keyboard.c

   1 #include "keyboard.h"
   2 #include "host.h"
   3 #include "layer.h"
   4 #include "matrix.h"
   5 #include "led.h"
   6 #include "usb_keycodes.h"
   7 #include "timer.h"
   8 #include "print.h"
   9 #include "debug.h"
  10 #include "command.h"
  11 #ifdef MOUSEKEY_ENABLE
  12 #include "mousekey.h"
  13 #endif
  14 #ifdef USB_EXTRA_ENABLE
  15 #include <util/delay.h>
  16 #endif
  17
  18
  19 static uint8_t last_leds = 0;
  20
  21
  22 void keyboard_init(void)
  23 {
  24     timer_init();
  25     matrix_init();
  26 #ifdef PS2_MOUSE_ENABLE
  27     ps2_mouse_init();
  28 #endif
  29 }
  30
  31 void keyboard_proc(void)
  32 {
  33     uint8_t fn_bits = 0;
  34
  35     matrix_scan();
  36
  37     if (matrix_is_modified()) {
  38         if (debug_matrix) matrix_print();
  39 #ifdef DEBUG_LED
  40         // LED flash for debug
  41         DEBUG_LED_CONFIG;
  42         DEBUG_LED_ON;
  43 #endif
  44     }
  45
  46     if (matrix_has_ghost()) {
  47         // should send error?
  48         debug("matrix has ghost!!\n");
  49         return;
  50     }
  51
  52     host_swap_keyboard_report();
  53     host_clear_keyboard_report();
  54     for (int row = 0; row < matrix_rows(); row++) {
  55         for (int col = 0; col < matrix_cols(); col++) {
  56             if (!matrix_is_on(row, col)) continue;
  57
  58             uint8_t code = layer_get_keycode(row, col);
  59             if (code == KB_NO) {
  60                 // do nothing
  61             } else if (IS_MOD(code)) {
  62                 host_add_mod_bit(MOD_BIT(code));
  63             } else if (IS_FN(code)) {
  64                 fn_bits |= FN_BIT(code);
  65             }
  66 #ifdef USB_EXTRA_ENABLE
  67             // audio control & system control
  68             else if (code == KB_MUTE) {
  69                 host_audio_send(AUDIO_MUTE);
  70                 _delay_ms(500);
  71                 host_audio_send(0);
  72             } else if (code == KB_VOLU) {
  73                 host_audio_send(AUDIO_VOL_UP);
  74                 _delay_ms(200);
  75                 host_audio_send(0);
  76             } else if (code == KB_VOLD) {
  77                 host_audio_send(AUDIO_VOL_DOWN);
  78                 _delay_ms(200);
  79                 host_audio_send(0);
  80             } else if (code == KB_PWR) {
  81 #ifdef HOST_PJRC
  82                 if (suspend && remote_wakeup) {
  83                     usb_remote_wakeup();
  84                 } else {
  85                     host_system_send(SYSTEM_POWER_DOWN);
  86                 }
  87 #else
  88                 host_system_send(SYSTEM_POWER_DOWN);
  89 #endif
  90                 _delay_ms(1000);
  91             }
  92 #endif
  93             else if (IS_KEY(code)) {
  94                 host_add_key(code);
  95             }
  96 #ifdef MOUSEKEY_ENABLE
  97             else if (IS_MOUSEKEY(code)) {
  98                 mousekey_decode(code);
  99             }
 100 #endif
 101             else {
 102                 debug("ignore keycode: "); debug_hex(code); debug("\n");
 103             }
 104         }
 105     }
 106
 107     layer_switching(fn_bits);
 108
 109     if (command_proc()) {
 110         return;
 111     }
 112
 113     // TODO: should send only when changed from last report
 114     if (matrix_is_modified()) {
 115         host_send_keyboard_report();
 116 #ifdef DEBUG_LED
 117         // LED flash for debug
 118         DEBUG_LED_CONFIG;
 119         DEBUG_LED_OFF;
 120 #endif
 121     }
 122
 123 #ifdef MOUSEKEY_ENABLE
 124     mousekey_send();
 125 #endif
 126
 127 #ifdef PS2_MOUSE_ENABLE
 128     // TODO: should comform new API
 129     if (ps2_mouse_read() == 0)
 130         ps2_mouse_usb_send();
 131 #endif
 132
 133     if (last_leds != host_keyboard_leds()) {
 134         keyboard_set_leds(host_keyboard_leds());
 135         last_leds = host_keyboard_leds();
 136     }
 137 }
 138
 139 void keyboard_set_leds(uint8_t leds)
 140 {
 141     led_set(leds);
 142 }