/*
This file is part of JOP, the Java Optimized Processor
see <http://www.jopdesign.com/>
Copyright (C) 2001-2008, Martin Schoeberl (martin@jopdesign.com)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Created on 30.05.2005
*
*/
package wishbone;
import com.jopdesign.sys.Const;
import com.jopdesign.sys.Native;
/**
* @author admin
*
*/
public class Usb {
public static void main(String[] args) {
System.out.println("USB Test");
read();
}
public static void echo() {
int val, flags;
for(;;) {
flags = Native.rdMem(Const.IO_USB_STATUS);
if ((flags & Const.MSK_UA_RDRF)!=0) {
val = Native.rdMem(Const.IO_USB_DATA);
if ((flags & Const.MSK_UA_TDRE)!=0) {
Native.wrMem(val, Const.IO_USB_DATA);
}
}
}
}
public static void read() {
int tim = Native.rd(Const.IO_US_CNT)+1000000;
int cnt = 0;
for(;;) {
while ((Native.rdMem(Const.IO_USB_STATUS) & Const.MSK_UA_RDRF)!=0) {
Native.rdMem(Const.IO_USB_DATA);
++cnt;
}
if (tim-Native.rd(Const.IO_US_CNT) < 0) {
cnt /= 1024;
System.out.print(cnt);
System.out.print(" KB/s \r");
cnt = 0;
tim = Native.rd(Const.IO_US_CNT)+1000000;;
}
}
}
public static void write() {
int tim = Native.rd(Const.IO_US_CNT)+1000000;
int cnt = 0;
for(;;) {
while ((Native.rdMem(Const.IO_USB_STATUS) & Const.MSK_UA_TDRE)!=0) {
Native.wrMem('x', Const.IO_USB_DATA);
++cnt;
}
if (tim-Native.rd(Const.IO_US_CNT) < 0) {
cnt /= 1024;
System.out.print(cnt);
System.out.print(" KB/s \r");
cnt = 0;
tim = Native.rd(Const.IO_US_CNT)+1000000;;
}
}
}
}