+
+ int16_t c;
+ if (config_mode) {
+ while ((c = serial_recv2()) != -1) {
+ // without flow control it'll fail to receive data when flooded
+ rn42_cts_hi();
+ xprintf("%c", c);
+ rn42_cts_lo();
+ }
+ } else {
+ while ((c = serial_recv2()) != -1) {
+ // LED Out report: 0xFE, 0x02, 0x01, <leds>
+ // To get the report over UART set bit3 with SH, command.
+ static enum {LED_INIT, LED_FE, LED_02, LED_01} state = LED_INIT;
+ xprintf("%X\n", c);
+ switch (state) {
+ case LED_INIT:
+ if (c == 0xFE) state = LED_FE;
+ else state = LED_INIT;
+ break;
+ case LED_FE:
+ if (c == 0x02) state = LED_02;
+ else state = LED_INIT;
+ break;
+ case LED_02:
+ if (c == 0x01) state = LED_01;
+ else state = LED_INIT;
+ break;
+ case LED_01:
+ // TODO: move to rn42.c and make accessible with keyboard_leds()
+ xprintf("LED status: %X\n", c);
+ state = LED_INIT;
+ break;
+ default:
+ state = LED_INIT;
+ }
+ }
+ }
+
+ /* Bluetooth mode when ready */
+ if (!config_mode && !force_usb) {
+ if (!rn42_rts() && host_get_driver() != &rn42_driver) {
+ clear_keyboard();
+ host_set_driver(&rn42_driver);
+ } else if (rn42_rts() && host_get_driver() != &lufa_driver) {
+ clear_keyboard();
+ host_set_driver(&lufa_driver);
+ }
+ }
+ }
+}
+
+
+/******************************************************************************
+ * Command
+ ******************************************************************************/
+bool command_extra(uint8_t code)
+{
+ static host_driver_t *prev_driver = &rn42_driver;
+ switch (code) {
+ case KC_H:
+ case KC_SLASH: /* ? */
+ print("\n\n----- Bluetooth RN-42 Help -----\n");
+ print("Del: auto_connect/disconnect(enter/exit config mode)\n");
+ print("i: RN-42 info\n");
+ print("b: battery voltage\n");
+
+ if (config_mode) {
+ return true;
+ } else {
+ print("u: Force USB mode\n");
+ return false; // to display default command help
+ }
+ case KC_DELETE:
+ if (rn42_autoconnecting()) {
+ rn42_disconnect();
+ print("\nRN-42: disconnect\n");
+ print("Enter config mode\n");
+ print("type $$$ to start and + for local echo\n");
+ command_state = CONSOLE;
+ config_mode = true;
+ prev_driver = host_get_driver();
+ clear_keyboard();
+ host_set_driver(&rn42_config_driver); // null driver; not to send a key to host
+ } else {
+ rn42_autoconnect();
+ print("\nRN-42: auto_connect\n");
+ print("Exit config mode\n");
+ command_state = ONESHOT;
+ config_mode = false;
+ clear_keyboard();
+ host_set_driver(prev_driver);
+ }
+ return true;
+ case KC_U:
+ if (config_mode) return false;
+ if (force_usb) {
+ print("Auto mode\n");
+ force_usb = false;
+ } else {
+ print("USB mode\n");
+ force_usb = true;
+ clear_keyboard();
+ host_set_driver(&lufa_driver);
+ }
+ return true;
+ case KC_I:
+ print("\n----- RN-42 info -----\n");
+ xprintf("protocol: %s\n", (host_get_driver() == &rn42_driver) ? "RN-42" : "LUFA");
+ xprintf("force_usb: %X\n", force_usb);
+ xprintf("rn42_autoconnecting(): %X\n", rn42_autoconnecting());
+ xprintf("rn42_rts(): %X\n", rn42_rts());
+ xprintf("config_mode: %X\n", config_mode);
+ return true;
+ case KC_B:
+ // battery monitor
+ ADCSRA |= (1<<ADEN) | (1<<ADSC);
+ while (ADCSRA & (1<<ADSC)) ;
+ uint16_t bat = ADCL;
+ bat = ADCH<<8 | bat;
+ xprintf("BAT: %04X\n", bat);
+
+ ADCSRA |= (1<<ADEN) | (1<<ADSC);
+ while (ADCSRA & (1<<ADSC)) ;
+ bat = ADCL;
+ bat = ADCH<<8 | bat;
+ xprintf("BAT: %04X\n", bat);
+
+ ADCSRA &= ~(1<<ADEN);
+ return true;
+ default:
+ if (config_mode)
+ return true;
+ else
+ return false; // exec default command
+ }
+ return true;
+}
+
+static uint8_t code2asc(uint8_t code);
+bool command_console_extra(uint8_t code)
+{
+ switch (code) {
+ default:
+ rn42_putc(code2asc(code));
+ return true;