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1.该版本先带延时tty读取

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payton 2023-08-11 23:18:56 +08:00
parent 0aac9d5806
commit 9045cdecd6
1 changed files with 7 additions and 7 deletions
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14
code/application/source/sf_app/code/source/ttyusb/sf_hal_ttyusb.c
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@ -249,10 +249,10 @@ static SINT32 hal_ttyusb_read(SINT32 fd, SF_CHAR *recvBuf, SINT32 waitTime)
SINT32 s32ret = 0; SINT32 s32ret = 0;
fd_set read_fds; fd_set read_fds;
struct timeval TimeoutVal; struct timeval TimeoutVal;
//if(waitTime > 0) if(waitTime > 0)
// sf_sleep_ms(waitTime); sf_sleep_ms(waitTime);
//while(waitTime--) while(waitTime--)
{ {
@ -275,13 +275,13 @@ static SINT32 hal_ttyusb_read(SINT32 fd, SF_CHAR *recvBuf, SINT32 waitTime)
} }
else if (s32ret < 0) { else if (s32ret < 0) {
//MLOGE(" select failed\n"); //MLOGE(" select failed\n");
return SF_FAILURE; //return SF_FAILURE;
//continue; continue;
} }
else if (0 == s32ret) { else if (0 == s32ret) {
//MLOGW("FIFO select timeout [%d]\n",waitTime); //MLOGW("FIFO select timeout [%d]\n",waitTime);
return SF_FAILURE; //return SF_FAILURE;
//continue; continue;
} }
} }