From c9a7fd1722764f2b790a38f2c7ee0c4d00d77c17 Mon Sep 17 00:00:00 2001
From: Victor Oliveira <rhapsodyv@gmail.com>
Date: Thu, 8 Apr 2021 22:35:21 -0300
Subject: [PATCH] Delay U8glib init using U8glib-HAL 0.4.4 (#21496)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>
---
 Marlin/src/lcd/dogm/HAL_LCD_class_defines.h | 86 ++++++++++++---------
 Marlin/src/lcd/dogm/marlinui_DOGM.cpp       |  9 ++-
 ini/features.ini                            |  2 +-
 3 files changed, 59 insertions(+), 38 deletions(-)

diff --git a/Marlin/src/lcd/dogm/HAL_LCD_class_defines.h b/Marlin/src/lcd/dogm/HAL_LCD_class_defines.h
index 30a5361ab9..28ca26134e 100644
--- a/Marlin/src/lcd/dogm/HAL_LCD_class_defines.h
+++ b/Marlin/src/lcd/dogm/HAL_LCD_class_defines.h
@@ -30,12 +30,15 @@ extern u8g_dev_t u8g_dev_st7565_64128n_HAL_2x_hw_spi;
 
 class U8GLIB_64128N_2X_HAL : public U8GLIB {
 public:
-  U8GLIB_64128N_2X_HAL(pin_t sck, pin_t mosi, pin_t cs, pin_t a0, pin_t reset = U8G_PIN_NONE)
-    : U8GLIB(&u8g_dev_st7565_64128n_HAL_2x_sw_spi, (uint8_t)sck, (uint8_t)mosi, (uint8_t)cs, (uint8_t)a0, (uint8_t)reset)
-    { }
-  U8GLIB_64128N_2X_HAL(pin_t cs, pin_t a0, pin_t reset = U8G_PIN_NONE)
-    : U8GLIB(&u8g_dev_st7565_64128n_HAL_2x_hw_spi, (uint8_t)cs, (uint8_t)a0, (uint8_t)reset)
-    { }
+  U8GLIB_64128N_2X_HAL() : U8GLIB() { }
+  U8GLIB_64128N_2X_HAL(pin_t sck, pin_t mosi, pin_t cs, pin_t a0, pin_t reset = U8G_PIN_NONE) { init(sck, mosi, cs, a0, reset); }
+  U8GLIB_64128N_2X_HAL(pin_t cs, pin_t a0, pin_t reset = U8G_PIN_NONE) { init(cs, a0, reset); }
+  void init(pin_t sck, pin_t mosi, pin_t cs, pin_t a0, pin_t reset = U8G_PIN_NONE) {
+    U8GLIB::init(&u8g_dev_st7565_64128n_HAL_2x_sw_spi, (uint8_t)sck, (uint8_t)mosi, (uint8_t)cs, (uint8_t)a0, (uint8_t)reset);
+  }
+  void init(pin_t cs, pin_t a0, pin_t reset = U8G_PIN_NONE) {
+    U8GLIB::init(&u8g_dev_st7565_64128n_HAL_2x_hw_spi, (uint8_t)cs, (uint8_t)a0, (uint8_t)reset);
+  }
 };
 
 extern u8g_dev_t u8g_dev_st7920_128x64_HAL_4x_sw_spi;
@@ -43,12 +46,15 @@ extern u8g_dev_t u8g_dev_st7920_128x64_HAL_4x_hw_spi;
 
 class U8GLIB_ST7920_128X64_4X_HAL : public U8GLIB {
 public:
-  U8GLIB_ST7920_128X64_4X_HAL(pin_t sck, pin_t mosi, pin_t cs, pin_t reset = U8G_PIN_NONE)
-    : U8GLIB(&u8g_dev_st7920_128x64_HAL_4x_sw_spi, (uint8_t)sck, (uint8_t)mosi, (uint8_t)cs, U8G_PIN_NONE, (uint8_t)reset)    // a0 = U8G_PIN_NONE
-    { }
-  U8GLIB_ST7920_128X64_4X_HAL(pin_t cs, pin_t reset = U8G_PIN_NONE)
-    : U8GLIB(&u8g_dev_st7920_128x64_HAL_4x_hw_spi, (uint8_t)cs, U8G_PIN_NONE, (uint8_t)reset)   // a0 = U8G_PIN_NONE
-    { }
+  U8GLIB_ST7920_128X64_4X_HAL() : U8GLIB() { }
+  U8GLIB_ST7920_128X64_4X_HAL(pin_t sck, pin_t mosi, pin_t cs, pin_t reset = U8G_PIN_NONE) { init(sck, mosi, cs, reset); }
+  U8GLIB_ST7920_128X64_4X_HAL(pin_t cs, pin_t reset = U8G_PIN_NONE) { init(cs, reset); }
+  void init(pin_t sck, pin_t mosi, pin_t cs, pin_t reset = U8G_PIN_NONE) {
+    U8GLIB::init(&u8g_dev_st7920_128x64_HAL_4x_sw_spi, (uint8_t)sck, (uint8_t)mosi, (uint8_t)cs, U8G_PIN_NONE, (uint8_t)reset); // a0 = U8G_PIN_NONE
+  }
+  void init(pin_t cs, pin_t reset = U8G_PIN_NONE) {
+    U8GLIB::init(&u8g_dev_st7920_128x64_HAL_4x_hw_spi, (uint8_t)cs, U8G_PIN_NONE, (uint8_t)reset); // a0 = U8G_PIN_NONE
+  }
 };
 
 //
@@ -59,27 +65,29 @@ extern u8g_dev_t u8g_dev_st7920_128x64_rrd_sw_spi;
 
 class U8GLIB_ST7920_128X64_RRD : public U8GLIB {
 public:
-  U8GLIB_ST7920_128X64_RRD(pin_t sck, pin_t mosi, pin_t cs, pin_t reset = U8G_PIN_NONE)
-    : U8GLIB(&u8g_dev_st7920_128x64_rrd_sw_spi, (uint8_t)sck, (uint8_t)mosi, (uint8_t)cs, U8G_PIN_NONE, (uint8_t)reset)   // a0 = U8G_PIN_NONE
-    { }
+  U8GLIB_ST7920_128X64_RRD() : U8GLIB() { }
+  U8GLIB_ST7920_128X64_RRD(pin_t sck, pin_t mosi, pin_t cs, pin_t reset = U8G_PIN_NONE) { init(sck, mosi, cs, reset); }
+  void init(pin_t sck, pin_t mosi, pin_t cs, pin_t reset = U8G_PIN_NONE) {
+    U8GLIB::init(&u8g_dev_st7920_128x64_rrd_sw_spi, (uint8_t)sck, (uint8_t)mosi, (uint8_t)cs, U8G_PIN_NONE, (uint8_t)reset);   // a0 = U8G_PIN_NONE
+  }
 };
 
 extern u8g_dev_t u8g_dev_sh1106_128x64_2x_i2c_2_wire;
 
 class U8GLIB_SH1106_128X64_2X_I2C_2_WIRE : public U8GLIB {
 public:
-  U8GLIB_SH1106_128X64_2X_I2C_2_WIRE(uint8_t options = U8G_I2C_OPT_NONE)
-  : U8GLIB(&u8g_dev_sh1106_128x64_2x_i2c_2_wire, options)
-  {  }
+  U8GLIB_SH1106_128X64_2X_I2C_2_WIRE() : U8GLIB() { }
+  U8GLIB_SH1106_128X64_2X_I2C_2_WIRE(uint8_t options) { init(options); }
+  void init(uint8_t options = U8G_I2C_OPT_NONE) { U8GLIB::init(&u8g_dev_sh1106_128x64_2x_i2c_2_wire, options); }
 };
 
 extern u8g_dev_t u8g_dev_ssd1306_128x64_2x_i2c_2_wire;
 
 class U8GLIB_SSD1306_128X64_2X_I2C_2_WIRE : public U8GLIB {
 public:
-  U8GLIB_SSD1306_128X64_2X_I2C_2_WIRE(uint8_t options = U8G_I2C_OPT_NONE)
-  : U8GLIB(&u8g_dev_ssd1306_128x64_2x_i2c_2_wire, options)
-  {  }
+  U8GLIB_SSD1306_128X64_2X_I2C_2_WIRE() : U8GLIB() { }
+  U8GLIB_SSD1306_128X64_2X_I2C_2_WIRE(uint8_t options) { init(options); }
+  void init(uint8_t options = U8G_I2C_OPT_NONE) { U8GLIB::init(&u8g_dev_ssd1306_128x64_2x_i2c_2_wire, options); }
 };
 
 //
@@ -90,9 +98,9 @@ extern u8g_dev_t u8g_dev_tft_320x240_upscale_from_128x64;
 
 class U8GLIB_TFT_320X240_UPSCALE_FROM_128X64 : public U8GLIB {
 public:
-  U8GLIB_TFT_320X240_UPSCALE_FROM_128X64(uint8_t cs, uint8_t rs, uint8_t reset = U8G_PIN_NONE)
-  : U8GLIB(&u8g_dev_tft_320x240_upscale_from_128x64, cs, rs, reset)
-  { }
+  U8GLIB_TFT_320X240_UPSCALE_FROM_128X64() : U8GLIB() { }
+  U8GLIB_TFT_320X240_UPSCALE_FROM_128X64(uint8_t cs, uint8_t rs, uint8_t reset = U8G_PIN_NONE) { init(cs, rs, reset); }
+  void init(uint8_t cs, uint8_t rs, uint8_t reset = U8G_PIN_NONE) { U8GLIB::init(&u8g_dev_tft_320x240_upscale_from_128x64, cs, rs, reset); }
 };
 
 
@@ -100,12 +108,15 @@ extern u8g_dev_t u8g_dev_uc1701_mini12864_HAL_2x_sw_spi, u8g_dev_uc1701_mini1286
 
 class U8GLIB_MINI12864_2X_HAL : public U8GLIB {
 public:
-  U8GLIB_MINI12864_2X_HAL(uint8_t sck, uint8_t mosi, uint8_t cs, uint8_t a0, uint8_t reset = U8G_PIN_NONE)
-    : U8GLIB(&u8g_dev_uc1701_mini12864_HAL_2x_sw_spi, sck, mosi, cs, a0, reset)
-    { }
-  U8GLIB_MINI12864_2X_HAL(uint8_t cs, uint8_t a0, uint8_t reset = U8G_PIN_NONE)
-    : U8GLIB(&u8g_dev_uc1701_mini12864_HAL_2x_hw_spi, cs, a0, reset)
-    { }
+  U8GLIB_MINI12864_2X_HAL() : U8GLIB() { }
+  U8GLIB_MINI12864_2X_HAL(uint8_t sck, uint8_t mosi, uint8_t cs, uint8_t a0, uint8_t reset = U8G_PIN_NONE) { init(sck, mosi, cs, a0, reset); }
+  U8GLIB_MINI12864_2X_HAL(uint8_t cs, uint8_t a0, uint8_t reset = U8G_PIN_NONE) { init(cs, a0, reset); }
+  void init(uint8_t sck, uint8_t mosi, uint8_t cs, uint8_t a0, uint8_t reset = U8G_PIN_NONE) {
+    U8GLIB::init(&u8g_dev_uc1701_mini12864_HAL_2x_sw_spi, sck, mosi, cs, a0, reset);
+  }
+  void init(uint8_t cs, uint8_t a0, uint8_t reset = U8G_PIN_NONE) {
+    U8GLIB::init(&u8g_dev_uc1701_mini12864_HAL_2x_hw_spi, cs, a0, reset);
+  }
 };
 
 extern u8g_dev_t u8g_dev_ssd1309_sw_spi;
@@ -113,10 +124,13 @@ extern u8g_dev_t u8g_dev_ssd1309_hw_spi;
 
 class U8GLIB_SSD1309_128X64_HAL : public U8GLIB {
 public:
-  U8GLIB_SSD1309_128X64_HAL(pin_t sck, pin_t mosi, pin_t cs, pin_t a0, pin_t reset = U8G_PIN_NONE)
-    : U8GLIB(&u8g_dev_ssd1309_sw_spi, (uint8_t)sck, (uint8_t)mosi, (uint8_t)cs, (uint8_t)a0, (uint8_t)reset)
-    { }
-  U8GLIB_SSD1309_128X64_HAL(pin_t cs, pin_t a0, pin_t reset = U8G_PIN_NONE)
-    : U8GLIB(&u8g_dev_ssd1309_hw_spi, (uint8_t)cs, (uint8_t)a0, (uint8_t)reset)
-    { }
+  U8GLIB_SSD1309_128X64_HAL() : U8GLIB() { }
+  U8GLIB_SSD1309_128X64_HAL(pin_t sck, pin_t mosi, pin_t cs, pin_t a0, pin_t reset = U8G_PIN_NONE) { init(sck, mosi, cs, a0, reset); }
+  U8GLIB_SSD1309_128X64_HAL(pin_t cs, pin_t a0, pin_t reset = U8G_PIN_NONE) { init(cs, a0, reset); }
+  void init(pin_t sck, pin_t mosi, pin_t cs, pin_t a0, pin_t reset = U8G_PIN_NONE) {
+    U8GLIB::init(&u8g_dev_ssd1309_sw_spi, (uint8_t)sck, (uint8_t)mosi, (uint8_t)cs, (uint8_t)a0, (uint8_t)reset);
+  }
+  void init(pin_t cs, pin_t a0, pin_t reset = U8G_PIN_NONE) {
+    U8GLIB::init(&u8g_dev_ssd1309_hw_spi, (uint8_t)cs, (uint8_t)a0, (uint8_t)reset);
+  }
 };
diff --git a/Marlin/src/lcd/dogm/marlinui_DOGM.cpp b/Marlin/src/lcd/dogm/marlinui_DOGM.cpp
index 44ada03c7e..dc60c1bff3 100644
--- a/Marlin/src/lcd/dogm/marlinui_DOGM.cpp
+++ b/Marlin/src/lcd/dogm/marlinui_DOGM.cpp
@@ -76,7 +76,7 @@
   #define FONT_STATUSMENU_NAME MENU_FONT_NAME
 #endif
 
-U8G_CLASS u8g(U8G_PARAM);
+U8G_CLASS u8g;
 
 #include LANGUAGE_DATA_INCL(LCD_LANGUAGE)
 
@@ -252,6 +252,13 @@ bool MarlinUI::detected() { return true; }
 
 // Initialize or re-initialize the LCD
 void MarlinUI::init_lcd() {
+
+  static bool did_init_u8g = false;
+  if (!did_init_u8g) {
+    u8g.init(U8G_PARAM);
+    did_init_u8g = true;
+  }
+
   #if PIN_EXISTS(LCD_BACKLIGHT)
     OUT_WRITE(LCD_BACKLIGHT_PIN, DISABLED(DELAYED_BACKLIGHT_INIT)); // Illuminate after reset or right away
   #endif
diff --git a/ini/features.ini b/ini/features.ini
index 10eafdc559..864befa7a8 100644
--- a/ini/features.ini
+++ b/ini/features.ini
@@ -35,7 +35,7 @@ USES_LIQUIDCRYSTAL_I2C  = marcoschwartz/LiquidCrystal_I2C@1.1.4
 USES_LIQUIDTWI2         = LiquidTWI2@1.2.7
 HAS_WIRED_LCD           = src_filter=+<src/lcd/lcdprint.cpp>
 HAS_MARLINUI_HD44780    = src_filter=+<src/lcd/HD44780>
-HAS_MARLINUI_U8GLIB     = U8glib-HAL@~0.4.1
+HAS_MARLINUI_U8GLIB     = U8glib-HAL@~0.4.4
                           src_filter=+<src/lcd/dogm>
 HAS_(FSMC|SPI|LTDC)_TFT = src_filter=+<src/HAL/STM32/tft> +<src/HAL/STM32F1/tft> +<src/lcd/tft_io>
 HAS_FSMC_TFT            = src_filter=+<src/HAL/STM32/tft/tft_fsmc.cpp> +<src/HAL/STM32F1/tft/tft_fsmc.cpp>