range Pi User Manual Copyright reserved by Shenzhen Xunlong Software Co., Ltd
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3) Then click the PWM_TEST button on the main interface of wiringOP to enter the
PWM test interface
4) The base address corresponding to PWM11 is fe6f0030, here pwmchip0 shows
fdd70020.pwm on the right, then you need to click the drop-down option to select other
pwmchips until fe6f0030.pwm is displayed on the right
5) When the drop-down option selects pwmchip3, the corresponding base address of
PWM11 is fe6f0030 on the right