qmk_firmware/keyboard/hhkb_rn42/main.c

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#include <avr/io.h>
#include <avr/power.h>
#include <avr/wdt.h>
#include "lufa.h"
#include "print.h"
#include "sendchar.h"
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#include "rn42.h"
#include "serial.h"
#include "keyboard.h"
#include "command.h"
#include "keycode.h"
#include "action.h"
#include "action_util.h"
#include "wait.h"
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bool config_mode = false;
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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);
}
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static bool force_usb = false;
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int main(void) __attribute__ ((weak));
int main(void)
{
SetupHardware();
sei();
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/* 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);
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#if defined(INTERRUPT_CONTROL_ENDPOINT)
;
#else
USB_USBTask();
#endif
}
print("USB configured.\n");
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rn42_init();
print("RN-42 init\n");
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/* init modules */
keyboard_init();
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if (rn42_ready()) {
host_set_driver(&rn42_driver);
} else {
host_set_driver(&lufa_driver);
}
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#ifdef SLEEP_LED_ENABLE
sleep_led_init();
#endif
print("Keyboard start.\n");
while (1) {
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/*
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while (USB_DeviceState == DEVICE_STATE_Suspended) {
suspend_power_down();
if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) {
USB_Device_SendRemoteWakeup();
}
}
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*/
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keyboard_task();
#if !defined(INTERRUPT_CONTROL_ENDPOINT)
USB_USBTask();
#endif
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int16_t c;
if (config_mode) {
while ((c = serial_recv2()) != -1) xprintf("%c", c);
} 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 */
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if (!config_mode && !force_usb) {
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if (rn42_ready() && host_get_driver() != &rn42_driver) {
clear_keyboard();
host_set_driver(&rn42_driver);
} else if (!rn42_ready() && host_get_driver() != &lufa_driver) {
clear_keyboard();
host_set_driver(&lufa_driver);
}
}
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}
}
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static bool local_echo = false;
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("w: toggle RN-42 config mode(enter/exit)\n");
print("l: toggle print module output(local echo)\n");
print("a: Bluetooth auto connect\n");
print("del: Bluetooth disconnect\n");
print("i: info\n");
if (config_mode) {
return true;
} else {
print("u: force USB mode\n");
return false; // to display default command help
}
case KC_W:
if (!config_mode) {
print("\nEnter RN-42 config mode\n");
print("type $$$ to enter RN-42 command mode\n");
print("type Delete to disconnect Bluetooth connection\n");
command_state = CONSOLE;
config_mode = true;
prev_driver = host_get_driver();
clear_keyboard();
host_set_driver(&rn42_config_driver);
} else {
print("\nExit RN-42 config mode\n");
command_state = ONESHOT;
config_mode = false;
clear_keyboard();
host_set_driver(prev_driver);
}
return true;
case KC_L:
if (local_echo) {
print("local echo off\n");
local_echo = false;
} else {
print("local echo on\n");
local_echo = true;
}
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_A:
print("auto connect\n");
rn42_autoconnect();
return true;
case KC_DELETE:
print("disconnect\n");
rn42_disconnect();
//rn42_putc('\0'); // see 5.3.4.4 DISCONNECT KEY of User's Guide
return true;
case KC_I:
print("\nRN-42 info\n");
xprintf("protocol: %s\n", (host_get_driver() == &rn42_driver) ? "RN-42" : "LUFA");
xprintf("force_usb: %X\n", force_usb);
xprintf("rn42_ready(): %X\n", rn42_ready());
xprintf("config_mode: %X\n", config_mode);
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));
if (local_echo) xprintf("%c", 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 ' ';
}
}