/*
* Returns true if an usbgecko adapter is found.
*/
static int ug_is_adapter_present(void)
{
if (!ug_io_base)
return 0;
return ug_io_transaction(0x90000000) == 0x04700000;
}
/*
* Tries to receive a character.
* If a character is unavailable the function returns -1.
*/
static int ug_raw_getc(void)
{
u32 data = ug_io_transaction(0xa0000000);
if (data & 0x08000000)
return (data >> 16) & 0xff;
else
return -1;
static void ug_raw_putc(char ch)
{
ug_io_transaction(0xb0000000 | (ch << 20));
}
static int ug_is_txfifo_ready(void)
{
return ug_io_transaction(0xc0000000) & 0x04000000;
}
