xc_drv_timer.h

浏览该文件的文档.

 
#ifndef _XC_DRV_TIMER_H_
#define _XC_DRV_TIMER_H_
 
/*-----------------------------------------------------------------------------------
                                       INCLUDE HEADE FILES
 ------------------------------------------------------------------------------------*/
#include <stdbool.h>
#include <stdio.h>
 
#include "xc6xxx.h"
/*------------------------------------------------------------------------------------
                                             Macros
 -------------------------------------------------------------------------------------*/
 
#define TIMER_MIN_TLC_VAL 0x04
#define TIMER_CLKSRC_32K_CAL(us) (  (CLOCK_RC_LFCLK_IN_32K / 1000)*us / 1000)
#define TIMER_CLKSRC_32K_DIV_CAL(us, div) (32000 /(2 * (div + 1)) /100 * us / 10000)
#define TIMER_CLKSRC_32M_DIV_CAL(us, div) (32000000 / (2 * (div + 1)) /100000 * us / 10)
 
 
 
#define TIMER_TCR_TIM_DISABLE (0x00UL) 
#define TIMER_TCR_TIM_ENABLE  (0x01UL)
 
#define TIMER_TCR_TES_ENABLE  (0x01UL)
#define TIMER_TCR_TES_DISABLE (0x00UL)
/*------------------------------------------------------------------------------------
                                            TypeDef
 -------------------------------------------------------------------------------------*/
typedef enum
{
    TIMER_CLK_SRC_32M_DIV = 0, /* Timer CLK SRC 32MHz div. */
    TIMER_CLK_SRC_32K_DIV = 1, /* Timer CLK SRC 32kHz div. */
    TIMER_CLK_SRC_32K     = 3, /* Timer CLK SRC 32kHz. */
} TIMER_SrcClkTypeDef;
 
typedef enum
{
    TIMER_DIV_CLK_16MHzOr16K    = 0, /* Timer ref clk 16 MHz or 16KHz */
    TIMER_DIV_CLK_8MHzOr8K      = 1, /* Timer ref clk 8 MHz or 8KHz */
    TIMER_DIV_CLK_4MHzOr4K      = 2, /* Timer ref clk 4 MHz or 4KHz.*/
    TIMER_DIV_CLK_2MHzOr2K      = 3, /* Timer ref clk 2 MHz or 2KHz.*/
    TIMER_DIV_CLK_1MHzOr1K      = 4, /* Timer ref clk 1 MHz or 1KHz.*/
    TIMER_DIV_CLK_500KHzOr500   = 5, /* Timer ref clk 500 kHz or 500Hz.*/
    TIMER_DIV_CLK_250KHzOr250   = 6, /* Timer ref clk 250 kHz or 250Hz.*/
    TIMER_DIV_CLK_125KHzOr125   = 7, /* Timer ref clk 125 kHz or 125Hz.*/
    TIMER_DIV_CLK_62500HzOr62_5 = 8, /* Timer ref clk 62500 Hz or 62.5Hz.*/
    TIMER_DIV_CLK_32000Hz       = 9  /* Timer ref clk 32000 Hz.*/
} Timer_DivClkTypeDef;
 
typedef enum
{
    TIMER_MODE_SINGLE = 0,
    TIMER_MODE_CYCLE  = 1,
} Timer_ModeTypeDef;
 
typedef struct
{
    TIMER_SrcClkTypeDef timer_src_clk; /* Timer src clk. */
    Timer_DivClkTypeDef timer_div_clk; /* Timer div clk. */
    Timer_ModeTypeDef timer_mode;      /* Timer mode. */
    uint32_t ticks;                    /* Timer ticks. */
} Timer_InitCfg_t;
 
/*------------------------------------------------------------------------------------
                                         Global Variables
 -------------------------------------------------------------------------------------*/
typedef void (*timer_handler_callback)(void *context);
 
/*------------------------------------------------------------------------------------
                                        Exported Functions
 -------------------------------------------------------------------------------------*/
void xc_timer_init(uint8_t reg_idx, Timer_InitCfg_t *init_cfg);
void xc_timer_set_value(uint8_t reg_idx, uint32_t us);
void xc_timer_start(uint8_t reg_idx);
void xc_timer_stop(uint8_t reg_idx);
 
void timer0_callback(void *context);
void timer1_callback(void *context);
void timer2_callback(void *context);
void timer3_callback(void *context);
 
#endif // _XC_DRV_AOTIMER_H_