ffcvv
Dependencies: vl53l0x_api libxDot-mbed5
main.cpp
- Committer:
- mohamedachour
- Date:
- 2019-04-23
- Revision:
- 3:83ec4984a7af
- Parent:
- 2:8ac50bd2c7a1
File content as of revision 3:83ec4984a7af:
#include "mbed.h" #include "vl53l0x_api.h" #include "vl53l0x_platform.h" #include "vl53l0x_i2c_platform.h" #define USE_I2C_2V8 Serial pc(USBTX, USBRX); DigitalOut led(LED1); VL53L0X_Error WaitMeasurementDataReady(VL53L0X_DEV Dev) { VL53L0X_Error Status = VL53L0X_ERROR_NONE; uint8_t NewDatReady=0; uint32_t LoopNb; if (Status == VL53L0X_ERROR_NONE) { LoopNb = 0; do { Status = VL53L0X_GetMeasurementDataReady(Dev, &NewDatReady); if ((NewDatReady == 0x01) || Status != VL53L0X_ERROR_NONE) { break; } LoopNb = LoopNb + 1; VL53L0X_PollingDelay(Dev); } while (LoopNb < VL53L0X_DEFAULT_MAX_LOOP); if (LoopNb >= VL53L0X_DEFAULT_MAX_LOOP) { Status = VL53L0X_ERROR_TIME_OUT; } } return Status; } VL53L0X_Error WaitStopCompleted(VL53L0X_DEV Dev) { VL53L0X_Error Status = VL53L0X_ERROR_NONE; uint32_t StopCompleted=0; uint32_t LoopNb; if (Status == VL53L0X_ERROR_NONE) { LoopNb = 0; do { Status = VL53L0X_GetStopCompletedStatus(Dev, &StopCompleted); if ((StopCompleted == 0x00) || Status != VL53L0X_ERROR_NONE) { break; } LoopNb = LoopNb + 1; VL53L0X_PollingDelay(Dev); } while (LoopNb < VL53L0X_DEFAULT_MAX_LOOP); if (LoopNb >= VL53L0X_DEFAULT_MAX_LOOP) { Status = VL53L0X_ERROR_TIME_OUT; } } return Status; } int main() { int x=1, measure=0; int ave=0, sum=0; VL53L0X_Error Status = VL53L0X_ERROR_NONE; VL53L0X_Dev_t MyDevice; VL53L0X_Dev_t *pMyDevice = &MyDevice; VL53L0X_RangingMeasurementData_t RangingMeasurementData; VL53L0X_RangingMeasurementData_t *pRangingMeasurementData = &RangingMeasurementData; VL53L0X_Version_t Version; // Initialize Comms pMyDevice->I2cDevAddr = 0x52; pMyDevice->comms_type = 1; pMyDevice->comms_speed_khz = 400; VL53L0X_ERROR_CONTROL_INTERFACE; VL53L0X_RdWord(&MyDevice, VL53L0X_REG_OSC_CALIBRATE_VAL,0); VL53L0X_DataInit(&MyDevice); // Data initialization Status = VL53L0X_ERROR_NONE; uint32_t refSpadCount; uint8_t isApertureSpads; uint8_t VhvSettings; uint8_t PhaseCal; VL53L0X_StaticInit(pMyDevice); // Device Initialization VL53L0X_PerformRefSpadManagement(pMyDevice, &refSpadCount, &isApertureSpads); // Device Initialization VL53L0X_PerformRefCalibration(pMyDevice, &VhvSettings, &PhaseCal); // Device Initialization VL53L0X_SetDeviceMode(pMyDevice, VL53L0X_DEVICEMODE_CONTINUOUS_RANGING); // Setup in single ranging mode VL53L0X_SetLimitCheckValue(pMyDevice, VL53L0X_CHECKENABLE_SIGNAL_RATE_FINAL_RANGE, (FixPoint1616_t)(0.25*65536)); //High Accuracy mode, see API PDF VL53L0X_SetLimitCheckValue(pMyDevice, VL53L0X_CHECKENABLE_SIGMA_FINAL_RANGE, (FixPoint1616_t)(18*65536)); //High Accuracy mode, see API PDF VL53L0X_SetMeasurementTimingBudgetMicroSeconds(pMyDevice, 200000); //High Accuracy mode, see API PDF VL53L0X_StartMeasurement(pMyDevice); while (1){ while(x<=50){ WaitMeasurementDataReady(pMyDevice); VL53L0X_GetRangingMeasurementData(pMyDevice, pRangingMeasurementData); measure=pRangingMeasurementData->RangeMilliMeter; //printf("In loop measurement %d\n", mea); sum=sum+measure; led=!led; // Clear the interrupt VL53L0X_ClearInterruptMask(pMyDevice, VL53L0X_REG_SYSTEM_INTERRUPT_GPIO_NEW_SAMPLE_READY); VL53L0X_PollingDelay(pMyDevice); x++; } ave=sum/x; pc.printf("Average is %d\n", ave); x=1; sum=0; wait(20); } VL53L0X_StopMeasurement(pMyDevice); WaitStopCompleted(pMyDevice); VL53L0X_ClearInterruptMask(pMyDevice,VL53L0X_REG_SYSTEM_INTERRUPT_GPIO_NEW_SAMPLE_READY); }