/********************************************************************************************************* * * File : LCD.c * Hardware Environment: * Build Environment : RealView MDK-ARM Version: 4.20 * Version : V1.0 * By : Noi * * (c) Copyright 2005-2011, WaveShare * http://www.waveshare.net * All Rights Reserved * *********************************************************************************************************/ /* Includes ------------------------------------------------------------------*/ #include "LCD.h" #include "AsciiLib.h" /* Private define ------------------------------------------------------------*/ #define LCD_REG (*((volatile unsigned short *) 0x6F000000)) /* RS = 0 */ #define LCD_RAM (*((volatile unsigned short *) 0x6F010000)) /* RS = 1 */ /* Private variables ---------------------------------------------------------*/ static uint8_t LCD_Code; /* Private define ------------------------------------------------------------*/ #define ILI9320 0 /* 0x9320 */ #define ILI9325 1 /* 0x9325 */ #define ILI9328 2 /* 0x9328 */ #define ILI9331 3 /* 0x9331 */ #define SSD1298 4 /* 0x8999 */ #define SSD1289 5 /* 0x8989 */ #define ST7781 6 /* 0x7783 */ #define LGDP4531 7 /* 0x4531 */ #define SPFD5408B 8 /* 0x5408 */ #define R61505U 9 /* 0x1505 0x0505 */ #define HX8347D 10 /* 0x0047 */ #define HX8347A 11 /* 0x0047 */ #define LGDP4535 12 /* 0x4535 */ #define SSD2119 13 /* 3.5 LCD 0x9919 */ /******************************************************************************* * Function Name : LCD_CtrlLinesConfig * Description : Configures LCD Control lines (FSMC Pins) in alternate function Push-Pull mode. * Input : None * Output : None * Return : None * Attention : None *******************************************************************************/ static void LCD_CtrlLinesConfig(void) { GPIO_InitTypeDef GPIO_InitStructure; /* Enable FSMC, GPIOD, GPIOE, GPIOF, GPIOG and AFIO clocks */ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE | RCC_APB2Periph_GPIOF | RCC_APB2Periph_GPIOG | RCC_APB2Periph_AFIO, ENABLE); /* Set PD.00(D2), PD.01(D3), PD.04(NOE), PD.05(NWE), PD.08(D13), PD.09(D14), PD.10(D15), PD.14(D0), PD.15(D1) as alternate function push pull */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_14 | GPIO_Pin_15; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_Init(GPIOD, &GPIO_InitStructure); /* Set PE.07(D4), PE.08(D5), PE.09(D6), PE.10(D7), PE.11(D8), PE.12(D9), PE.13(D10), PE.14(D11), PE.15(D12) as alternate function push pull */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15; GPIO_Init(GPIOE, &GPIO_InitStructure); /* Set PE.02(A23), PE.05(A21), PE.06(A22) as alternate function push pull */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_5 | GPIO_Pin_6; GPIO_Init(GPIOE, &GPIO_InitStructure); /* Set PF.00(A0 (RS)) as alternate function push pull */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; GPIO_Init(GPIOF, &GPIO_InitStructure); /* Set PG.05(A15), PG.12(NE4), PG.13(A24) as alternate function push pull - CE3(LCD /CS) */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_12 | GPIO_Pin_13; GPIO_Init(GPIOG, &GPIO_InitStructure); } /******************************************************************************* * Function Name : LCD_FSMCConfig * Description : Configures the Parallel interface (FSMC) for LCD(Parallel mode) * Input : None * Output : None * Return : None * Attention : None *******************************************************************************/ static void LCD_FSMCConfig(void) { FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure; FSMC_NORSRAMTimingInitTypeDef FSMC_NORSRAMTimingInitStructure; /* FSMC Read/Write Timing */ FSMC_NORSRAMTimingInitStructure.FSMC_AddressSetupTime = 5; /* Address Setup Time */ FSMC_NORSRAMTimingInitStructure.FSMC_AddressHoldTime = 0; FSMC_NORSRAMTimingInitStructure.FSMC_DataSetupTime = 5; /* Data Setup Time */ FSMC_NORSRAMTimingInitStructure.FSMC_BusTurnAroundDuration = 0x00; FSMC_NORSRAMTimingInitStructure.FSMC_CLKDivision = 0x00; FSMC_NORSRAMTimingInitStructure.FSMC_DataLatency = 0x00; FSMC_NORSRAMTimingInitStructure.FSMC_AccessMode = FSMC_AccessMode_A; /* FSMC Access Mode */ FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM4; FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable; FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_SRAM; FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b; FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable; FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low; FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable; FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState; FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable; FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable; FSMC_NORSRAMInitStructure.FSMC_AsynchronousWait = FSMC_AsynchronousWait_Disable; FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Disable; FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable; FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &FSMC_NORSRAMTimingInitStructure; FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); /* FSMC Write Timing */ FSMC_NORSRAMTimingInitStructure.FSMC_AddressSetupTime = 15;//2;//1; /* Address Setup Time */ FSMC_NORSRAMTimingInitStructure.FSMC_AddressHoldTime = 0; FSMC_NORSRAMTimingInitStructure.FSMC_DataSetupTime = 15;//2;//1; /* Data Setup Time */ FSMC_NORSRAMTimingInitStructure.FSMC_BusTurnAroundDuration = 0x00; FSMC_NORSRAMTimingInitStructure.FSMC_CLKDivision = 0x00; FSMC_NORSRAMTimingInitStructure.FSMC_DataLatency = 0x00; FSMC_NORSRAMTimingInitStructure.FSMC_AccessMode = FSMC_AccessMode_A; /* FSMC Access Mode */ FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &FSMC_NORSRAMTimingInitStructure; FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); /* Enable FSMC Bank4_SRAM Bank */ FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM4, ENABLE); } /******************************************************************************* * Function Name : LCD_Configuration * Description : Configure the LCD Control pins and FSMC Parallel interface * Input : None * Output : None * Return : None * Attention : None *******************************************************************************/ static void LCD_Configuration(void) { /* Configure the LCD Control pins --------------------------------------------*/ LCD_CtrlLinesConfig(); /* Configure the FSMC Parallel interface -------------------------------------*/ LCD_FSMCConfig(); } /******************************************************************************* * Function Name : delay_ms * Description : Delay Time * Input : - cnt: Delay Time * Output : None * Return : None * Return : None * Attention : None *******************************************************************************/ void delay_ms(uint16_t ms) { uint16_t i,j; for( i = 0; i < ms; i++ ) { for( j = 0; j < 1141; j++ ); } } /******************************************************************************* * Function Name : LCD_Initializtion * Description : SSD1963 Resets * Input : None * Output : None * Return : None * Attention : None *******************************************************************************/ uint16_t DeviceCode; uint16_t i; void LCD_Initializtion(void) { GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); /*Back Light Control (PB.00), LCD Reset (PB.01)*/ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOB, &GPIO_InitStructure); GPIO_SetBits(GPIOB, GPIO_Pin_0); /* Enable LCD back light */ GPIO_ResetBits(GPIOB, GPIO_Pin_1); /* Enable LCD_RESET */ delay_ms(100); GPIO_SetBits(GPIOB, GPIO_Pin_1); /* Disable LCD_RESET */ LCD_Configuration(); /* Set MN(multipliers) of PLL, VCO = crystal freq * (N+1) */ /* PLL freq = VCO/M with 250MHz < VCO < 800MHz */ /* The max PLL freq is around 120MHz. To obtain 120MHz as the PLL freq */ DeviceCode = 0x0123; DeviceCode = LCD_ReadReg(0x0000); /* Read LCD ID */ if( DeviceCode == 0x9325 || DeviceCode == 0x9328 ) { LCD_Code = ILI9325; LCD_WriteReg(0x00e7,0x0010); LCD_WriteReg(0x0000,0x0001); /* start internal osc */ LCD_WriteReg(0x0001,0x0100); LCD_WriteReg(0x0002,0x0700); /* power on sequence */ LCD_WriteReg(0x0003,(1<<12)|(1<<5)|(1<<4)|(0<<3) ); /* importance */ LCD_WriteReg(0x0004,0x0000); LCD_WriteReg(0x0008,0x0207); LCD_WriteReg(0x0009,0x0000); LCD_WriteReg(0x000a,0x0000); /* display setting */ LCD_WriteReg(0x000c,0x0001); /* display setting */ LCD_WriteReg(0x000d,0x0000); LCD_WriteReg(0x000f,0x0000); /* Power On sequence */ LCD_WriteReg(0x0010,0x0000); LCD_WriteReg(0x0011,0x0007); LCD_WriteReg(0x0012,0x0000); LCD_WriteReg(0x0013,0x0000); delay_ms(50); /* delay 50 ms */ LCD_WriteReg(0x0010,0x1590); LCD_WriteReg(0x0011,0x0227); delay_ms(50); /* delay 50 ms */ LCD_WriteReg(0x0012,0x009c); delay_ms(50); /* delay 50 ms */ LCD_WriteReg(0x0013,0x1900); LCD_WriteReg(0x0029,0x0023); LCD_WriteReg(0x002b,0x000e); delay_ms(50); /* delay 50 ms */ LCD_WriteReg(0x0020,0x0000); LCD_WriteReg(0x0021,0x0000); delay_ms(50); /* delay 50 ms */ LCD_WriteReg(0x0030,0x0007); LCD_WriteReg(0x0031,0x0707); LCD_WriteReg(0x0032,0x0006); LCD_WriteReg(0x0035,0x0704); LCD_WriteReg(0x0036,0x1f04); LCD_WriteReg(0x0037,0x0004); LCD_WriteReg(0x0038,0x0000); LCD_WriteReg(0x0039,0x0706); LCD_WriteReg(0x003c,0x0701); LCD_WriteReg(0x003d,0x000f); delay_ms(50); /* delay 50 ms */ LCD_WriteReg(0x0050,0x0000); LCD_WriteReg(0x0051,0x00ef); LCD_WriteReg(0x0052,0x0000); LCD_WriteReg(0x0053,0x013f); LCD_WriteReg(0x0060,0xa700); LCD_WriteReg(0x0061,0x0001); LCD_WriteReg(0x006a,0x0000); LCD_WriteReg(0x0080,0x0000); LCD_WriteReg(0x0081,0x0000); LCD_WriteReg(0x0082,0x0000); LCD_WriteReg(0x0083,0x0000); LCD_WriteReg(0x0084,0x0000); LCD_WriteReg(0x0085,0x0000); LCD_WriteReg(0x0090,0x0010); LCD_WriteReg(0x0092,0x0000); LCD_WriteReg(0x0093,0x0003); LCD_WriteReg(0x0095,0x0110); LCD_WriteReg(0x0097,0x0000); LCD_WriteReg(0x0098,0x0000); /* display on sequence */ LCD_WriteReg(0x0007,0x0133); LCD_WriteReg(0x0020,0x0000); LCD_WriteReg(0x0021,0x0000); } else if( DeviceCode == 0x9320 || DeviceCode == 0x9300 ) { LCD_Code = ILI9320; LCD_WriteReg(0x00,0x0000); LCD_WriteReg(0x01,0x0100); /* Driver Output Contral */ LCD_WriteReg(0x02,0x0700); /* LCD Driver Waveform Contral */ LCD_WriteReg(0x03,0x1018); /* Entry Mode Set */ LCD_WriteReg(0x04,0x0000); /* Scalling Contral */ LCD_WriteReg(0x08,0x0202); /* Display Contral */ LCD_WriteReg(0x09,0x0000); /* Display Contral 3.(0x0000) */ LCD_WriteReg(0x0a,0x0000); /* Frame Cycle Contal.(0x0000) */ LCD_WriteReg(0x0c,(1<<0)); /* Extern Display Interface Contral */ LCD_WriteReg(0x0d,0x0000); /* Frame Maker Position */ LCD_WriteReg(0x0f,0x0000); /* Extern Display Interface Contral 2. */ delay_ms(100); /* delay 100 ms */ LCD_WriteReg(0x07,0x0101); /* Display Contral */ delay_ms(100); /* delay 100 ms */ LCD_WriteReg(0x10,(1<<12)|(0<<8)|(1<<7)|(1<<6)|(0<<4)); /* Power Control 1.(0x16b0) */ LCD_WriteReg(0x11,0x0007); /* Power Control 2 */ LCD_WriteReg(0x12,(1<<8)|(1<<4)|(0<<0)); /* Power Control 3.(0x0138) */ LCD_WriteReg(0x13,0x0b00); /* Power Control 4 */ LCD_WriteReg(0x29,0x0000); /* Power Control 7 */ LCD_WriteReg(0x2b,(1<<14)|(1<<4)); LCD_WriteReg(0x50,0); /* Set X Start */ LCD_WriteReg(0x51,239); /* Set X End */ LCD_WriteReg(0x52,0); /* Set Y Start */ LCD_WriteReg(0x53,319); /* Set Y End */ LCD_WriteReg(0x60,0x2700); /* Driver Output Control */ LCD_WriteReg(0x61,0x0001); /* Driver Output Control */ LCD_WriteReg(0x6a,0x0000); /* Vertical Srcoll Control */ LCD_WriteReg(0x80,0x0000); /* Display Position? Partial Display 1 */ LCD_WriteReg(0x81,0x0000); /* RAM Address Start? Partial Display 1 */ LCD_WriteReg(0x82,0x0000); /* RAM Address End-Partial Display 1 */ LCD_WriteReg(0x83,0x0000); /* Displsy Position? Partial Display 2 */ LCD_WriteReg(0x84,0x0000); /* RAM Address Start? Partial Display 2 */ LCD_WriteReg(0x85,0x0000); /* RAM Address End? Partial Display 2 */ LCD_WriteReg(0x90,(0<<7)|(16<<0)); /* Frame Cycle Contral.(0x0013) */ LCD_WriteReg(0x92,0x0000); /* Panel Interface Contral 2.(0x0000) */ LCD_WriteReg(0x93,0x0001); /* Panel Interface Contral 3. */ LCD_WriteReg(0x95,0x0110); /* Frame Cycle Contral.(0x0110) */ LCD_WriteReg(0x97,(0<<8)); LCD_WriteReg(0x98,0x0000); /* Frame Cycle Contral */ LCD_WriteReg(0x07,0x0173); } else if( DeviceCode == 0x9331 ) { LCD_Code = ILI9331; LCD_WriteReg(0x00E7, 0x1014); LCD_WriteReg(0x0001, 0x0100); /* set SS and SM bit */ LCD_WriteReg(0x0002, 0x0200); /* set 1 line inversion */ LCD_WriteReg(0x0003, 0x1030); /* set GRAM write direction and BGR=1 */ LCD_WriteReg(0x0008, 0x0202); /* set the back porch and front porch */ LCD_WriteReg(0x0009, 0x0000); /* set non-display area refresh cycle ISC[3:0] */ LCD_WriteReg(0x000A, 0x0000); /* FMARK function */ LCD_WriteReg(0x000C, 0x0000); /* RGB interface setting */ LCD_WriteReg(0x000D, 0x0000); /* Frame marker Position */ LCD_WriteReg(0x000F, 0x0000); /* RGB interface polarity */ /* Power On sequence */ LCD_WriteReg(0x0010, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */ LCD_WriteReg(0x0011, 0x0007); /* DC1[2:0], DC0[2:0], VC[2:0] */ LCD_WriteReg(0x0012, 0x0000); /* VREG1OUT voltage */ LCD_WriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */ delay_ms(200); /* delay 200 ms */ LCD_WriteReg(0x0010, 0x1690); /* SAP, BT[3:0], AP, DSTB, SLP, STB */ LCD_WriteReg(0x0011, 0x0227); /* DC1[2:0], DC0[2:0], VC[2:0] */ delay_ms(50); /* delay 50 ms */ LCD_WriteReg(0x0012, 0x000C); /* Internal reference voltage= Vci */ delay_ms(50); /* delay 50 ms */ LCD_WriteReg(0x0013, 0x0800); /* Set VDV[4:0] for VCOM amplitude */ LCD_WriteReg(0x0029, 0x0011); /* Set VCM[5:0] for VCOMH */ LCD_WriteReg(0x002B, 0x000B); /* Set Frame Rate */ delay_ms(50); /* delay 50 ms */ LCD_WriteReg(0x0020, 0x0000); /* GRAM horizontal Address */ LCD_WriteReg(0x0021, 0x0000); /* GRAM Vertical Address */ /* Adjust the Gamma Curve */ LCD_WriteReg(0x0030, 0x0000); LCD_WriteReg(0x0031, 0x0106); LCD_WriteReg(0x0032, 0x0000); LCD_WriteReg(0x0035, 0x0204); LCD_WriteReg(0x0036, 0x160A); LCD_WriteReg(0x0037, 0x0707); LCD_WriteReg(0x0038, 0x0106); LCD_WriteReg(0x0039, 0x0707); LCD_WriteReg(0x003C, 0x0402); LCD_WriteReg(0x003D, 0x0C0F); /* Set GRAM area */ LCD_WriteReg(0x0050, 0x0000); /* Horizontal GRAM Start Address */ LCD_WriteReg(0x0051, 0x00EF); /* Horizontal GRAM End Address */ LCD_WriteReg(0x0052, 0x0000); /* Vertical GRAM Start Address */ LCD_WriteReg(0x0053, 0x013F); /* Vertical GRAM Start Address */ LCD_WriteReg(0x0060, 0x2700); /* Gate Scan Line */ LCD_WriteReg(0x0061, 0x0001); /* NDL,VLE, REV */ LCD_WriteReg(0x006A, 0x0000); /* set scrolling line */ /* Partial Display Control */ LCD_WriteReg(0x0080, 0x0000); LCD_WriteReg(0x0081, 0x0000); LCD_WriteReg(0x0082, 0x0000); LCD_WriteReg(0x0083, 0x0000); LCD_WriteReg(0x0084, 0x0000); LCD_WriteReg(0x0085, 0x0000); /* Panel Control */ LCD_WriteReg(0x0090, 0x0010); LCD_WriteReg(0x0092, 0x0600); LCD_WriteReg(0x0007,0x0021); delay_ms(50); /* delay 50 ms */ LCD_WriteReg(0x0007,0x0061); delay_ms(50); /* delay 50 ms */ LCD_WriteReg(0x0007,0x0133); /* 262K color and display ON */ } else if( DeviceCode == 0x9919 ) { LCD_Code = SSD2119; /* POWER ON &RESET DISPLAY OFF */ LCD_WriteReg(0x28,0x0006); LCD_WriteReg(0x00,0x0001); LCD_WriteReg(0x10,0x0000); LCD_WriteReg(0x01,0x72ef); LCD_WriteReg(0x02,0x0600); LCD_WriteReg(0x03,0x6a38); LCD_WriteReg(0x11,0x6874); LCD_WriteReg(0x0f,0x0000); /* RAM WRITE DATA MASK */ LCD_WriteReg(0x0b,0x5308); /* RAM WRITE DATA MASK */ LCD_WriteReg(0x0c,0x0003); LCD_WriteReg(0x0d,0x000a); LCD_WriteReg(0x0e,0x2e00); LCD_WriteReg(0x1e,0x00be); LCD_WriteReg(0x25,0x8000); LCD_WriteReg(0x26,0x7800); LCD_WriteReg(0x27,0x0078); LCD_WriteReg(0x4e,0x0000); LCD_WriteReg(0x4f,0x0000); LCD_WriteReg(0x12,0x08d9); /* Adjust the Gamma Curve */ LCD_WriteReg(0x30,0x0000); LCD_WriteReg(0x31,0x0104); LCD_WriteReg(0x32,0x0100); LCD_WriteReg(0x33,0x0305); LCD_WriteReg(0x34,0x0505); LCD_WriteReg(0x35,0x0305); LCD_WriteReg(0x36,0x0707); LCD_WriteReg(0x37,0x0300); LCD_WriteReg(0x3a,0x1200); LCD_WriteReg(0x3b,0x0800); LCD_WriteReg(0x07,0x0033); } else if( DeviceCode == 0x1505 || DeviceCode == 0x0505 ) { LCD_Code = R61505U; /* second release on 3/5 ,luminance is acceptable,water wave appear during camera preview */ LCD_WriteReg(0x0007,0x0000); delay_ms(50); /* delay 50 ms */ LCD_WriteReg(0x0012,0x011C); /* why need to set several times? */ LCD_WriteReg(0x00A4,0x0001); /* NVM */ LCD_WriteReg(0x0008,0x000F); LCD_WriteReg(0x000A,0x0008); LCD_WriteReg(0x000D,0x0008); /* GAMMA CONTROL */ LCD_WriteReg(0x0030,0x0707); LCD_WriteReg(0x0031,0x0007); LCD_WriteReg(0x0032,0x0603); LCD_WriteReg(0x0033,0x0700); LCD_WriteReg(0x0034,0x0202); LCD_WriteReg(0x0035,0x0002); LCD_WriteReg(0x0036,0x1F0F); LCD_WriteReg(0x0037,0x0707); LCD_WriteReg(0x0038,0x0000); LCD_WriteReg(0x0039,0x0000); LCD_WriteReg(0x003A,0x0707); LCD_WriteReg(0x003B,0x0000); LCD_WriteReg(0x003C,0x0007); LCD_WriteReg(0x003D,0x0000); delay_ms(50); /* delay 50 ms */ LCD_WriteReg(0x0007,0x0001); LCD_WriteReg(0x0017,0x0001); /* Power supply startup enable */ delay_ms(50); /* delay 50 ms */ /* power control */ LCD_WriteReg(0x0010,0x17A0); LCD_WriteReg(0x0011,0x0217); /* reference voltage VC[2:0] Vciout = 1.00*Vcivl */ LCD_WriteReg(0x0012,0x011E); /* Vreg1out = Vcilvl*1.80 is it the same as Vgama1out ? */ LCD_WriteReg(0x0013,0x0F00); /* VDV[4:0]-->VCOM Amplitude VcomL = VcomH - Vcom Ampl */ LCD_WriteReg(0x002A,0x0000); LCD_WriteReg(0x0029,0x000A); /* Vcomh = VCM1[4:0]*Vreg1out gate source voltage?? */ LCD_WriteReg(0x0012,0x013E); /* power supply on */ /* Coordinates Control */ LCD_WriteReg(0x0050,0x0000); LCD_WriteReg(0x0051,0x00EF); LCD_WriteReg(0x0052,0x0000); LCD_WriteReg(0x0053,0x013F); /* Pannel Image Control */ LCD_WriteReg(0x0060,0x2700); LCD_WriteReg(0x0061,0x0001); LCD_WriteReg(0x006A,0x0000); LCD_WriteReg(0x0080,0x0000); /* Partial Image Control */ LCD_WriteReg(0x0081,0x0000); LCD_WriteReg(0x0082,0x0000); LCD_WriteReg(0x0083,0x0000); LCD_WriteReg(0x0084,0x0000); LCD_WriteReg(0x0085,0x0000); /* Panel Interface Control */ LCD_WriteReg(0x0090,0x0013); /* frenqucy */ LCD_WriteReg(0x0092,0x0300); LCD_WriteReg(0x0093,0x0005); LCD_WriteReg(0x0095,0x0000); LCD_WriteReg(0x0097,0x0000); LCD_WriteReg(0x0098,0x0000); LCD_WriteReg(0x0001,0x0100); LCD_WriteReg(0x0002,0x0700); LCD_WriteReg(0x0003,0x1030); LCD_WriteReg(0x0004,0x0000); LCD_WriteReg(0x000C,0x0000); LCD_WriteReg(0x000F,0x0000); LCD_WriteReg(0x0020,0x0000); LCD_WriteReg(0x0021,0x0000); LCD_WriteReg(0x0007,0x0021); delay_ms(200); /* delay 200 ms */ LCD_WriteReg(0x0007,0x0061); delay_ms(200); /* delay 200 ms */ LCD_WriteReg(0x0007,0x0173); } else if( DeviceCode == 0x8989 ) { LCD_Code = SSD1289; LCD_WriteReg(0x0000,0x0001); delay_ms(50); /* Enable LCD Oscillator */ LCD_WriteReg(0x0003,0xA8A4); delay_ms(50); LCD_WriteReg(0x000C,0x0000); delay_ms(50); LCD_WriteReg(0x000D,0x080C); delay_ms(50); LCD_WriteReg(0x000E,0x2B00); delay_ms(50); LCD_WriteReg(0x001E,0x00B0); delay_ms(50); LCD_WriteReg(0x0001,0x2B3F); delay_ms(50); /* 320*240 0x2B3F */ LCD_WriteReg(0x0002,0x0600); delay_ms(50); LCD_WriteReg(0x0010,0x0000); delay_ms(50); LCD_WriteReg(0x0011,0x6070); delay_ms(50); LCD_WriteReg(0x0005,0x0000); delay_ms(50); LCD_WriteReg(0x0006,0x0000); delay_ms(50); LCD_WriteReg(0x0016,0xEF1C); delay_ms(50); LCD_WriteReg(0x0017,0x0003); delay_ms(50); LCD_WriteReg(0x0007,0x0133); delay_ms(50); LCD_WriteReg(0x000B,0x0000); delay_ms(50); LCD_WriteReg(0x000F,0x0000); delay_ms(50); LCD_WriteReg(0x0041,0x0000); delay_ms(50); LCD_WriteReg(0x0042,0x0000); delay_ms(50); LCD_WriteReg(0x0048,0x0000); delay_ms(50); LCD_WriteReg(0x0049,0x013F); delay_ms(50); LCD_WriteReg(0x004A,0x0000); delay_ms(50); LCD_WriteReg(0x004B,0x0000); delay_ms(50); LCD_WriteReg(0x0044,0xEF00); delay_ms(50); LCD_WriteReg(0x0045,0x0000); delay_ms(50); LCD_WriteReg(0x0046,0x013F); delay_ms(50); LCD_WriteReg(0x0030,0x0707); delay_ms(50); LCD_WriteReg(0x0031,0x0204); delay_ms(50); LCD_WriteReg(0x0032,0x0204); delay_ms(50); LCD_WriteReg(0x0033,0x0502); delay_ms(50); LCD_WriteReg(0x0034,0x0507); delay_ms(50); LCD_WriteReg(0x0035,0x0204); delay_ms(50); LCD_WriteReg(0x0036,0x0204); delay_ms(50); LCD_WriteReg(0x0037,0x0502); delay_ms(50); LCD_WriteReg(0x003A,0x0302); delay_ms(50); LCD_WriteReg(0x003B,0x0302); delay_ms(50); LCD_WriteReg(0x0023,0x0000); delay_ms(50); LCD_WriteReg(0x0024,0x0000); delay_ms(50); LCD_WriteReg(0x0025,0x8000); delay_ms(50); LCD_WriteReg(0x004f,0); LCD_WriteReg(0x004e,0); } else if( DeviceCode == 0x8999 ) { LCD_Code = SSD1298; LCD_WriteReg(0x0028,0x0006); LCD_WriteReg(0x0000,0x0001); LCD_WriteReg(0x0003,0xaea4); /* power control 1---line frequency and VHG,VGL voltage */ LCD_WriteReg(0x000c,0x0004); /* power control 2---VCIX2 output voltage */ LCD_WriteReg(0x000d,0x000c); /* power control 3---Vlcd63 voltage */ LCD_WriteReg(0x000e,0x2800); /* power control 4---VCOMA voltage VCOML=VCOMH*0.9475-VCOMA */ LCD_WriteReg(0x001e,0x00b5); /* POWER CONTROL 5---VCOMH voltage */ LCD_WriteReg(0x0001,0x3b3f); LCD_WriteReg(0x0002,0x0600); LCD_WriteReg(0x0010,0x0000); LCD_WriteReg(0x0011,0x6830); LCD_WriteReg(0x0005,0x0000); LCD_WriteReg(0x0006,0x0000); LCD_WriteReg(0x0016,0xef1c); LCD_WriteReg(0x0007,0x0033); /* Display control 1 */ /* when GON=1 and DTE=0,all gate outputs become VGL */ /* when GON=1 and DTE=0,all gate outputs become VGH */ /* non-selected gate wires become VGL */ LCD_WriteReg(0x000b,0x0000); LCD_WriteReg(0x000f,0x0000); LCD_WriteReg(0x0041,0x0000); LCD_WriteReg(0x0042,0x0000); LCD_WriteReg(0x0048,0x0000); LCD_WriteReg(0x0049,0x013f); LCD_WriteReg(0x004a,0x0000); LCD_WriteReg(0x004b,0x0000); LCD_WriteReg(0x0044,0xef00); /* Horizontal RAM start and end address */ LCD_WriteReg(0x0045,0x0000); /* Vretical RAM start address */ LCD_WriteReg(0x0046,0x013f); /* Vretical RAM end address */ LCD_WriteReg(0x004e,0x0000); /* set GDDRAM x address counter */ LCD_WriteReg(0x004f,0x0000); /* set GDDRAM y address counter */ /* y control */ LCD_WriteReg(0x0030,0x0707); LCD_WriteReg(0x0031,0x0202); LCD_WriteReg(0x0032,0x0204); LCD_WriteReg(0x0033,0x0502); LCD_WriteReg(0x0034,0x0507); LCD_WriteReg(0x0035,0x0204); LCD_WriteReg(0x0036,0x0204); LCD_WriteReg(0x0037,0x0502); LCD_WriteReg(0x003a,0x0302); LCD_WriteReg(0x003b,0x0302); LCD_WriteReg(0x0023,0x0000); LCD_WriteReg(0x0024,0x0000); LCD_WriteReg(0x0025,0x8000); LCD_WriteReg(0x0026,0x7000); LCD_WriteReg(0x0020,0xb0eb); LCD_WriteReg(0x0027,0x007c); } else if( DeviceCode == 0x5408 ) { LCD_Code = SPFD5408B; LCD_WriteReg(0x0001,0x0100); /* Driver Output Contral Register */ LCD_WriteReg(0x0002,0x0700); /* LCD Driving Waveform Contral */ LCD_WriteReg(0x0003,0x1030); LCD_WriteReg(0x0004,0x0000); /* Scalling Control register */ LCD_WriteReg(0x0008,0x0207); /* Display Control 2 */ LCD_WriteReg(0x0009,0x0000); /* Display Control 3 */ LCD_WriteReg(0x000A,0x0000); /* Frame Cycle Control */ LCD_WriteReg(0x000C,0x0000); /* External Display Interface Control 1 */ LCD_WriteReg(0x000D,0x0000); /* Frame Maker Position */ LCD_WriteReg(0x000F,0x0000); /* External Display Interface Control 2 */ delay_ms(50); LCD_WriteReg(0x0007,0x0101); /* Display Control */ delay_ms(50); LCD_WriteReg(0x0010,0x16B0); /* Power Control 1 */ LCD_WriteReg(0x0011,0x0001); /* Power Control 2 */ LCD_WriteReg(0x0017,0x0001); /* Power Control 3 */ LCD_WriteReg(0x0012,0x0138); /* Power Control 4 */ LCD_WriteReg(0x0013,0x0800); /* Power Control 5 */ LCD_WriteReg(0x0029,0x0009); /* NVM read data 2 */ LCD_WriteReg(0x002a,0x0009); /* NVM read data 3 */ LCD_WriteReg(0x00a4,0x0000); LCD_WriteReg(0x0050,0x0000); LCD_WriteReg(0x0051,0x00EF); LCD_WriteReg(0x0052,0x0000); LCD_WriteReg(0x0053,0x013F); LCD_WriteReg(0x0060,0x2700); /* Driver Output Control */ LCD_WriteReg(0x0061,0x0003); /* Driver Output Control */ LCD_WriteReg(0x006A,0x0000); /* Vertical Scroll Control */ LCD_WriteReg(0x0080,0x0000); /* Display Position 每 Partial Display 1 */ LCD_WriteReg(0x0081,0x0000); /* RAM Address Start 每 Partial Display 1 */ LCD_WriteReg(0x0082,0x0000); /* RAM address End - Partial Display 1 */ LCD_WriteReg(0x0083,0x0000); /* Display Position 每 Partial Display 2 */ LCD_WriteReg(0x0084,0x0000); /* RAM Address Start 每 Partial Display 2 */ LCD_WriteReg(0x0085,0x0000); /* RAM address End 每 Partail Display2 */ LCD_WriteReg(0x0090,0x0013); /* Frame Cycle Control */ LCD_WriteReg(0x0092,0x0000); /* Panel Interface Control 2 */ LCD_WriteReg(0x0093,0x0003); /* Panel Interface control 3 */ LCD_WriteReg(0x0095,0x0110); /* Frame Cycle Control */ LCD_WriteReg(0x0007,0x0173); } else if( DeviceCode == 0x4531 ) { LCD_Code = LGDP4531; /* Setup display */ LCD_WriteReg(0x00,0x0001); LCD_WriteReg(0x10,0x0628); LCD_WriteReg(0x12,0x0006); LCD_WriteReg(0x13,0x0A32); LCD_WriteReg(0x11,0x0040); LCD_WriteReg(0x15,0x0050); LCD_WriteReg(0x12,0x0016); delay_ms(50); LCD_WriteReg(0x10,0x5660); delay_ms(50); LCD_WriteReg(0x13,0x2A4E); LCD_WriteReg(0x01,0x0100); LCD_WriteReg(0x02,0x0300); LCD_WriteReg(0x03,0x1030); LCD_WriteReg(0x08,0x0202); LCD_WriteReg(0x0A,0x0000); LCD_WriteReg(0x30,0x0000); LCD_WriteReg(0x31,0x0402); LCD_WriteReg(0x32,0x0106); LCD_WriteReg(0x33,0x0700); LCD_WriteReg(0x34,0x0104); LCD_WriteReg(0x35,0x0301); LCD_WriteReg(0x36,0x0707); LCD_WriteReg(0x37,0x0305); LCD_WriteReg(0x38,0x0208); LCD_WriteReg(0x39,0x0F0B); delay_ms(50); LCD_WriteReg(0x41,0x0002); LCD_WriteReg(0x60,0x2700); LCD_WriteReg(0x61,0x0001); LCD_WriteReg(0x90,0x0119); LCD_WriteReg(0x92,0x010A); LCD_WriteReg(0x93,0x0004); LCD_WriteReg(0xA0,0x0100); delay_ms(50); LCD_WriteReg(0x07,0x0133); delay_ms(50); LCD_WriteReg(0xA0,0x0000); } else if( DeviceCode == 0x4535 ) { LCD_Code = LGDP4535; LCD_WriteReg(0x15, 0x0030); /* Set the internal vcore voltage */ LCD_WriteReg(0x9A, 0x0010); /* Start internal OSC */ LCD_WriteReg(0x11, 0x0020); /* set SS and SM bit */ LCD_WriteReg(0x10, 0x3428); /* set 1 line inversion */ LCD_WriteReg(0x12, 0x0002); /* set GRAM write direction and BGR=1 */ LCD_WriteReg(0x13, 0x1038); /* Resize register */ delay_ms(40); LCD_WriteReg(0x12, 0x0012); /* set the back porch and front porch */ delay_ms(40); LCD_WriteReg(0x10, 0x3420); /* set non-display area refresh cycle ISC[3:0] */ LCD_WriteReg(0x13, 0x3045); /* FMARK function */ delay_ms(70); LCD_WriteReg(0x30, 0x0000); /* RGB interface setting */ LCD_WriteReg(0x31, 0x0402); /* Frame marker Position */ LCD_WriteReg(0x32, 0x0307); /* RGB interface polarity */ LCD_WriteReg(0x33, 0x0304); /* SAP, BT[3:0], AP, DSTB, SLP, STB */ LCD_WriteReg(0x34, 0x0004); /* DC1[2:0], DC0[2:0], VC[2:0] */ LCD_WriteReg(0x35, 0x0401); /* VREG1OUT voltage */ LCD_WriteReg(0x36, 0x0707); /* VDV[4:0] for VCOM amplitude */ LCD_WriteReg(0x37, 0x0305); /* SAP, BT[3:0], AP, DSTB, SLP, STB */ LCD_WriteReg(0x38, 0x0610); /* DC1[2:0], DC0[2:0], VC[2:0] */ LCD_WriteReg(0x39, 0x0610); /* VREG1OUT voltage */ LCD_WriteReg(0x01, 0x0100); /* VDV[4:0] for VCOM amplitude */ LCD_WriteReg(0x02, 0x0300); /* VCM[4:0] for VCOMH */ LCD_WriteReg(0x03, 0x1030); /* GRAM horizontal Address */ LCD_WriteReg(0x08, 0x0808); /* GRAM Vertical Address */ LCD_WriteReg(0x0A, 0x0008); LCD_WriteReg(0x60, 0x2700); /* Gate Scan Line */ LCD_WriteReg(0x61, 0x0001); /* NDL,VLE, REV */ LCD_WriteReg(0x90, 0x013E); LCD_WriteReg(0x92, 0x0100); LCD_WriteReg(0x93, 0x0100); LCD_WriteReg(0xA0, 0x3000); LCD_WriteReg(0xA3, 0x0010); LCD_WriteReg(0x07, 0x0001); LCD_WriteReg(0x07, 0x0021); LCD_WriteReg(0x07, 0x0023); LCD_WriteReg(0x07, 0x0033); LCD_WriteReg(0x07, 0x0133); } else if( DeviceCode == 0x0047 ) { LCD_Code = HX8347D; /* Start Initial Sequence */ LCD_WriteReg(0xEA,0x00); LCD_WriteReg(0xEB,0x20); LCD_WriteReg(0xEC,0x0C); LCD_WriteReg(0xED,0xC4); LCD_WriteReg(0xE8,0x40); LCD_WriteReg(0xE9,0x38); LCD_WriteReg(0xF1,0x01); LCD_WriteReg(0xF2,0x10); LCD_WriteReg(0x27,0xA3); /* GAMMA SETTING */ LCD_WriteReg(0x40,0x01); LCD_WriteReg(0x41,0x00); LCD_WriteReg(0x42,0x00); LCD_WriteReg(0x43,0x10); LCD_WriteReg(0x44,0x0E); LCD_WriteReg(0x45,0x24); LCD_WriteReg(0x46,0x04); LCD_WriteReg(0x47,0x50); LCD_WriteReg(0x48,0x02); LCD_WriteReg(0x49,0x13); LCD_WriteReg(0x4A,0x19); LCD_WriteReg(0x4B,0x19); LCD_WriteReg(0x4C,0x16); LCD_WriteReg(0x50,0x1B); LCD_WriteReg(0x51,0x31); LCD_WriteReg(0x52,0x2F); LCD_WriteReg(0x53,0x3F); LCD_WriteReg(0x54,0x3F); LCD_WriteReg(0x55,0x3E); LCD_WriteReg(0x56,0x2F); LCD_WriteReg(0x57,0x7B); LCD_WriteReg(0x58,0x09); LCD_WriteReg(0x59,0x06); LCD_WriteReg(0x5A,0x06); LCD_WriteReg(0x5B,0x0C); LCD_WriteReg(0x5C,0x1D); LCD_WriteReg(0x5D,0xCC); /* Power Voltage Setting */ LCD_WriteReg(0x1B,0x18); LCD_WriteReg(0x1A,0x01); LCD_WriteReg(0x24,0x15); LCD_WriteReg(0x25,0x50); LCD_WriteReg(0x23,0x8B); LCD_WriteReg(0x18,0x36); LCD_WriteReg(0x19,0x01); LCD_WriteReg(0x01,0x00); LCD_WriteReg(0x1F,0x88); delay_ms(50); LCD_WriteReg(0x1F,0x80); delay_ms(50); LCD_WriteReg(0x1F,0x90); delay_ms(50); LCD_WriteReg(0x1F,0xD0); delay_ms(50); LCD_WriteReg(0x17,0x05); LCD_WriteReg(0x36,0x00); LCD_WriteReg(0x28,0x38); delay_ms(50); LCD_WriteReg(0x28,0x3C); } else if( DeviceCode == 0x7783 ) { LCD_Code = ST7781; /* Start Initial Sequence */ LCD_WriteReg(0x00FF,0x0001); LCD_WriteReg(0x00F3,0x0008); LCD_WriteReg(0x0001,0x0100); LCD_WriteReg(0x0002,0x0700); LCD_WriteReg(0x0003,0x1030); LCD_WriteReg(0x0008,0x0302); LCD_WriteReg(0x0008,0x0207); LCD_WriteReg(0x0009,0x0000); LCD_WriteReg(0x000A,0x0000); LCD_WriteReg(0x0010,0x0000); LCD_WriteReg(0x0011,0x0005); LCD_WriteReg(0x0012,0x0000); LCD_WriteReg(0x0013,0x0000); delay_ms(50); LCD_WriteReg(0x0010,0x12B0); delay_ms(50); LCD_WriteReg(0x0011,0x0007); delay_ms(50); LCD_WriteReg(0x0012,0x008B); delay_ms(50); LCD_WriteReg(0x0013,0x1700); delay_ms(50); LCD_WriteReg(0x0029,0x0022); LCD_WriteReg(0x0030,0x0000); LCD_WriteReg(0x0031,0x0707); LCD_WriteReg(0x0032,0x0505); LCD_WriteReg(0x0035,0x0107); LCD_WriteReg(0x0036,0x0008); LCD_WriteReg(0x0037,0x0000); LCD_WriteReg(0x0038,0x0202); LCD_WriteReg(0x0039,0x0106); LCD_WriteReg(0x003C,0x0202); LCD_WriteReg(0x003D,0x0408); delay_ms(50); LCD_WriteReg(0x0050,0x0000); LCD_WriteReg(0x0051,0x00EF); LCD_WriteReg(0x0052,0x0000); LCD_WriteReg(0x0053,0x013F); LCD_WriteReg(0x0060,0xA700); LCD_WriteReg(0x0061,0x0001); LCD_WriteReg(0x0090,0x0033); LCD_WriteReg(0x002B,0x000B); LCD_WriteReg(0x0007,0x0133); } else /* special ID */ { DeviceCode = 0x0123; DeviceCode = LCD_ReadReg(0x67); if( DeviceCode == 0x0047 ) { LCD_Code = HX8347A; LCD_WriteReg(0x0042,0x0008); /* Gamma setting */ LCD_WriteReg(0x0046,0x00B4); LCD_WriteReg(0x0047,0x0043); LCD_WriteReg(0x0048,0x0013); LCD_WriteReg(0x0049,0x0047); LCD_WriteReg(0x004A,0x0014); LCD_WriteReg(0x004B,0x0036); LCD_WriteReg(0x004C,0x0003); LCD_WriteReg(0x004D,0x0046); LCD_WriteReg(0x004E,0x0005); LCD_WriteReg(0x004F,0x0010); LCD_WriteReg(0x0050,0x0008); LCD_WriteReg(0x0051,0x000a); /* Window Setting */ LCD_WriteReg(0x0002,0x0000); LCD_WriteReg(0x0003,0x0000); LCD_WriteReg(0x0004,0x0000); LCD_WriteReg(0x0005,0x00EF); LCD_WriteReg(0x0006,0x0000); LCD_WriteReg(0x0007,0x0000); LCD_WriteReg(0x0008,0x0001); LCD_WriteReg(0x0009,0x003F); delay_ms(10); LCD_WriteReg(0x0001,0x0006); LCD_WriteReg(0x0016,0x00C8); LCD_WriteReg(0x0023,0x0095); LCD_WriteReg(0x0024,0x0095); LCD_WriteReg(0x0025,0x00FF); LCD_WriteReg(0x0027,0x0002); LCD_WriteReg(0x0028,0x0002); LCD_WriteReg(0x0029,0x0002); LCD_WriteReg(0x002A,0x0002); LCD_WriteReg(0x002C,0x0002); LCD_WriteReg(0x002D,0x0002); LCD_WriteReg(0x003A,0x0001); LCD_WriteReg(0x003B,0x0001); LCD_WriteReg(0x003C,0x00F0); LCD_WriteReg(0x003D,0x0000); delay_ms(20); LCD_WriteReg(0x0035,0x0038); LCD_WriteReg(0x0036,0x0078); LCD_WriteReg(0x003E,0x0038); LCD_WriteReg(0x0040,0x000F); LCD_WriteReg(0x0041,0x00F0); LCD_WriteReg(0x0038,0x0000); /* Power Setting */ LCD_WriteReg(0x0019,0x0049); LCD_WriteReg(0x0093,0x000A); delay_ms(10); LCD_WriteReg(0x0020,0x0020); LCD_WriteReg(0x001D,0x0003); LCD_WriteReg(0x001E,0x0000); LCD_WriteReg(0x001F,0x0009); LCD_WriteReg(0x0044,0x0053); LCD_WriteReg(0x0045,0x0010); delay_ms(10); LCD_WriteReg(0x001C,0x0004); delay_ms(20); LCD_WriteReg(0x0043,0x0080); delay_ms(5); LCD_WriteReg(0x001B,0x000a); delay_ms(40); LCD_WriteReg(0x001B,0x0012); delay_ms(40); /* Display On Setting */ LCD_WriteReg(0x0090,0x007F); LCD_WriteReg(0x0026,0x0004); delay_ms(40); LCD_WriteReg(0x0026,0x0024); LCD_WriteReg(0x0026,0x002C); delay_ms(40); LCD_WriteReg(0x0070,0x0008); LCD_WriteReg(0x0026,0x003C); LCD_WriteReg(0x0057,0x0002); LCD_WriteReg(0x0055,0x0000); LCD_WriteReg(0x0057,0x0000); } } delay_ms(50); /* delay 50 ms */ } /******************************************************************************* * Function Name : LCD_Clear * Description : * Input : - Color: Screen Color * Output : None * Return : None * Attention : None *******************************************************************************/ void LCD_Clear(uint16_t Color) { uint32_t index=0; if( LCD_Code == HX8347D || LCD_Code == HX8347A ) { LCD_WriteReg(0x02,0x00); LCD_WriteReg(0x03,0x00); LCD_WriteReg(0x04,0x00); LCD_WriteReg(0x05,0xEF); LCD_WriteReg(0x06,0x00); LCD_WriteReg(0x07,0x00); LCD_WriteReg(0x08,0x01); LCD_WriteReg(0x09,0x3F); } else { LCD_SetCursor(0,0); } LCD_WriteIndex(0x0022); for( index = 0; index < MAX_X * MAX_Y; index++ ) { LCD_WriteData(Color); } } static void LCD_SetCursor( uint16_t Xpos, uint16_t Ypos ) { #if ( DISP_ORIENTATION == 90 ) || ( DISP_ORIENTATION == 270 ) uint16_t temp = Xpos; Xpos = Ypos; Ypos = ( MAX_X - 1 ) - temp; #elif ( DISP_ORIENTATION == 0 ) || ( DISP_ORIENTATION == 180 ) #endif switch( LCD_Code ) { default: /* 0x9320 0x9325 0x9328 0x9331 0x5408 0x1505 0x0505 0x7783 0x4531 0x4535 */ LCD_WriteReg(0x0020, Xpos ); LCD_WriteReg(0x0021, Ypos ); break; case SSD1298: /* 0x8999 */ case SSD1289: /* 0x8989 */ LCD_WriteReg(0x004e, Xpos ); LCD_WriteReg(0x004f, Ypos ); break; case HX8347A: /* 0x0047 */ case HX8347D: /* 0x0047 */ LCD_WriteReg(0x02, Xpos>>8 ); LCD_WriteReg(0x03, Xpos ); LCD_WriteReg(0x06, Ypos>>8 ); LCD_WriteReg(0x07, Ypos ); break; case SSD2119: /* 3.5 LCD 0x9919 */ break; } } /****************************************************************************** * Function Name : LCD_BGR2RGB * Description : RRRRRGGGGGGBBBBB convert to BBBBBGGGGGGRRRRR * Input : RGB color * Output : None * Return : RGB color * Attention : *******************************************************************************/ static uint16_t LCD_BGR2RGB(uint16_t color) { uint16_t r, g, b, rgb; b = ( color>>0 ) & 0x1f; g = ( color>>5 ) & 0x3f; r = ( color>>11 ) & 0x1f; rgb = (b<<11) + (g<<5) + (r<<0); return( rgb ); } /****************************************************************************** * Function Name : LCD_GetPoint * Description : Get color of the point * Input : - Xpos: Row Coordinate * - Ypos: Line Coordinate * Output : None * Return : Screen Color * Attention : None *******************************************************************************/ uint16_t LCD_GetPoint(uint16_t Xpos,uint16_t Ypos) { uint16_t dummy; LCD_SetCursor(Xpos,Ypos); LCD_WriteIndex(0x0022); switch( LCD_Code ) { case ST7781: case LGDP4531: case LGDP4535: case SSD1289: case SSD1298: dummy = LCD_ReadData(); dummy = LCD_ReadData(); return dummy; case HX8347A: case HX8347D: { uint8_t red,green,blue; red = LCD_ReadData()>>3; green = LCD_ReadData()>>3; blue = LCD_ReadData()>>2; dummy = ( green << 11 ) | (blue << 5 ) | red; } return dummy; default: /* 0x9320 0x9325 0x9328 0x9331 0x5408 0x1505 0x0505 0x9919 */ dummy = LCD_ReadData(); dummy = LCD_ReadData(); return LCD_BGR2RGB( dummy ); } } /****************************************************************************** * Function Name : LCD_SetPoint * Description : * Input : - Xpos: Row Coordinate * - Ypos: Line Coordinate * Output : None * Return : None * Attention : None *******************************************************************************/ void LCD_SetPoint(uint16_t Xpos,uint16_t Ypos,uint16_t point) { if( Xpos >= MAX_X || Ypos >= MAX_Y ) { return; } LCD_SetCursor(Xpos,Ypos); LCD_WriteReg(0x0022,point); } /****************************************************************************** * Function Name : LCD_DrawLine * Description : Bresenham's line algorithm * Input : - x0: * - y0: * - x1: * - y1: * - color: * Output : None * Return : None * Attention : None *******************************************************************************/ void LCD_DrawLine( uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1 , uint16_t color ) { short dx,dy; short temp; if( x0 > x1 ) { temp = x1; x1 = x0; x0 = temp; } if( y0 > y1 ) { temp = y1; y1 = y0; y0 = temp; } dx = x1-x0; dy = y1-y0; if( dx == 0 ) { do { LCD_SetPoint(x0, y0, color); y0++; }while( y1 >= y0 ); return; } if( dy == 0 ) { do { LCD_SetPoint(x0, y0, color); x0++; } while( x1 >= x0 ); return; } /* Bresenham's line algorithm */ if( dx > dy ) { temp = 2 * dy - dx; while( x0 != x1 ) { LCD_SetPoint(x0,y0,color); x0++; if( temp > 0 ) { y0++; temp += 2 * dy - 2 * dx; } else { temp += 2 * dy; } } LCD_SetPoint(x0,y0,color); } else { temp = 2 * dx - dy; while( y0 != y1 ) { LCD_SetPoint(x0,y0,color); y0++; if( temp > 0 ) { x0++; temp+=2*dy-2*dx; } else { temp += 2 * dy; } } LCD_SetPoint(x0,y0,color); } } /****************************************************************************** * Function Name : PutChar * Description : * Input : - Xpos: * - Ypos: * - ASCI: * - charColor: * - bkColor: * Output : None * Return : None * Attention : None *******************************************************************************/ void PutChar( uint16_t Xpos, uint16_t Ypos, uint8_t ASCI, uint16_t charColor, uint16_t bkColor ) { uint16_t i, j; uint8_t buffer[16], tmp_char; GetASCIICode(buffer,ASCI); for( i=0; i<16; i++ ) { tmp_char = buffer[i]; for( j=0; j<8; j++ ) { if( (tmp_char >> 7 - j) & 0x01 == 0x01 ) { LCD_SetPoint( Xpos + j, Ypos + i, charColor ); } else { LCD_SetPoint( Xpos + j, Ypos + i, bkColor ); } } } } /****************************************************************************** * Function Name : GUI_Text * Description : * Input : - Xpos: * - Ypos: * - str: * - charColor: * - bkColor: * Output : None * Return : None * Attention : None *******************************************************************************/ void GUI_Text(uint16_t Xpos, uint16_t Ypos, uint8_t *str,uint16_t Color, uint16_t bkColor) { uint8_t TempChar; do { TempChar = *str++; PutChar( Xpos, Ypos, TempChar, Color, bkColor ); if( Xpos < MAX_X - 8 ) { Xpos += 8; } else if ( Ypos < MAX_Y - 16 ) { Xpos = 0; Ypos += 16; } else { Xpos = 0; Ypos = 0; } } while ( *str != 0 ); } /******************************************************************************* * Function Name : LCD_WriteReg * Description : * Input : - index: * Output : None * Return : None * Attention : None *******************************************************************************/ __inline void LCD_WriteIndex(uint16_t index) { LCD_REG = index; } /******************************************************************************* * Function Name : LCD_WriteReg * Description : * Input : - index: * Output : None * Return : None * Attention : None *******************************************************************************/ __inline void LCD_WriteData(uint16_t data) { LCD_RAM = data; } /******************************************************************************* * Function Name : LCD_ReadData * Description : * Input : None * Output : None * Return : * Attention : None *******************************************************************************/ __inline uint16_t LCD_ReadData(void) { return LCD_RAM; } /******************************************************************************* * Function Name : LCD_WriteReg * Description : Writes to the selected LCD register. * Input : - LCD_Reg: address of the selected register. * - LCD_RegValue: value to write to the selected register. * Output : None * Return : None * Attention : None *******************************************************************************/ __inline void LCD_WriteReg(uint16_t LCD_Reg,uint16_t LCD_RegValue) { /* Write 16-bit Index, then Write Reg */ LCD_WriteIndex(LCD_Reg); /* Write 16-bit Reg */ LCD_WriteData(LCD_RegValue); } /******************************************************************************* * Function Name : LCD_WriteReg * Description : Reads the selected LCD Register. * Input : None * Output : None * Return : LCD Register Value. * Attention : None *******************************************************************************/ __inline uint16_t LCD_ReadReg(uint16_t LCD_Reg) { /* Write 16-bit Index (then Read Reg) */ LCD_WriteIndex(LCD_Reg); /* Read 16-bit Reg */ return LCD_ReadData(); } /********************************************************************************************************* END FILE *********************************************************************************************************/