package edu.berkeley.slipway;
+import com.ftdi.usb.*;
import com.atmel.fpslic.*;
import edu.berkeley.obits.*;
-import org.ibex.util.Log;
+import org.ibex.util.*;
import java.io.*;
import java.util.*;
import gnu.io.*;
public class FtdiBoard extends Board {
static {
- System.load(new File("build/"+System.mapLibraryName("Ftdi")).getAbsolutePath());
+ System.load(new File("build/"+System.mapLibraryName("FtdiUartNative")).getAbsolutePath());
}
- private final ChipImpl chip;
+ private final FpslicRaw chip;
private final InputStream in;
private final OutputStream out;
public OutputStream getOutputStream() { return out; }
public FtdiBoard() throws Exception {
- chip = new ChipImpl();
- boot(new InputStreamReader(new FileInputStream("bitstreams/usbdrone.bst")));
+ chip = new FpslicRaw(new FpslicPinsUsb(new FtdiUart(0x6666, 0x3133, 1500 * 1000)));
+ String bstFile = this.getClass().getName();
+ bstFile = bstFile.substring(0, bstFile.lastIndexOf('.'));
+ bstFile = bstFile.replace('.', '/')+"/slipway_drone.bst";
+ boot(new InputStreamReader(this.getClass().getClassLoader().getResourceAsStream(bstFile)));
in = chip.getInputStream();
out = chip.getOutputStream();
for(int i=0; i<255; i++) out.write(0);
out.flush();
}
- public void reset() {
- chip.doReset();
+ public void reset() throws IOException {
+ chip.reset();
}
public void boot(Reader r) throws Exception {
- boolean pin;
- Chip d = chip;
- //d.buffered(false);
-
- d.doReset();
- d.config(0,3);
- d.con();
- d.config(0,7);
- d.flush();
- //d.flush();
- d.config(Integer.parseInt("10110111", 2), 8);
- d.config(0,1);
- d.flush();
- try { Thread.sleep(100); } catch (Exception e) { }
- pin = d.initErr();
- System.out.println("good preamble => " + pin + " " + (pin ? green("good") : red("BAD")));
-
- d.doReset();
- try { Thread.sleep(100); } catch (Exception e) { }
- d.config(0,3);
- d.con();
- d.config(0,6);
- d.flush();
- //d.flush();
- d.config(Integer.parseInt("10110111", 2), 8);
- d.config(0, 2);
- d.flush();
- try { Thread.sleep(100); } catch (Exception e) { }
- pin = d.initErr();
- System.out.println("bad preamble #2 => " + pin + " " + (pin ? red("BAD") : green("good")));
-
- d.doReset();
- try { Thread.sleep(100); } catch (Exception e) { }
- d.config(0,3);
- d.con();
- d.config(0,7);
- d.flush();
- //d.flush();
- d.config(Integer.parseInt("11110111", 2), 8);
- d.config(0, 1);
- d.flush();
- try { Thread.sleep(100); } catch (Exception e) { }
- pin = d.initErr();
- System.out.println("bad preamble #1 => " + pin + " " + (pin ? red("BAD") : green("good")));
-
- d.doReset();
-
- d.config(0,10);
- d.con();
- //d.config(Integer.parseInt("10110111", 2));
- //d.config(0);
+ chip.selfTest();
+ int total = 75090/9;
+ OutputStream os = new ProgressOutputStream("bootstrap bitstream:", chip.getConfigStream(), total);
BufferedReader br = new BufferedReader(r);
- br.readLine();
+
int bytes = 0;
- //System.out.println("cts="+""+" pins=" + pad(Integer.toString(d.readPins()&0xff,2),8));
while(true) {
String s = br.readLine();
if (s==null) break;
- int in = Integer.parseInt(s, 2);
bytes++;
- for(int i=7; i>=0; i--) {
- d.config((((in & 0xff) & (1<<i))!=0)?1:0, 1);
- boolean init = true; // d.initErr()
- if (bytes < 100 || (bytes % 1000)==0) {
- d.flush();
- init = d.initErr();
- System.out.print("wrote " + bytes + " bytes, init="+init+" \r");
- d.rcon();
- }
- if (!init)
- throw new RuntimeException("initialization failed at byte " + bytes + ", bit " + i);
- }
- }
-
-
- d.flush();
- if (!d.initErr())
- throw new RuntimeException("initialization failed at " + bytes);
- //System.out.println("cts="+""+" pins=" + pad(Integer.toString(d.readPins()&0xff,2),8));
-
-
- for(int i=0; i<100; i++) {
- d.flush();
- if (!d.initErr())
- throw new RuntimeException("initialization failed at " + bytes);
- try { Thread.sleep(20); } catch (Exception e) { }
- d.config(0,1);
+ os.write((byte)Integer.parseInt(s, 2));
+ if ((bytes % 1000)==0) os.flush();
}
-
- System.out.println();
- System.out.println("avr reset => false");
- d.avrrst(false);
- try { Thread.sleep(500); } catch (Exception e) { }
- //System.out.println("cts="+""+" pins=" + pad(Integer.toString(d.readPins()&0xff,2),8));
-
- //((ChipImpl)d).avr();
-
- //System.out.println("avr reset => true");
- chip.purge();
- chip.uart(1<<1, 1<<1);
-
- //d.avrrst(true);
- //try { Thread.sleep(500); } catch (Exception e) { }
- //System.out.println("cts="+""+" pins=" + pad(Integer.toString(d.readPins()&0xff,2),8));
+ os.close();
}
public static String pad(String s, int i) {
if (s.length() >= i) return s;
return "0"+pad(s, i-1);
}
- public static String red(Object o) { return "\033[31m"+o+"\033[0m"; }
- public static String green(Object o) { return "\033[32m"+o+"\033[0m"; }
}