keybrd library is an open source library for creating custom-keyboard firmware.
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config_keybrd.h 1.1KB

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  1. #ifndef CONFIG_KEYBRD_H
  2. #define CONFIG_KEYBRD_H
  3. #include <inttypes.h>
  4. /* size of read_pins_t depends on the maximum number of pins scanned by RowScanner.
  5. By default, read_pins_t is set to the largest type.
  6. If your 8-bit AVR (Teensy 2) is running low on memory, using a smaller type saves SRAM.
  7. Using smaller types on a 32-bit uC (Teensy LC) would accomplish nothing.
  8. */
  9. /* Use a read_pins_t size that covers all read pins of all RowScanner objects i.e.
  10. For Scanner_uC, Scanner_uC::readPinCount
  11. For Scanner_ShiftRegs74HC165, Scanner_ShiftRegs74HC165::readPinCount
  12. For Scanner_IOE, cover the last 1 bit in Scanner_IOE::strobePin
  13. */
  14. typedef uint8_t read_pins_t;
  15. //typedef uint16_t read_pins_t;
  16. //typedef uint32_t read_pins_t;
  17. /* SAMPLE_COUNT_MACRO is used in Debouncer_Samples.h
  18. SAMPLE_COUNT_MACRO = 4 is very reliable for a keyboard.
  19. Split keyboards with a long connecting wire or in environment with
  20. strong electromagnetic interference (EMI) may need a larger SAMPLE_COUNT_MACRO for reliability.
  21. */
  22. #define SAMPLE_COUNT_MACRO 4 //number of consecutive equal bits needed to change a debounced bit
  23. #endif