Week 7: LOL Shield (Lots of LED’s)

LOL Shield

 See this LOL Shield project in action now.

#include <avr/pgmspace.h> //AVR library for writing to ROM
#include <Charliplexing.h> //Imports the library, which needs to be
//Initialized in setup.

//Sets the time each frame is shown (milliseconds)
const unsigned int blinkdelay = 1000 / 50;

PROGMEM const uint16_t BitMap[][9] = {
//Diaganal swipe across the screen
{1, 0, 0, 0, 0, 0, 0, 0, 0},
{3, 1, 0, 0, 0, 0, 0, 0, 0},
{7, 3, 1, 0, 0, 0, 0, 0, 0},
{15, 7, 3, 1, 0, 0, 0, 0, 0},
{31, 15, 7, 3, 1, 0, 0, 0, 0},
{63, 31, 15, 7, 3, 1, 0, 0, 0},
{127, 63, 31, 15, 7, 3, 1, 0, 0},
{255, 127, 63, 31, 15, 7, 3, 1, 0},
{511, 255, 127, 63, 31, 15, 7, 3, 1},
{1023, 511, 255, 127, 63, 31, 15, 7, 3},
{2047, 1023, 511, 255, 127, 63, 31, 15, 7},
{4095, 2047, 1023, 511, 255, 127, 63, 31, 15},
{8191, 4095, 2047, 1023, 511, 255, 127, 63, 31},
{16383, 8191, 4095, 2047, 1023, 511, 255, 127, 63},
{16383, 16383, 8191, 4095, 2047, 1023, 511, 255, 127},
{16383, 16383, 16383, 8191, 4095, 2047, 1023, 511, 255},
{16383, 16383, 16383, 16383, 8191, 4095, 2047, 1023, 511},
{16383, 16383, 16383, 16383, 16383, 8191, 4095, 2047, 1023},
{16383, 16383, 16383, 16383, 16383, 16383, 8191, 4095, 2047},
{16383, 16383, 16383, 16383, 16383, 16383, 16383, 8191, 4095},
{16383, 16383, 16383, 16383, 16383, 16383, 16383, 16383, 8191},
{16383, 16383, 16383, 16383, 16383, 16383, 16383, 16383, 16383},
{16383, 16383, 16383, 16383, 16383, 16383, 16383, 16383, 16383},
{16382, 16383, 16383, 16383, 16383, 16383, 16383, 16383, 16383},
{16380, 16382, 16383, 16383, 16383, 16383, 16383, 16383, 16383},
{16376, 16380, 16382, 16383, 16383, 16383, 16383, 16383, 16383},
{16368, 16376, 16380, 16382, 16383, 16383, 16383, 16383, 16383},
{16352, 16368, 16376, 16380, 16382, 16383, 16383, 16383, 16383},
{16320, 16352, 16368, 16376, 16380, 16382, 16383, 16383, 16383},
{16256, 16320, 16352, 16368, 16376, 16380, 16382, 16383, 16383},
{16128, 16256, 16320, 16352, 16368, 16376, 16380, 16382, 16383},
{15872, 16128, 16256, 16320, 16352, 16368, 16376, 16380, 16382},
{15360, 15872, 16128, 16256, 16320, 16352, 16368, 16376, 16380},
{14336, 15360, 15872, 16128, 16256, 16320, 16352, 16368, 16376},
{12288, 14336, 15360, 15872, 16128, 16256, 16320, 16352, 16368},
{8192, 12288, 14336, 15360, 15872, 16128, 16256, 16320, 16352},
{0, 8192, 12288, 14336, 15360, 15872, 16128, 16256, 16320},
{0, 0, 8192, 12288, 14336, 15360, 15872, 16128, 16256},
{0, 0, 0, 8192, 12288, 14336, 15360, 15872, 16128},
{0, 0, 0, 0, 8192, 12288, 14336, 15360, 15872},
{0, 0, 0, 0, 0, 8192, 12288, 14336, 15360},
{0, 0, 0, 0, 0, 0, 8192, 12288, 14336},
{0, 0, 0, 0, 0, 0, 0, 8192, 12288},
{0, 0, 0, 0, 0, 0, 0, 0, 8192},
{0, 0, 0, 0, 0, 0, 0, 0, 0},

//Horizontal swipe
{1, 1, 1, 1, 1, 1, 1, 1, 1} ,
{3, 3, 3, 3, 3, 3, 3, 3, 3},
{7, 7, 7, 7, 7, 7, 7, 7, 7},
{15, 15, 15, 15, 15, 15, 15, 15, 15},
{31, 31, 31, 31, 31, 31, 31, 31, 31},
{63, 63, 63, 63, 63, 63, 63, 63, 63},
{127, 127, 127, 127, 127, 127, 127, 127, 127},
{255, 255, 255, 255, 255, 255, 255, 255, 255},
{511, 511, 511, 511, 511, 511, 511, 511, 511},
{1023, 1023, 1023, 1023, 1023, 1023, 1023, 1023, 1023},
{2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047, 2047},
{4095, 4095, 4095, 4095, 4095, 4095, 4095, 4095, 4095},
{8191, 8191, 8191, 8191, 8191, 8191, 8191, 8191, 8191},
{16383, 16383, 16383, 16383, 16383, 16383, 16383, 16383, 16383},
{16382, 16382, 16382, 16382, 16382, 16382, 16382, 16382, 16382},
{16380, 16380, 16380, 16380, 16380, 16380, 16380, 16380, 16380},
{16376, 16376, 16376, 16376, 16376, 16376, 16376, 16376, 16376},
{16368, 16368, 16368, 16368, 16368, 16368, 16368, 16368, 16368},
{16352, 16352, 16352, 16352, 16352, 16352, 16352, 16352, 16352},
{16320, 16320, 16320, 16320, 16320, 16320, 16320, 16320, 16320},
{16256, 16256, 16256, 16256, 16256, 16256, 16256, 16256, 16256},
{16128, 16128, 16128, 16128, 16128, 16128, 16128, 16128, 16128},
{15872, 15872, 15872, 15872, 15872, 15872, 15872, 15872, 15872},
{15360, 15360, 15360, 15360, 15360, 15360, 15360, 15360, 15360},
{14336, 14336, 14336, 14336, 14336, 14336, 14336, 14336, 14336},
{12288, 12288, 12288, 12288, 12288, 12288, 12288, 12288, 12288},
{8192, 8192, 8192, 8192, 8192, 8192, 8192, 8192, 8192},
{0, 0, 0, 0, 0, 0, 0, 0, 0},
{18000}
};

void setup() {
LedSign::Init(DOUBLE_BUFFER | GRAYSCALE); //Initializes the screen
}
void loop() {
for (uint8_t gray = 1; gray < SHADES; gray++)
DisplayBitMap(gray); //Displays the bitmap
}

void DisplayBitMap(uint8_t grayscale)
{
boolean run=true; //While this is true, the screen updates
byte frame = 0; //Frame counter
byte line = 0; //Row counter
unsigned long data; //Temporary storage of the row data
unsigned long start = 0;

while(run == true) {

for(line = 0; line < 9; line++) {

//Here we fetch data from program memory with a pointer.
data = pgm_read_word_near (&BitMap[frame][line]);

//Kills the loop if the kill number is found
if (data==18000){
run=false;
}

//This is where the bit-shifting happens to pull out
//each LED from a row. If the bit is 1, then the LED
//is turned on, otherwise it is turned off.
else for (byte led=0; led<14; ++led) {
if (data & (1<<led)) {
LedSign::Set(led, line, grayscale);
}
else {
LedSign::Set(led, line, 0);
}
}
}

LedSign::Flip(true);

unsigned long end = millis();
unsigned long diff = end – start;
if ( start && (diff < blinkdelay) )
delay( blinkdelay – diff );
start = end;

frame++;
}
}

Leave a Reply

Your email address will not be published. Required fields are marked *