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Ardunio Xmas Tree
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// -*- c -*- | |
#define TO_INT(arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9) \ | |
(256*arg1) + (128*arg2) + (64*arg3) + (32*arg4) + (16*arg5) + \ | |
( 8*arg6) + ( 4*arg7) + ( 2*arg8) + ( 1*arg9) | |
const int lookup[] = { 1, 2, 4, 8, 16, 32, 64, 128, 256 }; | |
const int SwitchPin = 13; | |
const int SwitchPin2 = 12; | |
const int MaxLeds = 9; | |
int leds[MaxLeds] = { 3, 5,4, 6,9, 8,11, 7,10 }; | |
const int MaxRepeats = 87; | |
int hilo[MaxRepeats][1] = { | |
/** | |
* Indicies are defined as follows for | |
* the Xmas tree: | |
* | |
* 9 | |
* 7 8 | |
* 5 6 | |
* 3 4 | |
* 1 2 | |
* | |
* Which might be counter intuitive. | |
**/ | |
{ TO_INT(HIGH,HIGH, LOW,LOW,LOW,LOW,LOW,LOW,LOW) }, | |
{ TO_INT(LOW,LOW, HIGH,HIGH, LOW,LOW,LOW,LOW,LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, HIGH,HIGH, LOW,LOW,LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, HIGH,HIGH, LOW) }, | |
/* 4 */ | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, HIGH) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, HIGH) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, HIGH,HIGH, LOW) }, | |
/* 8 */ | |
{ TO_INT(LOW,LOW, LOW,LOW, HIGH,HIGH, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, HIGH,HIGH, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(HIGH,HIGH, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
/* 12 */ | |
{ TO_INT(HIGH,LOW, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, HIGH,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, HIGH,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, HIGH,LOW, LOW) }, | |
/* 16 */ | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, HIGH) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,HIGH, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,HIGH, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,HIGH, LOW,LOW, LOW,LOW, LOW) }, | |
/* 20 */ | |
{ TO_INT(LOW,HIGH, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(HIGH,HIGH, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(HIGH,HIGH, HIGH,HIGH, LOW,LOW, LOW,LOW, LOW) }, | |
/* 24 */ | |
{ TO_INT(HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, LOW,LOW, LOW) }, | |
{ TO_INT(HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, LOW) }, | |
{ TO_INT(HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, HIGH) }, | |
{ TO_INT(HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, LOW) }, | |
/* 28 */ | |
{ TO_INT(HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, HIGH) }, | |
{ TO_INT(HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, LOW) }, | |
{ TO_INT(HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, HIGH) }, | |
{ TO_INT(HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, LOW) }, | |
/* 32 */ | |
{ TO_INT(HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, LOW,LOW, LOW) }, | |
{ TO_INT(HIGH,HIGH, HIGH,HIGH, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(HIGH,HIGH, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
/* 36 */ | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, HIGH) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, HIGH) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
/* 40 */ | |
{ TO_INT(HIGH,LOW, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(HIGH,LOW, HIGH,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(HIGH,LOW, HIGH,LOW, HIGH,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(HIGH,LOW, HIGH,LOW, HIGH,LOW, LOW,LOW, LOW) }, | |
/* 44 */ | |
{ TO_INT(HIGH,LOW, HIGH,LOW, HIGH,LOW, HIGH,LOW, LOW) }, | |
{ TO_INT(HIGH,LOW, HIGH,LOW, HIGH,LOW, HIGH,LOW, HIGH) }, | |
{ TO_INT(HIGH,LOW, HIGH,LOW, HIGH,LOW, LOW,HIGH, HIGH) }, | |
{ TO_INT(HIGH,LOW, HIGH,LOW, LOW,HIGH, LOW,HIGH, HIGH) }, | |
/* 48 */ | |
{ TO_INT(HIGH,LOW, LOW,HIGH, LOW,HIGH, LOW,HIGH, HIGH) }, | |
{ TO_INT(LOW,HIGH, LOW,HIGH, LOW,HIGH, LOW,HIGH, HIGH) }, | |
{ TO_INT(HIGH,LOW, HIGH,LOW, HIGH,LOW, HIGH,LOW, HIGH) }, | |
{ TO_INT(LOW,HIGH, LOW,HIGH, LOW,HIGH, LOW,HIGH, HIGH) }, | |
/* 52 */ | |
{ TO_INT(HIGH,LOW, HIGH,LOW, HIGH,LOW, HIGH,LOW, HIGH) }, | |
{ TO_INT(LOW,HIGH, LOW,HIGH, LOW,HIGH, LOW,HIGH, HIGH) }, | |
{ TO_INT(LOW,HIGH, LOW,HIGH, LOW,HIGH, LOW,HIGH, LOW) }, | |
{ TO_INT(LOW,HIGH, LOW,HIGH, LOW,HIGH, LOW,LOW, LOW) }, | |
/* 56 */ | |
{ TO_INT(LOW,HIGH, LOW,HIGH, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,HIGH, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(HIGH,LOW, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
/* 60 */ | |
{ TO_INT(LOW,HIGH, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, HIGH,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,HIGH, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, HIGH,LOW, LOW,LOW, LOW) }, | |
/* 64 */ | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,HIGH, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, HIGH,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,HIGH, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, HIGH) }, | |
/* 68 */ | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, HIGH) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, HIGH) }, | |
/* 72 */ | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, HIGH) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, HIGH,HIGH, HIGH) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, HIGH,HIGH, HIGH,HIGH, HIGH) }, | |
/* 76 */ | |
{ TO_INT(LOW,LOW, HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, HIGH) }, | |
{ TO_INT(HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, HIGH) }, | |
{ TO_INT(HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, LOW) }, | |
{ TO_INT(HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, HIGH,LOW, LOW) }, | |
/* 80 */ | |
{ TO_INT(HIGH,HIGH, HIGH,HIGH, HIGH,HIGH, LOW,LOW, LOW) }, | |
{ TO_INT(HIGH,HIGH, HIGH,HIGH, HIGH,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(HIGH,HIGH, HIGH,HIGH, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(HIGH,HIGH, HIGH,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
/* 84 */ | |
{ TO_INT(HIGH,HIGH, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(HIGH,LOW, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
{ TO_INT(LOW,LOW, LOW,LOW, LOW,LOW, LOW,LOW, LOW) }, | |
}; | |
int is_pin_high_or_low(int val, int idx) { | |
return ( (val & lookup[idx]) == lookup[idx] ? HIGH : LOW ); | |
} | |
void activate_leds( int break_pin, int high_value ) { | |
for ( int x = 0; x < MaxRepeats+1; x++){ | |
for ( int y = 0; y < MaxLeds; y++ ) { | |
digitalWrite(leds[y], is_pin_high_or_low(hilo[x%MaxRepeats][0], y) == high_value ? HIGH : LOW); | |
} | |
if ( digitalRead(break_pin) == HIGH ) { break; } | |
delay(150); | |
} | |
} | |
void draw_xmas_tree() { | |
activate_leds(SwitchPin2, HIGH); | |
} | |
void draw_xmas_tree_inverse() { | |
activate_leds(SwitchPin, LOW); | |
} | |
void setup() { | |
Serial.begin(9600); | |
pinMode(SwitchPin, INPUT); | |
for ( int x = 0; x < MaxLeds; x++ ) { | |
pinMode(leds[x], OUTPUT); | |
digitalWrite(leds[x], LOW); | |
} | |
} | |
void loop() { | |
if ( digitalRead(SwitchPin) == HIGH ) { | |
while ( 1 == 1 ) { | |
draw_xmas_tree(); | |
if ( digitalRead(SwitchPin2) == HIGH ) { break; } | |
} | |
for ( int x = 0; x < MaxLeds; x++ ) { | |
digitalWrite(leds[x], LOW); | |
} | |
digitalWrite(leds[random(0,MaxLeds)], HIGH); | |
delay(1000); | |
} else { | |
if ( digitalRead(SwitchPin2) == HIGH) { | |
while ( 1 == 1 ) { | |
draw_xmas_tree_inverse(); | |
if ( digitalRead(SwitchPin) == HIGH ) { break; } | |
} | |
for ( int x = 0; x < MaxLeds; x++ ) { | |
digitalWrite(leds[x], LOW); | |
} | |
digitalWrite(leds[random(0,MaxLeds)], HIGH); | |
delay(1000); | |
} else { | |
for ( int x = 0; x < MaxLeds; x++ ) { | |
digitalWrite(leds[x], LOW); | |
} | |
} | |
} | |
delay(1); | |
} |
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