VL6180 datasheet(20/73 Pages) STMICROELECTRONICS

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Functional description

VL6180

20/73

DocID024986 Rev 14

Figure 13. Total range execution time

2.7

Range error codes

Before using a measurement returned with a range API function, the application must first

check that the function call has succeeded (returned 0) and then check the

Range.errorStatus for possible error codes.



Table 8 gives a summary of the error codes. Calling VL6180x_RangeGetStatusErrString()

will also return the error code/description.

Table 7. Typical range convergence time (ms)

Range (mm)

Target reflectance

17%

88%

0.43

0.33

0.18

0.94

0.73

0.28

0.18

1.89

1.40

0.51

0.18

3.07

2.25

0.81

0.18

4.35

3.24

1.18

0.24

5.70

4.22

1.60

0.32

7.07

5.35

2.07

0.49

8.41

6.45

2.58

0.50

9.58

7.56

3.14

0.61

100

10.73

8.65

3.69

0.73

Table 8. Range error codes

Bits [7:4]

Error code

Description

No error

Valid measurement

1-5

System error

System error detected (can only happen on

power on). No measurement possible.

Early convergence estimate

ECE check failed

Max convergence

System did not converge before the specified

max. convergence time limit

Range ignore

Ignore threshold check failed

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