InterruptIn style DigitalIn debounced with callbacks for pin state change and pin state hold.

Dependents:   AVC_20110423 SimplePIDBot Pushbutton_Debounce_Interrupt FinalProgram ... more

Revision:
2:cb3afc45028b
Parent:
1:611a8f5ac65c
diff -r 611a8f5ac65c -r cb3afc45028b ChangeLog.h
--- a/ChangeLog.h	Thu Jan 13 09:53:26 2011 +0000
+++ b/ChangeLog.h	Thu Jan 13 11:09:22 2011 +0000
@@ -19,6 +19,10 @@
     OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     THE SOFTWARE.
 
+    1.5     13 Jan 2011 - Made the isr() protected and made the class a friend of Ticker.
+                          Read the previous state and store when the sample frequency is
+                          set so that initial assert_deassert_held() isn't called at startup.
+                              
     1.4     13 Jan 2011 - Added an extra overloaded constructor that allows
                           the DigitalIn PinMode to be passed when the the class
                           is declared. So mode() isn't really needed but is left