/* 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(); // char swpa[] = "+++\r\n"; // for (int i = 0; i < 5; i++) { // serial_send(swpa[i]); // } // char ble_enable[] = "AT+BLEKEYBOARDEN=1\r\n"; // for (int i = 0; i < 20; i++) { // serial_send(ble_enable[i]); // } // char reset[] = "ATZ\r\n"; // for (int i = 0; i < 5; i++) { // serial_send(reset[i]); // } // for (int i = 0; i < 5; i++) { // serial_send(swpa[i]); // } // 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(); // } // } }