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;
}