Function esp_idf_sys::pcnt_new_channel

pub unsafe extern "C" fn pcnt_new_channel(
    unit: pcnt_unit_handle_t,
    config: *const pcnt_chan_config_t,
    ret_chan: *mut pcnt_channel_handle_t,
) -> esp_err_t

@brief Create PCNT channel for specific unit, each PCNT has several channels associated with it

@note This function should be called when the unit is in init state (i.e. before calling pcnt_unit_enable())

@param[in] unit PCNT unit handle created by pcnt_new_unit() @param[in] config PCNT channel configuration @param[out] ret_chan Returned channel handle @return - ESP_OK: Create PCNT channel successfully - ESP_ERR_INVALID_ARG: Create PCNT channel failed because of invalid argument - ESP_ERR_NO_MEM: Create PCNT channel failed because of insufficient memory - ESP_ERR_NOT_FOUND: Create PCNT channel failed because all PCNT channels are used up and no more free one - ESP_ERR_INVALID_STATE: Create PCNT channel failed because the unit is not in the init state - ESP_FAIL: Create PCNT channel failed because of other error