122 lines
3.6 KiB
C
122 lines
3.6 KiB
C
/* ----------------------------------------------------------------------------
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* key functions : private : code
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* ----------------------------------------------------------------------------
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* Copyright (c) 2012 Ben Blazak <benblazak.dev@gmail.com>
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* Released under The MIT License (MIT) (see "license.md")
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* Project located at <https://github.com/benblazak/ergodox-firmware>
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* ------------------------------------------------------------------------- */
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#include <stdbool.h>
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#include <stdint.h>
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#include "../../lib-other/pjrc/usb_keyboard/usb_keyboard.h"
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#include "../../lib/usb/usage-page/keyboard.h"
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#include "../../keyboard/layout.h"
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#include "../../keyboard/matrix.h"
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#include "../../main.h"
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#include "./public.h"
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// ----------------------------------------------------------------------------
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/*
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* Generate a normal keypress or keyrelease
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*
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* Arguments
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* - press: whether to generate a keypress (true) or keyrelease (false)
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* - keycode: the keycode to use
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*
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* Note
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* - Because of the way USB does things, what this actually does is either add
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* or remove 'keycode' from the list of currently pressed keys, to be sent at
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* the end of the current cycle (see main.c)
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*/
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void _kbfun_press_release(bool press, uint8_t keycode) {
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// no-op
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if (keycode == 0)
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return;
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// modifier keys
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switch (keycode) {
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case KEY_LeftControl: (press)
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? (keyboard_modifier_keys |= (1<<0))
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: (keyboard_modifier_keys &= ~(1<<0));
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return;
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case KEY_LeftShift: (press)
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? (keyboard_modifier_keys |= (1<<1))
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: (keyboard_modifier_keys &= ~(1<<1));
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return;
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case KEY_LeftAlt: (press)
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? (keyboard_modifier_keys |= (1<<2))
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: (keyboard_modifier_keys &= ~(1<<2));
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return;
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case KEY_LeftGUI: (press)
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? (keyboard_modifier_keys |= (1<<3))
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: (keyboard_modifier_keys &= ~(1<<3));
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return;
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case KEY_RightControl: (press)
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? (keyboard_modifier_keys |= (1<<4))
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: (keyboard_modifier_keys &= ~(1<<4));
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return;
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case KEY_RightShift: (press)
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? (keyboard_modifier_keys |= (1<<5))
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: (keyboard_modifier_keys &= ~(1<<5));
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return;
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case KEY_RightAlt: (press)
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? (keyboard_modifier_keys |= (1<<6))
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: (keyboard_modifier_keys &= ~(1<<6));
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return;
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case KEY_RightGUI: (press)
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? (keyboard_modifier_keys |= (1<<7))
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: (keyboard_modifier_keys &= ~(1<<7));
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return;
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}
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// all others
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for (uint8_t i=0; i<6; i++) {
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if (press) {
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if (keyboard_keys[i] == 0) {
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keyboard_keys[i] = keycode;
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return;
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}
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} else {
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if (keyboard_keys[i] == keycode) {
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keyboard_keys[i] = 0;
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return;
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}
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}
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}
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}
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/*
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* Is the given keycode pressed?
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*/
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bool _kbfun_is_pressed(uint8_t keycode) {
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// modifier keys
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switch (keycode) {
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case KEY_LeftControl: if (keyboard_modifier_keys & (1<<0))
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return true;
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case KEY_LeftShift: if (keyboard_modifier_keys & (1<<1))
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return true;
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case KEY_LeftAlt: if (keyboard_modifier_keys & (1<<2))
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return true;
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case KEY_LeftGUI: if (keyboard_modifier_keys & (1<<3))
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return true;
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case KEY_RightControl: if (keyboard_modifier_keys & (1<<4))
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return true;
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case KEY_RightShift: if (keyboard_modifier_keys & (1<<5))
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return true;
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case KEY_RightAlt: if (keyboard_modifier_keys & (1<<6))
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return true;
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case KEY_RightGUI: if (keyboard_modifier_keys & (1<<7))
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return true;
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}
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// all others
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for (uint8_t i=0; i<6; i++)
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if (keyboard_keys[i] == keycode)
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return true;
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return false;
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}
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