main.c

#include <arch/antares.h>
#include <avr/boot.h>
#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include <generated/usbconfig.h>
#include <arch/vusb/usbportability.h>
#include <arch/vusb/usbdrv.h>

#include <lib/light_ws2812.h>

unsigned char iobuf[16];
struct cRGB target[2] = { 
        { 0xff, 0, 0 },
        { 0xff, 0, 0 }
};

struct cRGB current[2] = { 
        { 0x00, 0xff, 0 },
        { 0x00, 0xff, 0 }
};


uchar   usbFunctionSetup(uchar data[8])
{
        usbRequest_t    *rq = (void *)data;
        switch (rq->bRequest) { 
        case 0:
                target[0].r=rq->wValue.bytes[0];
                target[0].g=rq->wValue.bytes[1];
                target[0].b=rq->wValue.bytes[2];
                ws2812_setleds(&target, 2); 
                break;
        case 1:
                ws2812_setleds(&target, 2); 
                _delay_ms(rq->wValue.word);
                ws2812_setleds(&current, 2); 
                break;
        case 2: { 
                usbMsgPtr = iobuf;
                return 8;
        }
        case 3: 
                return USB_NO_MSG;
        }

        return 0;
}

uchar usbFunctionWrite(uchar *data, uchar len)
{
        memcpy(iobuf, data, len);
        return 1;
}

inline void usbReconnect()
{
        DDRD=0xff;
        _delay_ms(250);
        DDRD=0;
}

ANTARES_INIT_LOW(io_init)
{
        DDRC=1<<2;
        PORTC=0xff;
        usbReconnect();
}

ANTARES_INIT_HIGH(uinit)
{
        usbInit();
}


ANTARES_APP(usb_app)
{
        while (1) { 
                usbPoll();
        }
}