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#include <LEDMatrixDriver.hpp>
extern "C" {
#include "user_interface.h"
}
// This sketch draw marquee text on your LED matrix using the hardware SPI driver Library by Bartosz Bielawski.
// https://github.com/bartoszbielawski/LEDMatrixDriver
// Example written 16.06.2017 by Marko Oette, www.oette.info
// Define the ChipSelect pin for the led matrix (Dont use the SS or MISO pin of your Arduino/ESP!)
const uint8_t LEDMATRIX_CS_PIN = D1;
// Define LED Matrix dimensions (0-n) - eg: 32x8 = 31x7
const int LEDMATRIX_WIDTH = 151;
const int LEDMATRIX_HEIGHT = 7;
const int LEDMATRIX_SEGMENTS = 19;
// The LEDMatrixDriver class instance
LEDMatrixDriver lmd(LEDMATRIX_SEGMENTS, LEDMATRIX_CS_PIN);
signed int x=LEDMATRIX_WIDTH; // start top left
// This is the font definition. You can use http://gurgleapps.com/tools/matrix to create your own font or sprites.
// If you like the font feel free to use it. I created it myself and donate it to the public domain.
// 2018-11-10 - Adlerweb: Added &
byte font[95][8] = { {0,0,0,0,0,0,0,0}, // SPACE
{0x10,0x18,0x18,0x18,0x18,0x00,0x18,0x18}, // EXCL !
{0x28,0x28,0x08,0x00,0x00,0x00,0x00,0x00}, // QUOT "
{0x00,0x0a,0x7f,0x14,0x28,0xfe,0x50,0x00}, // #
{0x10,0x38,0x54,0x70,0x1c,0x54,0x38,0x10}, // $
{0x00,0x60,0x66,0x08,0x10,0x66,0x06,0x00}, // %
{0x00,0x30,0x48,0x48,0x48,0x34,0x48,0x34}, // &
{0x00,0x10,0x18,0x18,0x08,0x00,0x00,0x00}, // '
{0x02,0x04,0x08,0x08,0x08,0x08,0x08,0x04}, // (
{0x40,0x20,0x10,0x10,0x10,0x10,0x10,0x20}, // )
{0x00,0x10,0x54,0x38,0x10,0x38,0x54,0x10}, // *
{0x00,0x08,0x08,0x08,0x7f,0x08,0x08,0x08}, // +
{0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x08}, // COMMA ,
{0x00,0x00,0x00,0x00,0x7e,0x00,0x00,0x00}, // -
{0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x06}, // DOT .
{0x00,0x04,0x04,0x08,0x10,0x20,0x40,0x40}, // /
{0x00,0x38,0x44,0x4c,0x54,0x64,0x44,0x38}, // 0
{0x04,0x0c,0x14,0x24,0x04,0x04,0x04,0x04}, // 1
{0x00,0x30,0x48,0x04,0x04,0x38,0x40,0x7c}, // 2
{0x00,0x38,0x04,0x04,0x18,0x04,0x44,0x38}, // 3
{0x00,0x04,0x0c,0x14,0x24,0x7e,0x04,0x04}, // 4
{0x00,0x7c,0x40,0x40,0x78,0x04,0x04,0x38}, // 5
{0x00,0x38,0x40,0x40,0x78,0x44,0x44,0x38}, // 6
{0x00,0x7c,0x04,0x04,0x08,0x08,0x10,0x10}, // 7
{0x00,0x3c,0x44,0x44,0x38,0x44,0x44,0x78}, // 8
{0x00,0x38,0x44,0x44,0x3c,0x04,0x04,0x78}, // 9
{0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00}, // :
{0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x08}, // ;
{0x00,0x10,0x20,0x40,0x80,0x40,0x20,0x10}, // <
{0x00,0x00,0x7e,0x00,0x00,0xfc,0x00,0x00}, // =
{0x00,0x08,0x04,0x02,0x01,0x02,0x04,0x08}, // >
{0x00,0x38,0x44,0x04,0x08,0x10,0x00,0x10}, // ?
{0x00,0x30,0x48,0xba,0xba,0x84,0x78,0x00}, // @
{0x00,0x1c,0x22,0x42,0x42,0x7e,0x42,0x42}, // A
{0x00,0x78,0x44,0x44,0x78,0x44,0x44,0x7c}, // B
{0x00,0x3c,0x44,0x40,0x40,0x40,0x44,0x7c}, // C
{0x00,0x7c,0x42,0x42,0x42,0x42,0x44,0x78}, // D
{0x00,0x78,0x40,0x40,0x70,0x40,0x40,0x7c}, // E
{0x00,0x7c,0x40,0x40,0x78,0x40,0x40,0x40}, // F
{0x00,0x3c,0x40,0x40,0x5c,0x44,0x44,0x78}, // G
{0x00,0x42,0x42,0x42,0x7e,0x42,0x42,0x42}, // H
{0x00,0x7c,0x10,0x10,0x10,0x10,0x10,0x7e}, // I
{0x00,0x7e,0x02,0x02,0x02,0x02,0x04,0x38}, // J
{0x00,0x44,0x48,0x50,0x60,0x50,0x48,0x44}, // K
{0x00,0x40,0x40,0x40,0x40,0x40,0x40,0x7c}, // L
{0x00,0x82,0xc6,0xaa,0x92,0x82,0x82,0x82}, // M
{0x00,0x42,0x42,0x62,0x52,0x4a,0x46,0x42}, // N
{0x00,0x3c,0x42,0x42,0x42,0x42,0x44,0x38}, // O
{0x00,0x78,0x44,0x44,0x48,0x70,0x40,0x40}, // P
{0x00,0x3c,0x42,0x42,0x52,0x4a,0x44,0x3a}, // Q
{0x00,0x78,0x44,0x44,0x78,0x50,0x48,0x44}, // R
{0x00,0x38,0x40,0x40,0x38,0x04,0x04,0x78}, // S
{0x00,0x7e,0x90,0x10,0x10,0x10,0x10,0x10}, // T
{0x00,0x42,0x42,0x42,0x42,0x42,0x42,0x3e}, // U
{0x00,0x42,0x42,0x42,0x42,0x44,0x28,0x10}, // V
{0x80,0x82,0x82,0x92,0x92,0x92,0x94,0x78}, // W
{0x00,0x42,0x42,0x24,0x18,0x24,0x42,0x42}, // X
{0x00,0x44,0x44,0x28,0x10,0x10,0x10,0x10}, // Y
{0x00,0x7c,0x04,0x08,0x7c,0x20,0x40,0xfe}, // Z
// (the font does not contain any lower case letters. you can add your own.)
}; // {}, //
// Marquee text
String text = "** ADLERWEB//BITBASTELEI ** WWW.ADLERWEB.INFO ** YOUTUBE.COM/USER/ADLERWEB **";
// Marquee speed
signed int animDelay = 50;
os_timer_t animTimer;
bool animate = false;
LOCAL void animateCallback(void *arg) {
animate = true;
}
void setup() {
// init the display
lmd.setEnabled(true);
lmd.setIntensity(0); // 0 = low, 10 = high
Serial.begin(115200);
Serial.println(F("\n\nLEDMatrix boot"));
os_timer_setfn(&animTimer, (os_timer_func_t *)animateCallback, NULL);
os_timer_arm(&animTimer, animDelay, true);
animate = true;
}
void draw(void) {
signed int len = text.length(); //We later use it for negative stuff
char char_array[len+1];
strcpy(char_array, text.c_str());
drawString(char_array, len, x, 0);
lmd.display();
x--;
Serial.print("X: ");
Serial.print(x);
Serial.print("L: ");
Serial.print(len);
Serial.print("C: ");
Serial.println((len * -8));
if( x < (len * -8) )
x = LEDMATRIX_WIDTH;
}
void comm(void) {
//Serial Comm
if(Serial.available()) {
char in = Serial.read();
switch(in) {
case 's':
text = "";
do {
in = Serial.read();
if(in != '\n') text += in;
} while(in != '\n');
text.toUpperCase();
lmd.clear();
lmd.display();
x=LEDMATRIX_WIDTH;
if(animDelay <= 0) x=0;
draw();
Serial.print(F("\nText changed to: "));
Serial.println(text);
break;
case 'b':
in = Serial.parseInt();
in = constrain(in, 0, 10);
lmd.setIntensity(in);
Serial.print(F("\nIntensity changed to: "));
Serial.println(in);
break;
case 'd':
animDelay = Serial.parseInt();
Serial.print(F("\nAnimation delay changed to: "));
Serial.println(animDelay);
os_timer_disarm(&animTimer);
os_timer_arm(&animTimer, animDelay, true);
break;
case 'f':
os_timer_disarm(&animTimer);
if(animDelay > 0) animDelay *= -1;
Serial.println(F("\nFreeze"));
break;
case 'm':
if(animDelay < 0) animDelay *= -1;
os_timer_disarm(&animTimer);
os_timer_arm(&animTimer, animDelay, true);
Serial.println(F("\nMove"));
break;
case 'h':
case '?':
Serial.println(F("\nb<1-10>: Brightness | d<0-128>: Scroll delay | s<text>: Change Text | f: freeze | m: move"));
break;
}
}
}
void loop()
{
if(animate) {
animate=false;
Serial.print('.');
draw();
}
comm();
}
/**
* This function draws a string of the given length to the given position.
*/
void drawString(char* text, int len, int x, int y )
{
for( int idx = 0; idx < len; idx ++ )
{
int c = text[idx] - 32;
// stop if char is outside visible area
if( x + idx * 8 > LEDMATRIX_WIDTH )
return;
// only draw if char is visible
if( 8 + x + idx * 8 > 0 )
drawSprite( font[c], x + idx * 8, y, 8, 8 );
}
}
/**
* This draws a sprite to the given position using the width and height supplied (usually 8x8)
*/
void drawSprite( byte* sprite, int x, int y, int width, int height )
{
// The mask is used to get the column bit from the sprite row
byte mask = B10000000;
for( int iy = 0; iy < height; iy++ )
{
for( int ix = 0; ix < width; ix++ )
{
lmd.setPixel(x + ix, y + iy, (bool)(sprite[iy] & mask ));
// shift the mask by one pixel to the right
mask = mask >> 1;
}
// reset column mask
mask = B10000000;
}
}
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