/*

• Arduino 由 XBee 接收資料。輸入不同字元會亮不同數字，
• pin0、pin1 = XBee
• pin2～pin12 = LED matrix display
• pin13 = Relay switch = button 0 開；p 關。
• History:
• 2010-02-06 0.0 初版 */

#define lpinA 2 定義 74138 A 腳位 #define lpinB 3 定義 74138 B 腳位 #define lpinC 4 定義 74138 C 腳位 #define hpin0 5 定義 LED 正極腳位 #define hpin1 6 定義 LED 正極腳位 #define hpin2 7 定義 LED 正極腳位 #define hpin3 8 定義 LED 正極腳位 #define hpin4 9 定義 LED 正極腳位 #define hpin5 10 定義 LED 正極腳位 #define hpin6 11 定義 LED 正極腳位 #define hpin7 12 定義 LED 正極腳位 #define pin_relay 13 定義控制 relay 的 pin #define row_size 8 定義 Matrix row 大小 #define col_size 8 定義 Matrix colum 小 #define delay_time 100 延遲時間

#define data_default {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 data_A {0, 0, 0, 1, 1, 0, 0, 0,\

0, 0, 1, 0, 0, 1, 0, 0,\ 0, 0, 1, 0, 0, 1, 0, 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}

#define data_N {0, 1, 0, 0, 0, 0, 1, 0,\

0, 1, 1, 0, 0, 0, 1, 0,\ 0, 1, 1, 0, 0, 0, 1, 0,\ 0, 1, 0, 1, 0, 0, 1, 0,\ 0, 1, 0, 0, 1, 0, 1, 0,\ 0, 1, 0, 0, 0, 1, 1, 0,\ 0, 1, 0, 0, 0, 1, 1, 0,\ 0, 1, 0, 0, 0, 0, 1, 0}

#define data_relayon {1, 1, 1, 0, 0, 1, 0, 0,\

1, 0, 1, 0, 0, 1, 0, 0,\ 1, 1, 0, 0, 0, 1, 0, 0,\ 1, 0, 1, 0, 0, 1, 1, 1,\ 0, 1, 1, 0, 1, 0, 0, 1,\ 1, 0, 0, 1, 1, 1, 0, 1,\ 1, 0, 0, 1, 1, 0, 1, 1,\ 0, 1, 1, 0, 1, 0, 0, 1}

#define data_relayoff {1, 1, 1, 0, 0, 1, 0, 0,\

1, 0, 1, 0, 0, 1, 0, 0,\ 1, 1, 0, 0, 0, 1, 0, 0,\ 1, 0, 1, 0, 0, 1, 1, 1,\ 0, 1, 1, 0, 1, 1, 1, 1,\ 1, 0, 0, 1, 1, 1, 1, 1,\ 1, 0, 0, 1, 1, 0, 1, 0,\ 0, 1, 1, 0, 1, 0, 1, 0}

所有要顯示字的 array boolean word_array[4][row_size][col_size] = {data_A, data_N, data_relayon, data_relayoff};

LED Matrix

boolean led[row_size][col_size] ; 水平方向 led byte row_pin[col_size]={hpin0, hpin1, hpin2, hpin3, hpin4, hpin5, hpin6, hpin7};

int serial_data = 0; 由 serial 讀入的資料 void setup() {

pinMode(2, OUTPUT); pinMode(3, OUTPUT); pinMode(4, OUTPUT); pinMode(5, OUTPUT); pinMode(6, OUTPUT); pinMode(7, OUTPUT); pinMode(8, OUTPUT); pinMode(9, OUTPUT); pinMode(10, OUTPUT); pinMode(11, OUTPUT); pinMode(12, OUTPUT); pinMode(13, OUTPUT); clear_led(); Serial.begin(9600);

}

void loop() {

clear_led(); Serial.print("debug : serial_data = "); Serial.println(serial_data); delay(500); if (Serial.available() > 0) {

serial_data = Serial.read(); Serial.print("I receive: "); Serial.println(serial_data);

} switch (serial_data) {

case 0:

default serial_data value received nothing, do nothing break;

case 48: key 0

digitalWrite(pin_relay, HIGH); word_to_led(2); display_led(led, 500); break; break;

case 49: key 1

word_to_led(0); display_led(led, 500); break;

case 50: key 2

word_to_led(1); display_led(led, 500); break;

case 112: key

digitalWrite(pin_relay, LOW); word_to_led(3); display_led(led, 500); break; break;

default:

Serial.println("key is not defined"); delay(delay_time);

}

}

void clear_led() {

serial_data = 0; for (int i = 0; i < col_size; i++)

digitalWrite(row_pin[i], LOW);

}

void display_led(byte led[row_size][col_size], int continue_time) {

for (int k = 0; k < continue_time; k++) {

for (int i = 0; i < col_size; i++) {

掃描第一個 col low_74138pin(i); for (int j = 0; j < row_size; j++) {

if (led[j][i] == 1) {

digitalWrite(row_pin[j], HIGH); delay(delay_time);

}

} clear_led();

}

}

}

void low_74138pin(int num) {

switch (num) {

case 0:

digitalWrite(lpinA, LOW); digitalWrite(lpinB, LOW); digitalWrite(lpinC, LOW); break;

case 1:

digitalWrite(lpinA, HIGH); digitalWrite(lpinB, LOW); digitalWrite(lpinC, LOW); break;

case 2:

digitalWrite(lpinA, LOW); digitalWrite(lpinB, HIGH); digitalWrite(lpinC, LOW); break;

case 3:

digitalWrite(lpinA, HIGH); digitalWrite(lpinB, HIGH); digitalWrite(lpinC, LOW); break;

case 4:

digitalWrite(lpinA, LOW); digitalWrite(lpinB, LOW); digitalWrite(lpinC, HIGH); break;

case 5:

digitalWrite(lpinA, HIGH); digitalWrite(lpinB, LOW); digitalWrite(lpinC, HIGH); break;

case 6:

digitalWrite(lpinA, LOW); digitalWrite(lpinB, HIGH); digitalWrite(lpinC, HIGH); break;

case 7:

digitalWrite(lpinA, HIGH); digitalWrite(lpinB, HIGH); digitalWrite(lpinC, HIGH);

}

}

將第 n 個 word 讀入 led void word_to_led(int n){

for (int i = 0; i < row_size; i++)

for (int j = 0; j < col_size; j++)

led[i][j] = word_array[n][i][j];

}