attach probe of the oscilloscope too the
3.3v & PWM3 like below:
jack
------| |---| |-| |----
|o o 3.3v |eth1| |eth0|
|o o
|o o
|o o PWM3
|o o
type commands below to rt-thread console:
msh /> pwm_enable pwm0 3
msh /> pwm_set pwm0 3 140 90
turn off pwm:
msh /> pwm_disable pwm0 3
Signed-off-by: Du Huanpeng <548708880@qq.com>
Du Huanpeng