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@@ -45,6 +45,11 @@ unsigned long debouncingMicros[ROWS][COLS]; |
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// Other state variables |
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int ledIntensity = 1; // Min 0 - Max 255 |
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// Protocol state |
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#define GEMINI 0 |
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#define TXBOLT 1 |
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int protocol = GEMINI; |
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// This is called when the keyboard is connected |
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void setup() { |
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Serial.begin(9600); |
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@@ -152,27 +157,12 @@ void readKeys() { |
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digitalWrite(rowPins[i], HIGH); |
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} |
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} |
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// Send current chord over serial using the Gemini protocol. If there are fn keys |
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// pressed, delegate to the corresponding function instead. |
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// In future versions, there should also be a way to handle fn keys presses before |
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// they are released, eg. for mouse emulation functionality or custom key presses. |
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void sendChord() { |
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// Send current chord over serial using the Gemini protocol. |
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void sendChordGemini() { |
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// Initialize chord bytes |
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byte chordBytes[] = {B10000000, B0, B0, B0, B0, B0}; |
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// If fn keys have been pressed, delegate to corresponding method and return |
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if (currentChord[0][5] && currentChord[1][5]) { |
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fn1fn2(); |
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return; |
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} else if (currentChord[0][5]) { |
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fn1(); |
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return; |
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} else if (currentChord[1][5]) { |
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fn2(); |
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return; |
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} |
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// Byte 0 |
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if (currentChord[2][4]) { |
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chordBytes[0] = B10000001; |
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@@ -260,14 +250,117 @@ void sendChord() { |
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} |
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} |
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void sendChordTxBolt() { |
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byte chordBytes[] = {B0, B0, B0, B0, B0}; |
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int index = 0; |
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// TX Bolt uses a variable length packet. Only those bytes that have active |
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// keys are sent. The header bytes indicate which keys are being sent. They |
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// must be sent in order. It is a good idea to send a zero after every packet. |
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// 00XXXXXX 01XXXXXX 10XXXXXX 110XXXXX |
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// HWPKTS UE*OAR GLBPRF #ZDST |
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// byte 1 |
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// S- |
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if (currentChord[0][0] || currentChord[1][0]) chordBytes[0] += B00000001; |
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// T- |
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if (currentChord[0][1]) chordBytes[index] += B00000010; |
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// K- |
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if (currentChord[1][1]) chordBytes[index] += B00000100; |
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// P- |
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if (currentChord[0][2]) chordBytes[index] += B00001000; |
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// W- |
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if (currentChord[1][2]) chordBytes[index] += B00010000; |
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// H- |
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if (currentChord[0][3]) chordBytes[index] += B00100000; |
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// Increment the index if the current byte has any keys set. |
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if (chordBytes[index]) index++; |
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// byte 2 |
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// R- |
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if (currentChord[1][3]) chordBytes[index] += B01000001; |
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// A |
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if (currentChord[2][0]) chordBytes[index] += B01000010; |
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// O |
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if (currentChord[2][1]) chordBytes[index] += B01000100; |
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// * |
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if (currentChord[0][4] || currentChord[1][4]) chordBytes[index] += B01001000; |
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// E |
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if (currentChord[2][2]) chordBytes[index] += B01010000; |
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// U |
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if (currentChord[2][3]) chordBytes[index] += B01100000; |
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// Increment the index if the current byte has any keys set. |
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if (chordBytes[index]) index++; |
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// byte 3 |
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// -F |
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if (currentChord[3][0]) chordBytes[index] += B10000001; |
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// -R |
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if (currentChord[4][0]) chordBytes[index] += B10000010; |
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// -P |
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if (currentChord[3][1]) chordBytes[index] += B10000100; |
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// -B |
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if (currentChord[4][1]) chordBytes[index] += B10001000; |
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// -L |
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if (currentChord[3][2]) chordBytes[index] += B10010000; |
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// -G |
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if (currentChord[4][2]) chordBytes[index] += B10100000; |
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// Increment the index if the current byte has any keys set. |
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if (chordBytes[index]) index++; |
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// byte 4 |
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// -T |
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if (currentChord[3][3]) chordBytes[index] += B11000001; |
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// -S |
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if (currentChord[4][3]) chordBytes[index] += B11000010; |
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// -D |
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if (currentChord[3][4]) chordBytes[index] += B11000100; |
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// -Z |
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if (currentChord[4][3]) chordBytes[index] += B11001000; |
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// # |
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if (currentChord[2][4]) chordBytes[index] += B11010000; |
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// Increment the index if the current byte has any keys set. |
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if (chordBytes[index]) index++; |
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// Now we have index bytes followed by a zero byte where 0 < index <= 4. |
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index++; // Increment index to include the trailing zero byte. |
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for (int i = 0; i < index; i++) { |
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Serial.write(chordBytes[i]); |
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} |
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} |
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// Send the chord using the current protocol. If there are fn keys |
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// pressed, delegate to the corresponding function instead. |
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// In future versions, there should also be a way to handle fn keys presses before |
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// they are released, eg. for mouse emulation functionality or custom key presses. |
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void sendChord() { |
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// If fn keys have been pressed, delegate to corresponding method and return |
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if (currentChord[0][5] && currentChord[1][5]) { |
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fn1fn2(); |
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return; |
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} else if (currentChord[0][5]) { |
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fn1(); |
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return; |
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} else if (currentChord[1][5]) { |
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fn2(); |
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return; |
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} |
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if (protocol == GEMINI) { |
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sendChordGemini(); |
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} else { |
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sendChordTxBolt(); |
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} |
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} |
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// This function is called when only "fn1" key has been pressed. |
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void fn1() { |
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protocol = GEMINI; |
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} |
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// This function is called when only "fn2" key has been pressed. |
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void fn2() { |
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protocol = TXBOLT; |
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} |
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// This function is called when both "fn1" and "fn1" key has been pressed. |