3.2 System initialization
The following section shows the API functions calls required to perform the system initialization, before starting a
measurement.
3.2.1 Wait for boot
VL53LX_WaitDeviceBooted() function ensures that the device is booted and ready.
It is not mandatory to call this function.
Note: This function blocks the host execution. This function should not block for more than 4 ms, assuming:
• 400 kHz I2C frequency
• 2 ms latency per transaction
3.2.2 Data init
The VL53LX_DataInit() function must be called each time the device exits from the “initial boot” state. It performs
device initialization. After calling the VL53LX_DataInit() function the calibration data have to be loaded using the
function VL53LX_SetCalibrationData().
UM2923
System initialization
UM2923 - Rev 2
page 8/25
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