 · 共 42 行

/* ==================================================================================
File name:       F07PWMDAC1.C
                    
Originator:	Digital Control Systems Group
			Texas Instruments
Description:                                   
This file contains source for the Full Compare PWMDAC  drivers for the F2407
Applicability of these functions is indicated in the Table 1               
=====================================================================================
History:
-------------------------------------------------------------------------------------
 12-10-2000	Release	Rev 1.00                                                   */
/*----------------------------------------------------------------------------*/
/*                           T A B L E      1                                 */
/*----------------------------------------------------------------------------*/
/*     Function Name    |    Applicability                                    */
/*----------------------------------------------------------------------------*/
/*                      |      F240 | F241| F243 | LF2402 | LF2406 | LF2407   */
/*                      |           |     |      |        |        |          */
/* F2407_PWMDAC_Init    |           |     |      |   Y    |   Y    |    Y     */
/*----------------------------------------------------------------------------*/


#include "..\include\regs240x.h" 
#include "..\include\F07PWMDAC.h"
#include "..\include\override.h"

int F2407_PWMDAC_Init(PWMDAC *p) 
{      
	   	SCSR1|=0x0008;                 /* Turn EVB Clocks on            */
        T3PER=p->pwmdac_period*15;     /* Init Timer 3 period Register  */
        T3CON=PWMDAC_INIT_STATE;       /* Symmetrical Operation         */
        DBTCONB=DBTCONB_INIT_STATE;                                    
        ACTRB=ACTRB_INIT_STATE;                
        COMCONB=0x8200;
        MCRC|=0x007e;    /* Set up the full compare PWM pins to primary functions.*/
      
        return(0);
}