Check refresh speed by transfermode 4bit,3bit,1bit with MIP8F_SPI_Ver50
Dependencies: MIP8F_SPI_Ver50 MIP8f_FRDM_LineBuffer_sample mbed
Dependents: MIP8f_FRDM_Animation_sample
Introduction
this sample is checking the refresh display speed between 4bit,3bit and 1bit transfer mode.
- spi-transfer to Display has 3 mode. 4bit mode is color display, this bit arrange is R,G,B,x. R,G,B = R,G,B subpixel bit. x bit is Dummy. 3bit mode is color display, this bit arrange is R,G,B. R,G,B = R,G,B subpixel bit. No bit is Dummy. 1bit mode is monocrome display,high speed refresh mode. a only Green subpixel of bitmap data is transfered.
Other information , please refer to https://os.mbed.com/teams/JapanDisplayInc/code/MIP8f_FRDM_sample/
Usage
Copy Setting File and Image to micro SD-CARD. you can NOT use same sample color images of OTHER VERSION SAMPLE.
a) Download the following file corresponding to the target panel, and rename file identifier (.bin -> .zip), and unzip the file on micro SD Card's root directory.
LPM027M128x (400x240) :/media/uploads/JDI_Mbed_Team/400x240_ver30.bin
b) Insert micro SD-CARD to FRDM-K64F. c) Upload binary file to FRDM-K64F.and push Reset Button.
Other information
refer to Usage on https://os.mbed.com/teams/JapanDisplayInc/code/MIP8f_FRDM_sample/
this Sample Code (.bin)
/media/uploads/JDI_Mbed_Team/mip8f_frdm_transfermode_sample.k64f.bin
main.cpp
- Committer:
- JDI_Mbed_Team
- Date:
- 2018-11-12
- Revision:
- 14:9d58f49f326f
- Parent:
- 12:40156f03a763
- Child:
- 16:7c472f8a81a5
File content as of revision 14:9d58f49f326f:
/** * @file main.cpp * @brief Ver5.0 Sample source code for MIP8 diplay. * @details * Ver5.0 Addtional function is checking the refresh display speed between 4bit and 3bit transfer mode * Ver4.0 Addtional function is Line buffer version.the Sample bitmap display color and monochrome by line buffer. * Ver3.0 Addtional function is font display. this demo code is the nunber is counted up like a meter panel * ver2.0 Addtional function is Monochome display by 1bit mode of SPI transfer. * * spi-transfer to Display has 3 mode. * 4bit mode is color display, this bit arrange is R,G,B,x. R,G,B = R,G,B subpixel bit. x bit is Dummy. * 3bit mode is color display, this bit arrange is R,G,B. R,G,B = R,G,B subpixel bit. No bit is Dummy. * 1bit mode is monocrome display,high speed refresh mode. a only Green subpixel of bitmap data is transfered. * <License> * Copyright 2018 Japan Display Inc. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "stdio.h" #include "string" #include "mbed.h" #include "MIP8F_SPI.h" #include "SDFileSystem.h" #include "StateSW.h" #include "TglSW.h" #include "Arial12x12.h" #include "Arial24x23.h" #include "Arial28x28.h" #include "Arial37x36.h" #include "Arial42x42.h" #include "font_big.h" #include "Arial94x94.h" #define ON 1 #define OFF 0 //K64F SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); // mosi,miso,sck,cs memLCD8 WD(PTD2,PTD3,PTD1,PTD0,PTC4,PTD3); //PTC12); // mosi,miso,clk,cs,disp,power PwmOut BK(PTC3); PwmOut COM60HZ(PTC10); //add 20161108 DigitalOut COMSEL(PTA2,0); //add 20161108 DigitalOut BLCTRL(PTB10,0); //add 20171115 // SW2 StateSW swPWMorOFF(SW2); //PTC6); InterruptIn PWMorOFF(SW2); // SW3 TglSW HaltSW(SW3); //PTA4); DigitalIn TexSW(SW3); //for debug Serial pc(USBTX, USBRX); // tx, rx void SDtex2BUF(char *filepath); //function prototype void SD2BUF(char *filepath); void ifOFFseq(void); void ifswPWM(void); void OffSequence(void); void DispAllDir(const char *fsrc); void ReadBmp(const char *fsrc, uint32_t FileNum); uint32_t CntFile(const char *fsrc); //Grobal value int ifMargeTXT = 0; int width = 400; int height= 240; float BKduty = 0; float BKjudge = 0; //double BKduty = 0; float bk_timer = 1.0; int blduty = 0; int bloff = 0; int blctrl_sel = 0; //0:40mA, 1:160mA //Y.S // Readed bitmap format, Color bit size = 1,4,8,(16),24,32 uint16_t bmp_bitcount; int main() { //uint32_t filenum; char filepath[40]; char countup[3+1]; char KMPH[4+1]; char Trans[13+1]; sd.disk_initialize(); HaltSW.Enable(1); FILE *fp = fopen("/sd/settings2.txt", "rb"); //read binary if(fp != NULL) { fscanf(fp, "%d",&width); //width read fscanf(fp, "%d",&height); //height read fscanf(fp, "%d",&blctrl_sel);//blct_sel read //0:40mA, 1:160mA sprintf(filepath,"/sd/%dx%d",width,height); //DispAllDir("/sd/180x180") //file name write to filepath fclose(fp); } else { FILE *fp = fopen("/sd/settings.txt", "rb"); //read binary if(fp != NULL) { fscanf(fp, "%d",&width); //width read fscanf(fp, "%d",&height); //height read sprintf(filepath,"/sd/%dx%d",width,height); //DispAllDir("/sd/180x180") //file name write to filepath fclose(fp); } else{ width =180; height=180; sprintf(filepath,"/sd/180x180"); //DispAllDir("/sd/180x180") } } COMSEL.write(1); // BLCTRL.write(blctrl_sel); // WD.setWH(width,height); //input -> width, height WD.background(Black); //background = black WD.clsBUF(); //data initialize WD.writeDISP(); //picture write(black) WD.SwDisp(1); //disp on PWMorOFF.fall(&ifswPWM); // Backlight //sw2 fall edge PWMorOFF.rise(&ifOFFseq); // OFF Sequence //sw2 rise edge swPWMorOFF.Enable(8, 2, 1); //int ModeNum, int NoiseCancel, int OpenTime //???? swPWMorOFF.IfCntClose(ON); swPWMorOFF.IfCntState(ON); COM60HZ.period_ms(8); //add 20161108 COM60HZ.write(0.5); //add 20161108 BK.period_ms(1); //1ms cycle 20161012 BK.write(1); //low output 20160725 <- high output //DIR *d; //filenum = CntFile(filepath); //file number read ReadBmp(filepath,0); while(1) { //BITMAPS //for(uint32_t i=0; i<filenum; i++) { for( int j = 0; j < 3; j++) { while(HaltSW.State()); // VCOM invert when image is still HaltSW.Clear(); //display bitmap WD.foreground(0x0e); WD.background(0x00); WD.set_ActualFontWidth(); WD.set_font((unsigned char*) Arial28x28); //1bit trasfer mode = monochro diplay if( j%3 == 0 ) { sprintf(Trans,"4bit transfer"); WD.obliqueout(5,210,Trans); WD.writeDISP(TrBIT4); }else if( j%3 == 1 ){ sprintf(Trans,"3bit transfer"); WD.obliqueout(5,210,Trans); WD.writeDISP(TrBIT3); }else{ sprintf(Trans,"1bit transfer"); WD.obliqueout(5,210,Trans); WD.writeDISP(TrBIT1); } // print KM if( j%3 != 2 ) { // for color diaplay WD.foreground(0x04);//Greeen WD.background(0x00);//black }else{ // for monochrome diaplay WD.foreground(0x0e);//white WD.background(0x00);//black } sprintf(KMPH,"km/h"); WD.set_ActualFontWidth(); WD.set_font((unsigned char*) Arial28x28); WD.obliqueout(70+200+35,100+20+49,KMPH); //print number WD.set_font((unsigned char*) Arial94x94); WD.set_FixedFontWidth(50); for(int t=0;t<31;t++) { sprintf(countup,"%2d",t); WD.obliqueout(70+35+48,100+20,countup); //transfer to display number if( j%3 == 0 )//4bit and 3bit trasfer { // for color display WD.writeDISP(100+20,190+20,TrBIT4); }else if( j%3 == 1 )//3bit and 3bit trasfer { // for color diaplay WD.writeDISP(100+20,190+20,TrBIT3); }else//1bit and 3bit trasfer { // for monochrome diaplay WD.writeDISP(100+20,190+20,TrBIT1); } //change charactor coloe if(j%3 != 2 && t==10) { // 11 < t => 20 yellow char WD.foreground(0x0C); }else if( j%3 != 2 && t==20) { // 21 < t => 30 red char WD.foreground(0x08); } //wait(0.5); } } } } } /** * @brief read a bitmap file in SD. 8color mode */ void SD2BUF(char *filepath){ char R8[1],G8[1],B8[1] ,DUMMY[1],bc[2]; char RGB; FILE *fp ; pc.printf("file=%s\n",filepath); fp = fopen(filepath, "rb"); if(fp != NULL) { //for(int i=0; i< 54 ; i++) fscanf(fp,"%c",DUMMY); // Discard Header 54bytes for(int i=0; i< 28 ; i++) fscanf(fp,"%c",DUMMY); // Discard Header 26bytes fscanf(fp,"%c",&(bc[0]));// color bit size 2bytes fscanf(fp,"%c",&(bc[1]));// color bit size 2bytes for(int i=0; i< 24 ; i++) fscanf(fp,"%c",DUMMY); // Discard Header 26bytes bmp_bitcount = bc[0]+bc[1]*256; if( bmp_bitcount == 1 ) { for(int i=0; i< 8 ; i++) fscanf(fp,"%c",DUMMY); // Pallet Data int x; for(int y=height-1; y>=0; y--) { for(x=0; x< width; x += 8) { //1bit monochrome fscanf(fp, "%c",G8); for(int i=0; i < 8 ; i++ ){ RGB = 0; if( (*G8 & 0x80) != 0) RGB = RGB|0x0e; WD.pixel(x+i,y,RGB); *G8 = *G8 << 1; } } if( width%8 != 0 ) { fscanf(fp, "%c",G8); int i; for(i=0; i < (width%8) ; i++ ){ RGB = 0; if( (*G8 & 0x40) != 0) RGB = RGB|0x0e; WD.pixel(x+i,y,RGB); *G8 = *G8 << 1; } } if( y!=0){ // The last data column doesn't need padding int wbyte = width/8 + ( width%8 == 0 ? 0:1 ); for(int x=(wbyte*3)%4; (x%4 !=0); x++) fscanf(fp, "%c",DUMMY);// 4byte boundery for every column(only windows bitmap format) } } }else if( bmp_bitcount == 24 ) { for(int y=height-1; y>=0; y--) { for(int x=0; x< width; x++) { //24bit color B 8bit -> G 8bit -> R 8bit fscanf(fp, "%c",B8); fscanf(fp, "%c",G8); fscanf(fp, "%c",R8); RGB = RGB8(*R8,*G8,*B8); //6bit(8bit) MIP MASK 0000 1110 WD.pixel(x,y,RGB); } if( y!=0) // The last data column doesn't need padding for(int x=(width*3)%4; (x%4 !=0); x++) fscanf(fp, "%c",DUMMY); // 4byte boundery for every column(only windows bitmap format) } } } fclose(fp); } /** * @brief read a text file in SD. */ void SDtex2BUF(char *filepath){ int x,y,font,color; char text[40]; int ifEOF; FILE *fp ; fp = fopen(filepath, "r"); if(fp != NULL) { while(ifEOF != -1){ ifEOF = fscanf(fp,"%d,%d,%d,%d,%[^,],",&x,&y,&font,&color,text); WD.locate(x,y); WD.foreground(color); if (font ==1) WD.set_font((unsigned char*) Arial12x12); else if (font ==2) WD.set_font((unsigned char*) Arial24x23); else if (font ==3) WD.set_font((unsigned char*) Arial28x28); else WD.set_font((unsigned char*) Neu42x35); WD.printf("%s",text); } } fclose(fp); } /* void DispAllDir(const char *fsrc) { DIR *d = opendir(fsrc); struct dirent *p; char filepath[40]; while ((p = readdir(d)) != NULL) { sprintf(filepath, "%s/%s",fsrc,p->d_name); SD2BUF(filepath); WD.writeDISP(); } closedir(d); } */ /** * @brief read a bitmap file in SD by file number. */ void ReadBmp(const char *fsrc, uint32_t FileNum) { DIR *d = opendir(fsrc); struct dirent *p; char filepath[40]; for(uint32_t i=0; i< FileNum; i++) readdir(d); if ((p = readdir(d)) != NULL) { sprintf(filepath, "%s/%s",fsrc,p->d_name); SD2BUF(filepath); if(ifMargeTXT){ sprintf(filepath, "%s_txt/%s.txt",fsrc,p->d_name); SDtex2BUF(filepath); } } closedir(d); } uint32_t CntFile(const char *fsrc) { DIR *d = opendir(fsrc); uint32_t counter = 0; while (readdir(d)!= NULL) counter++; closedir(d); return counter; } void OffSequence(void){ BK.write(0); //add 20160712 17:00 WD.background(Black); WD.clsBUF(); WD.SwDisp(0); WD.writeDISP(); WD.writeDISP(); bloff = 1; } void ifswPWM(void){ if(bloff == 0){ if(blduty >= 10){ //0 blduty = 0; //10 COMSEL.write(1); // }else{ blduty += 1; //-= COMSEL.write(1); // } }else{ blduty = 0; COMSEL.write(1); // } // BKduty = BKduty - 0.125; // BKduty -= 0.125; // if(BKduty <= 0) BKduty = 1; // BK.write(BKduty); BK.write(blduty*0.1); // if(blduty == 0){ bk_timer = 1.0; }else{ bk_timer = 0.008; //0.016 20160712 } } void ifOFFseq(void){ if(swPWMorOFF.IfAtTime()){ swPWMorOFF.IfCntClose(OFF); swPWMorOFF.IfCntState(OFF); OffSequence(); } }