1。下载Arduino IDEarduino.cc
2。复制并粘贴以下代码到Arduino IDE并单击“编译”(第一个按钮,从菜单栏的左边)。
/ *显示讯息8X8 LED点阵,*从右至左拖动。*使用frequencytimer2图书馆*总是中断在指定频率的常规*。这*刷新显示无*主回路有什么。* */#include #define SPACE { \ {0, 0, 0, 0, 0, 0, 0, 0}, \ {0, 0, 0, 0, 0, 0, 0, 0}, \ {0, 0, 0, 0, 0, 0, 0, 0}, \ {0, 0, 0, 0, 0, 0, 0, 0}, \ {0, 0, 0, 0, 0, 0, 0, 0}, \ {0, 0, 0, 0, 0, 0, 0, 0}, \ {0, 0, 0, 0, 0, 0, 0, 0}, \ {0, 0, 0, 0, 0, 0, 0, 0} \}#define H { \ {0, 1, 0, 0, 0, 0, 1, 0}, \ {0, 1, 0, 0, 0, 0, 1, 0}, \ {0, 1, 0, 0, 0, 0, 1, 0}, \ {0, 1, 1, 1, 1, 1, 1, 0}, \ {0, 1, 0, 0, 0, 0, 1, 0}, \ {0, 1, 0, 0, 0, 0, 1, 0}, \ {0, 1, 0, 0, 0, 0, 1, 0}, \ {0, 1, 0, 0, 0, 0, 1, 0} \}#define E { \ {0, 1, 1, 1, 1, 1, 1, 0}, \ {0, 1, 0, 0, 0, 0, 0, 0}, \ {0, 1, 0, 0, 0, 0, 0, 0}, \ {0, 1, 1, 1, 1, 1, 1, 0}, \ {0, 1, 0, 0, 0, 0, 0, 0}, \ {0, 1, 0, 0, 0, 0, 0, 0}, \ {0, 1, 0, 0, 0, 0, 0, 0}, \ {0, 1, 1, 1, 1, 1, 1, 0} \}#define L { \ {0, 1, 0, 0, 0, 0, 0, 0}, \ {0, 1, 0, 0, 0, 0, 0, 0}, \ {0, 1, 0, 0, 0, 0, 0, 0}, \ {0, 1, 0, 0, 0, 0, 0, 0}, \ {0, 1, 0, 0, 0, 0, 0, 0}, \ {0, 1, 0, 0, 0, 0, 0, 0}, \ {0, 1, 0, 0, 0, 0, 0, 0}, \ {0, 1, 1, 1, 1, 1, 1, 0} \}#define O { \ {0, 0, 0, 1, 1, 0, 0, 0}, \ {0, 0, 1, 0, 0, 1, 0, 0}, \ {0, 1, 0, 0, 0, 0, 1, 0}, \ {0, 1, 0, 0, 0, 0, 1, 0}, \ {0, 1, 0, 0, 0, 0, 1, 0}, \ {0, 1, 0, 0, 0, 0, 1, 0}, \ {0, 0, 1, 0, 0, 1, 0, 0}, \ {0, 0, 0, 1, 1, 0, 0, 0} \}byte col = 0;byte leds[8][8];// pin[xx] on led matrix connected to nn on Arduino (-1 is dummy to make array start at pos 1)int pins[17]= {-1, 5, 4, 3, 2, 14, 15, 16, 17, 13, 12, 11, 10,9, 8, 7, 6};// col[xx] of leds = pin yy on led matrixint cols[8] = {pins[13], pins[3], pins[4], pins[10], pins[06],pins[11], pins[15], pins[16]};// row[xx] of leds = pin yy on led matrixint rows[8] = {pins[9], pins[14], pins[8], pins[12], pins[1],pins[7], pins[2], pins[5]};const int numPatterns = 6;byte patterns[numPatterns][8][8] = { H,E,L,L,O,SPACE};int pattern = 0;void setup() { // sets the pins as output for (int i = 1; i <= 16; i++) { pinMode(pins[i], OUTPUT); } // set up cols and rows for (int i = 1; i <= 8; i++) { digitalWrite(cols[i - 1], LOW); } for (int i = 1; i <= 8; i++) { digitalWrite(rows[i - 1], LOW); } clearLeds(); // Turn off toggling of pin 11 FrequencyTimer2::disable(); // Set refresh rate (interrupt timeout period) FrequencyTimer2::setPeriod(2000); // Set interrupt routine to be called FrequencyTimer2::setOnOverflow(display); setPattern(pattern);}void loop() { pattern = ++pattern % numPatterns; slidePattern(pattern, 60);}void clearLeds() { // Clear display array for (int i = 0; i < 8; i++) { for (int j = 0; j < 8; j++) { leds[i][j] = 0; } }}void setPattern(int pattern) { for (int i = 0; i < 8; i++) { for (int j = 0; j < 8; j++) { leds[i][j] = patterns[pattern][i][j]; } }}void slidePattern(int pattern, int del) { for (int l = 0; l < 8; l++) { for (int i = 0; i < 7; i++) { for (int j = 0; j < 8; j++) { leds[j][i] = leds[j][i+1]; } } for (int j = 0; j < 8; j++) { leds[j][7] = patterns[pattern][j][0 + l]; } delay(del); (责任编辑:admin)