♻️ LCD pins migration precursor (MarlinFirmware#26719)

Preliminary changes for MarlinFirmware#25650

Author: thinkyhead

Marlin/src/HAL/DUE/HAL_SPI.cpp

@@ -42,7 +42,7 @@
 // Public functions
 // ------------------------
 
-#if ANY(DUE_SOFTWARE_SPI, FORCE_SOFT_SPI)
+#if ANY(SOFTWARE_SPI, FORCE_SOFT_SPI)
 
   // ------------------------
   // Software SPI

Marlin/src/HAL/DUE/inc/SanityCheck.h

@@ -72,10 +72,10 @@
 
 #if HAS_MEDIA && HAS_DRIVER(TMC2130)
   #if ENABLED(TMC_USE_SW_SPI)
-    #if DISABLED(DUE_SOFTWARE_SPI) && (_IS_HW_SPI(MOSI) || _IS_HW_SPI(MISO) || _IS_HW_SPI(SCK))
+    #if DISABLED(SOFTWARE_SPI) && (_IS_HW_SPI(MOSI) || _IS_HW_SPI(MISO) || _IS_HW_SPI(SCK))
       #error "DUE hardware SPI is required but is incompatible with TMC2130 software SPI. Either disable TMC_USE_SW_SPI or use separate pins for the two SPIs."
     #endif
-  #elif ENABLED(DUE_SOFTWARE_SPI)
+  #elif ENABLED(SOFTWARE_SPI)
     #error "DUE software SPI is required but is incompatible with TMC2130 hardware SPI. Enable TMC_USE_SW_SPI to fix."
   #endif
 #endif

Marlin/src/HAL/DUE/spi_pins.h

@@ -48,7 +48,7 @@
   #define SD_MOSI_PIN       75
 #else
   // defaults
-  #define DUE_SOFTWARE_SPI
+  #define SOFTWARE_SPI
   #ifndef SD_SCK_PIN
     #define SD_SCK_PIN      52
   #endif

Marlin/src/HAL/LINUX/spi_pins.h

@@ -21,9 +21,6 @@
  */
 #pragma once
 
-#include "../../core/macros.h"
-#include "../../inc/MarlinConfigPre.h"
-
 #if ALL(HAS_MARLINUI_U8GLIB, HAS_MEDIA) && (LCD_PINS_D4 == SD_SCK_PIN || LCD_PINS_EN == SD_MOSI_PIN || DOGLCD_SCK == SD_SCK_PIN || DOGLCD_MOSI == SD_MOSI_PIN)
   #define SOFTWARE_SPI  // If the SD card and LCD adapter share the same SPI pins, then software SPI is currently
                         // needed due to the speed and mode required for communicating with each device being different.

Marlin/src/HAL/LPC1768/spi_pins.h

@@ -21,9 +21,7 @@
  */
 #pragma once
 
-#include "../../core/macros.h"
-
-#if ALL(HAS_MEDIA, HAS_MARLINUI_U8GLIB) && (LCD_PINS_D4 == SD_SCK_PIN || LCD_PINS_EN == SD_MOSI_PIN || DOGLCD_SCK == SD_SCK_PIN || DOGLCD_MOSI == SD_MOSI_PIN)
+#if ALL(HAS_MARLINUI_U8GLIB, HAS_MEDIA) && (LCD_PINS_D4 == SD_SCK_PIN || LCD_PINS_EN == SD_MOSI_PIN || DOGLCD_SCK == SD_SCK_PIN || DOGLCD_MOSI == SD_MOSI_PIN)
   #define SOFTWARE_SPI  // If the SD card and LCD adapter share the same SPI pins, then software SPI is currently
                         // needed due to the speed and mode required for communicating with each device being different.
                         // This requirement can be removed if the SPI access to these devices is updated to use

Marlin/src/HAL/NATIVE_SIM/spi_pins.h

@@ -21,9 +21,6 @@
  */
 #pragma once
 
-#include "../../core/macros.h"
-#include "../../inc/MarlinConfigPre.h"
-
 #if ALL(HAS_MARLINUI_U8GLIB, HAS_MEDIA) && (LCD_PINS_D4 == SD_SCK_PIN || LCD_PINS_EN == SD_MOSI_PIN || DOGLCD_SCK == SD_SCK_PIN || DOGLCD_MOSI == SD_MOSI_PIN)
   #define SOFTWARE_SPI      // If the SD card and LCD adapter share the same SPI pins, then software SPI is currently
                             // needed due to the speed and mode required for communicating with each device being different.

Marlin/src/MarlinCore.cpp

@@ -1063,7 +1063,7 @@ inline void tmc_standby_setup() {
  *  - Init the buzzer, possibly a custom timer
  *  - Init more optional hardware:
  *    • Color LED illumination
- *    • Neopixel illumination
+ *    • NeoPixel illumination
  *    • Controller Fan
  *    • Creality DWIN LCD (show boot image)
  *    • Tare the Probe if possible

Marlin/src/inc/Conditionals_LCD.h

@@ -575,7 +575,7 @@
   #define MKS_MINI_12864
 #endif
 
-// MKS_MINI_12864_V3 , BTT_MINI_12864 and BEEZ_MINI_12864 have identical pinouts to FYSETC_MINI_12864_2_1
+// MKS_MINI_12864_V3 , BTT_MINI_12864 and BEEZ_MINI_12864 are nearly identical to FYSETC_MINI_12864_2_1
 #if ANY(MKS_MINI_12864_V3, BTT_MINI_12864, BEEZ_MINI_12864)
   #define FYSETC_MINI_12864_2_1
 #endif

Marlin/src/inc/Conditionals_post.h

@@ -3215,18 +3215,6 @@
   #undef SOUND_ON_DEFAULT
 #endif
 
-/**
- * Make sure DOGLCD_SCK and DOGLCD_MOSI are defined.
- */
-#if HAS_MARLINUI_U8GLIB
-  #ifndef DOGLCD_SCK
-    #define DOGLCD_SCK  SD_SCK_PIN
-  #endif
-  #ifndef DOGLCD_MOSI
-    #define DOGLCD_MOSI SD_MOSI_PIN
-  #endif
-#endif
-
 /**
  * Z_CLEARANCE_FOR_HOMING / Z_CLEARANCE_BETWEEN_PROBES
  */

Marlin/src/lcd/dogm/marlinui_DOGM.cpp

@@ -311,9 +311,6 @@ void MarlinUI::init_lcd() {
 
   #if ANY(MKS_12864OLED, MKS_12864OLED_SSD1306, FYSETC_242_OLED_12864, ZONESTAR_12864OLED, K3D_242_OLED_CONTROLLER)
     SET_OUTPUT(LCD_PINS_DC);
-    #ifndef LCD_RESET_PIN
-      #define LCD_RESET_PIN LCD_PINS_RS
-    #endif
   #endif
 
   #if PIN_EXISTS(LCD_RESET)

Marlin/src/lcd/dogm/marlinui_DOGM.h

@@ -40,13 +40,16 @@
     #ifdef __SAMD21__
       #define U8G_CLASS U8GLIB_ST7920_128X64_4X_HAL
     #else
+      // Hardware SPI on DUE
       #define U8G_CLASS U8GLIB_ST7920_128X64_4X
     #endif
     #define U8G_PARAM LCD_PINS_RS
   #elif (LCD_PINS_D4 == SD_SCK_PIN) && (LCD_PINS_EN == SD_MOSI_PIN)
+    // Hardware SPI shared with SD Card
     #define U8G_CLASS U8GLIB_ST7920_128X64_4X_HAL
     #define U8G_PARAM LCD_PINS_RS
   #else
+    // Software SPI
     #define U8G_CLASS U8GLIB_ST7920_128X64_4X
     #define U8G_PARAM LCD_PINS_D4, LCD_PINS_EN, LCD_PINS_RS
   #endif
@@ -97,7 +100,7 @@
   #define SMART_RAMPS MB(RAMPS_SMART_EFB, RAMPS_SMART_EEB, RAMPS_SMART_EFF, RAMPS_SMART_EEF, RAMPS_SMART_SF)
   #define U8G_CLASS U8GLIB_64128N_2X_HAL                        // 4 stripes (HW-SPI)
 
-  #if (SMART_RAMPS && defined(__SAM3X8E__)) || DOGLCD_SCK != SD_SCK_PIN || DOGLCD_MOSI != SD_MOSI_PIN
+  #if (SMART_RAMPS && defined(__SAM3X8E__)) || (defined(DOGLCD_SCK) && (DOGLCD_SCK != -1 && DOGLCD_SCK != SD_SCK_PIN)) || (defined(DOGLCD_MOSI) && (DOGLCD_MOSI != -1 && DOGLCD_MOSI != SD_MOSI_PIN))
     #define FORCE_SOFT_SPI                                      // SW-SPI
   #endif
 
@@ -230,7 +233,7 @@
   #if ENABLED(FORCE_SOFT_SPI)
     #define U8G_PARAM DOGLCD_SCK, DOGLCD_MOSI, DOGLCD_CS, DOGLCD_A0 // SW-SPI
   #else
-    #define U8G_PARAM DOGLCD_CS, DOGLCD_A0                      // HW-SPI
+    #define U8G_PARAM DOGLCD_CS, DOGLCD_A0                          // HW-SPI
   #endif
 #endif
 

Marlin/src/module/settings.cpp

@@ -702,7 +702,7 @@ void MarlinSettings::postprocess() {
   if (oldpos != current_position)
     report_current_position();
 
-  // Moved as last update due to interference with Neopixel init
+  // Moved as last update due to interference with NeoPixel init
   TERN_(HAS_LCD_CONTRAST, ui.refresh_contrast());
   TERN_(HAS_LCD_BRIGHTNESS, ui.refresh_brightness());
   TERN_(HAS_BACKLIGHT_TIMEOUT, ui.refresh_backlight_timeout());

Marlin/src/pins/esp32/pins_ENWI_ESPNP.h

@@ -112,8 +112,8 @@
 
 // #define FAN_SOFT_PWM_REQUIRED // check if needed
 
-// Neopixel Rings
-#define NEOPIXEL_PIN                          14
+// NeoPixel Rings
+#define BOARD_NEOPIXEL_PIN                    14
 #define NEOPIXEL2_PIN                         27
 
 // SPI

Marlin/src/pins/esp32/pins_MKS_TINYBEE.h

@@ -128,7 +128,7 @@
  *                ------                                 ------
  *  (BEEPER) 149 | 1  2 | 13 (BTN_ENC)    (SPI MISO) 19 | 1  2 | 18 (SPI SCK)
  *  (LCD_EN)  21 | 3  4 |  4 (LCD_RS)      (BTN_EN1) 14 | 3  4 |  5 (SPI CS)
- *  (LCD_D4)   0   5  6 | 16 (LCD_D5)      (BTN_EN2) 12   5  6 | 23 (SPI MOSI)
+ *  (LCD_D4)   0 | 5  6   16 (LCD_D5)      (BTN_EN2) 12 | 5  6   23 (SPI MOSI)
  *  (LCD_D6)  15 | 7  8 | 17 (LCD_D7)      (SPI_DET) 34 | 7  8 | RESET
  *           GND | 9 10 | 5V                        GND | 9 10 | 3.3V
  *                ------                                 ------
@@ -159,6 +159,8 @@
 //#define SD_MOSI_PIN                EXP2_06_PIN  // uses esp32 default 23
 //#define SD_MISO_PIN                EXP2_01_PIN  // uses esp32 default 19
 //#define SD_SCK_PIN                 EXP2_02_PIN  // uses esp32 default 18
+
+// TODO: Migrate external SD Card to pins/lcd
 #define SDSS                         EXP2_04_PIN
 #define SD_DETECT_PIN                EXP2_07_PIN  // IO34 default is SD_DET signal (Jump to SDDET)
 #define USES_SHARED_SPI                           // SPI is shared by SD card with TMC SPI drivers

Marlin/src/pins/esp32/pins_PANDA_common.h

@@ -86,7 +86,7 @@
  *   (EN1) 33 | 3  4 | (5 SDSS?)     (EN)      26 | 3  4 | 27 (RS)
  *   (EN2) 32   5  6 | (23 MOSI?)    (D4)      14 | 5  6   --
  * (SDDET 2?) | 7  8 | (RESET)                 -- | 7  8 | --
- *         -- | 9 10 | --                   (GND) | 9 10 | (5V)
+ *         -- | 9 10 | --                     GND | 9 10 | 5V
  *             ------                              ------
  *              EXP2                                EXP1
  */