Tinkering with USB MSC device on PIC32 -- doesn't work

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4488 7fd9a85b-ad96-42d3-883c-3090e2eb8679

nuttx/configs/pic32-starterkit/src/Makefile

@@ -51,6 +51,10 @@ ifeq ($(CONFIG_NSH_ARCHINIT),y)
 CSRCS		+= up_nsh.c
 endif
 
+ifeq ($(CONFIG_USBMSC),y)
+CSRCS		+= up_usbmsc.c
+endif
+
 AOBJS		= $(ASRCS:.S=$(OBJEXT))
 COBJS		= $(CSRCS:.c=$(OBJEXT))
 

nuttx/configs/pic32-starterkit/src/up_usbmsc.c

@@ -0,0 +1,95 @@
+/****************************************************************************
+ * configs/pic32-starterkit/src/up_usbmsc.c
+ *
+ *   Copyright (C) 2012 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 "starterkit_internal.h"
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+/* Configuration ************************************************************/
+
+/* Debug ********************************************************************/
+
+#ifdef CONFIG_CPP_HAVE_VARARGS
+#  ifdef CONFIG_DEBUG
+#    define message(...) lib_lowprintf(__VA_ARGS__)
+#    define msgflush()
+#  else
+#    define message(...) printf(__VA_ARGS__)
+#    define msgflush() fflush(stdout)
+#  endif
+#else
+#  ifdef CONFIG_DEBUG
+#    define message lib_lowprintf
+#    define msgflush()
+#  else
+#    define message printf
+#    define msgflush() fflush(stdout)
+#  endif
+#endif
+
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: usbmsc_archinitialize
+ *
+ * Description:
+ *   Perform architecture specific initialization as needed to establish
+ *   the mass storage device that will be exported by the USB MSC device.
+ *
+ ****************************************************************************/
+
+int usbmsc_archinitialize(void)
+{
+  /* If examples/usbmsc is built as an NSH command, then SD slot should
+   * already have been initized in nsh_archinitialize() (see up_nsh.c).  In
+   * this case, there is nothing further to be done here.
+   */
+
+#ifndef CONFIG_EXAMPLES_USBMSC_BUILTIN
+#  warning "Missing Logic"
+#endif /* CONFIG_EXAMPLES_USBMSC_BUILTIN */
+
+   return 0;
+}