From 28440867721b5c614db604c6c6e82c4dd7ab41cb Mon Sep 17 00:00:00 2001 From: Darren Peter Date: Wed, 23 Dec 2020 07:21:02 +0000 Subject: [PATCH] Support ANET_FULL_GRAPHICS_LCD_ALT_WIRING on BTT SKR 1.4 (#20427) --- Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h | 31 ++++++++++++++++++- Marlin/src/pins/lpc1768/pins_BTT_SKR_common.h | 2 +- 2 files changed, 31 insertions(+), 2 deletions(-) diff --git a/Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h b/Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h index 86fbd18ba2..d599f2414f 100644 --- a/Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h +++ b/Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h @@ -260,7 +260,36 @@ #if HAS_WIRED_LCD && !HAS_BTT_EXP_MOT #if ENABLED(ANET_FULL_GRAPHICS_LCD_ALT_WIRING) - #error "ANET_FULL_GRAPHICS_LCD_ALT_WIRING only applies to the ANET 1.0 board." + #error "CAUTION! ANET_FULL_GRAPHICS_LCD_ALT_WIRING requires wiring modifications. See 'pins_BTT_SKR_V1_4.h' for details. Comment out this line to continue." + + /** + * 1. Cut the tab off the LCD connector so it can be plugged into the "EXP1" connector the other way. + * 2. Swap the LCD's +5V (Pin2) and GND (Pin1) wires. (This is the critical part!) + * + * !!! If you are unsure, ask for help! Your motherboard may be damaged in some circumstances !!! + * + * The ANET_FULL_GRAPHICS_LCD_ALT_WIRING connector plug: + * + * BEFORE AFTER + * _____ _____ + * GND | 1 2 | 5V 5V | 1 2 | GND + * CS | 3 4 | BTN_EN2 CS | 3 4 | BTN_EN2 + * SID | 5 6 BTN_EN1 SID | 5 6 BTN_EN1 + * open | 7 8 | BTN_ENC open | 7 8 | BTN_ENC + * CLK | 9 10| Beeper CLK | 9 10| Beeper + * ----- ----- + * LCD LCD + */ + + #define LCD_PINS_RS EXPA1_07_PIN + + #define BTN_EN1 EXPA1_05_PIN + #define BTN_EN2 EXPA1_04_PIN + #define BTN_ENC EXPA1_10_PIN + + #define LCD_PINS_ENABLE EXPA1_08_PIN + #define LCD_PINS_D4 EXPA1_06_PIN + #define BEEPER_PIN EXPA1_03_PIN #elif ENABLED(ANET_FULL_GRAPHICS_LCD) #error "CAUTION! ANET_FULL_GRAPHICS_LCD requires wiring modifications. See 'pins_BTT_SKR_V1_4.h' for details. Comment out this line to continue." diff --git a/Marlin/src/pins/lpc1768/pins_BTT_SKR_common.h b/Marlin/src/pins/lpc1768/pins_BTT_SKR_common.h index 279c7e8100..533c92e067 100644 --- a/Marlin/src/pins/lpc1768/pins_BTT_SKR_common.h +++ b/Marlin/src/pins/lpc1768/pins_BTT_SKR_common.h @@ -104,7 +104,7 @@ // // LCD / Controller // -#if HAS_WIRED_LCD && DISABLED(LCD_USE_I2C_BUZZER) +#if !defined(BEEPER_PIN) && HAS_WIRED_LCD && DISABLED(LCD_USE_I2C_BUZZER) #define BEEPER_PIN P1_30 // (37) not 5V tolerant #endif