Add MKS UI option (TFT_LITTLE_VGL_UI)

Marlin/Configuration.h

@@ -2116,10 +2116,20 @@
 //
 //#define FSMC_GRAPHICAL_TFT
 
+//
+// TFT Little VGL UI
+//
+//#define TFT_LITTLE_VGL_UI
+
 //=============================================================================
 //============================  Other Controllers  ============================
 //=============================================================================
 
+//
+// Robin nano v2.0 SPI touch screen
+//
+//#define SPI_GRAPHICAL_TFT
+
 //
 // ADS7843/XPT2046 ADC Touchscreen such as ILI9341 2.8
 //

Marlin/src/MarlinCore.cpp

@@ -59,6 +59,12 @@
 #include "gcode/parser.h"
 #include "gcode/queue.h"
 
+#if ENABLED(TFT_LITTLE_VGL_UI)
+  #include "lvgl.h"
+  #include "lcd/extui/lib/mks_ui/inc/tft_lvgl_configuration.h"
+  #include "lcd/extui/lib/mks_ui/inc/draw_ui.h"
+#endif
+
 #if ENABLED(DIRECT_STEPPING)
   #include "feature/direct_stepping.h"
 #endif
@@ -726,6 +732,10 @@ void idle(TERN_(ADVANCED_PAUSE_FEATURE, bool no_stepper_sleep/*=false*/)) {
 
   // Direct Stepping
   TERN_(DIRECT_STEPPING, page_manager.write_responses());
+
+  #if ENABLED(TFT_LITTLE_VGL_UI)
+    LV_TASK_HANDLER();
+  #endif
 }
 
 /**
@@ -1141,6 +1151,10 @@ void setup() {
     SETUP_RUN(page_manager.init());
   #endif
 
+  #if ENABLED(TFT_LITTLE_VGL_UI)
+    SETUP_RUN(tft_lvgl_init());
+  #endif
+
   marlin_state = MF_RUNNING;
 
   SETUP_LOG("setup() completed.");
@@ -1173,5 +1187,7 @@ void loop() {
 
     endstops.event_handler();
 
+    TERN_(TFT_LITTLE_VGL_UI, printer_state_polling());
+
   } while (ENABLED(__AVR__)); // Loop forever on slower (AVR) boards
 }

Marlin/src/inc/Conditionals_LCD.h

@@ -241,6 +241,8 @@
   #define DOGLCD
   #define IS_ULTIPANEL
   #define DELAYED_BACKLIGHT_INIT
+#elif ENABLED(SPI_GRAPHICAL_TFT)
+  #define DELAYED_BACKLIGHT_INIT
 #endif
 
 /**

Marlin/src/lcd/extui/lib/mks_ui/SPI_TFT.cpp

@@ -0,0 +1,271 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 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 <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "../../../../inc/MarlinConfigPre.h"
+
+#if ENABLED(SPI_GRAPHICAL_TFT)
+
+  #include <SPI.h>
+  #include "../../../../inc/MarlinConfig.h"
+  #include "SPI_TFT.h"
+
+  TFT SPI_TFT;
+
+  #ifndef SPI_TFT_MISO_PIN
+    #define SPI_TFT_MISO_PIN PA6
+  #endif
+  #ifndef SPI_TFT_MOSI_PIN
+    #define SPI_TFT_MOSI_PIN PA7
+  #endif
+  #ifndef SPI_TFT_SCK_PIN
+    #define SPI_TFT_SCK_PIN  PA5
+  #endif
+  #ifndef SPI_TFT_CS_PIN
+    #define SPI_TFT_CS_PIN   PD11
+  #endif
+  #ifndef SPI_TFT_DC_PIN
+    #define SPI_TFT_DC_PIN   PD10
+  #endif
+  #ifndef SPI_TFT_RST_PIN
+    #define SPI_TFT_RST_PIN   PC6
+  #endif
+
+// use SPI1 for the spi tft.
+  void TFT::spi_init(uint8_t spiRate) {
+
+    SPI_TFT_CS_H;
+
+    /**
+     * STM32F1 APB2 = 72MHz, APB1 = 36MHz, max SPI speed of this MCU if 18Mhz
+     * STM32F1 has 3 SPI ports, SPI1 in APB2, SPI2/SPI3 in APB1
+     * so the minimum prescale of SPI1 is DIV4, SPI2/SPI3 is DIV2
+     */
+    uint8_t clock;
+    switch (spiRate) {
+      case SPI_FULL_SPEED:    clock = SPI_CLOCK_DIV4;  break;
+      case SPI_HALF_SPEED:    clock = SPI_CLOCK_DIV4; break;
+      case SPI_QUARTER_SPEED: clock = SPI_CLOCK_DIV8; break;
+      case SPI_EIGHTH_SPEED:  clock = SPI_CLOCK_DIV16; break;
+      case SPI_SPEED_5:       clock = SPI_CLOCK_DIV32; break;
+      case SPI_SPEED_6:       clock = SPI_CLOCK_DIV64; break;
+      default:                clock = SPI_CLOCK_DIV2;        // Default from the SPI library
+    }
+    SPI.setModule(1);
+    SPI.begin();
+    SPI.setClockDivider(clock);
+    SPI.setBitOrder(MSBFIRST);
+    SPI.setDataMode(SPI_MODE0);
+  }
+
+  uint8_t TFT::spi_Rec() {
+    uint8_t returnByte = SPI.transfer(ff);
+    return returnByte;
+  }
+
+  uint8_t TFT::spi_read_write_byte(uint8_t data) {
+    uint8_t returnByte = SPI.transfer(data);
+    return returnByte;
+  }
+
+/**
+ * @brief  Receive a number of bytes from the SPI port to a buffer
+ *
+ * @param  buf   Pointer to starting address of buffer to write to.
+ * @param  nbyte Number of bytes to receive.
+ * @return Nothing
+ *
+ * @details Uses DMA
+ */
+  void TFT::spi_Read(uint8_t* buf, uint16_t nbyte) {SPI.dmaTransfer(0, const_cast<uint8_t*>(buf), nbyte);}
+
+/**
+ * @brief  Send a single byte on SPI port
+ *
+ * @param  b Byte to send
+ *
+ * @details
+ */
+  void TFT::spi_Send(uint8_t b) {SPI.send(b);}
+
+/**
+ * @brief  Write token and then write from 512 byte buffer to SPI (for SD card)
+ *
+ * @param  buf   Pointer with buffer start address
+ * @return Nothing
+ *
+ * @details Use DMA
+ */
+  void TFT::spi_SendBlock(uint8_t token, const uint8_t* buf) {
+    SPI.send(token);
+    SPI.dmaSend(const_cast<uint8_t*>(buf), 512);
+  }
+
+  void TFT::LCD_WR_REG(uint8_t cmd) {
+    SPI_TFT_CS_L;
+    SPI_TFT_DC_L;
+    spi_Send(cmd);
+    SPI_TFT_CS_H;
+  }
+  void TFT::LCD_WR_DATA(uint8_t data) {
+    SPI_TFT_CS_L;
+    SPI_TFT_DC_H;
+    spi_Send(data);
+    SPI_TFT_CS_H;
+  }
+  void TFT::LCD_WriteRAM_Prepare() {LCD_WR_REG(0X2C);}
+  void TFT::SetCursor(uint16_t x, uint16_t y) {
+    LCD_WR_REG(0x2a);
+    LCD_WR_DATA(x >> 8);
+    LCD_WR_DATA(x);
+    LCD_WR_DATA(x >> 8);
+    LCD_WR_DATA(x);
+
+    LCD_WR_REG(0x2b);
+    LCD_WR_DATA(y >> 8);
+    LCD_WR_DATA(y);
+    LCD_WR_DATA(y >> 8);
+    LCD_WR_DATA(y);
+  }
+  void TFT::SetWindows(uint16_t x, uint16_t y, uint16_t with, uint16_t height) {
+    LCD_WR_REG(0x2a);
+    LCD_WR_DATA(x >> 8);
+    LCD_WR_DATA(x);
+    LCD_WR_DATA((x + with) >> 8);
+    LCD_WR_DATA((x + with));
+
+    LCD_WR_REG(0x2b);
+    LCD_WR_DATA(y >> 8);
+    LCD_WR_DATA(y);
+    LCD_WR_DATA((y + height) >> 8);
+    LCD_WR_DATA(y + height);
+  }
+  void TFT::LCD_init() {
+    SPI_TFT_RST_H;
+    delay(150);
+    SPI_TFT_RST_L;
+    delay(150);
+    SPI_TFT_RST_H;
+
+    delay(120);
+    LCD_WR_REG(0x11);
+    delay(120);
+
+    LCD_WR_REG(0xf0);
+    LCD_WR_DATA(0xc3);
+    LCD_WR_REG(0xf0);
+    LCD_WR_DATA(0x96);
+
+    LCD_WR_REG(0x36);
+    LCD_WR_DATA(0x28);
+
+    LCD_WR_REG(0x3A);
+    LCD_WR_DATA(0x55);
+
+    LCD_WR_REG(0xB4);
+    LCD_WR_DATA(0x01);
+    LCD_WR_REG(0xB7);
+    LCD_WR_DATA(0xC6);
+    LCD_WR_REG(0xe8);
+    LCD_WR_DATA(0x40);
+    LCD_WR_DATA(0x8a);
+    LCD_WR_DATA(0x00);
+    LCD_WR_DATA(0x00);
+    LCD_WR_DATA(0x29);
+    LCD_WR_DATA(0x19);
+    LCD_WR_DATA(0xa5);
+    LCD_WR_DATA(0x33);
+    LCD_WR_REG(0xc1);
+    LCD_WR_DATA(0x06);
+    LCD_WR_REG(0xc2);
+    LCD_WR_DATA(0xa7);
+    LCD_WR_REG(0xc5);
+    LCD_WR_DATA(0x18);
+    LCD_WR_REG(0xe0);     // Positive Voltage Gamma Control
+    LCD_WR_DATA(0xf0);
+    LCD_WR_DATA(0x09);
+    LCD_WR_DATA(0x0b);
+    LCD_WR_DATA(0x06);
+    LCD_WR_DATA(0x04);
+    LCD_WR_DATA(0x15);
+    LCD_WR_DATA(0x2f);
+    LCD_WR_DATA(0x54);
+    LCD_WR_DATA(0x42);
+    LCD_WR_DATA(0x3c);
+    LCD_WR_DATA(0x17);
+    LCD_WR_DATA(0x14);
+    LCD_WR_DATA(0x18);
+    LCD_WR_DATA(0x1b);
+    LCD_WR_REG(0xe1);     // Negative Voltage Gamma Control
+    LCD_WR_DATA(0xf0);
+    LCD_WR_DATA(0x09);
+    LCD_WR_DATA(0x0b);
+    LCD_WR_DATA(0x06);
+    LCD_WR_DATA(0x04);
+    LCD_WR_DATA(0x03);
+    LCD_WR_DATA(0x2d);
+    LCD_WR_DATA(0x43);
+    LCD_WR_DATA(0x42);
+    LCD_WR_DATA(0x3b);
+    LCD_WR_DATA(0x16);
+    LCD_WR_DATA(0x14);
+    LCD_WR_DATA(0x17);
+    LCD_WR_DATA(0x1b);
+    LCD_WR_REG(0xf0);
+    LCD_WR_DATA(0x3c);
+    LCD_WR_REG(0xf0);
+    LCD_WR_DATA(0x69);
+    delay(120);     // Delay 120ms
+    LCD_WR_REG(0x29);     // Display ON
+
+    LCD_clear(0x0000);    //
+    SPI_TFT_BLK_H;
+
+  }
+  void TFT::LCD_clear(uint16_t color) {
+    unsigned int i, m;
+    uint32_t count;
+    uint8_t tbuf[960];
+
+    SetCursor(0, 0);
+    SetWindows(0, 0, 480 - 1, 320 - 1);
+    LCD_WriteRAM_Prepare();
+    SPI_TFT_CS_L;
+    SPI_TFT_DC_H;
+    for (i = 0; i < 960;) {
+      tbuf[i]     = color >> 8;
+      tbuf[i + 1] = color;
+      i += 2;
+    }
+    for (i = 0; i < 320; i++) {
+      // for(m=0;m<480;m++)
+      // {
+      // LCD_WR_DATA(color>>8);
+      // LCD_WR_DATA(color);
+
+      SPI.dmaSend(tbuf, 960, true);
+      // SPI_TFT_CS_H;
+      // }
+    }
+    SPI_TFT_CS_H;
+  }
+
+#endif // SPI_GRAPHICAL_TFT