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ergodox_ez: fixed bug where debounce() was called without calculating changed (#5589)

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This commit is contained in:
Alex Ong 2019-04-09 14:52:38 +10:00 committed by Drashna Jaelre
parent fa4052c26e
commit 3761c28bf9
1 changed files with 20 additions and 7 deletions
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27
keyboards/ergodox_ez/matrix.c
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@ -123,6 +123,17 @@ void matrix_power_up(void) {
#endif
}
// Reads and stores a row, returning
// whether a change occurred.
static inline bool store_raw_matrix_row(uint8_t index) {
matrix_row_t temp = read_cols(index);
if (raw_matrix[index] != temp) {
raw_matrix[index] = temp;
return true;
}
return false;
}
uint8_t matrix_scan(void) {
if (mcp23018_status) { // if there was an error
if (++mcp23018_reset_loop == 0) {
@ -157,22 +168,24 @@ uint8_t matrix_scan(void) {
#ifdef LEFT_LEDS
mcp23018_status = ergodox_left_leds_update();
#endif // LEFT_LEDS
bool changed = false;
for (uint8_t i = 0; i < MATRIX_ROWS_PER_SIDE; i++) {
// select rows from left and right hands
select_row(i);
select_row(i + MATRIX_ROWS_PER_SIDE);
uint8_t left_index = i;
uint8_t right_index = i + MATRIX_ROWS_PER_SIDE;
select_row(left_index);
select_row(right_index);
// we don't need a 30us delay anymore, because selecting a
// left-hand row requires more than 30us for i2c.
// grab left + right cols.
raw_matrix[i] = read_cols(i);
raw_matrix[i+MATRIX_ROWS_PER_SIDE] = read_cols(i+MATRIX_ROWS_PER_SIDE);
changed |= store_raw_matrix_row(left_index);
changed |= store_raw_matrix_row(right_index);
unselect_rows();
}
debounce(raw_matrix, matrix, MATRIX_ROWS, true);
debounce(raw_matrix, matrix, MATRIX_ROWS, changed);
matrix_scan_quantum();
return 1;