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- /* keybrd_3b_autoShift.ino
-
- This sketch:
- is a simple 2-layer keyboard with AutoShift
- runs on the first two rows and columns of a breadboard keyboard
-
- | Layout | **0** | **1** |
- |:------:|-------|-------|
- | **0** | shift | a ! |
- | **1** | fn | b @ |
-
- The layered keys in row 0 have two layers; one character for each layer.
- Letters 'a' and 'b' are on the normal layer. Symbols '!' and '@' are one the fn layer.
- Holding the fn key down makes it the active layer. Releasing the fn key restores the normal layer.
- */
- // ################## GLOBAL ###################
- // ================= INCLUDES ==================
-
- //Keys
- #include <Code_Sc.h>
- #include <Code_ScS.h>
- #include <Code_Shift.h>
- #include <LayerState.h>
- #include <Code_LayerHold.h>
- #include <Key_LayeredKeys.h>
-
- //Matrix
- #include <Row.h>
- #include <Scanner_uC.h>
- #include <ScanDelay.h>
-
- // ============ SPEED CONFIGURATION ============
- ScanDelay scanDelay(9000);
-
- // ================== SCANNER ==================
- uint8_t readPins[] = {14, 15};
- uint8_t readPinCount = sizeof(readPins)/sizeof(*readPins);
-
- Scanner_uC scanner(LOW, readPins, readPinCount);
-
- // =================== CODES ===================
- // ---------------- LAYER CODE -----------------
- enum layers { NORMAL, FN };
-
- LayerState layerState;
- Code_LayerHold l_fn(FN, layerState);
-
- /* ---------------- SCAN CODES -----------------
- The "Sc" in Code_Sc means "scancode".
- When a Code_Sc is pressed, it sends its scancode.
- */
- Code_Sc s_a(KEY_A);
- Code_Sc s_b(KEY_B);
-
- /* The "ScS" in Code_ScS means "scancode shifted".
- When Code_ScS is pressed, it calls Code_AutoShift before sending its scancode.
- */
- Code_ScS s_exclamation(KEY_1);
- Code_ScS s_at(KEY_2);
-
- // ----------------- SHIFT CODE ----------------
- /*
- The Code_Shift constructor takes one shift scancode.
- */
- Code_Shift s_shift(MODIFIERKEY_LEFT_SHIFT);
-
- /*
- Code_Shift pointers are placed in an array because most keyboards have a left and right shift.
- This sketch only has one shift code.
- */
- Code_Shift* const ptrsS[] = { &s_shift };
- Code_Shift* const* const Code_AutoShift::ptrsShifts = ptrsS;
- const uint8_t Code_AutoShift::shiftCount = sizeof(ptrsS)/sizeof(*ptrsS);
-
- /*
- HOW SHIFT WORKS
- When a shift key is pressed, a standard keyboard driver will temporarily modify the normal action of another key when pressed together.
- KEY_1 writes '1'
- MODIFIERKEY_LEFT_SHIFT + KEY_1 writes '!'
-
- KEY_2 writes '2'
- MODIFIERKEY_LEFT_SHIFT + KEY_2 writes '@'
-
- HOW AUTOSHIFT WORKS
- Code_ScS takes care of the MODIFIERKEY_LEFT_SHIFT automatically
- When the user presses '!' or '@' on the fn layer:
- Code_AutoShift checks the position of each shift key
- Code_ScS sends MODIFIERKEY_LEFT_SHIFT scancode if needed
- Code_ScS sends its scancode
- */
-
- // =================== KEYS ====================
- Key* const ptrsCodes_01[] = { &s_a, &s_exclamation };
- Key_LayeredKeys k_01(ptrsCodes_01);
-
- Key* const ptrsCodes_11[] = { &s_b, &s_at };
- Key_LayeredKeys k_11(ptrsCodes_11);
-
- LayerStateInterface& Key_LayeredKeys::refLayerState = layerState;
-
- // =================== ROWS ====================
- Key* const ptrsKeys_0[] = { &s_shift, &k_01 };
- uint8_t keyCount_0 = sizeof(ptrsKeys_0)/sizeof(*ptrsKeys_0);
- Row row_0(scanner, 0, ptrsKeys_0, keyCount_0);
- //Row row_0(0, readPins, READ_PIN_COUNT, ptrsKeys_0);
-
- Key* const ptrsKeys_1[] = { &l_fn, &k_11 };
- uint8_t keyCount_1 = sizeof(ptrsKeys_1)/sizeof(*ptrsKeys_1);
- Row row_1(scanner, 1, ptrsKeys_1, keyCount_1);
- //Row row_1(1, readPins, READ_PIN_COUNT, ptrsKeys_1);
-
- // ################### MAIN ####################
- void setup()
- {
- Keyboard.begin();
- }
-
- void loop()
- {
- row_0.process();
- row_1.process();
- scanDelay.delay();
- }
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