hal_ftm_art.c

最新版IAR FOR ARM（EWARM）5.11中的代码例子

/************************************************************************/
/*                                                                      */
/*    Copyright (C) 2006 Oki Electric Industry Co., LTD.                */
/*                                                                      */
/*    System Name    :  ML675050 series                                 */
/*    Module Name    :  ML675050 FTM_ART HAL program                    */
/*    File   Name    :  hal_ftm_art.c                                   */
/*    Date           :  2005/1/4   initial version                      */
/*                                                                      */
/************************************************************************/

#include "common.h"
#if defined(__arm)
#include "ml675050.h"
#else
#include "ml675050sim.h"
#endif
#include "hal_common.h"
#include "hal_interrupt.h"
#include "hal_ftm_art.h"


/******************************/
/*     Private defines        */
/******************************/
/*--------- function ---------*/
static void _art0_handler(void);
static void _art1_handler(void);
static void _art3_handler(void);
static void _art4_handler(void);
static void _art5_handler(void);

/******************************/
/*     Public defines         */
/******************************/
FP art0_handler = _art0_handler;
FP art1_handler = _art1_handler;
FP art3_handler = _art3_handler;
FP art4_handler = _art4_handler;
FP art5_handler = _art5_handler;


/************************************************************************/
/*                                                                      */
/*  Function Name   : HALArt_FtmArtInit                                 */
/*  Input           : Art                                               */
/*  Output          : int16_t HAL_OK(1)                                 */
/*                            HAL_PARAM_ERROR(-2)                       */
/*  Note            : Initialize ftm_art.                               */
/*                                                                      */
/************************************************************************/
void HALArt_FtmArtInit(Art *art)
{
    OkiCLib_write16(FTM0CON,FTM0CON_ART | FTMCON_FTMCLK16);           /* Ftm0 mode set. */
    OkiCLib_write16(FTM0R, art->cycle0);            /* Ftm0 interrupt cycle.*/
    OkiCLib_set16bit(FTM0IER, FTM0IER_OVFIE);       /* Ftm0 interrupt enable .*/

    OkiCLib_write16(FTM1CON,FTM1CON_ART | FTMCON_FTMCLK16);           /* Ftm1 mode set. */
    OkiCLib_write16(FTM1R, art->cycle1);            /* Ftm1 interrupt cycle.*/
    OkiCLib_set16bit(FTM1IER, FTM1IER_OVFIE);       /* Ftm1 interrupt enable .*/

    OkiCLib_write16(FTM3CON,FTM3CON_ART | FTMCON_FTMCLK16);           /* Ftm3 mode set. */
    OkiCLib_write16(FTM3R, art->cycle3);            /* Ftm3 interrupt cycle.*/
    OkiCLib_set16bit(FTM3IER, FTM3IER_OVFIE);       /* Ftm3 interrupt enable .*/

    OkiCLib_write16(FTM4CON,FTM4CON_ART | FTMCON_FTMCLK16);           /* Ftm4 mode set. */
    OkiCLib_write16(FTM4R, art->cycle4);            /* Ftm4 interrupt cycle.*/
    OkiCLib_set16bit(FTM4IER, FTM4IER_OVFIE);       /* Ftm4 interrupt enable .*/

    OkiCLib_write16(FTM5CON,FTM5CON_ART | FTMCON_FTMCLK16);           /* Ftm5 mode set. */
    OkiCLib_write16(FTM5R, art->cycle5);            /* Ftm5 interrupt cycle.*/
    OkiCLib_set16bit(FTM5IER, FTM5IER_OVFIE);       /* Ftm5 interrupt enable .*/
}

/************************************************************************/
/*                                                                      */
/*  Function Name   : HALArt_FtmArtStart                                */
/*  Input           : start 1: start  0: stop.                          */
/*  Output          : int16_t HAL_OK(1)                                 */
/*                            HAL_PARAM_ERROR(-2)                       */
/*  Note            :   ftm_art start or stop.                          */
/*                                                                      */
/************************************************************************/
void HALArt_FtmArtStart(uint16_t *start) {
    boolean req_start = FALSE;
    boolean req_stop = FALSE;
    uint16_t ftm_en = 0x0;
    uint16_t ftm_dis = 0x0;
    uint16_t i;

    for (i = 0; i < 6; i++) {
        if (start[i] == 1) {
            req_start = TRUE;
            ftm_en |= (FTMEN_FTMEN0 << i);
        }
        else {
            req_stop = TRUE;
            ftm_dis |= (FTMDIS_FTMDIS0 << i);
        }
    }
    
    ftm_en &=0x3B;
    ftm_dis &=0x3B;

    /* enable FTM. */
    if (req_start == TRUE) {
        OkiCLib_write16(FTMEN, ftm_en);
    }
    /* disable FTM. */
    if (req_stop == TRUE) {
        OkiCLib_write16(FTMDIS, ftm_dis);
    }
}

/************************************************************************/
/*                                                                      */
/*  Function Name   : _art_handler                                      */
/*  Input           : void                                              */
/*  Output          : void                                              */
/*                                                                      */
/*  Note : ART handler.                                                 */
/*                                                                      */
/************************************************************************/
static void _art0_handler(void)
{
    OkiCLib_set16bit(FTM0ST,FTM0ST_OVF);
    CALL_BACK_TABLE[INT_FTM0](CALLBACK_STATE_ART); 
}
static void _art1_handler(void)
{
	OkiCLib_set16bit(FTM1ST,FTM1ST_OVF);
    CALL_BACK_TABLE[INT_FTM1](CALLBACK_STATE_ART); 
}
static void _art3_handler(void)
{
	OkiCLib_set16bit(FTM3ST,FTM3ST_OVF);
    CALL_BACK_TABLE[INT_FTM3](CALLBACK_STATE_ART); 
}
static void _art4_handler(void)
{
	OkiCLib_set16bit(FTM4ST,FTM4ST_OVF);
    CALL_BACK_TABLE[INT_FTM4](CALLBACK_STATE_ART); 
}
static void _art5_handler(void)
{
    OkiCLib_set16bit(FTM5ST,FTM5ST_OVF);
    CALL_BACK_TABLE[INT_FTM5](CALLBACK_STATE_ART); 
}