Incorporate changes from Uros Platise

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3419 42af7a65-404d-4744-a932-0658087f49c3

ChangeLog.txt

@@ -1,21 +1,22 @@
-5.19 2011-03-12 Gregory Nutt <spudmonkey@racsa.co.cr>
-
-	* Initial version of the apps/ directory was released as contributed by
-	  Uros Platise.
-
-6.0 2011-03-21 Gregory Nutt <spudmonkey@racsa.co.cr>
-
-	* README.txt -- README cosmetics
-	* hello/ -- hello world minor changes
-	* Makefile -- Makefile cosmetics (I am slowly adding the Darjeeling JVM)
-	* Make.defs -- New file adds common make definitions for applications.
-	* hello/Makefile -- Now uses new Make.defs definitions.  Added README.txt.
-	* apps/poweroff -- New application to turn off board power.
-	* Moved NSH library, netutils, and examples from the nuttx/ directory to
-	  the apps/ directory
-	* Moved exec_nuttapp machinery into the nuttapp/ directory.
-
-6.0 2011-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
-
-	* Creation of auto-generated header files now occurs during the context
-	  build phase.
+5.19 2011-03-12 Gregory Nutt <spudmonkey@racsa.co.cr>
+
+	* Initial version of the apps/ directory was released as contributed by
+	  Uros Platise.
+
+6.0 2011-03-21 Gregory Nutt <spudmonkey@racsa.co.cr>
+
+	* README.txt -- README cosmetics
+	* hello/ -- hello world minor changes
+	* Makefile -- Makefile cosmetics (I am slowly adding the Darjeeling JVM)
+	* Make.defs -- New file adds common make definitions for applications.
+	* hello/Makefile -- Now uses new Make.defs definitions.  Added README.txt.
+	* apps/poweroff -- New application to turn off board power.
+	* Moved NSH library, netutils, and examples from the nuttx/ directory to
+	  the apps/ directory
+	* Moved exec_nuttapp machinery into the nuttapp/ directory.
+
+6.0 2011-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
+
+	* Creation of auto-generated header files now occurs during the context
+	  build phase.
+	* Added sdcard insert and eject, nsh command '?' and some code remarks

nshlib/nsh_apps.c

@@ -107,8 +107,15 @@ int nsh_execapp(FAR struct nsh_vtbl_s *vtbl, FAR const char *cmd,
            nsh_output(vtbl, "%s ", name);
          }
        nsh_output(vtbl, "\nand type 'help' for more NSH commands.\n\n");
+
+       /* If the failing command was '?', then do not report an error */
        
-	   return err;
+       if (strcmp(cmd, "?") != 0)
+         {
+           return err;
+         }
+
+       return OK;
      }
 
 #ifdef CONFIG_SCHED_WAITPID

vsn/poweroff/poweroff.c

@@ -37,6 +37,18 @@
 
 int poweroff_main(int argc, char *argv[])
 {
+/* TODO:
+ *  - replace this by sending general system signal to shutdown, where i.e. nsh
+ *    must issue down script (it may check whether nsh is running before spawning
+ *    a new process with nsh poweroff)
+ *  - wait for some time (~0.5 second for VSN), that SDcard is flashed and synced
+ *  - call poweroff
+ * 
+ * TODO on boot:
+ *  - if external key is pressed, do not start the nsh! but wait until it is released
+ *    (to get rid of bad mounts of the sdcard etc.) this could be handled in the 
+ *    button driver immediately on system boot
+ */
 	board_power_off();
 	return 0;
 }

vsn/sdcard/sdcard.c

@@ -48,13 +48,13 @@
 #  include <nuttx/mmcsd.h>
 #endif
 
-
+// TODO get the structure out from the slot number
+static FAR struct sdio_dev_s *sdio = NULL;
 
 /* Create device device for the SDIO-based MMC/SD block driver */
 
 int sdcard_start(int slotno)
 {
-  FAR struct sdio_dev_s *sdio;
   int ret;
 
   /* First, get an instance of the SDIO interface */
@@ -89,22 +89,41 @@ int sdcard_start(int slotno)
 
 int sdcard_main(int argc, char *argv[])
 {
-  int slotno;
+    int slotno = 0;
   
-  if (argc == 3) {
-    slotno = atoi(argv[2]);
+    if (argc >= 2) {
     
-    if (!strcmp(argv[1], "start")) {
-      return sdcard_start(slotno);
+        /* The 3rd argument is expected to be a slot number, if given */
+        if (argc==3)
+            slotno = atoi(argv[2]);
+    
+        /* Commands */
+    
+        if (!strcmp(argv[1], "start")) {
+            return sdcard_start(slotno);
+        }
+        else if (!strcmp(argv[1], "stop")) {
+            fprintf(stderr, "Not implemented yet\n");
+        }
+        else if (!strcmp(argv[1], "insert")) {
+            if (sdio) {
+                return sdio_mediachange(sdio, true);
+            }
+        }
+        else if (!strcmp(argv[1], "eject")) {
+            if (sdio) {
+                return sdio_mediachange(sdio, false);
+            }
+        }
+        else if (!strcmp(argv[1], "status")) {
+            printf("SDcard #%d Status:\n", slotno);
+#ifndef CONFIG_MMCSD_HAVECARDDETECT
+            printf("\t - Without SDcard detect capability\n");
+#endif
+            return 0;
+        }
     }
-    else if (!strcmp(argv[1], "stop")) {
-    }
-    else if (!strcmp(argv[1], "insert")) {
-    }
-    else if (!strcmp(argv[1], "eject")) {
-    }
-  }
   
-  printf("%s: <start" /*|stop|insert|eject*/ "> <slotno>\n", argv[0]);
-  return -1;
+    printf("%s: <start|stop|insert|eject|status> {slotno}\n", argv[0]);
+    return -1;
 }