ledc_ll_bind_channel_timer() function
Set timer index of the specified channel
Arguments
hw
Beginning address of the peripheral registers
speed_mode
LEDC speed_mode, high-speed mode or low-speed mode
channel_num
LEDC channel index (0-7), select from ledc_channel_t
timer_sel
LEDC timer index (0-3), select from ledc_timer_t
Return value
None