#ifndef VL53L1_H
#define VL53L1_H
#include "vl53l1_api.h"
#include "SEGGER_RTT.h"

#define printf(...)		 SEGGER_RTT_printf(0, __VA_ARGS__)

//detection mode
#define DEFAULT_MODE   0	//default,see manul 5.3.1
#define HIGH_ACCURACY  1
#define LONG_RANGE     2
#define HIGH_SPEED     3
#ifdef __cplusplus
 extern "C" {
#endif
//param struct for vl53l1x mode option, in manual 6.2 
typedef __packed struct
{
	FixPoint1616_t signalLimit;    //Signal,related to reflected amplitude 
	FixPoint1616_t sigmaLimit;     //Sigmal, related to distance mm
//	FixPoint1616_t ignoreThres;  //ignore threshold
	uint32_t timingBudget;         //When the ranging mode is set to timed ranging, user has to define the period of time
																 //between two consecutive measurements.
	uint8_t preRangeVcselPeriod ;  //VCSEL pulse cycle
	uint8_t finalRangeVcselPeriod ;//VCSEL pulse cycle period
}mode_data;


VL53L1_Error VL53L1Init(VL53L1_Dev_t* pDev);
VL53L1_Error VL53InitParam(VL53L1_Dev_t* pDev,uint8_t mode);
VL53L1_Error VL53Cali(VL53L1_Dev_t* pDev,void * save);
VL53L1_Error getDistance(VL53L1_Dev_t* pDev);

//add by lwy
VL53L1_Error VL53L1Init_Roi(VL53L1_Dev_t* pDev,VL53L1_DistanceModes ROI_DistanceMode);
VL53L1_Error VL53InitParam_Roi(VL53L1_Dev_t* pDev,uint32_t ROI_TimingBudgetMicroSeconds, uint32_t ROI_InterMeasurementPeriodMilliSeconds, VL53L1_UserRoi_t *roi_zone);
VL53L1_Error getDistanceByRoi(VL53L1_Dev_t* pDev, VL53L1_UserRoi_t *roi_zone, int32_t *return_distance);


extern VL53L1_Dev_t VL53;
extern int32_t distance;
#ifdef __cplusplus
}
#endif
#endif