configs/arduino-due and flipnclick-sam3x: Enable PROCFS in nsh configurations.

configs/arduino-due/nsh/defconfig

@@ -1,6 +1,4 @@
 # CONFIG_ARCH_RAMFUNCS is not set
-# CONFIG_NSH_DISABLE_IFCONFIG is not set
-# CONFIG_NSH_DISABLE_PS is not set
 CONFIG_ARCH_BOARD_ARDUINO_DUE=y
 CONFIG_ARCH_BOARD="arduino-due"
 CONFIG_ARCH_CHIP_ATSAM3X8E=y
@@ -18,6 +16,7 @@ CONFIG_DISABLE_MOUNTPOINT=y
 CONFIG_DISABLE_POLL=y
 CONFIG_EXAMPLES_NSH_CXXINITIALIZE=y
 CONFIG_EXAMPLES_NSH=y
+CONFIG_FS_PROCFS=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_MAX_TASKS=16
@@ -26,6 +25,7 @@ CONFIG_MM_REGIONS=3
 CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NFILE_STREAMS=8
 CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_DISABLE_IFUPDOWN=y
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_READLINE=y
 CONFIG_PREALLOC_MQ_MSGS=4

configs/arduino-due/scripts/arduino-due.ld

@@ -39,7 +39,7 @@
 
 MEMORY
 {
-    flash (rx)   : ORIGIN = 0x00080000, LENGTH = 1024K
+    flash (rx)   : ORIGIN = 0x00080000, LENGTH = 512K
     sram0 (rwx)  : ORIGIN = 0x20000000, LENGTH = 64K
     sram1 (rwx)  : ORIGIN = 0x20080000, LENGTH = 32K
     nfcram (rwx) : ORIGIN = 0x20100000, LENGTH = 4K
@@ -49,7 +49,8 @@ OUTPUT_ARCH(arm)
 ENTRY(_stext)
 SECTIONS
 {
-	.text : {
+	.text :
+	{
 		_stext = ABSOLUTE(.);
 		*(.vectors)
 		*(.text .text.*)
@@ -65,23 +66,27 @@ SECTIONS
 		_etext = ABSOLUTE(.);
 	} > flash
 
-	.init_section : {
+	.init_section :
+	{
 		_sinit = ABSOLUTE(.);
 		*(.init_array .init_array.*)
 		_einit = ABSOLUTE(.);
 	} > flash
 
-	.ARM.extab : {
+	.ARM.extab :
+	{
 		*(.ARM.extab*)
 	} >flash
 
 	__exidx_start = ABSOLUTE(.);
-	.ARM.exidx : {
+	.ARM.exidx :
+	{
 		*(.ARM.exidx*)
 	} >flash
 	__exidx_end = ABSOLUTE(.);
 
-	.data : {
+	.data :
+	{
 		_sdata = ABSOLUTE(.);
 		*(.data .data.*)
 		*(.gnu.linkonce.d.*)
@@ -91,7 +96,8 @@ SECTIONS
 
 	_eronly = LOADADDR(.data);
 
-	.ramfunc ALIGN(4): {
+	.ramfunc ALIGN(4):
+	{
 		_sramfuncs = ABSOLUTE(.);
 		*(.ramfunc  .ramfunc.*)
 		_eramfuncs = ABSOLUTE(.);
@@ -99,7 +105,8 @@ SECTIONS
 
 	_framfuncs = LOADADDR(.ramfunc);
 
-	.bss : {
+	.bss :
+	{
 		_sbss = ABSOLUTE(.);
 		*(.bss .bss.*)
 		*(.gnu.linkonce.b.*)
@@ -108,6 +115,7 @@ SECTIONS
 	} > sram0
 
 	/* Stabs debugging sections. */
+
 	.stab 0 : { *(.stab) }
 	.stabstr 0 : { *(.stabstr) }
 	.stab.excl 0 : { *(.stab.excl) }

configs/arduino-due/src/sam_bringup.c

@@ -39,6 +39,7 @@
 
 #include <nuttx/config.h>
 
+#include <sys/mount.h>
 #include <stdio.h>
 #include <syslog.h>
 
@@ -88,6 +89,19 @@
 
 int sam_bringup(void)
 {
+  int ret;
+
+#ifdef CONFIG_FS_PROCFS
+  /* Mount the procfs file system */
+
+  ret = mount(NULL, "/proc", "procfs", 0, NULL);
+  if (ret < 0)
+    {
+      syslog(LOG_ERR,"ERROR: Failed to mount procfs at /proc: %d\n",
+            ret);
+    }
+#endif
+
 #if defined(CONFIG_ARDUINO_ITHEAD_TFT) && defined(CONFIG_SPI_BITBANG) && \
     defined(CONFIG_MMCSD_SPI)
   /* Initialize the SPI-based MMC/SD slot */
@@ -104,5 +118,6 @@ int sam_bringup(void)
   }
 #endif
 
+  UNUSED(ret);
   return OK;
 }

configs/flipnclick-sam3x/nsh/defconfig

@@ -1,6 +1,4 @@
 # CONFIG_ARCH_RAMFUNCS is not set
-# CONFIG_NSH_DISABLE_IFCONFIG is not set
-# CONFIG_NSH_DISABLE_PS is not set
 CONFIG_ARCH_BOARD_FLIPNCLICK_SAM3X=y
 CONFIG_ARCH_BOARD="flipnclick-sam3x"
 CONFIG_ARCH_CHIP_ATSAM3X8E=y
@@ -15,6 +13,7 @@ CONFIG_DISABLE_MOUNTPOINT=y
 CONFIG_DISABLE_POLL=y
 CONFIG_EXAMPLES_NSH_CXXINITIALIZE=y
 CONFIG_EXAMPLES_NSH=y
+CONFIG_FS_PROCFS=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_HOST_WINDOWS=y
@@ -24,6 +23,7 @@ CONFIG_MM_REGIONS=3
 CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NFILE_STREAMS=8
 CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_DISABLE_IFUPDOWN=y
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_READLINE=y
 CONFIG_PREALLOC_MQ_MSGS=4

configs/flipnclick-sam3x/scripts/flash.ld

@@ -33,13 +33,13 @@
  *
  ****************************************************************************/
 
-/* The ATSAM3X8E has 1024KB of FLASH beginning at address 0x0008:0000 and
+/* The ATSAM3X8E has 512KB of FLASH beginning at address 0x0008:0000 and
- * up to 64KB SRAM in three memory regions.
+ * up to 100KB SRAM in three memory regions.
  */
 
 MEMORY
 {
-    flash (rx)   : ORIGIN = 0x00080000, LENGTH = 1024K
+    flash (rx)   : ORIGIN = 0x00080000, LENGTH = 512K
     sram0 (rwx)  : ORIGIN = 0x20000000, LENGTH = 64K
     sram1 (rwx)  : ORIGIN = 0x20080000, LENGTH = 32K
     nfcram (rwx) : ORIGIN = 0x20100000, LENGTH = 4K

configs/flipnclick-sam3x/src/sam_autoleds.c

@@ -186,8 +186,6 @@ void board_autoled_on(int led)
 
 void board_autoled_off(int led)
 {
-  switch (led)
-    {
   /* SYMBOL               MEANING                      LED STATE
    *                                               L   A   B   C   D
    * -------------------  ----------------------- --- --- --- --- ---

configs/flipnclick-sam3x/src/sam_bringup.c

@@ -39,6 +39,7 @@
 
 #include <nuttx/config.h>
 
+#include <sys/mount.h>
 #include <stdio.h>
 #include <syslog.h>
 
@@ -70,5 +71,19 @@
 
 int sam_bringup(void)
 {
+  int ret;
+
+#ifdef CONFIG_FS_PROCFS
+  /* Mount the procfs file system */
+
+  ret = mount(NULL, "/proc", "procfs", 0, NULL);
+  if (ret < 0)
+    {
+      syslog(LOG_ERR,"ERROR: Failed to mount procfs at /proc: %d\n",
+            ret);
+    }
+#endif
+
+  UNUSED(ret);
   return OK;
 }