checkpoint

[slipway.git] / src / com / atmel / fpslic / FpslicPinsUsb.java

diff --git a/src/com/atmel/fpslic/FpslicPinsUsb.java b/src/com/atmel/fpslic/FpslicPinsUsb.java
deleted file mode 100644 (file)
index ebd25d3..0000000
--- a/src/com/atmel/fpslic/FpslicPinsUsb.java
+++ /dev/null
@@ -1,81 +0,0 @@
-package com.atmel.fpslic;
-import com.ftdi.usb.*;
-import java.io.*;
-
-/**
- * Exposes the raw pin-level configuration interface to the FPSLIC
- */
-public class FpslicPinsUsb implements FpslicPins {
-
-    private FtdiUart ftdiuart;
-
-    public FpslicPinsUsb(FtdiUart ftdiuart) {
-        this.ftdiuart = ftdiuart;
-    }
-
-    public void avrrstPin(boolean on)     throws IOException { setDBusLine(7, on); }
-    public void cclkPin(boolean on)       throws IOException { setDBusLine(6, on); }
-    public void configDataPin(boolean on) throws IOException { setDBusLine(5, on); }
-    public boolean initPin()              throws IOException { flush(); return (ftdiuart.readPins() & (1<<4))!=0; }
-
-    // tricky: RESET has a weak pull-up, and is wired to a CBUS line.  So,
-    //         we can pull it down (assert reset) from uart-mode, or we can
-    //         let it float upward from either mode.
-    public void resetPin(boolean on) throws IOException {
-        ftdiuart.uart_and_cbus_mode(1<<1, on ? (1<<1) : 0);
-        flush();
-        if (on) {
-            ftdiuart.dbus_mode(dmask);
-            flush();
-        }
-    }
-
-    public void flush() throws IOException { ftdiuart.getOutputStream().flush(); }
-
-    private int dbits = 0;
-    public void setDBusLine() throws IOException {
-        ftdiuart.getOutputStream().write((byte)dbits);
-    }
-    public void clearDBusLines() throws IOException {
-        dbits = 0;
-        setDBusLine();
-    }
-    public void setDBusLine(int bit, boolean val) throws IOException {
-        dbits = val ? (dbits | (1 << bit)) : (dbits & (~(1 << bit)));
-        setDBusLine();
-    }
-    
-    public void releaseConPin() throws IOException {
-        dmask &= ~(1<<0);
-        ftdiuart.dbus_mode(dmask);
-        flush();
-    }
-
-    public void conPin(boolean on) throws IOException {
-        dmask |= (1<<0);
-        ftdiuart.dbus_mode(dmask);
-        setDBusLine(0, on);
-        flush();
-    }
-
-    public void close() throws IOException {
-        // switching to uart mode will implicitly release AVRRST
-        avrrstPin(false);
-        ftdiuart.purge();
-        ftdiuart.uart_and_cbus_mode(1<<1, 1<<1);
-    }
-    
-    private int dmask =
-        (1<<0) |
-        (1<<1) |
-        (1<<2) |
-        //(1<<3) |
-        //(1<<4) |
-        (1<<5) |
-        (1<<6) |
-        (1<<7);
-
-    public InputStream  getUartInputStream() throws IOException { return ftdiuart.getInputStream(); }
-    public OutputStream getUartOutputStream() throws IOException { return ftdiuart.getOutputStream(); }
-}
-