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Tweak some LCD comments

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Scott Lahteine 2018-05-19 20:37:45 -05:00
parent 7dc03ce721
commit 228139eae6
1 changed files with 2 additions and 2 deletions
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Marlin/src/lcd/ultralcd_common_HD44780.h
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@ -128,7 +128,7 @@ extern volatile uint8_t buttons; //an extended version of the last checked butt
////////////////////////////////////
// Create LCD class instance and chipset-specific information
#if ENABLED(LCD_I2C_TYPE_PCF8575)
// note: these are register mapped pins on the PCF8575 controller not Arduino pins
// NOTE: These are register-mapped pins on the PCF8575 controller, not Arduino pins.
#define LCD_I2C_PIN_BL 3
#define LCD_I2C_PIN_EN 2
#define LCD_I2C_PIN_RW 1
@ -144,7 +144,7 @@ extern volatile uint8_t buttons; //an extended version of the last checked butt
#define LCD_CLASS LiquidCrystal_I2C
#elif ENABLED(LCD_I2C_TYPE_MCP23017)
//for the LED indicators (which maybe mapped to different things in lcd_implementation_update_indicators())
// For the LED indicators (which may be mapped to different events in lcd_implementation_update_indicators())
#define LED_A 0x04 //100
#define LED_B 0x02 //010
#define LED_C 0x01 //001