激光测距资料,移植参考的资料
单片机源程序如下:
- #include "vl53l0.h"
- #include "usart.h"
- u8 sendbuff[6]={0,0,0,0,0,0};
- VL53L0X_Dev_t vl53l0x_dev;
- VL53L0X_DeviceInfo_t vl53l0x_dev_info;
- VL53L0X_RangingMeasurementData_t vl53l0x_data;
- VL53L0X_Error vl53l0x_status;
- /***************************************************************************************/
- void print_pal_error(VL53L0X_Error Status)
- {
- char buf[VL53L0X_MAX_STRING_LENGTH];
- VL53L0X_GetPalErrorString(Status, buf); //得到错误码与字符串
- printf("API Status: %i : %s\n", Status, buf);
- }
- void print_range_status(VL53L0X_RangingMeasurementData_t* pdata)
- {
- char buf[VL53L0X_MAX_STRING_LENGTH];
- uint8_t RangeStatus;
- // New Range Status: data is valid when pdata->RangeStatus = 0
- RangeStatus = pdata->RangeStatus;
- VL53L0X_GetRangeStatusString(RangeStatus, buf);
- printf("Range Status: %i : %s\n", RangeStatus, buf);
- }
- VL53L0X_Error vl53l0x_start_single_test(VL53L0X_Dev_t *pdev, \
- VL53L0X_RangingMeasurementData_t *pdata)
- {
- int i=0,j=0,sum=0;
- VL53L0X_Error status = VL53L0X_ERROR_NONE;
-
- if(vl53l0x_status != VL53L0X_ERROR_NONE)
- return vl53l0x_status;
- status = VL53L0X_PerformSingleRangingMeasurement(pdev, pdata); //VL53L0X执行单一测量范围
- if(status != VL53L0X_ERROR_NONE){
- printf("error:Call of VL53L0X_PerformSingleRangingMeasurement\n");
- return status;
- }
- print_range_status(pdata);
- for(i=0;i<5;i++)
- sum+=pdata->RangeMilliMeter;
- pdata->RangeMilliMeter=sum/5;
- printf("Measured distance: %i\n\n", pdata->RangeMilliMeter);
-
- sendbuff[0]=200;
- sendbuff[1]=201;
- sendbuff[2]=pdata->RangeMilliMeter%100;
- sendbuff[3]=pdata->RangeMilliMeter/100;
- sendbuff[4]=data1;
- sendbuff[5]=data2;
-
- for(j=0;j<6;j++)
- {
- USART1->DR = sendbuff[j];
- while((USART1->SR&0X40)==0);//循环发送,直到发送完毕
- }
- return status;
- }
- VL53L0X_Error vl53l0x_measure_init(VL53L0X_Dev_t *pMyDevice)
- {
- VL53L0X_Error Status = VL53L0X_ERROR_NONE;
- //FixPoint1616_t LimitCheckCurrent;
- uint32_t refSpadCount;
- uint8_t isApertureSpads;
- uint8_t VhvSettings;
- uint8_t PhaseCal;
- // Device Initialization
- Status = VL53L0X_StaticInit(pMyDevice); //基本设备初始化
- if(Status != VL53L0X_ERROR_NONE){ //判断是否初始化成功 失败打印错误信息
- printf ("Call of VL53L0X_StaticInit\n");
- print_pal_error(Status);
- return Status;
- }
- // Device Initialization
- Status = VL53L0X_PerformRefCalibration(pMyDevice, &VhvSettings, &PhaseCal); //执行参考校准
- if(Status != VL53L0X_ERROR_NONE){ //判断是否校准成功
- printf ("Call of VL53L0X_PerformRefCalibration\n");
- print_pal_error(Status);
- return Status;
- }
- // needed if a coverglass is used and no calibration has been performed
- Status = VL53L0X_PerformRefSpadManagement(pMyDevice,&refSpadCount, &isApertureSpads);
- if(Status != VL53L0X_ERROR_NONE){
- printf ("Call of VL53L0X_PerformRefSpadManagement\n");
- printf ("refSpadCount = %d, isApertureSpads = %d\n", refSpadCount, isApertureSpads);
- print_pal_error(Status);
- return Status;
- }
- // no need to do this when we use VL53L0X_PerformSingleRangingMeasurement 当我们使用VL53L0X_PerformSingleRangingMeasurement不需要
- Status = VL53L0X_SetDeviceMode(pMyDevice, VL53L0X_DEVICEMODE_SINGLE_RANGING); // Setup in single ranging mode 设置单一测量模式
- if(Status != VL53L0X_ERROR_NONE){
- printf ("Call of VL53L0X_SetDeviceMode\n");
- print_pal_error(Status);
- return Status;
- }
- // Enable/Disable Sigma and Signal check
- if(Status == VL53L0X_ERROR_NONE){
- Status = VL53L0X_SetLimitCheckEnable(pMyDevice, //启用/禁用特定限制检查
- VL53L0X_CHECKENABLE_SIGMA_FINAL_RANGE, 1);
- }
- if(Status == VL53L0X_ERROR_NONE){
- Status = VL53L0X_SetLimitCheckEnable(pMyDevice,
- VL53L0X_CHECKENABLE_SIGNAL_RATE_FINAL_RANGE, 1);
- }
-
- if(Status == VL53L0X_ERROR_NONE){
- Status = VL53L0X_SetLimitCheckValue(pMyDevice,
- VL53L0X_CHECKENABLE_SIGNAL_RATE_FINAL_RANGE,
- (FixPoint1616_t)(0.25*65536));
- }
- if(Status == VL53L0X_ERROR_NONE){
- Status = VL53L0X_SetLimitCheckValue(pMyDevice,
- VL53L0X_CHECKENABLE_SIGMA_FINAL_RANGE,
- (FixPoint1616_t)(18*65536));
- }
- if(Status == VL53L0X_ERROR_NONE){
- Status = VL53L0X_SetMeasurementTimingBudgetMicroSeconds(pMyDevice, //设置微秒时间
- 200000);
- }
- if(Status != VL53L0X_ERROR_NONE){
- printf ("Sigma and Signal check error\n");
- print_pal_error(Status);
- return Status;
- }
- /*
- * Step 4 : Test ranging mode
- */
- /* for(i=0;i<10;i++){
- printf ("Call of VL53L0X_PerformSingleRangingMeasurement\n");
- Status = VL53L0X_PerformSingleRangingMeasurement(pMyDevice,
- &vl53l0x_data);
- print_pal_error(Status);
- print_range_status(&vl53l0x_data);
- VL53L0X_GetLimitCheckCurrent(pMyDevice,
- VL53L0X_CHECKENABLE_RANGE_IGNORE_THRESHOLD, &LimitCheckCurrent);
- printf("RANGE IGNORE THRESHOLD: %f\n\n", (float)LimitCheckCurrent/65536.0);
- if (Status != VL53L0X_ERROR_NONE) break;
- printf("Measured distance: %i\n\n", vl53l0x_data.RangeMilliMeter);
- }
- */
- return Status; //返回0
- }
- VL53L0X_Error vl53l0x_init(void)
- {
- VL53L0X_Error Status = VL53L0X_ERROR_NONE; //初始值赋值为0
- VL53L0X_Dev_t *pMyDevice = &vl53l0x_dev; //得到设备地址
- pMyDevice->I2cDevAddr = 0x52; //iic地址
- pMyDevice->comms_type = 1; //选择IIC还是SPI iic=1;SPI=0
- pMyDevice->comms_speed_khz = 400; //iic速率
-
- VL53L0X_i2c_init(); //IIC配置
- Status = VL53L0X_DataInit(pMyDevice); // Data initialization //VL53L0X_DataInit:一次设备的初始化,初始化成功返回0
- if(Status != VL53L0X_ERROR_NONE){ //判断如果状态不为0 打印错误信息
- print_pal_error(Status);
- return Status; // 返回错误值 可通过此值DEBUG查找错误位置
- }
- Status = VL53L0X_GetDeviceInfo(pMyDevice, &vl53l0x_dev_info); //读取给定设备的设备信息
- if(Status != VL53L0X_ERROR_NONE){
- print_pal_error(Status);
- return Status;
- }
- printf("VL53L0X_GetDeviceInfo:\n");
- printf("Device Name : %s\n", vl53l0x_dev_info.Name); //设备名
- printf("Device Type : %s\n", vl53l0x_dev_info.Type); //产品类型VL53L0X = 1, VL53L1 = 2
- printf("Device ID : %s\n", vl53l0x_dev_info.ProductId); // 设备ID
- printf("ProductRevisionMajor : %d\n", vl53l0x_dev_info.ProductRevisionMajor);
- printf("ProductRevisionMinor : %d\n", vl53l0x_dev_info.ProductRevisionMinor);
- if ((vl53l0x_dev_info.ProductRevisionMajor != 1) && (vl53l0x_dev_info.ProductRevisionMinor != 1)){
- printf("Error expected cut 1.1 but found cut %d.%d\n",
- vl53l0x_dev_info.ProductRevisionMajor, vl53l0x_dev_info.ProductRevisionMinor);
- Status = VL53L0X_ERROR_NOT_SUPPORTED;
- print_pal_error(Status);
- return Status;
- }
- Status = vl53l0x_measure_init(pMyDevice); //测量配置
- vl53l0x_status = Status;
- if(Status != VL53L0X_ERROR_NONE){ //判断如果不为0打印错误信息
- print_pal_error(Status);
- return Status;
- }
- return Status; //返回0
- }
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VL53L0X激光测距传感器.7z
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