diff --git a/Marlin/src/HAL/HAL_STM32F1/u8g_com_stm32duino_swspi.cpp b/Marlin/src/HAL/HAL_STM32F1/u8g_com_stm32duino_swspi.cpp
new file mode 100644
index 0000000000..9c66de036c
--- /dev/null
+++ b/Marlin/src/HAL/HAL_STM32F1/u8g_com_stm32duino_swspi.cpp
@@ -0,0 +1,165 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ *
+ */
+#ifdef __STM32F1__
+
+#include "../../inc/MarlinConfig.h"
+
+#if HAS_GRAPHICAL_LCD
+
+#include "HAL.h"
+#include
+
+#undef SPI_SPEED
+#define SPI_SPEED 0 // Fastest
+//#define SPI_SPEED 2 // Slower
+
+static uint8_t SPI_speed = SPI_SPEED;
+
+static inline uint8_t swSpiTransfer_mode_0(uint8_t b, const uint8_t spi_speed, const pin_t miso_pin=-1) {
+ for (uint8_t i = 0; i < 8; i++) {
+ if (spi_speed == 0) {
+ WRITE(DOGLCD_MOSI, !!(b & 0x80));
+ WRITE(DOGLCD_SCK, HIGH);
+ b <<= 1;
+ if (miso_pin >= 0 && READ(miso_pin)) b |= 1;
+ WRITE(DOGLCD_SCK, LOW);
+ }
+ else {
+ const uint8_t state = (b & 0x80) ? HIGH : LOW;
+ for (uint8_t j = 0; j < spi_speed; j++)
+ WRITE(DOGLCD_MOSI, state);
+
+ for (uint8_t j = 0; j < spi_speed + (miso_pin >= 0 ? 0 : 1); j++)
+ WRITE(DOGLCD_SCK, HIGH);
+
+ b <<= 1;
+ if (miso_pin >= 0 && READ(miso_pin)) b |= 1;
+
+ for (uint8_t j = 0; j < spi_speed; j++)
+ WRITE(DOGLCD_SCK, LOW);
+ }
+ }
+ return b;
+}
+
+static inline uint8_t swSpiTransfer_mode_3(uint8_t b, const uint8_t spi_speed, const pin_t miso_pin=-1) {
+ for (uint8_t i = 0; i < 8; i++) {
+ const uint8_t state = (b & 0x80) ? HIGH : LOW;
+ if (spi_speed == 0) {
+ WRITE(DOGLCD_SCK, LOW);
+ WRITE(DOGLCD_MOSI, state);
+ WRITE(DOGLCD_MOSI, state); // need some setup time
+ WRITE(DOGLCD_SCK, HIGH);
+ }
+ else {
+ for (uint8_t j = 0; j < spi_speed + (miso_pin >= 0 ? 0 : 1); j++)
+ WRITE(DOGLCD_SCK, LOW);
+
+ for (uint8_t j = 0; j < spi_speed; j++)
+ WRITE(DOGLCD_MOSI, state);
+
+ for (uint8_t j = 0; j < spi_speed; j++)
+ WRITE(DOGLCD_SCK, HIGH);
+ }
+ b <<= 1;
+ if (miso_pin >= 0 && READ(miso_pin)) b |= 1;
+ }
+ return b;
+}
+
+static void u8g_sw_spi_HAL_STM32F1_shift_out(uint8_t val) {
+ #if ENABLED(FYSETC_MINI_12864)
+ swSpiTransfer_mode_3(val, SPI_speed);
+ #else
+ swSpiTransfer_mode_0(val, SPI_speed);
+ #endif
+}
+
+static uint8_t swSpiInit(const uint8_t spi_speed) {
+ #if PIN_EXISTS(LCD_RESET)
+ SET_OUTPUT(LCD_RESET_PIN);
+ #endif
+ SET_OUTPUT(DOGLCD_A0);
+ OUT_WRITE(DOGLCD_SCK, LOW);
+ OUT_WRITE(DOGLCD_MOSI, LOW);
+ OUT_WRITE(DOGLCD_CS, HIGH);
+ return spi_speed;
+}
+
+uint8_t u8g_com_HAL_STM32F1_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
+ switch (msg) {
+ case U8G_COM_MSG_INIT:
+ SPI_speed = swSpiInit(SPI_SPEED);
+ break;
+
+ case U8G_COM_MSG_STOP:
+ break;
+
+ case U8G_COM_MSG_RESET:
+ #if PIN_EXISTS(LCD_RESET)
+ WRITE(LCD_RESET_PIN, arg_val);
+ #endif
+ break;
+
+ case U8G_COM_MSG_CHIP_SELECT:
+ #if ENABLED(FYSETC_MINI_12864) // This LCD SPI is running mode 3 while SD card is running mode 0
+ if (arg_val) { // SCK idle state needs to be set to the proper idle state before
+ // the next chip select goes active
+ WRITE(DOGLCD_SCK, HIGH); // Set SCK to mode 3 idle state before CS goes active
+ WRITE(DOGLCD_CS, LOW);
+ }
+ else {
+ WRITE(DOGLCD_CS, HIGH);
+ WRITE(DOGLCD_SCK, LOW); // Set SCK to mode 0 idle state after CS goes inactive
+ }
+ #else
+ WRITE(DOGLCD_CS, !arg_val);
+ #endif
+ break;
+
+ case U8G_COM_MSG_WRITE_BYTE:
+ u8g_sw_spi_HAL_STM32F1_shift_out(arg_val);
+ break;
+
+ case U8G_COM_MSG_WRITE_SEQ: {
+ uint8_t *ptr = (uint8_t *)arg_ptr;
+ while (arg_val > 0) {
+ u8g_sw_spi_HAL_STM32F1_shift_out(*ptr++);
+ arg_val--;
+ }
+ } break;
+
+ case U8G_COM_MSG_WRITE_SEQ_P: {
+ uint8_t *ptr = (uint8_t *)arg_ptr;
+ while (arg_val > 0) {
+ u8g_sw_spi_HAL_STM32F1_shift_out(u8g_pgm_read(ptr));
+ ptr++;
+ arg_val--;
+ }
+ } break;
+
+ case U8G_COM_MSG_ADDRESS: /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
+ WRITE(DOGLCD_A0, arg_val);
+ break;
+ }
+ return 1;
+}
+
+#endif // HAS_GRAPHICAL_LCD
+#endif // STM32F1
diff --git a/Marlin/src/inc/Conditionals_LCD.h b/Marlin/src/inc/Conditionals_LCD.h
index c876ea4656..54cbcacf6a 100644
--- a/Marlin/src/inc/Conditionals_LCD.h
+++ b/Marlin/src/inc/Conditionals_LCD.h
@@ -46,7 +46,7 @@
#define ADC_KEY_NUM 8
#define ULTIPANEL
- // this helps to implement ADC_KEYPAD menus
+ // This helps to implement ADC_KEYPAD menus
#define REVERSE_MENU_DIRECTION
#define ENCODER_PULSES_PER_STEP 1
#define ENCODER_STEPS_PER_MENU_ITEM 1
@@ -97,8 +97,6 @@
#define U8GLIB_SSD1306
#define ULTIPANEL
- #define REVERSE_ENCODER_DIRECTION
- #define REVERSE_MENU_DIRECTION
#elif ENABLED(RA_CONTROL_PANEL)
@@ -141,14 +139,14 @@
#define DEFAULT_LCD_CONTRAST 150
#define LCD_CONTRAST_MAX 255
-#elif ANY(FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0, FYSETC_MINI_12864_2_1)
+#elif ANY(FYSETC_MINI_12864_X_X, FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0, FYSETC_MINI_12864_2_1)
#define FYSETC_MINI_12864
#define DOGLCD
#define ULTIPANEL
#define LCD_CONTRAST_MIN 0
#define LCD_CONTRAST_MAX 255
- #define DEFAULT_LCD_CONTRAST 255
+ #define DEFAULT_LCD_CONTRAST 220
#define LED_COLORS_REDUCE_GREEN
#if POWER_SUPPLY > 0 && EITHER(FYSETC_MINI_12864_2_0, FYSETC_MINI_12864_2_1)
#define LED_BACKLIGHT_TIMEOUT 10000
@@ -181,7 +179,6 @@
#if ENABLED(ULTI_CONTROLLER)
#define U8GLIB_SSD1309
- #define REVERSE_ENCODER_DIRECTION
#define LCD_RESET_PIN LCD_PINS_D6 // This controller need a reset pin
#define LCD_CONTRAST_MIN 0
#define LCD_CONTRAST_MAX 254
diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index e908c6e4f3..90b4e558ab 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -1841,6 +1841,7 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
+ ENABLED(G3D_PANEL) \
+ (ENABLED(MINIPANEL) && DISABLED(MKS_MINI_12864)) \
+ ENABLED(MKS_MINI_12864) \
+ + ENABLED(FYSETC_MINI_12864_X_X) \
+ ENABLED(FYSETC_MINI_12864_1_2) \
+ ENABLED(FYSETC_MINI_12864_2_0) \
+ ENABLED(FYSETC_MINI_12864_2_1) \
diff --git a/Marlin/src/lcd/dogm/HAL_LCD_com_defines.h b/Marlin/src/lcd/dogm/HAL_LCD_com_defines.h
index 08c2ae84a3..2f2340ca41 100644
--- a/Marlin/src/lcd/dogm/HAL_LCD_com_defines.h
+++ b/Marlin/src/lcd/dogm/HAL_LCD_com_defines.h
@@ -28,19 +28,22 @@
#ifdef __SAM3X8E__
uint8_t u8g_com_HAL_DUE_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
#define U8G_COM_HAL_SW_SPI_FN u8g_com_HAL_DUE_sw_spi_fn
-
uint8_t u8g_com_HAL_DUE_shared_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
#define U8G_COM_HAL_HW_SPI_FN u8g_com_HAL_DUE_shared_hw_spi_fn
-
uint8_t u8g_com_HAL_DUE_ST7920_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
#define U8G_COM_ST7920_HAL_SW_SPI u8g_com_HAL_DUE_ST7920_sw_spi_fn
- #else
- uint8_t u8g_com_HAL_AVR_sw_sp_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
- #define U8G_COM_HAL_SW_SPI_FN u8g_com_HAL_AVR_sw_sp_fn
-
+ #elif defined(__STM32F1__)
+ uint8_t u8g_com_HAL_STM32F1_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+ #define U8G_COM_HAL_SW_SPI_FN u8g_com_HAL_STM32F1_sw_spi_fn
+ uint8_t u8g_com_arduino_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+ #define U8G_COM_HAL_HW_SPI_FN u8g_com_arduino_hw_spi_fn
+ uint8_t u8g_com_arduino_st7920_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+ #define U8G_COM_ST7920_HAL_SW_SPI u8g_com_arduino_st7920_spi_fn
+ #else
+ uint8_t u8g_com_HAL_AVR_sw_sp_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+ #define U8G_COM_HAL_SW_SPI_FN u8g_com_HAL_AVR_sw_sp_fn // AVR ?
uint8_t u8g_com_arduino_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
#define U8G_COM_HAL_HW_SPI_FN u8g_com_arduino_hw_spi_fn
-
uint8_t u8g_com_arduino_st7920_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
#define U8G_COM_ST7920_HAL_SW_SPI u8g_com_arduino_st7920_spi_fn
#endif
diff --git a/Marlin/src/lcd/dogm/u8g_dev_tft_320x240_upscale_from_128x64.cpp b/Marlin/src/lcd/dogm/u8g_dev_tft_320x240_upscale_from_128x64.cpp
index 8f295ab0fe..9e0850efb5 100644
--- a/Marlin/src/lcd/dogm/u8g_dev_tft_320x240_upscale_from_128x64.cpp
+++ b/Marlin/src/lcd/dogm/u8g_dev_tft_320x240_upscale_from_128x64.cpp
@@ -57,7 +57,7 @@
#include "../../inc/MarlinConfig.h"
-#if HAS_GRAPHICAL_LCD
+#if HAS_GRAPHICAL_LCD && PIN_EXISTS(FSMC_CS)
#include "U8glib.h"
#include "HAL_LCD_com_defines.h"
diff --git a/Marlin/src/pins/pins_BIGTREE_SKR_MINI_V1_1.h b/Marlin/src/pins/pins_BIGTREE_SKR_MINI_V1_1.h
index 8b0ab0cd04..2063719a0d 100644
--- a/Marlin/src/pins/pins_BIGTREE_SKR_MINI_V1_1.h
+++ b/Marlin/src/pins/pins_BIGTREE_SKR_MINI_V1_1.h
@@ -28,8 +28,8 @@
#define BOARD_NAME "BIGTREE SKR mini V1.1"
#endif
- //#define DISABLE_DEBUG
- #define DISABLE_JTAG
+//#define DISABLE_DEBUG
+#define DISABLE_JTAG
// Ignore temp readings during develpment.
//#define BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
@@ -98,12 +98,11 @@
* (MOSI) PB5 | · · | PB8 (BTN_EN2) (LCD_D5) PB7 | · · | PC13 (LCD_D4)
* (SD_SS) PA15 | · · | PD2 (BTN_EN1) (LCD_RS) PC12 | · · | PB6 (LCD_EN)
* (SCK) PB3 | · · | PB4 (MISO) (BTN_ENC) PC11 | · · | PC10 (BEEPER)
- * ￣￣￣ ￣￣￣
+ * ----- -----
* EXP2 EXP1
*/
#if ENABLED(ULTRA_LCD)
-
#define BEEPER_PIN PC10
#define BTN_ENC PC11
#define LCD_PINS_RS PC12
@@ -112,13 +111,46 @@
#define BTN_EN2 PB8
#define LCD_PINS_ENABLE PB6
- #define LCD_PINS_D4 PC13
- #if ENABLED(ULTIPANEL)
- #define LCD_PINS_D5 PB7
- #define LCD_PINS_D6 PC15
- #define LCD_PINS_D7 PC14
- #endif
+ #if ENABLED(FYSETC_MINI_12864)
+
+ #define LCD_BACKLIGHT_PIN -1
+ #define LCD_RESET_PIN PC13
+ #define DOGLCD_A0 PC12
+ #define DOGLCD_CS PB6
+ #define DOGLCD_SCK PB3
+ #define DOGLCD_MOSI PB5
+
+ #define FORCE_SOFT_SPI // SPI MODE3
+
+ #define LED_PIN PB7 // red pwm
+ //#define LED_PIN PC15 // green
+ //#define LED_PIN PC14 // blue
+
+ //#if EITHER(FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0)
+ // #ifndef RGB_LED_R_PIN
+ // #define RGB_LED_R_PIN PB7
+ // #endif
+ // #ifndef RGB_LED_G_PIN
+ // #define RGB_LED_G_PIN PC15
+ // #endif
+ // #ifndef RGB_LED_B_PIN
+ // #define RGB_LED_B_PIN PC14
+ // #endif
+ //#elif ENABLED(FYSETC_MINI_12864_2_1)
+ // #define NEOPIXEL_PIN PB7
+ //#endif
+
+ #else // !FYSETC_MINI_12864
+
+ #define LCD_PINS_D4 PC13
+ #if ENABLED(ULTIPANEL)
+ #define LCD_PINS_D5 PB7
+ #define LCD_PINS_D6 PC15
+ #define LCD_PINS_D7 PC14
+ #endif
+
+ #endif // !FYSETC_MINI_12864
#endif // ULTRA_LCD