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1.修复模块初始化可能出现at超时问题

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This commit is contained in:
payton 2023-12-07 09:10:04 +08:00
parent 6e2081195b
commit 7874a6336e
1 changed files with 12 additions and 2 deletions
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14
code/application/source/sf_app/code/source/4gMng/sf_eg91_sim.c
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@ -2419,7 +2419,9 @@ SINT32 sf_module_complete_init(void)
ttyRet = sf_hal_ttyusb2_write(gsmPara, strlen(gsmPara));
SF_CHECK_RETURN(ttyRet, SF_GPRS_MODULE_ERROR_WRITE);
callTime = 0;
ttyData.cmp = "OK";
ttyData.len = 255;//Must wait for OK or error.
sf_sleep_ms(50);
}
else if(strstr((const char *)gsmPara, "CME ERROR: SIM not inserted"))
{
@ -2437,7 +2439,7 @@ SINT32 sf_module_complete_init(void)
ttyRet = sf_hal_ttyusb2_write(gsmPara, strlen(gsmPara));
//printf("ttyRet:%d\n", ttyRet);
SF_CHECK_RETURN(ttyRet, SF_GPRS_MODULE_ERROR_WRITE);
//ttyData.cmp = "ATE1";
ttyData.cmp = "OK";
ttyData.len = 255;//Must wait for OK or error.
}
@ -2499,7 +2501,15 @@ SINT32 sf_module_complete_init(void)
else
{
callTime++;
if(callTime%2)
{
strcpy(gsmPara, "AT+GSN\r");
ttyRet = sf_hal_ttyusb2_write(gsmPara, strlen(gsmPara));
SF_CHECK_RETURN(ttyRet, SF_GPRS_MODULE_ERROR_WRITE);
ttyData.cmp = "OK";
ttyData.len = 255;//Must wait for OK or error.
sf_sleep_ms(50);
}
if(callTime > 10)
{
ret = SF_SIM_ERROR_AT_TIMEOUT;