alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-08 12:10:59 +00:00
Code Issues Packages Projects Releases Wiki Activity

add base MAC address storage choice.

Browse Source 
Base MAC address can be stored in default manufacture-defined or customer
    pre-defined place in EFUSE and other place e.g. flash or EEPROM.
    If choose to use base MAC address which is stored in other place, please
    call esp_base_mac_addr_set_external() before initializing WiFi/BT/Ehternet.
This commit is contained in:
XiaXiaotian
2017-04-19 21:00:00 +08:00
parent 03e2618d35
commit 5553fbd537
3 changed files with 85 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
components/esp32/system_api.c
View File

@@ -36,10 +36,38 @@
static const char* TAG = "system_api";
static uint8_t ext_base_mac_addr[6] = {0};
void system_init()
{
}
esp_err_t esp_base_mac_addr_set_external(uint8_t *mac)
{
if (mac == NULL) {
ESP_LOGE(TAG, "External base MAC address is NULL");
abort();
}
memcpy(ext_base_mac_addr, mac, 6);
return ESP_OK;
}
esp_err_t esp_base_mac_addr_get_external(uint8_t *mac)
{
uint8_t null_mac[6] = {0};
if (memcmp(ext_base_mac_addr, null_mac, 6) == 0) {
ESP_LOGE(TAG, "External MAC address is not set");
abort();
}
memcpy(mac, ext_base_mac_addr, 6);
return ESP_OK;
}
esp_err_t esp_efuse_read_mac(uint8_t* mac)
{
uint32_t mac_low;
@@ -47,7 +75,7 @@ esp_err_t esp_efuse_read_mac(uint8_t* mac)
uint8_t efuse_crc;
uint8_t calc_crc;
#ifndef CONFIG_CUSTOMER_MAC_ADDRESS
#ifdef CONFIG_BASE_MAC_STORED_DEFAULT_EFUSE
mac_low = REG_READ(EFUSE_BLK0_RDATA1_REG);
mac_high = REG_READ(EFUSE_BLK0_RDATA2_REG);
@@ -78,7 +106,7 @@ esp_err_t esp_efuse_read_mac(uint8_t* mac)
mac[5] = mac_low >> 16;
efuse_crc = mac_high;
#endif //CONFIG_CUSTOMER_DEFINED_MAC_ADDR
#endif //CONFIG_BASE_MAC_STORED_DEFAULT_EFUSE
calc_crc = esp_crc8(mac, 6);
@@ -139,7 +167,13 @@ esp_err_t esp_read_mac(uint8_t* mac, esp_mac_type_t type)
|| NUM_MAC_ADDRESS_FROM_EFUSE == TWO_MAC_ADDRESS_FROM_EFUSE, \
"incorrect NUM_MAC_ADDRESS_FROM_EFUSE value");
#if defined(CONFIG_BASE_MAC_STORED_DEFAULT_EFUSE) || defined(CONFIG_BASE_MAC_STORED_CUSTOMER_DEFINED_EFUSE)
esp_efuse_read_mac(efuse_mac);
#endif
#if defined(CONFIG_BASE_MAC_STORED_OTHER_CUSTOMER_DEFINED_PLACE)
esp_base_mac_addr_get_external(efuse_mac);
#endif
switch (type) {
case ESP_MAC_WIFI_STA: