Gpio pwm get warn?

VIM3
1

khadas@Khadas:~$ gpio pwm 30 512
warn : (pwmWrite):THis function is not supported by KHADAS Board.
khadas@Khadas:~$ gpio pwm 30 1024
warn : (pwmWrite):THis function is not supported by KHADAS Board.
khadas@Khadas:~$ gpio pwm 30 512
warn : (pwmWrite):THis function is not supported by KHADAS Board.
khadas@Khadas:~$ gpio pwm 30 512
warn : (pwmWrite):THis function is not supported by KHADAS Board.
khadas@Khadas:~$ gpio mode 30 pwm
khadas@Khadas:~$ gpio pwm-ms
warn : (pwmSetMode):THis function is not supported by KHADAS Board.
khadas@Khadas:~$ gpio pwmr 60000
warn : (pwmSetRange):THis function is not supported by KHADAS Board.

sd-card ubuntu VIM3_Ubuntu-xfce-bionic_Linux-4.9_arm64_SD-USB_V20190830

2

Whether vim3 supports pwm function