Add BLE GAP/GATT support to the dev-esp32 branch

components/base_nodemcu/user_main.c

@@ -160,7 +160,13 @@ void __attribute__((noreturn)) app_main(void)
 
   nodemcu_init ();
 
-  nvs_flash_init ();
+  // This is the standard flash init sequence
+  int rc = nvs_flash_init();
+  if (rc == ESP_ERR_NVS_NO_FREE_PAGES || rc == ESP_ERR_NVS_NEW_VERSION_FOUND) {
+    nvs_flash_erase();
+    nvs_flash_init();
+  }
+
   esp_netif_init ();
 
   start_lua ();

components/lua/lua-5.3/luaconf.h

@@ -74,6 +74,13 @@
 # define LUA_FLOAT_TYPE LUA_FLOAT_FLOAT
 #endif
 
+#ifdef LUA_USE_ESP
+#define L_RANDMAX 2147483647
+extern uint32_t esp_random(void);
+#define l_rand()	  (esp_random() & L_RANDMAX)
+#define l_srand(x)  
+#endif
+
 /*
 ** Configuration for Paths.
 **

components/modules/CMakeLists.txt

@@ -2,6 +2,7 @@
 set(module_srcs
   "adc.c"
   "bit.c"
+  "ble.c"
   "bthci.c"
   "common.c"
   "crypto.c"

components/modules/Kconfig

@@ -14,8 +14,16 @@ menu "NodeMCU modules"
             Includes the bit module. This module provide bit manipulation
             functions on Lua numbers.
 
+    config NODEMCU_CMODULE_BLE
+        bool "Bluetooth GAP/GATT interface module"
+        default "n"
+	select NODEMCU_CMODULE_STRUCT
+        select BT_ENABLED
+        help
+            Includes the simple Bluetooth GAP/GATT module. You must enable the Nimble BLE module as well.
+
     config NODEMCU_CMODULE_BTHCI
-        bool "BlueTooth HCI interface module"
+        bool "Bluetooth HCI interface module"
         default "n"
         select BT_ENABLED
         help