Diff: Protocols/PAR8.cpp

Revision:

5:b222a9461d6b

Parent:

4:12ba0ecc2c1f

Child:

7:bb0383b91104

--- a/Protocols/PAR8.cpp	Sun Feb 15 20:06:07 2015 +0000
+++ b/Protocols/PAR8.cpp	Mon Feb 16 00:52:24 2015 +0000
@@ -174,7 +174,79 @@
     _CS = 1;
 #endif
 }
-
+unsigned int PAR8::rd_data32_wdummy()
+{
+#ifdef USE_CS
+    _CS = 0;
+#endif
+    unsigned int r=0;
+    _DC = 1; // 1=data
+   _port.input();
+   
+    _RD = 0;
+    _port.read(); //dummy read
+    _RD = 1;
+    
+    _RD = 0;
+ //   _RD = 0; // add wait
+    r |= (_port.read()&0xFF);
+    r <<= 8;
+    _RD = 1;
+    
+    _RD = 0;
+ //   _RD = 0; // add wait
+    r |= (_port.read()&0xFF);
+    r <<= 8;
+    _RD = 1;
+    
+    _RD = 0;
+//    _RD = 0; // add wait
+    r |= (_port.read()&0xFF);
+    r <<= 8;
+    _RD = 1;
+    
+    _RD = 0;
+ //   _RD = 0; // add wait
+    r |= (_port.read()&0xFF);
+    _RD = 1;
+    
+    _CS = 1; // force CS HIG to interupt the cmd in case was not supported
+#ifndef USE_CS //if CS is not used, force fixed LOW again
+    _CS = 0;
+#endif
+    _port.output();
+    return r;
+}
+unsigned short PAR8::rd_gram()
+{
+#ifdef USE_CS
+    _CS = 0;
+#endif
+    unsigned short r=0;
+    _DC = 1; // 1=data
+   _port.input();
+   
+    _RD = 0;
+    _port.read(); //dummy read
+    _RD = 1;
+    
+    _RD = 0;
+//    _RD = 0; // add wait
+    r |= (_port.read()&0xFF);
+    r <<= 8;
+    _RD = 1;
+    
+    _RD = 0;
+//    _RD = 0; // add wait
+    r |= (_port.read()&0xFF);
+    _RD = 1;
+    
+#ifdef USE_CS
+    _CS = 1;
+#endif
+    _port.output();
+    return r;
+}
 void PAR8::hw_reset()
 {
     wait_ms(15);