// /*********************************************************************************************************************** // * | file : LCD_Driver.c // * | version : V1.0 // * | date : 2017-10-16 // * | function : On the ST7735S chip driver and clear screen, drawing lines, drawing, writing // and other functions to achieve // ***********************************************************************************************************************/ // #include "LCD_Driver.h" // #include "DEV_Config.h" // #include //itoa() // #include // LCD_DIS sLCD_DIS; // /*********************************************************************************************************************** // ------------------------------------------------------------------------ // |\\\ ///| // |\\\ Drive layer ///| // ------------------------------------------------------------------------ // ***********************************************************************************************************************/ // /******************************************************************************* // function: // Hardware reset // *******************************************************************************/ // static void LCD_Reset(void) // { // LCD_RST_1; // Driver_Delay_ms(100); // LCD_RST_0; // Driver_Delay_ms(100); // LCD_RST_1; // Driver_Delay_ms(100); // } // /******************************************************************************* // function: // Write register address and data // *******************************************************************************/ // static void LCD_WriteReg(uint8_t Reg) // { // LCD_DC_0; // //LCD_CS_0; // SPI_Write_Byte(Reg); // //LCD_CS_1; // } // static void LCD_WriteData_8Bit(uint8_t Data) // { // LCD_DC_1; // //LCD_CS_0; // SPI_Write_Byte(Data); // //LCD_CS_1; // } // /* // static void LCD_WriteData_16Bit(uint16_t Data) // { // LCD_DC_1; // //LCD_CS_0; // SPI_Write_Byte(Data >> 8); // SPI_Write_Byte(Data & 0XFF); // //LCD_CS_1; // }*/ // static void LCD_WriteData_NLen16Bit(uint16_t Data,uint32_t DataLen) // { // uint32_t i; // LCD_DC_1; // //LCD_CS_0; // for(i = 0; i < DataLen; i++) { // SPI_Write_Byte( (uint8_t)(Data >> 8) ); // SPI_Write_Byte( (uint8_t)(Data & 0XFF) ); // } // //LCD_CS_1; // } // /******************************************************************************* // function: // Common register initialization // *******************************************************************************/ // static void LCD_InitReg(void) // { // //ST7735R Frame Rate // LCD_WriteReg(0xB1); // LCD_WriteData_8Bit(0x01); // LCD_WriteData_8Bit(0x2C); // LCD_WriteData_8Bit(0x2D); // LCD_WriteReg(0xB2); // LCD_WriteData_8Bit(0x01); // LCD_WriteData_8Bit(0x2C); // LCD_WriteData_8Bit(0x2D); // LCD_WriteReg(0xB3); // LCD_WriteData_8Bit(0x01); // LCD_WriteData_8Bit(0x2C); // LCD_WriteData_8Bit(0x2D); // LCD_WriteData_8Bit(0x01); // LCD_WriteData_8Bit(0x2C); // LCD_WriteData_8Bit(0x2D); // LCD_WriteReg(0xB4); //Column inversion // LCD_WriteData_8Bit(0x07); // //ST7735R Power Sequence // LCD_WriteReg(0xC0); // LCD_WriteData_8Bit(0xA2); // LCD_WriteData_8Bit(0x02); // LCD_WriteData_8Bit(0x84); // LCD_WriteReg(0xC1); // LCD_WriteData_8Bit(0xC5); // LCD_WriteReg(0xC2); // LCD_WriteData_8Bit(0x0A); // LCD_WriteData_8Bit(0x00); // LCD_WriteReg(0xC3); // LCD_WriteData_8Bit(0x8A); // LCD_WriteData_8Bit(0x2A); // LCD_WriteReg(0xC4); // LCD_WriteData_8Bit(0x8A); // LCD_WriteData_8Bit(0xEE); // LCD_WriteReg(0xC5); //VCOM // LCD_WriteData_8Bit(0x0E); // //ST7735R Gamma Sequence // LCD_WriteReg(0xe0); // LCD_WriteData_8Bit(0x0f); // LCD_WriteData_8Bit(0x1a); // LCD_WriteData_8Bit(0x0f); // LCD_WriteData_8Bit(0x18); // LCD_WriteData_8Bit(0x2f); // LCD_WriteData_8Bit(0x28); // LCD_WriteData_8Bit(0x20); // LCD_WriteData_8Bit(0x22); // LCD_WriteData_8Bit(0x1f); // LCD_WriteData_8Bit(0x1b); // LCD_WriteData_8Bit(0x23); // LCD_WriteData_8Bit(0x37); // LCD_WriteData_8Bit(0x00); // LCD_WriteData_8Bit(0x07); // LCD_WriteData_8Bit(0x02); // LCD_WriteData_8Bit(0x10); // LCD_WriteReg(0xe1); // LCD_WriteData_8Bit(0x0f); // LCD_WriteData_8Bit(0x1b); // LCD_WriteData_8Bit(0x0f); // LCD_WriteData_8Bit(0x17); // LCD_WriteData_8Bit(0x33); // LCD_WriteData_8Bit(0x2c); // LCD_WriteData_8Bit(0x29); // LCD_WriteData_8Bit(0x2e); // LCD_WriteData_8Bit(0x30); // LCD_WriteData_8Bit(0x30); // LCD_WriteData_8Bit(0x39); // LCD_WriteData_8Bit(0x3f); // LCD_WriteData_8Bit(0x00); // LCD_WriteData_8Bit(0x07); // LCD_WriteData_8Bit(0x03); // LCD_WriteData_8Bit(0x10); // LCD_WriteReg(0xF0); //Enable test command // LCD_WriteData_8Bit(0x01); // LCD_WriteReg(0xF6); //Disable ram power save mode // LCD_WriteData_8Bit(0x00); // LCD_WriteReg(0x3A); //65k mode // LCD_WriteData_8Bit(0x05); // } // /******************************************************************************** // function: Set the display scan and color transfer modes // parameter: // Scan_dir : Scan direction // Colorchose : RGB or GBR color format // ********************************************************************************/ // void LCD_SetGramScanWay(LCD_SCAN_DIR Scan_dir) // { // //Get the screen scan direction // sLCD_DIS.LCD_Scan_Dir = Scan_dir; // //Get GRAM and LCD width and height // if(Scan_dir == L2R_U2D || Scan_dir == L2R_D2U || Scan_dir == R2L_U2D || Scan_dir == R2L_D2U) { // sLCD_DIS.LCD_Dis_Column = LCD_HEIGHT ; // sLCD_DIS.LCD_Dis_Page = LCD_WIDTH ; // } else { // sLCD_DIS.LCD_Dis_Column = LCD_WIDTH ; // sLCD_DIS.LCD_Dis_Page = LCD_HEIGHT ; // } // // Gets the scan direction of GRAM // uint16_t MemoryAccessReg_Data=0; //0x36 // switch (Scan_dir) { // case L2R_U2D: // MemoryAccessReg_Data = 0X00 | 0x00;//x Scan direction | y Scan direction // break; // case L2R_D2U: // MemoryAccessReg_Data = 0x00 | 0x80;//0xC8 | 0X10 // break; // case R2L_U2D:// 0X4 // MemoryAccessReg_Data = 0x40 | 0x00; // break; // case R2L_D2U:// 0XC // MemoryAccessReg_Data = 0x40 | 0x80; // break; // case U2D_L2R://0X2 // MemoryAccessReg_Data = 0X00 | 0X00 | 0x20; // break; // case U2D_R2L://0X6 // MemoryAccessReg_Data = 0x00 | 0X40 | 0x20; // break; // case D2U_L2R://0XA // MemoryAccessReg_Data = 0x80 | 0x00 | 0x20; // break; // case D2U_R2L://0XE // MemoryAccessReg_Data = 0x40 | 0x80 | 0x20; // break; // } // //please set (MemoryAccessReg_Data & 0x10) != 1 // if((MemoryAccessReg_Data && 0x20) != 1) { // sLCD_DIS.LCD_X_Adjust = LCD_X; // sLCD_DIS.LCD_Y_Adjust = LCD_Y; // } else { // sLCD_DIS.LCD_X_Adjust = LCD_Y; // sLCD_DIS.LCD_Y_Adjust = LCD_X; // } // // Set the read / write scan direction of the frame memory // LCD_WriteReg(0x36); //MX, MY, RGB mode // #if defined(LCD_1IN44) // LCD_WriteData_8Bit( MemoryAccessReg_Data | 0x08); //0x08 set RGB // #elif defined(LCD_1IN8) // LCD_WriteData_8Bit( MemoryAccessReg_Data & 0xf7); //RGB color filter panel // #endif // } // /*********************************************************************************************************************** // ------------------------------------------------------------------------ // |\\\ ///| // |\\\ App layer ///| // ------------------------------------------------------------------------ // ***********************************************************************************************************************/ // /******************************************************************************** // function: // initialization // ********************************************************************************/ // void LCD_Init( LCD_SCAN_DIR Lcd_ScanDir ) // { // //Turn on the backlight // LCD_BL_1; // //Hardware reset // LCD_Reset(); // //Set the initialization register // LCD_InitReg(); // //Set the display scan and color transfer modes // LCD_SetGramScanWay( Lcd_ScanDir ); // Driver_Delay_ms(200); // //sleep out // LCD_WriteReg(0x11); // Driver_Delay_ms(120); // //Turn on the LCD display // LCD_WriteReg(0x29); // } // /******************************************************************************** // function: Sets the start position and size of the display area // parameter: // Xstart : X direction Start coordinates // Ystart : Y direction Start coordinates // Xend : X direction end coordinates // Yend : Y direction end coordinates // ********************************************************************************/ // void LCD_SetWindows( POINT Xstart, POINT Ystart, POINT Xend, POINT Yend ) // { // //set the X coordinates // LCD_WriteReg ( 0x2A ); // LCD_WriteData_8Bit ( 0x00 ); //Set the horizontal starting point to the high octet // LCD_WriteData_8Bit ( (Xstart & 0xff) + sLCD_DIS.LCD_X_Adjust); //Set the horizontal starting point to the low octet // LCD_WriteData_8Bit ( 0x00 ); //Set the horizontal end to the high octet // LCD_WriteData_8Bit ( (( Xend - 1 ) & 0xff) + sLCD_DIS.LCD_X_Adjust); //Set the horizontal end to the low octet // //set the Y coordinates // LCD_WriteReg ( 0x2B ); // LCD_WriteData_8Bit ( 0x00 ); // LCD_WriteData_8Bit ( (Ystart & 0xff) + sLCD_DIS.LCD_Y_Adjust); // LCD_WriteData_8Bit ( 0x00 ); // LCD_WriteData_8Bit ( ( (Yend - 1) & 0xff )+ sLCD_DIS.LCD_Y_Adjust); // LCD_WriteReg(0x2C); // } // /******************************************************************************** // function: Set the display point (Xpoint, Ypoint) // parameter: // xStart : X direction Start coordinates // xEnd : X direction end coordinates // ********************************************************************************/ // void LCD_SetCursor ( POINT Xpoint, POINT Ypoint ) // { // LCD_SetWindows ( Xpoint, Ypoint, Xpoint , Ypoint ); // } // /******************************************************************************** // function: Set show color // parameter: // Color : Set show color // ********************************************************************************/ // //static void LCD_SetColor( LENGTH Dis_Width, LENGTH Dis_Height, COLOR Color ){ // void LCD_SetColor( COLOR Color ,POINT Xpoint, POINT Ypoint) // { // LCD_WriteData_NLen16Bit(Color ,(uint32_t)Xpoint * (uint32_t)Ypoint); // } // /******************************************************************************** // function: Point (Xpoint, Ypoint) Fill the color // parameter: // Xpoint : The x coordinate of the point // Ypoint : The y coordinate of the point // Color : Set the color // ********************************************************************************/ // void LCD_SetPointlColor ( POINT Xpoint, POINT Ypoint, COLOR Color ) // { // if ( ( Xpoint <= sLCD_DIS.LCD_Dis_Column ) && ( Ypoint <= sLCD_DIS.LCD_Dis_Page ) ) { // LCD_SetCursor (Xpoint, Ypoint); // LCD_SetColor ( Color , 1 , 1); // } // } // /******************************************************************************** // function: Fill the area with the color // parameter: // Xstart : Start point x coordinate // Ystart : Start point y coordinate // Xend : End point coordinates // Yend : End point coordinates // Color : Set the color // ********************************************************************************/ // void LCD_SetArealColor (POINT Xstart, POINT Ystart, POINT Xend, POINT Yend, COLOR Color) // { // if((Xend > Xstart) && (Yend > Ystart)) { // LCD_SetWindows( Xstart , Ystart , Xend , Yend ); // LCD_SetColor ( Color ,Xend - Xstart , Yend - Ystart ); // } // } // /******************************************************************************** // function: // Clear screen // ********************************************************************************/ // void LCD_Clear(COLOR Color) // { // LCD_SetArealColor(0,0, sLCD_DIS.LCD_Dis_Column , sLCD_DIS.LCD_Dis_Page, Color); // }