You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
117 lines
3.3 KiB
C
117 lines
3.3 KiB
C
/*
|
|
Bluefruit Protocol for TMK firmware
|
|
Author: Benjamin Gould, 2013
|
|
Based on code Copyright 2011 Jun Wako <wakojun@gmail.com>
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include <avr/interrupt.h>
|
|
#include <avr/wdt.h>
|
|
#include <avr/sleep.h>
|
|
#include <util/delay.h>
|
|
#include "serial.h"
|
|
#include "keyboard.h"
|
|
#include "usb.h"
|
|
#include "host.h"
|
|
#include "timer.h"
|
|
#include "print.h"
|
|
#include "debug.h"
|
|
#include "sendchar.h"
|
|
#include "suspend.h"
|
|
#include "bluefruit.h"
|
|
#include "pjrc.h"
|
|
|
|
#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
|
|
|
|
#define HOST_DRIVER_NOT_SET 0
|
|
#define BLUEFRUIT_HOST_DRIVER 1
|
|
#define PJRC_HOST_DRIVER 2
|
|
|
|
int main(void)
|
|
{
|
|
|
|
CPU_PRESCALE(0);
|
|
|
|
DDRD = _BV(PD5);
|
|
DDRB = _BV(PB0);
|
|
|
|
PORTD = _BV(PD5);
|
|
PORTB = _BV(PB0);
|
|
|
|
print_set_sendchar(sendchar);
|
|
|
|
usb_init();
|
|
_delay_ms(2000);
|
|
// while (!usb_configured()) /* wait */
|
|
|
|
dprintf("Initializing keyboard...\n");
|
|
keyboard_init();
|
|
|
|
// This implementation is pretty simplistic... if the USB connection
|
|
// is not configured, choose the Bluefruit, otherwise use USB
|
|
// Definitely would prefer to have this driven by an input pin and make
|
|
// it switch dynamically - BCG
|
|
if (!usb_configured()) {
|
|
|
|
// Send power to Bluefruit... Adafruit says it takes 27 mA, I think
|
|
// the pins should provide 40 mA, but just in case I switch the
|
|
// Bluefruit using a transistor - BCG
|
|
DDRB = _BV(PB6);
|
|
PORTB |= _BV(PB6);
|
|
|
|
dprintf("Setting host driver to bluefruit...\n");
|
|
host_set_driver(bluefruit_driver());
|
|
|
|
dprintf("Initializing serial...\n");
|
|
serial_init();
|
|
|
|
// wait an extra second for the PC's operating system
|
|
// to load drivers and do whatever it does to actually
|
|
// be ready for input
|
|
_delay_ms(1000);
|
|
PORTD = ~_BV(PD5);
|
|
dprintf("Starting main loop");
|
|
while (1) {
|
|
keyboard_task();
|
|
}
|
|
|
|
} else {
|
|
|
|
// I'm not smart enough to get this done with LUFA - BCG
|
|
dprintf("Setting host driver to PJRC...\n");
|
|
host_set_driver(pjrc_driver());
|
|
#ifdef SLEEP_LED_ENABLE
|
|
sleep_led_init();
|
|
#endif
|
|
// wait an extra second for the PC's operating system
|
|
// to load drivers and do whatever it does to actually
|
|
// be ready for input
|
|
_delay_ms(1000);
|
|
PORTB = ~_BV(PB0);
|
|
dprintf("Starting main loop");
|
|
while (1) {
|
|
while (suspend) {
|
|
suspend_power_down(WDTO_120MS);
|
|
if (remote_wakeup && suspend_wakeup_condition()) {
|
|
usb_remote_wakeup();
|
|
}
|
|
}
|
|
keyboard_task();
|
|
}
|
|
}
|
|
|
|
}
|