look for documentation on NESC. Basically anything in the interface
for a module can be "call"ed from another module.
MS
Mark Tsang wrote:
I was wondering how I would go about calling a command from another
module to utilize in my own module. For instance, I want to use the
command “txBytes” in NoCRCPacket in my own program MyApp. What do I
have to add in my program to do so. I’ve read in other threads that I
need to wire NoCRCPacket to UART and I have done so, but I’m still
receiving the following error message during compilation: NOTE: I’m
calling txBytes in my Timer.fired command below in the module
In component `NoCRCPacket':
/opt/MoteWorks/tos/platform/micaz/NoCRCPacket.nc: In function `receiveTask':
/opt/MoteWorks/tos/platform/micaz/NoCRCPacket.nc:306: Receive.receive
not connected
The error message isn’t pointing to my program, instead the platform
file. What am I doing wrong. Thanks in advance!
configuration MyApp {
provides {
command result_t txBytes(uint8_t *bytes, uint8_t numBytes);
}
}
implementation {
components Main, MyAppM, TimerC, LedsC, NoCRCPacket as NoPacket, UART;
Main.StdControl -> TimerC.StdControl;
Main.StdControl -> MyAppM.StdControl;
Main.StdControl -> NoPacket.Control;
MyAppM.Timer -> TimerC.Timer[unique("Timer")];
MyAppM.Leds -> LedsC.Leds;
txBytes = NoPacket.txBytes;
NoPacket.ByteControl -> UART;
NoPacket.ByteComm -> UART;
}
module MyAppM {
provides {
interface StdControl;
}
uses {
interface Timer;
interface Leds;
interface StdControl as PhotoControl;
interface SendUART;
command result_t txBytes(uint8_t *bytes, uint8_t numBytes);
}
}
implementation {
/**
* Toggle the red LED in response to the <code>Timer.fired</code> event.
* Start the Light sensor control and sample the data
*
* @return Always returns <code>SUCCESS</code>
**/
event result_t Timer.fired()
{
call Leds.redToggle();
// send message to UART (serial) port
if (call txBytes((uint8_t *)0x41,(uint8_t *)0x01) !=
SUCCESS)
sending_packet = FALSE;
return SUCCESS;
}
command result_t StdControl.init() {
call Leds.init();
}
command result_t StdControl.start() {
// Start a repeating timer that fires every 1000ms
return call Timer.start(TIMER_REPEAT, 1000);
}
/**
* Halt execution of the application.
* This just disables the clock component.
*
* @return Always returns <code>SUCCESS</code>
**/
command result_t StdControl.stop() {
return call Timer.stop();
}
------------------------------------------------------------------------
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