drashna/qmk_firmware
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Fix a potential bug in encoder_init(). (#16372)

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After executing `setPinInputHigh(pin)`, it is necessary to wait for the charging time to read from the corresponding pin. This is the same as requiring `matrix_output_unselect_delay()` after doing `unselect_row()` in matrix.c.
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Takeshi ISHII 2022-02-21 23:13:06 +09:00 committed by GitHub
parent ae5f43072f
commit b1de11c275
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1 changed files with 5 additions and 1 deletions
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quantum/encoder.c
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@ -59,6 +59,8 @@ static uint8_t thisHand, thatHand;
static uint8_t encoder_value[NUMBER_OF_ENCODERS] = {0};
#endif
__attribute__((weak)) void encoder_wait_pullup_charge(void) { wait_us(100); }
__attribute__((weak)) bool encoder_update_user(uint8_t index, bool clockwise) { return true; }
__attribute__((weak)) bool encoder_update_kb(uint8_t index, bool clockwise) { return encoder_update_user(index, clockwise); }
@ -84,7 +86,9 @@ void encoder_init(void) {
for (int i = 0; i < NUMBER_OF_ENCODERS; i++) {
setPinInputHigh(encoders_pad_a[i]);
setPinInputHigh(encoders_pad_b[i]);
}
encoder_wait_pullup_charge();
for (int i = 0; i < NUMBER_OF_ENCODERS; i++) {
encoder_state[i] = (readPin(encoders_pad_a[i]) << 0) | (readPin(encoders_pad_b[i]) << 1);
}