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ledc: Channel configuration requires the ledc core clock on to be effective. Therefore, a clock source is selected for the core clock since the peripheral initialization. Additionally, correct the usage of channel para_up and duty_start bits.

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Song Ruo Jing
2022-12-15 16:32:12 +08:00
parent a92dce463f
commit 662df0da3b
5 changed files with 18 additions and 2 deletions
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docs/en/api-reference/peripherals/ledc.rst
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@@ -42,6 +42,10 @@ As an optional step, it is also possible to set up an interrupt on fade end.
Key Settings of LED PWM Controller's API
.. note::
For an initial setup, it is recommended to configure for the timers first (by calling :cpp:func:`ledc_timer_config`), and then for the channels (by calling :cpp:func:`ledc_channel_config`). This ensures the PWM frequency is at the desired value since the appearance of the PWM signal from the IO pad.
.. _ledc-api-configure-timer: