如何通过用于户外广告和Arduino的LED模块制作非常醒目的告密者

//====================== OneWire ==================================== #include <OneWire.h> OneWire ds2 (2); String res = ""; byte type_s; byte data[12]; byte addr_ds2[8]; bool temp_sensor_2_found = false; float temp1 = 999; //=================================================================== #include <SPI.h> #include "DMD.h" #include "TimerOne.h" #include "SystemFont5x7rus.h" #define CLR 0x0C #define US 0x1F #define ESC 0x1B #define LF 0x0A static const char ID[] = "P10_DISPLAY_V01\r\n"; // Device ID #define DISPLAYS_ACROSS 1 #define DISPLAYS_DOWN 1 DMD dmd(DISPLAYS_ACROSS, DISPLAYS_DOWN); //  ,     . #define max_char1 6 #define max_char2 176 unsigned char message1[max_char1] = {0x20,0x30,0x30,0x30,0x30,0x00}; // stores you message unsigned char message2[max_char2]; // stores you message unsigned char r_char; byte index1 = 4; byte index2 = 176; int i; long scrollSpeed = 25; char test[] = { 0x84,0x80,0x20,0x87,0x84,0x90,0x80,0x82,0x91,0x92,0x82,0x93,0x85,0x92,0x20,0x92, 0x8E,0x20,0x81,0x8B,0x80,0x83,0x8E,0x84,0x80,0x90,0x9F,0x20,0x97,0x85,0x8C,0x93, 0x20,0x8C,0x9B,0x20,0x8D,0x85,0x91,0x8C,0x8E,0x92,0x90,0x9F,0x20,0x8D,0x88,0x20, 0x8D,0x80,0x20,0x97,0x92,0x8E,0x20,0x88,0x20,0x82,0x8E,0x8F,0x90,0x85,0x8A,0x88, 0x20,0x82,0x91,0x85,0x8C,0x93,0x21,0x00}; //============================================================================= bool get_sensor(byte addr[8], OneWire ds) { //    if (! ds.search (addr)) { ds.reset_search (); delay (250); return false; } //        if (OneWire::crc8(addr, 7) != addr[7]) { Serial.println("get_sensor:CRC is not valid!"); return false; } //    switch (addr[0]) { case 0x10: //Chip = DS18S20 type_s = 1; break; case 0x28: //Chip = DS18B20 type_s = 0; break; case 0x22: //Chip = DS1822 type_s = 0; break; default: Serial.println("get_sensor:Device is not a DS18x20 family device."); return false; } return true; } //============================================================================= double get_temp(byte addr[8], OneWire ds) { double celsius; ds.reset (); ds.select (addr); //   ds.write (0x44, 1); //  ,     delay (750); ds.reset (); ds.select (addr); ds.write (0xBE); //     for (int i = 0; i < 9; i++) { //     data[i] = ds.read (); } //        ,           int raw = (data[1] << 8) | data[0]; if (type_s) { raw = raw << 3; // 9 bit resolution default if (data[7] == 0x10) { raw = (raw & 0xFFF0) + 12 - data[6]; } } else { byte cfg = (data[4] & 0x60); if (cfg == 0x00) raw = raw << 3; else if (cfg == 0x20) raw = raw << 2; else if (cfg == 0x40) raw = raw << 1; } celsius = (double)raw / 16.0; return celsius; }; //============================================================================= void massage2BufClear () { for(i=0; i<max_char2; i++) { message2[i] = '\0'; } index2=0; } //-------------------------------------------------------------- void massage1BufClear () { message1[0] = 0x20; message1[1] = 0x30; message1[2] = 0x30; message1[3] = 0x30; message1[4] = 0x30; message1[5] = 0x00; index1=0; } //-------------------------------------------------------------- void massage1Normalization () { char buf[5]; buf[0] = 0x20; buf[1] = 0x30; buf[2] = 0x30; buf[3] = 0x30; buf[4] = 0x30; int char_count = index1; for(i = char_count - 1; i >= 0; i--) { buf[i] = message1[i]; } massage1BufClear(); for(i = char_count - 1; i >= 0; i--) { message1[i+5-char_count] = buf[i]; } } //------------------------------------------------------------------ void ScanDMD() { dmd.scanDisplayBySPI(); } //------------------------------------------------------------------ void setup(void) { Timer1.initialize( 500 ); Timer1.attachInterrupt( ScanDMD ); dmd.clearScreen( true ); Serial.begin(9600); strcpy(message2,test); dmd.brightness = 70; temp_sensor_2_found = get_sensor(addr_ds2, ds2); dmd.selectFont(SystemFont5x7); } //------------------------------------------------------------------ void loop(void) { dmd.drawMarquee(message2 ,index2,(32*DISPLAYS_ACROSS)-1 ,8); if (temp_sensor_2_found) // !!!!!!! { // !!!!!!! res = String(get_temp(addr_ds2, ds2)); // !!!!!!! res.toCharArray(message1, 5); // !!!!!!! message1[4] = 0xF8; // !!!!!!! } // !!!!!!! long start=millis(); long timer=start; boolean ret=false; while(!ret) { if ((timer + scrollSpeed) < millis()) { dmd.drawFilledBox( 0,0,31,7, GRAPHICS_INVERSE); ret=dmd.stepMarquee(-1,0); timer=millis(); dmd.drawString( 1, 0, message1, 5, GRAPHICS_NORMAL ); if(Serial.available()) break; } } } //----------------------------------------------------------------------------------- void serialEvent() { delay(25); // Wait all data r_char = Serial.read(); if(r_char < 0x20) { switch (r_char) { case ESC: r_char = Serial.read(); if(r_char=='@') { Serial.write(ID); } break; case CLR: massage1BufClear(); massage2BufClear(); break; case US: r_char = Serial.read(); if(r_char=='X') { dmd.brightness = Serial.read(); } if(r_char=='B'){ massage2BufClear(); while(Serial.available() > 0) { r_char = Serial.read(); if(index2 < (max_char2-1)) { if(r_char > 0x1F) { message2[index2] = r_char; index2++; } } } } if(r_char==LF){ massage1BufClear(); while(Serial.available() > 0) { r_char = Serial.read(); if(index1 < (max_char1-1)) { if((r_char > 0x29) and (r_char < 0x3A)) { message1[index1] = r_char; index1++; } } } massage1Normalization(); } dmd.drawFilledBox( 0,8,31,15, GRAPHICS_INVERSE); break; default: break; } } while (Serial.available()) Serial.read(); dmd.writePixel(0,0,GRAPHICS_NORMAL,1); } 

http://conture.by/post/1100
http://ediy.com.my/blog/item/116-arduino-driving-a-32x16-dot-matrix-display-panel
http://blog.vettore.org/building-a-large-led-sign-with-inexpensive-standard-modules-and-arduino/
http://digital-wizard.net/avr_projects/p10_led_display_panel_interface
https://geektimes.ru/post/275548/
https://forum.arduino.cc/index.php?topic=260320.0
https://www.youtube.com/channel/UChButpZaL5kUUl_zTyIDFkQ