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proteus 8.4 中有 avr（andrino）驱动液晶屏ili9341例子 我按照该例子连接51单片，使用瑞生网 3线spi的程序，无法点亮ili9341 1 连线是否有问题？特别是3.6接wd 和程序里说的不一致 2 程序是否有问题？例程上是stc12c5a60s2 
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51 例程 3线spi
#include "stc12c5a60s2.h" #include #define RED 0XF800 //ºìÉ« #define GREEN 0X07E0 //ÂÌÉ« #define BLUE 0X001F //À¶É« #define WHITE 0XFFFF //°×É« #define DATA_H P2 #define DATA_L P0 ***it LCD_CS = P3^2; ***it LCD_RESET = P3^6; ***it LCD_MOSI = P1^5; ***it LCD_MISO = P1^6; ***it LCD_SCK = P1^7;//¾ÍÊÇTFTÉϵÄLCD_RSÒý½Å void Delay1ms() //@12.000MHz { unsigned char i, j; i = 12; j = 169; do { while (--j); } while (--i); } void delay_ms(unsigned int ms) { while(ms--) { Delay1ms(); } } unsigned char SPI_RW(unsigned char byte) { unsigned char bit_ctr; for(bit_ctr=0;bit_ctr<8;bit_ctr++) // Êä³ö8λ { LCD_SCK=0; LCD_MOSI=(byte&0x80); // MSB TO MOSI byte=(byte<<1); // shift next bit to MSB LCD_SCK=1; byte|=LCD_MISO; // capture current MISO bit } return byte; } void LCD_WR_DATA(unsigned char val) { LCD_CS=0; LCD_SCK=0; LCD_MOSI=1; LCD_SCK=1; SPI_RW(val); LCD_CS=1; } void LCD_WR_REG(unsigned char reg) { LCD_CS=0; LCD_SCK=0; LCD_MOSI=0; LCD_SCK=1; SPI_RW(reg); LCD_CS=1; } void LCD_Init() { P0=0; P2=0; LCD_RESET=0; delay_ms(10); LCD_RESET=1; delay_ms(120); LCD_WR_REG(0xCF); LCD_WR_DATA(0x00); LCD_WR_DATA(0xC1); LCD_WR_DATA(0X30); LCD_WR_REG(0xED); LCD_WR_DATA(0x64); LCD_WR_DATA(0x03); LCD_WR_DATA(0X12); LCD_WR_DATA(0X81); LCD_WR_REG(0xE8); LCD_WR_DATA(0x85); LCD_WR_DATA(0x10); LCD_WR_DATA(0x7A); LCD_WR_REG(0xCB); LCD_WR_DATA(0x39); LCD_WR_DATA(0x2C); LCD_WR_DATA(0x00); LCD_WR_DATA(0x34); LCD_WR_DATA(0x02); LCD_WR_REG(0xF7); LCD_WR_DATA(0x20); LCD_WR_REG(0xEA); LCD_WR_DATA(0x00); LCD_WR_DATA(0x00); LCD_WR_REG(0xC0); //Power control LCD_WR_DATA(0x1B); //VRH[5:0] LCD_WR_REG(0xC1); //Power control LCD_WR_DATA(0x01); //SAP[2:0];BT[3:0] LCD_WR_REG(0xC5); //VCM control LCD_WR_DATA(0x30); //3F LCD_WR_DATA(0x30); //3C LCD_WR_REG(0xC7); //VCM control2 LCD_WR_DATA(0XB7); LCD_WR_REG(0x36); // Memory Access Control LCD_WR_DATA(0x48); LCD_WR_REG(0x3A); LCD_WR_DATA(0x55); LCD_WR_REG(0xB1); LCD_WR_DATA(0x00); LCD_WR_DATA(0x1A); LCD_WR_REG(0xB6); // Display Function Control LCD_WR_DATA(0x0A); LCD_WR_DATA(0xA2); LCD_WR_REG(0xF2); // 3Gamma Function Disable LCD_WR_DATA(0x00); LCD_WR_REG(0x26); //Gamma curve selected LCD_WR_DATA(0x01); LCD_WR_REG(0xE0); //Set Gamma LCD_WR_DATA(0x0F); LCD_WR_DATA(0x2A); LCD_WR_DATA(0x28); LCD_WR_DATA(0x08); LCD_WR_DATA(0x0E); LCD_WR_DATA(0x08); LCD_WR_DATA(0x54); LCD_WR_DATA(0XA9); LCD_WR_DATA(0x43); LCD_WR_DATA(0x0A); LCD_WR_DATA(0x0F); LCD_WR_DATA(0x00); LCD_WR_DATA(0x00); LCD_WR_DATA(0x00); LCD_WR_DATA(0x00); LCD_WR_REG(0XE1); //Set Gamma LCD_WR_DATA(0x00); LCD_WR_DATA(0x15); LCD_WR_DATA(0x17); LCD_WR_DATA(0x07); LCD_WR_DATA(0x11); LCD_WR_DATA(0x06); LCD_WR_DATA(0x2B); LCD_WR_DATA(0x56); LCD_WR_DATA(0x3C); LCD_WR_DATA(0x05); LCD_WR_DATA(0x10); LCD_WR_DATA(0x0F); LCD_WR_DATA(0x3F); LCD_WR_DATA(0x3F); LCD_WR_DATA(0x0F); LCD_WR_REG(0x2B); LCD_WR_DATA(0x00); LCD_WR_DATA(0x00); LCD_WR_DATA(0x01); LCD_WR_DATA(0x3f); LCD_WR_REG(0x2A); LCD_WR_DATA(0x00); LCD_WR_DATA(0x00); LCD_WR_DATA(0x00); LCD_WR_DATA(0xef); LCD_WR_REG(0x11); //Exit Sleep delay_ms(120); LCD_WR_REG(0x29); //display on } void LCD_SetArea(unsigned int stx,unsigned int sty,unsigned int endx,unsigned int endy) { LCD_WR_REG(0x2A); LCD_WR_DATA(stx>>8); LCD_WR_DATA(stx&0xff); LCD_WR_DATA(endx>>8); LCD_WR_DATA(endx&0xff); LCD_WR_REG(0x2B); LCD_WR_DATA(sty>>8); LCD_WR_DATA(sty&0xff); LCD_WR_DATA(endy>>8); LCD_WR_DATA(endy&0xff); } void LCD_Clear(unsigned int color) { unsigned int i,j; LCD_SetArea(0,0,239,319); LCD_WR_REG(0x2C); for(i=0;i<320;i++) { for(j=0;j<240;j++) { LCD_WR_DATA(color>>8); LCD_WR_DATA(color); } } } void main() { delay_ms(100); LCD_Init(); while(1) { LCD_Clear(RED); delay_ms(300); LCD_Clear(WHITE); delay_ms(300); LCD_Clear(BLUE); delay_ms(300); LCD_Clear(GREEN); delay_ms(300); } } |
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1 条评论
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avr 例程
/* Adafruit 2.8" TFT LCD Sample * * Created: Tue Nov 4 2014 * Processor: ATmega328P * Compiler: Arduino AVR */ #include #include #include void setup() { Serial.begin(9600); SPSR |= (1 << SPI2X); // 2x SPI speed TFT_BL_ON; // turn on the background light Tft.TFTinit(); //init TFT library Tft.drawLine(0,0,239,319,RED); //start: (0, 0) end: (239, 319), color : RED Tft.drawVerticalLine(60,100,100,GREEN); // Draw a vertical line // start: (60, 100) length: 100 color: green Tft.drawHorizontalLine(30,60,150,BLUE); //Draw a horizontal line //start: (30, 60), high: 150, color: blue Tft.drawCircle(100, 100, 30,YELLOW); //center: (100, 100), r = 30 ,color : YELLOW Tft.drawCircle(100, 200, 40,CYAN); // center: (100, 200), r = 10 ,color : CYAN Tft.fillCircle(200, 100, 30,RED); //center: (200, 100), r = 30 ,color : RED Tft.fillCircle(200, 200, 30,BLUE); //center: (200, 200), r = 30 ,color : BLUE Tft.drawString("Hello",0,180,3,CYAN); // draw string: "hello", (0, 180), size: 3, color: CYAN Tft.drawString("World!!",60,220,4,WHITE); // draw string: "world!!", (80, 230), size: 4, color: WHITE // Vertical Scrolling Definition Tft.sendCMD(0x33); Tft.sendData(100); Tft.sendData(200); Tft.sendData(20); } unsigned int t = 0; unsigned int pos = 0; void loop() { t++; if (t == 1000) { t = 0; pos++; // Vertical Scrolling Start Address Tft.sendCMD(0x37); Tft.sendData(100 + (pos % 200)); } } /* 2012 Copyright (c) Seeed Technology Inc. Authors: Albert.Miao & Loovee, Visweswara R (with initializtion code from TFT vendor) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc.,51 Franklin St,Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #define FONT_SPACE 6 #define FONT_X 8 #define FONT_Y 8 void TFT::sendCMD(INT8U index) { TFT_DC_LOW; TFT_CS_LOW; SPI.transfer(index); TFT_CS_HIGH; } void TFT::WRITE_DATA(INT8U data) { TFT_DC_HIGH; TFT_CS_LOW; SPI.transfer(data); TFT_CS_HIGH; } void TFT::sendData(INT16U data) { INT8U data1 = data>>8; INT8U data2 = data&0xff; TFT_DC_HIGH; TFT_CS_LOW; SPI.transfer(data1); SPI.transfer(data2); TFT_CS_HIGH; } void TFT::WRITE_Package(INT16U *data, INT8U howmany) { INT16U data1 = 0; INT8U data2 = 0; TFT_DC_HIGH; TFT_CS_LOW; INT8U count=0; for(count=0;count data1 = data[count]>>8; data2 = data[count]&0xff; SPI.transfer(data1); SPI.transfer(data2); } TFT_CS_HIGH; } INT8U TFT::Read_Register(INT8U Addr, INT8U xParameter) { INT8U data=0; sendCMD(0xd9); /* ext command */ WRITE_DATA(0x10+xParameter); /* 0x11 is the first Parameter */ TFT_DC_LOW; TFT_CS_LOW; SPI.transfer(Addr); TFT_DC_HIGH; data = SPI.transfer(0); TFT_CS_HIGH; return data; } void TFT::TFTinit (void) { SPI.begin(); TFT_CS_HIGH; TFT_DC_HIGH; INT8U i=0; for(i=0;i<3;i++) { readID(); } delay(500); sendCMD(0x01); delay(200); sendCMD(0xCF); WRITE_DATA(0x00); WRITE_DATA(0x8B); WRITE_DATA(0X30); sendCMD(0xED); WRITE_DATA(0x67); WRITE_DATA(0x03); WRITE_DATA(0X12); WRITE_DATA(0X81); sendCMD(0xE8); WRITE_DATA(0x85); WRITE_DATA(0x10); WRITE_DATA(0x7A); sendCMD(0xCB); WRITE_DATA(0x39); WRITE_DATA(0x2C); WRITE_DATA(0x00); WRITE_DATA(0x34); WRITE_DATA(0x02); sendCMD(0xF7); WRITE_DATA(0x20); sendCMD(0xEA); WRITE_DATA(0x00); WRITE_DATA(0x00); sendCMD(0xC0); /* Power control */ WRITE_DATA(0x1B); /* VRH[5:0] */ sendCMD(0xC1); /* Power control */ WRITE_DATA(0x10); /* SAP[2:0];BT[3:0] */ sendCMD(0xC5); /* VCM control */ WRITE_DATA(0x3F); WRITE_DATA(0x3C); sendCMD(0xC7); /* VCM control2 */ WRITE_DATA(0XB7); sendCMD(0x36); /* Memory Access Control */ WRITE_DATA(0x08); sendCMD(0x3A); WRITE_DATA(0x55); sendCMD(0xB1); WRITE_DATA(0x00); WRITE_DATA(0x1B); sendCMD(0xB6); /* Display Function Control */ WRITE_DATA(0x0A); WRITE_DATA(0xA2); sendCMD(0xF2); /* 3Gamma Function Disable */ WRITE_DATA(0x00); sendCMD(0x26); /* Gamma curve selected */ WRITE_DATA(0x01); sendCMD(0xE0); /* Set Gamma */ WRITE_DATA(0x0F); WRITE_DATA(0x2A); WRITE_DATA(0x28); WRITE_DATA(0x08); WRITE_DATA(0x0E); WRITE_DATA(0x08); WRITE_DATA(0x54); WRITE_DATA(0XA9); WRITE_DATA(0x43); WRITE_DATA(0x0A); WRITE_DATA(0x0F); WRITE_DATA(0x00); WRITE_DATA(0x00); WRITE_DATA(0x00); WRITE_DATA(0x00); sendCMD(0XE1); /* Set Gamma */ WRITE_DATA(0x00); WRITE_DATA(0x15); WRITE_DATA(0x17); WRITE_DATA(0x07); WRITE_DATA(0x11); WRITE_DATA(0x06); WRITE_DATA(0x2B); WRITE_DATA(0x56); WRITE_DATA(0x3C); WRITE_DATA(0x05); WRITE_DATA(0x10); WRITE_DATA(0x0F); WRITE_DATA(0x3F); WRITE_DATA(0x3F); WRITE_DATA(0x0F); sendCMD(0x11); /* Exit Sleep */ delay(120); sendCMD(0x29); /* Display on */ fillScreen(); } INT8U TFT::readID(void) { INT8U i=0; INT8U data[3] ; INT8U ID[3] = {0x00, 0x93, 0x41}; INT8U ToF=1; for(i=0;i<3;i++) { data[i]=Read_Register(0xd3,i+1); if(data[i] != ID[i]) { ToF=0; } } if(!ToF) /* data!=ID */ { Serial.print("Read TFT ID failed, ID should be 0x09341, but read ID = 0x"); for(i=0;i<3;i++) { Serial.print(data[i],HEX); } Serial.println(); } return ToF; } void TFT::setCol(INT16U StartCol,INT16U EndCol) { sendCMD(0x2A); /* Column Command address */ sendData(StartCol); sendData(EndCol); } void TFT::setPage(INT16U StartPage,INT16U EndPage) { sendCMD(0x2B); /* Column Command address */ sendData(StartPage); sendData(EndPage); } void TFT::fillScreen(INT16U XL, INT16U XR, INT16U YU, INT16U YD, INT16U color) { unsigned long XY=0; unsigned long i=0; if(XL > XR) { XL = XL^XR; XR = XL^XR; XL = XL^XR; } if(YU > YD) { YU = YU^YD; YD = YU^YD; YU = YU^YD; } XL = constrain(XL, MIN_X,MAX_X); XR = constrain(XR, MIN_X,MAX_X); YU = constrain(YU, MIN_Y,MAX_Y); YD = constrain(YD, MIN_Y,MAX_Y); XY = (XR-XL+1); XY = XY*(YD-YU+1); Tft.setCol(XL,XR); Tft.setPage(YU, YD); Tft.sendCMD(0x2c); /* start to write to display ra */ /* m */ TFT_DC_HIGH; TFT_CS_LOW; INT8U Hcolor = color>>8; INT8U Lcolor = color&0xff; for(i=0; i < XY; i++) { SPI.transfer(Hcolor); SPI.transfer(Lcolor); } TFT_CS_HIGH; } void TFT::fillScreen(void) { Tft.setCol(0, 239); Tft.setPage(0, 319); Tft.sendCMD(0x2c); /* start to write to display ra */ /* m */ TFT_DC_HIGH; TFT_CS_LOW; for(INT16U i=0; i<38400; i++) { SPI.transfer(0); SPI.transfer(0); SPI.transfer(0); SPI.transfer(0); } TFT_CS_HIGH; } void TFT::setXY(INT16U poX, INT16U poY) { setCol(poX, poX); setPage(poY, poY); sendCMD(0x2c); } void TFT::setPixel(INT16U poX, INT16U poY,INT16U color) { setXY(poX, poY); sendData(color); } void TFT::drawChar( INT8U ascii, INT16U poX, INT16U poY,INT16U size, INT16U fgcolor) { if((ascii>=32)&&(ascii<=127)) { ; } else { ascii = '?'-32; } for (int i =0; i for(INT8U f=0;f<8;f++) { if((temp>>f)&0x01) { fillRectangle(poX+i*size, poY+f*size, size, size, fgcolor); } } } } void TFT::drawString(const char *string,INT16U poX, INT16U poY, INT16U size,INT16U fgcolor) { while(*string) { drawChar(*string, poX, poY, size, fgcolor); string++; if(poX < MAX_X) { poX += FONT_SPACE*size; /* Move cursor right */ } } } //fillRectangle(poX+i*size, poY+f*size, size, size, fgcolor); void TFT::fillRectangle(INT16U poX, INT16U poY, INT16U length, INT16U width, INT16U color) { fillScreen(poX, poX+length, poY, poY+width, color); } void TFT::drawHorizontalLine( INT16U poX, INT16U poY, INT16U length,INT16U color) { setCol(poX,poX + length); setPage(poY,poY); sendCMD(0x2c); for(INT16U i=0; i } void TFT::drawLine( INT16U x0,INT16U y0,INT16U x1, INT16U y1,INT16U color) { int x = x1-x0; int y = y1-y0; int dx = abs(x), sx = x0 for (;;){ /* loop */ setPixel(x0,y0,color); e2 = 2*err; if (e2 >= dy) { /* e_xy+e_x > 0 */ if (x0 == x1) break; err += dy; x0 += sx; } if (e2 <= dx) { /* e_xy+e_y < 0 */ if (y0 == y1) break; err += dx; y0 += sy; } } } void TFT::drawVerticalLine( INT16U poX, INT16U poY, INT16U length,INT16U color) { setCol(poX,poX); setPage(poY,poY+length); sendCMD(0x2c); for(INT16U i=0; i } void TFT::drawRectangle(INT16U poX, INT16U poY, INT16U length, INT16U width,INT16U color) { drawHorizontalLine(poX, poY, length, color); drawHorizontalLine(poX, poY+width, length, color); drawVerticalLine(poX, poY, width,color); drawVerticalLine(poX + length, poY, width,color); } void TFT::drawCircle(int poX, int poY, int r,INT16U color) { int x = -r, y = 0, err = 2-2*r, e2; do { setPixel(poX-x, poY+y,color); setPixel(poX+x, poY+y,color); setPixel(poX+x, poY-y,color); setPixel(poX-x, poY-y,color); e2 = err; if (e2 <= y) { err += ++y*2+1; if (-x == y && e2 <= x) e2 = 0; } if (e2 > x) err += ++x*2+1; } while (x <= 0); } void TFT::fillCircle(int poX, int poY, int r,INT16U color) { int x = -r, y = 0, err = 2-2*r, e2; do { drawVerticalLine(poX-x, poY-y, 2*y, color); drawVerticalLine(poX+x, poY-y, 2*y, color); e2 = err; if (e2 <= y) { err += ++y*2+1; if (-x == y && e2 <= x) e2 = 0; } if (e2 > x) err += ++x*2+1; } while (x <= 0); } void TFT::drawTraingle( int poX1, int poY1, int poX2, int poY2, int poX3, int poY3, INT16U color) { drawLine(poX1, poY1, poX2, poY2,color); drawLine(poX1, poY1, poX3, poY3,color); drawLine(poX2, poY2, poX3, poY3,color); } INT8U TFT::drawNumber(long long_num,INT16U poX, INT16U poY,INT16U size,INT16U fgcolor) { INT8U char_buffer[10] = ""; INT8U i = 0; INT8U f = 0; if (long_num < 0) { f=1; drawChar('-',poX, poY, size, fgcolor); long_num = -long_num; if(poX < MAX_X) { poX += FONT_SPACE*size; /* Move cursor right */ } } else if (long_num == 0) { f=1; drawChar('0',poX, poY, size, fgcolor); return f; if(poX < MAX_X) { poX += FONT_SPACE*size; /* Move cursor right */ } } while (long_num > 0) { char_buffer[i++] = long_num % 10; long_num /= 10; } f = f+i; for(; i > 0; i--) { drawChar('0'+ char_buffer[i - 1],poX, poY, size, fgcolor); if(poX < MAX_X) { poX+=FONT_SPACE*size; /* Move cursor right */ } } return f; } INT8U TFT::drawFloat(float floatNumber,INT8U decimal,INT16U poX, INT16U poY,INT16U size,INT16U fgcolor) { INT16U temp=0; float decy=0.0; float rounding = 0.5; INT8U f=0; if(floatNumber<0.0) { drawChar('-',poX, poY, size, fgcolor); floatNumber = -floatNumber; if(poX < MAX_X) { poX+=FONT_SPACE*size; /* Move cursor right */ } f =1; } for (INT8U i=0; i rounding /= 10.0; } floatNumber += rounding; temp = (INT16U)floatNumber; INT8U howlong=drawNumber(temp,poX, poY, size, fgcolor); f += howlong; if((poX+8*size*howlong) < MAX_X) { poX+=FONT_SPACE*size*howlong; /* Move cursor right */ } if(decimal>0) { drawChar('.',poX, poY, size, fgcolor); if(poX < MAX_X) { poX+=FONT_SPACE*size; /* Move cursor right */ } f +=1; } decy = floatNumber-temp; /* decimal part, 4 */ for(INT8U i=0;i decy *=10; /* for the next decimal */ temp = decy; /* get the decimal */ drawNumber(temp,poX, poY, size, fgcolor); floatNumber = -floatNumber; if(poX < MAX_X) { poX+=FONT_SPACE*size; /* Move cursor right */ } decy -= temp; } f +=decimal; return f; } INT8U TFT::drawFloat(float floatNumber,INT16U poX, INT16U poY,INT16U size,INT16U fgcolor) { INT8U decimal=2; INT16U temp=0; float decy=0.0; float rounding = 0.5; INT8U f=0; if(floatNumber<0.0) /* floatNumber < 0 */ { drawChar('-',poX, poY, size, fgcolor); /* add a '-' */ floatNumber = -floatNumber; if(poX < MAX_X) { poX+=FONT_SPACE*size; /* Move cursor right */ } f =1; } for (INT8U i=0; i rounding /= 10.0; } floatNumber += rounding; temp = (INT16U)floatNumber; INT8U howlong=drawNumber(temp,poX, poY, size, fgcolor); f += howlong; if((poX+8*size*howlong) < MAX_X) { poX+=FONT_SPACE*size*howlong; /* Move cursor right */ } if(decimal>0) { drawChar('.',poX, poY, size, fgcolor); if(poX < MAX_X) { poX += FONT_SPACE*size; /* Move cursor right */ } f +=1; } decy = floatNumber-temp; /* decimal part, */ for(INT8U i=0;i decy *=10; /* for the next decimal */ temp = decy; /* get the decimal */ drawNumber(temp,poX, poY, size, fgcolor); floatNumber = -floatNumber; if(poX < MAX_X) { poX += FONT_SPACE*size; /* Move cursor right */ } decy -= temp; } f += decimal; return f; } TFT Tft=TFT(); /********************************************************************************************************* END FILE *********************************************************************************************************/ |
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呵呵，好吧！
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找到了，多谢啦
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是不是并行驱动 效果会更好些，刷屏会快些，并行驱动该怎么接线呢
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谢谢分享啊，接了我燃眉之急。
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不错啊！有进步，慢慢来。
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晕倒， 怎么不是8位的。最近8位调试也是出问题，花屏，不知咋回事
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基于51单片机的车辆倒车雷达报警系统，HC-SR04超声波测距，全套资料
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