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76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
#ifndef ION_DEVICE_N0200_CONFIG_KEYBOARD_H
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#define ION_DEVICE_N0200_CONFIG_KEYBOARD_H
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#include <regs/regs.h>
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#include <ion/keyboard.h>
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/* Pin | Role | Mode
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* -----+-------------------+--------------------
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* PC0 | Keyboard column 1 | Input, pulled up
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* PC1 | Keyboard column 2 | Input, pulled up
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* PC2 | Keyboard column 3 | Input, pulled up
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* PC3 | Keyboard column 4 | Input, pulled up
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* PC4 | Keyboard column 5 | Input, pulled up
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* PC5 | Keyboard column 6 | Input, pulled up
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* PA1 | Keyboard row A | Output, open drain
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* PA0 | Keyboard row B | Output, open drain
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* PA2 | Keyboard row C | Output, open drain
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* PA3 | Keyboard row D | Output, open drain
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* PA4 | Keyboard row E | Output, open drain
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* PA5 | Keyboard row F | Output, open drain
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* PA6 | Keyboard row G | Output, open drain
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* PA7 | Keyboard row H | Output, open drain
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* PA8 | Keyboard row I | Output, open drain
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*
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* The keyboard is a matrix that is laid out as follow:
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*
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* -+------+------+------+------+------+------+
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* | K_A1 | K_A2 | K_A3 | K_A4 | K_A5 | K_A6 |
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* -+------+------+------+------+------+------+
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* | K_B1 | | K_B3 | | | |
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* -+------+------+------+------+------+------+
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* | K_C1 | K_C2 | K_C3 | K_C4 | K_C5 | K_C6 |
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* -+------+------+------+------+------+------+
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* | K_D1 | K_D2 | K_D3 | K_D4 | K_D5 | K_D6 |
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* -+------+------+------+------+------+------+
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* | K_E1 | K_E2 | K_E3 | K_E4 | K_E5 | K_E6 |
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* -+------+------+------+------+------+------+
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* | K_F1 | K_F2 | K_F3 | K_F4 | K_F5 | |
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* -+------+------+------+------+------+------+
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* | K_G1 | K_G2 | K_G3 | K_G4 | K_G5 | |
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* -+------+------+------+------+------+------+
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* | K_H1 | K_H2 | K_H3 | K_H4 | K_H5 | |
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* -+------+------+------+------+------+------+
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* | K_I1 | K_I2 | K_I3 | K_I4 | K_I5 | |
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* -+------+------+------+------+------+------|
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*/
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namespace Ion {
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namespace Device {
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namespace Keyboard {
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namespace Config {
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using namespace Regs;
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constexpr GPIO RowGPIO = GPIOA;
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constexpr uint8_t numberOfRows = 9;
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constexpr uint8_t RowPins[numberOfRows] = {1, 0, 2, 3, 4, 5, 6, 7, 8};
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constexpr GPIO ColumnGPIO = GPIOC;
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constexpr uint8_t numberOfColumns = 6;
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constexpr uint8_t ColumnPins[numberOfColumns] = {0, 1, 2, 3, 4, 5};
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/* Undefined keys numbers are: 7, 9, 10, 11, 35, 41, 47 and 53
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* Therefore we want to make sure those bits are forced to zero in
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* whatever value we return. */
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inline uint64_t ValidKeys(uint64_t state) {
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return state & 0x1F7DF7FFFFF17F;
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}
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}
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}
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}
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}
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#endif
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