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add encoder docs

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This commit is contained in:
Jack Humbert 2018-06-03 22:58:59 -04:00
parent ff4a1ae5d2
commit 21665df8eb
4 changed files with 48 additions and 6 deletions
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10
quantum/encoder.c
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@ -35,11 +35,11 @@ static uint8_t encoder_state[NUMBER_OF_ENCODERS] = {0};
static int8_t encoder_value[NUMBER_OF_ENCODERS] = {0};
__attribute__ ((weak))
void encoder_update_user(bool clockwise) { }
void encoder_update_user(int8_t index, bool clockwise) { }
__attribute__ ((weak))
void encoder_update_kb(bool clockwise) {
encoder_update_user(clockwise);
void encoder_update_kb(int8_t index, bool clockwise) {
encoder_update_user(index, clockwise);
}
void encoder_init(void) {
@ -57,10 +57,10 @@ void encoder_read(void) {
encoder_state[i] |= (readPad(encoders_pad_a[i]) << 0) | (readPad(encoders_pad_b[i]) << 1);
encoder_value[i] += encoder_LUT[encoder_state[i] & 0xF];
if (encoder_value[i] >= ENCODER_RESOLUTION) {
encoder_update_kb(COUNTRECLOCKWISE);
encoder_update_kb(i, COUNTRECLOCKWISE);
}
if (encoder_value[i] <= -ENCODER_RESOLUTION) { // direction is arbitrary here, but this clockwise
encoder_update_kb(CLOCKWISE);
encoder_update_kb(i, CLOCKWISE);
}
encoder_value[i] %= ENCODER_RESOLUTION;
}