diff --git a/embedded8266/esp82xx b/embedded8266/esp82xx
index 6dbcc51..37dbc4c 160000
--- a/embedded8266/esp82xx
+++ b/embedded8266/esp82xx
@@ -1 +1 @@
-Subproject commit 6dbcc51d030d05360696925a8cb1963ca3f6747e
+Subproject commit 37dbc4c68f0520bb3900cf76be5fcbca8d95dce3
diff --git a/embedded8266/user.cfg b/embedded8266/user.cfg
index 090cc06..630cbcf 100644
--- a/embedded8266/user.cfg
+++ b/embedded8266/user.cfg
@@ -13,6 +13,10 @@ PAGE_OFFSET  = 65536     # 1048576
 SDK_DEFAULT  = $(HOME)/esp8266/esp-open-sdk
 ESP_GCC_VERS = 4.8.5
 
+#Tricky: Espressif started eating up a ton of IRAM in their newer SDKs, so ColorChord must use an older SDK.
+SDK          = $(HOME)/esp8266/esp_iot_sdk_v1.5.2
+FWBURNFLAGS  = -b 1000000
+
 OPTS += -DICACHE_FLASH
 #OPTS += -DVERIFY_FLASH_WRITE
 #OPTS += -DDEBUG
diff --git a/embeddedcommon/DFT32.h b/embeddedcommon/DFT32.h
index bbbc046..ee5b6cd 100644
--- a/embeddedcommon/DFT32.h
+++ b/embeddedcommon/DFT32.h
@@ -4,7 +4,12 @@
 #define _DFT32_H
 
 #include <ccconfig.h>
+
+#ifdef ICACHE_FLASH
+#include <c_types.h> //If on ESP8266
+#else
 #include <stdint.h>
+#endif
 
 //A 32-bit version of the DFT used for ColorChord.
 //This header makes it convenient to use for an embedded system.