Update to SDK 0.9.6_b1

The open source LWIP is broken, use espressif's liblwip.a.
Uses system_get_vdd33 instead of readvdd33.
The espressif's sdk0.9.6 beta1 (2015.02.15) release note
1、Optimize smartconfig to version v0.8；
2、Optimize AT to version 0.22.b1；
1>、Fixed bugs；
2>、Optimize the speed of transparent transmission；
3、Optimize boot to version 1.3(b3)；
1>、Fix compatibility problem of dual flash ；
4、Solve problem of the large current in deep sleep；
5、Fixed problem “check mem fail”；
6、Fixed problem of UDP socket may stop listening broadcast packet after a long time running under some special router；
7、Fixed bug related to wifi_station_scan;
8、Other optimize to make the software more reliable；

app/Makefile

@@ -24,7 +24,6 @@ SPECIAL_MKTARGETS=$(APP_MKTARGETS)
 SUBDIRS=    \
 	user	\
 	driver	\
-	lwip	\
 	json	\
 	upgrade	\
 	platform	\
@@ -70,7 +69,6 @@ endif
 COMPONENTS_eagle.app.v6 = \
 	user/libuser.a	\
 	driver/libdriver.a	\
-	lwip/liblwip.a	\
 	json/libjson.a	\
 	upgrade/libupgrade.a	\
 	platform/libplatform.a	\
@@ -101,6 +99,7 @@ LINKFLAGS_eagle.app.v6 = \
 	-ljson	\
 	-lsmartconfig	\
 	-lssl	\
+	-llwip	\
 	$(DEP_LIBS_eagle.app.v6)					\
 	-Wl,--end-group
 

app/include/user_config.h

@@ -3,11 +3,11 @@
 
 #define NODE_VERSION_MAJOR		0U
 #define NODE_VERSION_MINOR		9U
-#define NODE_VERSION_REVISION	5U
+#define NODE_VERSION_REVISION	6U
 #define NODE_VERSION_INTERNAL   0U
 
-#define NODE_VERSION	"NodeMCU 0.9.5"
-#define BUILD_DATE	    "build 20150214"
+#define NODE_VERSION	"NodeMCU 0.9.6"
+#define BUILD_DATE	    "build 20150216"
 
 // #define DEVKIT_VERSION_0_9 1 	// define this only if you use NodeMCU devkit v0.9
 

app/modules/node.c

@@ -95,7 +95,7 @@ static int node_chipid( lua_State* L )
 // Lua: readvdd33()
 static int node_readvdd33( lua_State* L )
 {
-  uint32_t vdd33 = readvdd33();
+  uint32_t vdd33 = system_get_vdd33();
   lua_pushinteger(L, vdd33);
   return 1;
 }

include/espconn.h

@@ -53,6 +53,7 @@ typedef struct _esp_tcp {
     espconn_connect_callback connect_callback;
     espconn_reconnect_callback reconnect_callback;
     espconn_connect_callback disconnect_callback;
+	espconn_connect_callback write_finish_fn;
 } esp_tcp;
 
 typedef struct _esp_udp {
@@ -90,8 +91,10 @@ struct espconn {
 };
 
 enum espconn_option{
-	ESPCONN_REUSEADDR = 1,
-	ESPCONN_NODELAY,
+	ESPCONN_START = 0x00,
+	ESPCONN_REUSEADDR = 0x01,
+	ESPCONN_NODELAY = 0x02,
+	ESPCONN_COPY = 0x04,
 	ESPCONN_END
 };
 
@@ -209,6 +212,18 @@ sint8 espconn_get_connection_info(struct espconn *pespconn, remot_info **pcon_in
 
 sint8 espconn_regist_sentcb(struct espconn *espconn, espconn_sent_callback sent_cb);
 
+/******************************************************************************
+ * FunctionName : espconn_regist_sentcb
+ * Description  : Used to specify the function that should be called when data
+ *                has been successfully delivered to the remote host.
+ * Parameters   : espconn -- espconn to set the sent callback
+ *                sent_cb -- sent callback function to call for this espconn
+ *                when data is successfully sent
+ * Returns      : none
+*******************************************************************************/
+
+sint8 espconn_regist_write_finish(struct espconn *espconn, espconn_connect_callback write_finish_fn);
+
 /******************************************************************************
  * FunctionName : espconn_sent
  * Description  : sent data for client or server

include/user_interface.h

@@ -89,6 +89,7 @@ bool system_rtc_mem_write(uint8 des_addr, const void *src_addr, uint16 save_size
 void system_uart_swap(void);
 
 uint16 system_adc_read(void);
+uint16 system_get_vdd33(void);
 
 const char *system_get_sdk_version(void);
 

ld/eagle.app.v6.ld

@@ -71,7 +71,6 @@ SECTIONS
     _irom0_text_start = ABSOLUTE(.);
     *(.irom0.literal .irom.literal .irom.text.literal .irom0.text .irom.text)
     *(.literal.* .text.*)
-    *(.rodata2.text)
     _irom0_text_end = ABSOLUTE(.);
     _flash_used_end = ABSOLUTE(.);
   } >irom0_0_seg :irom0_0_phdr