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September 16, 2013 21:55
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Happy 10th birthday Aidan!
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// Arduino Uno simulator with Morse Code. | |
// for Aidan's birthday party September 2013. | |
// http://gurunoia.lochan.org/blog/2013/09/arduino-cake/ | |
// Keith Wansbrough <keithw@lochan.org> | |
// Dot length in milliseconds. | |
const int dot = 120; | |
// Pins of various LEDs. | |
const int pinpower = 3; | |
const int pinrx = 4; | |
const int pintx = 2; | |
const int pin13 = 5; | |
const int pinbuiltin = 13; | |
// Timings and counts for the program-load simulation. | |
const int xcount = 50; | |
const int xcount2 = 10; | |
const int xdelay = 20; | |
char* morse[] = { | |
".-", // A | |
"-...", | |
"-.-.", | |
"-..", | |
".", | |
"..-.", | |
"--.", | |
"....", | |
"..", | |
".---", | |
"-.-", | |
".-..", | |
"--", | |
"-.", | |
"---", | |
".--.", | |
"--.-", | |
".-.", | |
"...", | |
"-", | |
"..-", | |
"...-", | |
".--", | |
"-..-", | |
"-.--", | |
"--..", // Z | |
"-----", // 0 | |
".----", | |
"..---", | |
"...--", | |
"....-", | |
".....", | |
"-....", | |
"--...", | |
"---..", | |
"----." // 9 | |
}; | |
// timing: dot=1, dash=3, gap=1, letter gap=3, word gap=7; typical dot = 60ms? | |
void flash(int pin, char* text) { | |
digitalWrite(pin, 0); | |
for (char*p = text; *p; p++) { | |
if (*p == ' ') { | |
delay(dot * 4); | |
} else if (*p >= 'A' && *p <= 'Z') { | |
flashChar(pin, morse[*p - 'A']); | |
delay(dot * 2); | |
} else if (*p >= 'a' && *p <= 'z') { | |
flashChar(pin, morse[*p - 'a']); | |
delay(dot * 2); | |
} else if (*p >= '0' && *p <= '9') { | |
flashChar(pin, morse[*p - '0' + 26]); | |
delay(dot * 2); | |
} else { | |
// do nothing! | |
} | |
} | |
} | |
void flashChar(int pin, char* code) { | |
for (char*p = code; *p; p++) { | |
if (*p == '.') { | |
digitalWrite(pin, 1); | |
delay(dot); | |
digitalWrite(pin, 0); | |
delay(dot); | |
} else if (*p == '-') { | |
digitalWrite(pin, 1); | |
delay(dot * 3); | |
digitalWrite(pin, 0); | |
delay(dot); | |
} else { | |
// do nothing! | |
} | |
} | |
} | |
void setup() { | |
pinMode(pinpower, OUTPUT); | |
pinMode(pinrx, OUTPUT); | |
pinMode(pintx, OUTPUT); | |
pinMode(pin13, OUTPUT); | |
pinMode(pinbuiltin, OUTPUT); | |
digitalWrite(pinbuiltin,1); | |
delay(500); | |
digitalWrite(pinbuiltin,0); | |
digitalWrite(pinpower,1); | |
delay(500); | |
digitalWrite(pinpower,0); | |
digitalWrite(pinrx,1); | |
delay(500); | |
digitalWrite(pinrx,0); | |
digitalWrite(pintx,1); | |
delay(500); | |
digitalWrite(pintx,0); | |
digitalWrite(pin13,1); | |
delay(500); | |
digitalWrite(pin13,0); | |
digitalWrite(pinbuiltin,1); | |
delay(500); | |
digitalWrite(pinbuiltin,0); | |
} | |
void loop() { | |
digitalWrite(pinpower, 1); | |
digitalWrite(pinrx, 0); | |
digitalWrite(pintx, 0); | |
digitalWrite(pin13, 0); | |
delay(500); | |
int i; | |
for (i = 0; i < xcount; i++) { | |
digitalWrite(pinrx, 1); | |
delay(xdelay); | |
digitalWrite(pinrx, 0); | |
delay(xdelay); | |
} | |
for (i = 0; i < xcount; i++) { | |
digitalWrite(pintx, 1); | |
delay(xdelay); | |
digitalWrite(pintx, 0); | |
delay(xdelay); | |
} | |
for (i = 0; i < xcount2; i++) { | |
digitalWrite(pinrx, 1); | |
delay(xdelay); | |
digitalWrite(pinrx, 0); | |
delay(xdelay); | |
} | |
for (i = 0; i < xcount2; i++) { | |
digitalWrite(pintx, 1); | |
delay(xdelay); | |
digitalWrite(pintx, 0); | |
delay(xdelay); | |
} | |
delay(2000); | |
flash(pin13, "Happy 10th Birthday Aidan"); | |
delay(2000); | |
flash(pin13, "Happy 10th Birthday Aidan"); | |
delay(10000); | |
} | |
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