Begin filling in the analyzer

src/net/hkzlab/dupal/boardio/DuPALAnalyzer.java

@@ -4,6 +4,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import net.hkzlab.devices.PALSpecs;
+import net.hkzlab.dupal.dupalproto.DuPALProto;
 
 public class DuPALAnalyzer {
     private final Logger logger = LoggerFactory.getLogger(DuPALAnalyzer.class);
@@ -32,6 +33,34 @@ public class DuPALAnalyzer {
     }
 
     private void guessIOs() {
+        int inmask = pspecs.getINMask() | pspecs.getIO_WRITEMask();
 
+        int read, out_pins = 0;
+        for(int idx = 0; idx <= inmask; idx++) {
+            if((idx & ~inmask) != 0) continue; // We need to skip this round
+
+            for(int i_idx = 0; i_idx <= inmask; i_idx++) {
+                if((i_idx & ~inmask) != 0) continue; // We need to skip this round
+
+                dpm.writeCommand(DuPALProto.buildWRITECommand((i_idx | pspecs.getIO_WRITEMask()) & ~(pspecs.getOEPinMask() | pspecs.getCLKPinMask() )));
+                dpm.writeCommand(DuPALProto.buildREADCommand());
+                read = DuPALProto.handleREADResponse(dpm.readResponse());
+                out_pins |= (read ^ pspecs.getIO_READMask());
+                
+                dpm.writeCommand(DuPALProto.buildWRITECommand(i_idx & ~(pspecs.getOEPinMask() | pspecs.getCLKPinMask() | pspecs.getIO_WRITEMask())));
+                dpm.writeCommand(DuPALProto.buildREADCommand());
+                read = DuPALProto.handleREADResponse(dpm.readResponse());
+                out_pins |= ((read ^ ~pspecs.getIO_READMask()) & pspecs.getIO_READMask());
+            }
+
+            pulseClock(idx & ~pspecs.getOEPinMask());
+        }
+
+        System.out.println("TEST - guessIO: " + Integer.toHexString(out_pins));
+    }
+
+    private void pulseClock(int addr) {
+        dpm.writeCommand(DuPALProto.buildWRITECommand((addr | pspecs.getCLKPinMask()) & ~pspecs.getOEPinMask())); // Clock high,
+        dpm.writeCommand(DuPALProto.buildWRITECommand(addr & ~(pspecs.getOEPinMask() | pspecs.getCLKPinMask()))); // Clock low
     }
 }