Changeset 775

Timestamp:

07/31/08 13:20:15 (4 months ago)

Author:

liamstask

Message:

- add convenience routine for getting a single channel's value from the DIP switch, as per #45

Location:

firmware/trunk/libraries/dipswitch

Files:

• dipswitch.c (modified) (1 diff)
• dipswitch.h (modified) (1 diff)

firmware/trunk/libraries/dipswitch/dipswitch.c

@@ -116 +116 @@
 
   return r;
+}
+
+/**
+  Read a single channel's value.
+  @param channel The channel (0-7) you'd like to read.
+  return true if the channel is on, false if it's off.
+  @see DipSwitch_GetValue( )
+*/
+bool DipSwitch_GetValueChannel( int channel )
+{
+  if( channel < 0 || channel > 7 )
+    return CONTROLLER_ERROR_ILLEGAL_INDEX;
+
+  int val = DipSwitch_GetValue();
+  if( val < 0 )
+    return false;
+  else
+    return ((val << channel) & 0x1);
 }
 

firmware/trunk/libraries/dipswitch/dipswitch.h

@@ -31 +31 @@
 
 int DipSwitch_GetValue( void );
+bool DipSwitch_GetValueChannel( int channel );
 
 bool DipSwitch_GetAutoSend( bool init );