Add RN-42 Bluetooth module support
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					 6 changed files with 696 additions and 6 deletions
				
			
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			@ -4,8 +4,18 @@
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#include "lufa.h"
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#include "print.h"
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#include "sendchar.h"
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#include "rn42.h"
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#include "serial.h"
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#include "keyboard.h"
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#include "command.h"
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#include "keycode.h"
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#include "action.h"
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#include "action_util.h"
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#include "wait.h"
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bool config_mode = false;
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static void SetupHardware(void)
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{
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    /* Disable watchdog if enabled by bootloader/fuses */
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			@ -25,14 +35,17 @@ static void SetupHardware(void)
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    print_set_sendchar(sendchar);
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}
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static bool force_usb = false;
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int main(void)  __attribute__ ((weak));
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int main(void)
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{
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    SetupHardware();
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    sei();
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    /* wait for USB startup & debug output */
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    while (USB_DeviceState != DEVICE_STATE_Configured) {
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    /* wait for USB startup to get ready for debug output */
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    uint8_t timeout = 255;  // timeout when USB is not available(Bluetooth)
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    while (timeout-- && USB_DeviceState != DEVICE_STATE_Configured) {
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        wait_ms(4);
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#if defined(INTERRUPT_CONTROL_ENDPOINT)
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        ;
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#else
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			@ -41,27 +54,240 @@ int main(void)
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    }
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    print("USB configured.\n");
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    rn42_init();
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    print("RN-42 init\n");
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    /* init modules */
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    keyboard_init();
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    host_set_driver(&lufa_driver);
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    if (rn42_ready()) {
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        host_set_driver(&rn42_driver);
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    } else {
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        host_set_driver(&lufa_driver);
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    }
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#ifdef SLEEP_LED_ENABLE
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    sleep_led_init();
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#endif
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    print("Keyboard start.\n");
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    while (1) {
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/*
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        while (USB_DeviceState == DEVICE_STATE_Suspended) {
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            suspend_power_down();
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            if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) {
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                    USB_Device_SendRemoteWakeup();
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            }
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        }
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*/
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        keyboard_task();
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#if !defined(INTERRUPT_CONTROL_ENDPOINT)
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        USB_USBTask();
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#endif
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        int16_t c;
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        if (config_mode) {
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            while ((c = serial_recv2()) != -1) xprintf("%c", c);
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        } else {
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            while ((c = serial_recv2()) != -1) {
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                // LED Out report: 0xFE, 0x02, 0x01, <leds>
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                // To get the report over UART set bit3 with SH, command.
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                static enum {LED_INIT, LED_FE, LED_02, LED_01} state = LED_INIT;
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                xprintf("%X\n", c);
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                switch (state) {
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                    case LED_INIT:
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                        if (c == 0xFE) state = LED_FE;
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                        else           state = LED_INIT;
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                        break;
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                    case LED_FE:
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                        if (c == 0x02) state = LED_02;
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                        else           state = LED_INIT;
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                        break;
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                    case LED_02:
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                        if (c == 0x01) state = LED_01;
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                        else           state = LED_INIT;
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                        break;
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                    case LED_01:
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                        // TODO: move to rn42.c and make accessible with keyboard_leds()
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                        xprintf("LED status: %X\n", c);
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                        state = LED_INIT;
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                        break;
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                    default:
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                        state = LED_INIT;
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                }
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            }
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        }
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        /* Bluetooth mode when ready */
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        if (!force_usb) {
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            if (rn42_ready() && host_get_driver() != &rn42_driver) {
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                clear_keyboard();
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                host_set_driver(&rn42_driver);
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            } else if (!rn42_ready() && host_get_driver() != &lufa_driver) {
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                clear_keyboard();
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                host_set_driver(&lufa_driver);
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            }
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        }
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    }
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}
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static bool local_echo = false;
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bool command_extra(uint8_t code)
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{
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    static host_driver_t *prev_driver = &rn42_driver;
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    switch (code) {
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        case KC_H:
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        case KC_SLASH: /* ? */
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            print("\n\n----- Bluetooth RN-42 Help -----\n");
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            print("w:   toggle RN-42 config mode(enter/exit)\n");
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            print("l:   toggle print module output(local echo)\n");
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            print("a:   Bluetooth auto connect\n");
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            print("del: Bluetooth disconnect\n");
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            print("i:   info\n");
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            if (config_mode) {
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                return true;
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            } else {
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                print("u:   force USB mode\n");
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                return false;   // to display default command help
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            }
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        case KC_W:
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            if (!config_mode) {
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                print("\nEnter RN-42 config mode\n");
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                print("type $$$ to enter RN-42 command mode\n");
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                print("type Delete to disconnect Bluetooth connection\n");
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                command_state = CONSOLE;
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                config_mode = true;
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                prev_driver = host_get_driver();
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                clear_keyboard();
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                host_set_driver(&rn42_config_driver);
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            } else {
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                print("\nExit RN-42 config mode\n");
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                command_state = ONESHOT;
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                config_mode = false;
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                clear_keyboard();
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                host_set_driver(prev_driver);
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            }
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            return true;
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        case KC_L:
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            if (local_echo) {
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                print("local echo off\n");
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                local_echo = false;
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            } else {
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                print("local echo on\n");
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                local_echo = true;
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            }
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            return true;
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        case KC_U:
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            if (config_mode) return false;
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            if (force_usb) {
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                print("Auto mode\n");
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                force_usb = false;
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            } else {
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                print("USB mode\n");
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                force_usb = true;
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                clear_keyboard();
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                host_set_driver(&lufa_driver);
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            }
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            return true;
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        case KC_A:
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            print("auto connect\n");
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            rn42_autoconnect();
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            return true;
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        case KC_DELETE:
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            print("disconnect\n");
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            rn42_disconnect();
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            //rn42_putc('\0');    // see 5.3.4.4 DISCONNECT KEY of User's Guide
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            return true;
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        case KC_I:
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            print("\nRN-42 info\n");
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            xprintf("protocol: %s\n", (host_get_driver() == &rn42_driver) ? "RN-42" : "LUFA");
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            xprintf("force_usb: %X\n", force_usb);
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            xprintf("rn42_ready(): %X\n", rn42_ready());
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            xprintf("config_mode: %X\n", config_mode);
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            return true;
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        default:
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            if (config_mode)
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                return true;
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            else
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                return false;   // exec default command
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    }
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    return true;
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}
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static uint8_t code2asc(uint8_t code);
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bool command_console_extra(uint8_t code)
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{
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    switch (code) {
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        default:
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            rn42_putc(code2asc(code));
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            if (local_echo) xprintf("%c", code2asc(code));
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            return true;
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    }
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    return false;
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}
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// convert keycode into ascii charactor
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static uint8_t code2asc(uint8_t code)
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{
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    bool shifted = (get_mods() & (MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT))) ? true : false;
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    switch (code) {
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        case KC_A: return (shifted ? 'A' : 'a');
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        case KC_B: return (shifted ? 'B' : 'b');
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        case KC_C: return (shifted ? 'C' : 'c');
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        case KC_D: return (shifted ? 'D' : 'd');
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        case KC_E: return (shifted ? 'E' : 'e');
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        case KC_F: return (shifted ? 'F' : 'f');
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        case KC_G: return (shifted ? 'G' : 'g');
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        case KC_H: return (shifted ? 'H' : 'h');
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        case KC_I: return (shifted ? 'I' : 'i');
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        case KC_J: return (shifted ? 'J' : 'j');
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        case KC_K: return (shifted ? 'K' : 'k');
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        case KC_L: return (shifted ? 'L' : 'l');
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        case KC_M: return (shifted ? 'M' : 'm');
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        case KC_N: return (shifted ? 'N' : 'n');
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        case KC_O: return (shifted ? 'O' : 'o');
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        case KC_P: return (shifted ? 'P' : 'p');
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        case KC_Q: return (shifted ? 'Q' : 'q');
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        case KC_R: return (shifted ? 'R' : 'r');
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        case KC_S: return (shifted ? 'S' : 's');
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        case KC_T: return (shifted ? 'T' : 't');
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        case KC_U: return (shifted ? 'U' : 'u');
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        case KC_V: return (shifted ? 'V' : 'v');
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        case KC_W: return (shifted ? 'W' : 'w');
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        case KC_X: return (shifted ? 'X' : 'x');
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        case KC_Y: return (shifted ? 'Y' : 'y');
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        case KC_Z: return (shifted ? 'Z' : 'z');
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        case KC_1: return (shifted ? '!' : '1');
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        case KC_2: return (shifted ? '@' : '2');
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        case KC_3: return (shifted ? '#' : '3');
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        case KC_4: return (shifted ? '$' : '4');
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        case KC_5: return (shifted ? '%' : '5');
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        case KC_6: return (shifted ? '^' : '6');
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        case KC_7: return (shifted ? '&' : '7');
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        case KC_8: return (shifted ? '*' : '8');
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        case KC_9: return (shifted ? '(' : '9');
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        case KC_0: return (shifted ? ')' : '0');
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        case KC_ENTER: return '\n';
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        case KC_ESCAPE: return 0x1B;
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        case KC_BSPACE: return '\b';
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        case KC_TAB: return '\t';
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        case KC_SPACE: return ' ';
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        case KC_MINUS: return (shifted ? '_' : '-');
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        case KC_EQUAL: return (shifted ? '+' : '=');
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        case KC_LBRACKET: return (shifted ? '{' : '[');
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        case KC_RBRACKET: return (shifted ? '}' : ']');
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        case KC_BSLASH: return (shifted ? '|' : '\\');
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        case KC_NONUS_HASH: return (shifted ? '|' : '\\');
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        case KC_SCOLON: return (shifted ? ':' : ';');
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        case KC_QUOTE: return (shifted ? '"' : '\'');
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        case KC_GRAVE: return (shifted ? '~' : '`');
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        case KC_COMMA: return (shifted ? '<' : ',');
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        case KC_DOT: return (shifted ? '>' : '.');
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        case KC_SLASH: return (shifted ? '?' : '/');
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        case KC_DELETE: return '\0';    // Delete to disconnect
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        default: return ' ';
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    }
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}
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