Hi,
The wiring looks okay to me (although I'm no expert!) - you seem to me to be
wiring the CC2420Packet interface used by your RadioCountToLedsC module to the
CC2420PacketC component which provides it, which seems correct to me:
App.CC2420Packet -> CC2420PacketC
So not sure what to suggest, maybe the problem is not with the wiring but
somewhere else? Look for the usual programming problems such as:
- Are you sure there isn't some other mistake in your code which is causing the
compiler to give you a misleading error message? e.g. Check the code
immediately before and after the App.CC2420Packet -> wiring bit, and the code
arounf you changepower function for missing semicolons etc.
- Are you sure you've specified the correct component in your Makefile?
- Are you running make from the correct directory?
- Are you building for a platform which actually supports CC2420 (what is the
make command you are using?)
- Are you sure you've spelled everything correctly? I notice the name of your
component is the same as an example app, are you sure you've not got your files
mixed up? When extending an example app I prefer to rename components to avoid
conflicts and confusion. Also you seem to say that your RadioCountToLedsAppC
configuration is inside 'xxApp.nc', not 'xxAppC.nc', are you sure you've named
your files and components correctly to match?
Hope this helps
James
________________________________
From: tinyos-help-boun...@millennium.berkeley.edu
<tinyos-help-boun...@millennium.berkeley.edu> on behalf of desword
<cgl1428719...@163.com>
Sent: 27 February 2017 06:26:34
To: tinyos-help@millennium.berkeley.edu
Subject: [Tinyos-help] how to wire CC2420Packet to user code encounters in
tinyOS?
Recently I want to use the interface CC2420Packet to set transmission power.
By using the command setPower. I am now working at Tinyos 2.1.2.
However, I encounter this error:
RadioCountToLedsC.nc: In function `changepower':
RadioCountToLedsC.nc:139: CC2420Packet.setPower not connected
In xxApp.nc
configuration RadioCountToLedsAppC {}
implementation {
components MainC, RadioCountToLedsC as App, LedsC;
components CC2420PacketC;
// for change power
//components CC2420ActiveMessageC;
App.CC2420Packet -> CC2420PacketC;
in xC.nc
module RadioCountToLedsC @safe() {
uses {
...
// for change tx power
interface CC2420Packet;
}
}
implementation {
...
call CC2420Packet.setPower(&packet2, 3);
...
}
I have removed the extra code and only reserved the most relevant code.
where am I wrong? Thanks! How to wire the CC2420Packet correctly?
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