wolfv6
7 years ago
2 changed files with 7 additions and 2 deletions
+ 5
- 0
doc/keybrd_library_user_guide.md
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| @@ -172,6 +172,11 @@ Development-environment items to check: | |||
| Where 'KEY_A' could be any scan code. | |||
| Fix this error from the Arduino IDE tool bar: Tools > USB Type > Keyboard + Mouse + Joystick | |||
| * If last line in Arduino IDE says "Low memory available", | |||
| second-to-last line should say "leaving 100 bytes for local variables" or more bytes. | |||
| * In keybrd/src/config_keybrd.h file, read_pins_t defaults to uint32_t. | |||
| If more memory is needed, 8-bit controllers can use uint8_t. | |||
| Sketch items to check: | |||
| * For each row, number of read pins in Row should equal number of keys. | |||
| In this example, row_0 has 2 read pins and 2 keys: | |||
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src/config_keybrd.h
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| @@ -13,9 +13,9 @@ Using smaller types on a 32-bit uC (Teensy LC) would accomplish nothing. | |||
| For Scanner_ShiftRegs74HC165, Scanner_ShiftRegs74HC165::readPinCount | |||
| For Scanner_Port, cover the last 1 bit in Scanner_Port::strobePin | |||
| */ | |||
| //typedef uint8_t read_pins_t; | |||
| typedef uint8_t read_pins_t; | |||
| //typedef uint16_t read_pins_t; | |||
| typedef uint32_t read_pins_t; | |||
| //typedef uint32_t read_pins_t; | |||
| /* SAMPLE_COUNT_MACRO is used in Debouncer_Samples.h | |||
| SAMPLE_COUNT_MACRO = 4 is very reliable for a keyboard. | |||