added CHANGE_TO_STA define so that you can disable the automatic mode change via the makefile

Makefile

@@ -61,6 +61,13 @@ SHA     := $(shell if git diff --quiet HEAD; then git rev-parse --short HEAD | c
 	else echo "development"; fi)
 VERSION ?=esp-link $(BRANCH) - $(DATE) - $(SHA)
 
+# --------------- esp-link config options ---------------
+
+# If CHANGE_TO_STA is set to "yes" the esp-link module will switch to station mode
+# once successfully connected to an access point. Else it will stay in AP+STA mode.
+
+CHANGE_TO_STA ?= yes
+
 # --------------- esphttpd config options ---------------
 
 # If GZIP_COMPRESSION is set to "yes" then the static css, js, and html files will be compressed
@@ -118,7 +125,7 @@ CFLAGS		= -Os -ggdb -std=c99 -Werror -Wpointer-arith -Wundef -Wall -Wl,-EL -fno-
 		-D__ets__ -DICACHE_FLASH -D_STDINT_H -Wno-address -DFIRMWARE_SIZE=$(ESP_FLASH_MAX) \
 		-DMCU_RESET_PIN=$(MCU_RESET_PIN) -DMCU_ISP_PIN=$(MCU_ISP_PIN) \
 		-DLED_CONN_PIN=$(LED_CONN_PIN) -DLED_SERIAL_PIN=$(LED_SERIAL_PIN) \
-		"-DVERSION=$(VERSION)"
+		-DVERSION="$(VERSION)"
 
 # linker flags used to generate the main object file
 LDFLAGS		= -nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static -Wl,--gc-sections
@@ -181,6 +188,10 @@ ifeq ("$(USE_HEATSHRINK)","yes")
 CFLAGS		+= -DESPFS_HEATSHRINK
 endif
 
+ifeq ("$(CHANGE_TO_STA)","yes")
+CFLAGS          += -DCHANGE_TO_STA
+endif
+
 vpath %.c $(SRC_DIR)
 
 define compile-objects

html/wifi/wifi.js

@@ -106,8 +106,10 @@ function getStatus() {
         showWifiInfo(data);
         blockScan = 0;
 
-        var txt2 = "esp-link will switch to STA-only mode in a few seconds";
+	if (data.modechange == "yes") {
-        window.setTimeout(function() { showNotification(txt2); }, 4000);
+		var txt2 = "esp-link will switch to STA-only mode in a few seconds";
+		window.setTimeout(function() { showNotification(txt2); }, 4000);
+	}
 
         $("#reconnect").removeAttribute("hidden");
         $("#reconnect").innerHTML =

user/cgiwifi.c

@@ -243,11 +243,13 @@ static void ICACHE_FLASH_ATTR resetTimerCb(void *arg) {
 
 	if (x == STATION_GOT_IP) {
 		if (m != 1) {
+#ifdef CHANGE_TO_STA
 			// We're happily connected, go to STA mode
 			os_printf("Wifi got IP. Going into STA mode..\n");
 			wifi_set_opmode(1);
 			wifi_set_sleep_type(SLEEP_MODE);
 			os_timer_arm(&resetTimer, RESET_TIMEOUT, 0);
+#endif
 			//os_timer_disarm(&deepTimer);
 			//os_timer_setfn(&deepTimer, deepSleepCb, NULL);
 			//os_timer_arm(&deepTimer, 1000, 1);
@@ -485,6 +487,11 @@ int ICACHE_FLASH_ATTR printWifiInfo(char *buff) {
 
 	uint8_t op = wifi_get_opmode() & 0x3;
 	char *mode = wifiMode[op];
+#ifdef CHANGE_TO_STA
+	char *modechange = "yes";
+#else
+	char *modechange = "no";
+#endif
 	char *status = "unknown";
 	int st = wifi_station_get_connect_status();
 	if (st > 0 && st < sizeof(connStatuses)) status = connStatuses[st];
@@ -497,9 +504,9 @@ int ICACHE_FLASH_ATTR printWifiInfo(char *buff) {
 	wifi_get_macaddr(0, mac_addr);
 
 	len = os_sprintf(buff,
-		"\"mode\": \"%s\", \"ssid\": \"%s\", \"status\": \"%s\", \"phy\": \"%s\", "
+		"\"mode\": \"%s\", \"modechange\": \"%s\", \"ssid\": \"%s\", \"status\": \"%s\", \"phy\": \"%s\", "
 		"\"rssi\": \"%ddB\", \"warn\": \"%s\", \"mac\":\"%02x:%02x:%02x:%02x:%02x:%02x\"",
-		mode, (char*)stconf.ssid, status, phy, rssi, warn,
+		mode, modechange, (char*)stconf.ssid, status, phy, rssi, warn,
 		mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]);
 
 	struct ip_info info;