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pvvx 2017-06-21 03:00:20 +03:00
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Example Description
This example describes how to use GPIO read/write mbed api to generate a pulse and to measure the pulse width.
Requirement Components:
a wire
Pin name PC_4 and PC_5 map to GPIOC_4 and GPIOC_5:
- PC_4 as the interrupt GPIO pin with no pull (High-Z).
- PC_5 as output to generate a pulse.
- Use a wire to connect PC_4 and PC_5
In this example, the UART consol will print out the measured width (in us) of the pulse which generated by PC_5.