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syslog/rpmsg: disable force put char to lower putc

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if rpmsg triggers force flushing when the master core provides lower putc,
characters will be duplicated caused by SYSLOG_DEFAULT also send the char to lower half.
in this PR, we disable force put char to lower putc if CONFIG_SYSLOG_DEFAULT is enabled

Signed-off-by: chao an <anchao.archer@bytedance.com>
This commit is contained in:
chao an
2025-05-20 19:35:32 +08:00
committed by Xiang Xiao
parent 01f44f963c
commit d1136084b0
1 changed files with 5 additions and 3 deletions
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drivers/syslog/syslog_rpmsg.c
+5 -3
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@@ -245,7 +245,7 @@ static void syslog_rpmsg_addbuf(FAR struct syslog_rpmsg_s *priv,
if (priv->flush) if (priv->flush)
{ {
#if defined(CONFIG_ARCH_LOWPUTC) #if defined(CONFIG_ARCH_LOWPUTC) && !defined(CONFIG_SYSLOG_DEFAULT)
up_nputs(buffer, len); up_nputs(buffer, len);
#endif #endif
priv->flush += len; priv->flush += len;
@@ -394,13 +394,15 @@ int syslog_rpmsg_flush(FAR syslog_channel_t *channel)
priv->flush = priv->tail; priv->flush = priv->tail;
} }
#if defined(CONFIG_ARCH_LOWPUTC) && !defined(CONFIG_SYSLOG_DEFAULT)
while (priv->flush < priv->head) while (priv->flush < priv->head)
{ {
#if defined(CONFIG_ARCH_LOWPUTC)
up_putc(priv->buffer[SYSLOG_RPMSG_FLUSHOFF(priv)]); up_putc(priv->buffer[SYSLOG_RPMSG_FLUSHOFF(priv)]);
#endif
priv->flush++; priv->flush++;
} }
#else
priv->flush = priv->head;
#endif
leave_critical_section(flags); leave_critical_section(flags);