Added Config variables for activating I2C LCDs and setting type and address

12 years ago · 06272f463d
parent 83e33bdd26
commit 06272f463d
1 changed files with 12 additions and 3 deletions
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@ -351,6 +351,15 @@ const bool Z_ENDSTOPS_INVERTING = true; // set to true to invert the logic of th
  #endif
 #endif

+//The LCD is attached via an I2C port expander.
+//#define LCD_I2C
+#ifdef LCD_I2C
+  // Port Expander Type - PCF8574 or MCP23008
+  #define LCD_I2C_TYPE PCF8574
+  // I2C Address of the port expander
+  #define LCD_I2C_ADDRESS 0x20
+#endif
+
 // Increase the FAN pwm frequency. Removes the PWM noise but increases heating in the FET/Arduino
 //#define FAST_PWM_FAN