Edge Detector

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Edge Detector description

SUB-20 Edge detector module (EDGE) is capable to detect falling, rising or "any change"  edge on the GPIO pins listed below.

GPIO Header Pin

GPIO

Edge Number

1

GPIO8

EDG0

2

GPIO9

EDG1

3

GPIO10

EDG2

4

GPIO11

EDG3

13

GPIO28

EDG4

14

GPIO29

EDG5

15

GPIO30

EDG6

16

GPIO31

EDG7

 

Pulses on EDG7:0 pins wider than the minimum pulse width of 50ns will trigger edge detection. If enabled, the edge detection will trigger even if the corresponding GPIO are configured as outputs.

Functions

sub_edge_config

sub_edge_read