diff --git a/components/base_nodemcu/include/nodemcu_esp_event.h b/components/base_nodemcu/include/nodemcu_esp_event.h
index 3de89e869..716e38885 100644
--- a/components/base_nodemcu/include/nodemcu_esp_event.h
+++ b/components/base_nodemcu/include/nodemcu_esp_event.h
@@ -61,9 +61,9 @@ typedef void (*nodemcu_esp_event_cb) (esp_event_base_t event_base, int32_t event
 
 // Internal definitions
 typedef struct {
-  esp_event_base_t    *event_base_ptr;
-  int32_t              event_id;
-  nodemcu_esp_event_cb callback;
+  const esp_event_base_t *event_base_ptr;
+  int32_t                 event_id;
+  nodemcu_esp_event_cb    callback;
 } nodemcu_esp_event_reg_t;
 
 extern nodemcu_esp_event_reg_t _esp_event_cb_table_start;
diff --git a/components/modules/dac.c b/components/modules/dac.c
index 769c99754..3e8fdf80a 100644
--- a/components/modules/dac.c
+++ b/components/modules/dac.c
@@ -11,7 +11,7 @@
 
 #define GET_CHN(idx) \
   int chn = luaL_checkint( L, idx ); \
-  luaL_argcheck( L, chn >= DAC_CHANNEL_1 && chn <= DAC_CHANNEL_MAX, idx, "invalid channel" );
+  luaL_argcheck( L, chn >= DAC_CHAN_0 && chn <= DAC_CHAN_1, idx, "invalid channel" );
 
 // Lua: enable( dac_channel )
 static int ldac_enable( lua_State *L )
@@ -56,8 +56,8 @@ LROT_BEGIN(dac, NULL, 0)
   LROT_FUNCENTRY( enable,    ldac_enable )
   LROT_FUNCENTRY( disable,   ldac_disable )
   LROT_FUNCENTRY( write,     ldac_write )
-  LROT_NUMENTRY ( CHANNEL_1, DAC_CHANNEL_1 )
-  LROT_NUMENTRY ( CHANNEL_2, DAC_CHANNEL_2 )
+  LROT_NUMENTRY ( CHANNEL_1, DAC_CHAN_0 )
+  LROT_NUMENTRY ( CHANNEL_2, DAC_CHAN_1 )
 LROT_END(dac, NULL, 0)
 
 NODEMCU_MODULE(DAC, "dac", dac, NULL);
diff --git a/components/modules/eth.c b/components/modules/eth.c
index 7aaed53f9..253935b1b 100644
--- a/components/modules/eth.c
+++ b/components/modules/eth.c
@@ -48,7 +48,7 @@ typedef void (*fill_cb_arg_fn) (lua_State *L, const void *data);
 typedef struct
 {
   const char *name;
-  esp_event_base_t *event_base_ptr;
+  const esp_event_base_t *event_base_ptr;
   int32_t event_id;
   fill_cb_arg_fn fill_cb_arg;
 } event_desc_t;
diff --git a/components/modules/mqtt.c b/components/modules/mqtt.c
index 2a456ce6e..ceb15896c 100644
--- a/components/modules/mqtt.c
+++ b/components/modules/mqtt.c
@@ -562,7 +562,8 @@ static int mqtt_subscribe(lua_State* L) {
 
     ESP_LOGD(TAG, "MQTT subscribe client %p, topic %s", client, topic);
 
-    esp_err_t err = esp_mqtt_client_subscribe(client, topic, qos);
+    // We have to cast away the const due to _Generic expression :(
+    esp_err_t err = esp_mqtt_client_subscribe(client, (char *)topic, qos);
     lua_pushboolean(L, err == ESP_OK);
 
     return 1;  // one value returned, true on success, false on error.
diff --git a/components/modules/node.c b/components/modules/node.c
index b16c67f04..b02adcbb4 100644
--- a/components/modules/node.c
+++ b/components/modules/node.c
@@ -362,7 +362,12 @@ static int node_dsleep (lua_State *L)
     int level = opt_checkint_range(L, "level", 1, 0, 1);
     if (pin_mask) {
       esp_sleep_ext1_wakeup_mode_t mode = (level == 1) ?
-        ESP_EXT1_WAKEUP_ANY_HIGH : ESP_EXT1_WAKEUP_ALL_LOW;
+        ESP_EXT1_WAKEUP_ANY_HIGH :
+#ifdef CONFIG_IDF_TARGET_ESP32
+        ESP_EXT1_WAKEUP_ALL_LOW;
+#else
+        ESP_EXT1_WAKEUP_ANY_LOW;
+#endif
       int err = esp_sleep_enable_ext1_wakeup(pin_mask, mode);
       if (err) {
         return luaL_error(L, "Error %d returned from esp_sleep_enable_ext1_wakeup", err);
diff --git a/components/modules/wifi_common.h b/components/modules/wifi_common.h
index 7e8837745..e220251de 100644
--- a/components/modules/wifi_common.h
+++ b/components/modules/wifi_common.h
@@ -56,7 +56,7 @@ typedef void (*fill_cb_arg_fn) (lua_State *L, const void *data);
 typedef struct
 {
   const char *name;
-  esp_event_base_t *event_base_ptr;
+  const esp_event_base_t *event_base_ptr;
   int32_t  event_id;
   fill_cb_arg_fn fill_cb_arg;
 } event_desc_t;
diff --git a/sdk/esp32-esp-idf b/sdk/esp32-esp-idf
index 5181de8ac..482a8fb2d 160000
--- a/sdk/esp32-esp-idf
+++ b/sdk/esp32-esp-idf
@@ -1 +1 @@
-Subproject commit 5181de8ac5ec5e18f04f634da8ce173b7ef5ab73
+Subproject commit 482a8fb2d78e3b58eb21b26da8a5bedf90623213