Function esp_idf_svc::sys::esp_etm_channel_enable

source ยท 
pub unsafe extern "C" fn esp_etm_channel_enable(
    chan: *mut esp_etm_channel_t,
) -> i32
Expand description

@brief Enable ETM channel

@note This function will transit the channel state from init to enable.

@param[in] chan ETM channel handle that created by esp_etm_new_channel @return - ESP_OK: Enable ETM channel successfully - ESP_ERR_INVALID_ARG: Enable ETM channel failed because of invalid argument - ESP_ERR_INVALID_STATE: Enable ETM channel failed because the channel has been enabled already - ESP_FAIL: Enable ETM channel failed because of other reasons