add documentation

orgua · Sep 26, 2016 · 68097fc · 68097fc
1 parent 735579a
commit 68097fc
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/examples/debug/nanoseconds_delay/nanoseconds_delay.ino b/examples/debug/nanoseconds_delay/nanoseconds_delay.ino
@@ -173,7 +173,7 @@ void setup()
  DIRECT_WRITE_LOW(debug_baseReg, debug_bitMask);
  DIRECT_MODE_OUTPUT(debug_baseReg, debug_bitMask);
 
- // measurement with logic analyzer was fine! 
+ // measurement with logic analyzer was fine!
 
  { // just delay
  DIRECT_WRITE_HIGH(debug_baseReg, debug_bitMask);

diff --git a/src/OneWireHub.cpp b/src/OneWireHub.cpp
@@ -453,6 +453,9 @@ bool OneWireHub::recvAndProcessCmd(void)
  case 0x3C: // overdrive SKIP ROM
  overdrive_mode = true;
  case 0xCC: // SKIP ROM
+ // NOTE: If more than one slave is present on the bus,
+ // and a read command is issued following the Skip ROM command,
+ // data collision will occur on the bus as multiple slaves transmit simultaneously
  slave_selected = nullptr;
 
  for (uint8_t i = 0; i < ONEWIRESLAVE_LIMIT; ++i)