/*
-Copyright 2011,2012,2013 Jun Wako <wakojun@gmail.com>
+Copyright 2011, 2012, 2013 Jun Wako <wakojun@gmail.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "command.h"
#include "util.h"
#include "sendchar.h"
-#include "bootmagic.h"
#include "eeconfig.h"
#include "backlight.h"
+#ifdef BOOTMAGIC_ENABLE
+# include "bootmagic.h"
+#else
+# include "magic.h"
+#endif
#ifdef MOUSEKEY_ENABLE
# include "mousekey.h"
#endif
# include "ps2_mouse.h"
#endif
#ifdef SERIAL_MOUSE_ENABLE
-#include "serial_mouse.h"
+# include "serial_mouse.h"
#endif
#ifdef ADB_MOUSE_ENABLE
-#include "adb.h"
+# include "adb.h"
#endif
-
#ifdef MATRIX_HAS_GHOST
-static bool has_ghost_in_row(uint8_t row)
-{
- matrix_row_t matrix_row = matrix_get_row(row);
- // No ghost exists when less than 2 keys are down on the row
- if (((matrix_row - 1) & matrix_row) == 0)
- return false;
-
- // Ghost occurs when the row shares column line with other row
- for (uint8_t i=0; i < MATRIX_ROWS; i++) {
- if (i != row && (matrix_get_row(i) & matrix_row))
- return true;
+static bool is_row_ghosting(uint8_t row){
+ matrix_row_t state = matrix_get_row(row);
+ /* no ghosting happens when only one key in the row is pressed */
+ if (!(state - 1 & state)) return false;
+ /* ghosting occurs when two keys in the same column are pressed */
+ for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
+ if (r != row && matrix_get_row(r) & state) return true;
}
return false;
}
+
#endif
+__attribute__ ((weak))
+void matrix_setup(void) {
+}
-__attribute__ ((weak)) void matrix_setup(void) {}
-void keyboard_setup(void)
-{
+void keyboard_setup(void) {
matrix_setup();
}
-void keyboard_init(void)
-{
-
+void keyboard_init(void) {
timer_init();
matrix_init();
#ifdef PS2_MOUSE_ENABLE
#ifdef ADB_MOUSE_ENABLE
adb_mouse_init();
#endif
-
-
#ifdef BOOTMAGIC_ENABLE
bootmagic();
+#else
+ magic();
#endif
-
#ifdef BACKLIGHT_ENABLE
backlight_init();
#endif
-
-#ifdef FORCE_NKRO
+#if defined(NKRO_ENABLE) && defined(FORCE_NKRO)
keyboard_nkro = true;
#endif
-
}
-/*
- * Do keyboard routine jobs: scan mantrix, light LEDs, ...
- * This is repeatedly called as fast as possible.
- */
-void keyboard_task(void)
-{
- static matrix_row_t matrix_prev[MATRIX_ROWS];
-#ifdef MATRIX_HAS_GHOST
- static matrix_row_t matrix_ghost[MATRIX_ROWS];
-#endif
- static uint8_t led_status = 0;
- matrix_row_t matrix_row = 0;
- matrix_row_t matrix_change = 0;
-
+/* does routine keyboard jobs */
+void keyboard_task(void) {
+ static uint8_t led_status;
matrix_scan();
- for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
- matrix_row = matrix_get_row(r);
- matrix_change = matrix_row ^ matrix_prev[r];
- if (matrix_change) {
+ for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
+ static matrix_row_t previous_matrix[MATRIX_ROWS];
+ matrix_row_t state = matrix_get_row(r);
+ matrix_row_t changes = state ^ previous_matrix[r];
+ if (changes) {
#ifdef MATRIX_HAS_GHOST
- if (has_ghost_in_row(r)) {
- /* Keep track of whether ghosted status has changed for
- * debugging. But don't update matrix_prev until un-ghosted, or
- * the last key would be lost.
+ static matrix_row_t deghosting_matrix[MATRIX_ROWS];
+ if (is_row_ghosting(r)) {
+ /* debugs the deghosting mechanism */
+ /* doesn't update previous_matrix until the ghosting has stopped
+ * in order to prevent the last key from being lost
*/
- if (debug_matrix && matrix_ghost[r] != matrix_row) {
+ if (debug_matrix && deghosting_matrix[r] != state) {
matrix_print();
}
- matrix_ghost[r] = matrix_row;
+ deghosting_matrix[r] = state;
continue;
}
- matrix_ghost[r] = matrix_row;
+ deghosting_matrix[r] = state;
#endif
if (debug_matrix) matrix_print();
- for (uint8_t c = 0; c < MATRIX_COLS; c++) {
- if (matrix_change & ((matrix_row_t)1<<c)) {
- action_exec((keyevent_t){
- .key = (keypos_t){ .row = r, .col = c },
- .pressed = (matrix_row & ((matrix_row_t)1<<c)),
- .time = (timer_read() | 1) /* time should not be 0 */
- });
- // record a processed key
- matrix_prev[r] ^= ((matrix_row_t)1<<c);
- // process a key per task call
- goto MATRIX_LOOP_END;
+ for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
+ matrix_row_t mask = (matrix_row_t)1 << c;
+ if (changes & mask) {
+ keyevent_t event;
+ event.key = (keypos_t){ .row = r, .col = c };
+ event.pressed = state & mask;
+ /* the time should not be 0 */
+ event.time = timer_read() | 1;
+ action_exec(event);
+ /* records the processed key event */
+ previous_matrix[r] ^= mask;
+ /* processes one key event per call */
+ goto event_processed;
}
}
}
}
- // call with pseudo tick event when no real key event.
+ /* sends tick events when the keyboard is idle */
action_exec(TICK);
-
-MATRIX_LOOP_END:
-
+event_processed:
#ifdef MOUSEKEY_ENABLE
- // mousekey repeat & acceleration
+ /* repeats and accelerates the mouse keys */
mousekey_task();
#endif
-
#ifdef PS2_MOUSE_ENABLE
ps2_mouse_task();
#endif
-
#ifdef SERIAL_MOUSE_ENABLE
- serial_mouse_task();
+ serial_mouse_task();
#endif
-
#ifdef ADB_MOUSE_ENABLE
- adb_mouse_task();
+ adb_mouse_task();
#endif
-
- // update LED
+ /* updates the LEDs */
if (led_status != host_keyboard_leds()) {
led_status = host_keyboard_leds();
keyboard_set_leds(led_status);
}
}
-void keyboard_set_leds(uint8_t leds)
-{
- if (debug_keyboard) { debug("keyboard_set_led: "); debug_hex8(leds); debug("\n"); }
+void keyboard_set_leds(uint8_t leds) {
+ if (debug_keyboard) dprintf("Keyboard LEDs state: %x\n", leds);
led_set(leds);
}
projects / qmk_firmware.git / blobdiff