Function esp_idf_hal::sys::esp_etm_new_channel

pub unsafe extern "C" fn esp_etm_new_channel(
    config: *const esp_etm_channel_config_t,
    ret_chan: *mut *mut esp_etm_channel_t,
) -> i32

@brief Allocate an ETM channel

@note The channel can later be freed by esp_etm_del_channel

@param[in] config ETM channel configuration @param[out] ret_chan Returned ETM channel handle @return - ESP_OK: Allocate ETM channel successfully - ESP_ERR_INVALID_ARG: Allocate ETM channel failed because of invalid argument - ESP_ERR_NO_MEM: Allocate ETM channel failed because of out of memory - ESP_ERR_NOT_FOUND: Allocate ETM channel failed because all channels are used up and no more free one - ESP_FAIL: Allocate ETM channel failed because of other reasons