LPC1788 updates from Rommel Marcelo; NUC120 updates

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5658 42af7a65-404d-4744-a932-0658087f49c3

6 files changed, 475 insertions, 31 deletions

diff --git a/nuttx/configs/nutiny-nuc120/include/Makefile b/nuttx/configs/nutiny-nuc120/include/Makefile
deleted file mode 100644
index e69de29bb..000000000
--- a/nuttx/configs/nutiny-nuc120/include/Makefile
+++ /dev/null
diff --git a/nuttx/configs/nutiny-nuc120/include/board.h b/nuttx/configs/nutiny-nuc120/include/board.h
index dab279878..276ce5d04 100644
--- a/nuttx/configs/nutiny-nuc120/include/board.h
+++ b/nuttx/configs/nutiny-nuc120/include/board.h
@@ -34,8 +34,8 @@
  *
  ************************************************************************************/
 
-#ifndef _BITNO
-#define _BITNO
+#ifndef __CONFIGS_NUTINY_NUC12_INCLUDE_BOARD_H
+#define __CONFIGS_NUTINY_NUC12_INCLUDE_BOARD_H
 
 /************************************************************************************
  * Included Files
@@ -54,18 +54,11 @@
 
 /* LED definitions ******************************************************************/
 /* The NuTiny has a single green LED that can be controlled from sofware.  This LED
- * is connected to PIN17.
+ * is connected to PIN17.  It is pulled high so a low value will illuminate the LED.
  */
 
-/* LED index values for use with nuc_setled() */
-
-#define BOARD_LED         0 /* Green LED */
 #define BOARD_NLEDS       1
 
-/* LED bits for use with nuc_setleds() */
-
-#define BOARD_LED_BIT     (1 << BOARD_LED)
-
 /* If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board the
  * NuTiny.  The following definitions describe how NuttX controls the LEDs:
  *
@@ -80,7 +73,7 @@
  *   LED_SIGNAL           In a signal handler      LED might glow
  *   LED_ASSERTION        An assertion failed      LED ON while handling the assertion
  *   LED_PANIC            The system has crashed   LED Blinking at 2Hz
- *   LED_IDLE             STM32 is is sleep mode   (Optional, not used)
+ *   LED_IDLE             NUC1XX is is sleep mode   (Optional, not used)
  */
 
 #define LED_STARTED       0
@@ -106,7 +99,8 @@
 #undef EXTERN
 #if defined(__cplusplus)
 #define EXTERN extern "C"
-extern "C" {
+extern "C"
+{
 #else
 #define EXTERN extern
 #endif
@@ -118,29 +112,13 @@ extern "C" {
  * Name: nuc_boardinitialize
  *
  * Description:
- *   All STM32 architectures must provide the following entry point.  This entry point
+ *   All NUC1XX architectures must provide the following entry point.  This entry point
  *   is called early in the intitialization -- after all memory has been configured
  *   and mapped but before any devices have been initialized.
  *
  ************************************************************************************/
 
-EXTERN void nuc_boardinitialize(void);
-
-/************************************************************************************
- * Name:  nuc_ledinit, nuc_setled, and nuc_setleds
- *
- * Description:
- *   If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board LEDs.  If
- *   CONFIG_ARCH_LEDS is not defined, then the following interfacesare available to
- *   control the LEDs from user applications.
- *
- ************************************************************************************/
-
-#ifndef CONFIG_ARCH_LEDS
-EXTERN void nuc_ledinit(void);
-EXTERN void nuc_setled(int led, bool ledon);
-EXTERN void nuc_setleds(uint8_t ledset);
-#endif
+void nuc_boardinitialize(void);
 
 #undef EXTERN
 #if defined(__cplusplus)
@@ -148,4 +126,4 @@ EXTERN void nuc_setleds(uint8_t ledset);
 #endif
 
 #endif /* __ASSEMBLY__ */
-#endif  /* _BITNO */
+#endif  /* __CONFIGS_NUTINY_NUC12_INCLUDE_BOARD_H */
diff --git a/nuttx/configs/nutiny-nuc120/src/Makefile b/nuttx/configs/nutiny-nuc120/src/Makefile
new file mode 100644
index 000000000..7f05612d8
--- /dev/null
+++ b/nuttx/configs/nutiny-nuc120/src/Makefile
@@ -0,0 +1,116 @@
+############################################################################
+# configs/nutiny-nuc120/src/Makefile
+#
+#   Copyright (C) 2013 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+-include $(TOPDIR)/Make.defs
+
+CFLAGS += -I$(TOPDIR)/sched
+
+ASRCS = 
+AOBJS = $(ASRCS:.S=$(OBJEXT))
+
+CSRCS = nuc_boardinitialize.c 
+
+ifeq ($(CONFIG_HAVE_CXX),y)
+CSRCS += nuc_cxxinitialize.c
+endif
+
+ifeq ($(CONFIG_ARCH_LEDS),y)
+CSRCS += nuc_led.c
+endif
+
+ifeq ($(CONFIG_NUC1XX_USBD),y)
+CSRCS += nuc_usbd.c
+endif
+
+ifeq ($(CONFIG_PWM),y)
+CSRCS += nuc_pwm.c
+endif
+
+ifeq ($(CONFIG_QENCODER),y)
+CSRCS += nuc_qencoder.c
+endif
+
+ifeq ($(CONFIG_WATCHDOG),y)
+CSRCS += nuc_watchdog.c
+endif
+
+ifeq ($(CONFIG_NSH_ARCHINIT),y)
+CSRCS += nuc_nsh.c
+endif
+
+COBJS = $(CSRCS:.c=$(OBJEXT))
+
+SRCS = $(ASRCS) $(CSRCS)
+OBJS = $(AOBJS) $(COBJS)
+
+ARCH_SRCDIR = $(TOPDIR)/arch/$(CONFIG_ARCH)/src
+ifeq ($(CONFIG_WINDOWS_NATIVE),y)
+  CFLAGS += -I$(ARCH_SRCDIR)\chip -I$(ARCH_SRCDIR)\common -I$(ARCH_SRCDIR)\armv7-m
+else
+ifeq ($(WINTOOL),y)
+  CFLAGS += -I "${shell cygpath -w $(ARCH_SRCDIR)/chip}" \
+			-I "${shell cygpath -w $(ARCH_SRCDIR)/common}" \
+			-I "${shell cygpath -w $(ARCH_SRCDIR)/armv7-m}"
+else
+  CFLAGS += -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common -I$(ARCH_SRCDIR)/armv7-m
+endif
+endif
+
+all: libboard$(LIBEXT)
+
+$(AOBJS): %$(OBJEXT): %.S
+	$(call ASSEMBLE, $<, $@)
+
+$(COBJS) $(LINKOBJS): %$(OBJEXT): %.c
+	$(call COMPILE, $<, $@)
+
+libboard$(LIBEXT): $(OBJS)
+	$(call ARCHIVE, $@, $(OBJS))
+
+.depend: Makefile $(SRCS)
+	$(Q) $(MKDEP) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
+	$(Q) touch $@
+
+depend: .depend
+
+clean:
+	$(call DELFILE, libboard$(LIBEXT))
+	$(call CLEAN)
+
+distclean: clean
+	$(call DELFILE, Make.dep)
+	$(call DELFILE, .depend)
+
+-include Make.dep
diff --git a/nuttx/configs/nutiny-nuc120/src/nuc_boardinitialize.c b/nuttx/configs/nutiny-nuc120/src/nuc_boardinitialize.c
new file mode 100644
index 000000000..490413d3b
--- /dev/null
+++ b/nuttx/configs/nutiny-nuc120/src/nuc_boardinitialize.c
@@ -0,0 +1,102 @@
+/************************************************************************************
+ * configs/nutiny-nuc120/src/up_boot.c
+ * arch/arm/src/board/up_boot.c
+ *
+ *   Copyright (C) 2013 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <debug.h>
+
+#include <arch/board/board.h>
+
+#include "up_arch.h"
+#include "nutiny-nuc120.h"
+
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Private Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Name: nuc_boardinitialize
+ *
+ * Description:
+ *   All NUC1XX architectures must provide the following entry point.  This entry point
+ *   is called early in the intitialization -- after all memory has been configured
+ *   and mapped but before any devices have been initialized.
+ *
+ ************************************************************************************/
+
+void nuc_boardinitialize(void)
+{
+  /* Configure SPI chip selects if 1) SPI is not disabled, and 2) the weak function
+   * nuc_spiinitialize() has been brought into the link.
+   */
+
+#if defined(CONFIG_NUC1XX_SPI1) || defined(CONFIG_NUC1XX_SPI2) || defined(CONFIG_NUC1XX_SPI3)
+  if (nuc_spiinitialize)
+    {
+      nuc_spiinitialize();
+    }
+#endif
+
+  /* Initialize USB if the 1) USB device controller is in the configuration and 2)
+   * disabled, and 3) the weak function nuc_usbinitialize() has been brought 
+   * into the build. Presumeably either CONFIG_USBDEV is also selected.
+   */
+
+#ifdef CONFIG_NUC1XX_USB
+  if (nuc_usbinitialize)
+    {
+      nuc_usbinitialize();
+    }
+#endif
+
+  /* Configure on-board LED if LED support has been selected. */
+
+#ifdef CONFIG_ARCH_LEDS
+  nuc_ledinit();
+#endif
+}
diff --git a/nuttx/configs/nutiny-nuc120/src/nuc_led.c b/nuttx/configs/nutiny-nuc120/src/nuc_led.c
new file mode 100644
index 000000000..873a116e3
--- /dev/null
+++ b/nuttx/configs/nutiny-nuc120/src/nuc_led.c
@@ -0,0 +1,132 @@
+/****************************************************************************
+ * configs/nutiny-nuc120/src/up_autoleds.c
+ * arch/arm/src/board/up_autoleds.c
+ *
+ *   Copyright (C) 2013 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+/* The NuTiny has a single green LED that can be controlled from sofware.
+ * This LED is connected to PIN17.  It is pulled high so a low value will
+ * illuminate the LED.
+ *
+ * If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board the
+ * NuTiny.  The following definitions describe how NuttX controls the LEDs:
+ *
+ *   SYMBOL                Meaning                 LED state
+ *                                                 Initially all LED is OFF
+ *   -------------------  -----------------------  ------------- ------------
+ *   LED_STARTED          NuttX has been started   LED ON
+ *   LED_HEAPALLOCATE     Heap has been allocated  LED ON
+ *   LED_IRQSENABLED      Interrupts enabled       LED ON
+ *   LED_STACKCREATED     Idle stack created       LED ON
+ *   LED_INIRQ            In an interrupt          LED should glow
+ *   LED_SIGNAL           In a signal handler      LED might glow
+ *   LED_ASSERTION        An assertion failed      LED ON while handling the assertion
+ *   LED_PANIC            The system has crashed   LED Blinking at 2Hz
+ *   LED_IDLE             NUC1XX is is sleep mode   (Optional, not used)
+ */
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <debug.h>
+
+#include <arch/board/board.h>
+
+#include "chip.h"
+#include "nuc_gpio.h"
+#include "nutiny-nuc120.h"
+
+#ifdef CONFIG_ARCH_LEDS
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/* Enables debug output from this file (needs CONFIG_DEBUG with
+ * CONFIG_DEBUG_VERBOSE too)
+ */
+
+#undef LED_DEBUG  /* Define to enable debug */
+
+#ifdef LED_DEBUG
+#  define leddbg  lldbg
+#  define ledvdbg llvdbg
+#else
+#  define leddbg(x...)
+#  define ledvdbg(x...)
+#endif
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: up_ledinit
+ ****************************************************************************/
+
+void up_ledinit(void)
+{
+  nuc_configgpio(GPIO_LED);
+}
+
+/****************************************************************************
+ * Name: up_ledon
+ ****************************************************************************/
+
+void up_ledon(int led)
+{
+  nuc_gpiowrite(GPIO_LED, false);
+}
+
+/****************************************************************************
+ * Name: up_ledoff
+ ****************************************************************************/
+
+void up_ledoff(int led)
+{
+  nuc_gpiowrite(GPIO_LED, true);
+}
+
+#endif /* CONFIG_ARCH_LEDS */
diff --git a/nuttx/configs/nutiny-nuc120/src/nutiny-nuc120.h b/nuttx/configs/nutiny-nuc120/src/nutiny-nuc120.h
new file mode 100644
index 000000000..f7f3184bc
--- /dev/null
+++ b/nuttx/configs/nutiny-nuc120/src/nutiny-nuc120.h
@@ -0,0 +1,116 @@
+/****************************************************************************************************
+ * configs/nutiny-nuc120/src/nutiny-nuc120.h
+ * arch/arm/src/board/nutiny-nuc120.n
+ *
+ *   Copyright (C) 2013 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************************************/
+
+#ifndef __CONFIGS_NUTINY_NUC120_SRC_NUTINY_NUC120_H
+#define __CONFIGS_NUTINY_NUC120_SRC_NUTINY_NUC120_H
+
+/****************************************************************************************************
+ * Included Files
+ ****************************************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/compiler.h>
+#include <stdint.h>
+
+/****************************************************************************************************
+ * Definitions
+ ****************************************************************************************************/
+/* Configuration ************************************************************************************/
+
+/* NuTiny-EVB-120 GPIOs *****************************************************************************/
+/* The NuTiny has a single green LED that can be controlled from sofware.  This LED
+ * is connected to PIN17.  It is pulled high so a low value will illuminate the LED.
+ *
+ * If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board the
+ * NuTiny.  The following definitions describe how NuttX controls the LEDs:
+ *
+ *   SYMBOL                Meaning                 LED state
+ *                                                 Initially all LED is OFF
+ *   -------------------  -----------------------  ------------- ------------
+ *   LED_STARTED          NuttX has been started   LED ON
+ *   LED_HEAPALLOCATE     Heap has been allocated  LED ON
+ *   LED_IRQSENABLED      Interrupts enabled       LED ON
+ *   LED_STACKCREATED     Idle stack created       LED ON
+ *   LED_INIRQ            In an interrupt          LED should glow
+ *   LED_SIGNAL           In a signal handler      LED might glow
+ *   LED_ASSERTION        An assertion failed      LED ON while handling the assertion
+ *   LED_PANIC            The system has crashed   LED Blinking at 2Hz
+ *   LED_IDLE             NUC1XX is is sleep mode   (Optional, not used)
+ */
+
+/* Button definitions ***************************************************************/
+/* The NuTiny has no buttons */
+
+/****************************************************************************************************
+ * Public Types
+ ****************************************************************************************************/
+
+/****************************************************************************************************
+ * Public data
+ ****************************************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+/****************************************************************************************************
+ * Public Functions
+ ****************************************************************************************************/
+
+/****************************************************************************************************
+ * Name: nuc_spiinitialize
+ *
+ * Description:
+ *   Called to configure SPI chip select GPIO pins for the NuTiny-EVB-120 board.
+ *
+ ****************************************************************************************************/
+
+void weak_function nuc_spiinitialize(void);
+
+/****************************************************************************************************
+ * Name: nuc_usbinitialize
+ *
+ * Description:
+ *   Called from nuc_usbinitialize very early in inialization to setup USB-related
+ *   GPIO pins for the NuTiny-EVB-120 board.
+ *
+ ****************************************************************************************************/
+
+#ifdef CONFIG_STM32_USB
+void weak_function nuc_usbinitialize(void);
+#endif
+
+#endif /* __ASSEMBLY__ */
+#endif /* __CONFIGS_NUTINY_NUC120_SRC_NUTINY_NUC120_H */
+