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Added I2C port expander support to HD44780

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This commit is contained in:
Bob Clough 2013-02-25 14:22:14 +00:00
parent 06272f463d
commit 2b567d1df5
2 changed files with 22 additions and 8 deletions
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4
Marlin/Configuration.h
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@ -354,8 +354,8 @@ const bool Z_ENDSTOPS_INVERTING = true; // set to true to invert the logic of th
//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
// Port Expander Type - 0=PCF8574 or 1=MCP23008
#define LCD_I2C_TYPE 0
// I2C Address of the port expander
#define LCD_I2C_ADDRESS 0x20
#endif