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- /* tutorial_4a_split_keyboard_with_shift_registers.ino
- Tested on Teensy LC and two 74HC165 shift registers.
-
- The right matrix has 2 shift registers daisy chained.
-
- Layout Layout
- | Left |**0** | Right |**0**|**1**|**2**|**3**|**4**|**5**|**6**|**7**|
- |:-----:|-----| |:-----:|-----|-----|-----|-----|-----|-----|-----|-----|
- | **0** | x | | **0** | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
- | **1** | y | | **1** | a | b | c | d | e | f | g | h |
- */
- // ################## GLOBAL ###################
- // ================= INCLUDES ==================
- #include <ScanDelay.h>
- #include <Code_Sc.h>
-
- //Left matrix
- #include <Row_uC.h>
-
- //Right matrix
- #include <SPI.h>
- #include <Row_ShiftRegisters.h>
-
- // =============== CONFIGURATION ===============
- ScanDelay scanDelay(9000);
-
- // =================== CODES ===================
- Code_Sc s_a(KEY_A);
- Code_Sc s_b(KEY_B);
- Code_Sc s_c(KEY_C);
- Code_Sc s_d(KEY_D);
- Code_Sc s_e(KEY_E);
- Code_Sc s_f(KEY_F);
- Code_Sc s_g(KEY_G);
-
- Code_Sc s_x(KEY_X);
- Code_Sc s_y(KEY_Y);
-
- Code_Sc s_0(KEY_0);
- Code_Sc s_1(KEY_1);
- Code_Sc s_2(KEY_2);
- Code_Sc s_3(KEY_3);
- Code_Sc s_4(KEY_4);
- Code_Sc s_5(KEY_5);
- Code_Sc s_6(KEY_6);
-
- // =============== LEFT MATRIX =================
- //set left matrix for active low
- const bool Scanner_uC::STROBE_ON = LOW;
- const bool Scanner_uC::STROBE_OFF = HIGH;
-
- //column pin
- uint8_t readPins[] = {14};
- uint8_t READ_PIN_COUNT = sizeof(readPins)/sizeof(*readPins);
-
- //rows
- Key* ptrsKeys_L0[] = { &s_x };
- Row_uC row_L0(0, readPins, READ_PIN_COUNT, ptrsKeys_L0);
-
- Key* ptrsKeys_L1[] = { &s_y };
- Row_uC row_L1(1, readPins, READ_PIN_COUNT, ptrsKeys_L1);
-
- // =============== RIGHT MATRIX ================
- //set matrix to active high
- const bool Scanner_ShiftRegs74HC165::STROBE_ON = HIGH;
- const bool Scanner_ShiftRegs74HC165::STROBE_OFF = LOW;
-
- //chip select pin
- const uint8_t Scanner_ShiftRegs74HC165::SHIFT_LOAD = 10;
-
- //rows
- Key* ptrsKeys_R0[] = { &s_6, &s_5, &s_4, &s_3, //shift regiser on right
- &s_c, &s_d, &s_e, &s_f,
- &s_2, &s_1, &s_0, &s_g, //shift regiser on left
- &s_a, &s_b }; //unused input pins are grounded
- Row_ShiftRegisters row_R0(0, sizeof(ptrsKeys_R0)/sizeof(*ptrsKeys_R0), ptrsKeys_R0);
-
- // ################### MAIN ####################
- void setup()
- {
- Keyboard.begin();
- SPI.begin();
- row_R0.begin();
- }
-
- void loop()
- {
- //left matrix
- row_L0.process();
- row_L1.process();
-
- //right matrix
- row_R0.process();
-
- scanDelay.delay();
- }
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