/***************************************************************************** * | File : LCD_2IN4_Driver.c * | Author : Waveshare team * | Function : LCD driver * | Info : *---------------- * | This version: V1.0 * | Date : 2020-07-29 * | Info : # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documnetation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. # ******************************************************************************/ #include "lcd_2inch4.h" #include /******************************************************************************* function: Hardware reset *******************************************************************************/ static void LCD_2IN4_Reset(void) { LCD_2IN4_RST_1; DEV_Delay_ms(100); LCD_2IN4_RST_0; DEV_Delay_ms(100); LCD_2IN4_RST_1; DEV_Delay_ms(100); } /******************************************************************************* function: Write data and commands *******************************************************************************/ static void LCD_2IN4_Write_Command(UBYTE data) { LCD_2IN4_CS_0; LCD_2IN4_DC_0; DEV_SPI_WRITE(data); } static void LCD_2IN4_WriteData_Byte(UBYTE data) { LCD_2IN4_CS_0; LCD_2IN4_DC_1; DEV_SPI_WRITE(data); LCD_2IN4_CS_1; } void LCD_2IN4_WriteData_Word(UWORD data) { LCD_2IN4_CS_0; LCD_2IN4_DC_1; DEV_SPI_WRITE((data>>8) & 0xff); DEV_SPI_WRITE(data); LCD_2IN4_CS_1; } /****************************************************************************** function: Common register initialization ******************************************************************************/ void LCD_2IN4_Init(void) { LCD_2IN4_Reset(); LCD_2IN4_SetBackLight(500);//´ò¿ª±³¹â HAL_Delay(100); //************* Start Initial Sequence **********// LCD_2IN4_Write_Command(0x11); //Sleep out HAL_Delay(120); //Delay 120ms //************* Start Initial Sequence **********// LCD_2IN4_Write_Command(0xCF); LCD_2IN4_WriteData_Byte(0x00); LCD_2IN4_WriteData_Byte(0xC1); LCD_2IN4_WriteData_Byte(0X30); LCD_2IN4_Write_Command(0xED); LCD_2IN4_WriteData_Byte(0x64); LCD_2IN4_WriteData_Byte(0x03); LCD_2IN4_WriteData_Byte(0X12); LCD_2IN4_WriteData_Byte(0X81); LCD_2IN4_Write_Command(0xE8); LCD_2IN4_WriteData_Byte(0x85); LCD_2IN4_WriteData_Byte(0x00); LCD_2IN4_WriteData_Byte(0x79); LCD_2IN4_Write_Command(0xCB); LCD_2IN4_WriteData_Byte(0x39); LCD_2IN4_WriteData_Byte(0x2C); LCD_2IN4_WriteData_Byte(0x00); LCD_2IN4_WriteData_Byte(0x34); LCD_2IN4_WriteData_Byte(0x02); LCD_2IN4_Write_Command(0xF7); LCD_2IN4_WriteData_Byte(0x20); LCD_2IN4_Write_Command(0xEA); LCD_2IN4_WriteData_Byte(0x00); LCD_2IN4_WriteData_Byte(0x00); LCD_2IN4_Write_Command(0xC0); //Power control LCD_2IN4_WriteData_Byte(0x1D); //VRH[5:0] LCD_2IN4_Write_Command(0xC1); //Power control LCD_2IN4_WriteData_Byte(0x12); //SAP[2:0];BT[3:0] LCD_2IN4_Write_Command(0xC5); //VCM control LCD_2IN4_WriteData_Byte(0x33); LCD_2IN4_WriteData_Byte(0x3F); LCD_2IN4_Write_Command(0xC7); //VCM control LCD_2IN4_WriteData_Byte(0x92); LCD_2IN4_Write_Command(0x3A); // Memory Access Control LCD_2IN4_WriteData_Byte(0x55); LCD_2IN4_Write_Command(0x36); // Memory Access Control LCD_2IN4_WriteData_Byte(0x08); LCD_2IN4_Write_Command(0xB1); LCD_2IN4_WriteData_Byte(0x00); LCD_2IN4_WriteData_Byte(0x12); LCD_2IN4_Write_Command(0xB6); // Display Function Control LCD_2IN4_WriteData_Byte(0x0A); LCD_2IN4_WriteData_Byte(0xA2); LCD_2IN4_Write_Command(0x44); LCD_2IN4_WriteData_Byte(0x02); LCD_2IN4_Write_Command(0xF2); // 3Gamma Function Disable LCD_2IN4_WriteData_Byte(0x00); LCD_2IN4_Write_Command(0x26); //Gamma curve selected LCD_2IN4_WriteData_Byte(0x01); LCD_2IN4_Write_Command(0xE0); //Set Gamma LCD_2IN4_WriteData_Byte(0x0F); LCD_2IN4_WriteData_Byte(0x22); LCD_2IN4_WriteData_Byte(0x1C); LCD_2IN4_WriteData_Byte(0x1B); LCD_2IN4_WriteData_Byte(0x08); LCD_2IN4_WriteData_Byte(0x0F); LCD_2IN4_WriteData_Byte(0x48); LCD_2IN4_WriteData_Byte(0xB8); LCD_2IN4_WriteData_Byte(0x34); LCD_2IN4_WriteData_Byte(0x05); LCD_2IN4_WriteData_Byte(0x0C); LCD_2IN4_WriteData_Byte(0x09); LCD_2IN4_WriteData_Byte(0x0F); LCD_2IN4_WriteData_Byte(0x07); LCD_2IN4_WriteData_Byte(0x00); LCD_2IN4_Write_Command(0XE1); //Set Gamma LCD_2IN4_WriteData_Byte(0x00); LCD_2IN4_WriteData_Byte(0x23); LCD_2IN4_WriteData_Byte(0x24); LCD_2IN4_WriteData_Byte(0x07); LCD_2IN4_WriteData_Byte(0x10); LCD_2IN4_WriteData_Byte(0x07); LCD_2IN4_WriteData_Byte(0x38); LCD_2IN4_WriteData_Byte(0x47); LCD_2IN4_WriteData_Byte(0x4B); LCD_2IN4_WriteData_Byte(0x0A); LCD_2IN4_WriteData_Byte(0x13); LCD_2IN4_WriteData_Byte(0x06); LCD_2IN4_WriteData_Byte(0x30); LCD_2IN4_WriteData_Byte(0x38); LCD_2IN4_WriteData_Byte(0x0F); LCD_2IN4_Write_Command(0x29); //Display on } /****************************************************************************** function: Set the cursor position parameter : Xstart: Start UWORD x coordinate Ystart: Start UWORD y coordinate Xend : End UWORD coordinates Yend : End UWORD coordinatesen ******************************************************************************/ void LCD_2IN4_SetWindow(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend) { LCD_2IN4_Write_Command(0x2a); LCD_2IN4_WriteData_Byte(Xstart >>8); LCD_2IN4_WriteData_Byte(Xstart & 0xff); LCD_2IN4_WriteData_Byte((Xend - 1) >> 8); LCD_2IN4_WriteData_Byte((Xend - 1) & 0xff); LCD_2IN4_Write_Command(0x2b); LCD_2IN4_WriteData_Byte(Ystart >>8); LCD_2IN4_WriteData_Byte(Ystart & 0xff); LCD_2IN4_WriteData_Byte((Yend - 1) >> 8); LCD_2IN4_WriteData_Byte((Yend - 1) & 0xff); LCD_2IN4_Write_Command(0x2C); } /****************************************************************************** function: Settings window parameter : Xstart: Start UWORD x coordinate Ystart: Start UWORD y coordinate ******************************************************************************/ void LCD_2IN4_SetCursor(UWORD X, UWORD Y) { LCD_2IN4_Write_Command(0x2a); LCD_2IN4_WriteData_Byte(X >> 8); LCD_2IN4_WriteData_Byte(X); LCD_2IN4_WriteData_Byte(X >> 8); LCD_2IN4_WriteData_Byte(X); LCD_2IN4_Write_Command(0x2b); LCD_2IN4_WriteData_Byte(Y >> 8); LCD_2IN4_WriteData_Byte(Y); LCD_2IN4_WriteData_Byte(Y >> 8); LCD_2IN4_WriteData_Byte(Y); LCD_2IN4_Write_Command(0x2C); } /****************************************************************************** function: Clear screen function, refresh the screen to a certain color parameter : Color : The color you want to clear all the screen ******************************************************************************/ void LCD_2IN4_Clear(UWORD Color) { UWORD i,j; LCD_2IN4_SetWindow(0, 0, LCD_2IN4_WIDTH, LCD_2IN4_HEIGHT); DEV_Digital_Write(DEV_DC_PIN, 1); for(i = 0; i < LCD_2IN4_WIDTH; i++){ for(j = 0; j < LCD_2IN4_HEIGHT; j++){ LCD_2IN4_WriteData_Word(Color); } } } /****************************************************************************** function: Refresh a certain area to the same color parameter : Xstart: Start UWORD x coordinate Ystart: Start UWORD y coordinate Xend : End UWORD coordinates Yend : End UWORD coordinates color : Set the color ******************************************************************************/ void LCD_2IN4_ClearWindow(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend,UWORD color) { UWORD i,j; LCD_2IN4_SetWindow(Xstart, Ystart, Xend,Yend); for(i = Ystart; i <= Yend; i++){ for(j = Xstart; j <= Xend; j++){ LCD_2IN4_WriteData_Word(color); } } } /****************************************************************************** function: Show a picture parameter : image: Picture buffer ******************************************************************************/ void LCD_2IN4_Display(UWORD *image,int width, int height) { UWORD i,j; if(width > LCD_2IN4_WIDTH || height > LCD_2IN4_HEIGHT){ printf("Picture size out of range!\r\n"); return; } LCD_2IN4_SetWindow(0, 0, width, height); DEV_Digital_Write(DEV_DC_PIN, 1); for(i = 0; i < width; i++){ for(j = 0; j < height; j++){ LCD_2IN4_WriteData_Word(*(image+i*height+j)); } } } /****************************************************************************** function: Draw a point parameter : X : Set the X coordinate Y : Set the Y coordinate Color : Set the color ******************************************************************************/ void LCD_2IN4_DrawPaint(UWORD x, UWORD y, UWORD Color) { LCD_2IN4_SetCursor(x, y); LCD_2IN4_WriteData_Word(Color); } /******************************************************************************* function: Setting backlight parameter : value : Range 0~1000 Duty cycle is value/1000 *******************************************************************************/ void LCD_2IN4_SetBackLight(UWORD Value) { DEV_Set_PWM(Value); }