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rpmsg_ping.c: change check data to fluctuation value

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We can found the error happend packet more accurately based
on the data value.

Signed-off-by: Yongrong Wang <wangyongrong@xiaomi.com>
This commit is contained in:
Yongrong Wang 2024-07-17 13:58:57 +08:00 • committed by GUIDINGLI
parent 5e96e72cb6
commit b96ad59d69
1 changed files with 5 additions and 7 deletions
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12
drivers/rpmsg/rpmsg_ping.c
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@ -44,7 +44,6 @@
#define RPMSG_PING_SEND_NOACK 3
#define RPMSG_PING_SEND_ACK 4
#define RPMSG_PING_ACK 5
#define RPMSG_PING_CHECK_DATA 0xee
/****************************************************************************
* Private Types
@ -82,7 +81,7 @@ static int rpmsg_ping_ept_cb(FAR struct rpmsg_endpoint *ept,
data_len = msg->len - sizeof(struct rpmsg_ping_msg_s) + 1;
for (i = 0; i < data_len; i++)
{
if (msg->data[i] != RPMSG_PING_CHECK_DATA)
if (msg->data[i] != msg->data[0])
{
syslog(LOG_ERR, "receive data error at %zu of %zu\n",
i, data_len);
@ -108,8 +107,8 @@ static int rpmsg_ping_ept_cb(FAR struct rpmsg_endpoint *ept,
return 0;
}
static int rpmsg_ping_once(FAR struct rpmsg_endpoint *ept,
int len, int ack, uint32_t *buf_len)
static int rpmsg_ping_once(FAR struct rpmsg_endpoint *ept, int len,
int ack, uint32_t *buf_len, char i)
{
FAR struct rpmsg_ping_msg_s *msg;
int ret;
@ -147,8 +146,7 @@ static int rpmsg_ping_once(FAR struct rpmsg_endpoint *ept,
if (msg->cmd == RPMSG_PING_SEND_CHECK)
{
memset(msg->data, RPMSG_PING_CHECK_DATA,
len - sizeof(struct rpmsg_ping_msg_s) + 1);
memset(msg->data, i, len - sizeof(struct rpmsg_ping_msg_s) + 1);
}
nxsem_init(&sem, 0, 0);
@ -228,7 +226,7 @@ int rpmsg_ping(FAR struct rpmsg_endpoint *ept,
{
clock_t tm = perf_gettime();
send_len = rpmsg_ping_once(ept, ping->len, ping->ack, &buf_len);
send_len = rpmsg_ping_once(ept, ping->len, ping->ack, &buf_len, i);
if (send_len < 0)
{
return send_len;