/**
* Renvoie une trame qui finit par "\r" !
* FrameBuffer : tableau pour recevoir les byte. De taille this->bufferSize !
* Revoie true si l'on a une trame disponible
*/
bool iUSB::getFullFrame(char* FrameBuffer)
{
//Tester si l'on a recu qqch
if (*this->dataReceived)
{
char pieceOfString[MAX_BUFFERSIZE] = ""; //Holds the new addition to the string
//Add bytes in USB buffer to theCommand
cdcReceiveDataInBuffer((BYTE*) pieceOfString, this->bufferSize,
CDC0_INTFNUM); //Get the next piece of the string
if ((MAX_BUFFERSIZE - strlen(this->usbSerialBuffer))
> strlen(pieceOfString))
{
strcat(this->usbSerialBuffer, pieceOfString);
}
else
{
this->clearSerialBuffer();
}
// Test \r
if (retInString(this->usbSerialBuffer))
{
strcpy(FrameBuffer, this->usbSerialBuffer);
this->clearSerialBuffer();
*(this->dataReceived) = FALSE;
return true;
}
else
{
*(this->dataReceived) = FALSE;
return false;
}
}
else
{
return false;
}
}
/*
* ======== main ========
*/
VOID main (VOID)
{
WDTCTL = WDTPW + WDTHOLD; //Stop watchdog timer
Init_Ports(); //Init ports (do first ports because clocks do change ports)
SetVCore(3);
Init_Clock(); //Init clocks
USB_init(); //Init USB
Init_TimerA1();
//Enable various USB event handling routines
USB_setEnabledEvents(
kUSB_VbusOnEvent + kUSB_VbusOffEvent + kUSB_receiveCompletedEvent
+ kUSB_dataReceivedEvent + kUSB_UsbSuspendEvent + kUSB_UsbResumeEvent +
kUSB_UsbResetEvent);
//See if we're already attached physically to USB, and if so, connect to it
//Normally applications don't invoke the event handlers, but this is an exception.
if (USB_connectionInfo() & kUSB_vbusPresent){
USB_handleVbusOnEvent();
}
__enable_interrupt(); //Enable interrupts globally
while (1)
{
BYTE i;
//Check the USB state and directly main loop accordingly
switch (USB_connectionState())
{
case ST_USB_DISCONNECTED:
__bis_SR_register(LPM3_bits + GIE); //Enter LPM3 w/ interrupts enabled
_NOP(); //For Debugger
break;
case ST_USB_CONNECTED_NO_ENUM:
break;
case ST_ENUM_ACTIVE:
__bis_SR_register(LPM0_bits + GIE); //Enter LPM0 (can't do LPM3 when active)
_NOP(); //For Debugger
//Exit LPM on USB receive and perform a receive
//operation
if (bCDCDataReceived_event){ //Some data is in the buffer; begin receiving a
//command
char pieceOfString[MAX_STR_LENGTH] = ""; //Holds the new addition to the string
char outString[MAX_STR_LENGTH] = ""; //Holds the outgoing string
//Add bytes in USB buffer to theCommand
cdcReceiveDataInBuffer((BYTE*)pieceOfString,
MAX_STR_LENGTH,
CDC0_INTFNUM); //Get the next piece of the string
strcat(wholeString,pieceOfString);
cdcSendDataInBackground((BYTE*)pieceOfString,
strlen(pieceOfString),CDC0_INTFNUM,0); //Echoes back the characters received (needed
//for Hyperterm)
if (retInString(wholeString)){ //Has the user pressed return yet?
if (!(strcmp(wholeString, "LED ON"))){ //Compare to string #1, and respond
TA1CTL &= ~MC_1; //Turn off Timer
P1OUT |= BIT0; //Turn on LED P1.0
strcpy(outString,"\r\nLED is ON\r\n\r\n"); //Prepare the outgoing string
cdcSendDataInBackground((BYTE*)outString,
strlen(outString),CDC0_INTFNUM,0); //Send the response over USB
} else if (!(strcmp(wholeString, "LED OFF"))){ //Compare to string #2, and respond
TA1CTL &= ~MC_1; //Turn off Timer
P1OUT &= ~BIT0; //Turn off LED P1.0
strcpy(outString,"\r\nLED is OFF\r\n\r\n"); //Prepare the outgoing string
cdcSendDataInBackground((BYTE*)outString,
strlen(outString),CDC0_INTFNUM,0); //Send the response over USB
} else if (!(strcmp(wholeString,
"LED TOGGLE - SLOW"))){ //Compare to string #3, and respond
TA1CTL &= ~MC_1; //Turn off Timer
TA1CCR0 = SlowToggle_Period; //Set Timer Period for slow LED toggle
TA1CTL |= MC_1; //Start Timer
strcpy(outString,
"\r\nLED is toggling slowly\r\n\r\n"); //Prepare the outgoing string
cdcSendDataInBackground((BYTE*)outString,
strlen(outString),CDC0_INTFNUM,0); //Send the response over USB
} else if (!(strcmp(wholeString,
"LED TOGGLE - FAST"))){ //Compare to string #4, and respond
TA1CTL &= ~MC_1; //Turn off Timer
TA1CCR0 = FastToggle_Period; //Set Timer Period for fast LED toggle
TA1CTL |= MC_1;
strcpy(outString,"\r\nLED is toggling fast\r\n\r\n"); //Prepare the outgoing string
cdcSendDataInBackground((BYTE*)outString,
strlen(outString),CDC0_INTFNUM,0); //Send the response over USB
} else { //Handle other
strcpy(outString,"\r\nNo such command!\r\n\r\n"); //Prepare the outgoing string
cdcSendDataInBackground((BYTE*)outString,
strlen(outString),CDC0_INTFNUM,0); //Send the response over USB
}
for (i = 0; i < MAX_STR_LENGTH; i++){ //Clear the string in preparation for the next
//one
wholeString[i] = 0x00;
}
}
bCDCDataReceived_event = FALSE;
}
break;
case ST_ENUM_SUSPENDED:
P1OUT &= ~BIT0; //When suspended, turn off LED
__bis_SR_register(LPM3_bits + GIE); //Enter LPM3 w/ interrupts
_NOP();
break;
case ST_ENUM_IN_PROGRESS:
break;
case ST_NOENUM_SUSPENDED:
P1OUT &= ~BIT0;
__bis_SR_register(LPM3_bits + GIE);
_NOP();
break;
case ST_ERROR:
_NOP();
break;
default:;
}
} //while(1)
} //main()
