From 05792e2b83ea99009d895a4caad0e40b5395aff3 Mon Sep 17 00:00:00 2001 From: Benjamin Gould Date: Wed, 27 Nov 2013 00:24:57 -0500 Subject: Added bluefruit protocol and converter for 70% M --- protocol/bluefruit/main.c | 116 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 protocol/bluefruit/main.c (limited to 'protocol/bluefruit/main.c') diff --git a/protocol/bluefruit/main.c b/protocol/bluefruit/main.c new file mode 100644 index 000000000..871062ab1 --- /dev/null +++ b/protocol/bluefruit/main.c @@ -0,0 +1,116 @@ +/* +Bluefruit Protocol for TMK firmware +Author: Benjamin Gould, 2013 +Based on code Copyright 2011 Jun Wako + +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 . +*/ + +#include +#include +#include +#include +#include +#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(); + } + } + +} -- cgit v1.2.3