Re: [Tinyos-help] tinyos2 cc2420lpl locked-up node, SPI with DMA problem

2007-04-13 Thread Roman Lim
-Original Message- From: Roman Lim [mailto:[EMAIL PROTECTED] Sent: Wednesday, April 11, 2007 1:18 AM To: David Moss Cc: 'Philip Levis'; 'Jonathan Hui'; [EMAIL PROTECTED] Subject: Re: [Tinyos-help] tinyos2 cc2420lpl locked-up node Hi David I tried out your fix. the problem still occurs

Re: [Tinyos-help] tinyos2 cc2420lpl locked-up node

2007-04-12 Thread Roman Lim
:[EMAIL PROTECTED] Sent: Wednesday, April 11, 2007 1:18 AM To: David Moss Cc: 'Philip Levis'; 'Jonathan Hui'; [EMAIL PROTECTED] Subject: Re: [Tinyos-help] tinyos2 cc2420lpl locked-up node Hi David I tried out your fix. the problem still occurs, even if i decrease the lpl receive check interval (i

RE: [Tinyos-help] tinyos2 cc2420lpl locked-up node

2007-03-26 Thread David Moss
: Wednesday, March 14, 2007 8:10 PM To: Jonathan Hui Cc: [EMAIL PROTECTED]; David Moss; TinyOS Help (E-mail) Subject: Re: [Tinyos-help] tinyos2 cc2420lpl locked-up node On Mar 14, 2007, at 7:16 PM, Jonathan Hui wrote: Hi Roman, Thanks for discovering and looking into this problem. From

Re: [Tinyos-help] tinyos2 cc2420lpl locked-up node

2007-03-14 Thread Roman Lim
13, 2007 8:44 AM To: David Moss Cc: tinyos-help@Millennium.Berkeley.EDU Subject: Re: [Tinyos-help] tinyos2 cc2420lpl locked-up node I ran the same scenario with DMA for about 7 hours and the problem did not occur until now. maybe the noDmaSpi implementation in tos2 is buggy.. Roman David Moss

Re: [Tinyos-help] tinyos2 cc2420lpl locked-up node

2007-03-14 Thread Jonathan Hui
Hi Roman, Thanks for discovering and looking into this problem. From the description you gave us, it does look like the radio is already disabled. My guess is that the radio stack is incorrectly trying to use the SPI bus or something else is calling SpiByte.write() when the resource is not

Re: [Tinyos-help] tinyos2 cc2420lpl locked-up node

2007-03-14 Thread Philip Levis
On Mar 14, 2007, at 7:16 PM, Jonathan Hui wrote: Hi Roman, Thanks for discovering and looking into this problem. From the description you gave us, it does look like the radio is already disabled. My guess is that the radio stack is incorrectly trying to use the SPI bus or something else is

Re: [Tinyos-help] tinyos2 cc2420lpl locked-up node

2007-03-13 Thread Roman Lim
. -David -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Roman Lim Sent: Monday, March 12, 2007 10:41 AM To: tinyos-help@Millennium.Berkeley.EDU Subject: [Tinyos-help] tinyos2 cc2420lpl locked-up node Hello, I used the cc2420lpl stack (the one in tinyos

RE: [Tinyos-help] tinyos2 cc2420lpl locked-up node

2007-03-13 Thread David Moss
@Millennium.Berkeley.EDU Subject: Re: [Tinyos-help] tinyos2 cc2420lpl locked-up node I ran the same scenario with DMA for about 7 hours and the problem did not occur until now. maybe the noDmaSpi implementation in tos2 is buggy.. Roman David Moss wrote: Interesting. I've been using DMA for all of my projects

[Tinyos-help] tinyos2 cc2420lpl locked-up node

2007-03-12 Thread Roman Lim
Hello, I used the cc2420lpl stack (the one in tinyos-2.x-contrib/rincon) together with the multihop-oscilloscope. My nodes (Tmote sky) run fine for a cupple of minutes, then some nodes stop working. Here are some parameters of my network () : 5 nodes, limited tx-power to 2 8s sampling period

RE: [Tinyos-help] tinyos2 cc2420lpl locked-up node

2007-03-12 Thread David Moss
@Millennium.Berkeley.EDU Subject: [Tinyos-help] tinyos2 cc2420lpl locked-up node Hello, I used the cc2420lpl stack (the one in tinyos-2.x-contrib/rincon) together with the multihop-oscilloscope. My nodes (Tmote sky) run fine for a cupple of minutes, then some nodes stop working. Here are some parameters