Subversion Repositories ft2232hcore

#include <stdio.h>

#include <unistd.h>

#include "hardware/usb_sync/usb_sync.h"

int main(void)

{

        printf("Started...\n");

        // Setup tx buffer with our sequence

        uint8_t buffer[1024];

        for (uint32_t i = 0; i < sizeof(buffer); i++)

                buffer[i] = (uint8_t) (i & 0xFF);

        int errors = 0;

        unsigned char sequence = 0;

        unsigned char tx_byte = 0;

        bool initialised = false;

        while (true)

        {

                // Check the driver's RX FIFO

                if (usb_kbhit())

                {

                        uint8_t c = usb_getch();

                        sequence++;

                        if (!initialised)

                        {

                                sequence = c;

                                initialised = true;

                        }

                        if (c != sequence)

                        {

                                errors++;

                                printf("Sequence errors: %d\n", errors);

                                sequence = c;

                        }

                }

                // Fill the driver's TX FIFO

                while (USB_TX_FREE >= (uint32_t) sizeof(buffer))

                        for (uint32_t i = 0; i < (uint32_t) sizeof(buffer); i++)

                                USB_DATA_WR(tx_byte++);

        }

        return 0;

}