279 lines
8.2 KiB
C
279 lines
8.2 KiB
C
#include "lcd_2inch4.h"
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#include <string.h>
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/*******************************************************************************
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function:
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Hardware reset
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*******************************************************************************/
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static void LCD_2IN4_Reset(void)
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{
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LCD_2IN4_RST_1;
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DEV_Delay_ms(100);
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LCD_2IN4_RST_0;
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DEV_Delay_ms(100);
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LCD_2IN4_RST_1;
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DEV_Delay_ms(100);
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}
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/*******************************************************************************
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function:
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Write data and commands
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*******************************************************************************/
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static void LCD_2IN4_Write_Command(UBYTE data)
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{
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LCD_2IN4_CS_0;
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LCD_2IN4_DC_0;
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DEV_SPI_WRITE(data);
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}
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static void LCD_2IN4_WriteData_Byte(UBYTE data)
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{
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LCD_2IN4_CS_0;
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LCD_2IN4_DC_1;
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DEV_SPI_WRITE(data);
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LCD_2IN4_CS_1;
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}
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void LCD_2IN4_WriteData_Word(UWORD data)
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{
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LCD_2IN4_CS_0;
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LCD_2IN4_DC_1;
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DEV_SPI_WRITE((data>>8) & 0xff);
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DEV_SPI_WRITE(data);
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LCD_2IN4_CS_1;
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}
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/******************************************************************************
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function:
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Common register initialization
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******************************************************************************/
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void LCD_2IN4_Init(void)
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{
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LCD_2IN4_Reset();
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LCD_2IN4_SetBackLight(500);//´ò¿ª±³¹â
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HAL_Delay(100);
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//************* Start Initial Sequence **********//
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LCD_2IN4_Write_Command(0x11); //Sleep out
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HAL_Delay(120); //Delay 120ms
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//************* Start Initial Sequence **********//
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LCD_2IN4_Write_Command(0xCF);
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LCD_2IN4_WriteData_Byte(0x00);
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LCD_2IN4_WriteData_Byte(0xC1);
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LCD_2IN4_WriteData_Byte(0X30);
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LCD_2IN4_Write_Command(0xED);
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LCD_2IN4_WriteData_Byte(0x64);
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LCD_2IN4_WriteData_Byte(0x03);
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LCD_2IN4_WriteData_Byte(0X12);
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LCD_2IN4_WriteData_Byte(0X81);
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LCD_2IN4_Write_Command(0xE8);
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LCD_2IN4_WriteData_Byte(0x85);
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LCD_2IN4_WriteData_Byte(0x00);
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LCD_2IN4_WriteData_Byte(0x79);
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LCD_2IN4_Write_Command(0xCB);
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LCD_2IN4_WriteData_Byte(0x39);
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LCD_2IN4_WriteData_Byte(0x2C);
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LCD_2IN4_WriteData_Byte(0x00);
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LCD_2IN4_WriteData_Byte(0x34);
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LCD_2IN4_WriteData_Byte(0x02);
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LCD_2IN4_Write_Command(0xF7);
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LCD_2IN4_WriteData_Byte(0x20);
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LCD_2IN4_Write_Command(0xEA);
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LCD_2IN4_WriteData_Byte(0x00);
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LCD_2IN4_WriteData_Byte(0x00);
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LCD_2IN4_Write_Command(0xC0); //Power control
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LCD_2IN4_WriteData_Byte(0x1D); //VRH[5:0]
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LCD_2IN4_Write_Command(0xC1); //Power control
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LCD_2IN4_WriteData_Byte(0x12); //SAP[2:0];BT[3:0]
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LCD_2IN4_Write_Command(0xC5); //VCM control
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LCD_2IN4_WriteData_Byte(0x33);
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LCD_2IN4_WriteData_Byte(0x3F);
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LCD_2IN4_Write_Command(0xC7); //VCM control
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LCD_2IN4_WriteData_Byte(0x92);
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LCD_2IN4_Write_Command(0x3A); // Memory Access Control
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LCD_2IN4_WriteData_Byte(0x55);
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LCD_2IN4_Write_Command(0x36); // Memory Access Control
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LCD_2IN4_WriteData_Byte(0x08);
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LCD_2IN4_Write_Command(0xB1);
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LCD_2IN4_WriteData_Byte(0x00);
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LCD_2IN4_WriteData_Byte(0x12);
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LCD_2IN4_Write_Command(0xB6); // Display Function Control
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LCD_2IN4_WriteData_Byte(0x0A);
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LCD_2IN4_WriteData_Byte(0xA2);
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LCD_2IN4_Write_Command(0x44);
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LCD_2IN4_WriteData_Byte(0x02);
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LCD_2IN4_Write_Command(0xF2); // 3Gamma Function Disable
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LCD_2IN4_WriteData_Byte(0x00);
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LCD_2IN4_Write_Command(0x26); //Gamma curve selected
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LCD_2IN4_WriteData_Byte(0x01);
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LCD_2IN4_Write_Command(0xE0); //Set Gamma
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LCD_2IN4_WriteData_Byte(0x0F);
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LCD_2IN4_WriteData_Byte(0x22);
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LCD_2IN4_WriteData_Byte(0x1C);
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LCD_2IN4_WriteData_Byte(0x1B);
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LCD_2IN4_WriteData_Byte(0x08);
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LCD_2IN4_WriteData_Byte(0x0F);
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LCD_2IN4_WriteData_Byte(0x48);
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LCD_2IN4_WriteData_Byte(0xB8);
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LCD_2IN4_WriteData_Byte(0x34);
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LCD_2IN4_WriteData_Byte(0x05);
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LCD_2IN4_WriteData_Byte(0x0C);
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LCD_2IN4_WriteData_Byte(0x09);
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LCD_2IN4_WriteData_Byte(0x0F);
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LCD_2IN4_WriteData_Byte(0x07);
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LCD_2IN4_WriteData_Byte(0x00);
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LCD_2IN4_Write_Command(0XE1); //Set Gamma
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LCD_2IN4_WriteData_Byte(0x00);
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LCD_2IN4_WriteData_Byte(0x23);
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LCD_2IN4_WriteData_Byte(0x24);
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LCD_2IN4_WriteData_Byte(0x07);
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LCD_2IN4_WriteData_Byte(0x10);
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LCD_2IN4_WriteData_Byte(0x07);
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LCD_2IN4_WriteData_Byte(0x38);
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LCD_2IN4_WriteData_Byte(0x47);
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LCD_2IN4_WriteData_Byte(0x4B);
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LCD_2IN4_WriteData_Byte(0x0A);
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LCD_2IN4_WriteData_Byte(0x13);
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LCD_2IN4_WriteData_Byte(0x06);
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LCD_2IN4_WriteData_Byte(0x30);
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LCD_2IN4_WriteData_Byte(0x38);
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LCD_2IN4_WriteData_Byte(0x0F);
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LCD_2IN4_Write_Command(0x29); //Display on
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}
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/******************************************************************************
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function: Set the cursor position
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parameter :
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Xstart: Start UWORD x coordinate
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Ystart: Start UWORD y coordinate
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Xend : End UWORD coordinates
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Yend : End UWORD coordinatesen
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******************************************************************************/
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void LCD_2IN4_SetWindow(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend)
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{
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LCD_2IN4_Write_Command(0x2a);
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LCD_2IN4_WriteData_Byte(Xstart >>8);
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LCD_2IN4_WriteData_Byte(Xstart & 0xff);
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LCD_2IN4_WriteData_Byte((Xend - 1) >> 8);
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LCD_2IN4_WriteData_Byte((Xend - 1) & 0xff);
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LCD_2IN4_Write_Command(0x2b);
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LCD_2IN4_WriteData_Byte(Ystart >>8);
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LCD_2IN4_WriteData_Byte(Ystart & 0xff);
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LCD_2IN4_WriteData_Byte((Yend - 1) >> 8);
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LCD_2IN4_WriteData_Byte((Yend - 1) & 0xff);
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LCD_2IN4_Write_Command(0x2C);
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}
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/******************************************************************************
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function: Settings window
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parameter :
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Xstart: Start UWORD x coordinate
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Ystart: Start UWORD y coordinate
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******************************************************************************/
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void LCD_2IN4_SetCursor(UWORD X, UWORD Y)
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{
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LCD_2IN4_Write_Command(0x2a);
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LCD_2IN4_WriteData_Byte(X >> 8);
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LCD_2IN4_WriteData_Byte(X);
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LCD_2IN4_WriteData_Byte(X >> 8);
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LCD_2IN4_WriteData_Byte(X);
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LCD_2IN4_Write_Command(0x2b);
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LCD_2IN4_WriteData_Byte(Y >> 8);
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LCD_2IN4_WriteData_Byte(Y);
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LCD_2IN4_WriteData_Byte(Y >> 8);
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LCD_2IN4_WriteData_Byte(Y);
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LCD_2IN4_Write_Command(0x2C);
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}
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/******************************************************************************
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function: Clear screen function, refresh the screen to a certain color
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parameter :
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Color : The color you want to clear all the screen
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******************************************************************************/
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void LCD_2IN4_Clear(UWORD Color)
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{
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UWORD i,j;
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LCD_2IN4_SetWindow(0, 0, LCD_2IN4_WIDTH, LCD_2IN4_HEIGHT);
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DEV_Digital_Write(DEV_DC_PIN, 1);
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for(i = 0; i < LCD_2IN4_WIDTH; i++){
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for(j = 0; j < LCD_2IN4_HEIGHT; j++){
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LCD_2IN4_WriteData_Word(Color);
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}
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}
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}
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/******************************************************************************
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function: Refresh a certain area to the same color
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parameter :
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Xstart: Start UWORD x coordinate
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Ystart: Start UWORD y coordinate
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Xend : End UWORD coordinates
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Yend : End UWORD coordinates
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color : Set the color
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******************************************************************************/
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void LCD_2IN4_ClearWindow(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend,UWORD color)
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{
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UWORD i,j;
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LCD_2IN4_SetWindow(Xstart, Ystart, Xend,Yend);
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for(i = Ystart; i <= Yend; i++){
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for(j = Xstart; j <= Xend; j++){
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LCD_2IN4_WriteData_Word(color);
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}
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}
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}
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/******************************************************************************
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function: Show a picture
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parameter :
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image: Picture buffer
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******************************************************************************/
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void LCD_2IN4_Display(UWORD *image,int width, int height)
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{
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UWORD i,j;
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if(width > LCD_2IN4_WIDTH || height > LCD_2IN4_HEIGHT){
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printf("Picture size out of range!\r\n");
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return;
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}
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LCD_2IN4_SetWindow(0, 0, width, height);
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DEV_Digital_Write(DEV_DC_PIN, 1);
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for(i = 0; i < width; i++){
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for(j = 0; j < height; j++){
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LCD_2IN4_WriteData_Word(*(image+i*height+j));
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}
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}
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}
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/******************************************************************************
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function: Draw a point
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parameter :
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X : Set the X coordinate
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Y : Set the Y coordinate
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Color : Set the color
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******************************************************************************/
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void LCD_2IN4_DrawPaint(UWORD x, UWORD y, UWORD Color)
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{
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LCD_2IN4_SetCursor(x, y);
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LCD_2IN4_WriteData_Word(Color);
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}
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/*******************************************************************************
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function:
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Setting backlight
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parameter :
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value : Range 0~1000 Duty cycle is value/1000
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*******************************************************************************/
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void LCD_2IN4_SetBackLight(UWORD Value)
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{
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DEV_Set_PWM(Value);
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}
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