Function esp_idf_svc::sys::esp_now_set_pmk

source ยท 
pub unsafe extern "C" fn esp_now_set_pmk(pmk: *const u8) -> i32
Expand description

@brief Set the primary master key

@param pmk primary master key

@attention 1. primary master key is used to encrypt local master key

@return - ESP_OK : succeed - ESP_ERR_ESPNOW_NOT_INIT : ESPNOW is not initialized - ESP_ERR_ESPNOW_ARG : invalid argument