/home/ron/Desktop/Downloads/project/QlightRead_hw/at90usbxx2_driver.c

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#include "at90usbxx2_driver.h"

USB_ClassInfo_CDC_Device_t PAMO_CDC_Interface = {
                .Config =
                        {
                                .ControlInterfaceNumber         = 0,

                                .DataINEndpointNumber           = DATAINEP,
                                .DataINEndpointSize             = DATAINSIZE,
                                .DataINEndpointDoubleBank       = false,

                                .DataOUTEndpointNumber          = DATAOUTEP, 
                                .DataOUTEndpointSize            = DATAOUTSIZE,
                                .DataOUTEndpointDoubleBank      = false,

                        },
        };

void USB_re_fresh(void) {
        usb_control();
        _delay_ms(20);
}
 
SINT8 SPI_init(void) {

        /* Set pin PB0 (SS), PB1 (SCLK) to Output */
        DDRB = (1<<DDB0) | (1<<DDB1);

        /* Enable SPI Module */
        PRR0 &= ~(1<<PRSPI);

        /* Enable Spi, set SPI as Master, set frequenzy prescaler 1/128 */
        SPCR = (1<<SPE) | (1<<MSTR) | (1<<SPR1) | (1<<SPR0);

        return 0;
}

SINT8 uC_init(void) {

        DDRB = 0xFF;        // PORTB auf output setzen
        PORTB = 0xFF;
        CKSEL0 = 0x05;  //set external oscillator (16Mhz)
        CKSEL1 = 0x0E;  
        CLKPR = 0x80;   //set prescaler to 1
        CLKPR = 0x00;
        return 0;
}

SINT8 USART_init(void) {

        /* set wordwidth
        8 data, 2 stop bits
        */
        UCSR1C = (1<<USBS1)|(3<<UCSZ10);

        /* enable Transmitter */
        UCSR1B |= (1<<TXEN1);

        /* enable Interrupt on Transmit Complete */
        UCSR1B |= (1<<TXCIE1);

        /* set baudrate */
        UBRR1H = (unsigned char) (BRATE>>8);
        UBRR1L = (unsigned char) BRATE;

        return 0;
}

SINT8 SPIclkenable(void){
        SPDR = 0;
        while(!(SPSR & (1<<SPIF)));
        return 0;
}

UINT8 getSPIvalue(void) {
        while(!(SPSR & (1<<SPIF)));
        return SPDR;
}

void SET_CS(void) {
        PORTB &= ~(1<<PB0);
}

void _SET_CS(void) {
        PORTB |= (1<<PB0);
}

SINT8 USB_init(void) {
        /* Disable clock division */
        clock_prescale_set(clock_div_1);

        /* Hardware Initialization */
        USB_Init();
        return 0;
}

void EVENT_USB_Device_Connect(void) {
        PORTB &= ~(1<<PB6);
}

 void EVENT_USB_Device_Disconnect(void) {
        PORTB |= (1<<PB6);
}

void EVENT_USB_Device_ConfigurationChanged(void) {
        bool ConfigSuccess = true;
        ConfigSuccess &= CDC_Device_ConfigureEndpoints(&PAMO_CDC_Interface);
}

void EVENT_USB_Device_ControlRequest(void) {
        CDC_Device_ProcessControlRequest(&PAMO_CDC_Interface);
}

void usb_control(void) {

                CDC_Device_USBTask(&PAMO_CDC_Interface);
                USB_USBTask();

}

SINT8 write_EndPoint(UINT16 value) {
        
        Endpoint_SelectEndpoint(DATAINEP);
        char buf[16];   
        sprintf(buf,"%d",value);
        /* Write the String to the Endpoint */
        Endpoint_Write_Stream_LE(buf, DATAINSIZE , NULL);
        /* Finalize the stream transfer to send the last packet */
        Endpoint_ClearIN();

        return 0;
}