diff --git a/Marlin/src/HAL/HAL_DUE/u8g_com_HAL_DUE_st7920_sw_spi.cpp b/Marlin/src/HAL/HAL_DUE/u8g_com_HAL_DUE_st7920_sw_spi.cpp
new file mode 100644
index 0000000000..1de01fee91
--- /dev/null
+++ b/Marlin/src/HAL/HAL_DUE/u8g_com_HAL_DUE_st7920_sw_spi.cpp
@@ -0,0 +1,212 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016, 2017 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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 .
+ *
+ */
+
+/*
+
+ based on u8g_com_st7920_hw_spi.c
+
+ Universal 8bit Graphics Library
+
+ Copyright (c) 2011, olikraus@gmail.com
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without modification,
+ are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice, this list
+ of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright notice, this
+ list of conditions and the following disclaimer in the documentation and/or other
+ materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifdef __SAM3X8E__
+
+ #include
+ #include
+ #include "../../core/macros.h"
+
+
+ void u8g_SetPIOutput_DUE(u8g_t *u8g, uint8_t pin_index) {
+ PIO_Configure(g_APinDescription[u8g->pin_list[pin_index]].pPort, PIO_OUTPUT_1,
+ g_APinDescription[u8g->pin_list[pin_index]].ulPin, g_APinDescription[u8g->pin_list[pin_index]].ulPinConfiguration); // OUTPUT
+ }
+
+
+ void u8g_SetPILevel_DUE(u8g_t *u8g, uint8_t pin_index, uint8_t level) {
+ volatile Pio* port = g_APinDescription[u8g->pin_list[pin_index]].pPort;
+ uint32_t mask = g_APinDescription[u8g->pin_list[pin_index]].ulPin;
+ if (level) port->PIO_SODR = mask;
+ else port->PIO_CODR = mask;
+ }
+
+
+#define nop() __asm__ __volatile__("nop;\n\t":::)
+
+void __delay_4cycles(uint32_t cy) __attribute__ ((weak));
+FORCE_INLINE void __delay_4cycles(uint32_t cy) { // +1 cycle
+ #if ARCH_PIPELINE_RELOAD_CYCLES<2
+ #define EXTRA_NOP_CYCLES "nop"
+ #else
+ #define EXTRA_NOP_CYCLES ""
+ #endif
+
+ __asm__ __volatile__(
+ ".syntax unified" "\n\t" // is to prevent CM0,CM1 non-unified syntax
+
+ "loop%=:" "\n\t"
+ " subs %[cnt],#1" "\n\t"
+ EXTRA_NOP_CYCLES "\n\t"
+ " bne loop%=" "\n\t"
+ : [cnt]"+r"(cy) // output: +r means input+output
+ : // input:
+ : "cc" // clobbers:
+ );
+}
+
+ Pio *SCK_pPio, *MOSI_pPio;
+ uint32_t SCK_dwMask, MOSI_dwMask;
+
+ static void spiSend_sw_DUE(uint8_t val) // 800KHz
+ {
+ for (uint8_t i = 0; i < 8; i++) {
+ if (val & 0x80)
+ MOSI_pPio->PIO_SODR = MOSI_dwMask;
+ else
+ MOSI_pPio->PIO_CODR = MOSI_dwMask;
+ val = val << 1;
+ __delay_4cycles(2);
+ SCK_pPio->PIO_SODR = SCK_dwMask;
+ __delay_4cycles(22);
+ SCK_pPio->PIO_CODR = SCK_dwMask;
+ }
+ }
+
+ static uint8_t rs_last_state = 255;
+
+ static void u8g_com_DUE_st7920_write_byte_sw_spi(uint8_t rs, uint8_t val)
+ {
+ uint8_t i;
+
+ if ( rs != rs_last_state) { // time to send a command/data byte
+ rs_last_state = rs;
+
+ if ( rs == 0 )
+ /* command */
+ spiSend_sw_DUE(0x0f8);
+ else
+ /* data */
+ spiSend_sw_DUE(0x0fa);
+
+ for( i = 0; i < 4; i++ ) // give the controller some time to process the data
+ u8g_10MicroDelay(); // 2 is bad, 3 is OK, 4 is safe
+ }
+
+ spiSend_sw_DUE(val & 0x0f0);
+ spiSend_sw_DUE(val << 4);
+ }
+
+
+ uint8_t u8g_com_HAL_DUE_ST7920_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr)
+ {
+ switch(msg)
+ {
+ case U8G_COM_MSG_INIT:
+ SCK_pPio = g_APinDescription[u8g->pin_list[U8G_PI_SCK]].pPort;
+ SCK_dwMask = g_APinDescription[u8g->pin_list[U8G_PI_SCK]].ulPin;
+ MOSI_pPio = g_APinDescription[u8g->pin_list[U8G_PI_MOSI]].pPort;
+ MOSI_dwMask = g_APinDescription[u8g->pin_list[U8G_PI_MOSI]].ulPin;
+
+ u8g_SetPILevel_DUE(u8g, U8G_PI_CS, 0);
+ u8g_SetPIOutput_DUE(u8g, U8G_PI_CS);
+ u8g_SetPILevel_DUE(u8g, U8G_PI_SCK, 0);
+ u8g_SetPIOutput_DUE(u8g, U8G_PI_SCK);
+ u8g_SetPILevel_DUE(u8g, U8G_PI_MOSI, 0);
+ u8g_SetPILevel_DUE(u8g, U8G_PI_MOSI, 1);
+ u8g_SetPIOutput_DUE(u8g, U8G_PI_MOSI);
+ u8g_Delay(5);
+ u8g->pin_list[U8G_PI_A0_STATE] = 0; /* inital RS state: command mode */
+ break;
+
+ case U8G_COM_MSG_STOP:
+ break;
+
+ case U8G_COM_MSG_RESET:
+ if (U8G_PIN_NONE != u8g->pin_list[U8G_PI_RESET]) u8g_SetPILevel_DUE(u8g, U8G_PI_RESET, arg_val);
+ break;
+
+ case U8G_COM_MSG_ADDRESS: /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
+ u8g->pin_list[U8G_PI_A0_STATE] = arg_val;
+ break;
+
+ case U8G_COM_MSG_CHIP_SELECT:
+ if (U8G_PIN_NONE != u8g->pin_list[U8G_PI_CS])
+ u8g_SetPILevel_DUE(u8g, U8G_PI_CS, arg_val); //note: the st7920 has an active high chip select
+ break;
+
+ case U8G_COM_MSG_WRITE_BYTE:
+
+ u8g_com_DUE_st7920_write_byte_sw_spi(u8g->pin_list[U8G_PI_A0_STATE], arg_val);
+ break;
+
+ case U8G_COM_MSG_WRITE_SEQ:
+ {
+ uint8_t *ptr = (uint8_t*) arg_ptr;
+ while( arg_val > 0 )
+ {
+ u8g_com_DUE_st7920_write_byte_sw_spi(u8g->pin_list[U8G_PI_A0_STATE], *ptr++);
+ arg_val--;
+ }
+ }
+ break;
+
+ case U8G_COM_MSG_WRITE_SEQ_P:
+ {
+ uint8_t *ptr = (uint8_t*) arg_ptr;
+ while( arg_val > 0 )
+ {
+ u8g_com_DUE_st7920_write_byte_sw_spi(u8g->pin_list[U8G_PI_A0_STATE], *ptr++);
+ arg_val--;
+ }
+ }
+ break;
+ }
+ return 1;
+ }
+#pragma GCC reset_options
+#endif //ARDUINO_ARCH_SAM
diff --git a/Marlin/src/lcd/dogm/HAL_LCD_class_defines.h b/Marlin/src/lcd/dogm/HAL_LCD_class_defines.h
index a2fdc6fab6..33666d33ff 100644
--- a/Marlin/src/lcd/dogm/HAL_LCD_class_defines.h
+++ b/Marlin/src/lcd/dogm/HAL_LCD_class_defines.h
@@ -62,14 +62,6 @@ class U8GLIB_ST7920_128X64_RRD : public U8GLIB
};
-extern u8g_dev_t u8g_dev_st7920_128x64_custom_sw_spi;
-class U8GLIB_ST7920_128X64_CUSTOM_SW_SPI : public U8GLIB {
- public:
- U8GLIB_ST7920_128X64_CUSTOM_SW_SPI()
- : U8GLIB(&u8g_dev_st7920_128x64_custom_sw_spi)
- { }
-};
-
extern u8g_dev_t u8g_dev_sh1106_128x64_2x_i2c_2_wire;
class U8GLIB_SH1106_128X64_2X_I2C_2_WIRE : public U8GLIB {
public:
diff --git a/Marlin/src/lcd/dogm/HAL_LCD_com_defines.h b/Marlin/src/lcd/dogm/HAL_LCD_com_defines.h
index 7811f50349..e2a90a4390 100644
--- a/Marlin/src/lcd/dogm/HAL_LCD_com_defines.h
+++ b/Marlin/src/lcd/dogm/HAL_LCD_com_defines.h
@@ -31,8 +31,13 @@
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
+ #ifdef __SAM3X8E__
+ 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_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
uint8_t u8g_com_arduino_st7920_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
#define U8G_COM_ST7920_HAL_HW_SPI u8g_com_arduino_st7920_hw_spi_fn
diff --git a/Marlin/src/lcd/dogm/u8g_dev_st7920_128_64_sw_spi.cpp b/Marlin/src/lcd/dogm/u8g_dev_st7920_128_64_sw_spi.cpp
deleted file mode 100644
index 0fccba9ce3..0000000000
--- a/Marlin/src/lcd/dogm/u8g_dev_st7920_128_64_sw_spi.cpp
+++ /dev/null
@@ -1,276 +0,0 @@
-/**
- * Marlin 3D Printer Firmware
- * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * 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 .
- *
- */
-
-/*
- * PLEASE NOTE >>>
- * We need our custom implementation for Software SPI, as the default implementation
- * of U8GLIB, when running in an ARM based board, is too fast and the display will not
- * recognize commands and/or data at such speeds. This implementation autoderives the
- * required delays to get the maximum possible performance by using the F_CPU macro that
- * specifies the CPU speed. According to the ST7920 datasheet, the maximum SCLK is 1MHz.
- */
-
-#ifndef ULCDST7920_SWSPI_H
-#define ULCDST7920_SWSPI_H
-
-#include "../../inc/MarlinConfig.h"
-
-#if ENABLED(U8GLIB_ST7920)
-
-#include
-#include "HAL_LCD_com_defines.h"
-
-#define ST7920_CLK_PIN LCD_PINS_D4
-#define ST7920_DAT_PIN LCD_PINS_ENABLE
-#define ST7920_CS_PIN LCD_PINS_RS
-
-//#define PAGE_HEIGHT 8 //128 byte framebuffer
-#define PAGE_HEIGHT 16 //256 byte framebuffer
-//#define PAGE_HEIGHT 32 //512 byte framebuffer
-
-#define LCD_PIXEL_WIDTH 128
-#define LCD_PIXEL_HEIGHT 64
-
-//set optimization so ARDUINO optimizes this file
-#pragma GCC optimize (3)
-
-/* ---------------- Delay Cycles routine -------------- */
-
-#ifdef __arm__
-/* https://blueprints.launchpad.net/gcc-arm-embedded/+spec/delay-cycles */
-
-#define nop() __asm__ __volatile__("nop;\n\t":::)
-
-FORCE_INLINE static void __delay_4cycles(uint32_t cy) { // +1 cycle
- #if ARCH_PIPELINE_RELOAD_CYCLES<2
- #define EXTRA_NOP_CYCLES "nop"
- #else
- #define EXTRA_NOP_CYCLES ""
- #endif
-
- __asm__ __volatile__(
- ".syntax unified" "\n\t" // is to prevent CM0,CM1 non-unified syntax
-
- "loop%=:" "\n\t"
- " subs %[cnt],#1" "\n\t"
- EXTRA_NOP_CYCLES "\n\t"
- " bne loop%=" "\n\t"
- : [cnt]"+r"(cy) // output: +r means input+output
- : // input:
- : "cc" // clobbers:
- );
-}
-
-FORCE_INLINE static void DELAY_CYCLES(uint32_t x) {
-
- if (__builtin_constant_p(x)) {
-
- #define MAXNOPS 4
-
- if (x <= (MAXNOPS)) {
- switch(x) { case 4: nop(); case 3: nop(); case 2: nop(); case 1: nop(); }
- }
- else { // because of +1 cycle inside delay_4cycles
- const uint32_t rem = (x - 1) % (MAXNOPS);
- switch(rem) { case 3: nop(); case 2: nop(); case 1: nop(); }
- if ((x = (x - 1) / (MAXNOPS)))
- __delay_4cycles(x); // if need more then 4 nop loop is more optimal
- }
- }
- else
- __delay_4cycles(x / 4);
- }
-
-#ifdef __TEST_DELAY
-
- void calibrateTimer() {
-
- // Use DWT to calibrate cycles
- uint32_t count = 0;
-
- // addresses of registers
- volatile uint32_t *DWT_CONTROL = (uint32_t *)0xE0001000,
- *DWT_CYCCNT = (uint32_t *)0xE0001004,
- *DEMCR = (uint32_t *)0xE000EDFC;
-
- cli();
-
- // enable the use DWT
- *DEMCR = *DEMCR | 0x01000000;
-
- // Reset cycle counter
- *DWT_CYCCNT = 0;
-
- // enable cycle counter
- *DWT_CONTROL = *DWT_CONTROL | 1;
-
- // Perform a delay of 10000 cycles
- DELAY_CYCLES(10000U);
-
- // number of cycles stored in count variable
- count = *DWT_CYCCNT;
-
- sei();
-
- SERIAL_ECHO_START();
- SERIAL_ECHOLNPAIR("calibrated Cycles: ", (int)count);
- }
-
-#endif // __TEST_DELAY
-
-#elif defined(__AVR__)
- #define DELAY_CYCLES(cycles) __builtin_avr_delay_cycles(cycles)
-#else
- #error "DELAY_CYCLES not implemented for this architecture."
-#endif
-
-/* ---------------- Delay in nanoseconds and in microseconds */
-
-#define DELAY_NS(x) DELAY_CYCLES( (x) * (F_CPU/1000000) / 1000)
-#define DELAY_US(x) DELAY_CYCLES( (x) * (F_CPU/1000000))
-
-/* ---------------- ST7920 commands ------------------------ */
-
-#ifdef __arm__
-
- /* ARM: Plain implementation is more than enough */
- static void ST7920_SWSPI_SND_8BIT(uint8_t val) {
- uint8_t n = 8;
- do {
- WRITE(ST7920_CLK_PIN, LOW);
- WRITE(ST7920_DAT_PIN, val & 0x80);
- DELAY_NS(700); /* RE-ARM requires 700ns to be stable, RAMPS4DUE works with 500ns */
- WRITE(ST7920_CLK_PIN, HIGH);
- DELAY_NS(700); /* RE-ARM requires 700ns to be stable, RAMPS4DUE works with 500ns */
- val <<= 1;
- } while (--n);
- }
-
-#else // !ARM
-
- /* AVR: Unrolling loop makes sense */
- #define ST7920_SND_BIT(nr) \
- WRITE(ST7920_CLK_PIN, LOW); \
- WRITE(ST7920_DAT_PIN, TEST(val, nr)); \
- DELAY_NS(700); \
- WRITE(ST7920_CLK_PIN, HIGH); \
- DELAY_NS(700);
-
- static void ST7920_SWSPI_SND_8BIT(const uint8_t val) {
- ST7920_SND_BIT(7); // MSBit
- ST7920_SND_BIT(6); //
- ST7920_SND_BIT(5); //
- ST7920_SND_BIT(4); //
- ST7920_SND_BIT(3); //
- ST7920_SND_BIT(2); //
- ST7920_SND_BIT(1); //
- ST7920_SND_BIT(0); // LSBit
- }
-
-#endif // !ARM
-
-#define ST7920_CS() { WRITE(ST7920_CS_PIN,1); DELAY_NS(200); }
-#define ST7920_NCS() { WRITE(ST7920_CS_PIN,0); }
-#define ST7920_SET_CMD() { ST7920_SWSPI_SND_8BIT(0xF8); DELAY_US(3); }
-#define ST7920_SET_DAT() { ST7920_SWSPI_SND_8BIT(0xFA); DELAY_US(3); }
-#define ST7920_WRITE_BYTE(a) { ST7920_SWSPI_SND_8BIT((uint8_t)((a)&0xF0u)); ST7920_SWSPI_SND_8BIT((uint8_t)((a)<<4u)); DELAY_US(3); }
-#define ST7920_WRITE_BYTES(p,l) { for (uint8_t i = l + 1; --i;) { ST7920_SWSPI_SND_8BIT(*p&0xF0); ST7920_SWSPI_SND_8BIT(*p<<4); p++; } DELAY_US(3); }
-
-
-uint8_t u8g_dev_st7920_custom_sw_spi_128x64_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) {
-
- uint8_t i, y;
- switch (msg) {
- case U8G_DEV_MSG_INIT: {
-
- /* Set to output and write */
- OUT_WRITE(ST7920_CS_PIN, LOW);
- OUT_WRITE(ST7920_DAT_PIN, LOW);
- OUT_WRITE(ST7920_CLK_PIN, HIGH);
-
- ST7920_CS();
- u8g_Delay(120); //initial delay for boot up
-
- ST7920_SET_CMD();
- ST7920_WRITE_BYTE(0x08); //display off, cursor+blink off
- ST7920_WRITE_BYTE(0x01); //clear CGRAM ram
- u8g_Delay(15); //delay for CGRAM clear
- ST7920_WRITE_BYTE(0x3E); //extended mode + GDRAM active
- for (y = 0; y < (LCD_PIXEL_HEIGHT) / 2; y++) { //clear GDRAM
- ST7920_WRITE_BYTE(0x80 | y); //set y
- ST7920_WRITE_BYTE(0x80); //set x = 0
- ST7920_SET_DAT();
- for (i = 0; i < 2 * (LCD_PIXEL_WIDTH) / 8; i++) //2x width clears both segments
- ST7920_WRITE_BYTE(0);
- ST7920_SET_CMD();
- }
-
- ST7920_WRITE_BYTE(0x0C); //display on, cursor+blink off
- ST7920_NCS();
- }
- break;
-
- case U8G_DEV_MSG_STOP:
- break;
-
- case U8G_DEV_MSG_PAGE_NEXT: {
- u8g_pb_t* pb = (u8g_pb_t*)(dev->dev_mem);
- y = pb->p.page_y0;
- uint8_t* ptr = (uint8_t*)pb->buf;
-
- ST7920_CS();
- for (i = 0; i < PAGE_HEIGHT; i ++) {
- ST7920_SET_CMD();
- if (y < 32) {
- ST7920_WRITE_BYTE(0x80 | y); //y
- ST7920_WRITE_BYTE(0x80); //x=0
- }
- else {
- ST7920_WRITE_BYTE(0x80 | (y - 32)); //y
- ST7920_WRITE_BYTE(0x80 | 8); //x=64
- }
- ST7920_SET_DAT();
- ST7920_WRITE_BYTES(ptr, (LCD_PIXEL_WIDTH) / 8); //ptr is incremented inside of macro
- y++;
- }
-
- ST7920_NCS();
- }
- break;
- }
- #if PAGE_HEIGHT == 8
- return u8g_dev_pb8h1_base_fn(u8g, dev, msg, arg);
- #elif PAGE_HEIGHT == 16
- return u8g_dev_pb16h1_base_fn(u8g, dev, msg, arg);
- #else
- return u8g_dev_pb32h1_base_fn(u8g, dev, msg, arg);
- #endif
-}
-
-static uint8_t u8g_dev_st7920_128x64_custom_sw_spi_buf[(LCD_PIXEL_WIDTH) * (PAGE_HEIGHT) / 8] U8G_NOCOMMON;
-static u8g_pb_t u8g_dev_st7920_128x64_custom_sw_spi_pb = {{PAGE_HEIGHT, LCD_PIXEL_HEIGHT, 0, 0, 0}, LCD_PIXEL_WIDTH, u8g_dev_st7920_128x64_custom_sw_spi_buf};
-u8g_dev_t u8g_dev_st7920_128x64_custom_sw_spi = {u8g_dev_st7920_custom_sw_spi_128x64_fn, &u8g_dev_st7920_128x64_custom_sw_spi_pb, &u8g_com_null_fn};
-
-#pragma GCC reset_options
-
-#endif // U8GLIB_ST7920
-#endif // ULCDST7920_SWSPI_H
diff --git a/Marlin/src/lcd/dogm/u8g_dev_st7920_128x64_HAL.cpp b/Marlin/src/lcd/dogm/u8g_dev_st7920_128x64_HAL.cpp
index baafc2c437..a4963e040c 100644
--- a/Marlin/src/lcd/dogm/u8g_dev_st7920_128x64_HAL.cpp
+++ b/Marlin/src/lcd/dogm/u8g_dev_st7920_128x64_HAL.cpp
@@ -199,7 +199,7 @@ U8G_PB_DEV(u8g_dev_st7920_128x64_HAL_hw_spi, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev
u8g_dev_t u8g_dev_st7920_128x64_HAL_4x_hw_spi = { u8g_dev_st7920_128x64_HAL_4x_fn, &u8g_dev_st7920_128x64_HAL_4x_pb, U8G_COM_ST7920_HAL_HW_SPI };
-#ifdef U8G_HAL_LINKS
+#if defined(U8G_HAL_LINKS) || defined(__SAM3X8E__)
// Also use this device for HAL version of rrd class. This results in the same device being used
// for the ST7920 for HAL systems no matter what is selected in ultralcd_impl_DOGM.h.
u8g_dev_t u8g_dev_st7920_128x64_rrd_sw_spi = { u8g_dev_st7920_128x64_HAL_4x_fn, &u8g_dev_st7920_128x64_HAL_4x_pb, U8G_COM_ST7920_HAL_SW_SPI };
diff --git a/Marlin/src/lcd/dogm/ultralcd_st7920_u8glib_rrd_AVR.cpp b/Marlin/src/lcd/dogm/ultralcd_st7920_u8glib_rrd_AVR.cpp
index 5c61665d5a..bdab2efa8c 100644
--- a/Marlin/src/lcd/dogm/ultralcd_st7920_u8glib_rrd_AVR.cpp
+++ b/Marlin/src/lcd/dogm/ultralcd_st7920_u8glib_rrd_AVR.cpp
@@ -27,7 +27,7 @@
#if ENABLED(U8GLIB_ST7920)
-#ifndef U8G_HAL_LINKS
+#if !(defined(U8G_HAL_LINKS) || defined(__SAM3X8E__))
#define ST7920_CLK_PIN LCD_PINS_D4
#define ST7920_DAT_PIN LCD_PINS_ENABLE
diff --git a/Marlin/src/lcd/ultralcd_impl_DOGM.h b/Marlin/src/lcd/ultralcd_impl_DOGM.h
index 05ebcc9f14..27cfc8d4f4 100644
--- a/Marlin/src/lcd/ultralcd_impl_DOGM.h
+++ b/Marlin/src/lcd/ultralcd_impl_DOGM.h
@@ -169,9 +169,6 @@
#else
U8GLIB_ST7920_128X64_4X u8g(LCD_PINS_RS); // 2 stripes, HW SPI (shared with SD card)
#endif
-#elif ENABLED(U8GLIB_ST7920) && defined(__arm__)
- // RepRap Discount Full Graphics Smart Controller on an ARM target
- U8GLIB_ST7920_128X64_CUSTOM_SW_SPI u8g;
#elif ENABLED(U8GLIB_ST7920)
// RepRap Discount Full Graphics Smart Controller
@@ -190,6 +187,7 @@
// Based on the Adafruit ST7565 (http://www.adafruit.com/products/250)
//U8GLIB_LM6059 u8g(DOGLCD_CS, DOGLCD_A0); // 8 stripes
U8GLIB_LM6059_2X u8g(DOGLCD_CS, DOGLCD_A0); // 4 stripes
+
#elif ENABLED(U8GLIB_ST7565_64128N)
// The MaKrPanel, Mini Viki, and Viki 2.0, ST7565 controller
//U8GLIB_64128N_2X_HAL u8g(DOGLCD_CS, DOGLCD_A0); // using HW-SPI
diff --git a/platformio.ini b/platformio.ini
index 01f3bdb11d..decdd959d5 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -95,6 +95,7 @@ framework = arduino
board = due
build_flags = ${common.build_flags} -I $BUILDSRC_DIR
lib_deps = ${common.lib_deps}
+lib_ignore = TMC26XStepper
src_filter = ${common.default_src_filter}
#