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-rw-r--r--keyboard/hhkb_rn42/rn42/battery.c136
-rw-r--r--keyboard/hhkb_rn42/rn42/battery.h35
-rw-r--r--keyboard/hhkb_rn42/rn42/main.c102
-rw-r--r--keyboard/hhkb_rn42/rn42/rn42.c208
-rw-r--r--keyboard/hhkb_rn42/rn42/rn42.h20
-rw-r--r--keyboard/hhkb_rn42/rn42/rn42_task.c294
-rw-r--r--keyboard/hhkb_rn42/rn42/rn42_task.h10
-rw-r--r--keyboard/hhkb_rn42/rn42/suart.S156
-rw-r--r--keyboard/hhkb_rn42/rn42/suart.h8
9 files changed, 0 insertions, 969 deletions
diff --git a/keyboard/hhkb_rn42/rn42/battery.c b/keyboard/hhkb_rn42/rn42/battery.c
deleted file mode 100644
index 0320e1baf1..0000000000
--- a/keyboard/hhkb_rn42/rn42/battery.c
+++ /dev/null
@@ -1,136 +0,0 @@
-#include <avr/io.h>
-#include <util/delay.h>
-#include "battery.h"
-
-
-/*
- * Battery
- */
-void battery_init(void)
-{
- // blink
- battery_led(LED_ON); _delay_ms(500);
- battery_led(LED_OFF); _delay_ms(500);
- battery_led(LED_ON); _delay_ms(500);
- battery_led(LED_OFF); _delay_ms(500);
- // LED indicates charger status
- battery_led(LED_CHARGER);
-
- // ADC setting for voltage monitor
- // Ref:2.56V band-gap, Input:ADC0(PF0), Prescale:128(16MHz/128=125KHz)
- ADMUX = (1<<REFS1) | (1<<REFS0);
- ADCSRA = (1<<ADPS2) | (1<<ADPS1) | (1<<ADPS0);
- ADCSRA |= (1<<ADEN);
-
- // ADC disable voltate divider(PF4)
- DDRF |= (1<<4);
- PORTF &= ~(1<<4);
-}
-
-// Indicator for battery
-void battery_led(battery_led_t val)
-{
- if (val == LED_TOGGLE) {
- // Toggle LED
- DDRF |= (1<<5);
- PINF |= (1<<5);
- } else if (val == LED_ON) {
- // On overriding charger status
- DDRF |= (1<<5);
- PORTF &= ~(1<<5);
- } else if (val == LED_OFF) {
- // Off overriding charger status
- DDRF |= (1<<5);
- PORTF |= (1<<5);
- } else {
- // Display charger status
- DDRF &= ~(1<<5);
- PORTF &= ~(1<<5);
- }
-}
-
-bool battery_charging(void)
-{
- if (!(USBSTA&(1<<VBUS))) return false;
-
- // Charger Status:
- // MCP73831 MCP73832 LTC4054 Status
- // Hi-Z Hi-Z Hi-Z Shutdown/No Battery
- // Low Low Low Charging
- // Hi Hi-Z Hi-Z Charged
-
- // preserve last register status
- uint8_t ddrf_prev = DDRF;
- uint8_t portf_prev = PORTF;
-
- // Input with pullup
- DDRF &= ~(1<<5);
- PORTF |= (1<<5);
- _delay_ms(1);
- bool charging = PINF&(1<<5) ? false : true;
-
- // restore last register status
- DDRF = (DDRF&~(1<<5)) | (ddrf_prev&(1<<5));
- PORTF = (PORTF&~(1<<5)) | (portf_prev&(1<<5));
-
- // TODO: With MCP73831 this can not get stable status when charging.
- // LED is powered from PSEL line(USB or Lipo)
- // due to weak low output of STAT pin?
- // due to pull-up'd via resitor and LED?
- return charging;
-}
-
-// Returns voltage in mV
-uint16_t battery_voltage(void)
-{
- // ADC disable voltate divider(PF4)
- DDRF |= (1<<4);
- PORTF |= (1<<4);
-
- volatile uint16_t bat;
- //ADCSRA |= (1<<ADEN);
-
- // discard first result
- ADCSRA |= (1<<ADSC);
- while (ADCSRA & (1<<ADSC)) ;
- bat = ADC;
-
- // discard second result
- ADCSRA |= (1<<ADSC);
- while (ADCSRA & (1<<ADSC)) ;
- bat = ADC;
-
- ADCSRA |= (1<<ADSC);
- while (ADCSRA & (1<<ADSC)) ;
- bat = ADC;
-
- //ADCSRA &= ~(1<<ADEN);
-
- // ADC disable voltate divider(PF4)
- DDRF |= (1<<4);
- PORTF &= ~(1<<4);
-
- return (bat - BATTERY_ADC_OFFSET) * BATTERY_ADC_RESOLUTION;
-}
-
-static bool low_voltage(void) {
- static bool low = false;
- uint16_t v = battery_voltage();
- if (v < BATTERY_VOLTAGE_LOW_LIMIT) {
- low = true;
- } else if (v > BATTERY_VOLTAGE_LOW_RECOVERY) {
- low = false;
- }
- return low;
-}
-
-battery_status_t battery_status(void)
-{
- if (USBSTA&(1<<VBUS)) {
- /* powered */
- return battery_charging() ? CHARGING : FULL_CHARGED;
- } else {
- /* not powered */
- return low_voltage() ? LOW_VOLTAGE : DISCHARGING;
- }
-}
diff --git a/keyboard/hhkb_rn42/rn42/battery.h b/keyboard/hhkb_rn42/rn42/battery.h
deleted file mode 100644
index 180d4dcfaa..0000000000
--- a/keyboard/hhkb_rn42/rn42/battery.h
+++ /dev/null
@@ -1,35 +0,0 @@
-#ifndef POWER_H
-#define POWER_H
-
-#include <stdint.h>
-#include <stdbool.h>
-
-typedef enum {
- FULL_CHARGED,
- CHARGING,
- DISCHARGING,
- LOW_VOLTAGE,
- UNKNOWN,
-} battery_status_t;
-
-typedef enum {
- LED_CHARGER = 0,
- LED_ON,
- LED_OFF,
- LED_TOGGLE,
-} battery_led_t;
-
-/* Battery API */
-void battery_init(void);
-void battery_led(battery_led_t val);
-bool battery_charging(void);
-uint16_t battery_voltage(void);
-battery_status_t battery_status(void);
-
-#define BATTERY_VOLTAGE_LOW_LIMIT 3500
-#define BATTERY_VOLTAGE_LOW_RECOVERY 3700
-// ADC offset:16, resolution:5mV
-#define BATTERY_ADC_OFFSET 16
-#define BATTERY_ADC_RESOLUTION 5
-
-#endif
diff --git a/keyboard/hhkb_rn42/rn42/main.c b/keyboard/hhkb_rn42/rn42/main.c
deleted file mode 100644
index 43d887067d..0000000000
--- a/keyboard/hhkb_rn42/rn42/main.c
+++ /dev/null
@@ -1,102 +0,0 @@
-#include <avr/io.h>
-#include <avr/power.h>
-#include <avr/wdt.h>
-#include "lufa.h"
-#include "print.h"
-#include "sendchar.h"
-#include "rn42.h"
-#include "rn42_task.h"
-#include "serial.h"
-#include "keyboard.h"
-#include "keycode.h"
-#include "action.h"
-#include "action_util.h"
-#include "wait.h"
-#include "suart.h"
-#include "suspend.h"
-
-static int8_t sendchar_func(uint8_t c)
-{
- sendchar(c); // LUFA
- xmit(c); // SUART
- return 0;
-}
-
-static void SetupHardware(void)
-{
- /* Disable watchdog if enabled by bootloader/fuses */
- MCUSR &= ~(1 << WDRF);
- wdt_disable();
-
- /* Disable clock division */
- clock_prescale_set(clock_div_1);
-
- // Leonardo needs. Without this USB device is not recognized.
- USB_Disable();
-
- USB_Init();
-
- // for Console_Task
- USB_Device_EnableSOFEvents();
- print_set_sendchar(sendchar_func);
-
- // SUART PD0:output, PD1:input
- DDRD |= (1<<0);
- PORTD |= (1<<0);
- DDRD &= ~(1<<1);
- PORTD |= (1<<1);
-}
-
-int main(void) __attribute__ ((weak));
-int main(void)
-{
- SetupHardware();
- sei();
-
- /* wait for USB startup to get ready for debug output */
- uint8_t timeout = 255; // timeout when USB is not available(Bluetooth)
- while (timeout-- && USB_DeviceState != DEVICE_STATE_Configured) {
- wait_ms(4);
-#if defined(INTERRUPT_CONTROL_ENDPOINT)
- ;
-#else
- USB_USBTask();
-#endif
- }
- print("USB configured.\n");
-
- rn42_init();
- rn42_task_init();
- print("RN-42 init\n");
-
- /* init modules */
- keyboard_init();
-
- if (!rn42_rts()) {
- host_set_driver(&rn42_driver);
- } else {
- host_set_driver(&lufa_driver);
- }
-
-#ifdef SLEEP_LED_ENABLE
- sleep_led_init();
-#endif
-
- print("Keyboard start.\n");
- while (1) {
- while (USB_DeviceState == DEVICE_STATE_Suspended) {
- suspend_power_down(WDTO_120MS);
- if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) {
- USB_Device_SendRemoteWakeup();
- }
- }
-
- keyboard_task();
-
-#if !defined(INTERRUPT_CONTROL_ENDPOINT)
- USB_USBTask();
-#endif
-
- rn42_task();
- }
-}
diff --git a/keyboard/hhkb_rn42/rn42/rn42.c b/keyboard/hhkb_rn42/rn42/rn42.c
deleted file mode 100644
index 1565b4cf14..0000000000
--- a/keyboard/hhkb_rn42/rn42/rn42.c
+++ /dev/null
@@ -1,208 +0,0 @@
-#include <avr/io.h>
-#include "host.h"
-#include "host_driver.h"
-#include "serial.h"
-#include "rn42.h"
-#include "print.h"
-#include "wait.h"
-
-
-/* Host driver */
-static uint8_t keyboard_leds(void);
-static void send_keyboard(report_keyboard_t *report);
-static void send_mouse(report_mouse_t *report);
-static void send_system(uint16_t data);
-static void send_consumer(uint16_t data);
-
-host_driver_t rn42_driver = {
- keyboard_leds,
- send_keyboard,
- send_mouse,
- send_system,
- send_consumer
-};
-
-
-void rn42_init(void)
-{
- // JTAG disable for PORT F. write JTD bit twice within four cycles.
- MCUCR |= (1<<JTD);
- MCUCR |= (1<<JTD);
-
- // PF7: BT connection control(high: connect, low: disconnect)
- rn42_autoconnect();
-
- // PF6: linked(input without pull-up)
- DDRF &= ~(1<<6);
- PORTF |= (1<<6);
-
- // PF1: RTS(low: allowed to send, high: not allowed)
- DDRF &= ~(1<<1);
- PORTF &= ~(1<<1);
-
- // PD5: CTS(low: allow to send, high:not allow)
- DDRD |= (1<<5);
- PORTD &= ~(1<<5);
-
- serial_init();
-}
-
-void rn42_putc(uint8_t c)
-{
- serial_send(c);
-}
-
-bool rn42_autoconnecting(void)
-{
- // GPIO6 for control connection(high: auto connect, low: disconnect)
- // Note that this needs config: SM,4(Auto-Connect DTR Mode)
- return (PORTF & (1<<7) ? true : false);
-}
-
-void rn42_autoconnect(void)
-{
- // hi to auto connect
- DDRF |= (1<<7);
- PORTF |= (1<<7);
-}
-
-void rn42_disconnect(void)
-{
- // low to disconnect
- DDRF |= (1<<7);
- PORTF &= ~(1<<7);
-}
-
-bool rn42_rts(void)
-{
- // low when RN-42 is powered and ready to receive
- return PINF&(1<<1);
-}
-
-void rn42_cts_hi(void)
-{
- // not allow to send
- PORTD |= (1<<5);
-}
-
-void rn42_cts_lo(void)
-{
- // allow to send
- PORTD &= ~(1<<5);
-}
-
-bool rn42_linked(void)
-{
- // RN-42 GPIO2
- // Hi-Z: Not powered
- // High: Linked
- // Low: Connecting
- return !rn42_rts() && PINF&(1<<6);
-}
-
-
-static uint8_t leds = 0;
-static uint8_t keyboard_leds(void) { return leds; }
-void rn42_set_leds(uint8_t l) { leds = l; }
-
-static void send_keyboard(report_keyboard_t *report)
-{
- // wake from deep sleep
-/*
- PORTD |= (1<<5); // high
- wait_ms(5);
- PORTD &= ~(1<<5); // low
-*/
-
- serial_send(0xFD); // Raw report mode
- serial_send(9); // length
- serial_send(1); // descriptor type
- serial_send(report->mods);
- serial_send(0x00);
- serial_send(report->keys[0]);
- serial_send(report->keys[1]);
- serial_send(report->keys[2]);
- serial_send(report->keys[3]);
- serial_send(report->keys[4]);
- serial_send(report->keys[5]);
-}
-
-static void send_mouse(report_mouse_t *report)
-{
- // wake from deep sleep
-/*
- PORTD |= (1<<5); // high
- wait_ms(5);
- PORTD &= ~(1<<5); // low
-*/
-
- serial_send(0xFD); // Raw report mode
- serial_send(5); // length
- serial_send(2); // descriptor type
- serial_send(report->buttons);
- serial_send(report->x);
- serial_send(report->y);
- serial_send(report->v);
-}
-
-static void send_system(uint16_t data)
-{
- // Table 5-6 of RN-BT-DATA-UB
- // 81,82,83 scan codes can be used?
-}
-
-
-static uint16_t usage2bits(uint16_t usage)
-{
- switch (usage) {
- case AC_HOME: return 0x01;
- case AL_EMAIL: return 0x02;
- case AC_SEARCH: return 0x04;
- //case AL_KBD_LAYOUT: return 0x08; // Apple virtual keybaord toggle
- case AUDIO_VOL_UP: return 0x10;
- case AUDIO_VOL_DOWN: return 0x20;
- case AUDIO_MUTE: return 0x40;
- case TRANSPORT_PLAY_PAUSE: return 0x80;
- case TRANSPORT_NEXT_TRACK: return 0x100;
- case TRANSPORT_PREV_TRACK: return 0x200;
- case TRANSPORT_STOP: return 0x400;
- case TRANSPORT_STOP_EJECT: return 0x800;
- //case return 0x1000; // Fast forward
- //case return 0x2000; // Rewind
- //case return 0x4000; // Stop/eject
- //case return 0x8000; // Internet browser
- };
- return 0;
-}
-
-static void send_consumer(uint16_t data)
-{
- uint16_t bits = usage2bits(data);
- serial_send(0xFD); // Raw report mode
- serial_send(3); // length
- serial_send(3); // descriptor type
- serial_send(bits&0xFF);
- serial_send((bits>>8)&0xFF);
-}
-
-
-/* Null driver for config_mode */
-static uint8_t config_keyboard_leds(void);
-static void config_send_keyboard(report_keyboard_t *report);
-static void config_send_mouse(report_mouse_t *report);
-static void config_send_system(uint16_t data);
-static void config_send_consumer(uint16_t data);
-
-host_driver_t rn42_config_driver = {
- config_keyboard_leds,
- config_send_keyboard,
- config_send_mouse,
- config_send_system,
- config_send_consumer
-};
-
-static uint8_t config_keyboard_leds(void) { return leds; }
-static void config_send_keyboard(report_keyboard_t *report) {}
-static void config_send_mouse(report_mouse_t *report) {}
-static void config_send_system(uint16_t data) {}
-static void config_send_consumer(uint16_t data) {}
diff --git a/keyboard/hhkb_rn42/rn42/rn42.h b/keyboard/hhkb_rn42/rn42/rn42.h
deleted file mode 100644
index 5283a3648c..0000000000
--- a/keyboard/hhkb_rn42/rn42/rn42.h
+++ /dev/null
@@ -1,20 +0,0 @@
-#ifndef RN42_H
-#define RN42_H
-
-#include <stdbool.h>
-
-host_driver_t rn42_driver;
-host_driver_t rn42_config_driver;
-
-void rn42_init(void);
-void rn42_putc(uint8_t c);
-bool rn42_autoconnecting(void);
-void rn42_autoconnect(void);
-void rn42_disconnect(void);
-bool rn42_rts(void);
-void rn42_cts_hi(void);
-void rn42_cts_lo(void);
-bool rn42_linked(void);
-void rn42_set_leds(uint8_t l);
-
-#endif
diff --git a/keyboard/hhkb_rn42/rn42/rn42_task.c b/keyboard/hhkb_rn42/rn42/rn42_task.c
deleted file mode 100644
index c3359ed506..0000000000
--- a/keyboard/hhkb_rn42/rn42/rn42_task.c
+++ /dev/null
@@ -1,294 +0,0 @@
-#include <stdint.h>
-#include "keycode.h"
-#include "serial.h"
-#include "host.h"
-#include "action.h"
-#include "action_util.h"
-#include "lufa.h"
-#include "rn42_task.h"
-#include "print.h"
-#include "debug.h"
-#include "timer.h"
-#include "command.h"
-#include "battery.h"
-
-static bool config_mode = false;
-static bool force_usb = false;
-
-static void status_led(bool on)
-{
- if (on) {
- DDRE |= (1<<6);
- PORTE &= ~(1<<6);
- } else {
- DDRE |= (1<<6);
- PORTE |= (1<<6);
- }
-}
-
-void rn42_task_init(void)
-{
- battery_init();
-}
-
-void rn42_task(void)
-{
- int16_t c;
- if (config_mode) {
- // Config mode: print output from RN-42
- while ((c = serial_recv2()) != -1) {
- // without flow control it'll fail to receive data when flooded
- xprintf("%c", c);
- }
- } else {
- // Raw mode: interpret output report of LED state
- 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;
- 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:
- 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);
- }
-
- static uint8_t prev_status = UNKNOWN;
- if (bs != prev_status) {
- prev_status = bs;
- switch (bs) {
- case FULL_CHARGED: xprintf("FULL_CHARGED\n"); break;
- case CHARGING: xprintf("CHARGING\n"); break;
- case DISCHARGING: xprintf("DISCHARGING\n"); break;
- case LOW_VOLTAGE: xprintf("LOW_VOLTAGE\n"); break;
- default: xprintf("UNKNOWN STATUS\n"); break;
- };
- }
-
- /* 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;
- xprintf("%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_linked()) {
- status_led(true);
- } else {
- status_led(false);
- }
-}
-
-
-
-/******************************************************************************
- * Command
- ******************************************************************************/
-bool command_extra(uint8_t code)
-{
- uint32_t t;
- uint16_t b;
- 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: enter/exit config mode(auto_connect/disconnect)\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()) {
- prev_driver = host_get_driver();
- clear_keyboard();
- _delay_ms(500);
- host_set_driver(&rn42_config_driver); // null driver; not to send a key to host
- 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;
- } 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_linked(): %X\n", rn42_linked());
- xprintf("rn42_rts(): %X\n", rn42_rts());
- xprintf("config_mode: %X\n", config_mode);
- xprintf("VBUS: %X\n", USBSTA&(1<<VBUS));
- xprintf("battery_charging: %X\n", battery_charging());
- xprintf("battery_status: %X\n", battery_status());
- 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;
- 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;
- }
- return false;
-}
-
-// convert keycode into ascii charactor
-static uint8_t code2asc(uint8_t code)
-{
- bool shifted = (get_mods() & (MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT))) ? true : false;
- switch (code) {
- case KC_A: return (shifted ? 'A' : 'a');
- case KC_B: return (shifted ? 'B' : 'b');
- case KC_C: return (shifted ? 'C' : 'c');
- case KC_D: return (shifted ? 'D' : 'd');
- case KC_E: return (shifted ? 'E' : 'e');
- case KC_F: return (shifted ? 'F' : 'f');
- case KC_G: return (shifted ? 'G' : 'g');
- case KC_H: return (shifted ? 'H' : 'h');
- case KC_I: return (shifted ? 'I' : 'i');
- case KC_J: return (shifted ? 'J' : 'j');
- case KC_K: return (shifted ? 'K' : 'k');
- case KC_L: return (shifted ? 'L' : 'l');
- case KC_M: return (shifted ? 'M' : 'm');
- case KC_N: return (shifted ? 'N' : 'n');
- case KC_O: return (shifted ? 'O' : 'o');
- case KC_P: return (shifted ? 'P' : 'p');
- case KC_Q: return (shifted ? 'Q' : 'q');
- case KC_R: return (shifted ? 'R' : 'r');
- case KC_S: return (shifted ? 'S' : 's');
- case KC_T: return (shifted ? 'T' : 't');
- case KC_U: return (shifted ? 'U' : 'u');
- case KC_V: return (shifted ? 'V' : 'v');
- case KC_W: return (shifted ? 'W' : 'w');
- case KC_X: return (shifted ? 'X' : 'x');
- case KC_Y: return (shifted ? 'Y' : 'y');
- case KC_Z: return (shifted ? 'Z' : 'z');
- case KC_1: return (shifted ? '!' : '1');
- case KC_2: return (shifted ? '@' : '2');
- case KC_3: return (shifted ? '#' : '3');
- case KC_4: return (shifted ? '$' : '4');
- case KC_5: return (shifted ? '%' : '5');
- case KC_6: return (shifted ? '^' : '6');
- case KC_7: return (shifted ? '&' : '7');
- case KC_8: return (shifted ? '*' : '8');
- case KC_9: return (shifted ? '(' : '9');
- case KC_0: return (shifted ? ')' : '0');
- case KC_ENTER: return '\n';
- case KC_ESCAPE: return 0x1B;
- case KC_BSPACE: return '\b';
- case KC_TAB: return '\t';
- case KC_SPACE: return ' ';
- case KC_MINUS: return (shifted ? '_' : '-');
- case KC_EQUAL: return (shifted ? '+' : '=');
- case KC_LBRACKET: return (shifted ? '{' : '[');
- case KC_RBRACKET: return (shifted ? '}' : ']');
- case KC_BSLASH: return (shifted ? '|' : '\\');
- case KC_NONUS_HASH: return (shifted ? '|' : '\\');
- case KC_SCOLON: return (shifted ? ':' : ';');
- case KC_QUOTE: return (shifted ? '"' : '\'');
- case KC_GRAVE: return (shifted ? '~' : '`');
- case KC_COMMA: return (shifted ? '<' : ',');
- case KC_DOT: return (shifted ? '>' : '.');
- case KC_SLASH: return (shifted ? '?' : '/');
- case KC_DELETE: return '\0'; // Delete to disconnect
- default: return ' ';
- }
-}
diff --git a/keyboard/hhkb_rn42/rn42/rn42_task.h b/keyboard/hhkb_rn42/rn42/rn42_task.h
deleted file mode 100644
index 8f6c3ab64d..0000000000
--- a/keyboard/hhkb_rn42/rn42/rn42_task.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef RN42_TASK_H
-#define RN42_TASK_H
-
-#include <stdbool.h>
-#include "rn42.h"
-
-void rn42_task_init(void);
-void rn42_task(void);
-
-#endif
diff --git a/keyboard/hhkb_rn42/rn42/suart.S b/keyboard/hhkb_rn42/rn42/suart.S
deleted file mode 100644
index 9fa5452928..0000000000
--- a/keyboard/hhkb_rn42/rn42/suart.S
+++ /dev/null
@@ -1,156 +0,0 @@
-;---------------------------------------------------------------------------;
-; Software implemented UART module ;
-; (C)ChaN, 2005 (http://elm-chan.org/) ;
-;---------------------------------------------------------------------------;
-; Bit rate settings:
-;
-; 1MHz 2MHz 4MHz 6MHz 8MHz 10MHz 12MHz 16MHz 20MHz
-; 2.4kbps 138 - - - - - - - -
-; 4.8kbps 68 138 - - - - - - -
-; 9.6kbps 33 68 138 208 - - - - -
-; 19.2kbps - 33 68 102 138 173 208 - -
-; 38.4kbps - - 33 50 68 85 102 138 172
-; 57.6kbps - - 21 33 44 56 68 91 114
-; 115.2kbps - - - - 21 27 33 44 56
-
-.nolist
-#include <avr/io.h>
-.list
-
-#define BPS 44 /* Bit delay. (see above table) */
-#define BIDIR 0 /* 0:Separated Tx/Rx, 1:Shared Tx/Rx */
-
-#define OUT_1 sbi _SFR_IO_ADDR(SUART_OUT_PORT), SUART_OUT_BIT /* Output 1 */
-#define OUT_0 cbi _SFR_IO_ADDR(SUART_OUT_PORT), SUART_OUT_BIT /* Output 0 */
-#define SKIP_IN_1 sbis _SFR_IO_ADDR(SUART_IN_PIN), SUART_IN_BIT /* Skip if 1 */
-#define SKIP_IN_0 sbic _SFR_IO_ADDR(SUART_IN_PIN), SUART_IN_BIT /* Skip if 0 */
-
-
-
-#ifdef SPM_PAGESIZE
-.macro _LPMI reg
- lpm \reg, Z+
-.endm
-.macro _MOVW dh,dl, sh,sl
- movw \dl, \sl
-.endm
-#else
-.macro _LPMI reg
- lpm
- mov \reg, r0
- adiw ZL, 1
-.endm
-.macro _MOVW dh,dl, sh,sl
- mov \dl, \sl
- mov \dh, \sh
-.endm
-#endif
-
-
-
-;---------------------------------------------------------------------------;
-; Transmit a byte in serial format of N81
-;
-;Prototype: void xmit (uint8_t data);
-;Size: 16 words
-
-.global xmit
-.func xmit
-xmit:
-#if BIDIR
- ldi r23, BPS-1 ;Pre-idle time for bidirectional data line
-5: dec r23 ;
- brne 5b ;/
-#endif
- in r0, _SFR_IO_ADDR(SREG) ;Save flags
-
- com r24 ;C = start bit
- ldi r25, 10 ;Bit counter
- cli ;Start critical section
-
-1: ldi r23, BPS-1 ;----- Bit transferring loop
-2: dec r23 ;Wait for a bit time
- brne 2b ;/
- brcs 3f ;MISO = bit to be sent
- OUT_1 ;
-3: brcc 4f ;
- OUT_0 ;/
-4: lsr r24 ;Get next bit into C
- dec r25 ;All bits sent?
- brne 1b ; no, coutinue
-
- out _SFR_IO_ADDR(SREG), r0 ;End of critical section
- ret
-.endfunc
-
-
-
-;---------------------------------------------------------------------------;
-; Receive a byte
-;
-;Prototype: uint8_t rcvr (void);
-;Size: 19 words
-
-.global rcvr
-.func rcvr
-rcvr:
- in r0, _SFR_IO_ADDR(SREG) ;Save flags
-
- ldi r24, 0x80 ;Receiving shift reg
- cli ;Start critical section
-
-1: SKIP_IN_1 ;Wait for idle
- rjmp 1b
-2: SKIP_IN_0 ;Wait for start bit
- rjmp 2b
- ldi r25, BPS/2 ;Wait for half bit time
-3: dec r25
- brne 3b
-
-4: ldi r25, BPS ;----- Bit receiving loop
-5: dec r25 ;Wait for a bit time
- brne 5b ;/
- lsr r24 ;Next bit
- SKIP_IN_0 ;Get a data bit into r24.7
- ori r24, 0x80
- brcc 4b ;All bits received? no, continue
-
- out _SFR_IO_ADDR(SREG), r0 ;End of critical section
- ret
-.endfunc
-
-
-; Not wait for start bit. This should be called after detecting start bit.
-.global recv
-.func recv
-recv:
- in r0, _SFR_IO_ADDR(SREG) ;Save flags
-
- ldi r24, 0x80 ;Receiving shift reg
- cli ;Start critical section
-
-;1: SKIP_IN_1 ;Wait for idle
-; rjmp 1b
-;2: SKIP_IN_0 ;Wait for start bit
-; rjmp 2b
- ldi r25, BPS/2 ;Wait for half bit time
-3: dec r25
- brne 3b
-
-4: ldi r25, BPS ;----- Bit receiving loop
-5: dec r25 ;Wait for a bit time
- brne 5b ;/
- lsr r24 ;Next bit
- SKIP_IN_0 ;Get a data bit into r24.7
- ori r24, 0x80
- brcc 4b ;All bits received? no, continue
-
- ldi r25, BPS/2 ;Wait for half bit time
-6: dec r25
- brne 6b
-7: SKIP_IN_1 ;Wait for stop bit
- rjmp 7b
-
- out _SFR_IO_ADDR(SREG), r0 ;End of critical section
- ret
-.endfunc
diff --git a/keyboard/hhkb_rn42/rn42/suart.h b/keyboard/hhkb_rn42/rn42/suart.h
deleted file mode 100644
index 72725b998f..0000000000
--- a/keyboard/hhkb_rn42/rn42/suart.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef SUART
-#define SUART
-
-void xmit(uint8_t);
-uint8_t rcvr(void);
-uint8_t recv(void);
-
-#endif /* SUART */