221 řádky
3.1 KiB
Arduino
221 řádky
3.1 KiB
Arduino
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#define HWSERIAL Serial1
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void setup() {
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Serial.begin(9600);
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HWSERIAL.begin(9600);
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}
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const unsigned long sleeptime = 2500;
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unsigned long sleep = 0;
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int aread = 0;
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boolean bounce = 0;
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// array to hold analog values for each column
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int col[12];
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// array to hold high and low values for each range
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int range[16][2] = {
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{1009, 1024},
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{204, 215},
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{343, 352},
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{146, 152},
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{507, 518},
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{170, 176},
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{255, 260},
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{126, 134},
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{686, 701},
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{186, 192},
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{295, 302},
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{137, 142},
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{409, 416},
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{157, 162},
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{227, 238},
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{118, 125}
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};
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// convert to switch positions
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boolean bin[16][4] = {
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{0, 0, 0, 0},
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{1, 0, 0, 0},
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{0, 1, 0, 0},
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{1, 1, 0, 0},
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{0, 0, 1, 0},
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{1, 0, 1, 0},
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{0, 1, 1, 0},
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{1, 1, 1, 0},
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{0, 0, 0, 1},
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{1, 0, 0, 1},
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{0, 1, 0, 1},
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{1, 1, 0, 1},
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{0, 0, 1, 1},
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{1, 0, 1, 1},
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{0, 1, 1, 1},
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{1, 1, 1, 1}
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};
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// array to hold key positions
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boolean keya[12][4] = {
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0}
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};
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boolean keyb[12][4] = {
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0},
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{0, 0, 0, 0}
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};
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void loop()
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{
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LEDsleep();
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readcolumns();
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assignkeysA();
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delay(5);
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readcolumns();
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assignkeysB();
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compkeys();
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if (bounce == 0)
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{
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LEDupdate();
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SERIALupdate();
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}
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}
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void readcolumns()
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{
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byte pass = 0;
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int comp = 0;
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for (int x = 0; x < 12; x++)
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{
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aread = 0;;
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comp = 0;
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pass = 0;
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while (pass < 3)
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{
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aread = analogRead(x + 14);
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if (aread != comp)
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{
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pass = 0;
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}
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comp = aread;
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pass++;
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}
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col[x] = aread;
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}
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}
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void assignkeysA()
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{
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for (int c = 0; c < 12; c++)
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{
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for (int v = 0; v < 16; v++)
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{
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if ((col[c] >= range[v][0]) && (col[c] <= range[v][1]))
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{
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for (byte x = 0; x < 4; x++)
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{
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keya[c][x] = bin[v][x];
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}
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}
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}
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}
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}
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void assignkeysB()
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{
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for (int c = 0; c < 12; c++)
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{
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for (int v = 0; v < 16; v++)
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{
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if ((col[c] >= range[v][0]) && (col[c] <= range[v][1]))
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{
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for (byte x = 0; x < 4; x++)
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{
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keyb[c][x] = bin[v][x];
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}
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}
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}
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}
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}
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void compkeys()
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{
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for (int c = 0; c < 12; c++)
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{
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for (int v = 0; v < 16; v++)
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{
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bounce = 0;
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for (byte x = 0; x < 4; x++)
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{
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if (keya[c][x] != keyb[c][x])
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{
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bounce = 1;
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}
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}
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}
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}
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}
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void LEDupdate()
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{
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for (int c = 0; c < 12; c++)
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{
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for (byte r = 0; r < 4; r++)
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{
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if (keya[c][r] == 1)
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{
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sleep = 0;
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HWSERIAL.write((r * 16) + c);
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Serial.println((r * 16) + c);
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}
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}
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}
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}
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void SERIALupdate()
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{
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for (int y = 0; y < 12; y++)
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{
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Serial.print(col[y]);
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Serial.print(", ");
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}
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Serial.println();
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}
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void LEDsleep()
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{
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if (sleep < sleeptime)
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{
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sleep++;
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}
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if (sleep == sleeptime)
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{
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HWSERIAL.write(random(0, 63));
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delay(5);
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}
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}
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