PWM on Xmega

gistfile1.c

#include "usb.h"


// PORT C
#define PWM1 (1<<0)
#define PWM2 (1<<1)

int main(void){
	sei();
	
	USB_ConfigureClock();
	USB_Init();
	
	PORTC.DIRSET = PWM1 | PWM2 | (1<<7);
	PORTC.OUTSET = (1<<7);
	PORTC.PIN1CTRL = PORT_INVEN_bm;
	
	TCC0.CTRLA = TC_CLKSEL_DIV1_gc;
	TCC0.CTRLB = TC0_CCAEN_bm | TC0_CCBEN_bm | TC_WGMODE_SINGLESLOPE_gc;
	
	TCC0.PER = 1024;
	TCC0.CCA = 512;
	TCC0.CCB = 512;
	TCC0.CNT = 0;

	while (1){ 
		USB_Task();
	}
}

/** Event handler for the library USB Control Request reception event. */
bool EVENT_USB_Device_ControlRequest(USB_Request_Header_t* req){
	if ((req->bmRequestType & CONTROL_REQTYPE_TYPE) == REQTYPE_VENDOR){
		if (req->bRequest == 0x02){
			TCC0.CCA = TCC0.CCB = req->wValue;
			USB_ep0_send(0);
			return true;
		}else if (req->bRequest == 0x03){
			TCC0.PER = req->wValue;
			USB_ep0_send(0);
			return true;
		}else if (req->bRequest == 0xBB){
			USB_ep0_send(0);
			USB_ep0_wait_for_complete();
			_delay_us(10000);
			USB_Detach();
			_delay_us(100000);
			void (*enter_bootloader)(void) = (void *) 0x47fc /*0x8ff8/2*/;
			enter_bootloader();
		}
	}
	
	return false;
}