Gpio Read
Overview
After starting this application, perform the following actions:
Initialize gpio
Configure gpio and add gpio interrupts
Use interrupt triggering
Environmental requirements
Please note that gpio should be configured using devcie tree as a device, but due to the characteristics of iomux, IO configuration for pins is also provided
Building and flashing
Example Location： examples/peripheral/gpio
compile, burn, and more, see: get started
Running result
Successfully running will output the following logs
D/dt [0.090] add device gpio
I/gpio [0.094] WM_GPIO_DEFINE3 data is set high
I/gpio [1.098] WM_GPIO_DEFINE3 data is set low
I/gpio [2.102] gpio init ok
I/gpio [19.178] GPIO[4] intr, val: 1
I/gpio [21.214] GPIO[4] intr, val: 0