int uart_putc(int port, char c)
{
if (c == '\n') {
_uart_putc(0, '\r');
}
_uart_putc(0, c);
}
static int _uart_putc(char c, FILE* stream) {
if (c == '\n') {
_uart_putc('\r', NULL);
}
uart_putc(c);
return 0;
}
/* -------------------------------------------------------------------------- */
int
_read (int file,
char *buf,
int len)
{
if (STDIN_FILENO == file)
{
int i;
for (i = 0; i < len; i++)
{
buf[i] = _uart_getc ();
#ifdef UART_AUTO_ECHO
_uart_putc (buf[i]);
#endif
/* Return partial buffer if we get EOL */
if ('\n' == buf[i])
{
return i;
}
}
return i; /* Filled the buffer */
}
else
{
errno = EBADF;
return -1;
}
} /* _read () */
