timer.c

来自「瑞萨(Renesas)M16C系列芯片的函数库」· C语言 代码 · 共 55 行

#include "timer.h"	// timer utility header file
#include "sfr62p.h"	// SFR definition of M16C/62P

/*""FUNC COMMENT""*************************************************************
* ID         		: ---
* Function name     : void InitTA0(void)
* Function     		: initialize TA0
* Paramenter   		: none
* Return 	 		: none
* Function used		: none
* Notice	   		: none
* History    		: ---
*""FUNC COMMENT END""*********************************************************/
void InitTA0(void)
{
	ta0mr = 0x0;                   /* set TA0 mode register         */
                                    /* 10000000                             */
                                    /* ||||||++---- timer mode            */
                                    /* |||||+------ pulse is not output    */
                                    /* |||++------- gate function not available  */
                                    /* ||+--------- set to 0 in timer mode       */
                                    /* ++---------- count source f1 or f2       */
                                    /*              (f(XIN)=24MHz)    */
    ta0 = 1249;                     /* set TA0 register (19200Hz)          */
    ta0ic = 0x01;                   /* TA0 interrupt control register       */
                                    /* xxxx0001                             */
                                    /*     |+++---- IPL      */
                                    /*     +------- interrupt requeset bit      */
    ta0s = 1;                     /* start TA0                 */
}

/*""FUNC COMMENT""*************************************************************
* ID         		: ---
* Function name     : void InitTA3(void)
* Function     		: initialize TA3
* Paramenter   		: none
* Return 	 		: none
* Function used		: none
* Notice	   		: none
* History    		: ---
*""FUNC COMMENT END""*********************************************************/
void InitTA3(void)
{
	ta3mr	= 0x04;    				/* set TA3 mode register         */
                                    /* 10000000                             */
                                    /* ||||||++---- timer mode            */
                                    /* |||||+------ pulse is output    */
                                    /* |||++------- gate function not available  */
                                    /* ||+--------- set to 0 in timer mode       */
                                    /* ++---------- count source f1 or f2       */
                                    /*              (f(XIN)=24MHz)    */             
   	ta3 	= 315;					/* set TA3 register (76KHz)          */
    ta3ic 	= 0x00; 				/* disable interrupt				*/
    ta3s 	= 0;					/* disable TA3 count				*/
}