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Fixed alignment problem on the MSP430, where the ping message may be misaligned

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This commit is contained in:
adamdunkels 2009-03-31 17:39:36 +00:00
parent e2cc8b2a3e
commit dc8338d248
1 changed files with 11 additions and 9 deletions
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20
apps/shell/shell-rime-ping.c
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@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: shell-rime-ping.c,v 1.8 2009/03/24 14:44:42 adamdunkels Exp $
* $Id: shell-rime-ping.c,v 1.9 2009/03/31 17:39:36 adamdunkels Exp $
*/
/**
@ -42,6 +42,7 @@
#include "shell.h"
#include "net/rime.h"
#include <string.h>
#include <stdio.h>
#ifndef HAVE_SNPRINTF
int snprintf(char *str, size_t size, const char *format, ...);
@ -124,18 +125,19 @@ sent_mesh(struct mesh_conn *c)
static void
recv_mesh(struct mesh_conn *c, const rimeaddr_t *from, u8_t hops)
{
struct rime_ping_msg *ping;
struct rime_ping_msg ping;
char buf[64];
rtimer_clock_t pingrecvtime;
ping = packetbuf_dataptr();
memcpy(&ping, packetbuf_dataptr(), sizeof(struct rime_ping_msg));
if(waiting_for_pong == 0) {
#if TIMESYNCH_CONF_ENABLED
ping->pongtime = timesynch_time();
ping.pongtime = timesynch_time();
#else
ping->pongtime = ping->pingtime;
ping.pongtime = ping.pingtime;
#endif
memcpy(packetbuf_dataptr(), &ping, sizeof(struct rime_ping_msg));
mesh_send(&mesh, from);
} else {
#if TIMESYNCH_CONF_ENABLED
@ -144,9 +146,9 @@ recv_mesh(struct mesh_conn *c, const rimeaddr_t *from, u8_t hops)
pingrecvtime = rtimer_arch_now();
#endif
snprintf(buf, sizeof(buf), "%lu ms (%lu + %lu), %d hops.",
(1000L * (pingrecvtime - ping->pingtime)) / RTIMER_ARCH_SECOND,
(1000L * (ping->pongtime - ping->pingtime)) / RTIMER_ARCH_SECOND,
(1000L * (pingrecvtime - ping->pongtime)) / RTIMER_ARCH_SECOND,
(1000L * (pingrecvtime - ping.pingtime)) / RTIMER_ARCH_SECOND,
(1000L * (ping.pongtime - ping.pingtime)) / RTIMER_ARCH_SECOND,
(1000L * (pingrecvtime - ping.pongtime)) / RTIMER_ARCH_SECOND,
hops);
shell_output_str(&rime_ping_command,