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- /*
- Bluefruit Protocol for TMK firmware
- Author: Benjamin Gould, 2013
- Based on code Copyright 2011 Jun Wako <[email protected]>
-
- 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();
- if (remote_wakeup && suspend_wakeup_condition()) {
- usb_remote_wakeup();
- }
- }
- keyboard_task();
- }
- }
-
- }
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