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Adds oneshot layer and oneshot tap toggling (#308)

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This commit is mostly a cherry-pick from `ahtn` at
https://github.com/tmk/tmk_keyboard/pull/255.

These are the changes:

* Adds ACTION_LAYER_ONESHOT
* Adds ONESHOT_TAP_TOGGLE
* Mentions sticky keys in the docs on oneshot.
This commit is contained in:
Thiago Alves 2016-05-05 18:41:37 -07:00 • committed by Jack Humbert
parent d4520cd3ac
commit 74e97eefd7
5 changed files with 186 additions and 14 deletions
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70
tmk_core/common/action_util.c
View file

@ -18,6 +18,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "report.h"
#include "debug.h"
#include "action_util.h"
#include "action_layer.h"
#include "timer.h"
static inline void add_key_byte(uint8_t code);
@ -47,11 +48,70 @@ report_keyboard_t *keyboard_report = &(report_keyboard_t){};
#ifndef NO_ACTION_ONESHOT
static int8_t oneshot_mods = 0;
static int8_t oneshot_locked_mods = 0;
int8_t get_oneshot_locked_mods(void) { return oneshot_locked_mods; }
void set_oneshot_locked_mods(int8_t mods) { oneshot_locked_mods = mods; }
void clear_oneshot_locked_mods(void) { oneshot_locked_mods = 0; }
#if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
static int16_t oneshot_time = 0;
inline bool has_oneshot_mods_timed_out() {
return TIMER_DIFF_16(timer_read(), oneshot_time) >= ONESHOT_TIMEOUT;
}
#endif
#endif
/* oneshot layer */
#ifndef NO_ACTION_ONESHOT
/* oneshot_layer_data bits
* LLLL LSSS
* where:
* L => are layer bits
* S => oneshot state bits
*/
static int8_t oneshot_layer_data = 0;
inline uint8_t get_oneshot_layer(void) { return oneshot_layer_data >> 3; }
inline uint8_t get_oneshot_layer_state(void) { return oneshot_layer_data & 0b111; }
#if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
static int16_t oneshot_layer_time = 0;
inline bool has_oneshot_layer_timed_out() {
return TIMER_DIFF_16(timer_read(), oneshot_layer_time) >= ONESHOT_TIMEOUT &&
!(get_oneshot_layer_state() & ONESHOT_TOGGLED);
}
#endif
/* Oneshot layer */
void set_oneshot_layer(uint8_t layer, uint8_t state)
{
oneshot_layer_data = layer << 3 | state;
layer_on(layer);
#if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
oneshot_layer_time = timer_read();
#endif
}
void reset_oneshot_layer(void) {
oneshot_layer_data = 0;
#if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
oneshot_layer_time = 0;
#endif
}
void clear_oneshot_layer_state(oneshot_fullfillment_t state)
{
uint8_t start_state = oneshot_layer_data;
oneshot_layer_data &= ~state;
if (!get_oneshot_layer_state() && start_state != oneshot_layer_data) {
layer_off(get_oneshot_layer());
#if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
oneshot_layer_time = 0;
#endif
}
}
bool is_oneshot_layer_active(void)
{
return get_oneshot_layer_state();
}
#endif
void send_keyboard_report(void) {
keyboard_report->mods = real_mods;
@ -60,7 +120,7 @@ void send_keyboard_report(void) {
#ifndef NO_ACTION_ONESHOT
if (oneshot_mods) {
#if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
if (TIMER_DIFF_16(timer_read(), oneshot_time) >= ONESHOT_TIMEOUT) {
if (has_oneshot_mods_timed_out()) {
dprintf("Oneshot: timeout\n");
clear_oneshot_mods();
}
@ -70,6 +130,7 @@ void send_keyboard_report(void) {
clear_oneshot_mods();
}
}
#endif
host_keyboard_send(keyboard_report);
}
@ -143,11 +204,12 @@ void clear_oneshot_mods(void)
oneshot_time = 0;
#endif
}
uint8_t get_oneshot_mods(void)
{
return oneshot_mods;
}
#endif
/*
* inspect keyboard state
*/