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| #include <LedControl.h>
#include <MD_MAX72xx.h>
//There will be 3 states, ONE, TWO, THREE, (+ one default called ZERO), each state is a sprite animation on the 8x8 LedMatrix,
//with the push of a button the states will go from one to an other
//Using a MAX7219
// pin 12 is connected to the DataIn
//pin 11 is connected to the CLK
//pin 10 is connected to LOAD
//pin 2 is connected to switch
#define button 2
LedControl display = LedControl(12, 11, 10, 1);
int state = 0; //integrer to hold current state
int old = 0; //integrer to hold last state
int buttonPoll = 0; //integrer to hold button state
const uint64_t ZERO[] PROGMEM = {
0x3c4281818181423c,
0x003c424242423c00,
0x0000182424180000,
0x0000001818000000,
0x0000182424180000,
0x0018244242241800,
0x003c424242423c00,
0x3c4281818181423c,
0x6681810000818166,
0x8100000000000081,
0x4281000000008142
};
const int ZERO_LEN = sizeof(ZERO) / 8;
const uint64_t ONE[] PROGMEM = {
0x3c4201010101023c,
0x3c0201010101423c,
0x1c0201010181423c,
0x0c0201018181423c,
0x040201818181423c,
0x000281818181423c,
0x004081818181423c,
0x204080818181423c,
0x304080808181423c,
0x384080808081423c,
0x3c4080808080423c,
0x3c4280808080403c,
0x3c42818080804038,
0x3c42818180804030,
0x3c42818181804020,
0x3c42818181814000,
0x3c42818181810200,
0x3c42818181010204,
0x3c4281810101020c,
0x3c4281010101021c
};
const int ONE_LEN = sizeof(ZERO) / 8;
const uint64_t TWO[] PROGMEM = {
0x0c0e0c0800000000,
0x0002070f00000000,
0x000000000f070200,
0x00000000080c0e0c,
0x0000000010307030,
0x00000000f0e04000,
0x0040e0f000000000,
0x3070301000000000
};
const int TWO_LEN = sizeof(ZERO) / 8;
const uint64_t THREE[] PROGMEM = {
0x3c4e8d9999b1723c,
0x3c46879db9e1623c,
0x3c4287bffde1423c,
0x3c4281ffff81423c,
0x3c42e1f99f87423c,
0x3c62f1b99d8f463c,
0x3c72b199998d4e3c,
0x3c5a999999995a3c
};
const int THREE_LEN = sizeof(ZERO) / 8;
void setup() {
pinMode (button, INPUT); //button set as input
display.shutdown(0, false);
/* Set the brightness to a medium values */
display.setIntensity(0, 7);
/* and clear the display */
display.clearDisplay(0);
}
void displayImage(uint64_t image) {
for (int i = 0; i < 8; i++) {
byte row = (image >> i * 8) & 0xFF;
for (int j = 0; j < 8; j++) {
display.setLed(0, i, j, bitRead(row, j));
}
}
}
int i = 0;
void loop() {
//debouncing routine to read button
buttonPoll = digitalRead(button); //poll the state of button
if (buttonPoll == 1) { //check if it has been pressed
delay(10); //wait 50ms
buttonPoll = digitalRead(button); //poll button again
if (buttonPoll == 0) { //if it is 0 considered one press
state = old + 1; //increase state by 1
}
}
else { //if button has not been pressed
delay(10); //wait 50ms
}
switch (state) { //react to button press & state
case 1: // if state is 1
//insert ONE
/*wheel pattern */
uint64_t one;
memcpy_P(&one, &ONE[i], 8);
displayImage(one);
if (++i >= ONE_LEN ) {
i = 0;
}
delay(100);
old = state;
break;
case 2:
uint64_t two;
memcpy_P(&two, &TWO[i], 8);
displayImage(two);
if (++i >= TWO_LEN ) {
i = 0;
}
delay(100);
old = state;
break;
case 3:
//insert THREE
uint64_t three;
memcpy_P(&three, &THREE[i], 8);
displayImage(three);
if (++i >= THREE_LEN ) {
i = 0;
}
delay(100);
old = state;
break;
default:
//insert ZERO
//if state is not 1,2,3
uint64_t zero;
memcpy_P(&zero, &ZERO[i], 8);
displayImage(zero);
if (++i >= ZERO_LEN ) {
i = 0;
}
delay(100);
old = 0;
break;
}
} |
Matrice Led 8x8 et state machine : problèmes
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Envoyé par Guesset
. J'ai écrit cela un peu rapidement en oubliant au passage la déclaration PROGMEM. On peut aussi charger l'affichage de l'image de travailler octet par octet avec un code légèrement démarqué du code original (pas ma proposition de variante).
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