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/*
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Copyright 2011 , 2012 , 2013 Jun Wako < wakojun @ gmail . com >
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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
the Free Software Foundation , either version 2 of the License , or
( at your option ) any later version .
This program is distributed in the hope that it will be useful ,
but WITHOUT ANY WARRANTY ; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
GNU General Public License for more details .
You should have received a copy of the GNU General Public License
along with this program . If not , see < http : //www.gnu.org/licenses/>.
*/
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# include <stdint.h>
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# include "keyboard.h"
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# include "matrix.h"
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# include "keymap.h"
# include "host.h"
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# include "led.h"
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# include "keycode.h"
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# include "timer.h"
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# include "print.h"
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# include "debug.h"
# include "command.h"
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# include "util.h"
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# include "sendchar.h"
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# include "bootmagic.h"
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# include "eeconfig.h"
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# include "backlight.h"
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# ifdef MOUSEKEY_ENABLE
# include "mousekey.h"
# endif
# ifdef PS2_MOUSE_ENABLE
# include "ps2_mouse.h"
# endif
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# ifdef SERIAL_MOUSE_ENABLE
# include "serial_mouse.h"
# endif
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# 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 ;
}
return false ;
}
# endif
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void keyboard_init ( void )
{
timer_init ( ) ;
matrix_init ( ) ;
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# ifdef PS2_MOUSE_ENABLE
ps2_mouse_init ( ) ;
# endif
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# ifdef SERIAL_MOUSE_ENABLE
serial_mouse_init ( ) ;
# endif
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# ifdef BOOTMAGIC_ENABLE
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bootmagic ( ) ;
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# endif
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# ifdef BACKLIGHT_ENABLE
backlight_init ( ) ;
# endif
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}
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/*
* Do keyboard routine jobs : scan mantrix , light LEDs , . . .
* This is repeatedly called as fast as possible .
*/
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void keyboard_task ( void )
{
static matrix_row_t matrix_prev [ MATRIX_ROWS ] ;
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static uint8_t led_status = 0 ;
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matrix_row_t matrix_row = 0 ;
matrix_row_t matrix_change = 0 ;
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matrix_scan ( ) ;
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for ( uint8_t r = 0 ; r < MATRIX_ROWS ; r + + ) {
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matrix_row = matrix_get_row ( r ) ;
matrix_change = matrix_row ^ matrix_prev [ r ] ;
if ( matrix_change ) {
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if ( debug_matrix ) matrix_print ( ) ;
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# ifdef MATRIX_HAS_GHOST
if ( has_ghost_in_row ( r ) ) {
matrix_prev [ r ] = matrix_row ;
continue ;
}
# endif
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for ( uint8_t c = 0 ; c < MATRIX_COLS ; c + + ) {
if ( matrix_change & ( ( matrix_row_t ) 1 < < c ) ) {
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action_exec ( ( keyevent_t ) {
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. key = ( keypos_t ) { . row = r , . col = c } ,
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. pressed = ( matrix_row & ( ( matrix_row_t ) 1 < < c ) ) ,
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. time = ( timer_read ( ) | 1 ) /* time should not be 0 */
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} ) ;
// record a processed key
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matrix_prev [ r ] ^ = ( ( matrix_row_t ) 1 < < c ) ;
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// process a key per task call
goto MATRIX_LOOP_END ;
}
}
}
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}
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// call with pseudo tick event when no real key event.
action_exec ( TICK ) ;
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MATRIX_LOOP_END :
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# ifdef MOUSEKEY_ENABLE
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// mousekey repeat & acceleration
mousekey_task ( ) ;
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# endif
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# ifdef PS2_MOUSE_ENABLE
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ps2_mouse_task ( ) ;
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# endif
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# ifdef SERIAL_MOUSE_ENABLE
serial_mouse_task ( ) ;
# endif
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// update LED
if ( led_status ! = host_keyboard_leds ( ) ) {
led_status = host_keyboard_leds ( ) ;
keyboard_set_leds ( led_status ) ;
}
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}
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void keyboard_set_leds ( uint8_t leds )
{
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if ( debug_keyboard ) { debug ( " keyboard_set_led: " ) ; debug_hex8 ( leds ) ; debug ( " \n " ) ; }
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led_set ( leds ) ;
}