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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2021 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 <https://www.gnu.org/licenses/>.
- *
- */
-
- /********************************************************************************
- * @file lcd/e3v2/marlinui/dwin_lcd.cpp
- * @brief DWIN screen control functions
- ********************************************************************************/
-
- #include "../../../inc/MarlinConfigPre.h"
-
- #if IS_DWIN_MARLINUI
-
- #include "../../../inc/MarlinConfig.h"
-
- #include "dwin_lcd.h"
- #include <string.h> // for memset
-
- //#define DEBUG_OUT 1
- #include "../../../core/debug_out.h"
-
- // Make sure DWIN_SendBuf is large enough to hold the largest string plus draw command and tail.
- // Assume the narrowest (6 pixel) font and 2-byte gb2312-encoded characters.
- uint8_t DWIN_SendBuf[11 + DWIN_WIDTH / 6 * 2] = { 0xAA };
- uint8_t DWIN_BufTail[4] = { 0xCC, 0x33, 0xC3, 0x3C };
- uint8_t databuf[26] = { 0 };
- uint8_t receivedType;
-
- int recnum = 0;
-
- inline void DWIN_Byte(size_t &i, const uint16_t bval) {
- DWIN_SendBuf[++i] = bval;
- }
-
- inline void DWIN_Word(size_t &i, const uint16_t wval) {
- DWIN_SendBuf[++i] = wval >> 8;
- DWIN_SendBuf[++i] = wval & 0xFF;
- }
-
- inline void DWIN_Long(size_t &i, const uint32_t lval) {
- DWIN_SendBuf[++i] = (lval >> 24) & 0xFF;
- DWIN_SendBuf[++i] = (lval >> 16) & 0xFF;
- DWIN_SendBuf[++i] = (lval >> 8) & 0xFF;
- DWIN_SendBuf[++i] = lval & 0xFF;
- }
-
- inline void DWIN_String(size_t &i, char * const string) {
- const size_t len = _MIN(sizeof(DWIN_SendBuf) - i, strlen(string));
- memcpy(&DWIN_SendBuf[i+1], string, len);
- i += len;
- }
-
- inline void DWIN_String(size_t &i, const __FlashStringHelper * string) {
- if (!string) return;
- const size_t len = strlen_P((PGM_P)string); // cast it to PGM_P, which is basically const char *, and measure it using the _P version of strlen.
- if (len == 0) return;
- memcpy(&DWIN_SendBuf[i+1], string, len);
- i += len;
- }
-
- // Send the data in the buffer and the packet end
- inline void DWIN_Send(size_t &i) {
- ++i;
- LOOP_L_N(n, i) { LCD_SERIAL.write(DWIN_SendBuf[n]); delayMicroseconds(1); }
- LOOP_L_N(n, 4) { LCD_SERIAL.write(DWIN_BufTail[n]); delayMicroseconds(1); }
- }
-
- /*-------------------------------------- System variable function --------------------------------------*/
-
- // Handshake (1: Success, 0: Fail)
- bool DWIN_Handshake(void) {
- #ifndef LCD_BAUDRATE
- #define LCD_BAUDRATE 115200
- #endif
- LCD_SERIAL.begin(LCD_BAUDRATE);
- const millis_t serial_connect_timeout = millis() + 1000UL;
- while (!LCD_SERIAL.connected() && PENDING(millis(), serial_connect_timeout)) { /*nada*/ }
-
- size_t i = 0;
- DWIN_Byte(i, 0x00);
- DWIN_Send(i);
-
- while (LCD_SERIAL.available() > 0 && recnum < (signed)sizeof(databuf)) {
- databuf[recnum] = LCD_SERIAL.read();
- // ignore the invalid data
- if (databuf[0] != FHONE) { // prevent the program from running.
- if (recnum > 0) {
- recnum = 0;
- ZERO(databuf);
- }
- continue;
- }
- delay(10);
- recnum++;
- }
-
- return ( recnum >= 3
- && databuf[0] == FHONE
- && databuf[1] == '\0'
- && databuf[2] == 'O'
- && databuf[3] == 'K' );
- }
-
- void DWIN_Startup(void) {
- DEBUG_ECHOPGM("\r\nDWIN handshake ");
- delay(750); // Delay here or init later in the boot process
- const bool success = DWIN_Handshake();
- if (success) DEBUG_ECHOLNPGM("ok."); else DEBUG_ECHOLNPGM("error.");
- DWIN_Frame_SetDir(TERN(DWIN_MARLINUI_LANDSCAPE, 0, 1));
- DWIN_Frame_Clear(Color_Bg_Black); // MarlinUI handles the bootscreen so just clear here
- DWIN_UpdateLCD();
- }
-
- // Set the backlight luminance
- // luminance: (0x00-0xFF)
- void DWIN_Backlight_SetLuminance(const uint8_t luminance) {
- size_t i = 0;
- DWIN_Byte(i, 0x30);
- DWIN_Byte(i, _MAX(luminance, 0x1F));
- DWIN_Send(i);
- }
-
- // Set screen display direction
- // dir: 0=0°, 1=90°, 2=180°, 3=270°
- void DWIN_Frame_SetDir(uint8_t dir) {
- size_t i = 0;
- DWIN_Byte(i, 0x34);
- DWIN_Byte(i, 0x5A);
- DWIN_Byte(i, 0xA5);
- DWIN_Byte(i, dir);
- DWIN_Send(i);
- }
-
- // Update display
- void DWIN_UpdateLCD(void) {
- size_t i = 0;
- DWIN_Byte(i, 0x3D);
- DWIN_Send(i);
- }
-
- /*---------------------------------------- Drawing functions ----------------------------------------*/
-
- // Clear screen
- // color: Clear screen color
- void DWIN_Frame_Clear(const uint16_t color) {
- size_t i = 0;
- DWIN_Byte(i, 0x01);
- DWIN_Word(i, color);
- DWIN_Send(i);
- }
-
- // Draw a point
- // width: point width 0x01-0x0F
- // height: point height 0x01-0x0F
- // x,y: upper left point
- void DWIN_Draw_Point(uint16_t color, uint8_t width, uint8_t height, uint16_t x, uint16_t y) {
- size_t i = 0;
- DWIN_Byte(i, 0x02);
- DWIN_Word(i, color);
- DWIN_Byte(i, width);
- DWIN_Byte(i, height);
- DWIN_Word(i, x);
- DWIN_Word(i, y);
- DWIN_Send(i);
- }
-
- // Draw a line
- // color: Line segment color
- // xStart/yStart: Start point
- // xEnd/yEnd: End point
- void DWIN_Draw_Line(uint16_t color, uint16_t xStart, uint16_t yStart, uint16_t xEnd, uint16_t yEnd) {
- size_t i = 0;
- DWIN_Byte(i, 0x03);
- DWIN_Word(i, color);
- DWIN_Word(i, xStart);
- DWIN_Word(i, yStart);
- DWIN_Word(i, xEnd);
- DWIN_Word(i, yEnd);
- DWIN_Send(i);
- }
-
- // Draw a rectangle
- // mode: 0=frame, 1=fill, 2=XOR fill
- // color: Rectangle color
- // xStart/yStart: upper left point
- // xEnd/yEnd: lower right point
- void DWIN_Draw_Rectangle(uint8_t mode, uint16_t color,
- uint16_t xStart, uint16_t yStart, uint16_t xEnd, uint16_t yEnd) {
- size_t i = 0;
- DWIN_Byte(i, 0x05);
- DWIN_Byte(i, mode);
- DWIN_Word(i, color);
- DWIN_Word(i, xStart);
- DWIN_Word(i, yStart);
- DWIN_Word(i, xEnd);
- DWIN_Word(i, yEnd);
- DWIN_Send(i);
- }
-
- // Move a screen area
- // mode: 0, circle shift; 1, translation
- // dir: 0=left, 1=right, 2=up, 3=down
- // dis: Distance
- // color: Fill color
- // xStart/yStart: upper left point
- // xEnd/yEnd: bottom right point
- void DWIN_Frame_AreaMove(uint8_t mode, uint8_t dir, uint16_t dis,
- uint16_t color, uint16_t xStart, uint16_t yStart, uint16_t xEnd, uint16_t yEnd) {
- size_t i = 0;
- DWIN_Byte(i, 0x09);
- DWIN_Byte(i, (mode << 7) | dir);
- DWIN_Word(i, dis);
- DWIN_Word(i, color);
- DWIN_Word(i, xStart);
- DWIN_Word(i, yStart);
- DWIN_Word(i, xEnd);
- DWIN_Word(i, yEnd);
- DWIN_Send(i);
- }
-
- /*---------------------------------------- Text related functions ----------------------------------------*/
-
- // Draw a string
- // bShow: true=display background color; false=don't display background color
- // size: Font size
- // color: Character color
- // bColor: Background color
- // x/y: Upper-left coordinate of the string
- // *string: The string
- void DWIN_Draw_String(bool bShow, uint8_t size, uint16_t color, uint16_t bColor, uint16_t x, uint16_t y, char *string) {
- uint8_t widthAdjust = 0;
- size_t i = 0;
- DWIN_Byte(i, 0x11);
- // Bit 7: widthAdjust
- // Bit 6: bShow
- // Bit 5-4: Unused (0)
- // Bit 3-0: size
- DWIN_Byte(i, (widthAdjust * 0x80) | (bShow * 0x40) | size);
- DWIN_Word(i, color);
- DWIN_Word(i, bColor);
- DWIN_Word(i, x);
- DWIN_Word(i, y);
- DWIN_String(i, string);
- DWIN_Send(i);
- }
-
- // Draw a positive integer
- // bShow: true=display background color; false=don't display background color
- // zeroFill: true=zero fill; false=no zero fill
- // zeroMode: 1=leading 0 displayed as 0; 0=leading 0 displayed as a space
- // size: Font size
- // color: Character color
- // bColor: Background color
- // iNum: Number of digits
- // x/y: Upper-left coordinate
- // value: Integer value
- void DWIN_Draw_IntValue(uint8_t bShow, bool zeroFill, uint8_t zeroMode, uint8_t size, uint16_t color,
- uint16_t bColor, uint8_t iNum, uint16_t x, uint16_t y, uint16_t value) {
- size_t i = 0;
- DWIN_Byte(i, 0x14);
- // Bit 7: bshow
- // Bit 6: 1 = signed; 0 = unsigned number;
- // Bit 5: zeroFill
- // Bit 4: zeroMode
- // Bit 3-0: size
- DWIN_Byte(i, (bShow * 0x80) | (zeroFill * 0x20) | (zeroMode * 0x10) | size);
- DWIN_Word(i, color);
- DWIN_Word(i, bColor);
- DWIN_Byte(i, iNum);
- DWIN_Byte(i, 0); // fNum
- DWIN_Word(i, x);
- DWIN_Word(i, y);
- #if 0
- for (char count = 0; count < 8; count++) {
- DWIN_Byte(i, value);
- value >>= 8;
- if (!(value & 0xFF)) break;
- }
- #else
- // Write a big-endian 64 bit integer
- const size_t p = i + 1;
- for (char count = 8; count--;) { // 7..0
- ++i;
- DWIN_SendBuf[p + count] = value;
- value >>= 8;
- }
- #endif
-
- DWIN_Send(i);
- }
-
- // Draw a floating point number
- // bShow: true=display background color; false=don't display background color
- // zeroFill: true=zero fill; false=no zero fill
- // zeroMode: 1=leading 0 displayed as 0; 0=leading 0 displayed as a space
- // size: Font size
- // color: Character color
- // bColor: Background color
- // iNum: Number of whole digits
- // fNum: Number of decimal digits
- // x/y: Upper-left point
- // value: Float value
- void DWIN_Draw_FloatValue(uint8_t bShow, bool zeroFill, uint8_t zeroMode, uint8_t size, uint16_t color,
- uint16_t bColor, uint8_t iNum, uint8_t fNum, uint16_t x, uint16_t y, long value) {
- //uint8_t *fvalue = (uint8_t*)&value;
- size_t i = 0;
- DWIN_Byte(i, 0x14);
- DWIN_Byte(i, (bShow * 0x80) | (zeroFill * 0x20) | (zeroMode * 0x10) | size);
- DWIN_Word(i, color);
- DWIN_Word(i, bColor);
- DWIN_Byte(i, iNum);
- DWIN_Byte(i, fNum);
- DWIN_Word(i, x);
- DWIN_Word(i, y);
- DWIN_Long(i, value);
- /*
- DWIN_Byte(i, fvalue[3]);
- DWIN_Byte(i, fvalue[2]);
- DWIN_Byte(i, fvalue[1]);
- DWIN_Byte(i, fvalue[0]);
- */
- DWIN_Send(i);
- }
-
- /*---------------------------------------- Picture related functions ----------------------------------------*/
-
- // Draw JPG and cached in #0 virtual display area
- // id: Picture ID
- void DWIN_JPG_ShowAndCache(const uint8_t id) {
- size_t i = 0;
- DWIN_Word(i, 0x2200);
- DWIN_Byte(i, id);
- DWIN_Send(i); // AA 23 00 00 00 00 08 00 01 02 03 CC 33 C3 3C
- }
-
- // Draw an Icon
- // libID: Icon library ID
- // picID: Icon ID
- // x/y: Upper-left point
- void DWIN_ICON_Show(uint8_t libID, uint8_t picID, uint16_t x, uint16_t y) {
- NOMORE(x, DWIN_WIDTH - 1);
- NOMORE(y, DWIN_HEIGHT - 1); // -- ozy -- srl
- size_t i = 0;
- DWIN_Byte(i, 0x23);
- DWIN_Word(i, x);
- DWIN_Word(i, y);
- DWIN_Byte(i, 0x80 | libID);
- //DWIN_Byte(i, libID);
- DWIN_Byte(i, picID);
- DWIN_Send(i);
- }
-
- // Unzip the JPG picture to a virtual display area
- // n: Cache index
- // id: Picture ID
- void DWIN_JPG_CacheToN(uint8_t n, uint8_t id) {
- size_t i = 0;
- DWIN_Byte(i, 0x25);
- DWIN_Byte(i, n);
- DWIN_Byte(i, id);
- DWIN_Send(i);
- }
-
- // Copy area from virtual display area to current screen
- // cacheID: virtual area number
- // xStart/yStart: Upper-left of virtual area
- // xEnd/yEnd: Lower-right of virtual area
- // x/y: Screen paste point
- void DWIN_Frame_AreaCopy(uint8_t cacheID, uint16_t xStart, uint16_t yStart,
- uint16_t xEnd, uint16_t yEnd, uint16_t x, uint16_t y) {
- size_t i = 0;
- DWIN_Byte(i, 0x27);
- DWIN_Byte(i, 0x80 | cacheID);
- DWIN_Word(i, xStart);
- DWIN_Word(i, yStart);
- DWIN_Word(i, xEnd);
- DWIN_Word(i, yEnd);
- DWIN_Word(i, x);
- DWIN_Word(i, y);
- DWIN_Send(i);
- }
-
- // Animate a series of icons
- // animID: Animation ID; 0x00-0x0F
- // animate: true on; false off;
- // libID: Icon library ID
- // picIDs: Icon starting ID
- // picIDe: Icon ending ID
- // x/y: Upper-left point
- // interval: Display time interval, unit 10mS
- void DWIN_ICON_Animation(uint8_t animID, bool animate, uint8_t libID, uint8_t picIDs, uint8_t picIDe, uint16_t x, uint16_t y, uint16_t interval) {
- NOMORE(x, DWIN_WIDTH - 1);
- NOMORE(y, DWIN_HEIGHT - 1); // -- ozy -- srl
- size_t i = 0;
- DWIN_Byte(i, 0x28);
- DWIN_Word(i, x);
- DWIN_Word(i, y);
- // Bit 7: animation on or off
- // Bit 6: start from begin or end
- // Bit 5-4: unused (0)
- // Bit 3-0: animID
- DWIN_Byte(i, (animate * 0x80) | 0x40 | animID);
- DWIN_Byte(i, libID);
- DWIN_Byte(i, picIDs);
- DWIN_Byte(i, picIDe);
- DWIN_Byte(i, interval);
- DWIN_Send(i);
- }
-
- // Animation Control
- // state: 16 bits, each bit is the state of an animation id
- void DWIN_ICON_AnimationControl(uint16_t state) {
- size_t i = 0;
- DWIN_Byte(i, 0x29);
- DWIN_Word(i, state);
- DWIN_Send(i);
- }
-
- /*---------------------------------------- Memory functions ----------------------------------------*/
- // The LCD has an additional 32KB SRAM and 16KB Flash
-
- // Data can be written to the sram and save to one of the jpeg page files
-
- // Write Data Memory
- // command 0x31
- // Type: Write memory selection; 0x5A=SRAM; 0xA5=Flash
- // Address: Write data memory address; 0x000-0x7FFF for SRAM; 0x000-0x3FFF for Flash
- // Data: data
- //
- // Flash writing returns 0xA5 0x4F 0x4B
-
- // Read Data Memory
- // command 0x32
- // Type: Read memory selection; 0x5A=SRAM; 0xA5=Flash
- // Address: Read data memory address; 0x000-0x7FFF for SRAM; 0x000-0x3FFF for Flash
- // Length: leangth of data to read; 0x01-0xF0
- //
- // Response:
- // Type, Address, Length, Data
-
- // Write Picture Memory
- // Write the contents of the 32KB SRAM data memory into the designated image memory space
- // Issued: 0x5A, 0xA5, PIC_ID
- // Response: 0xA5 0x4F 0x4B
- //
- // command 0x33
- // 0x5A, 0xA5
- // PicId: Picture Memory location, 0x00-0x0F
- //
- // Flash writing returns 0xA5 0x4F 0x4B
-
- #endif // IS_DWIN_MARLINUI
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