[Tinyos-help] CC2420 Hardware or software Ack

2008-07-08 Thread Frédéric JOSEPH
Hi, What is the difference between a software acknowledgement and a hardware acknowledgement on CC2420 radio chip ? I checked CC2420Config.isAutoAckEnabled() and CC2420Config.isHWAutoAckDefault() and the results are respectively 1 and 0. So I think that I use a software acknowledgement. In my

Re: [Tinyos-help] sensirion tmote sensor issue

2008-03-01 Thread Frédéric JOSEPH
Thanks for your answer. Indeed, the issue is caused by the USB power. Fred - Original Message - From: Roman Lim [EMAIL PROTECTED] To: Frédéric JOSEPH [EMAIL PROTECTED] Cc: tinyos-help@millennium.berkeley.edu Sent: Thursday, February 28, 2008 10:18 AM Subject: Re: [Tinyos-help

[Tinyos-help] sensirion tmote sensor issue

2008-02-28 Thread Frédéric JOSEPH
Hi, My project consists in the development of a wireless sensor network based on Tmote Sky. I have some issues with the sht11 temperature sensor. The temperature read on sht11 is too high (4-5 °Celsius over the ambiant temperature). How can I resolve this issue ? Thanks in advance. Fred