Created
July 15, 2014 01:31
-
-
Save joksan/07794d61bf7915099697 to your computer and use it in GitHub Desktop.
Pantalla 40x16
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
const int totalCol = 40; | |
const int totalFil = 16; | |
int pinFil[totalFil] = { 22, 24, 26, 28, 30, 32, 34, 36, | |
38, 40, 42, 44, 46, 48, 50, 52 }; | |
int pinClk = 4; | |
int pinDout = 2; | |
int pinClr = 7; | |
bool frameBuffer[totalFil][totalCol]; | |
const bool alfabeto[26][7][5] = { | |
{ { 0, 1, 1, 1, 0 }, | |
{ 1, 0, 0, 0, 1 }, | |
{ 1, 0, 0, 0, 1 }, | |
{ 1, 1, 1, 1, 1 }, | |
{ 1, 0, 0, 0, 1 }, | |
{ 1, 0, 0, 0, 1 }, | |
{ 1, 0, 0, 0, 1 }, }, | |
{ { 1, 1, 1, 1, 0 }, | |
{ 1, 0, 0, 0, 1 }, | |
{ 1, 0, 0, 0, 1 }, | |
{ 1, 1, 1, 1, 0 }, | |
{ 1, 0, 0, 0, 1 }, | |
{ 1, 0, 0, 0, 1 }, | |
{ 1, 1, 1, 1, 0 }, }, | |
{ { 0, 1, 1, 1, 0 }, | |
{ 1, 0, 0, 0, 1 }, | |
{ 1, 0, 0, 0, 0 }, | |
{ 1, 0, 0, 0, 0 }, | |
{ 1, 0, 0, 0, 0 }, | |
{ 1, 0, 0, 0, 1 }, | |
{ 0, 1, 1, 1, 0 }, }, | |
{ { 1, 0, 0, 0, 1 }, | |
{ 1, 0, 0, 0, 1 }, | |
{ 1, 0, 0, 1, 0 }, | |
{ 1, 1, 1, 0, 0 }, | |
{ 1, 0, 0, 1, 0 }, | |
{ 1, 0, 0, 0, 1 }, | |
{ 1, 0, 0, 0, 1 }, }, | |
{ { 0, 1, 1, 1, 1 }, | |
{ 1, 0, 0, 0, 1 }, | |
{ 1, 0, 0, 0, 1 }, | |
{ 0, 1, 1, 1, 1 }, | |
{ 0, 1, 0, 0, 1 }, | |
{ 1, 0, 0, 0, 1 }, | |
{ 1, 0, 0, 0, 1 } , }, | |
{ { 0, 1, 1, 1, 0 }, | |
{ 0, 0, 1, 0, 0 }, | |
{ 0, 0, 1, 0, 0 }, | |
{ 0, 0, 1, 0, 0 }, | |
{ 0, 0, 1, 0, 0 }, | |
{ 0, 0, 1, 0, 0 }, | |
{ 0, 1, 1, 1, 0 }, }, | |
{ { 0, 1, 0, 1, 0 }, | |
{ 1, 1, 1, 1, 1 }, | |
{ 1, 1, 1, 1, 1 }, | |
{ 0, 1, 1, 1, 0 }, | |
{ 0, 0, 1, 0, 0 }, | |
{ 0, 0, 0, 0, 0 }, | |
{ 0, 0, 0, 0, 0 }, }, | |
}; | |
void setup() { | |
byte i; | |
//Inicializa los pines del 74LS1764N | |
pinMode(pinClk, OUTPUT); | |
pinMode(pinDout, OUTPUT); | |
pinMode(pinClr, OUTPUT); | |
digitalWrite(pinClk, HIGH); | |
digitalWrite(pinDout, LOW); | |
digitalWrite(pinClr, HIGH); | |
//Inicializa los pines que controlan las filas | |
for (i=0; i<totalFil; i++) { | |
pinMode(pinFil[i], OUTPUT); | |
digitalWrite(pinFil[i], LOW); | |
} | |
} | |
void loop() { | |
static byte i = 22; | |
static byte scaler = 0; | |
limpiarFrameBuffer(); | |
dibujarCadena("ABC", i, 0); | |
scaler++; | |
if (scaler >= 10) { | |
scaler = 0; | |
if (i) i--; | |
else i = 22; | |
} | |
refrescarPantalla(); | |
} | |
void dibujarLetra(char letra, byte x, byte y) { | |
byte i, j; | |
for (i=0; i<7; i++) { | |
for (j=0; j<5; j++) { | |
frameBuffer[y+i][x+j] = alfabeto[letra-'A'][i][j]; | |
} | |
} | |
} | |
void dibujarCadena(const char *texto, byte x, byte y) { | |
byte pCadena = 0; | |
while (texto[pCadena] != 0) { | |
dibujarLetra(texto[pCadena], x, y); | |
x += 6; | |
pCadena++; | |
} | |
} | |
void limpiarFrameBuffer() { | |
byte i, j; | |
for (i=0; i<13; i++) { | |
for (j=0; j<40; j++) { | |
frameBuffer[i][j] = 0; | |
} | |
} | |
} | |
void refrescarPantalla() { | |
byte i; | |
for (i=0; i<13; i++) { | |
enviarFila(i); | |
digitalWrite(pinFil[i], HIGH); | |
delay(1); | |
digitalWrite(pinFil[i], LOW); | |
} | |
} | |
void enviarFila(byte nFila) { | |
byte i; | |
digitalWrite(pinClr, LOW); | |
digitalWrite(pinClr, HIGH); | |
for (i=0; i<totalCol; i++) { | |
digitalWrite(pinDout, frameBuffer[nFila][i]); | |
digitalWrite(pinClk, LOW); | |
digitalWrite(pinClk, HIGH); | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment