sdrv_multicapture.h

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#ifndef SDRV_MULTI_CPT_H
#define SDRV_MULTI_CPT_H
 
 
#define ETIMER_IP_MAX_MODULE            (8U)    /*etimer的模块的最大数量*/
#define MULTI_CPT_MODULE_NUM            (2U)    /*支持multi capture模块的数量。当前只有etimer1 和 etimer2支持multi capture的功能*/
#define MULTI_CPT_MAX_IO_NUM            (32U)   /*支持multi capture模块,最大输入捕获的通道数量*/
#define MULTI_CPT_BURST_LEN             (1)     /*缓冲区数据buff的大小*/
#define MULTI_CPT_DMA_BURST_LEN         (1)     /*DMA每次搬运一个数据*/
 
 
typedef enum {
    MULTI_CPT_RISING_EDGE = 0u,                 /*上升沿*/
    MULTI_CPT_FALLING_EDGE                      /*下降沿*/
} sdrv_multicpt_edge_change_type;
 
 
typedef enum {
    MULTI_CPT_ACTIVE = 0u,                      /*通道Active*/
    MULTI_CPT_IDLE                              /*通道Idle*/
} sdrv_multicpt_input_state_type;
 
 
typedef enum {
    MULTI_CPT_ETIMER1 = 0U,
    MULTI_CPT_ETIMER2 = 1U,
    MULTI_CPT_ETIMER3 = 2U,
    MULTI_CPT_ETIMER4 = 3U,                     /*etimer的模块*/
} sdrv_multicpt_hw_module;
 
typedef enum {
    MULTI_CPT_SEL_HF_CLK = 0,                   /*默认值*/
    MULTI_CPT_SEL_AHF_CLK,
    MULTI_CPT_SEL_EXT_CLK,
    MULTI_CPT_SEL_LP_CLK,
} sdrv_multicpt_clock_ref_type;         /*时钟源*/
 
 
typedef struct {
    uint8_t  u8TimerModule;                      /*etimer模块ID*/
    uint8_t  u8MultiCptChannum;                  /*multi capture的数量*/
    uint16_t u16Prescaler;                       /*时钟分频系数*/
    sdrv_multicpt_clock_ref_type eClockRef;      /*时钟源*/
    uint32_t irq;                                /*中断号*/
    bool int_en;                                 /*是否使能中断还是DMA*/
} sdrv_multicpt_config;
 
 
 
 
extern uint8_t sdrv_get_chip_version(void);
 
extern void sdrv_etimer_multicpt_init(void);
 
extern void sdrv_etimer_multicpt_module_init(sdrv_multicpt_config *pmulticpt_config);
 
extern void sdrv_etimer_multicpt_module_deinit(uint8_t timer_module);
 
extern void sdrv_etimer_multicpt_channel_start_capture(uint8_t timer_module, uint8_t channel);
 
extern void sdrv_etimer_multicpt_channel_stop_capture(uint8_t timer_module, uint8_t channel);
 
#endif