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davemenninger/gist:779821

Created January 14, 2011 16:23
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spells out "H-I-V-E"
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gistfile1.c
#include <avr/pgmspace.h>
#define clockpin 13 // CI
#define enablepin 10 // EI
#define latchpin 9 // LI
#define datapin 11 // DI
#define NumLEDs 56
#define rows 8
#define columns 7
int LEDChannels[NumLEDs][3] = {0};
int SB_CommandMode;
int SB_RedCommand;
int SB_GreenCommand;
int SB_BlueCommand;
int current_img[columns][rows][3] = {0};
int next_img[columns][rows][3] = {0};
int num_frames = 6;
int current_frame = 0;
PROGMEM prog_int16_t all_white[columns][rows][3] = {
{ { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } },
{ { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } },
{ { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } },
{ { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } },
{ { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } },
{ { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } },
{ { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } , { 1000, 1000, 1000 } }
};
PROGMEM prog_int16_t all_black[columns][rows][3] = {
{ { 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, 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, 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 } }
};
PROGMEM prog_int16_t big_H[columns][rows][3] = {
{ { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } }
};
PROGMEM prog_int16_t big_I[columns][rows][3] = {
{ { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } }
};
PROGMEM prog_int16_t big_V[columns][rows][3] = {
{ { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } }
};
PROGMEM prog_int16_t big_E[columns][rows][3] = {
{ { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 1000, 0000 } , { 0000, 0000, 0000 } },
{ { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } , { 0000, 0000, 0000 } }
};
void setup() {
pinMode(datapin, OUTPUT);
pinMode(latchpin, OUTPUT);
pinMode(enablepin, OUTPUT);
pinMode(clockpin, OUTPUT);
SPCR = (1<<SPE)|(1<<MSTR)|(0<<SPR1)|(0<<SPR0);
digitalWrite(latchpin, LOW);
digitalWrite(enablepin, LOW);
}
void SB_SendPacket() {
if (SB_CommandMode == B01) {
SB_RedCommand = 65;
SB_GreenCommand = 50;
SB_BlueCommand = 50;
}
SPDR = SB_CommandMode << 6 | SB_BlueCommand>>4;
while(!(SPSR & (1<<SPIF)));
SPDR = SB_BlueCommand<<4 | SB_RedCommand>>6;
while(!(SPSR & (1<<SPIF)));
SPDR = SB_RedCommand << 2 | SB_GreenCommand>>8;
while(!(SPSR & (1<<SPIF)));
SPDR = SB_GreenCommand;
while(!(SPSR & (1<<SPIF)));
}
void WriteLEDArray() {
SB_CommandMode = B00; // Write to PWM control registers
for (int h = 0;h<NumLEDs;h++) {
SB_RedCommand = LEDChannels[h][0];
SB_GreenCommand = LEDChannels[h][1];
SB_BlueCommand = LEDChannels[h][2];
SB_SendPacket();
}
delayMicroseconds(15);
digitalWrite(latchpin,HIGH); // latch data into registers
delayMicroseconds(15);
digitalWrite(latchpin,LOW);
SB_CommandMode = B01; // Write to current control registers
for (int z = 0; z < NumLEDs; z++) SB_SendPacket();
delayMicroseconds(15);
digitalWrite(latchpin,HIGH); // latch data into registers
delayMicroseconds(15);
digitalWrite(latchpin,LOW);
}
void ConvertImg(){
//converts the "2D" current_img array into the "1D" LEDChannels array
for ( int x = 0; x < columns; x++ ){
for ( int y = 0; y < rows; y++ ){
int h = 0;
//the following deals with the alternating direction of the rows
if ( x%2 == 0 ){
h = (rows*x) + y;
}
else{
h = (rows*x) + (rows-y-1);
}
LEDChannels[h][0] = current_img[x][y][0];
LEDChannels[h][1] = current_img[x][y][1];
LEDChannels[h][2] = current_img[x][y][2];
}
}
}
void loop() {
//do something to modify the next_img
//spells out "H-I-V-E"
switch(current_frame){
case 0:
memcpy_P( next_img , big_H , ( sizeof(next_img) ) );
break;
case 1:
memcpy_P( next_img , big_I , ( sizeof(next_img) ) );
break;
case 2:
memcpy_P( next_img , big_V , ( sizeof(next_img) ) );
break;
case 3:
memcpy_P( next_img , big_E , ( sizeof(next_img) ) );
break;
case 4:
memcpy_P( next_img , all_black , ( sizeof(next_img) ) );
break;
default:
memcpy_P( next_img , all_black , ( sizeof(next_img) ) );
break;
}
current_frame++;
if ( current_frame >= num_frames ) current_frame = 0;
//no need to alter below this point
//copy the next_img to the current_img
memcpy( current_img , next_img , sizeof(current_img) );
//memcpy( current_img , next_img , ( NumLEDs * 3 * sizeof(int) ) );
//change the 2D grid of values into a 1D chain of values
ConvertImg();
//write out the current array to the "display"
WriteLEDArray();
//pause between refresh
delay(400);
}
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