Exemplo n.º 1
0
bool command_extra(uint8_t code)
{
    uint32_t t;
    uint16_t b;
    switch (code) {
        case KC_H:
        case KC_SLASH: /* ? */
            print("\n\n----- Bluetooth RN-42 Help -----\n");
            print("i:       RN-42 info\n");
            print("b:       battery voltage\n");
            print("Del:     enter/exit RN-42 config mode\n");
            print("Slck:    RN-42 initialize\n");

            print("1-4:     restore link\n");
            print("F1-F4:   store link\n");

            print("p:       pairing\n");

            if (config_mode) {
                return true;
            } else {
                print("u:       toggle Force USB mode\n");
                return false;   // to display default command help
            }
        case KC_P:
            pairing();
            return true;

        /* Store link address to EEPROM */
        case KC_F1:
            store_link(RN42_LINK0);
            return true;
        case KC_F2:
            store_link(RN42_LINK1);
            return true;
        case KC_F3:
            store_link(RN42_LINK2);
            return true;
        case KC_F4:
            store_link(RN42_LINK3);
            return true;
        /* Restore link address to EEPROM */
        case KC_1:
            restore_link(RN42_LINK0);
            return true;
        case KC_2:
            restore_link(RN42_LINK1);
            return true;
        case KC_3:
            restore_link(RN42_LINK2);
            return true;
        case KC_4:
            restore_link(RN42_LINK3);
            return true;
	    
        case KC_5:
	  xprintf("blah! \n");
            //rn42_cts_hi(); 
	    if (stay_connected == 1){
	      dprintf("Disconnect after 5 min.\n");		
	      stay_connected = !stay_connected;
	    }else{
	      dprintf("Stay connected.\n");
	      stay_connected = 1;
	      //last_press_timer = timer_read32();
	    }
	    return true;

        case KC_6:
            clear_keyboard();
            host_set_driver(&rn42_config_driver);   // null driver; not to send a key to host
            rn42_disconnect();
            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: %s\n", rn42_rts() ? "OFF" : (rn42_linked() ? "CONN" : "ON"));
            xprintf("rn42_autoconnecting(): %X\n", rn42_autoconnecting());
            xprintf("config_mode: %X\n", config_mode);
            xprintf("USB State: %s\n",
                    (USB_DeviceState == DEVICE_STATE_Unattached) ? "Unattached" :
                    (USB_DeviceState == DEVICE_STATE_Powered) ? "Powered" :
                    (USB_DeviceState == DEVICE_STATE_Default) ? "Default" :
                    (USB_DeviceState == DEVICE_STATE_Addressed) ? "Addressed" :
                    (USB_DeviceState == DEVICE_STATE_Configured) ? "Configured" :
                    (USB_DeviceState == DEVICE_STATE_Suspended) ? "Suspended" : "?");
            xprintf("battery: ");
            switch (battery_status()) {
                case FULL_CHARGED:  xprintf("FULL"); break;
                case CHARGING:      xprintf("CHARG"); break;
                case DISCHARGING:   xprintf("DISCHG"); break;
                case LOW_VOLTAGE:   xprintf("LOW"); break;
                default:            xprintf("?"); break;
            };
            xprintf("\n");
            xprintf("RemoteWakeupEnabled: %X\n", USB_Device_RemoteWakeupEnabled);
            xprintf("VBUS: %X\n", USBSTA&(1<<VBUS));
            t = timer_read32()/1000;
            uint8_t d = t/3600/24;
            uint8_t h = t/3600;
            uint8_t m = t%3600/60;
            uint8_t s = t%60;
            xprintf("uptime: %02u %02u:%02u:%02u\n", d, h, m, s);

            xprintf("LINK0: %s\r\n", get_link(RN42_LINK0));
            xprintf("LINK1: %s\r\n", get_link(RN42_LINK1));
            xprintf("LINK2: %s\r\n", get_link(RN42_LINK2));
            xprintf("LINK3: %s\r\n", get_link(RN42_LINK3));

            return true;
        case KC_B:
            // battery monitor
            t = timer_read32()/1000;
            b = battery_voltage();
            xprintf("BAT: %umV\t", b);
            xprintf("%02u:",   t/3600);
            xprintf("%02u:",   t%3600/60);
            xprintf("%02u\n",  t%60);
            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");                
                clear_keyboard();
                host_set_driver(&rn42_driver);
            }
            return true;
        case KC_DELETE:
            /* RN-42 Command mode */
            if (rn42_autoconnecting()) {
                enter_command_mode();

                command_state = CONSOLE;
                config_mode = true;
            } else {
                exit_command_mode();

                command_state = ONESHOT;
                config_mode = false;
            }
            return true;
        case KC_SCROLLLOCK:
            init_rn42();
            return true;
        default:
            if (config_mode)
                return true;
            else
                return false;   // yield to default command
    }
    return true;
}
Exemplo n.º 2
0
/*
  void pid_loop()

    Calculates the updated PID
    output and parameters for each
    iteration.
*/
void pid_loop()
{
  if (pid_state != PID_RUNNING)
    return;

  uint32 dummy_time;
  boolean is_update_pid =
    timer_is_elapsed32((pid_last_timestamp + PID_LOOP_WAIT_IN_NS), &dummy_time);
  if (!is_update_pid)
  {
    DEBUG_MSG_HIGH(DEBUG_MODULE_PID, "Timer not expired. Time: %d", dummy_time);
    return;
  }

  /* Update the last time PID was read for scheduling next iteration. */
  pid_last_timestamp = timer_read32();

  /* Read updated temperatures. If last reading was invalid,
     skip this PID loop iteration. */
  therm_reading_t *temp = &(pid_params.temp);
  therm_read(temp);
  if (!temp->is_valid)
  {
    DEBUG_MSG_HIGH(DEBUG_MODULE_PID, "Temperature read failed");
    return;
  }

  /* Do PID calculation. */
  float t_current = pid_params.temp.temperature;
  float t_desired = pid_params.temp_setpoint;
  pid_gain_params *gain_p = &(pid_params.gain);
  pid_error_params *error_p = &(pid_params.error);

  float err, err_i, err_d;
  err   = t_desired - t_current;
  err_i = err + error_p->err_i;  
  err_d = err - error_p->err;

  float p, i, d;
  p = gain_p->k_p * err;
  i = gain_p->k_i * err_i;  
  d = gain_p->k_d * err_d;

  /* Scale/saturate the PID output and set the duty cycle. */
  float pid_raw = p + i + d;

  /* Add 0.5 to do rounding with truncation. */
  float pid_scaled = pid_raw + 0.5;
  pid_scaled = MAX(pid_raw, 0);
  pid_scaled = MIN(pid_scaled, 100);


  pwm_set_duty((uint32)pid_scaled);

  /* Calculate saturation error for anti-windup loop. */
  float err_saturate = (pid_scaled - pid_raw) * (gain_p->k_windup);

  /* Update error for next iteration. */
  error_p->err = err;
  error_p->err_d = err_d;
  error_p->err_i = err_i + err_saturate;

  DEBUG_MSG_MED(DEBUG_MODULE_PID, "err: %5.2f, err_d: %5.2f, err_i: %5.2f, err_sat: %5.2f",
                 error_p->err, error_p->err_d, error_p->err_i, err_saturate);
  DEBUG_MSG_MED(DEBUG_MODULE_PID, "pid_raw: %5.2f, pid_scaled: %5.2f",
                 pid_raw, pid_scaled);
}
Exemplo n.º 3
0
bool process_record_user(uint16_t keycode, keyrecord_t *record) {
    static uint32_t key_timer;

    switch (keycode) {
        case L_BRI:
            if (record->event.pressed) {
                if (LED_GCR_STEP > LED_GCR_MAX - gcr_desired) gcr_desired = LED_GCR_MAX;
                else gcr_desired += LED_GCR_STEP;
                if (led_animation_breathing) gcr_breathe = gcr_desired;
            }
            return false;
        case L_BRD:
            if (record->event.pressed) {
                if (LED_GCR_STEP > gcr_desired) gcr_desired = 0;
                else gcr_desired -= LED_GCR_STEP;
                if (led_animation_breathing) gcr_breathe = gcr_desired;
            }
            return false;
        case L_PTN:
            if (record->event.pressed) {
                if (led_animation_id == led_setups_count - 1) led_animation_id = 0;
                else led_animation_id++;
            }
            return false;
        case L_PTP:
            if (record->event.pressed) {
                if (led_animation_id == 0) led_animation_id = led_setups_count - 1;
                else led_animation_id--;
            }
            return false;
        case L_PSI:
            if (record->event.pressed) {
                led_animation_speed += ANIMATION_SPEED_STEP;
            }
            return false;
        case L_PSD:
            if (record->event.pressed) {
                led_animation_speed -= ANIMATION_SPEED_STEP;
                if (led_animation_speed < 0) led_animation_speed = 0;
            }
            return false;
        case L_T_MD:
            if (record->event.pressed) {
                led_lighting_mode++;
                if (led_lighting_mode > LED_MODE_MAX_INDEX) led_lighting_mode = LED_MODE_NORMAL;
            }
            return false;
        case L_T_ONF:
            if (record->event.pressed) {
                led_enabled = !led_enabled;
                I2C3733_Control_Set(led_enabled);
            }
            return false;
        case L_ON:
            if (record->event.pressed) {
                led_enabled = 1;
                I2C3733_Control_Set(led_enabled);
            }
            return false;
        case L_OFF:
            if (record->event.pressed) {
                led_enabled = 0;
                I2C3733_Control_Set(led_enabled);
            }
            return false;
        case L_T_BR:
            if (record->event.pressed) {
                led_animation_breathing = !led_animation_breathing;
                if (led_animation_breathing) {
                    gcr_breathe = gcr_desired;
                    led_animation_breathe_cur = BREATHE_MIN_STEP;
                    breathe_dir = 1;
                }
            }
            return false;
        case L_T_PTD:
            if (record->event.pressed) {
                led_animation_direction = !led_animation_direction;
            }
            return false;
        case U_T_AGCR:
            if (record->event.pressed && MODS_SHIFT && MODS_CTRL) {
                TOGGLE_FLAG_AND_PRINT(usb_gcr_auto, "USB GCR auto mode");
            }
            return false;
        case DBG_TOG:
            if (record->event.pressed) {
                TOGGLE_FLAG_AND_PRINT(debug_enable, "Debug mode");
            }
            return false;
        case DBG_MTRX:
            if (record->event.pressed) {
                TOGGLE_FLAG_AND_PRINT(debug_matrix, "Debug matrix");
            }
            return false;
        case DBG_KBD:
            if (record->event.pressed) {
                TOGGLE_FLAG_AND_PRINT(debug_keyboard, "Debug keyboard");
            }
            return false;
        case DBG_MOU:
            if (record->event.pressed) {
                TOGGLE_FLAG_AND_PRINT(debug_mouse, "Debug mouse");
            }
            return false;
        case MD_BOOT:
            if (record->event.pressed) {
                key_timer = timer_read32();
            } else {
                if (timer_elapsed32(key_timer) >= 500) {
                    reset_keyboard();
                }
            }
            return false;
        default:
            return true; //Process all other keycodes normally
    }
}
Exemplo n.º 4
0
uint8_t matrix_scan(void)
{
    uint8_t *tmp;

    tmp = matrix_prev;
    matrix_prev = matrix;
    matrix = tmp;

    // power on
    if (!KEY_POWER_STATE()) KEY_POWER_ON();
    for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
        for (uint8_t col = 0; col < MATRIX_COLS; col++) {
            KEY_SELECT(row, col);
            _delay_us(5);

            // Not sure this is needed. This just emulates HHKB controller's behaviour.
            if (matrix_prev[row] & (1<<col)) {
                KEY_PREV_ON();
            }
            _delay_us(10);

            // NOTE: KEY_STATE is valid only in 20us after KEY_ENABLE.
            // If V-USB interrupts in this section we could lose 40us or so
            // and would read invalid value from KEY_STATE.
            uint8_t last = TIMER_RAW;

            KEY_ENABLE();

            // Wait for KEY_STATE outputs its value.
            // 1us was ok on one HHKB, but not worked on another.
            // no   wait doesn't work on Teensy++ with pro(1us works)
            // no   wait does    work on tmk PCB(8MHz) with pro2
            // 1us  wait does    work on both of above
            // 1us  wait doesn't work on tmk(16MHz)
            // 5us  wait does    work on tmk(16MHz)
            // 5us  wait does    work on tmk(16MHz/2)
            // 5us  wait does    work on tmk(8MHz)
            // 10us wait does    work on Teensy++ with pro
            // 10us wait does    work on 328p+iwrap with pro
            // 10us wait doesn't work on tmk PCB(8MHz) with pro2(very lagged scan)
            _delay_us(5);

            if (KEY_STATE()) {
                matrix[row] &= ~(1<<col);
            } else {
                matrix[row] |= (1<<col);
            }

            // Ignore if this code region execution time elapses more than 20us.
            // MEMO: 20[us] * (TIMER_RAW_FREQ / 1000000)[count per us]
            // MEMO: then change above using this rule: a/(b/c) = a*1/(b/c) = a*(c/b)
            if (TIMER_DIFF_RAW(TIMER_RAW, last) > 20/(1000000/TIMER_RAW_FREQ)) {
                matrix[row] = matrix_prev[row];
            }

            _delay_us(5);
            KEY_PREV_OFF();
            KEY_UNABLE();

            // NOTE: KEY_STATE keep its state in 20us after KEY_ENABLE.
            // This takes 25us or more to make sure KEY_STATE returns to idle state.
#ifdef HHKB_JP
            // Looks like JP needs faster scan due to its twice larger matrix
            // or it can drop keys in fast key typing
            _delay_us(30);
#else
            _delay_us(75);
#endif
        }
        if (matrix[row] ^ matrix_prev[row]) matrix_last_modified = timer_read32();
    }
    // power off
    if (KEY_POWER_STATE() &&
            (USB_DeviceState == DEVICE_STATE_Suspended ||
             USB_DeviceState == DEVICE_STATE_Unattached ) &&
            timer_elapsed32(matrix_last_modified) > MATRIX_POWER_SAVE) {
        KEY_POWER_OFF();
        suspend_power_down();
    }
    return 1;
}
Exemplo n.º 5
0
void rn42_task(void)
{
    int16_t c;
    // Raw mode: interpret output report of LED state
    while ((c = rn42_getc()) != -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;
        switch (state) {
            case LED_INIT:
                if (c == 0xFE) state = LED_FE;
                else {
                    if (0x0 <= c && c <= 0x7f) xprintf("%c", c);
                    else xprintf(" %02X", c);
                }
                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:
                dprintf("LED status: %02X\n", c);
                rn42_set_leds(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);
        }
    }


    static uint16_t prev_timer = 0;
    uint16_t e = timer_elapsed(prev_timer);
    if (e > 1000) {
        /* every second */
        prev_timer += e/1000*1000;

        /* Low voltage alert */
        uint8_t bs = battery_status();
        if (bs == LOW_VOLTAGE) {
            battery_led(LED_ON);
        } else {
            battery_led(LED_CHARGER);
        }

        /* every minute */
        uint32_t t = timer_read32()/1000;
        if (t%60 == 0) {
            uint16_t v = battery_voltage();
            uint8_t h = t/3600;
            uint8_t m = t%3600/60;
            uint8_t s = t%60;
            dprintf("%02u:%02u:%02u\t%umV\n", h, m, s, v);
            /* TODO: xprintf doesn't work for this.
            xprintf("%02u:%02u:%02u\t%umV\n", (t/3600), (t%3600/60), (t%60), v);
            */
        }
    }


    /* Connection monitor */
    if (!rn42_rts() && rn42_linked()) {
        status_led(true);
    } else {
        status_led(false);
    }
}
Exemplo n.º 6
0
uint32_t timer_elapsed32(uint32_t tlast)
{
    return TIMER_DIFF_32(timer_read32(), tlast);
}
Exemplo n.º 7
0
static bool command_common(uint8_t code)
{
#ifdef KEYBOARD_LOCK_ENABLE
    static host_driver_t *host_driver = 0;
#endif
#ifdef SLEEP_LED_ENABLE
    static bool sleep_led_test = false;
#endif
    switch (code) {
#ifdef SLEEP_LED_ENABLE
        case KC_Z:
            // test breathing sleep LED
            print("Sleep LED test\n");
            if (sleep_led_test) {
                sleep_led_disable();
                led_set(host_keyboard_leds());
            } else {
                sleep_led_enable();
            }
            sleep_led_test = !sleep_led_test;
            break;
#endif
#ifdef BOOTMAGIC_ENABLE
        case KC_E:
            print("eeconfig:\n");
            print_eeconfig();
            break;
#endif
#ifdef KEYBOARD_LOCK_ENABLE
        case KC_CAPSLOCK:
            if (host_get_driver()) {
                host_driver = host_get_driver();
                clear_keyboard();
                host_set_driver(0);
                print("Locked.\n");
            } else {
                host_set_driver(host_driver);
                print("Unlocked.\n");
            }
            break;
#endif
        case KC_H:
        case KC_SLASH: /* ? */
            command_common_help();
            break;
        case KC_C:
            debug_matrix   = false;
            debug_keyboard = false;
            debug_mouse    = false;
            debug_enable   = false;
            command_console_help();
            print("C> ");
            command_state = CONSOLE;
            break;
        case KC_PAUSE:
            clear_keyboard();
            print("\n\nbootloader... ");
            wait_ms(1000);
            bootloader_jump(); // not return
            break;
        case KC_D:
            if (debug_enable) {
                print("\ndebug: off\n");
                debug_matrix   = false;
                debug_keyboard = false;
                debug_mouse    = false;
                debug_enable   = false;
            } else {
                print("\ndebug: on\n");
                debug_enable   = true;
            }
            break;
        case KC_X: // debug matrix toggle
            debug_matrix = !debug_matrix;
            if (debug_matrix) {
                print("\nmatrix: on\n");
                debug_enable = true;
            } else {
                print("\nmatrix: off\n");
            }
            break;
        case KC_K: // debug keyboard toggle
            debug_keyboard = !debug_keyboard;
            if (debug_keyboard) {
                print("\nkeyboard: on\n");
                debug_enable = true;
            } else {
                print("\nkeyboard: off\n");
            }
            break;
        case KC_M: // debug mouse toggle
            debug_mouse = !debug_mouse;
            if (debug_mouse) {
                print("\nmouse: on\n");
                debug_enable = true;
            } else {
                print("\nmouse: off\n");
            }
            break;
        case KC_V: // print version & information
            print("\n\t- Version -\n");
            print("DESC: " STR(DESCRIPTION) "\n");
            print("VID: " STR(VENDOR_ID) "(" STR(MANUFACTURER) ") "
                  "PID: " STR(PRODUCT_ID) "(" STR(PRODUCT) ") "
                  "VER: " STR(DEVICE_VER) "\n");
            print("BUILD: " STR(VERSION) " (" __TIME__ " " __DATE__ ")\n");
            /* build options */
            print("OPTIONS:"
#ifdef PROTOCOL_PJRC
            " PJRC"
#endif
#ifdef PROTOCOL_LUFA
            " LUFA"
#endif
#ifdef PROTOCOL_VUSB
            " VUSB"
#endif
#ifdef PROTOCOL_CHIBIOS
            " CHIBIOS"
#endif
#ifdef BOOTMAGIC_ENABLE
            " BOOTMAGIC"
#endif
#ifdef MOUSEKEY_ENABLE
            " MOUSEKEY"
#endif
#ifdef EXTRAKEY_ENABLE
            " EXTRAKEY"
#endif
#ifdef CONSOLE_ENABLE
            " CONSOLE"
#endif
#ifdef COMMAND_ENABLE
            " COMMAND"
#endif
#ifdef NKRO_ENABLE
            " NKRO"
#endif
#ifdef KEYMAP_SECTION_ENABLE
            " KEYMAP_SECTION"
#endif
            " " STR(BOOTLOADER_SIZE) "\n");

            print("GCC: " STR(__GNUC__) "." STR(__GNUC_MINOR__) "." STR(__GNUC_PATCHLEVEL__)
#if defined(__AVR__)
                  " AVR-LIBC: " __AVR_LIBC_VERSION_STRING__
                  " AVR_ARCH: avr" STR(__AVR_ARCH__) "\n");
#elif defined(__arm__)
            // TODO
            );
#endif
            break;
        case KC_S:
            print("\n\t- Status -\n");
            print_val_hex8(host_keyboard_leds());
            print_val_hex8(keyboard_protocol);
            print_val_hex8(keyboard_idle);
#ifdef NKRO_ENABLE
            print_val_hex8(keyboard_nkro);
#endif
            print_val_hex32(timer_read32());

#ifdef PROTOCOL_PJRC
            print_val_hex8(UDCON);
            print_val_hex8(UDIEN);
            print_val_hex8(UDINT);
            print_val_hex8(usb_keyboard_leds);
            print_val_hex8(usb_keyboard_idle_count);
#endif

#ifdef PROTOCOL_PJRC
#   if USB_COUNT_SOF
            print_val_hex8(usbSofCount);
#   endif
#endif
            break;
#ifdef NKRO_ENABLE
        case KC_N:
            clear_keyboard(); //Prevents stuck keys.
            keyboard_nkro = !keyboard_nkro;
            if (keyboard_nkro) {
                print("NKRO: on\n");
            } else {
                print("NKRO: off\n");
            }
            break;
#endif
        case KC_ESC:
        case KC_GRV:
        case KC_0:
        case KC_F10:
            switch_default_layer(0);
            break;
        case KC_1 ... KC_9:
            switch_default_layer((code - KC_1) + 1);
            break;
        case KC_F1 ... KC_F9:
            switch_default_layer((code - KC_F1) + 1);
            break;
        default:
            print("?");
            return false;
    }
Exemplo n.º 8
0
uint8_t matrix_scan(void)
{
    if (mcp23018_status) { // if there was an error
        if (++mcp23018_reset_loop == 0) {
            // since mcp23018_reset_loop is 8 bit - we'll try to reset once in 255 matrix scans
            // this will be approx bit more frequent than once per second
            print("trying to reset mcp23018\n");
            mcp23018_status = init_mcp23018();
            if (mcp23018_status) {
                print("left side not responding\n");
            } else {
                print("left side attached\n");
                ergodox_blink_all_leds();
            }
        }
    }

#ifdef DEBUG_MATRIX_SCAN_RATE
    matrix_scan_count++;

    uint32_t timer_now = timer_read32();
    if (TIMER_DIFF_32(timer_now, matrix_timer)>1000) {
        print("matrix scan frequency: ");
        pdec(matrix_scan_count);
        print("\n");

        matrix_timer = timer_now;
        matrix_scan_count = 0;
    }
#endif

#ifdef SHOW_LAYER_LEDS
    uint8_t layer = biton32(layer_state);

    // use the leds 2 and 3 to show which layer is currently active
    ergodox_board_led_off();
    ergodox_right_led_2_off();
    ergodox_right_led_3_off();
    switch (layer) {
        case 0:
            // no leds
            break;
        case 1:
            ergodox_right_led_3_on();
            break;
        case 2:
            ergodox_right_led_2_on();
            break;
        case 3:
            ergodox_right_led_2_on();
            ergodox_right_led_3_on();
            break;
    }
#endif

#ifdef KEYMAP_CUB
    uint8_t layer = biton32(layer_state);

    ergodox_board_led_off();
    ergodox_right_led_1_off();
    ergodox_right_led_2_off();
    ergodox_right_led_3_off();
    switch (layer) {
        case 1:
            // no leds
            break;
        case 2:
            // blue
            ergodox_left_led_2_on();
            break;
        case 8:
            // blue and green
            ergodox_left_led_2_on();
            // break missed intentionally
        case 3:
            // green
            ergodox_left_led_3_on();
            break;
        case 6:
            ergodox_board_led_on();
            // break missed intentionally
        case 4:
        case 5:
        case 7:
            // white
            ergodox_left_led_1_on();
            break;
        case 9:
            // white+green
            ergodox_left_led_1_on();
            ergodox_left_led_3_on();
            break;
        default:
            // none
            break;
    }

    mcp23018_status = ergodox_left_leds_update();
#endif

    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
        select_row(i);
        matrix_row_t cols = read_cols(i);
        if (matrix_debouncing[i] != cols) {
            matrix_debouncing[i] = cols;
            if (debouncing) {
                debug("bounce!: "); debug_hex(debouncing); debug("\n");
            }
            debouncing = DEBOUNCE;
        }
        unselect_rows();
    }

    if (debouncing) {
        if (--debouncing) {
            _delay_ms(1);
        } else {
            for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
                matrix[i] = matrix_debouncing[i];
            }
        }
    }

    return 1;
}