From b5c7f41c5d509c16005d20f64f4ee6b6ac6944d2 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Mon, 21 Apr 2014 18:16:44 -0600
Subject: [PATCH] SAM4S Xplained:  Add logic to autostart the USB monitor

---
 .../src/sam4s-xplained-pro.h                  | 23 +++++++++++++-
 configs/sam4s-xplained-pro/src/sam_nsh.c      | 31 +++++++++++++++----
 2 files changed, 47 insertions(+), 7 deletions(-)

diff --git a/configs/sam4s-xplained-pro/src/sam4s-xplained-pro.h b/configs/sam4s-xplained-pro/src/sam4s-xplained-pro.h
index 9b3a2f713d..9226f2d0d7 100644
--- a/configs/sam4s-xplained-pro/src/sam4s-xplained-pro.h
+++ b/configs/sam4s-xplained-pro/src/sam4s-xplained-pro.h
@@ -57,6 +57,8 @@
 
 #define HAVE_HSMCI      1
 #define HAVE_PROC       1
+#define HAVE_USBDEV     1
+#undef  HAVE_USBMONITOR
 
 /* HSMCI */
 /* Can't support MMC/SD if the card interface is not enabled */
@@ -71,7 +73,7 @@
 
 /* Can't support MMC/SD features if mountpoints are disabled */
 
-if defined(HAVE_HSMCI) && defined(CONFIG_DISABLE_MOUNTPOINT)
+#if defined(HAVE_HSMCI) && defined(CONFIG_DISABLE_MOUNTPOINT)
 #  warning Mountpoints disabled.  No MMC/SD support
 #  undef HAVE_HSMCI
 #endif
@@ -88,6 +90,25 @@ if defined(HAVE_HSMCI) && defined(CONFIG_DISABLE_MOUNTPOINT)
 #  undef HAVE_HSMCI
 #endif
 
+/* USB Device */
+/* CONFIG_SAM34_UDP and CONFIG_USBDEV must be defined, or there is no USB
+ * device.
+ */
+
+#if !defined(CONFIG_SAM34_UDP) || !defined(CONFIG_USBDEV)
+#  undef HAVE_USBDEV
+#endif
+
+/* Check if we should enable the USB monitor before starting NSH */
+
+#ifndef HAVE_USBDEV
+#  undef CONFIG_USBDEV_TRACE
+#endif
+
+#if !defined(CONFIG_SYSTEM_USBMONITOR) && !defined(CONFIG_USBDEV_TRACE)
+#  undef HAVE_USBMONITOR
+#endif
+
 /* There are four LEDs on board the SAM4S Xplained board, two of these can be
  * controlled by software in the SAM4S:
  *
diff --git a/configs/sam4s-xplained-pro/src/sam_nsh.c b/configs/sam4s-xplained-pro/src/sam_nsh.c
index 4c1909c190..ce4de7f570 100644
--- a/configs/sam4s-xplained-pro/src/sam_nsh.c
+++ b/configs/sam4s-xplained-pro/src/sam_nsh.c
@@ -1,6 +1,6 @@
 /****************************************************************************
  * config/sam4s-xplained-pro/src/sam_nsh.c
- * 
+ *
  *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
@@ -50,6 +50,14 @@
 #  include <apps/usbmonitor.h>
 #endif
 
+#ifdef CONFIG_CDCACM
+#  include <nuttx/usb/cdcacm.h>
+#endif
+
+#ifdef CONFIG_PL2303
+#  include <nuttx/usb/pl2303.h>
+#endif
+
 #include "sam4s-xplained-pro.h"
 
 /****************************************************************************
@@ -86,7 +94,7 @@
 
 int nsh_archinitialize(void)
 {
-#if (defined(HAVE_HSMCI) || defined (HAVE_PROC))
+#if defined(HAVE_HSMCI) || defined (HAVE_PROC) || defined(HAVE_USBMONITOR)
   int ret;
 #endif
 
@@ -94,7 +102,7 @@ int nsh_archinitialize(void)
 
 #ifdef HAVE_HSMCI
   /* Initialize the HSMCI driver */
-  
+
   ret = sam_hsmci_initialize();
   if (ret < 0)
     {
@@ -105,20 +113,31 @@ int nsh_archinitialize(void)
 
 #ifdef HAVE_PROC
   /* mount the proc filesystem */
- 
+
   ret = mount(NULL, "/proc", "procfs", 0, NULL);
   if (ret < 0)
   {
-    fdbg("ERROR: Failed to mount the PROC filesystem: %d\n", errno);
+    message("ERROR: Failed to mount the PROC filesystem: %d\n", errno);
     return ret;
   }
 #endif
 
+#ifdef HAVE_USBMONITOR
+  /* Start the USB Monitor */
+
+  ret = usbmonitor_start(0, NULL);
+  if (ret != OK)
+    {
+      message("nsh_archinitialize: Start USB monitor: %d\n", ret);
+      return ret;
+    }
+#endif
+
 #warning "add automount config...."
   ret = mount("/dev/mmcsd0", "/fat", "vfat", 0, NULL);
   if (ret < 0)
   {
-    fdbg("ERROR: Failed to mount the FAT filesystem: %d\n", errno);
+    message("ERROR: Failed to mount the FAT filesystem: %d\n", errno);
     return ret;
   }