Carlos GS / Mbed 2 deprecated blip_textoLEDs

Muestra texto en la matriz de LEDs

Dependencies:   PixelArray mbed

main.cpp@0:ecf0f187117c, 2016-01-18 (annotated)

Committer:
carlosgs
Date:
Mon Jan 18 15:10:52 2016 +0000
Revision:
0:ecf0f187117c
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
carlosgs 0:ecf0f187117c 1 // Display de texto con scrolling
carlosgs 0:ecf0f187117c 2 // Basado en: https://github.com/hack-miniblip/hack-miniblip.github.io/tree/master/ejemplos/iluminandoLetras
carlosgs 0:ecf0f187117c 3 // Autores: @javacasm, @neon520, @juanAFernandez, @carlosgs
carlosgs 0:ecf0f187117c 4
carlosgs 0:ecf0f187117c 5 #include "mbed.h"
carlosgs 0:ecf0f187117c 6 #include "neopixel.h"
carlosgs 0:ecf0f187117c 7
carlosgs 0:ecf0f187117c 8 // Matrix led output pin
carlosgs 0:ecf0f187117c 9 #define DATA_PIN P0_9
carlosgs 0:ecf0f187117c 10
carlosgs 0:ecf0f187117c 11 void fill_pixel(neopixel::Pixel buffer[25], int x, int y, int red, int green, int blue){
carlosgs 0:ecf0f187117c 12
carlosgs 0:ecf0f187117c 13 if(x<0) x=0;
carlosgs 0:ecf0f187117c 14 if(x>4) x=4;
carlosgs 0:ecf0f187117c 15 if(y<0) y=0;
carlosgs 0:ecf0f187117c 16 if(y>4) y=4;
carlosgs 0:ecf0f187117c 17
carlosgs 0:ecf0f187117c 18
carlosgs 0:ecf0f187117c 19 int posicion=x+y*5;
carlosgs 0:ecf0f187117c 20 buffer[posicion].red=red;
carlosgs 0:ecf0f187117c 21 buffer[posicion].green=green;
carlosgs 0:ecf0f187117c 22 buffer[posicion].blue=blue;
carlosgs 0:ecf0f187117c 23
carlosgs 0:ecf0f187117c 24 }
carlosgs 0:ecf0f187117c 25
carlosgs 0:ecf0f187117c 26 void void_matrix(neopixel::Pixel aux[25], int tam=25){
carlosgs 0:ecf0f187117c 27
carlosgs 0:ecf0f187117c 28 for(int i=0;i<tam;i++){
carlosgs 0:ecf0f187117c 29 aux[i].red=0;
carlosgs 0:ecf0f187117c 30 aux[i].green=0;
carlosgs 0:ecf0f187117c 31 aux[i].blue=0;
carlosgs 0:ecf0f187117c 32 }
carlosgs 0:ecf0f187117c 33 }
carlosgs 0:ecf0f187117c 34
carlosgs 0:ecf0f187117c 35 //r: intensidadRojo
carlosgs 0:ecf0f187117c 36 //g: intensidadVerde
carlosgs 0:ecf0f187117c 37 //b: intensidadAzul
carlosgs 0:ecf0f187117c 38 void generaLetra(neopixel::Pixel vector[], char letra, int red, int green, int blue, int scroll){
carlosgs 0:ecf0f187117c 39
carlosgs 0:ecf0f187117c 40 /*
carlosgs 0:ecf0f187117c 41 * Cada letra tiene 5 valores en hexadecimal que representan en binario cada fila de la matrix 5x5 (aunque sobren 3 bits)
carlosgs 0:ecf0f187117c 42 */
carlosgs 0:ecf0f187117c 43 unsigned char espacio[5]={0x0, 0x0, 0x0, 0x0, 0x0};
carlosgs 0:ecf0f187117c 44 unsigned char a[5]={0x88, 0x88, 0xF8, 0x88, 0x70};
carlosgs 0:ecf0f187117c 45 unsigned char b[5]={0xF0, 0x88, 0xF0, 0x88, 0xF0};
carlosgs 0:ecf0f187117c 46 unsigned char c[5]={0x78, 0x80, 0x80, 0x80, 0x78};
carlosgs 0:ecf0f187117c 47 unsigned char d[5]={0xF0, 0x88, 0x88, 0x88, 0xF0};
carlosgs 0:ecf0f187117c 48 unsigned char e[5]={0xF8, 0x80, 0xF8, 0x80, 0xF8};
carlosgs 0:ecf0f187117c 49 unsigned char f[5]={0x80, 0x80, 0xE0, 0x80, 0xF8};
carlosgs 0:ecf0f187117c 50 unsigned char g[5]={0x78, 0x88, 0xB8, 0x80, 0x78};
carlosgs 0:ecf0f187117c 51 unsigned char h[5]={0x88, 0x88, 0xF8, 0x88, 0x88};
carlosgs 0:ecf0f187117c 52 unsigned char i[5]={0x70, 0x20, 0x20, 0x20, 0x70};
carlosgs 0:ecf0f187117c 53 unsigned char j[5]={0x70, 0x88, 0x8, 0x8, 0x38};
carlosgs 0:ecf0f187117c 54 unsigned char k[5]={0x88, 0x88, 0xF0, 0xA0, 0x90};
carlosgs 0:ecf0f187117c 55 unsigned char l[5]={0xF8, 0x80, 0x80, 0x80, 0x80};
carlosgs 0:ecf0f187117c 56 unsigned char m[5]={0x88, 0x88, 0xA8, 0xD8, 0x88};
carlosgs 0:ecf0f187117c 57 unsigned char n[5]={0x98, 0xA8, 0xA8, 0xA8, 0xC8};
carlosgs 0:ecf0f187117c 58 unsigned char gn[5]={0x98, 0xA8, 0xA8, 0xA8, 0xC8}; // es la ñ
carlosgs 0:ecf0f187117c 59 unsigned char o[5]={0x70, 0x88, 0x88, 0x88, 0x70};
carlosgs 0:ecf0f187117c 60 unsigned char p[5]={0x80, 0x80, 0x78, 0x88, 0x78};
carlosgs 0:ecf0f187117c 61 unsigned char q[5]={0x78, 0x90, 0x90, 0x90, 0x60};
carlosgs 0:ecf0f187117c 62 unsigned char r[5]={0x88, 0x90, 0xF0, 0x88, 0xF0};
carlosgs 0:ecf0f187117c 63 unsigned char s[5]={0xF0, 0x8, 0x70, 0x80, 0x78};
carlosgs 0:ecf0f187117c 64 unsigned char t[5]={0x20, 0x20, 0x20, 0x20, 0xF8};
carlosgs 0:ecf0f187117c 65 unsigned char u[5]={0x70,0x88,0x88,0x88,0x88};
carlosgs 0:ecf0f187117c 66 unsigned char v[5]={0x20,0x50,0x50,0x88,0x88};
carlosgs 0:ecf0f187117c 67 unsigned char w[5]={0x88,0xD8,0xA8,0x88,0x88};
carlosgs 0:ecf0f187117c 68 unsigned char x[5]={0x88,0x50,0x20,0x50,0x88};
carlosgs 0:ecf0f187117c 69 unsigned char y[5]={0x20,0x20,0x70,0x88,0x88};
carlosgs 0:ecf0f187117c 70 unsigned char z[5]={0xF8,0x80,0x70,0x8,0xF8};
carlosgs 0:ecf0f187117c 71
carlosgs 0:ecf0f187117c 72
carlosgs 0:ecf0f187117c 73 //unsigned char l0[0]=
carlosgs 0:ecf0f187117c 74
carlosgs 0:ecf0f187117c 75
carlosgs 0:ecf0f187117c 76 //Montamos un vector de vectores:
carlosgs 0:ecf0f187117c 77 unsigned char *vectorPunteros []={a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z};
carlosgs 0:ecf0f187117c 78
carlosgs 0:ecf0f187117c 79 //Con la letra recibida le restamos 26 y tenemos la posicion del vector.
carlosgs 0:ecf0f187117c 80 //Para moverlo por los vectores.
carlosgs 0:ecf0f187117c 81 unsigned char *puntero;
carlosgs 0:ecf0f187117c 82 if (letra==32) //Se trata de un espacio
carlosgs 0:ecf0f187117c 83 puntero=espacio;
carlosgs 0:ecf0f187117c 84 else
carlosgs 0:ecf0f187117c 85 //a= al valor 97
carlosgs 0:ecf0f187117c 86 puntero=vectorPunteros[(letra-'a')];
carlosgs 0:ecf0f187117c 87
carlosgs 0:ecf0f187117c 88
carlosgs 0:ecf0f187117c 89 //Vamos a recorrer todo el vector de bytes
carlosgs 0:ecf0f187117c 90 for(int i=0; i<5; i++){
carlosgs 0:ecf0f187117c 91
carlosgs 0:ecf0f187117c 92 unsigned char elemento = puntero[i];
carlosgs 0:ecf0f187117c 93 unsigned int mask=0x80;
carlosgs 0:ecf0f187117c 94 //Nos movemos por 5 bits de los 8
carlosgs 0:ecf0f187117c 95 for(int x=0; x<5; x++){
carlosgs 0:ecf0f187117c 96 if (elemento & mask)
carlosgs 0:ecf0f187117c 97 if(x+scroll >= 0 && x+scroll < 5)
carlosgs 0:ecf0f187117c 98 fill_pixel(vector, x+scroll,i, red, green, blue);
carlosgs 0:ecf0f187117c 99 //Desplazamos 1 bit
carlosgs 0:ecf0f187117c 100 mask >>=1;
carlosgs 0:ecf0f187117c 101 }
carlosgs 0:ecf0f187117c 102 }
carlosgs 0:ecf0f187117c 103 }
carlosgs 0:ecf0f187117c 104
carlosgs 0:ecf0f187117c 105 void iluminaTexto(char cadena[], neopixel::PixelArray array, int r, int g, int b){
carlosgs 0:ecf0f187117c 106
carlosgs 0:ecf0f187117c 107 //Creamos un vector de pixeles.
carlosgs 0:ecf0f187117c 108 neopixel::Pixel letra[25];
carlosgs 0:ecf0f187117c 109 //Inicializamos el vector a 0
carlosgs 0:ecf0f187117c 110 void_matrix(letra);
carlosgs 0:ecf0f187117c 111
carlosgs 0:ecf0f187117c 112 char letraAnterior = ' ';
carlosgs 0:ecf0f187117c 113
carlosgs 0:ecf0f187117c 114 for(int i=0; i<strlen(cadena); i++){
carlosgs 0:ecf0f187117c 115
carlosgs 0:ecf0f187117c 116 for(int scroll=0; scroll<7; scroll++){
carlosgs 0:ecf0f187117c 117 //Generamos la letra en el vector letra
carlosgs 0:ecf0f187117c 118 generaLetra(letra, letraAnterior, r, g, b, -scroll-2);
carlosgs 0:ecf0f187117c 119 generaLetra(letra, cadena[i], r, g, b, 5-scroll);
carlosgs 0:ecf0f187117c 120 //Iluminamos la matriz
carlosgs 0:ecf0f187117c 121 array.update(letra, 25);
carlosgs 0:ecf0f187117c 122 //Esperamos
carlosgs 0:ecf0f187117c 123 wait_ms(60);
carlosgs 0:ecf0f187117c 124 //Reseteamos la matriz
carlosgs 0:ecf0f187117c 125 void_matrix(letra);
carlosgs 0:ecf0f187117c 126 }
carlosgs 0:ecf0f187117c 127 letraAnterior = cadena[i];
carlosgs 0:ecf0f187117c 128 }
carlosgs 0:ecf0f187117c 129
carlosgs 0:ecf0f187117c 130
carlosgs 0:ecf0f187117c 131 }
carlosgs 0:ecf0f187117c 132
carlosgs 0:ecf0f187117c 133 PwmOut speaker(P0_8);
carlosgs 0:ecf0f187117c 134
carlosgs 0:ecf0f187117c 135 int main()
carlosgs 0:ecf0f187117c 136 {
carlosgs 0:ecf0f187117c 137 // Turn off miniblip buzzer
carlosgs 0:ecf0f187117c 138 speaker=0.0;
carlosgs 0:ecf0f187117c 139
carlosgs 0:ecf0f187117c 140 // Create a temporary DigitalIn so we can configure the pull-down resistor.
carlosgs 0:ecf0f187117c 141 DigitalIn(DATA_PIN, PullDown);
carlosgs 0:ecf0f187117c 142
carlosgs 0:ecf0f187117c 143 // The pixel array control class.
carlosgs 0:ecf0f187117c 144 //Se está creando un objeto de tipo PixelArray y se está nombrando como array a la que se le está pasando DATA_PIN
carlosgs 0:ecf0f187117c 145 neopixel::PixelArray array(DATA_PIN);
carlosgs 0:ecf0f187117c 146
carlosgs 0:ecf0f187117c 147 char greeting[] = "hola mundo ";
carlosgs 0:ecf0f187117c 148
carlosgs 0:ecf0f187117c 149 while (1) {
carlosgs 0:ecf0f187117c 150 int r = 0;
carlosgs 0:ecf0f187117c 151 int g = rand()%30;
carlosgs 0:ecf0f187117c 152 int b = rand()%30;
carlosgs 0:ecf0f187117c 153
carlosgs 0:ecf0f187117c 154 if (rand()%10 < 3){
carlosgs 0:ecf0f187117c 155 r = rand()%30;
carlosgs 0:ecf0f187117c 156 g = 0;
carlosgs 0:ecf0f187117c 157 b = 0;
carlosgs 0:ecf0f187117c 158 }
carlosgs 0:ecf0f187117c 159
carlosgs 0:ecf0f187117c 160 iluminaTexto(greeting, array, r,g,b);
carlosgs 0:ecf0f187117c 161 wait_ms(500);
carlosgs 0:ecf0f187117c 162 }
carlosgs 0:ecf0f187117c 163 }