payton/nt9856x
Template
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

1.sdk里tty usb读取调整

Browse Source
This commit is contained in:
payton 2024-02-19 14:32:55 +08:00
parent 9dbb3e2617
commit 26fdab3f19
1 changed files with 20 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
code/application/source/sf_app/code/source/ttyusb/sf_hal_ttyusb.c
View File

@ -252,26 +252,37 @@ static SINT32 hal_ttyusb_read(SINT32 fd, SF_CHAR *recvBuf, SINT32 waitTime)
static SINT32 hal_ttyusb_read(SINT32 fd, SF_CHAR *recvBuf, SINT32 waitTime)
{
//SF_PDT_PARAM_CFG_S *sfParam = sf_customer_param_get();
SF_TTY_DATA_TYPE_S ttyData = { .waitMs = 1000, .len = 255/*Must wait for OK or error.*/, .lenMax = (GPRS_INFO_LINE_MAX-1), .cmp = "OK", .cmperr = "ERROR", .data = recvBuf};
if(fd < 0)
{
MLOGE(" fd read fail!\n");
return SF_FAILURE;
}
sf_hal_ttyusb2_read_buf(&ttyData);
return SF_SUCCESS;
#if 0
SINT32 s32ret = 0;
fd_set read_fds;
struct timeval TimeoutVal;
//if(waitTime > 0)
// sf_sleep_ms(waitTime);
if(waitTime > 0)
{
sf_sleep_ms(waitTime);
// waitTime = 10;//200ms*10=2s
}
if(fd < 0)
{
MLOGE(" fd read fail!\n");
return SF_FAILURE;
}
//while(waitTime--)
// while(waitTime--)
{
FD_ZERO(&read_fds);
FD_SET(fd, &read_fds);
TimeoutVal.tv_sec = 0;
TimeoutVal.tv_usec = 200000;
TimeoutVal.tv_usec = 10000;
s32ret = select(fd + 1, &read_fds, NULL, NULL, &TimeoutVal);
if (s32ret > 0) {
@ -287,17 +298,18 @@ static SINT32 hal_ttyusb_read(SINT32 fd, SF_CHAR *recvBuf, SINT32 waitTime)
else if (s32ret < 0) {
//MLOGE(" select failed\n");
return SF_FAILURE;
//continue;
// continue;
}
else if (0 == s32ret) {
//MLOGW("FIFO select timeout [%d]\n",waitTime);
return SF_FAILURE;
//continue;
// continue;
}
}
return SF_SUCCESS;
#endif
}
#endif