From c2f34aa823c0c1c1e068b8bf1430ba7c63740e51 Mon Sep 17 00:00:00 2001
From: Brett Rowan <121075405+b-rowan@users.noreply.github.com>
Date: Fri, 27 Sep 2024 22:12:08 -0600
Subject: [PATCH] Add MAC address to API. (#295)

---
 main/http_server/http_server.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/main/http_server/http_server.c b/main/http_server/http_server.c
index 7c589608..f49de69d 100644
--- a/main/http_server/http_server.c
+++ b/main/http_server/http_server.c
@@ -7,6 +7,7 @@
 #include "esp_random.h"
 #include "esp_spiffs.h"
 #include "esp_timer.h"
+#include "esp_wifi.h"
 #include "esp_vfs.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/event_groups.h"
@@ -365,12 +366,18 @@ static esp_err_t GET_system_info(httpd_req_t * req)
         return ESP_FAIL;
     }
 
+
     char * ssid = nvs_config_get_string(NVS_CONFIG_WIFI_SSID, CONFIG_ESP_WIFI_SSID);
     char * hostname = nvs_config_get_string(NVS_CONFIG_HOSTNAME, CONFIG_LWIP_LOCAL_HOSTNAME);
+    uint8_t mac[6];
+    char formattedMac[18];
     char * stratumURL = nvs_config_get_string(NVS_CONFIG_STRATUM_URL, CONFIG_STRATUM_URL);
     char * stratumUser = nvs_config_get_string(NVS_CONFIG_STRATUM_USER, CONFIG_STRATUM_USER);
     char * board_version = nvs_config_get_string(NVS_CONFIG_BOARD_VERSION, "unknown");
 
+    esp_wifi_get_mac(WIFI_IF_STA, mac);
+    snprintf(formattedMac, 18, "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+
         cJSON * root = cJSON_CreateObject();
     cJSON_AddNumberToObject(root, "power", GLOBAL_STATE->POWER_MANAGEMENT_MODULE.power);
     cJSON_AddNumberToObject(root, "voltage", GLOBAL_STATE->POWER_MANAGEMENT_MODULE.voltage);
@@ -386,6 +393,7 @@ static esp_err_t GET_system_info(httpd_req_t * req)
     cJSON_AddNumberToObject(root, "coreVoltageActual", VCORE_get_voltage_mv(GLOBAL_STATE));
     cJSON_AddNumberToObject(root, "frequency", nvs_config_get_u16(NVS_CONFIG_ASIC_FREQ, CONFIG_ASIC_FREQUENCY));
     cJSON_AddStringToObject(root, "ssid", ssid);
+    cJSON_AddStringToObject(root, "macAddr", formattedMac);
     cJSON_AddStringToObject(root, "hostname", hostname);
     cJSON_AddStringToObject(root, "wifiStatus", GLOBAL_STATE->SYSTEM_MODULE.wifi_status);
     cJSON_AddNumberToObject(root, "sharesAccepted", GLOBAL_STATE->SYSTEM_MODULE.shares_accepted);