keyboard/hhkb_rn42/main.c

   1 #include <avr/io.h>
   2 #include <avr/power.h>
   3 #include <avr/wdt.h>
   4 #include "lufa.h"
   5 #include "print.h"
   6 #include "sendchar.h"
   7 #include "rn42.h"
   8 #include "serial.h"
   9 #include "keyboard.h"
  10 #include "command.h"
  11 #include "keycode.h"
  12 #include "action.h"
  13 #include "action_util.h"
  14 #include "wait.h"
  15
  16
  17 bool config_mode = false;
  18
  19 static void SetupHardware(void)
  20 {
  21     /* Disable watchdog if enabled by bootloader/fuses */
  22     MCUSR &= ~(1 << WDRF);
  23     wdt_disable();
  24
  25     /* Disable clock division */
  26     clock_prescale_set(clock_div_1);
  27
  28     // Leonardo needs. Without this USB device is not recognized.
  29     USB_Disable();
  30
  31     USB_Init();
  32
  33     // for Console_Task
  34     USB_Device_EnableSOFEvents();
  35     print_set_sendchar(sendchar);
  36 }
  37
  38 static bool force_usb = false;
  39 int main(void)  __attribute__ ((weak));
  40 int main(void)
  41 {
  42     SetupHardware();
  43     sei();
  44
  45     /* wait for USB startup to get ready for debug output */
  46     uint8_t timeout = 255;  // timeout when USB is not available(Bluetooth)
  47     while (timeout-- && USB_DeviceState != DEVICE_STATE_Configured) {
  48         wait_ms(4);
  49 #if defined(INTERRUPT_CONTROL_ENDPOINT)
  50         ;
  51 #else
  52         USB_USBTask();
  53 #endif
  54     }
  55     print("USB configured.\n");
  56
  57     rn42_init();
  58     print("RN-42 init\n");
  59
  60     /* init modules */
  61     keyboard_init();
  62
  63     if (rn42_ready()) {
  64         host_set_driver(&rn42_driver);
  65     } else {
  66         host_set_driver(&lufa_driver);
  67     }
  68
  69 #ifdef SLEEP_LED_ENABLE
  70     sleep_led_init();
  71 #endif
  72
  73     print("Keyboard start.\n");
  74     while (1) {
  75 /*
  76         while (USB_DeviceState == DEVICE_STATE_Suspended) {
  77             suspend_power_down();
  78             if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) {
  79                     USB_Device_SendRemoteWakeup();
  80             }
  81         }
  82 */
  83
  84         keyboard_task();
  85
  86 #if !defined(INTERRUPT_CONTROL_ENDPOINT)
  87         USB_USBTask();
  88 #endif
  89
  90         int16_t c;
  91         if (config_mode) {
  92             while ((c = serial_recv2()) != -1) xprintf("%c", c);
  93         } else {
  94             while ((c = serial_recv2()) != -1) {
  95                 // LED Out report: 0xFE, 0x02, 0x01, <leds>
  96                 // To get the report over UART set bit3 with SH, command.
  97                 static enum {LED_INIT, LED_FE, LED_02, LED_01} state = LED_INIT;
  98                 xprintf("%X\n", c);
  99                 switch (state) {
 100                     case LED_INIT:
 101                         if (c == 0xFE) state = LED_FE;
 102                         else           state = LED_INIT;
 103                         break;
 104                     case LED_FE:
 105                         if (c == 0x02) state = LED_02;
 106                         else           state = LED_INIT;
 107                         break;
 108                     case LED_02:
 109                         if (c == 0x01) state = LED_01;
 110                         else           state = LED_INIT;
 111                         break;
 112                     case LED_01:
 113                         // TODO: move to rn42.c and make accessible with keyboard_leds()
 114                         xprintf("LED status: %X\n", c);
 115                         state = LED_INIT;
 116                         break;
 117                     default:
 118                         state = LED_INIT;
 119                 }
 120             }
 121         }
 122
 123         /* Bluetooth mode when ready */
 124         if (!force_usb) {
 125             if (rn42_ready() && host_get_driver() != &rn42_driver) {
 126                 clear_keyboard();
 127                 host_set_driver(&rn42_driver);
 128             } else if (!rn42_ready() && host_get_driver() != &lufa_driver) {
 129                 clear_keyboard();
 130                 host_set_driver(&lufa_driver);
 131             }
 132         }
 133     }
 134 }
 135
 136 static bool local_echo = false;
 137 bool command_extra(uint8_t code)
 138 {
 139     static host_driver_t *prev_driver = &rn42_driver;
 140     switch (code) {
 141         case KC_H:
 142         case KC_SLASH: /* ? */
 143             print("\n\n----- Bluetooth RN-42 Help -----\n");
 144             print("w:   toggle RN-42 config mode(enter/exit)\n");
 145             print("l:   toggle print module output(local echo)\n");
 146             print("a:   Bluetooth auto connect\n");
 147             print("del: Bluetooth disconnect\n");
 148             print("i:   info\n");
 149
 150             if (config_mode) {
 151                 return true;
 152             } else {
 153                 print("u:   force USB mode\n");
 154                 return false;   // to display default command help
 155             }
 156         case KC_W:
 157             if (!config_mode) {
 158                 print("\nEnter RN-42 config mode\n");
 159                 print("type $$$ to enter RN-42 command mode\n");
 160                 print("type Delete to disconnect Bluetooth connection\n");
 161                 command_state = CONSOLE;
 162                 config_mode = true;
 163                 prev_driver = host_get_driver();
 164                 clear_keyboard();
 165                 host_set_driver(&rn42_config_driver);
 166             } else {
 167                 print("\nExit RN-42 config mode\n");
 168                 command_state = ONESHOT;
 169                 config_mode = false;
 170                 clear_keyboard();
 171                 host_set_driver(prev_driver);
 172             }
 173             return true;
 174         case KC_L:
 175             if (local_echo) {
 176                 print("local echo off\n");
 177                 local_echo = false;
 178             } else {
 179                 print("local echo on\n");
 180                 local_echo = true;
 181             }
 182             return true;
 183         case KC_U:
 184             if (config_mode) return false;
 185             if (force_usb) {
 186                 print("Auto mode\n");
 187                 force_usb = false;
 188             } else {
 189                 print("USB mode\n");
 190                 force_usb = true;
 191                 clear_keyboard();
 192                 host_set_driver(&lufa_driver);
 193             }
 194             return true;
 195         case KC_A:
 196             print("auto connect\n");
 197             rn42_autoconnect();
 198             return true;
 199         case KC_DELETE:
 200             print("disconnect\n");
 201             rn42_disconnect();
 202             //rn42_putc('\0');    // see 5.3.4.4 DISCONNECT KEY of User's Guide
 203             return true;
 204         case KC_I:
 205             print("\nRN-42 info\n");
 206             xprintf("protocol: %s\n", (host_get_driver() == &rn42_driver) ? "RN-42" : "LUFA");
 207             xprintf("force_usb: %X\n", force_usb);
 208             xprintf("rn42_ready(): %X\n", rn42_ready());
 209             xprintf("config_mode: %X\n", config_mode);
 210             return true;
 211         default:
 212             if (config_mode)
 213                 return true;
 214             else
 215                 return false;   // exec default command
 216     }
 217     return true;
 218 }
 219
 220 static uint8_t code2asc(uint8_t code);
 221 bool command_console_extra(uint8_t code)
 222 {
 223     switch (code) {
 224         default:
 225             rn42_putc(code2asc(code));
 226             if (local_echo) xprintf("%c", code2asc(code));
 227             return true;
 228     }
 229     return false;
 230 }
 231
 232 // convert keycode into ascii charactor
 233 static uint8_t code2asc(uint8_t code)
 234 {
 235     bool shifted = (get_mods() & (MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT))) ? true : false;
 236     switch (code) {
 237         case KC_A: return (shifted ? 'A' : 'a');
 238         case KC_B: return (shifted ? 'B' : 'b');
 239         case KC_C: return (shifted ? 'C' : 'c');
 240         case KC_D: return (shifted ? 'D' : 'd');
 241         case KC_E: return (shifted ? 'E' : 'e');
 242         case KC_F: return (shifted ? 'F' : 'f');
 243         case KC_G: return (shifted ? 'G' : 'g');
 244         case KC_H: return (shifted ? 'H' : 'h');
 245         case KC_I: return (shifted ? 'I' : 'i');
 246         case KC_J: return (shifted ? 'J' : 'j');
 247         case KC_K: return (shifted ? 'K' : 'k');
 248         case KC_L: return (shifted ? 'L' : 'l');
 249         case KC_M: return (shifted ? 'M' : 'm');
 250         case KC_N: return (shifted ? 'N' : 'n');
 251         case KC_O: return (shifted ? 'O' : 'o');
 252         case KC_P: return (shifted ? 'P' : 'p');
 253         case KC_Q: return (shifted ? 'Q' : 'q');
 254         case KC_R: return (shifted ? 'R' : 'r');
 255         case KC_S: return (shifted ? 'S' : 's');
 256         case KC_T: return (shifted ? 'T' : 't');
 257         case KC_U: return (shifted ? 'U' : 'u');
 258         case KC_V: return (shifted ? 'V' : 'v');
 259         case KC_W: return (shifted ? 'W' : 'w');
 260         case KC_X: return (shifted ? 'X' : 'x');
 261         case KC_Y: return (shifted ? 'Y' : 'y');
 262         case KC_Z: return (shifted ? 'Z' : 'z');
 263         case KC_1: return (shifted ? '!' : '1');
 264         case KC_2: return (shifted ? '@' : '2');
 265         case KC_3: return (shifted ? '#' : '3');
 266         case KC_4: return (shifted ? '$' : '4');
 267         case KC_5: return (shifted ? '%' : '5');
 268         case KC_6: return (shifted ? '^' : '6');
 269         case KC_7: return (shifted ? '&' : '7');
 270         case KC_8: return (shifted ? '*' : '8');
 271         case KC_9: return (shifted ? '(' : '9');
 272         case KC_0: return (shifted ? ')' : '0');
 273         case KC_ENTER: return '\n';
 274         case KC_ESCAPE: return 0x1B;
 275         case KC_BSPACE: return '\b';
 276         case KC_TAB: return '\t';
 277         case KC_SPACE: return ' ';
 278         case KC_MINUS: return (shifted ? '_' : '-');
 279         case KC_EQUAL: return (shifted ? '+' : '=');
 280         case KC_LBRACKET: return (shifted ? '{' : '[');
 281         case KC_RBRACKET: return (shifted ? '}' : ']');
 282         case KC_BSLASH: return (shifted ? '|' : '\\');
 283         case KC_NONUS_HASH: return (shifted ? '|' : '\\');
 284         case KC_SCOLON: return (shifted ? ':' : ';');
 285         case KC_QUOTE: return (shifted ? '"' : '\'');
 286         case KC_GRAVE: return (shifted ? '~' : '`');
 287         case KC_COMMA: return (shifted ? '<' : ',');
 288         case KC_DOT: return (shifted ? '>' : '.');
 289         case KC_SLASH: return (shifted ? '?' : '/');
 290         case KC_DELETE: return '\0';    // Delete to disconnect
 291         default: return ' ';
 292     }
 293 }