Additional details for I2C_SLAVE_ADDRESS

2016-08-12 00:51:25 -07:00
parent 7427290d3a
commit d63b8e2b2b
22 changed files with 36 additions and 20 deletions
--- a/Marlin/twibus.cpp
+++ b/Marlin/twibus.cpp
@ -43,6 +43,11 @@ void TWIBus::reset() {
 }

 void TWIBus::address(const uint8_t adr) {
+  if (adr < 8 || adr > 127) {
+    SERIAL_ECHO_START;
+    SERIAL_ECHOLNPGM("Bad I2C address (8-127)");
+  }
+
  this->addr = adr;

  #if ENABLED(DEBUG_TWIBUS)