alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-11-04 06:11:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

esp32s2: mac addr allocation

Browse Source
This commit is contained in:
morris
2020-01-10 17:46:46 +08:00
parent 1512219905
commit e1f9b283bc
5 changed files with 99 additions and 53 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
components/esp_common/src/mac_addr.c
View File

@@ -1,3 +1,16 @@
// Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <string.h>
#include "sdkconfig.h"
#include "esp_system.h"
@@ -37,7 +50,7 @@ esp_err_t esp_base_mac_addr_get(uint8_t *mac)
uint8_t null_mac[6] = {0};
if (memcmp(base_mac_addr, null_mac, 6) == 0) {
ESP_LOGI(TAG, "Base MAC address is not set, read default base MAC address from BLK0 of EFUSE");
ESP_LOGI(TAG, "Base MAC address is not set");
return ESP_ERR_INVALID_MAC;
}
@@ -137,12 +150,11 @@ esp_err_t esp_read_mac(uint8_t* mac, esp_mac_type_t type)
return ESP_ERR_INVALID_ARG;
}
_Static_assert(UNIVERSAL_MAC_ADDR_NUM == FOUR_UNIVERSAL_MAC_ADDR \
|| UNIVERSAL_MAC_ADDR_NUM == TWO_UNIVERSAL_MAC_ADDR, \
"incorrect NUM_MAC_ADDRESS_FROM_EFUSE value");
// if base mac address is not set, read one from EFUSE and then write back
if (esp_base_mac_addr_get(efuse_mac) != ESP_OK) {
ESP_LOGI(TAG, "read default base MAC address from EFUSE");
esp_efuse_mac_get_default(efuse_mac);
esp_base_mac_addr_set(efuse_mac);
}
switch (type) {
@@ -150,39 +162,35 @@ esp_err_t esp_read_mac(uint8_t* mac, esp_mac_type_t type)
memcpy(mac, efuse_mac, 6);
break;
case ESP_MAC_WIFI_SOFTAP:
if (UNIVERSAL_MAC_ADDR_NUM == FOUR_UNIVERSAL_MAC_ADDR) {
memcpy(mac, efuse_mac, 6);
mac[5] += 1;
}
else if (UNIVERSAL_MAC_ADDR_NUM == TWO_UNIVERSAL_MAC_ADDR) {
esp_derive_local_mac(mac, efuse_mac);
}
#if CONFIG_ESP_MAC_ADDR_UNIVERSE_WIFI_AP
memcpy(mac, efuse_mac, 6);
mac[5] += 1;
#else
esp_derive_local_mac(mac, efuse_mac);
#endif
break;
case ESP_MAC_BT:
memcpy(mac, efuse_mac, 6);
if (UNIVERSAL_MAC_ADDR_NUM == FOUR_UNIVERSAL_MAC_ADDR) {
mac[5] += 2;
}
else if (UNIVERSAL_MAC_ADDR_NUM == TWO_UNIVERSAL_MAC_ADDR) {
mac[5] += 1;
}
#if CONFIG_ESP_MAC_ADDR_UNIVERSE_BT
mac[5] += 2;
#else
mac[5] += 1;
#endif
break;
case ESP_MAC_ETH:
if (UNIVERSAL_MAC_ADDR_NUM == FOUR_UNIVERSAL_MAC_ADDR) {
memcpy(mac, efuse_mac, 6);
mac[5] += 3;
}
else if (UNIVERSAL_MAC_ADDR_NUM == TWO_UNIVERSAL_MAC_ADDR) {
efuse_mac[5] += 1;
esp_derive_local_mac(mac, efuse_mac);
}
#if CONFIG_ESP_MAC_ADDR_UNIVERSE_ETH
memcpy(mac, efuse_mac, 6);
mac[5] += 3;
#else
efuse_mac[5] += 1;
esp_derive_local_mac(mac, efuse_mac);
#endif
break;
default:
ESP_LOGW(TAG, "incorrect mac type");
ESP_LOGE(TAG, "unsupported mac type");
break;
}
return ESP_OK;
}