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inital encoder implementation

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This commit is contained in:
Jack Humbert 2018-06-03 21:55:07 -04:00
parent 018a0142d2
commit ff4a1ae5d2
11 changed files with 135 additions and 34 deletions
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31
keyboards/planck/light/rev2/matrix.c
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@ -21,10 +21,6 @@ static matrix_row_t matrix_debouncing[MATRIX_COLS];
static bool debouncing = false;
static uint16_t debouncing_time = 0;
static uint8_t encoder_state = 0;
static int8_t encoder_value = 0;
static int8_t encoder_LUT[] = { 0, -1, 1, 0, 1, 0, 0, -1, -1, 0, 0, 1, 0, 1, -1, 0 };
static LINE_TYPE matrix_col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
static LINE_TYPE matrix_row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
@ -48,12 +44,6 @@ void matrix_init(void) {
printf("matrix init\n");
//debug_matrix = true;
// encoder setup
palSetPadMode(GPIOB, 12, PAL_MODE_INPUT_PULLUP);
palSetPadMode(GPIOB, 13, PAL_MODE_INPUT_PULLUP);
encoder_state = (palReadPad(GPIOB, 12) << 0) | (palReadPad(GPIOB, 13) << 1);
// actual matrix setup
for (int i = 0; i < MATRIX_COLS; i++) {
setPadMode(matrix_col_pins[i], PAL_MODE_OUTPUT_PUSHPULL);
@ -69,29 +59,8 @@ void matrix_init(void) {
matrix_init_quantum();
}
__attribute__ ((weak))
void encoder_update(bool clockwise) { }
#ifndef ENCODER_RESOLUTION
#define ENCODER_RESOLUTION 4
#endif
#define COUNTRECLOCKWISE 0
#define CLOCKWISE 1
uint8_t matrix_scan(void) {
// encoder on B12 and B13
encoder_state <<= 2;
encoder_state |= (palReadPad(GPIOB, 12) << 0) | (palReadPad(GPIOB, 13) << 1);
encoder_value += encoder_LUT[encoder_state & 0xF];
if (encoder_value >= ENCODER_RESOLUTION) {
encoder_update(COUNTRECLOCKWISE);
}
if (encoder_value <= -ENCODER_RESOLUTION) { // direction is arbitrary here, but this clockwise
encoder_update(CLOCKWISE);
}
encoder_value %= ENCODER_RESOLUTION;
// actual matrix
for (int col = 0; col < MATRIX_COLS; col++) {