diff --git a/.travis.yml b/.travis.yml
index b129fc7e..7cee0156 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,52 +1,61 @@
 language: c
 
-cache: apt
-
-sudo: false
-dist: trusty
-
-os:
-  - linux
-  - osx
-
-compiler:
-  - gcc
-  - clang
-
 matrix:
-  exclude:
-    - os: linux
-    - os: osx
   include:
     - os: linux
       compiler: gcc
+      cache: apt
+      dist: xenial
+
     - os: osx
-      osx_image: xcode7.3
       compiler: clang
 
+env:
+  global:
+    - SHORT_COMMIT_HASH=`git rev-parse --short HEAD`
+    - VERSION_STRING=nightly-$SHORT_COMMIT_HASH
+    - BUILD_NAME="HackRF-`date +%Y-%m-%d`-$SHORT_COMMIT_HASH"
+    - ARTEFACT_BASE=$TRAVIS_BUILD_DIR/artefacts/
+    - ARTEFACT_PATH=$ARTEFACT_BASE/$BUILD_NAME
+
+addons:
+  apt:
+    packages:
+      - libusb-1.0-0-dev
+      - libfftw3-dev
+      - dfu-util
+      - gcc-arm-none-eabi
+      - libnewlib-arm-none-eabi
+      - libstdc++-arm-none-eabi-newlib
+      - python-yaml
+
+  homebrew:
+    taps: PX4/homebrew-px4
+    packages:
+       - fftw
+       - gcc-arm-none-eabi
+       - dfu-util
+
+before_install:
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then pip install PyYAML; fi
+
 before_script:
   - export CFLAGS="-Wall -Wextra -Werror"
 
-before_install:
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update; fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew tap PX4/homebrew-px4; fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install libusb fftw gcc-arm-none-eabi dfu-util; fi
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then wget -O gcc-arm-none-eabi.tar.bz2 https://developer.arm.com/-/media/Files/downloads/gnu-rm/6-2017q2/gcc-arm-none-eabi-6-2017-q2-update-linux.tar.bz2; fi
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then tar xf gcc-arm-none-eabi.tar.bz2; fi
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then export PATH=$PATH:$PWD/gcc-arm-none-eabi-6-2017-q2-update/bin; fi
-  # For virtualenv(?) reasons we can't apt-get install python-yaml
-  - pip install PyYAML
-
 script:
+  # Host code
   - mkdir host/build
   - cd host/build
   - cmake ..
   - make
-  - cd ../..
-  - mkdir firmware/build-hackrf-one
-  - mkdir firmware/build-jawbreaker
-  - mkdir firmware/build-rad1o
-  - cd firmware/libopencm3
+  # Firmware
+  # Set version string
+  - cd ../../firmware
+  - sed -e "s/\#set(VERSION.*/set(VERSION \"$VERSION_STRING\")/" -i".bak" hackrf-common.cmake
+  - mkdir build-hackrf-one
+  - mkdir build-jawbreaker
+  - mkdir build-rad1o
+  - cd libopencm3
   - make
   - cd ../build-hackrf-one
   - cmake ..
@@ -58,9 +67,30 @@ script:
   - cmake -DBOARD=RAD1O ..
   - make
 
-addons:
-  apt:
-    packages:
-      - libusb-1.0-0-dev
-      - libfftw3-dev
-      - dfu-util
+after_success:
+  # Construct archive for deploying to ubertooth-nightlies
+  - mkdir -p $ARTEFACT_PATH/firmware-bin/
+  # Export HackRF git repo
+  - cd $TRAVIS_BUILD_DIR/
+  - git archive --format=tar HEAD | (cd $ARTEFACT_PATH && tar xf -)
+  # Set version string
+  - sed -e "s/\#set(RELEASE.*/set(RELEASE \"$VERSION_STRING\")/" -i".bak" $ARTEFACT_PATH/host/cmake/set_release.cmake
+  # Copy firmware to firmware-bin directory
+  - cd $TRAVIS_BUILD_DIR/firmware/
+  - cp cpld/sgpio_if/default.xsvf $ARTEFACT_PATH/firmware-bin/hackrf_cpld_default.xsvf
+  - cp build-hackrf-one/hackrf_usb/hackrf_usb.bin $ARTEFACT_PATH/firmware-bin/hackrf_one_usb.bin
+  - cp build-hackrf-one/hackrf_usb/hackrf_usb.dfu $ARTEFACT_PATH/firmware-bin/hackrf_one_usb.dfu
+  - cp build-jawbreaker/hackrf_usb/hackrf_usb.bin $ARTEFACT_PATH/firmware-bin/hackrf_jawbreaker_usb.bin
+  - cp build-jawbreaker/hackrf_usb/hackrf_usb.dfu $ARTEFACT_PATH/firmware-bin/hackrf_jawbreaker_usb.dfu
+  - cp build-rad1o/hackrf_usb/hackrf_usb.bin $ARTEFACT_PATH/firmware-bin/rad1o_usb.bin
+  - cp build-rad1o/hackrf_usb/hackrf_usb.dfu $ARTEFACT_PATH/firmware-bin/rad1o_usb.dfu
+  # Build the archive
+  - cd $ARTEFACT_BASE
+  - tar -cJvf $ARTEFACT_BASE/$BUILD_NAME.tar.xz $BUILD_NAME
+
+deploy:
+  provider: script
+  skip-cleanup: true
+  script: bash $TRAVIS_BUILD_DIR/tools/deploy-nightly.sh
+  on:
+    branch: master
diff --git a/appveyor.yml b/appveyor.yml
index 14cb55e3..d8d99e9e 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-os: Visual Studio 2015
+os: Visual Studio 2017
 clone_depth: 1
 
 configuration:
@@ -7,18 +7,25 @@ configuration:
 init:
   - C:\"Program Files (x86)"\"Microsoft Visual Studio 14.0"\VC\vcvarsall.bat %PLATFORM%
 install:
+  # Dependencies for libHackRF
   - appveyor DownloadFile "https://github.com/libusb/libusb/releases/download/v1.0.22/libusb-1.0.22.7z" -FileName "C:\libusb.7z"
   - 7z x -y "C:\libusb.7z" -o"C:\libusb"
   - appveyor DownloadFile "http://mirrors.kernel.org/sourceware/pthreads-win32/pthreads-w32-2-9-1-release.zip" -FileName "C:\pthreads-w32-release.zip"
   - 7z x -y "C:\pthreads-w32-release.zip" -o"C:\pthreads"
   - appveyor DownloadFile "http://ftp.gnome.org/pub/gnome/binaries/win32/dependencies/pkg-config_0.26-1_win32.zip" -FileName "C:\pkg-config_win32.zip"
   - 7z x -y "C:\pkg-config_win32.zip" -o"C:\pkg-config"
+  # FFTW for hackrf_sweep
   - curl -fsS -o "C:\fftw-3.3.5.zip" "ftp://ftp.fftw.org/pub/fftw/fftw-3.3.5-dll64.zip"
   - 7z x -y "C:\fftw-3.3.5.zip" -o"C:\fftw"
   - cd c:\fftw
   - ps: lib /machine:x64 /def:libfftw3f-3.def
+  # ARM GCC for firmware builds
+  # - appveyor DownloadFile "https://developer.arm.com/-/media/Files/downloads/gnu-rm/6-2017q2/gcc-arm-none-eabi-6-2017-q2-update-win32.zip" -FileName "C:\gcc-arm-none-eabi-win32.zip"
+  # - 7z x -y "C:\gcc-arm-none-eabi-win32.zip" -o"C:\gcc-arm-none-eabi"
+  # - set PATH=%PATH%;c:\gcc-arm-none-eabi\bin
 
 build_script:
+  # Host library and tools
   - mkdir c:\projects\hackrf\host\build
   - cd c:\projects\hackrf\host\build
   - cmake -G "Visual Studio 14 2015 Win64" \
@@ -31,3 +38,15 @@ build_script:
     -DFFTW_LIBRARIES=C:\fftw\libfftw3f-3.lib \
     ..
   - msbuild HackRF.sln /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll"
+  # Firmware
+  # - cd c:\projects\hackrf\
+  # - git submodule init
+  # - git submodule update
+  # - '%CYG_BASH% -lc "cd $APPVEYOR_BUILD_FOLDER && firmware/appveyor.sh"'
+
+after_build:
+  - 7z a %APPVEYOR_BUILD_FOLDER%\HackRF-Windows-%APPVEYOR_REPO_COMMIT%.zip %APPVEYOR_BUILD_FOLDER%\host\build\libhackrf\src\Release\* %APPVEYOR_BUILD_FOLDER%\host\build\hackrf-tools\src\Release\* 
+
+artifacts:
+  - path: HackRF-Windows-%APPVEYOR_REPO_COMMIT%.zip
+    name: HackRF-Windows-%APPVEYOR_REPO_COMMIT%
diff --git a/firmware/CMakeLists.txt b/firmware/CMakeLists.txt
index 90fbda84..c458b7f1 100644
--- a/firmware/CMakeLists.txt
+++ b/firmware/CMakeLists.txt
@@ -20,7 +20,7 @@
 
 # Top directory CMake project for HackRF firmware
 
-cmake_minimum_required(VERSION 2.8.9)
+cmake_minimum_required(VERSION 3.1.3)
 set(CMAKE_TOOLCHAIN_FILE toolchain-arm-cortex-m.cmake)
 
 project (hackrf_firmware_all C)
diff --git a/firmware/appveyor.sh b/firmware/appveyor.sh
new file mode 100644
index 00000000..99901c9e
--- /dev/null
+++ b/firmware/appveyor.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+/usr/bin/env python -m ensurepip
+/usr/bin/env python -m pip install pyyaml
+
+cd firmware/libopencm3
+export SRCLIBDIR='c:\projects\hackrf\firmware\libopencm3\lib\'
+make lib/lpc43xx/m0
+make lib/lpc43xx/m4
+cd ..
+mkdir build-hackrf-one
+cd build-hackrf-one
+cmake -G "Unix Makefiles" ..
+make VERBOSE=1
diff --git a/firmware/blinky/CMakeLists.txt b/firmware/blinky/CMakeLists.txt
index c887b0e0..dfecc320 100644
--- a/firmware/blinky/CMakeLists.txt
+++ b/firmware/blinky/CMakeLists.txt
@@ -19,7 +19,7 @@
 # Boston, MA 02110-1301, USA.
 #
 
-cmake_minimum_required(VERSION 2.8.9)
+cmake_minimum_required(VERSION 3.1.3)
 set(CMAKE_TOOLCHAIN_FILE ../toolchain-arm-cortex-m.cmake)
 
 project(blinky C)
diff --git a/firmware/common/operacake.c b/firmware/common/operacake.c
index 5154a890..8a047e14 100644
--- a/firmware/common/operacake.c
+++ b/firmware/common/operacake.c
@@ -21,7 +21,13 @@
 
 #include "operacake.h"
 #include "hackrf_core.h"
+#include "gpio.h"
+#include "gpio_lpc.h"
+#include <libopencm3/lpc43xx/scu.h>
 
+/*
+ * I2C Mode
+ */
 #define OPERACAKE_PIN_OE(x)      (x<<7)
 #define OPERACAKE_PIN_U2CTRL1(x) (x<<6)
 #define OPERACAKE_PIN_U2CTRL0(x) (x<<5)
@@ -44,7 +50,7 @@
 #define OPERACAKE_SAMESIDE  OPERACAKE_PIN_U1CTRL(1)
 #define OPERACAKE_CROSSOVER OPERACAKE_PIN_U1CTRL(0)
 #define OPERACAKE_EN_LEDS (OPERACAKE_PIN_LEDEN2(1) | OPERACAKE_PIN_LEDEN2(0))
-#define OPERACAKE_GPIO_EN OPERACAKE_PIN_OE(0)
+#define OPERACAKE_GPIO_ENABLE OPERACAKE_PIN_OE(0)
 #define OPERACAKE_GPIO_DISABLE OPERACAKE_PIN_OE(1)
 
 #define OPERACAKE_REG_INPUT    0x00
@@ -56,6 +62,10 @@
 								  | OPERACAKE_PORT_A1 | OPERACAKE_PORT_B1 \
 								  | OPERACAKE_EN_LEDS)
 #define OPERACAKE_CONFIG_ALL_OUTPUT (0x00)
+// Leave LED bits as outputs
+#define OPERACAKE_CONFIG_GPIO_INPUTS (0x7C)
+
+#define OPERACAKE_POLARITY_NORMAL (0x00)
 
 #define OPERACAKE_DEFAULT_ADDRESS 0x18
 
@@ -145,6 +155,9 @@ uint8_t operacake_set_ports(uint8_t address, uint8_t PA, uint8_t PB) {
 	return 0;
 }
 
+/*
+ * Opera Glasses
+ */
 typedef struct {
 	uint16_t freq_min;
 	uint16_t freq_max;
@@ -194,3 +207,82 @@ uint8_t operacake_set_range(uint32_t freq_mhz) {
 	current_range = i;
 	return 0;
 }
+
+/*
+ * GPIO
+ */
+uint16_t gpio_test(uint8_t address)
+{
+	uint8_t i, reg, bit_mask, gpio_mask = 0x1F;
+	uint16_t result = 0;
+	operacake_init();
+	scu_pinmux(SCU_PINMUX_GPIO3_8, SCU_GPIO_FAST | SCU_CONF_FUNCTION0);
+	scu_pinmux(SCU_PINMUX_GPIO3_12, SCU_GPIO_FAST | SCU_CONF_FUNCTION0);
+	scu_pinmux(SCU_PINMUX_GPIO3_13, SCU_GPIO_FAST | SCU_CONF_FUNCTION0);
+	scu_pinmux(SCU_PINMUX_GPIO3_14, SCU_GPIO_FAST | SCU_CONF_FUNCTION0);
+	scu_pinmux(SCU_PINMUX_GPIO3_15, SCU_GPIO_FAST | SCU_CONF_FUNCTION0);
+
+	static struct gpio_t gpio_pins[] = {
+		GPIO(3, 8),  // u1ctrl   IO2
+		GPIO(3, 14), // u3ctrl0  IO3
+		GPIO(3, 15), // u3ctrl1  IO4
+		GPIO(3, 12), // u2ctrl0  IO5
+		GPIO(3, 13)  // u2ctrl1  IO6
+	};
+	// Setup I2C to put it in GPIO mode
+	reg = (OPERACAKE_GPIO_ENABLE | OPERACAKE_EN_LEDS);
+	operacake_write_reg(oc_bus, address, OPERACAKE_REG_OUTPUT, reg);
+	operacake_write_reg(oc_bus, address, OPERACAKE_REG_CONFIG,
+		                OPERACAKE_CONFIG_GPIO_INPUTS);
+	operacake_write_reg(oc_bus, address, OPERACAKE_REG_POLARITY,
+		                OPERACAKE_POLARITY_NORMAL);
+	// clear state
+	for(i=0; i<5; i++) {
+		gpio_output(&gpio_pins[i]);
+		gpio_write(&gpio_pins[i], 0);
+	}
+	// Test each pin separately
+	for(i=0; i<5; i++) {
+		// Set pin high
+		gpio_write(&gpio_pins[i], 1);
+		// check input
+		reg = operacake_read_reg(oc_bus, address, OPERACAKE_REG_INPUT);
+		reg >>= 2;
+		reg &= gpio_mask;
+		bit_mask = 1 << i;
+		result <<= 1;
+		if(!(reg & bit_mask)) {
+			// Is the correct bit set?
+			result |= 1;
+		}
+		result <<= 1;
+		if(reg & ~bit_mask) {
+			// Are any other bits set?
+			result |= 1;
+		}
+		result <<= 1;
+		// set pin low
+		gpio_write(&gpio_pins[i], 0);
+		// check input
+		reg = operacake_read_reg(oc_bus, address, OPERACAKE_REG_INPUT);
+		reg >>= 2;
+		reg &= gpio_mask;
+		bit_mask = 1 << i;
+		if(reg & bit_mask) {
+			// Is the correct bit clear?
+			result |= 1;
+		}
+	}
+
+	// clean up
+	for(i=0; i<5; i++) {
+		gpio_input(&gpio_pins[i]);
+	}
+
+	// Put it back in to I2C mode and set default pins
+	operacake_write_reg(oc_bus, address, OPERACAKE_REG_CONFIG,
+		                    OPERACAKE_CONFIG_ALL_OUTPUT);
+	operacake_write_reg(oc_bus, address, OPERACAKE_REG_OUTPUT,
+		                OPERACAKE_DEFAULT_OUTPUT);
+	return result;
+}
diff --git a/firmware/common/operacake.h b/firmware/common/operacake.h
index a07988cf..77acf08f 100644
--- a/firmware/common/operacake.h
+++ b/firmware/common/operacake.h
@@ -49,6 +49,7 @@ uint8_t operacake_init(void);
 uint8_t operacake_set_ports(uint8_t address, uint8_t PA, uint8_t PB);
 uint8_t operacake_add_range(uint16_t freq_min, uint16_t freq_max, uint8_t port);
 uint8_t operacake_set_range(uint32_t freq_mhz);
+uint16_t gpio_test(uint8_t address);
 
 #ifdef __cplusplus
 }
diff --git a/firmware/hackrf-common.cmake b/firmware/hackrf-common.cmake
index baa77b78..2782bda5 100644
--- a/firmware/hackrf-common.cmake
+++ b/firmware/hackrf-common.cmake
@@ -34,19 +34,22 @@ SET(LIBOPENCM3 ${PATH_HACKRF_FIRMWARE}/libopencm3)
 
 include(${PATH_HACKRF_FIRMWARE}/dfu-util.cmake)
 
-execute_process(
-	COMMAND git log -n 1 --format=%h
-	WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
-	RESULT_VARIABLE GIT_VERSION_FOUND
-	ERROR_QUIET
-	OUTPUT_VARIABLE GIT_VERSION
-	OUTPUT_STRIP_TRAILING_WHITESPACE
-)
-if (GIT_VERSION_FOUND)
-	set(VERSION "unknown")
-else (GIT_VERSION_FOUND)
-	set(VERSION ${GIT_VERSION})
-endif (GIT_VERSION_FOUND)
+#set(VERSION "")
+if (NOT DEFINED VERSION)
+	execute_process(
+		COMMAND git log -n 1 --format=%h
+		WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+		RESULT_VARIABLE GIT_VERSION_FOUND
+		ERROR_QUIET
+		OUTPUT_VARIABLE GIT_VERSION
+		OUTPUT_STRIP_TRAILING_WHITESPACE
+	)
+	if (GIT_VERSION_FOUND)
+		set(VERSION "unknown")
+	else (GIT_VERSION_FOUND)
+		set(VERSION "git-${GIT_VERSION}")
+	endif (GIT_VERSION_FOUND)
+endif()
 
 if(NOT DEFINED BOARD)
 	set(BOARD HACKRF_ONE)
@@ -70,7 +73,7 @@ if(NOT DEFINED SRC_M0)
 	set(SRC_M0 "${PATH_HACKRF_FIRMWARE_COMMON}/m0_sleep.c")
 endif()
 
-SET(HACKRF_OPTS "-D${BOARD} -DUSER_INTERFACE_${USER_INTERFACE} -DLPC43XX -D${MCU_PARTNO} -DTX_ENABLE -D'VERSION_STRING=\"git-${VERSION}\"'")
+SET(HACKRF_OPTS "-D${BOARD} -DUSER_INTERFACE_${USER_INTERFACE} -DLPC43XX -D${MCU_PARTNO} -DTX_ENABLE -D'VERSION_STRING=\"${VERSION}\"'")
 
 SET(LDSCRIPT_M4 "-T${PATH_HACKRF_FIRMWARE_COMMON}/${MCU_PARTNO}_M4_memory.ld -Tlibopencm3_lpc43xx_rom_to_ram.ld -T${PATH_HACKRF_FIRMWARE_COMMON}/LPC43xx_M4_M0_image_from_text.ld")
 
@@ -78,7 +81,7 @@ SET(LDSCRIPT_M4_DFU "-T${PATH_HACKRF_FIRMWARE_COMMON}/${MCU_PARTNO}_M4_memory.ld
 
 SET(LDSCRIPT_M0 "-T${PATH_HACKRF_FIRMWARE_COMMON}/LPC43xx_M0_memory.ld -Tlibopencm3_lpc43xx_m0.ld")
 
-SET(CFLAGS_COMMON "-Os -g3 -Wall -Wextra ${HACKRF_OPTS} ${COMMON_FLAGS} -fno-common -MD")
+SET(CFLAGS_COMMON "-Os -g3 -Wall -Wextra ${HACKRF_OPTS} -fno-common -MD")
 SET(LDFLAGS_COMMON "-nostartfiles -Wl,--gc-sections")
 
 if(V STREQUAL "1")
@@ -88,7 +91,7 @@ endif()
 SET(CPUFLAGS_M0 "-mthumb -mcpu=cortex-m0 -mfloat-abi=soft")
 SET(CFLAGS_M0 "-std=gnu99 ${CFLAGS_COMMON} ${CPUFLAGS_M0} -DLPC43XX_M0")
 SET(CXXFLAGS_M0 "-std=gnu++0x ${CFLAGS_COMMON} ${CPUFLAGS_M0} -DLPC43XX_M0")
-SET(LDFLAGS_M0 "${LDFLAGS_COMMON} ${CPUFLAGS_M0} ${LDSCRIPT_M0} -Xlinker -Map=m0.map --specs=nano.specs")
+SET(LDFLAGS_M0 "${LDFLAGS_COMMON} ${CPUFLAGS_M0} ${LDSCRIPT_M0} -Xlinker -Map=m0.map")
 
 SET(CPUFLAGS_M4 "-mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16")
 SET(CFLAGS_M4 "-std=gnu99 ${CFLAGS_COMMON} ${CPUFLAGS_M4} -DLPC43XX_M4")
diff --git a/firmware/hackrf_usb/CMakeLists.txt b/firmware/hackrf_usb/CMakeLists.txt
index 73e84d20..820ec089 100644
--- a/firmware/hackrf_usb/CMakeLists.txt
+++ b/firmware/hackrf_usb/CMakeLists.txt
@@ -18,7 +18,7 @@
 # Boston, MA 02110-1301, USA.
 #
 
-cmake_minimum_required(VERSION 2.8.9)
+cmake_minimum_required(VERSION 3.1.3)
 set(CMAKE_TOOLCHAIN_FILE ../toolchain-arm-cortex-m.cmake)
 
 project(hackrf_usb C)
diff --git a/firmware/hackrf_usb/hackrf_usb.c b/firmware/hackrf_usb/hackrf_usb.c
index 5d0c6ea4..280ad4b2 100644
--- a/firmware/hackrf_usb/hackrf_usb.c
+++ b/firmware/hackrf_usb/hackrf_usb.c
@@ -92,7 +92,8 @@ static const usb_request_handler_fn vendor_request_handler[] = {
 	usb_vendor_request_operacake_set_ranges,
 	usb_vendor_request_set_clkout_enable,
 	usb_vendor_request_spiflash_status,
-	usb_vendor_request_spiflash_clear_status
+	usb_vendor_request_spiflash_clear_status,
+	usb_vendor_request_operacake_gpio_test
 };
 
 static const uint32_t vendor_request_handler_count =
diff --git a/firmware/hackrf_usb/usb_api_operacake.c b/firmware/hackrf_usb/usb_api_operacake.c
index 4901d900..ef49dc6f 100644
--- a/firmware/hackrf_usb/usb_api_operacake.c
+++ b/firmware/hackrf_usb/usb_api_operacake.c
@@ -74,3 +74,18 @@ usb_request_status_t usb_vendor_request_operacake_set_ranges(
 	}
 	return USB_REQUEST_STATUS_OK;
 }
+
+usb_request_status_t usb_vendor_request_operacake_gpio_test(
+	usb_endpoint_t* const endpoint, const usb_transfer_stage_t stage)
+{
+	uint16_t test_result;
+	uint8_t address = endpoint->setup.value & 0xFF;
+	if (stage == USB_TRANSFER_STAGE_SETUP) {
+		test_result = gpio_test(address);
+		endpoint->buffer[0] = test_result & 0xff;
+		endpoint->buffer[1] = test_result >> 8;
+		usb_transfer_schedule_block(endpoint->in, &endpoint->buffer, 2, NULL, NULL);
+		usb_transfer_schedule_ack(endpoint->out);
+	}
+	return USB_REQUEST_STATUS_OK;
+}
diff --git a/firmware/hackrf_usb/usb_api_operacake.h b/firmware/hackrf_usb/usb_api_operacake.h
index 73259aca..e6dfbec1 100644
--- a/firmware/hackrf_usb/usb_api_operacake.h
+++ b/firmware/hackrf_usb/usb_api_operacake.h
@@ -34,4 +34,7 @@ usb_request_status_t usb_vendor_request_operacake_set_ports(
 usb_request_status_t usb_vendor_request_operacake_set_ranges(
 	usb_endpoint_t* const endpoint, const usb_transfer_stage_t stage);
 
+usb_request_status_t usb_vendor_request_operacake_gpio_test(
+	usb_endpoint_t* const endpoint, const usb_transfer_stage_t stage);
+
 #endif /* end of include guard: __USB_API_OPERACAKE_H__ */
diff --git a/firmware/toolchain-arm-cortex-m.cmake b/firmware/toolchain-arm-cortex-m.cmake
index 65ddb1c4..dc9caf9e 100644
--- a/firmware/toolchain-arm-cortex-m.cmake
+++ b/firmware/toolchain-arm-cortex-m.cmake
@@ -22,10 +22,9 @@ set(CMAKE_SYSTEM_NAME Generic)
 set(CMAKE_SYSTEM_VERSION 1)
 set(CMAKE_SYSTEM_PROCESSOR arm)
 
-include(CMakeForceCompiler)
-
-CMAKE_FORCE_C_COMPILER(arm-none-eabi-gcc GNU)
-CMAKE_FORCE_CXX_COMPILER(arm-none-eabi-g++ GNU)
+set(CMAKE_C_COMPILER arm-none-eabi-gcc)
+set(CMAKE_CXX_COMPILER arm-none-eabi-g++)
+set(CMAKE_EXE_LINKER_FLAGS_INIT "--specs=nosys.specs")
 
 execute_process(
   COMMAND ${CMAKE_C_COMPILER} -print-file-name=libc.a
diff --git a/hardware/hackrf-one/baseband.sch b/hardware/hackrf-one/baseband.sch
index 72596e71..c203582e 100644
--- a/hardware/hackrf-one/baseband.sch
+++ b/hardware/hackrf-one/baseband.sch
@@ -36,9 +36,9 @@ $Descr User 17000 11000
 encoding utf-8
 Sheet 3 4
 Title "HackRF One baseband"
-Date "13 feb 2014"
+Date "2018-04-17"
 Rev ""
-Comp "Copyright 2012 Michael Ossmann"
+Comp "Copyright 2012-2018 Michael Ossmann"
 Comment1 "License: GPL v2"
 Comment2 ""
 Comment3 ""
diff --git a/hardware/hackrf-one/frontend.sch b/hardware/hackrf-one/frontend.sch
index e64c3808..edb4f5f0 100644
--- a/hardware/hackrf-one/frontend.sch
+++ b/hardware/hackrf-one/frontend.sch
@@ -36,9 +36,9 @@ $Descr User 17000 11000
 encoding utf-8
 Sheet 2 4
 Title "HackRF One frontend"
-Date "13 feb 2014"
+Date "2018-04-17"
 Rev ""
-Comp "Copyright 2012 Michael Ossmann"
+Comp "Copyright 2012-2018 Michael Ossmann"
 Comment1 "License: GPL v2"
 Comment2 ""
 Comment3 ""
@@ -1539,7 +1539,7 @@ Text Label 14350 7350 1    40   ~ 0
 TX_AMP_OUT
 Text Label 8500 8550 1    40   ~ 0
 RX_AMP_OUT
-Text Label 12300 9350 0    40   ~ 0
+Text Label 11850 9100 0    40   ~ 0
 RX_AMP_IN
 $Comp
 L GND #PWR036
diff --git a/hardware/hackrf-one/hackrf-one.cmp b/hardware/hackrf-one/hackrf-one.cmp
index 88f9592c..a291bfc7 100644
--- a/hardware/hackrf-one/hackrf-one.cmp
+++ b/hardware/hackrf-one/hackrf-one.cmp
@@ -2845,7 +2845,7 @@ EndCmp
 BeginCmp
 TimeStamp = /5037043E/4F825D1B;
 Reference = U20;
-ValeurCmp = W25Q80BV;
+ValeurCmp = W25Q80;
 IdModule  = hackrf:GSG-SOIC8-208;
 EndCmp
 
diff --git a/hardware/hackrf-one/hackrf-one.kicad_pcb b/hardware/hackrf-one/hackrf-one.kicad_pcb
index 6ea68c82..f9b2bde3 100644
--- a/hardware/hackrf-one/hackrf-one.kicad_pcb
+++ b/hardware/hackrf-one/hackrf-one.kicad_pcb
@@ -9630,7 +9630,7 @@
     (fp_text reference U20 (at 0 0 180) (layer F.SilkS)
       (effects (font (thickness 0.3048)))
     )
-    (fp_text value W25Q80BV (at 0 0 180) (layer F.SilkS) hide
+    (fp_text value W25Q80 (at 0 0 180) (layer F.SilkS) hide
       (effects (font (thickness 0.3048)))
     )
     (fp_circle (center -1.651 -1.651) (end -1.143 -1.651) (layer F.SilkS) (width 0.2032))
diff --git a/hardware/hackrf-one/hackrf-one.net b/hardware/hackrf-one/hackrf-one.net
index 1fb1b32b..c52a5c2f 100644
--- a/hardware/hackrf-one/hackrf-one.net
+++ b/hardware/hackrf-one/hackrf-one.net
@@ -3452,11 +3452,11 @@
       (sheetpath (names /mcu/usb/power/) (tstamps /5037043E/))
       (tstamp 4F82F4C0))
     (comp (ref U20)
-      (value W25Q80BV)
+      (value W25Q80)
       (footprint hackrf:GSG-SOIC8-208)
       (fields
         (field (name Manufacturer) Winbond)
-        (field (name "Part Number") W25Q80JVSSIQ)
+        (field (name "Part Number") W25Q80DVSSIG)
         (field (name Description) "IC FLASH 8MBIT 8SOIC"))
       (libsource (lib hackrf) (part W25Q80BV))
       (sheetpath (names /mcu/usb/power/) (tstamps /5037043E/))
diff --git a/hardware/hackrf-one/hackrf-one.pro b/hardware/hackrf-one/hackrf-one.pro
index d447a371..ed7df41b 100644
--- a/hardware/hackrf-one/hackrf-one.pro
+++ b/hardware/hackrf-one/hackrf-one.pro
@@ -1,4 +1,4 @@
-update=Wed 13 Jul 2016 05:14:22 PM MDT
+update=Tue 17 Apr 2018 06:35:23 AM MDT
 version=1
 last_client=kicad
 [cvpcb]
@@ -77,3 +77,13 @@ LibName27=atmel
 LibName28=contrib
 LibName29=valves
 LibName30=hackrf
+[schematic_editor]
+version=1
+PageLayoutDescrFile=
+PlotDirectoryName=
+SubpartIdSeparator=0
+SubpartFirstId=65
+NetFmtName=
+SpiceForceRefPrefix=0
+SpiceUseNetNumbers=0
+LabSize=60
diff --git a/hardware/hackrf-one/hackrf-one.sch b/hardware/hackrf-one/hackrf-one.sch
index 35af03b8..c90bed21 100644
--- a/hardware/hackrf-one/hackrf-one.sch
+++ b/hardware/hackrf-one/hackrf-one.sch
@@ -36,9 +36,9 @@ $Descr User 17000 11000
 encoding utf-8
 Sheet 1 4
 Title "HackRF One"
-Date "13 feb 2014"
+Date "2018-04-17"
 Rev ""
-Comp "Copyright 2012 Michael Ossmann"
+Comp "Copyright 2012-2018 Michael Ossmann"
 Comment1 "License: GPL v2"
 Comment2 ""
 Comment3 ""
diff --git a/hardware/hackrf-one/mcu.sch b/hardware/hackrf-one/mcu.sch
index 4f45fcd2..f93d4e91 100644
--- a/hardware/hackrf-one/mcu.sch
+++ b/hardware/hackrf-one/mcu.sch
@@ -36,9 +36,9 @@ $Descr User 17000 11000
 encoding utf-8
 Sheet 4 4
 Title "HackRF One mcu/usb/power"
-Date "13 feb 2014"
+Date "2018-04-17"
 Rev ""
-Comp "Copyright 2012 Michael Ossmann"
+Comp "Copyright 2012-2018 Michael Ossmann"
 Comment1 "License: GPL v2"
 Comment2 ""
 Comment3 ""
@@ -2088,11 +2088,11 @@ L W25Q80BV U20
 U 1 1 4F825D1B
 P 9800 1450
 F 0 "U20" H 9800 1200 60  0000 C CNN
-F 1 "W25Q80JV" H 9800 1700 60  0000 C CNN
+F 1 "W25Q80" H 9800 1700 60  0000 C CNN
 F 2 "hackrf:GSG-SOIC8-208" H 9800 1450 60  0001 C CNN
 F 3 "" H 9800 1450 60  0001 C CNN
 F 4 "Winbond" H 9800 1450 60  0001 C CNN "Manufacturer"
-F 5 "W25Q80JVSSIQ" H 9800 1450 60  0001 C CNN "Part Number"
+F 5 "W25Q80DVSSIG" H 9800 1450 60  0001 C CNN "Part Number"
 F 6 "IC FLASH 8MBIT 8SOIC" H 9800 1450 60  0001 C CNN "Description"
 	1    9800 1450
 	1    0    0    -1  
diff --git a/hardware/operacake/operacake-cache.lib b/hardware/operacake/operacake-cache.lib
index 0de6b682..2ed6ec8b 100644
--- a/hardware/operacake/operacake-cache.lib
+++ b/hardware/operacake/operacake-cache.lib
@@ -59,14 +59,10 @@ ENDDEF
 DEF C C 0 10 N Y 1 F N
 F0 "C" 25 100 50 H V L CNN
 F1 "C" 25 -100 50 H V L CNN
-F2 "" 38 -150 50 H V C CNN
-F3 "" 0 0 50 H V C CNN
+F2 "" 38 -150 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
 $FPLIST
- C?
- C_????_*
- C_????
- SMD*_c
- Capacitor*
+ C_*
 $ENDFPLIST
 DRAW
 P 2 0 1 20 -80 -30 80 -30 N
@@ -78,16 +74,17 @@ ENDDEF
 #
 # CONN_02X03
 #
-DEF CONN_02X03 P 0 1 Y N 1 F N
-F0 "P" 0 200 50 H V C CNN
+DEF CONN_02X03 J 0 1 Y N 1 F N
+F0 "J" 0 200 50 H V C CNN
 F1 "CONN_02X03" 0 -200 50 H V C CNN
-F2 "" 0 -1200 50 H V C CNN
-F3 "" 0 -1200 50 H V C CNN
+F2 "" 0 -1200 50 H I C CNN
+F3 "" 0 -1200 50 H I C CNN
 $FPLIST
- Pin_Header_Straight_2X03
- Pin_Header_Angled_2X03
- Socket_Strip_Straight_2X03
- Socket_Strip_Angled_2X03
+ Pin_Header_Straight_2X*
+ Pin_Header_Angled_2X*
+ Socket_Strip_Straight_2X*
+ Socket_Strip_Angled_2X*
+ IDC_Header_Straight_*
 $ENDFPLIST
 DRAW
 S -100 -95 -50 -105 0 1 0 N
@@ -108,16 +105,17 @@ ENDDEF
 #
 # CONN_02X08
 #
-DEF CONN_02X08 P 0 1 Y N 1 F N
-F0 "P" 0 450 50 H V C CNN
+DEF CONN_02X08 J 0 1 Y N 1 F N
+F0 "J" 0 450 50 H V C CNN
 F1 "CONN_02X08" 0 0 50 V V C CNN
-F2 "" 0 -1200 50 H V C CNN
-F3 "" 0 -1200 50 H V C CNN
+F2 "" 0 -1200 50 H I C CNN
+F3 "" 0 -1200 50 H I C CNN
 $FPLIST
- Pin_Header_Straight_2X08
- Pin_Header_Angled_2X08
- Socket_Strip_Straight_2X08
- Socket_Strip_Angled_2X08
+ Pin_Header_Straight_2X*
+ Pin_Header_Angled_2X*
+ Socket_Strip_Straight_2X*
+ Socket_Strip_Angled_2X*
+ IDC_Header_Straight_*
 $ENDFPLIST
 DRAW
 S -100 -345 -50 -355 0 1 0 N
@@ -158,16 +156,16 @@ ENDDEF
 #
 # CONN_02X11
 #
-DEF CONN_02X11 P 0 1 Y N 1 F N
-F0 "P" 0 600 50 H V C CNN
+DEF CONN_02X11 J 0 1 Y N 1 F N
+F0 "J" 0 600 50 H V C CNN
 F1 "CONN_02X11" 0 0 50 V V C CNN
-F2 "" 0 -1200 50 H V C CNN
-F3 "" 0 -1200 50 H V C CNN
+F2 "" 0 -1200 50 H I C CNN
+F3 "" 0 -1200 50 H I C CNN
 $FPLIST
- Pin_Header_Straight_2X11
- Pin_Header_Angled_2X11
- Socket_Strip_Straight_2X11
- Socket_Strip_Angled_2X11
+ Pin_Header_Straight_2X*
+ Pin_Header_Angled_2X*
+ Socket_Strip_Straight_2X*
+ Socket_Strip_Angled_2X*
 $ENDFPLIST
 DRAW
 S -100 -495 -50 -505 0 1 0 N
@@ -220,16 +218,17 @@ ENDDEF
 #
 # CONN_02X13
 #
-DEF CONN_02X13 P 0 1 Y N 1 F N
-F0 "P" 0 700 50 H V C CNN
+DEF CONN_02X13 J 0 1 Y N 1 F N
+F0 "J" 0 700 50 H V C CNN
 F1 "CONN_02X13" 0 0 50 V V C CNN
-F2 "" 0 -1150 50 H V C CNN
-F3 "" 0 -1150 50 H V C CNN
+F2 "" 0 -1150 50 H I C CNN
+F3 "" 0 -1150 50 H I C CNN
 $FPLIST
- Pin_Header_Straight_2X13
- Pin_Header_Angled_2X13
- Socket_Strip_Straight_2X13
- Socket_Strip_Angled_2X13
+ Pin_Header_Straight_2X*
+ Pin_Header_Angled_2X*
+ Socket_Strip_Straight_2X*
+ Socket_Strip_Angled_2X*
+ IDC_Header_Straight_*
 $ENDFPLIST
 DRAW
 S -100 -595 -50 -605 0 1 0 N
@@ -290,16 +289,17 @@ ENDDEF
 #
 # CONN_02X20
 #
-DEF CONN_02X20 P 0 1 Y N 1 F N
-F0 "P" 0 1050 50 H V C CNN
+DEF CONN_02X20 J 0 1 Y N 1 F N
+F0 "J" 0 1050 50 H V C CNN
 F1 "CONN_02X20" 0 0 50 V V C CNN
-F2 "" 0 -950 50 H V C CNN
-F3 "" 0 -950 50 H V C CNN
+F2 "" 0 -950 50 H I C CNN
+F3 "" 0 -950 50 H I C CNN
 $FPLIST
- Pin_Header_Straight_2X20
- Pin_Header_Angled_2X20
- Socket_Strip_Straight_2X20
- Socket_Strip_Angled_2X20
+ Pin_Header_Straight_2X*
+ Pin_Header_Angled_2X*
+ Socket_Strip_Straight_2X*
+ Socket_Strip_Angled_2X*
+ IDC_Header_Straight_*
 $ENDFPLIST
 DRAW
 S -100 -945 -50 -955 0 1 0 N
@@ -405,8 +405,8 @@ ENDDEF
 DEF GND #PWR 0 0 Y Y 1 F P
 F0 "#PWR" 0 -250 50 H I C CNN
 F1 "GND" 0 -150 50 H V C CNN
-F2 "" 0 0 50 H V C CNN
-F3 "" 0 0 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
 DRAW
 P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N
 X GND 1 0 0 0 D 50 50 1 1 W N
@@ -453,8 +453,8 @@ ENDDEF
 DEF LED D 0 40 Y N 1 F N
 F0 "D" 0 100 50 H V C CNN
 F1 "LED" 0 -100 50 H V C CNN
-F2 "" 0 0 50 H V C CNN
-F3 "" 0 0 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
 $FPLIST
  LED*
 $ENDFPLIST
@@ -527,11 +527,11 @@ ENDDEF
 DEF R R 0 0 N Y 1 F N
 F0 "R" 80 0 50 V V C CNN
 F1 "R" 0 0 50 V V C CNN
-F2 "" -70 0 50 V V C CNN
-F3 "" 0 0 50 H V C CNN
+F2 "" -70 0 50 V I C CNN
+F3 "" 0 0 50 H I C CNN
 $FPLIST
  R_*
- Resistor_*
+ R_*
 $ENDFPLIST
 DRAW
 S -40 -100 40 100 0 1 10 N
@@ -600,8 +600,8 @@ ENDDEF
 DEF VCC #PWR 0 0 Y Y 1 F P
 F0 "#PWR" 0 -150 50 H I C CNN
 F1 "VCC" 0 150 50 H V C CNN
-F2 "" 0 0 50 H V C CNN
-F3 "" 0 0 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
 DRAW
 C 0 75 25 0 1 0 N
 P 2 0 1 0 0 0 0 50 N
diff --git a/hardware/operacake/operacake.kicad_pcb b/hardware/operacake/operacake.kicad_pcb
index fa99863d..cf5fffc0 100644
--- a/hardware/operacake/operacake.kicad_pcb
+++ b/hardware/operacake/operacake.kicad_pcb
@@ -1,4 +1,4 @@
-(kicad_pcb (version 4) (host pcbnew 4.0.5+dfsg1-4)
+(kicad_pcb (version 4) (host pcbnew 4.0.6)
 
   (general
     (links 598)
@@ -517,6 +517,7 @@
     (at 176.775 154.675)
     (path /57F102E7)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DBG1 (at 0.7112 0) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -541,6 +542,7 @@
     (at 176.775 155.9)
     (path /57F102F1)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DBY1 (at 0.7112 0) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -565,6 +567,7 @@
     (at 176.775 117.55)
     (path /57F10301)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DBG4 (at 0.7112 0) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -589,6 +592,7 @@
     (at 176.775 118.775)
     (path /57F1030A)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DBY4 (at 0.7112 0) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -613,6 +617,7 @@
     (at 176.775 129.925)
     (path /57F102CF)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DBG3 (at 0.7112 0) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -637,6 +642,7 @@
     (at 176.775 131.15)
     (path /57F102D8)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DBY3 (at 0.7112 0) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -661,6 +667,7 @@
     (at 63.225 118.775 180)
     (path /57F0F0A3)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DAY4 (at 0.7112 0 180) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -685,6 +692,7 @@
     (at 63.225 117.55 180)
     (path /57F0F09A)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DAG4 (at 0.7112 0 180) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -709,6 +717,7 @@
     (at 67.5 136.75 180)
     (path /57ED4222)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference C1 (at 0 0.0508 180) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -729,6 +738,7 @@
     (at 67.5 112 180)
     (path /57EF11C4)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference C2 (at 0 0.0508 180) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -749,6 +759,7 @@
     (at 167.5 136.75)
     (path /57EF1B35)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference C3 (at 0 0.0508) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -769,6 +780,7 @@
     (at 172.5 112)
     (path /57EF1B93)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference C4 (at 0 0.0508) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -789,6 +801,7 @@
     (at 67.5 149.125 180)
     (path /57EF0A53)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference C5 (at 0 0.0508 180) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -809,6 +822,7 @@
     (at 67.5 124.375 180)
     (path /57EF11F3)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference C6 (at 0 0.0508 180) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -829,6 +843,7 @@
     (at 167.5 149.525)
     (path /57EF1B65)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference C7 (at 0 0.0508) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -849,6 +864,7 @@
     (at 172.5 124.375)
     (path /57EF1BC2)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference C8 (at 0 0.0508) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -869,6 +885,7 @@
     (at 115.09248 165.8874 180)
     (path /57EDB85B)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference C9 (at 0 0.0508 180) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -889,6 +906,7 @@
     (at 123.87072 165.36416 180)
     (path /57EDC2D6)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference C10 (at 0 0.0508 180) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -909,6 +927,7 @@
     (at 67.5 161.5 180)
     (path /57ECFA66)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference C11 (at 0 0.0508 180) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -929,6 +948,7 @@
     (at 172.475 161.5)
     (path /57ED7255)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference C12 (at 0 0.0508) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -949,6 +969,7 @@
     (at 69.1 136.2 90)
     (path /57ED4219)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference D1 (at 0 0.0508 90) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -969,6 +990,7 @@
     (at 69.1 111.5 90)
     (path /57EF11BB)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference D2 (at 0 0.0508 90) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -989,6 +1011,7 @@
     (at 165.9 136.3 90)
     (path /57EF1B2C)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference D3 (at 0 0.0508 90) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -1009,6 +1032,7 @@
     (at 170.9 111.5 90)
     (path /57EF1B8A)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference D4 (at 0 0.0508 90) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -1029,6 +1053,7 @@
     (at 69.1 148.6 90)
     (path /57EF0A4A)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference D5 (at 0 0.0508 90) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -1049,6 +1074,7 @@
     (at 69.1 123.9 90)
     (path /57EF11EA)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference D6 (at 0 0.0508 90) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -1069,6 +1095,7 @@
     (at 165.9 149 90)
     (path /57EF1B5C)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference D7 (at 0 0.0508 90) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -1089,6 +1116,7 @@
     (at 170.9 123.9 90)
     (path /57EF1BB9)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference D8 (at 0 0.0508 90) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -1109,6 +1137,7 @@
     (at 69.1 161 90)
     (path /57ECF9D2)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference D9 (at 0 0.0508 90) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -1129,6 +1158,7 @@
     (at 170.9 161 90)
     (path /57ED724C)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference D10 (at 0 0.0508 90) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -1149,6 +1179,7 @@
     (at 63.225 167.05 180)
     (path /57F14A76)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DA0 (at 0.7112 0 180) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -1173,6 +1204,7 @@
     (at 63.225 154.675 180)
     (path /57F0F080)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DAG1 (at 0.7112 0 180) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -1197,6 +1229,7 @@
     (at 63.225 142.3 180)
     (path /57EFE38F)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DAG2 (at 0.7112 0 180) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -1221,6 +1254,7 @@
     (at 63.225 129.925 180)
     (path /57F0CF06)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DAG3 (at 0.7112 0 180) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -1245,6 +1279,7 @@
     (at 63.225 155.9 180)
     (path /57F0F08A)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DAY1 (at 0.7112 0 180) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -1269,6 +1304,7 @@
     (at 63.225 143.525 180)
     (path /57F0174D)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DAY2 (at 0.7112 0 180) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -1293,6 +1329,7 @@
     (at 63.225 131.15 180)
     (path /57F0CF0F)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DAY3 (at 0.7112 0 180) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -1317,6 +1354,7 @@
     (at 176.775 167.05)
     (path /57F14A80)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DB0 (at 0.7112 0) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -1341,6 +1379,7 @@
     (at 176.775 142.3)
     (path /57F102B1)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DBG2 (at 0.7112 0) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -1365,6 +1404,7 @@
     (at 176.775 143.525)
     (path /57F102BB)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference DBY2 (at 0.7112 0) (layer F.SilkS)
       (effects (font (size 0.6096 0.508) (thickness 0.127)))
     )
@@ -2417,6 +2457,7 @@
     (at 112.3188 130.048 90)
     (path /57F026AD)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R1 (at 0 0 90) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -2437,6 +2478,7 @@
     (at 112.4966 124.968 90)
     (path /57F1320C)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R2 (at 0 0 90) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -2457,6 +2499,7 @@
     (at 110.49 123.4694 270)
     (path /57F0E70A)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R3 (at 0 0 270) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -2477,6 +2520,7 @@
     (at 110.4646 128.5748 270)
     (path /57F12932)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R4 (at 0 0 270) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -2497,6 +2541,7 @@
     (at 134.5 140.5 90)
     (path /57F1ECB2)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R5 (at 0 0 90) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -2517,6 +2562,7 @@
     (at 136.5 140.5 90)
     (path /57F1EEC6)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R6 (at 0 0 90) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -2577,6 +2623,7 @@
     (at 131.5 139.5)
     (path /57F40DD9)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R9 (at 0 0) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -2597,6 +2644,7 @@
     (at 130.74396 133.91388)
     (path /57F3C15B)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R10 (at 0 0) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -2617,6 +2665,7 @@
     (at 140.589 128.79324)
     (path /57F42B49)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R11 (at 0 0) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -2637,6 +2686,7 @@
     (at 130.77 106.8236)
     (path /57F4A26A)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R12 (at 0 0) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -2657,6 +2707,7 @@
     (at 125.5 126 90)
     (path /57F4A395)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R13 (at 0 0 90) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -2677,6 +2728,7 @@
     (at 134.77 106.8236)
     (path /57F4A4C3)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R14 (at 0 0) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -2697,6 +2749,7 @@
     (at 138.7 121.7 180)
     (path /57F4A5F4)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R15 (at 0 0 180) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -2717,6 +2770,7 @@
     (at 117.336777 136.475619 180)
     (path /57F4A728)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R16 (at 0 0 180) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -2737,6 +2791,7 @@
     (at 150.2 149.6 90)
     (path /57F381DD)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R17 (at 0 0 90) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -2757,6 +2812,7 @@
     (at 152.7 149.6 90)
     (path /57F40B96)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R18 (at 0 0 90) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -2777,6 +2833,7 @@
     (at 155.2 149.6 90)
     (path /57F40CBA)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R19 (at 0 0 90) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -2797,6 +2854,7 @@
     (at 128.1 135.8 270)
     (path /57FC84C7)
     (solder_mask_margin 0.1016)
+    (attr smd)
     (fp_text reference R20 (at 0 0 270) (layer F.SilkS)
       (effects (font (size 0.6096 0.6096) (thickness 0.1524)))
     )
@@ -3238,6 +3296,7 @@
     (path /57ED7D40)
     (solder_mask_margin 0.07112)
     (clearance 0.1524)
+    (attr smd)
     (fp_text reference U1 (at 0 0 180) (layer F.SilkS)
       (effects (font (size 1 1) (thickness 0.2)))
     )
@@ -3296,6 +3355,7 @@
   (module gsg-modules:SKY13322-375LF (layer C1F) (tedit 57F1C8D1) (tstamp 57F1D867)
     (at 83 130.5625)
     (path /57ED2FAA)
+    (attr smd)
     (fp_text reference U2 (at 0 0.5) (layer F.SilkS)
       (effects (font (size 0.6 0.5) (thickness 0.1)))
     )
@@ -3342,6 +3402,7 @@
   (module gsg-modules:SKY13322-375LF (layer C1F) (tedit 57F1C8D1) (tstamp 57F1D87A)
     (at 157 130.5625 180)
     (path /57EF1C07)
+    (attr smd)
     (fp_text reference U3 (at 0 0.5 180) (layer F.SilkS)
       (effects (font (size 0.6 0.5) (thickness 0.1)))
     )
@@ -3388,6 +3449,7 @@
   (module gsg-modules:TSSOP16 (layer C1F) (tedit 5605DC3A) (tstamp 57F1D88E)
     (at 136 134 90)
     (path /57F3AE6E)
+    (attr smd)
     (fp_text reference U4 (at 1.3 0 180) (layer F.SilkS)
       (effects (font (size 1 1) (thickness 0.15)))
     )
@@ -3436,6 +3498,7 @@
   (module gsg-modules:TSSOP20 (layer C1F) (tedit 57F1CC68) (tstamp 57F1D8AB)
     (at 145 122 180)
     (path /57F25F57)
+    (attr smd)
     (fp_text reference U5 (at 1.3 0 270) (layer F.SilkS)
       (effects (font (size 1 1) (thickness 0.15)))
     )
@@ -3492,6 +3555,7 @@
   (module gsg-modules:SOT363 (layer C1F) (tedit 5099C1B1) (tstamp 57F1D8B5)
     (at 117.336777 128.975619 90)
     (path /57FC9246)
+    (attr smd)
     (fp_text reference U6 (at 0 -0.18 90) (layer F.SilkS)
       (effects (font (size 0.4 0.5) (thickness 0.12)))
     )
@@ -3520,6 +3584,7 @@
   (module gsg-modules:SOT363 (layer C1F) (tedit 5099C1B1) (tstamp 57F1D8BF)
     (at 117.336777 123.975619 90)
     (path /57FCC959)
+    (attr smd)
     (fp_text reference U7 (at 0 -0.18 90) (layer F.SilkS)
       (effects (font (size 0.4 0.5) (thickness 0.12)))
     )
@@ -3548,6 +3613,7 @@
   (module gsg-modules:SOT353-1 (layer C1F) (tedit 57E1C050) (tstamp 57F1D8C8)
     (at 127.7506 109.5596 90)
     (path /57EEFD9C)
+    (attr smd)
     (fp_text reference U8 (at 0 -0.18 90) (layer F.SilkS)
       (effects (font (size 0.4 0.5) (thickness 0.1)))
     )
@@ -3574,6 +3640,7 @@
   (module gsg-modules:SOT353-1 (layer C1F) (tedit 57E1C050) (tstamp 57F1D8D1)
     (at 134.5298 109.4778 270)
     (path /57EF9417)
+    (attr smd)
     (fp_text reference U9 (at 0 -0.18 270) (layer F.SilkS)
       (effects (font (size 0.4 0.5) (thickness 0.1)))
     )
@@ -3600,6 +3667,7 @@
   (module gsg-modules:SOT363 (layer C1F) (tedit 5099C1B1) (tstamp 57F1D8DB)
     (at 127.95504 113.32464 180)
     (path /57EF011E)
+    (attr smd)
     (fp_text reference U10 (at 0 -0.18 180) (layer F.SilkS)
       (effects (font (size 0.4 0.5) (thickness 0.12)))
     )
@@ -3628,6 +3696,7 @@
   (module gsg-modules:SOT363 (layer C1F) (tedit 5099C1B1) (tstamp 57F1D8E5)
     (at 132.05968 113.3856 180)
     (path /57EF9429)
+    (attr smd)
     (fp_text reference U11 (at 0 -0.18 180) (layer F.SilkS)
       (effects (font (size 0.4 0.5) (thickness 0.12)))
     )
@@ -3656,6 +3725,7 @@
   (module gsg-modules:SOT363 (layer C1F) (tedit 5099C1B1) (tstamp 57F1D8EF)
     (at 127.83312 119.60352 180)
     (path /57EF3F5A)
+    (attr smd)
     (fp_text reference U12 (at 0 -0.18 180) (layer F.SilkS)
       (effects (font (size 0.4 0.5) (thickness 0.12)))
     )
@@ -3684,6 +3754,7 @@
   (module gsg-modules:SOT363 (layer C1F) (tedit 5099C1B1) (tstamp 57F1D8F9)
     (at 132.0546 119.61876 180)
     (path /57EF9432)
+    (attr smd)
     (fp_text reference U13 (at 0 -0.18 180) (layer F.SilkS)
       (effects (font (size 0.4 0.5) (thickness 0.12)))
     )
@@ -3712,6 +3783,7 @@
   (module gsg-modules:SOT353-1 (layer C1F) (tedit 57E1C050) (tstamp 57F1D902)
     (at 128 127 180)
     (path /57EEFEA7)
+    (attr smd)
     (fp_text reference U14 (at 0 -0.18 180) (layer F.SilkS)
       (effects (font (size 0.4 0.5) (thickness 0.1)))
     )
@@ -3738,6 +3810,7 @@
   (module gsg-modules:SOT353-1 (layer C1F) (tedit 57E1C050) (tstamp 57F1D90B)
     (at 132 127 180)
     (path /57EF9420)
+    (attr smd)
     (fp_text reference U15 (at 0 -0.18 180) (layer F.SilkS)
       (effects (font (size 0.4 0.5) (thickness 0.1)))
     )
@@ -3764,6 +3837,7 @@
   (module gsg-modules:SOT363 (layer C1F) (tedit 5099C1B1) (tstamp 57F1D915)
     (at 117.336777 133.975619 90)
     (path /57EEFF63)
+    (attr smd)
     (fp_text reference U16 (at 0 -0.18 90) (layer F.SilkS)
       (effects (font (size 0.4 0.5) (thickness 0.12)))
     )
@@ -3992,6 +4066,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 595A86A8) (tstamp 595A7CE9)
     (at 85.344 132.588 270)
     (path /5950597B)
+    (attr smd)
     (fp_text reference C13 (at 0 0 270) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4011,6 +4086,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7CEF)
     (at 80.1116 131.7244 270)
     (path /59506EAE)
+    (attr smd)
     (fp_text reference C14 (at 0 0.0508 270) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4030,6 +4106,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7CF5)
     (at 80.0862 129.4638 270)
     (path /59506764)
+    (attr smd)
     (fp_text reference C15 (at 0 0.0508 270) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4049,6 +4126,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7CFB)
     (at 85.598 128.9558 180)
     (path /59505F07)
+    (attr smd)
     (fp_text reference C16 (at 0 0.0508 180) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4068,6 +4146,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7D01)
     (at 116.4082 167.7416 270)
     (path /59504505)
+    (attr smd)
     (fp_text reference C17 (at 0 0.0508 270) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4087,6 +4166,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7D07)
     (at 123.5964 167.6908 270)
     (path /59504CB0)
+    (attr smd)
     (fp_text reference C18 (at 0 0.0508 270) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4106,6 +4186,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7D0D)
     (at 154.13736 129.3114 90)
     (path /59503551)
+    (attr smd)
     (fp_text reference C19 (at 0 0.0508 90) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4125,6 +4206,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7D13)
     (at 159.6136 129.4638 90)
     (path /59501F48)
+    (attr smd)
     (fp_text reference C20 (at 0 0.0508 90) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4144,6 +4226,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7D19)
     (at 159.6136 131.7244 90)
     (path /595027F2)
+    (attr smd)
     (fp_text reference C21 (at 0 0.0508 90) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4163,6 +4246,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7D1F)
     (at 154.1526 131.79552 90)
     (path /59503203)
+    (attr smd)
     (fp_text reference C22 (at 0 0.0508 90) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4182,6 +4266,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7D25)
     (at 113.87328 129.32664 90)
     (path /5950507B)
+    (attr smd)
     (fp_text reference C23 (at 0 0.0508 90) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4201,6 +4286,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7D2B)
     (at 124.41174 110.74146 90)
     (path /5950ECBD)
+    (attr smd)
     (fp_text reference C24 (at 0 0.0508 90) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4220,6 +4306,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7D31)
     (at 127.3556 116.8527)
     (path /5950F8F8)
+    (attr smd)
     (fp_text reference C25 (at 0 0.0508) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4239,6 +4326,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7D37)
     (at 127.29972 123.18492)
     (path /5951F244)
+    (attr smd)
     (fp_text reference C26 (at 0 0.0508) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4258,6 +4346,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7D3D)
     (at 128.1684 130.302)
     (path /595200CF)
+    (attr smd)
     (fp_text reference C27 (at 0 0.0508) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4277,6 +4366,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7D43)
     (at 113.9571 123.72594 270)
     (path /595064F7)
+    (attr smd)
     (fp_text reference C28 (at 0 0.0508 270) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4296,6 +4386,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7D49)
     (at 137.8077 108.28782 270)
     (path /5950C936)
+    (attr smd)
     (fp_text reference C29 (at 0 0.0508 270) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4315,6 +4406,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7D4F)
     (at 131.76504 117.30228)
     (path /595103E6)
+    (attr smd)
     (fp_text reference C30 (at 0 0.0508) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4334,6 +4426,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7D55)
     (at 132.52704 123.14428 180)
     (path /5951FCE0)
+    (attr smd)
     (fp_text reference C31 (at 0 0.0508 180) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4353,6 +4446,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7D5B)
     (at 132.02412 129.98196)
     (path /5951FEC9)
+    (attr smd)
     (fp_text reference C32 (at 0 0.0508) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4372,6 +4466,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 595A7D61)
     (at 113.67262 134.69112 90)
     (path /5953EF33)
+    (attr smd)
     (fp_text reference C33 (at 0 0.0508 90) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4391,6 +4486,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 59E123B3)
     (at 132.03936 131.38912)
     (path /59D87D2E)
+    (attr smd)
     (fp_text reference C34 (at 0 0.0508) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4410,6 +4506,7 @@
   (module gsg-modules:0402 (layer C1F) (tedit 4FB6CFE4) (tstamp 59E123BD)
     (at 141.53388 126.49962 180)
     (path /59D88437)
+    (attr smd)
     (fp_text reference C35 (at 0 0.0508 180) (layer F.SilkS)
       (effects (font (size 0.4064 0.4064) (thickness 0.1016)))
     )
@@ -4438,34 +4535,34 @@
   (gr_text A0 (at 150.2 158.7) (layer F.SilkS)
     (effects (font (size 0.8 0.6) (thickness 0.1)))
   )
-  (gr_text PB4 (at 173 113.725) (layer F.SilkS)
+  (gr_text B4 (at 173 113.725) (layer F.SilkS)
     (effects (font (size 1.016 0.762) (thickness 0.1905)))
   )
-  (gr_text PB3 (at 173 126.1) (layer F.SilkS)
+  (gr_text B3 (at 173 126.1) (layer F.SilkS)
     (effects (font (size 1.016 0.762) (thickness 0.1905)))
   )
-  (gr_text PB2 (at 167.5 138.475) (layer F.SilkS)
+  (gr_text B2 (at 167.5 138.475) (layer F.SilkS)
     (effects (font (size 1.016 0.762) (thickness 0.1905)))
   )
-  (gr_text PB1 (at 167.5 150.85) (layer F.SilkS)
+  (gr_text B1 (at 167.5 150.85) (layer F.SilkS)
     (effects (font (size 1.016 0.762) (thickness 0.1905)))
   )
-  (gr_text PB0 (at 173 163.25) (layer F.SilkS)
+  (gr_text B0 (at 173 163.25) (layer F.SilkS)
     (effects (font (size 1.016 0.762) (thickness 0.1905)))
   )
-  (gr_text PA4 (at 67 113.75) (layer F.SilkS)
+  (gr_text A4 (at 67 113.75) (layer F.SilkS)
     (effects (font (size 1.016 0.762) (thickness 0.1905)))
   )
-  (gr_text PA3 (at 67 126.125) (layer F.SilkS)
+  (gr_text A3 (at 67 126.125) (layer F.SilkS)
     (effects (font (size 1.016 0.762) (thickness 0.1905)))
   )
-  (gr_text PA2 (at 67 138.5) (layer F.SilkS)
+  (gr_text A2 (at 67 138.5) (layer F.SilkS)
     (effects (font (size 1.016 0.762) (thickness 0.1905)))
   )
-  (gr_text PA1 (at 67 150.875) (layer F.SilkS)
+  (gr_text A1 (at 67 150.875) (layer F.SilkS)
     (effects (font (size 1.016 0.762) (thickness 0.1905)))
   )
-  (gr_text PA0 (at 67 163.25) (layer F.SilkS)
+  (gr_text A0 (at 67 163.25) (layer F.SilkS)
     (effects (font (size 1.016 0.762) (thickness 0.1905)))
   )
   (gr_text J2 (at 96.25 167) (layer F.SilkS)
@@ -4597,7 +4694,7 @@
   (gr_text 1 (at 164.9 101.3) (layer C1F)
     (effects (font (size 1.016 1.016) (thickness 0.1778)))
   )
-  (gr_text "4 October 2016" (at 113.58 111.17) (layer F.SilkS)
+  (gr_text "30 October 2018" (at 113.58 111.17) (layer F.SilkS)
     (effects (font (size 1.778 1.27) (thickness 0.3048)))
   )
   (gr_text P9 (at 98.1 125.47) (layer F.SilkS)
@@ -4629,7 +4726,7 @@
   (gr_text P28 (at 119.5 143.25 90) (layer F.SilkS)
     (effects (font (size 1.016 0.762) (thickness 0.1905)))
   )
-  (gr_text http://greatscottgadgets.com/hackrf/ (at 152.8878 171.2154) (layer F.SilkS)
+  (gr_text https://greatscottgadgets.com/hackrf/ (at 152.8878 171.2154) (layer F.SilkS)
     (effects (font (size 1.778 1.27) (thickness 0.3048)))
   )
 
diff --git a/hardware/operacake/operacake.sch b/hardware/operacake/operacake.sch
index f458bc70..d7d2dcce 100644
--- a/hardware/operacake/operacake.sch
+++ b/hardware/operacake/operacake.sch
@@ -215,7 +215,9 @@ F 0 "P28" H 5550 10100 60  0000 C CNN
 F 1 "SD" V 5550 9500 60  0000 C CNN
 F 2 "gsg-modules:HEADER-2x11" H 5550 9500 60  0001 C CNN
 F 3 "" H 5550 9500 60  0001 C CNN
-F 4 "DNP" H 5550 8850 60  0000 C CNN "Note"
+F 4 "Samtec" H 5550 9500 60  0001 C CNN "Manufacturer"
+F 5 "SSQ-111-03-G-D" H 5550 9500 60  0001 C CNN "Part Number"
+F 6 "CONN RCPT .100\" 22POS DUAL GOLD" H 5550 9500 60  0001 C CNN "Description"
 	1    5550 9500
 	1    0    0    -1  
 $EndComp
@@ -238,6 +240,9 @@ F 0 "P22" H 6700 10300 50  0000 C CNN
 F 1 "I2S" V 6700 9600 40  0000 C CNN
 F 2 "gsg-modules:HEADER-2x13" H 6700 9600 60  0001 C CNN
 F 3 "" H 6700 9600 60  0001 C CNN
+F 4 "Samtec" H 6700 9600 60  0001 C CNN "Manufacturer"
+F 5 "SSQ-113-03-G-D" H 6700 9600 60  0001 C CNN "Part Number"
+F 6 "CONN RCPT .100\" 26POS DUAL GOLD" H 6700 9600 60  0001 C CNN "Description"
 	1    6700 9600
 	1    0    0    -1  
 $EndComp
@@ -2102,6 +2107,9 @@ F 0 "P20" H 8300 10100 60  0000 C CNN
 F 1 "GPIO" V 8300 9500 50  0000 C CNN
 F 2 "gsg-modules:HEADER-2x11" H 8300 9500 60  0001 C CNN
 F 3 "" H 8300 9500 60  0001 C CNN
+F 4 "Samtec" H 8300 9500 60  0001 C CNN "Manufacturer"
+F 5 "SSQ-111-03-G-D" H 8300 9500 60  0001 C CNN "Part Number"
+F 6 "CONN RCPT .100\" 22POS DUAL GOLD" H 8300 9500 60  0001 C CNN "Desciption"
 	1    8300 9500
 	1    0    0    -1  
 $EndComp
@@ -2113,6 +2121,9 @@ F 0 "P1" H 7850 7450 50  0000 C CNN
 F 1 "ADDRESS" H 7850 7050 50  0000 C CNN
 F 2 "gsg-modules:HEADER-2x3" H 7850 6050 60  0001 C CNN
 F 3 "" H 7850 6050 60  0000 C CNN
+F 4 "Omron" H 7850 7250 60  0001 C CNN "Manufacturer"
+F 5 "XG8T-0631" H 7850 7250 60  0001 C CNN "Part Number"
+F 6 "JUMPER PLUG 6POS DOUBLE ROW" H 7850 7250 60  0001 C CNN "Description"
 	1    7850 7250
 	1    0    0    -1  
 $EndComp
@@ -2176,7 +2187,10 @@ F 0 "P9" H 4450 9750 50  0000 C CNN
 F 1 "BASEBAND" V 4450 9300 50  0000 C CNN
 F 2 "gsg-modules:HEADER-2x8" H 4450 8100 60  0001 C CNN
 F 3 "" H 4450 8100 60  0000 C CNN
-F 4 "DNP" H 4450 8800 60  0000 C CNN "Note"
+F 4 "Samtec" H 4450 9300 60  0001 C CNN "Manufacturer"
+F 5 "SSQ-108-03-G-D" H 4450 9300 60  0001 C CNN "Part Number"
+F 6 "CONN RCPT .100\" 16POS DUAL GOLD" H 4450 9300 60  0001 C CNN "Description"
+F 7 "DNP" H 4450 8800 60  0000 C CNN "Note"
 	1    4450 9300
 	1    0    0    -1  
 $EndComp
@@ -2293,7 +2307,7 @@ SCL
 Text Notes 1750 6650 0    40   ~ 0
 test points
 Text Notes 9500 9900 0    40   ~ 0
-Quick mode: When enabled by !OE (U4 IO7), RF switches are\ncontrolled by GPIO instead of I2C.  U4 IO2 through IO6 must\nbe configured as inputs.
+Quick mode: When enabled by !OE (U4 IO7), RF switches are\ncontrolled by GPIO or SCT instead of I2C.  U4 IO2 through IO6\nmust be configured as inputs.
 Text Notes 12900 8050 0    40   ~ 0
 Control logic guarantees valid RF switch\nconfiguration and reduces the number\nof external control signals required.
 Text Notes 12700 2900 0    40   ~ 0
diff --git a/host/hackrf-tools/src/CMakeLists.txt b/host/hackrf-tools/src/CMakeLists.txt
index 40f11dc0..ee2dbb94 100644
--- a/host/hackrf-tools/src/CMakeLists.txt
+++ b/host/hackrf-tools/src/CMakeLists.txt
@@ -24,6 +24,8 @@
 set(INSTALL_DEFAULT_BINDIR "bin" CACHE STRING "Appended to CMAKE_INSTALL_PREFIX")
 
 find_package(FFTW REQUIRED)
+include_directories(${FFTW_INCLUDE_DIRS})
+link_directories(${FFTW_LIBRARY_DIRS})
 
 SET(TOOLS
 	hackrf_transfer
diff --git a/host/hackrf-tools/src/hackrf_operacake.c b/host/hackrf-tools/src/hackrf_operacake.c
index 01bd12a6..53bd754a 100644
--- a/host/hackrf-tools/src/hackrf_operacake.c
+++ b/host/hackrf-tools/src/hackrf_operacake.c
@@ -36,6 +36,9 @@ typedef int bool;
 #define FREQ_MAX_MHZ (7250) /* 7250 MHz */
 #define MAX_FREQ_RANGES 8
 
+#define INVALID_ADDRESS 0xFF
+#define INVALID_PORT 0xFF
+
 static void usage() {
 	printf("\nUsage:\n");
 	printf("\t-h, --help: this help\n");
@@ -45,12 +48,14 @@ static void usage() {
 	printf("\t-b <n>: set port B connection\n");
 	printf("\t-f <min:max:port>: automatically assign <port> for range <min:max> in MHz\n");
 	printf("\t-l, --list: list available operacake boards\n");
+	printf("\t-g, --gpio_test: test GPIO functionality of an opera cake\n");
 }
 
 static struct option long_options[] = {
 	{ "device", no_argument, 0, 'd' },
 	{ "address", no_argument, 0, 'o' },
-	{ "list", no_argument, 0, 'v' },
+	{ "list", no_argument, 0, 'l' },
+	{ "gpio_test", no_argument, 0, 'g' },
 	{ "help", no_argument, 0, 'h' },
 	{ 0, 0, 0, 0 },
 };
@@ -72,64 +77,75 @@ int parse_uint16(char* const s, uint16_t* const value) {
 	}
 }
 
-int parse_u16_range(char* s, hackrf_oc_range* range) {
-	int result = 0;
-	uint16_t tmp_port, port = 0;
+int parse_port(char* str, uint8_t* port) {
+	uint16_t tmp_port;
+	int result;
 
+	if(str[0] == 'A' || str[0] == 'B') {
+		// The port was specified as a side and number eg. A1 or B3
+		result = parse_uint16(str+1, &tmp_port);
+		if (result != HACKRF_SUCCESS)
+			return result;
+
+		if(tmp_port >= 5 || tmp_port <= 0) {
+			fprintf(stderr, "invalid port: %s\n", str);
+			return HACKRF_ERROR_INVALID_PARAM;
+		}
+
+		// Value was a valid port between 0-4
+		if(str[0] == 'A') {
+			// A1=0, A2=1, A3=2, A4=3
+			tmp_port -= 1;
+		} else {
+			// If B was specfied just add 4-1 ports
+			// B1=4, B2=5, B3=6, B4=7
+			tmp_port += 3;
+		}
+	} else {
+		result = parse_uint16(str, &tmp_port);
+		if (result != HACKRF_SUCCESS)
+			return result;
+	}
+	*port = tmp_port & 0xFF;
+	// printf("Port: %d\n", *port);
+	return HACKRF_SUCCESS;
+}
+
+int parse_range(char* s, hackrf_oc_range* range) {
+	int result;
 	char *sep = strchr(s, ':');
 	if (!sep)
 		return HACKRF_ERROR_INVALID_PARAM;
+	// Replace : separator to null terminate string for strtol()
 	*sep = 0;
+	sep++; // Skip past the separator
 
-	char *sep2 = strchr(sep+1, ':');
+	char *sep2 = strchr(sep, ':');
 	if (!sep2)
 		return HACKRF_ERROR_INVALID_PARAM;
+	// Replace : separator to null terminate string for strtol()
 	*sep2 = 0;
+	sep2++; // Skip past the separator
 
 	result = parse_uint16(s, &range->freq_min);
 	if (result != HACKRF_SUCCESS)
 		return result;
-	result = parse_uint16(sep + 1, &range->freq_max);
+	result = parse_uint16(sep, &range->freq_max);
 	if (result != HACKRF_SUCCESS)
 		return result;
-
-	sep2++; // Skip past the ':'
-	if(sep2[0] == 'A' || sep2[0] == 'B') {
-		// The port was specified as a side and number eg. A1 or B3
-		if(sep2[1] > 0x30 && sep2[1] < 0x35) {
-			tmp_port = sep2[1] - 0x30;
-			if(tmp_port >= 5 || tmp_port <= 0)
-				return HACKRF_ERROR_INVALID_PARAM;
-
-			// Value was a valid port between 0-4
-			if(sep2[0] == 'A') {
-				// A1=0, A2=1, A3=2, A4=3
-				port = (uint16_t) tmp_port-1;
-			} else {
-				// If B was specfied just add 4-1 ports
-				// B1=4, B2=5, B3=6, B4=7
-				port = (uint16_t) tmp_port+3;
-			}
-			//printf("Setting port %c%c to port %d\n", sep2[0], sep2[1], (uint16_t)port);
-		}
-	} else {
-		result = parse_uint16(sep2, &port);
-		if (result != HACKRF_SUCCESS)
-			return result;
-	}
-	range->port = port & 0xFF;
-
-	return HACKRF_SUCCESS;
+	result = parse_port(sep2, &(range->port));
+	return result;
 }
 
 int main(int argc, char** argv) {
 	int opt;
 	const char* serial_number = NULL;
-	int operacake_address = 0;
-	int port_a = 0;
-	int port_b = 0;
+	uint8_t operacake_address = INVALID_ADDRESS;
+	uint8_t port_a = INVALID_PORT;
+	uint8_t port_b = INVALID_PORT;
 	bool set_ports = false;
 	bool list = false;
+	bool gpio_test = false;
 	uint8_t operacakes[8];
 	uint8_t operacake_count = 0;
 	int i = 0;
@@ -144,7 +160,7 @@ int main(int argc, char** argv) {
 		return -1;
 	}
 
-	while( (opt = getopt_long(argc, argv, "d:o:a:b:lf:h?", long_options, &option_index)) != EOF ) {
+	while( (opt = getopt_long(argc, argv, "d:o:a:b:lf:hg?", long_options, &option_index)) != EOF ) {
 		switch( opt ) {
 		case 'd':
 			serial_number = optarg;
@@ -152,11 +168,21 @@ int main(int argc, char** argv) {
 
 		case 'o':
 			operacake_address = atoi(optarg);
-			set_ports = true;
 			break;
 
 		case 'f':
-			result = parse_u16_range(optarg, &ranges[range_idx]);
+			if(MAX_FREQ_RANGES == range_idx) {
+				fprintf(stderr,
+						"argument error: specify a maximum of %u frequency ranges.\n",
+						MAX_FREQ_RANGES);
+				usage();
+				return EXIT_FAILURE;
+			}
+			result = parse_range(optarg, &ranges[range_idx]);
+			if (result != HACKRF_SUCCESS) {
+				fprintf(stderr, "failed to parse range\n");
+				return EXIT_FAILURE;
+			}
 			if(ranges[range_idx].freq_min >= ranges[range_idx].freq_max) {
 				fprintf(stderr,
 						"argument error: freq_max must be greater than freq_min.\n");
@@ -170,26 +196,35 @@ int main(int argc, char** argv) {
 				usage();
 				return EXIT_FAILURE;
 			}
-			if(MAX_FREQ_RANGES <= range_idx++) {
-				fprintf(stderr,
-						"argument error: specify a maximum of %u frequency ranges.\n",
-						MAX_FREQ_RANGES);
-				usage();
-				return EXIT_FAILURE;
-			}
+			range_idx++;
 			break;
 
 		case 'a':
-			port_a = atoi(optarg);
+			result = parse_port(optarg, &port_a);
+			if (result != HACKRF_SUCCESS) {
+				fprintf(stderr, "failed to parse port\n");
+				return EXIT_FAILURE;
+			}
+			set_ports = true;
 			break;
 
 		case 'b':
-			port_b = atoi(optarg);
+			result = parse_port(optarg, &port_b);
+			if (result != HACKRF_SUCCESS) {
+				fprintf(stderr, "failed to parse port\n");
+				return EXIT_FAILURE;
+			}
+			set_ports = true;
 			break;
 
 		case 'l':
 			list = true;
 			break;
+
+		case 'g':
+			gpio_test = true;
+			break;
+
 		case 'h':
 		case '?':
 			usage();
@@ -202,8 +237,14 @@ int main(int argc, char** argv) {
 		}
 	}
 
-	if(!(list || set_ports || range_idx)) {
-		fprintf(stderr, "Specify either list or address option.\n");
+	if(!(list || set_ports || range_idx || gpio_test)) {
+		fprintf(stderr, "Specify either list, address, or GPIO test option.\n");
+		usage();
+		return EXIT_FAILURE;
+	}
+
+	if((set_ports || gpio_test) && (operacake_address == INVALID_ADDRESS)) {
+		fprintf(stderr, "An address is required.\n");
 		usage();
 		return EXIT_FAILURE;
 	}
@@ -234,16 +275,82 @@ int main(int argc, char** argv) {
 		printf("\n");
 	}
 
+	if(gpio_test) {
+		uint16_t test_result;
+		uint8_t reg, mask = 0x7;
+		result = hackrf_operacake_gpio_test(device, operacake_address, &test_result);
+		if (result != HACKRF_SUCCESS) {
+			fprintf(stderr, "hackrf_operacake_gpio_test() failed: %s (%d)\n",
+					hackrf_error_name(result), result);
+			return EXIT_FAILURE;
+		}
+		
+		if(test_result) {
+			fprintf(stderr, "GPIO test failed\n");
+			fprintf(stderr, "Pin\tHigh\tShorts\tLow\n");
+			reg = test_result & mask;
+			fprintf(stderr, "u2ctrl1\t%d\t%d\t%d\n",
+			        (reg>>2) & 1,
+					(reg>>1) & 1,
+					reg & 1);
+			test_result >>= 3;
+			reg = test_result & mask;
+			fprintf(stderr, "u2ctrl0\t%d\t%d\t%d\n",
+			        (reg>>2) & 1,
+					(reg>>1) & 1,
+					reg & 1);
+			test_result >>= 3;
+			reg = test_result & mask;
+			fprintf(stderr, "u3ctrl1\t%d\t%d\t%d\n",
+			        (reg>>2) & 1,
+					(reg>>1) & 1,
+					reg & 1);
+			test_result >>= 3;
+			reg = test_result & mask;
+			fprintf(stderr, "u3ctrl0\t%d\t%d\t%d\n",
+			        (reg>>2) & 1,
+					(reg>>1) & 1,
+					reg & 1);
+			test_result >>= 3;
+			reg = test_result & mask;
+			fprintf(stderr, "u1ctrl \t%d\t%d\t%d\n",
+			        (reg>>2) & 1,
+					(reg>>1) & 1,
+					reg & 1);
+		} else {
+			fprintf(stderr, "GPIO test passed\n");
+		}
+	}
+
 	if(set_ports) {
+		// Set other port to "don't care" if not set
+		if(port_a == INVALID_PORT) {
+			if(port_b >= 4) {
+				port_a = 0;
+			} else {
+				port_a = 4;
+			}
+		}
+		if(port_b == INVALID_PORT) {
+			if(port_a >= 4) {
+				port_b = 0;
+			} else {
+				port_b = 4;
+			}
+		}
+		if(((port_a<=3) && (port_b<=3)) || ((port_a>=4) && (port_b>=4))) {
+			fprintf(stderr, "Port A and B cannot be connected to the same side\n");
+				return EXIT_FAILURE;
+		}
 		result = hackrf_set_operacake_ports(device, operacake_address, port_a, port_b);
 		if( result ) {
 			printf("hackrf_set_operacake_ports() failed: %s (%d)\n", hackrf_error_name(result), result);
-			return -1;
+			return EXIT_FAILURE;
 		}
 	}
 
 	if(range_idx) {
-		uint8_t range_bytes[MAX_FREQ_RANGES * 5];
+		uint8_t range_bytes[MAX_FREQ_RANGES * sizeof(hackrf_oc_range)];
 		uint8_t ptr;
 		for(i=0; i<range_idx; i++) {
 			ptr = 5*i;
diff --git a/host/hackrf-tools/src/hackrf_sweep.c b/host/hackrf-tools/src/hackrf_sweep.c
index 8b038841..3d4fd043 100644
--- a/host/hackrf-tools/src/hackrf_sweep.c
+++ b/host/hackrf-tools/src/hackrf_sweep.c
@@ -102,10 +102,13 @@ int gettimeofday(struct timeval *tv, void* ignored) {
 #define THROWAWAY_BLOCKS 2
 
 #if defined _WIN32
-	#define sleep(a) Sleep( (a*1000) )
+	#define m_sleep(a) Sleep( (a) )
+#else
+	#define m_sleep(a) usleep((a*1000))
 #endif
 
 uint32_t num_samples = SAMPLES_PER_BLOCK;
+uint32_t num_sweeps = 0;
 int num_ranges = 0;
 uint16_t frequencies[MAX_SWEEP_RANGES*2];
 int step_count;
@@ -179,6 +182,7 @@ uint32_t antenna_enable;
 bool binary_output = false;
 bool ifft_output = false;
 bool one_shot = false;
+bool finite_mode = false;
 volatile bool sweep_started = false;
 
 int fftSize = 20;
@@ -245,6 +249,9 @@ int rx_callback(hackrf_transfer* transfer) {
 				if(one_shot) {
 					do_exit = true;
 				}
+				else if(finite_mode && sweep_count == num_sweeps) {
+					do_exit = true;
+				}
 			}
 			sweep_started = true;
 			time_stamp = usb_transfer_time;
@@ -352,6 +359,7 @@ static void usage() {
 	fprintf(stderr, "\t[-n num_samples] # Number of samples per frequency, 8192-4294967296\n");
 	fprintf(stderr, "\t[-w bin_width] # FFT bin width (frequency resolution) in Hz\n");
 	fprintf(stderr, "\t[-1] # one shot mode\n");
+	fprintf(stderr, "\t[-N num_sweeps] # Number of sweeps to perform\n");
 	fprintf(stderr, "\t[-B] # binary output\n");
 	fprintf(stderr, "\t[-I] # binary inverse FFT output\n");
 	fprintf(stderr, "\t-r filename # output file\n");
@@ -393,7 +401,7 @@ int main(int argc, char** argv) {
 	uint32_t requested_fft_bin_width;
 
 
-	while( (opt = getopt(argc, argv, "a:f:p:l:g:d:n:w:1BIr:h?")) != EOF ) {
+	while( (opt = getopt(argc, argv, "a:f:p:l:g:d:n:N:w:1BIr:h?")) != EOF ) {
 		result = HACKRF_SUCCESS;
 		switch( opt ) 
 		{
@@ -450,6 +458,11 @@ int main(int argc, char** argv) {
 			result = parse_u32(optarg, &num_samples);
 			break;
 
+		case 'N':
+			finite_mode = true;
+			result = parse_u32(optarg, &num_sweeps);
+			break;
+
 		case 'w':
 			result = parse_u32(optarg, &requested_fft_bin_width);
 			fftSize = DEFAULT_SAMPLE_RATE_HZ / requested_fft_bin_width;
@@ -693,8 +706,8 @@ int main(int argc, char** argv) {
 	fprintf(stderr, "Stop with Ctrl-C\n");
 	while((hackrf_is_streaming(device) == HACKRF_TRUE) && (do_exit == false)) {
 		float time_difference;
-		sleep(1);
-		
+		m_sleep(50);
+
 		gettimeofday(&time_now, NULL);
 		
 		time_difference = TimevalDiff(&time_now, &t_start);
diff --git a/host/libhackrf/src/hackrf.c b/host/libhackrf/src/hackrf.c
index 3da23019..322bb448 100644
--- a/host/libhackrf/src/hackrf.c
+++ b/host/libhackrf/src/hackrf.c
@@ -83,6 +83,7 @@ typedef enum {
 	HACKRF_VENDOR_REQUEST_CLKOUT_ENABLE = 32,
 	HACKRF_VENDOR_REQUEST_SPIFLASH_STATUS = 33,
 	HACKRF_VENDOR_REQUEST_SPIFLASH_CLEAR_STATUS = 34,
+	HACKRF_VENDOR_REQUEST_OPERACAKE_GPIO_TEST = 35,
 } hackrf_vendor_request;
 
 #define USB_CONFIG_STANDARD 0x1
@@ -113,6 +114,7 @@ struct hackrf_device {
 	volatile bool streaming; /* volatile shared between threads (read only) */
 	void* rx_ctx;
 	void* tx_ctx;
+	volatile bool do_exit;
 	unsigned char buffer[TRANSFER_COUNT * TRANSFER_BUFFER_SIZE];
 };
 
@@ -146,8 +148,6 @@ hackrf_usb_api_version_read(device, &usb_version); \
 if(usb_version < version)                          \
 	return HACKRF_ERROR_USB_API_VERSION;
 
-static volatile bool do_exit = false;
-
 static const uint16_t hackrf_usb_vid = 0x1d50;
 static const uint16_t hackrf_jawbreaker_usb_pid = 0x604b;
 static const uint16_t hackrf_one_usb_pid = 0x6089;
@@ -157,9 +157,9 @@ static uint16_t open_devices = 0;
 static libusb_context* g_libusb_context = NULL;
 int last_libusb_error = LIBUSB_SUCCESS;
 
-static void request_exit(void)
+static void request_exit(hackrf_device* device)
 {
-	do_exit = true;
+	device->do_exit = true;
 }
 
 static int cancel_transfers(hackrf_device* device)
@@ -568,7 +568,7 @@ static int hackrf_open_setup(libusb_device_handle* usb_device, hackrf_device** d
 	lib_device->callback = NULL;
 	lib_device->transfer_thread_started = false;
 	lib_device->streaming = false;
-	do_exit = false;
+	lib_device->do_exit = false;
 
 	result = allocate_transfers(lib_device);
 	if( result != 0 )
@@ -1478,7 +1478,7 @@ static void* transfer_threadproc(void* arg)
 	int error;
 	struct timeval timeout = { 0, 500000 };
 
-	while( (device->streaming) && (do_exit == false) )
+	while( (device->streaming) && (device->do_exit == false) )
 	{
 		error = libusb_handle_events_timeout(g_libusb_context, &timeout);
 		if( (error != 0) && (error != LIBUSB_ERROR_INTERRUPTED) )
@@ -1509,12 +1509,12 @@ static void LIBUSB_CALL hackrf_libusb_transfer_callback(struct libusb_transfer*
 		{
 			if( libusb_submit_transfer(usb_transfer) < 0)
 			{
-				request_exit();
+				request_exit(device);
 			}else {
 				return;
 			}
 		}else {
-			request_exit();
+			request_exit(device);
 		}
 	} else {
 		/* Other cases LIBUSB_TRANSFER_NO_DEVICE
@@ -1522,7 +1522,7 @@ static void LIBUSB_CALL hackrf_libusb_transfer_callback(struct libusb_transfer*
 		LIBUSB_TRANSFER_STALL,	LIBUSB_TRANSFER_OVERFLOW
 		LIBUSB_TRANSFER_CANCELLED ...
 		*/
-		request_exit(); /* Fatal error stop transfer */
+		request_exit(device); /* Fatal error stop transfer */
 	}
 }
 
@@ -1531,7 +1531,7 @@ static int kill_transfer_thread(hackrf_device* device)
 	void* value;
 	int result;
 	
-	request_exit();
+	request_exit(device);
 
 	if( device->transfer_thread_started != false )
 	{
@@ -1551,15 +1551,15 @@ static int kill_transfer_thread(hackrf_device* device)
 }
 
 static int create_transfer_thread(hackrf_device* device,
-									const uint8_t endpoint_address,
-									hackrf_sample_block_cb_fn callback)
+	const uint8_t endpoint_address,
+		hackrf_sample_block_cb_fn callback)
 {
 	int result;
 	
 	if( device->transfer_thread_started == false )
 	{
 		device->streaming = false;
-		do_exit = false;
+		device->do_exit = false;
 
 		result = prepare_transfers(
 			device, endpoint_address,
@@ -1593,7 +1593,7 @@ int ADDCALL hackrf_is_streaming(hackrf_device* device)
 	
 	if( (device->transfer_thread_started == true) &&
 		(device->streaming == true) && 
-		(do_exit == false) )
+		(device->do_exit == false) )
 	{
 		return HACKRF_TRUE;
 	} else {
@@ -1736,7 +1736,7 @@ const char* ADDCALL hackrf_error_name(enum hackrf_error errcode)
 		return "feature not supported by installed firmware";
 
 	case HACKRF_ERROR_NOT_LAST_DEVICE:
-		return "some hackrf is sill in use";
+		return "one or more HackRFs still in use";
 
 	case HACKRF_ERROR_OTHER:
 		return "unspecified error";
@@ -2080,6 +2080,30 @@ int ADDCALL hackrf_set_clkout_enable(hackrf_device* device, const uint8_t value)
 	}
 }
 
+int ADDCALL hackrf_operacake_gpio_test(hackrf_device* device, const uint8_t address,
+                                       uint16_t* test_result)
+{
+	USB_API_REQUIRED(device, 0x0103)
+	int result;
+	result = libusb_control_transfer(
+		device->usb_device,
+		LIBUSB_ENDPOINT_IN | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE,
+		HACKRF_VENDOR_REQUEST_OPERACAKE_GPIO_TEST,
+		address,
+		0,
+		(unsigned char*)test_result,
+		2,
+		0
+	);
+
+	if (result < 1) {
+		last_libusb_error = result;
+		return HACKRF_ERROR_LIBUSB;
+	} else {
+		return HACKRF_SUCCESS;
+	}
+}
+
 #ifdef __cplusplus
 } // __cplusplus defined.
 #endif
diff --git a/host/libhackrf/src/hackrf.h b/host/libhackrf/src/hackrf.h
index 476cc571..abd7debd 100644
--- a/host/libhackrf/src/hackrf.h
+++ b/host/libhackrf/src/hackrf.h
@@ -251,6 +251,10 @@ extern ADDAPI int ADDCALL hackrf_set_operacake_ranges(hackrf_device* device,
 
 extern ADDAPI int ADDCALL hackrf_set_clkout_enable(hackrf_device* device, const uint8_t value);
 
+extern ADDAPI int ADDCALL hackrf_operacake_gpio_test(hackrf_device* device,
+                                                     uint8_t address,
+													 uint16_t* test_result);
+
 #ifdef __cplusplus
 } // __cplusplus defined.
 #endif
diff --git a/tools/deploy-nightly.sh b/tools/deploy-nightly.sh
new file mode 100644
index 00000000..4a0ded5a
--- /dev/null
+++ b/tools/deploy-nightly.sh
@@ -0,0 +1,48 @@
+#!/bin/bash
+REPO=greatscottgadgets/hackrf-nightly
+PUBLICATION_BRANCH=master
+# set -x
+cd $HOME
+# Checkout the branch
+git clone --branch=$PUBLICATION_BRANCH https://${GITHUB_TOKEN}@github.com/$REPO.git publish
+cd publish
+# Update pages
+cp $ARTEFACT_BASE/$BUILD_NAME.tar.xz .
+# Write index page
+cd $TRAVIS_BUILD_DIR
+COMMITS=`git log --oneline | awk '{print $1}'`
+cd $HOME/publish
+echo "
+<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">
+<html><head>
+	<meta http-equiv=\"content-type\" content=\"text/html; charset=UTF-8\">
+	<title>HackRF Nightly Builds</title>
+</head>
+<body>
+<h2>HackRF Nightly Builds</h2>
+" > index.html
+
+URL=https://greatscottgadgets.github.io/hackrf-nightly
+
+for commit in $COMMITS; do
+    FILENAME=`find . -maxdepth 1  -name "*-$commit.tar.xz"`
+    if [ "$FILENAME" != "" ]; then
+        FN=${FILENAME:2}
+        echo "<a href=\"$URL/$FN\">$FN</a><br />" >> index.html
+    fi
+    
+done
+
+echo "
+</body></html>
+" >> index.html
+
+# Commit and push latest version
+git add $BUILD_NAME.tar.xz index.html
+git config user.name  "Travis"
+git config user.email "travis@travis-ci.org"
+git commit -m "Build products for $SHORT_COMMIT_HASH, built on $TRAVIS_OS_NAME, log: $TRAVIS_BUILD_WEB_URL"
+if [ "$?" != "0" ]; then
+    echo "Looks like the commit failed"
+fi
+git push -fq origin $PUBLICATION_BRANCH
\ No newline at end of file