Please help serious problem with uart1


#1

I have written an embeded program for switching the UART1 to data mode from AT mode.Now it has gone to data mode and I cannot use the port for at commands,not even I can download any program using AT+WDWL. So please kindly help me to fix the problem to bring back the UART1 port to AT mode.


#2

Isn’t hindsight is a wonderful thing?! :wink:

In my application, I ensure that there is a delay after the module starts before it switches the UART to Data mode - specifically so that I can type an AT+WOPEN=0 to stop the application, if necessary! 8)

If you’re very quick, you might find that it’s possible to get an AT+WOPEN=0 in before the UART goes to Data mode - do you have an application that can set this up as a single-key command?

Failing that, you’ll have to use the Wavecom DWLWin utility to re-flash the module - contact your distributor for details…


#3

THANX again buddy.Please can u send me the winDWL utility and the required firmwire files along with instruction manual.I am using wismo quick q2406b module.


#4

As awneil says, you need to contact your distributor for the tool…

Best Regards,
Jan


#5

Is there any other way to stop the embeded application or to overwrite the embeded application?


#6

Did you try my suggestion of getting the AT+WOPEN=0 command in very quickly as soon as the module powers-up?


#7

Use Terminal Emulator, so you can paste command with then send command quickly.


#8

i would suggest Jan’s terminal ! Because with Terminal Emulator, you need to synchronize the comm every time the module reboots (or every time you start the module)…

see : wavecom.com/modules/movie/sc … .php?t=995

ps : by the way, thank you Jan ! It helps me a lot in such cases… and in others too… :slight_smile:


#9

I have made a VB program which can send AT+WOPEN=0 just by a button click.After making the module on I am sending AT+WOPEN=0 with a carriage return by clicking that button,but nothing is happening.Is the port permanently configured for data mode?Please suggest to fix the problem.