#include "stm32f10x.h" #include "ili9325.h" /* LCD Registers */ #define R0 0x00 #define R1 0x01 #define R2 0x02 #define R3 0x03 #define R4 0x04 #define R5 0x05 #define R6 0x06 #define R7 0x07 #define R8 0x08 #define R9 0x09 #define R10 0x0A #define R12 0x0C #define R13 0x0D #define R14 0x0E #define R15 0x0F #define R16 0x10 #define R17 0x11 #define R18 0x12 #define R19 0x13 #define R20 0x14 #define R21 0x15 #define R22 0x16 #define R23 0x17 #define R24 0x18 #define R25 0x19 #define R26 0x1A #define R27 0x1B #define R28 0x1C #define R29 0x1D #define R30 0x1E #define R31 0x1F #define R32 0x20 #define R33 0x21 #define R34 0x22 #define R36 0x24 #define R37 0x25 #define R40 0x28 #define R41 0x29 #define R43 0x2B #define R45 0x2D #define R48 0x30 #define R49 0x31 #define R50 0x32 #define R51 0x33 #define R52 0x34 #define R53 0x35 #define R54 0x36 #define R55 0x37 #define R56 0x38 #define R57 0x39 #define R59 0x3B #define R60 0x3C #define R61 0x3D #define R62 0x3E #define R63 0x3F #define R64 0x40 #define R65 0x41 #define R66 0x42 #define R67 0x43 #define R68 0x44 #define R69 0x45 #define R70 0x46 #define R71 0x47 #define R72 0x48 #define R73 0x49 #define R74 0x4A #define R75 0x4B #define R76 0x4C #define R77 0x4D #define R78 0x4E #define R79 0x4F #define R80 0x50 #define R81 0x51 #define R82 0x52 #define R83 0x53 #define R96 0x60 #define R97 0x61 #define R106 0x6A #define R118 0x76 #define R128 0x80 #define R129 0x81 #define R130 0x82 #define R131 0x83 #define R132 0x84 #define R133 0x85 #define R134 0x86 #define R135 0x87 #define R136 0x88 #define R137 0x89 #define R139 0x8B #define R140 0x8C #define R141 0x8D #define R143 0x8F #define R144 0x90 #define R145 0x91 #define R146 0x92 #define R147 0x93 #define R148 0x94 #define R149 0x95 #define R150 0x96 #define R151 0x97 #define R152 0x98 #define R153 0x99 #define R154 0x9A #define R157 0x9D #define R192 0xC0 #define R193 0xC1 #define R229 0xE5 /* LCD color */ #define White 0xFFFF #define Black 0x0000 #define Grey 0xF7DE #define Blue 0x001F #define Blue2 0x051F #define Red 0xF800 #define Magenta 0xF81F #define Green 0x07E0 #define Cyan 0x7FFF #define Yellow 0xFFE0 static u16 DeviceCode; /******************************************************************************* * Function Name : LCD_FSMCConfig * Description : Configures the Parallel interface (FSMC) for LCD(Parallel mode) * Input : None * Output : None * Return : None *******************************************************************************/ static void LCD_FSMCConfig(void) { FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure; FSMC_NORSRAMTimingInitTypeDef p; /*-- FSMC Configuration ------------------------------------------------------*/ /*----------------------- SRAM Bank 4 ----------------------------------------*/ /* FSMC_Bank1_NORSRAM4 configuration */ p.FSMC_AddressSetupTime = 0; p.FSMC_AddressHoldTime = 0; p.FSMC_DataSetupTime = 2; p.FSMC_BusTurnAroundDuration = 0; p.FSMC_CLKDivision = 0; p.FSMC_DataLatency = 0; p.FSMC_AccessMode = FSMC_AccessMode_A; /* Color LCD configuration ------------------------------------ LCD configured as follow: - Data/Address MUX = Disable - Memory Type = SRAM - Data Width = 16bit - Write Operation = Enable - Extended Mode = Enable - Asynchronous Wait = Disable */ FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM2; 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_ExtendedMode = FSMC_ExtendedMode_Disable; FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable; FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &p; FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &p; FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM2, ENABLE); } /******************************************************************************* * Function Name : ili9325_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 *******************************************************************************/ void ili9325_WriteReg(u8 LCD_Reg,u16 LCD_RegValue) { /* Write 16-bit Index, then Write Reg */ ili9325_REG = LCD_Reg; /* Write 16-bit Reg */ ili9325_RAM = LCD_RegValue; } /******************************************************************************* * Function Name : LCD_ReadReg * Description : Reads the selected LCD Register. * Input : None * Output : None * Return : LCD Register Value. *******************************************************************************/ u16 LCD_ReadReg(u8 LCD_Reg) { /* Write 16-bit Index (then Read Reg) */ ili9325_REG = LCD_Reg; /* Read 16-bit Reg */ return (ili9325_RAM); } /******************************************************************************* * Function Name : ili9325_WriteRAM_Prepare * Description : Prepare to write to the LCD RAM. * Input : None * Output : None * Return : None *******************************************************************************/ void ili9325_WriteRAM_Prepare(void) { ili9325_REG = R34; } /******************************************************************************* * Function Name : ili9325_WriteRAM * Description : Writes to the LCD RAM. * Input : - RGB_Code: the pixel color in RGB mode (5-6-5). * Output : None * Return : None *******************************************************************************/ void ili9325_WriteRAM(u16 RGB_Code) { /* Write 16-bit GRAM Reg */ ili9325_RAM = RGB_Code; } /* 读取指定地址的GRAM */ unsigned short ili9325_ReadGRAM(unsigned short x,unsigned short y) { unsigned short temp; ili9325_SetCursor(x,y); ili9325_REG = R34; /* dummy read */ temp = ili9325_RAM; temp = ili9325_RAM; return temp; } void rt_kprintf(const char *fmt, ...); #define printf rt_kprintf void ili9325_Initializtion(void) { volatile unsigned int i; LCD_FSMCConfig(); DeviceCode = LCD_ReadReg(0x0000); /* DeviceCode check */ if( (DeviceCode != 0x9325) && (DeviceCode != 0x9328) && (DeviceCode != 0x7783) ) { printf("Invalid LCD ID:%08X\r\n",DeviceCode); printf("Please check you hardware.") while(1); } if (DeviceCode==0x9325||DeviceCode==0x9328) { ili9325_WriteReg(0x00e7,0x0010); ili9325_WriteReg(0x0000,0x0001); //start internal osc #if defined(_ILI_REVERSE_DIRECTION_) ili9325_WriteReg(0x0001,0x0000); //Reverse Display #else ili9325_WriteReg(0x0001,0x0100); // #endif ili9325_WriteReg(0x0002,0x0700); //power on sequence /* [5:4]-ID1~ID0 [3]-AM-1垂直-0水平 */ ili9325_WriteReg(0x0003,(1<<12)|(1<<5)|(0<<4) | (1<<3) ); ili9325_WriteReg(0x0004,0x0000); ili9325_WriteReg(0x0008,0x0207); ili9325_WriteReg(0x0009,0x0000); ili9325_WriteReg(0x000a,0x0000); //display setting ili9325_WriteReg(0x000c,0x0001); //display setting ili9325_WriteReg(0x000d,0x0000); //0f3c ili9325_WriteReg(0x000f,0x0000); //Power On sequence // ili9325_WriteReg(0x0010,0x0000); ili9325_WriteReg(0x0011,0x0007); ili9325_WriteReg(0x0012,0x0000); ili9325_WriteReg(0x0013,0x0000); for (i=50000; i>0; i--); for (i=50000; i>0; i--); ili9325_WriteReg(0x0010,0x1590); ili9325_WriteReg(0x0011,0x0227); for (i=50000; i>0; i--); for (i=50000; i>0; i--); ili9325_WriteReg(0x0012,0x009c); for (i=50000; i>0; i--); for (i=50000; i>0; i--); ili9325_WriteReg(0x0013,0x1900); ili9325_WriteReg(0x0029,0x0023); ili9325_WriteReg(0x002b,0x000e); for (i=50000; i>0; i--); for (i=50000; i>0; i--); ili9325_WriteReg(0x0020,0x0000); ili9325_WriteReg(0x0021,0x0000); for (i=50000; i>0; i--); for (i=50000; i>0; i--); ili9325_WriteReg(0x0030,0x0007); ili9325_WriteReg(0x0031,0x0707); ili9325_WriteReg(0x0032,0x0006); ili9325_WriteReg(0x0035,0x0704); ili9325_WriteReg(0x0036,0x1f04); ili9325_WriteReg(0x0037,0x0004); ili9325_WriteReg(0x0038,0x0000); ili9325_WriteReg(0x0039,0x0706); ili9325_WriteReg(0x003c,0x0701); ili9325_WriteReg(0x003d,0x000f); for (i=50000; i>0; i--); for (i=50000; i>0; i--); ili9325_WriteReg(0x0050,0x0000); ili9325_WriteReg(0x0051,0x00ef); ili9325_WriteReg(0x0052,0x0000); ili9325_WriteReg(0x0053,0x013f); #if defined(_ILI_REVERSE_DIRECTION_) ili9325_WriteReg(0x0060,0x2700); #else ili9325_WriteReg(0x0060,0xA700); #endif ili9325_WriteReg(0x0061,0x0001); ili9325_WriteReg(0x006a,0x0000); ili9325_WriteReg(0x0080,0x0000); ili9325_WriteReg(0x0081,0x0000); ili9325_WriteReg(0x0082,0x0000); ili9325_WriteReg(0x0083,0x0000); ili9325_WriteReg(0x0084,0x0000); ili9325_WriteReg(0x0085,0x0000); ili9325_WriteReg(0x0090,0x0010); ili9325_WriteReg(0x0092,0x0000); ili9325_WriteReg(0x0093,0x0003); ili9325_WriteReg(0x0095,0x0110); ili9325_WriteReg(0x0097,0x0000); ili9325_WriteReg(0x0098,0x0000); //display on sequence ili9325_WriteReg(0x0007,0x0133); ili9325_WriteReg(0x0020,0x0000); ili9325_WriteReg(0x0021,0x0000); } else if(DeviceCode==0x7783) { // Start Initial Sequence ili9325_WriteReg(0x00FF,0x0001); ili9325_WriteReg(0x00F3,0x0008); ili9325_WriteReg(0x0001,0x0100); ili9325_WriteReg(0x0002,0x0700); ili9325_WriteReg(0x0003,0x1030); //0x1030 ili9325_WriteReg(0x0008,0x0302); ili9325_WriteReg(0x0008,0x0207); ili9325_WriteReg(0x0009,0x0000); ili9325_WriteReg(0x000A,0x0000); ili9325_WriteReg(0x0010,0x0000); //0x0790 ili9325_WriteReg(0x0011,0x0005); ili9325_WriteReg(0x0012,0x0000); ili9325_WriteReg(0x0013,0x0000); for (i=50000; i>0; i--); for (i=50000; i>0; i--); ili9325_WriteReg(0x0010,0x12B0); for (i=50000; i>0; i--); for (i=50000; i>0; i--); ili9325_WriteReg(0x0011,0x0007); for (i=50000; i>0; i--); for (i=50000; i>0; i--); ili9325_WriteReg(0x0012,0x008B); for (i=50000; i>0; i--); for (i=50000; i>0; i--); ili9325_WriteReg(0x0013,0x1700); for (i=50000; i>0; i--); for (i=50000; i>0; i--); ili9325_WriteReg(0x0029,0x0022); //################# void Gamma_Set(void) ####################// ili9325_WriteReg(0x0030,0x0000); ili9325_WriteReg(0x0031,0x0707); ili9325_WriteReg(0x0032,0x0505); ili9325_WriteReg(0x0035,0x0107); ili9325_WriteReg(0x0036,0x0008); ili9325_WriteReg(0x0037,0x0000); ili9325_WriteReg(0x0038,0x0202); ili9325_WriteReg(0x0039,0x0106); ili9325_WriteReg(0x003C,0x0202); ili9325_WriteReg(0x003D,0x0408); for (i=50000; i>0; i--); for (i=50000; i>0; i--); ili9325_WriteReg(0x0050,0x0000); ili9325_WriteReg(0x0051,0x00EF); ili9325_WriteReg(0x0052,0x0000); ili9325_WriteReg(0x0053,0x013F); ili9325_WriteReg(0x0060,0xA700); ili9325_WriteReg(0x0061,0x0001); ili9325_WriteReg(0x0090,0x0033); ili9325_WriteReg(0x002B,0x000B); ili9325_WriteReg(0x0007,0x0133); for (i=50000; i>0; i--); for (i=50000; i>0; i--); } ili9325_Clear( Blue ); } /**************************************************************************** * 名 称：void ili9325_SetCursor(u16 x,u16 y) * 功 能：设置屏幕座标 * 入口参数：x 行座标 * y 列座标 * 出口参数：无 * 说 明： * 调用方法：ili9325_SetCursor(10,10); ****************************************************************************/ void ili9325_SetCursor(u16 x,u16 y) { ili9325_WriteReg(R32,x); /* 0-239 */ ili9325_WriteReg(R33,y); /* 0-319 */ } /**************************************************************************** * 名 称：void ili9325_SetWindows(u16 StartX,u16 StartY,u16 EndX,u16 EndY) * 功 能：设置窗口区域 * 入口参数：StartX 行起始座标 * StartY 列起始座标 * EndX 行结束座标 * EndY 列结束座标 * 出口参数：无 * 说 明： * 调用方法：ili9325_SetWindows(0,0,100,100)； ****************************************************************************/ void ili9325_SetWindows(u16 StartX,u16 StartY,u16 EndX,u16 EndY) { ili9325_SetCursor(StartX,StartY); ili9325_WriteReg(0x0050, StartX); ili9325_WriteReg(0x0052, StartY); ili9325_WriteReg(0x0051, EndX); ili9325_WriteReg(0x0053, EndY); } /**************************************************************************** * 名 称：void ili9325_Clear(u16 dat) * 功 能：将屏幕填充成指定的颜色，如清屏，则填充 0xffff * 入口参数：dat 填充值 * 出口参数：无 * 说 明： * 调用方法：ili9325_Clear(0xffff); ****************************************************************************/ void ili9325_Clear(u16 Color) { u32 index=0; ili9325_SetCursor(0,0); ili9325_WriteRAM_Prepare(); /* Prepare to write GRAM */ for (index=0; index<76800; index++) { ili9325_RAM=Color; } } /**************************************************************************** * 名 称：void ili9325_DrawPicture(u16 StartX,u16 StartY,u16 EndX,u16 EndY,u16 *pic) * 功 能：在指定座标范围显示一副图片 * 入口参数：StartX 行起始座标 * StartY 列起始座标 * EndX 行结束座标 * EndY 列结束座标 pic 图片头指针 * 出口参数：无 * 说 明：图片取模格式为水平扫描，16位颜色模式 * 调用方法：ili9325_DrawPicture(0,0,100,100,(u16*)demo); ****************************************************************************/ void ili9325_DrawPicture(u16 StartX,u16 StartY,u16 EndX,u16 EndY,u16 *pic) { u16 i; ili9325_SetWindows(StartX,StartY,EndX,EndY); ili9325_SetCursor(StartX,StartY); ili9325_WriteRAM_Prepare(); for (i=0; i<(EndX*EndY); i++) { ili9325_WriteRAM(*pic++); } } /**************************************************************************** * 名 称：u16 ili9325_BGR2RGB(u16 c) * 功 能：RRRRRGGGGGGBBBBB 改为 BBBBBGGGGGGRRRRR 格式 * 入口参数：c BRG 颜色值 * 出口参数：RGB 颜色值 * 说 明：内部函数调用 * 调用方法： ****************************************************************************/ unsigned short ili9325_BGR2RGB(unsigned short c) { u16 r, g, b, rgb; b = (c>>0) & 0x1f; g = (c>>5) & 0x3f; r = (c>>11) & 0x1f; rgb = (b<<11) + (g<<5) + (r<<0); return( rgb ); }