Add NSH ping command

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@870 42af7a65-404d-4744-a932-0658087f49c3

4 files changed, 28 insertions, 4 deletions

diff --git a/nuttx/include/net/uip/uip-arch.h b/nuttx/include/net/uip/uip-arch.h
index 6f2781eb3..c0044fdfe 100644
--- a/nuttx/include/net/uip/uip-arch.h
+++ b/nuttx/include/net/uip/uip-arch.h
@@ -366,5 +366,7 @@ extern uint16 uip_ipchksum(struct uip_driver_s *dev);
 extern uint16 uip_tcpchksum(struct uip_driver_s *dev);
 
 extern uint16 uip_udpchksum(struct uip_driver_s *dev);
+extern uint16 uip_icmpchksum(struct uip_driver_s *dev);
 
 #endif /* __UIP_ARCH_H */
+
diff --git a/nuttx/include/net/uip/uip-icmp.h b/nuttx/include/net/uip/uip-icmp.h
index 632653ab8..67d6941d3 100644
--- a/nuttx/include/net/uip/uip-icmp.h
+++ b/nuttx/include/net/uip/uip-icmp.h
@@ -194,4 +194,17 @@ struct uip_icmp_stats_s
  * Public Function Prototypes
  ****************************************************************************/
 
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+EXTERN int uip_ping(uip_ipaddr_t addr, uint16 id, uint16 seqno, uint16 datalen, int dsecs);
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
 #endif /* __NET_UIP_UIP_ICMP_H */
diff --git a/nuttx/include/net/uip/uip-lib.h b/nuttx/include/net/uip/uip-lib.h
index 307a6b277..ce81dca67 100644
--- a/nuttx/include/net/uip/uip-lib.h
+++ b/nuttx/include/net/uip/uip-lib.h
@@ -47,6 +47,7 @@
  ****************************************************************************/
 
 #include <nuttx/config.h>
+#include <sys/types.h>
 #include <pthread.h>
 #include <netinet/in.h>
 
@@ -85,7 +86,7 @@
  * Return: Non-zero If the IP address was parsed.
  */
 
-extern unsigned char uiplib_ipaddrconv(char *addrstr, unsigned char *addr);
+extern boolean uiplib_ipaddrconv(const char *addrstr, ubyte *addr);
 
 /* Get and set IP/MAC addresses */
 
diff --git a/nuttx/include/nuttx/clock.h b/nuttx/include/nuttx/clock.h
index b57b8e4f8..6d4d20dd4 100644
--- a/nuttx/include/nuttx/clock.h
+++ b/nuttx/include/nuttx/clock.h
@@ -1,7 +1,7 @@
 /****************************************************************************
- * nuttx/clock.h
+ * include/nuttx/clock.h
  *
- *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -14,7 +14,7 @@
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
- * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ * 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.
  *
@@ -78,6 +78,7 @@
 # define MSEC_PER_TICK        (10)
 #endif
 
+#define TICK_PER_DSEC         (MSEC_PER_DSEC / MSEC_PER_TICK)            /* Truncates! */
 #define TICK_PER_SEC          (MSEC_PER_SEC / MSEC_PER_TICK)             /* Truncates! */
 #define NSEC_PER_TICK         (MSEC_PER_TICK * NSEC_PER_MSEC)            /* Exact */
 #define USEC_PER_TICK         (MSEC_PER_TICK * USEC_PER_MSEC)            /* Exact */
@@ -88,6 +89,13 @@
 #define DSEC2TICK(dsec)       MSEC2TICK((dsec)*MSEC_PER_DSEC)
 #define SEC2TICK(sec)         MSEC2TICK((sec)*MSEC_PER_SEC)
 
+#define TICK2NSEC(tick)       ((tick)*NSEC_PER_TICK)                     /* Exact */
+#define TICK2USEC(tick)       ((tick)*USEC_PER_TICK)                     /* Exact */
+#define TICK2MSEC(tick)       ((tick)*MSEC_PER_TICK)                     /* Exact */
+#define TICK2DSEC(tick)       (((tick)+(TICK_PER_DSEC/2))/TICK_PER_DSEC) /* Rounds */
+#define TICK2SEC(tick)        (((tick)+(TICK_PER_SEC/2))/TICK_PER_SEC)   /* Rounds */
+
+
 /****************************************************************************
  * Global Data
  ****************************************************************************/