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Merge branch 'contrib/github_pr_11878' into 'master'

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feat(mcpwm): Allow for pull up/down to be configurable on generators (GitHub PR)

Closes IDFGH-10647 and IDFGH-10646

See merge request espressif/esp-idf!24825
This commit is contained in:
morris
2023-07-19 15:01:27 +08:00
parent 52279c0837 b589355a10
commit b488cb70e7
5 changed files with 12 additions and 4 deletions
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docs/en/api-reference/peripherals/mcpwm.rst
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@@ -114,6 +114,8 @@ You can allocate a MCPWM generator object by calling the :cpp:func:`mcpwm_new_ge
- :cpp:member:`mcpwm_generator_config_t::gen_gpio_num` sets the GPIO number used by the generator.
- :cpp:member:`mcpwm_generator_config_t::invert_pwm` sets whether to invert the PWM signal.
- :cpp:member:`mcpwm_generator_config_t::io_loop_back` sets whether to enable the Loop-back mode. It is for debugging purposes only. It enables both the GPIO's input and output ability through the GPIO matrix peripheral.
- :cpp:member:`mcpwm_generator_config_t::io_od_mode` configures the PWM GPIO as open-drain output.
- :cpp:member:`mcpwm_generator_config_t::pull_up` and :cpp:member:`mcpwm_generator_config_t::pull_down` controls whether to enable the internal pull-up and pull-down resistors accordingly.
The :cpp:func:`mcpwm_new_generator` will return a pointer to the allocated generator object if the allocation succeeds. Otherwise, it will return an error code. Specifically, when there are no more free generators in the MCPWM operator, this function will return the :c:macro:`ESP_ERR_NOT_FOUND` error. [1]_