3 #include <avr/pgmspace.h>
4 #include <avr/eeprom.h>
9 #include "action_util.h"
11 #include "rn42_task.h"
19 static bool config_mode = false;
20 static bool force_usb = false;
22 static void status_led(bool on)
33 void rn42_task_init(void)
37 rn42_nkro_last = keyboard_nkro;
44 // Raw mode: interpret output report of LED state
45 while ((c = rn42_getc()) != -1) {
46 // LED Out report: 0xFE, 0x02, 0x01, <leds>
47 // To get the report over UART set bit3 with SH, command.
48 static enum {LED_INIT, LED_FE, LED_02, LED_01} state = LED_INIT;
51 if (c == 0xFE) state = LED_FE;
53 if (0x0 <= c && c <= 0x7f) xprintf("%c", c);
54 else xprintf(" %02X", c);
58 if (c == 0x02) state = LED_02;
59 else state = LED_INIT;
62 if (c == 0x01) state = LED_01;
63 else state = LED_INIT;
66 dprintf("LED status: %02X\n", c);
75 /* Switch between USB and Bluetooth */
76 if (!config_mode) { // not switch while config mode
77 if (!force_usb && !rn42_rts()) {
78 if (host_get_driver() != &rn42_driver) {
81 rn42_nkro_last = keyboard_nkro;
82 keyboard_nkro = false;
84 host_set_driver(&rn42_driver);
87 if (host_get_driver() != &lufa_driver) {
90 keyboard_nkro = rn42_nkro_last;
92 host_set_driver(&lufa_driver);
98 static uint16_t prev_timer = 0;
99 uint16_t e = timer_elapsed(prev_timer);
102 prev_timer += e/1000*1000;
104 /* Low voltage alert */
105 uint8_t bs = battery_status();
106 if (bs == LOW_VOLTAGE) {
109 battery_led(LED_CHARGER);
113 uint32_t t = timer_read32()/1000;
115 uint16_t v = battery_voltage();
117 uint8_t m = t%3600/60;
119 dprintf("%02u:%02u:%02u\t%umV\n", h, m, s, v);
120 /* TODO: xprintf doesn't work for this.
121 xprintf("%02u:%02u:%02u\t%umV\n", (t/3600), (t%3600/60), (t%60), v);
127 /* Connection monitor */
128 if (!rn42_rts() && rn42_linked()) {
137 /******************************************************************************
139 ******************************************************************************/
140 static host_driver_t *prev_driver = &rn42_driver;
142 static void enter_command_mode(void)
144 prev_driver = host_get_driver();
146 host_set_driver(&rn42_config_driver); // null driver; not to send a key to host
148 while (rn42_linked()) ;
150 print("Entering config mode ...\n");
151 wait_ms(1100); // need 1 sec
153 wait_ms(600); // need 1 sec
154 rn42_print_response();
155 const char *s = SEND_COMMAND("v\r\n");
156 if (strncmp("v", s, 1) != 0) SEND_COMMAND("+\r\n"); // local echo on
159 static void exit_command_mode(void)
161 print("Exiting config mode ...\n");
162 SEND_COMMAND("---\r\n"); // exit
166 host_set_driver(prev_driver);
169 static void init_rn42(void)
172 if (!config_mode) enter_command_mode();
173 SEND_COMMAND("SF,1\r\n"); // factory defaults
174 SEND_COMMAND("S-,TmkBT\r\n");
175 SEND_COMMAND("SS,Keyboard/Mouse\r\n");
176 SEND_COMMAND("SM,4\r\n"); // auto connect(DTR)
177 SEND_COMMAND("SW,8000\r\n"); // Sniff disable
178 SEND_COMMAND("S~,6\r\n"); // HID profile
179 SEND_COMMAND("SH,003C\r\n"); // combo device, out-report, 4-reconnect
180 SEND_COMMAND("SY,FFF4\r\n"); // transmit power -12
181 SEND_COMMAND("R,1\r\n");
182 if (!config_mode) exit_command_mode();
186 // Switching connections
187 // NOTE: Remote Address doesn't work in the way manual says.
188 // EEPROM address for link store
189 #define RN42_LINK0 (uint8_t *)128
190 #define RN42_LINK1 (uint8_t *)140
191 #define RN42_LINK2 (uint8_t *)152
192 #define RN42_LINK3 (uint8_t *)164
193 static void store_link(uint8_t *eeaddr)
195 enter_command_mode();
196 SEND_STR("GR\r\n"); // remote address
197 const char *s = rn42_gets(500);
198 if (strcmp("GR", s) == 0) s = rn42_gets(500); // ignore local echo
199 xprintf("%s(%d)\r\n", s, strlen(s));
200 if (strlen(s) == 12) {
201 for (int i = 0; i < 12; i++) {
202 eeprom_write_byte(eeaddr+i, *(s+i));
203 dprintf("%c ", *(s+i));
210 static void restore_link(const uint8_t *eeaddr)
212 enter_command_mode();
213 SEND_COMMAND("SR,Z\r\n"); // remove remote address
214 SEND_STR("SR,"); // set remote address from EEPROM
215 for (int i = 0; i < 12; i++) {
216 uint8_t c = eeprom_read_byte(eeaddr+i);
221 SEND_COMMAND("\r\n");
222 SEND_COMMAND("R,1\r\n"); // reboot
226 static const char *get_link(uint8_t * eeaddr)
229 for (int i = 0; i < 12; i++) {
230 uint8_t c = eeprom_read_byte(eeaddr+i);
238 static void pairing(void)
240 enter_command_mode();
241 SEND_COMMAND("SR,Z\r\n"); // remove remote address
242 SEND_COMMAND("R,1\r\n"); // reboot
246 bool command_extra(uint8_t code)
252 case KC_SLASH: /* ? */
253 print("\n\n----- Bluetooth RN-42 Help -----\n");
254 print("i: RN-42 info\n");
255 print("b: battery voltage\n");
256 print("Del: enter/exit RN-42 config mode\n");
257 print("Slck: RN-42 initialize\n");
259 print("1-4: restore link\n");
260 print("F1-F4: store link\n");
262 print("p: pairing\n");
267 print("u: toggle Force USB mode\n");
268 return false; // to display default command help
274 /* Store link address to EEPROM */
276 store_link(RN42_LINK0);
279 store_link(RN42_LINK1);
282 store_link(RN42_LINK2);
285 store_link(RN42_LINK3);
287 /* Restore link address to EEPROM */
289 restore_link(RN42_LINK0);
292 restore_link(RN42_LINK1);
295 restore_link(RN42_LINK2);
298 restore_link(RN42_LINK3);
302 print("\n----- RN-42 info -----\n");
303 xprintf("protocol: %s\n", (host_get_driver() == &rn42_driver) ? "RN-42" : "LUFA");
304 xprintf("force_usb: %X\n", force_usb);
305 xprintf("rn42: %s\n", rn42_rts() ? "OFF" : (rn42_linked() ? "CONN" : "ON"));
306 xprintf("rn42_autoconnecting(): %X\n", rn42_autoconnecting());
307 xprintf("config_mode: %X\n", config_mode);
308 xprintf("USB State: %s\n",
309 (USB_DeviceState == DEVICE_STATE_Unattached) ? "Unattached" :
310 (USB_DeviceState == DEVICE_STATE_Powered) ? "Powered" :
311 (USB_DeviceState == DEVICE_STATE_Default) ? "Default" :
312 (USB_DeviceState == DEVICE_STATE_Addressed) ? "Addressed" :
313 (USB_DeviceState == DEVICE_STATE_Configured) ? "Configured" :
314 (USB_DeviceState == DEVICE_STATE_Suspended) ? "Suspended" : "?");
315 xprintf("battery: ");
316 switch (battery_status()) {
317 case FULL_CHARGED: xprintf("FULL"); break;
318 case CHARGING: xprintf("CHARG"); break;
319 case DISCHARGING: xprintf("DISCHG"); break;
320 case LOW_VOLTAGE: xprintf("LOW"); break;
321 default: xprintf("?"); break;
324 xprintf("RemoteWakeupEnabled: %X\n", USB_Device_RemoteWakeupEnabled);
325 xprintf("VBUS: %X\n", USBSTA&(1<<VBUS));
326 t = timer_read32()/1000;
327 uint8_t d = t/3600/24;
329 uint8_t m = t%3600/60;
331 xprintf("uptime: %02u %02u:%02u:%02u\n", d, h, m, s);
333 xprintf("LINK0: %s\r\n", get_link(RN42_LINK0));
334 xprintf("LINK1: %s\r\n", get_link(RN42_LINK1));
335 xprintf("LINK2: %s\r\n", get_link(RN42_LINK2));
336 xprintf("LINK3: %s\r\n", get_link(RN42_LINK3));
341 t = timer_read32()/1000;
342 b = battery_voltage();
343 xprintf("BAT: %umV\t", b);
344 xprintf("%02u:", t/3600);
345 xprintf("%02u:", t%3600/60);
346 xprintf("%02u\n", t%60);
349 if (config_mode) return false;
351 print("Auto mode\n");
359 /* RN-42 Command mode */
360 if (rn42_autoconnecting()) {
361 enter_command_mode();
363 command_state = CONSOLE;
368 command_state = ONESHOT;
377 if (host_get_driver() != &lufa_driver) {
378 // ignored unless USB mode
387 return false; // yield to default command
394 * sends charactors to the module
396 static uint8_t code2asc(uint8_t code);
397 bool command_console_extra(uint8_t code)
399 rn42_putc(code2asc(code));
403 // convert keycode into ascii charactor
404 static uint8_t code2asc(uint8_t code)
406 bool shifted = (get_mods() & (MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT))) ? true : false;
408 case KC_A: return (shifted ? 'A' : 'a');
409 case KC_B: return (shifted ? 'B' : 'b');
410 case KC_C: return (shifted ? 'C' : 'c');
411 case KC_D: return (shifted ? 'D' : 'd');
412 case KC_E: return (shifted ? 'E' : 'e');
413 case KC_F: return (shifted ? 'F' : 'f');
414 case KC_G: return (shifted ? 'G' : 'g');
415 case KC_H: return (shifted ? 'H' : 'h');
416 case KC_I: return (shifted ? 'I' : 'i');
417 case KC_J: return (shifted ? 'J' : 'j');
418 case KC_K: return (shifted ? 'K' : 'k');
419 case KC_L: return (shifted ? 'L' : 'l');
420 case KC_M: return (shifted ? 'M' : 'm');
421 case KC_N: return (shifted ? 'N' : 'n');
422 case KC_O: return (shifted ? 'O' : 'o');
423 case KC_P: return (shifted ? 'P' : 'p');
424 case KC_Q: return (shifted ? 'Q' : 'q');
425 case KC_R: return (shifted ? 'R' : 'r');
426 case KC_S: return (shifted ? 'S' : 's');
427 case KC_T: return (shifted ? 'T' : 't');
428 case KC_U: return (shifted ? 'U' : 'u');
429 case KC_V: return (shifted ? 'V' : 'v');
430 case KC_W: return (shifted ? 'W' : 'w');
431 case KC_X: return (shifted ? 'X' : 'x');
432 case KC_Y: return (shifted ? 'Y' : 'y');
433 case KC_Z: return (shifted ? 'Z' : 'z');
434 case KC_1: return (shifted ? '!' : '1');
435 case KC_2: return (shifted ? '@' : '2');
436 case KC_3: return (shifted ? '#' : '3');
437 case KC_4: return (shifted ? '$' : '4');
438 case KC_5: return (shifted ? '%' : '5');
439 case KC_6: return (shifted ? '^' : '6');
440 case KC_7: return (shifted ? '&' : '7');
441 case KC_8: return (shifted ? '*' : '8');
442 case KC_9: return (shifted ? '(' : '9');
443 case KC_0: return (shifted ? ')' : '0');
444 case KC_ENTER: return '\n';
445 case KC_ESCAPE: return 0x1B;
446 case KC_BSPACE: return '\b';
447 case KC_TAB: return '\t';
448 case KC_SPACE: return ' ';
449 case KC_MINUS: return (shifted ? '_' : '-');
450 case KC_EQUAL: return (shifted ? '+' : '=');
451 case KC_LBRACKET: return (shifted ? '{' : '[');
452 case KC_RBRACKET: return (shifted ? '}' : ']');
453 case KC_BSLASH: return (shifted ? '|' : '\\');
454 case KC_NONUS_HASH: return (shifted ? '|' : '\\');
455 case KC_SCOLON: return (shifted ? ':' : ';');
456 case KC_QUOTE: return (shifted ? '"' : '\'');
457 case KC_GRAVE: return (shifted ? '~' : '`');
458 case KC_COMMA: return (shifted ? '<' : ',');
459 case KC_DOT: return (shifted ? '>' : '.');
460 case KC_SLASH: return (shifted ? '?' : '/');
461 case KC_DELETE: return '\0'; // Delete to disconnect