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#author("2025-05-05T20:08:35+09:00","","") #author("2025-05-05T20:08:59+09:00","","") [[Writing-Arduino-Firmware]] #code(c){{ /* Arduino Sketch for the "Wearable LED Matrix Sign", which shows a Tweet of Twitter. 29 April 2015, Takashi Yamanoue @ Fukuyama University. */ [#h191976e] */ #include <Max3421e.h> #include <Usb.h> #include <AndroidAccessory.h> // Adafruit_NeoMatrix example for single NeoPixel Shield. // Scrolls 'Howdy' across the matrix in a portrait (vertical) orientation. #include <Adafruit_GFX.h> #include <Adafruit_NeoMatrix.h> #include <Adafruit_NeoPixel.h> #ifndef PSTR #define PSTR // Make Arduino Due happy #endif //#include <stdio.h> #define VWMax 96 #define VHMax 16 #define RWMax 32 #define RHMax 16 #define PIN 6 // MATRIX DECLARATION: // Parameter 1 = width of NeoPixel matrix // Parameter 2 = height of matrix // Parameter 3 = pin number (most are valid) // Parameter 4 = matrix layout flags, add together as needed: // NEO_MATRIX_TOP, NEO_MATRIX_BOTTOM, NEO_MATRIX_LEFT, NEO_MATRIX_RIGHT: // Position of the FIRST LED in the matrix; pick two, e.g. // NEO_MATRIX_TOP + NEO_MATRIX_LEFT for the top-left corner. // NEO_MATRIX_ROWS, NEO_MATRIX_COLUMNS: LEDs are arranged in horizontal // rows or in vertical columns, respectively; pick one or the other. // NEO_MATRIX_PROGRESSIVE, NEO_MATRIX_ZIGZAG: all rows/columns proceed // in the same order, or alternate lines reverse direction; pick one. // See example below for these values in action. // Parameter 5 = pixel type flags, add together as needed: // NEO_KHZ800 800 KHz bitstream (most NeoPixel products w/WS2812 LEDs) // NEO_KHZ400 400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers) // NEO_GRB Pixels are wired for GRB bitstream (most NeoPixel products) // NEO_RGB Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2) // Example for NeoPixel Shield. In this application we'd like to use it // as a 5x8 tall matrix, with the USB port positioned at the top of the // Arduino. When held that way, the first pixel is at the top right, and // lines are arranged in columns, progressive order. The shield uses // 800 KHz (v2) pixels that expect GRB color data. /* */ Adafruit_NeoMatrix matrix = Adafruit_NeoMatrix(32, 16, PIN, NEO_MATRIX_TOP + NEO_MATRIX_LEFT + NEO_MATRIX_COLUMNS + NEO_MATRIX_ZIGZAG, NEO_GRB + NEO_KHZ800); const uint16_t colors[] = { matrix.Color(255, 0, 0), matrix.Color(0, 255, 0), matrix.Color(0, 0, 255) }; uint16_t backGround; uint16_t virtualGraphicsArea[VWMax][VHMax]; uint16_t realGraphicsArea[RWMax][RHMax]; /* Android +---------------------+ tweet ... +---------------------+ tweet max 132 char ^ | | | send font at p ask | to arduino and p++, new | if p>= tweet.length{ font | if no next tweet, p=0 from | else renew current tweet by the next and p=0 arduino | } | v at the Arduino if new font received, put the received font at lp, lp++; if(lp>=vfmax) lp=0; dp (displaying position) = x/8 initial ... x=0, lp=0, dp=0 if lp=dp-1 { ask no font } else{ ask new font } Android ADK | 'f', [font kind (0 or 1)], f[32] v +-------+ | 32byte| or 16 byte dp=x/8 char +-------+ | | putFontAt ( char position) | | | | lp ... last received font position v v +-----------------------------------+ vfmax =VWMax/16 | virtual matrix | | width: 6x16= 96 dot | | height: 16 dot | +-----------------------------------+ | | |x |x+31 +-------+ | copyVirtualPart2Real, x++, | | if x>= VWMax, x=0; v v **************** real matrix [#qb469fde] **************** ^ [#s2e11f3f] **************** | [#v54ea8d7] ... 16 dot **************** | [#qaff03fe] **************** v [#t21d6c43] **************** [#m2b2d0b0] **************** [#e08c1f57] <--32 dot-> */ [#e768e45f] void clearVirtualGraphicsArea(){ int i,j; // printf("start clearVirtualGraphicsArea\n"); for( i=0;i<VWMax;i++){ for( j=0;j<VHMax;j++){ virtualGraphicsArea[i][j]=backGround; } } // printf("end clearVirtualGraphicsArea\n"); } void clearRealGraphicsArea(){ int i,j; // printf("start clearRealGraphicsArea\n"); for( i=0;i<RWMax;i++){ for( j=0;j<RHMax;j++){ realGraphicsArea[i][j]=backGround; } } // printf("end clearRealGraphicsArea\n"); } /* */ /* */ void copyVirtualPart2Real(int x){ int i,j,k; // printf("start copyVirtualPart2Real\n"); for( i=0;i<RWMax;i++){ k=x+i; if(k>=VWMax){ k=(x+i)%VWMax; } for( j=0;j<RHMax;j++){ realGraphicsArea[i][j]=virtualGraphicsArea[k][j]; } } } void initialVirtualGraphicsArea(){ int i; clearVirtualGraphicsArea(); for(int c=0;c<10;c++){ for( i=0;i<RHMax;i++){ int w=i+c*16; if(w<VWMax){ virtualGraphicsArea[i+c*16][i]=matrix.Color((255-c*16),c*16,c*16); } } } } void putFontAt(byte f[], int p, uint16_t color){ // font width=8 // int oneFontSize=8; // int w=(oneFontSize+7)/8; // Serial.print("pos="); // Serial.print(x); // Serial.print("\n\r"); // if(lp>=vfmax) lp=0; if(p>=VWMax) return; backGround=matrix.Color(0,0,0); for(int i=0;i<VHMax;i++){ int l=f[i]; int mask=0x0080; for(int k=0;k<8;k++){ if((mask & l)!=0){ virtualGraphicsArea[k+p*8][i]=color; // Serial.print("*"); } else { virtualGraphicsArea[k+p*8][i]=backGround; // Serial.print(" "); } mask=mask>>1; } // Serial.print("\n\r"); } // lp++; } /* */ /* data format pin A0-A7 ... analog input 4-7 ... digital input 8-11 ... digital/analog(pwm) output receive [ byte cmd[256]; ] send [ 4 (=data_length(byte)), 'a' port, data(high), data(low) ] or [ 4 (=data_length(byte)), 'd' data (pin 0-7) data (0x00) data (0x00) ] */ [#a3d0a301] #define analogInMax 8 #define digitalInMax 6 #define digitalOutMax 14 int analogIns[analogInMax]; int digitalIns[digitalInMax]; int digitalOuts[digitalOutMax]; int digitalVal; AndroidAccessory acc("Google, Inc.", "Twitter2NeoMatrixEx5", "Arduino Board for twitter2neomatrixex5", "1.0", "http://www.android.com", "0000000012345000"); void setup(); void loop(); int realX; int lp; // last received font position on the virtualGraphicsArea int dp; // displayed font position on the virtualGraphicsArea int vfmax; // virtual font area max ... = VWMax/16; int cRed=255; // color-rgb-r int cGreen=0; // color-rgb-g int cBlue=0; // color-rgb-b char colorKind='r'; //color kind d:direct, r:rainbow void setup() { Serial.begin(57600); Serial.print("\r\nStart\n\r"); for(int i=0;i<digitalInMax;i++) digitalIns[i]=i; for(int i=0;i<digitalOutMax;i++) digitalOuts[i]=i; for(int i=0;i<digitalInMax;i++) pinMode(digitalIns[i],INPUT); for(int i=digitalInMax+1;i<digitalOutMax;i++) pinMode(digitalOuts[i],OUTPUT); // pinMode(ledPin, OUTPUT); // pinMode(b3Pin, INPUT); analogIns[0]=A0; analogIns[1]=A1; analogIns[2]=A2; analogIns[3]=A3; analogIns[4]=A4; analogIns[5]=A5; analogIns[6]=A6; analogIns[7]=A7; delay(5); // add 2012 12/9 Serial.print("acc.powerOn Start\n\r"); acc.powerOn(); Serial.print("acc.powerOn\n\r"); matrix.begin(); matrix.setBrightness(40); backGround=matrix.Color(0,0,0); initialVirtualGraphicsArea(); /* */ Serial.print("setup end\n"); realX=0; lp=0; dp=0; vfmax=VWMax/16; } void readAcc(){ byte inMsg[64]; // Serial.print("acc is connected\n"); //** int len = acc.read(inMsg, sizeof(inMsg), 1); int i; byte b; if(len<=0){ return; } // Serial.print("inMsg[0]="); Serial.print(inMsg[0]); Serial.print("\n\r"); //** if(inMsg[0]=='a'){ if(inMsg[1]<digitalOutMax) analogWrite(digitalOuts[inMsg[1]], inMsg[2]); } else if(inMsg[0]=='d'){ if(digitalInMax-1<inMsg[1] && inMsg[1]<digitalOutMax){ if(inMsg[2]==1) digitalWrite(digitalOuts[inMsg[1]], HIGH); else digitalWrite(digitalOuts[inMsg[1]], LOW); } } /* */ else if(inMsg[0]=='f'){ int fontKind=inMsg[1]; byte font[16]; if(fontKind==2){ // 16x16 font. for(int i=0;i<16;i++){ font[i]=inMsg[i*2+2]; } // Serial.print("x="); Serial.print(realX); Serial.print("\n\r"); //** // Serial.print("lp="); Serial.print(lp); Serial.print("\n\r"); //** // Serial.print("dp="); Serial.print(dp); Serial.print("\n\r"); //** int fcolor=lp%6; if(colorKind=='r') putFontAt(font,lp, matrix.Color((255-fcolor*16),fcolor*16,fcolor*16)); else putFontAt(font,lp, matrix.Color(cRed, cGreen, cBlue)); lp++; if(lp>=(VWMax/8)) lp=0; for(int i=0;i<16;i++){ font[i]=inMsg[i*2+3]; } // Serial.print("x="); Serial.print(realX); Serial.print("\n\r"); //* // Serial.print("lp="); Serial.print(lp); Serial.print("\n\r"); //* // Serial.print("dp="); Serial.print(dp); Serial.print("\n\r"); //* // int fcolor=lp%6; if(colorKind=='r') putFontAt(font,lp, matrix.Color((255-fcolor*16),fcolor*16,fcolor*16)); else putFontAt(font,lp, matrix.Color(cRed, cGreen, cBlue)); lp++; } else if(fontKind==1){ // 8x16 font for(int i=0;i<16;i++){ font[i]=inMsg[i+2]; } // Serial.print("x="); Serial.print(realX); Serial.print("\n\r"); // Serial.print("lp="); Serial.print(lp); Serial.print("\n\r"); // Serial.print("dp="); Serial.print(dp); Serial.print("\n\r"); int fcolor=lp%6; if(colorKind=='r') putFontAt(font,lp, matrix.Color((255-fcolor*16),fcolor*16,fcolor*16)); else putFontAt(font,lp, matrix.Color(cRed, cGreen, cBlue)); lp++; } if(lp>=(VWMax/8)) lp=0; } else if(inMsg[0]=='c'){ // color inMsg['c','r'|'d',r,g,b] // r: rainbow, d: direct r-g-b // r,g,b... red, green, blue colorKind=inMsg[1]; cRed=inMsg[2]; cGreen=inMsg[3]; cBlue=inMsg[4]; // Serial.print("color-"); Serial.print(colorKind); // Serial.print(" red="); Serial.print(cRed); // Serial.print(" green="); Serial.print(cGreen); // Serial.print(" blue="); Serial.print(cBlue); Serial.print("¥n¥r"); } /* */ } void writeAcc(){ byte outMsg[4]; digitalVal=0; for(int i=0;i<digitalInMax;i++){ int b=0; if(digitalRead(digitalIns[i])==HIGH) b=1; digitalVal=digitalVal<<1 | b; } outMsg[0]='d'; outMsg[1]=digitalVal & 0xff; outMsg[2]=0; outMsg[3]=0; acc.write(outMsg,4); /* int sensorValue; for(int i=0;i<analogInMax;i++){ sensorValue = analogRead(analogIns[i]); outMsg[0]='a'; outMsg[1]=i; outMsg[2]=(sensorValue>>8) & 0xff; outMsg[3]=sensorValue & 0xff; acc.write(outMsg,4); } */ if(realX%8==0){ if(lp==dp-1){ // outMsg[0]='f'; // outMsg[1]='n'; // outMsg[2]=0; // outMsg[3]=0; // acc.write(outMsg,4); } else if(lp==dp-2){ } else{ outMsg[0]='f'; outMsg[1]='r'; outMsg[2]=0; outMsg[3]=0; acc.write(outMsg,4); } } } void loop() { byte inMsg[64]; byte outMsg[4]; if(realX%4==0){ if (acc.isConnected()) { readAcc(); writeAcc(); } } // Serial.print("neo matrix\n\r"); /* */ matrix.fillScreen(0); copyVirtualPart2Real(realX); for(int i=0;i<RWMax;i++){ for(int j=0;j<RHMax;j++){ uint16_t c=realGraphicsArea[i][j]; // printf("%d\n",c); matrix.drawPixel(i,j,c); } } realX++; if(realX>=VWMax) realX=0; dp=realX/8; matrix.show(); /* */ delay(20); } }} ---- #counter
