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keymap: Allow ghost keys to be pressed once the ghost is removed

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- Don't record a ghost key as pressed
- Debouce on ghost release to allow ghosts to settle.
- Reduce debounce time from 20ms to 15ms.

Signed-off-by: Evan Lojewski <github@meklort.com>
This commit is contained in:
Evan Lojewski 2020-05-01 20:32:58 -06:00 committed by Jeremy Soller
parent de7d507277
commit a6093d8708
1 changed files with 8 additions and 3 deletions
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9
src/board/system76/common/kbscan.c
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@ -30,7 +30,7 @@ void kbscan_init(void) {
}
// Debounce time in milliseconds
#define DEBOUNCE_DELAY 20
#define DEBOUNCE_DELAY 15
static uint8_t kbscan_get_row(int i) {
// Set current line as output
@ -215,6 +215,7 @@ void kbscan_event(void) {
uint8_t layer = kbscan_layer;
static uint8_t kbscan_last[KM_OUT] = { 0 };
static uint8_t kbscan_last_layer[KM_OUT][KM_IN] = { { 0 } };
static bool kbscan_ghost[KM_OUT] = { false };
static bool debounce = false;
static uint32_t debounce_time = 0;
@ -242,8 +243,12 @@ void kbscan_event(void) {
uint8_t last = kbscan_last[i];
if (new != last) {
if (kbscan_has_ghost_in_row(i, new)) {
kbscan_last[i] = new;
kbscan_ghost[i] = true;
continue;
} else if (kbscan_ghost[i]) {
kbscan_ghost[i] = false;
// Debounce to allow remaining ghosts to settle.
debounce = true;
}
// A key was pressed or released