Your last problem sounds like a h/w issue. Disturbing the signal level when the analyzer is connected such that it works. You'll have to debug that at the h/w level. Tweaking the s/w probably won't help much.
On Fri, Feb 17, 2012 at 10:14 PM, #BHARTI GOEL# <[email protected]>wrote: > Hi, > > Thanks a lot for your replies. I got the program to work for sending > commands from mote to hyperterminal. The reason I was sending modem > commands was because later I want to interface the mote with the modem but > was trying to get the UART to work first. > > I am facing a weird problem now though. When I start my hyperterminal > connected to the mote, the program only works when I have this external > logic analyzer (Logic from saleae) plugged in to the Vcc and ground lines > of my communication. I need to put the probes of the analyzer on my lines, > start its simulation, and then all the commands work on my hyperterminal. > If I start without the analyzer, the communication between mote and PC does > not start!! > > It very funny. Is there some trigger pin I should be considering? Because > UartStream does not have any. Here is my new code : > > > -------------------------------------------------------------------------------- > >
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