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412 lines
9.8 KiB
412 lines
9.8 KiB
/*
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Copyright 2011 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include <avr/interrupt.h>
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#include <avr/io.h>
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//#include <avr/wdt.h>
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#include "wd.h" // in order to use watchdog in interrupt mode
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#include <avr/sleep.h>
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#include <util/delay.h>
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#include <avr/power.h>
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#include "keyboard.h"
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#include "matrix.h"
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#include "host.h"
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#include "action.h"
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#include "iwrap.h"
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#ifdef PROTOCOL_VUSB
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# include "vusb.h"
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# include <usbdrv/usbdrv.h>
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#endif
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#include "uart.h"
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#include "suart.h"
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#include "timer.h"
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#include "debug.h"
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#include "keycode.h"
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#include "command.h"
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static void sleep(uint8_t term);
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static bool console(void);
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static bool console_command(uint8_t c);
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static uint8_t key2asc(uint8_t key);
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/*
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static void set_prr(void)
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{
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power_adc_disable();
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power_spi_disable();
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power_twi_disable();
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#ifndef TIMER_H
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//power_timer0_disable(); // used in timer.c
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#endif
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power_timer1_disable();
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power_timer2_disable();
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}
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*/
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/*
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static void pullup_pins(void)
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{
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// DDRs are set to 0(input) by default.
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#ifdef PORTA
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PORTA = 0xFF;
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#endif
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PORTB = 0xFF;
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PORTC = 0xFF;
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PORTD = 0xFF;
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#ifdef PORTE
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PORTE = 0xFF;
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#endif
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#ifdef PORTE
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PORTF = 0xFF;
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#endif
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}
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*/
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#ifdef PROTOCOL_VUSB
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static void disable_vusb(void) {
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// disable interrupt & disconnect to prevent host from enumerating
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USB_INTR_ENABLE &= ~(1 << USB_INTR_ENABLE_BIT);
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usbDeviceDisconnect();
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}
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static void enable_vusb(void) {
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USB_INTR_ENABLE |= (1 << USB_INTR_ENABLE_BIT);
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usbDeviceConnect();
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}
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static void init_vusb(void) {
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uint8_t i = 0;
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usbInit();
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disable_vusb();
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/* fake USB disconnect for > 250 ms */
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while (--i) {
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_delay_ms(1);
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}
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enable_vusb();
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}
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#endif
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void change_driver(host_driver_t *driver) {
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/*
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host_clear_keyboard_report();
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host_swap_keyboard_report();
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host_clear_keyboard_report();
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host_send_keyboard_report();
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*/
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clear_keyboard();
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_delay_ms(1000);
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host_set_driver(driver);
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}
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static bool sleeping = false;
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static bool insomniac = false; // TODO: should be false for power saving
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static uint16_t last_timer = 0;
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int main(void) {
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MCUSR = 0;
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clock_prescale_set(clock_div_1);
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WD_SET(WD_OFF);
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// power saving: the result is worse than nothing... why?
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// pullup_pins();
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// set_prr();
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#ifdef PROTOCOL_VUSB
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disable_vusb();
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#endif
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uart_init(115200);
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keyboard_init();
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print("\nSend BREAK for UART Console Commands.\n");
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// TODO: move to iWRAP/suart file
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print("suart init\n");
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// suart init
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// PC4: Tx Output IDLE(Hi)
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PORTC |= (1 << 4);
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DDRC |= (1 << 4);
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// PC5: Rx Input(pull-up)
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PORTC |= (1 << 5);
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DDRC &= ~(1 << 5);
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// suart receive interrut(PC5/PCINT13)
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PCMSK1 = 0b00100000;
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PCICR = 0b00000010;
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host_set_driver(iwrap_driver());
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print("iwrap_init()\n");
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iwrap_init();
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iwrap_call();
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last_timer = timer_read();
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while (true) {
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#ifdef PROTOCOL_VUSB
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if (host_get_driver() == vusb_driver()) usbPoll();
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#endif
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keyboard_task();
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#ifdef PROTOCOL_VUSB
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if (host_get_driver() == vusb_driver()) vusb_transfer_keyboard();
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#endif
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// TODO: depricated
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if (matrix_is_modified() || console()) {
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last_timer = timer_read();
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sleeping = false;
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} else if (!sleeping && timer_elapsed(last_timer) > 4000) {
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sleeping = true;
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iwrap_check_connection();
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}
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// TODO: suspend.h
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if (host_get_driver() == iwrap_driver()) {
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if (sleeping && !insomniac) {
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_delay_ms(1); // wait for UART to send
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iwrap_sleep();
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sleep(WDTO_60MS);
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}
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}
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}
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}
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static void sleep(uint8_t term) {
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WD_SET(WD_IRQ, term);
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cli();
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set_sleep_mode(SLEEP_MODE_PWR_DOWN);
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sleep_enable();
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sleep_bod_disable();
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sei();
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sleep_cpu();
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sleep_disable();
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WD_SET(WD_OFF);
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}
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static bool console(void) {
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// Send to Bluetoot module WT12
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static bool breaked = false;
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if (!uart_available())
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return false;
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else {
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uint8_t c;
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c = uart_getchar();
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uart_putchar(c);
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switch (c) {
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case 0x00: // BREAK signal
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if (!breaked) {
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print("break(? for help): ");
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breaked = true;
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}
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break;
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case '\r':
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uart_putchar('\n');
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iwrap_buf_send();
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break;
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case '\b':
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iwrap_buf_del();
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break;
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default:
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if (breaked) {
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print("\n");
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console_command(c);
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breaked = false;
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} else {
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iwrap_buf_add(c);
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}
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break;
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}
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return true;
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}
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}
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bool command_extra(uint8_t code) { return console_command(key2asc(code)); }
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static bool console_command(uint8_t c) {
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switch (c) {
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case 'h':
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case '?':
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print("\nCommands for Bluetooth(WT12/iWRAP):\n");
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print("r: reset. software reset by watchdog\n");
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print("i: insomniac. prevent KB from sleeping\n");
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print("c: iwrap_call. CALL for BT connection.\n");
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#ifdef PROTOCOL_VUSB
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print("u: USB mode. switch to USB.\n");
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print("w: BT mode. switch to Bluetooth.\n");
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#endif
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print("k: kill first connection.\n");
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print("Del: unpair first pairing.\n");
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print("\n");
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return 0;
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case 'r':
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print("reset\n");
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WD_AVR_RESET();
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return 1;
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case 'i':
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insomniac = !insomniac;
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if (insomniac)
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print("insomniac\n");
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else
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print("not insomniac\n");
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return 1;
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case 'c':
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print("iwrap_call()\n");
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iwrap_call();
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return 1;
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#ifdef PROTOCOL_VUSB
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case 'u':
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print("USB mode\n");
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init_vusb();
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change_driver(vusb_driver());
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// iwrap_kill();
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// iwrap_sleep();
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// disable suart receive interrut(PC5/PCINT13)
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PCMSK1 &= ~(0b00100000);
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PCICR &= ~(0b00000010);
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return 1;
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case 'w':
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print("iWRAP mode\n");
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change_driver(iwrap_driver());
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disable_vusb();
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// enable suart receive interrut(PC5/PCINT13)
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PCMSK1 |= 0b00100000;
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PCICR |= 0b00000010;
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return 1;
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#endif
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case 'k':
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print("kill\n");
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iwrap_kill();
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return 1;
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case 0x7F: // DELETE
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print("unpair\n");
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iwrap_unpair();
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return 1;
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}
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return 0;
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}
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// convert keycode into ascii charactor
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static uint8_t key2asc(uint8_t key) {
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switch (key) {
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case KC_A:
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return 'a';
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case KC_B:
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return 'b';
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case KC_C:
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return 'c';
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case KC_D:
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return 'd';
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case KC_E:
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return 'e';
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case KC_F:
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return 'f';
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case KC_G:
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return 'g';
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case KC_H:
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return 'h';
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case KC_I:
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return 'i';
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case KC_J:
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return 'j';
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case KC_K:
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return 'k';
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case KC_L:
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return 'l';
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case KC_M:
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return 'm';
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case KC_N:
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return 'n';
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case KC_O:
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return 'o';
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case KC_P:
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return 'p';
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case KC_Q:
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return 'q';
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case KC_R:
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return 'r';
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case KC_S:
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return 's';
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case KC_T:
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return 't';
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case KC_U:
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return 'u';
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case KC_V:
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return 'v';
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case KC_W:
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return 'w';
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case KC_X:
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return 'x';
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case KC_Y:
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return 'y';
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case KC_Z:
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return 'z';
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case KC_1:
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return '1';
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case KC_2:
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return '2';
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case KC_3:
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return '3';
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case KC_4:
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return '4';
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case KC_5:
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return '5';
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case KC_6:
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return '6';
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case KC_7:
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return '7';
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case KC_8:
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return '8';
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case KC_9:
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return '9';
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case KC_0:
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return '0';
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case KC_ENTER:
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return '\n';
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case KC_ESCAPE:
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return 0x1B;
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case KC_BSPACE:
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return '\b';
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case KC_TAB:
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return '\t';
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case KC_SPACE:
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return ' ';
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case KC_MINUS:
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return '-';
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case KC_EQUAL:
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return '=';
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case KC_LBRACKET:
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return '[';
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case KC_RBRACKET:
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return ']';
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case KC_BSLASH:
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return '\\';
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case KC_NONUS_HASH:
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return '#';
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case KC_SCOLON:
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return ';';
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case KC_QUOTE:
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return '\'';
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case KC_GRAVE:
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return '`';
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case KC_COMMA:
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return ',';
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case KC_DOT:
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return '.';
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case KC_SLASH:
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return '/';
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default:
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return 0x00;
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}
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}
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