Wim Huiskamp / TM1638

TM1638 LED controller. Max 80 LEDs, Max 24 Key scan. Supports LED&KEY, QYF-TM1638 and JY-LKM1638 module.

Dependents:   mbed_TM1638 Otjimaniya RL0201-V1

See here for more information.

Diff: TM1638.cpp

Revision:
3:25ddabfadc8c
Parent:
2:532ce15ea9ec
Child:
4:b2bbdc58967e
diff -r 532ce15ea9ec -r 25ddabfadc8c TM1638.cpp
--- a/TM1638.cpp	Fri Jan 15 19:09:59 2016 +0000
+++ b/TM1638.cpp	Tue Jan 19 18:58:22 2016 +0000
@@ -190,6 +190,7 @@
   *  @param  char data
   *  @return bitreversed data
   */ 
+#if(1)
 char TM1638::_flip(char data) {
  char value=0;
   
@@ -203,7 +204,14 @@
  if (data & 0x80) {value |= 0x01;} ;
  return value;       
 }
+#else
+char TM1638::_flip(char data) {
 
+ data   = (((data & 0xAA) >> 1) | ((data & 0x55) << 1));
+ data   = (((data & 0xCC) >> 2) | ((data & 0x33) << 2));
+ return   (((data & 0xF0) >> 4) | ((data & 0x0F) << 4));
+}
+#endif
 
 /** Write command and parameter to TM1638
   *  @param  int cmd Command byte