Hi,
I have trouble sending msg from laptop (using c++) code to tmote. All the
code is at the bottom. I have no problem reading the data from the serial
but sending it back dooesn't seam to work. Anyone knows why? Thanks.
Indy
CODE :nesC and tinyOS
configuration TimeSync
{
}
implementation
{
components Main, TimeSyncM,
TimerC,
GenericComm as Comm,
UARTComm,
LedsC;
Main.StdControl -> TimeSyncM.StdControl;
...
Main.StdControl -> UARTComm;
...
TimeSyncM.SubControl -> Comm;
TimeSyncM.ReceiveMsg -> Comm.ReceiveMsg[AM_INTMSG];
TimeSyncM.CommControl -> Comm;
TimeSyncM.Leds -> LedsC;
TimeSyncM.UCommControl -> UARTComm;
TimeSyncM.UReceive -> UARTComm.ReceiveMsg[AM_URECEIVEMSG];
TimeSyncM.USend -> UARTComm.SendMsg[AM_USENDMSG];
}
AND The Module:
#define BASE_STATION
module TimeSyncM
{
provides
{
interface StdControl;
}
uses
{
interface StdControl as SubControl;
interface StdControl as CommControl;
interface SendMsg as Send;
interface ReceiveMsg as ReceiveMsg;
...
interface StdControl as UCommControl;
interface SendMsg as USend;
interface ReceiveMsg as UReceive;
}
}
implementation
{
...
/**
* Signalled when the reset message counter AM is received.
* @return The free TOS_MsgPtr.
*/
event TOS_MsgPtr UReceive.receive(TOS_MsgPtr m)
{
call Leds.greenToggle();
return m;
}
/**
* Signalled when the previous packet has been sent.
* @return Always returns SUCCESS.
*/
event result_t USend.sendDone(TOS_MsgPtr sent, result_t success)
{
return SUCCESS;
}
}
CODE C++
main
{
.....
struct TOS_Msg msgOUT;
char output_buffer[sizeof(msgOUT)];
char data[10] = {'h', 'e', 'l', 'l', 'o'};
msgOUT.addr = 0xffff;
msgOUT.type = 0x42; //no return type
msgOUT.group = 0x7d;
msgOUT.length = (uint8_t) 5;
memcpy(msgOUT.data, data, 5);
msgOUT.crc = calc((uint8_t *) &msgOUT, 5+5);
memset(output_buffer, 0, TOS_PACKET_LENGTH);
memcpy(output_buffer, &msgOUT, sizeof(msgOUT));
write(fd, pData, sizeof(msgOUT));
}
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