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Merge pull request #81 from bgould/master

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Add support for Adafruit's Bluefruit
This commit is contained in:
tmk 2013-11-27 23:23:08 -08:00
commit 90cfee5191
4 changed files with 373 additions and 0 deletions
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27
protocol/bluefruit.mk Normal file
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BLUEFRUIT_DIR = protocol/bluefruit
PJRC_DIR = protocol/pjrc
SRC += $(BLUEFRUIT_DIR)/main.c \
$(BLUEFRUIT_DIR)/bluefruit.c \
serial_uart.c \
$(PJRC_DIR)/pjrc.c \
$(PJRC_DIR)/usb_keyboard.c \
$(PJRC_DIR)/usb_debug.c \
$(PJRC_DIR)/usb.c
# Option modules
ifdef $(or MOUSEKEY_ENABLE, PS2_MOUSE_ENABLE)
SRC += $(PJRC_DIR)/usb_mouse.c
endif
ifdef EXTRAKEY_ENABLE
SRC += $(PJRC_DIR)/usb_extra.c
endif
# Search Path
VPATH += $(TOP_DIR)/$(BLUEFRUIT_DIR)
#VPATH += $(TOP_DIR)/$(BLUEFRUIT_DIR)/usb_debug_only
VPATH += $(TOP_DIR)/$(PJRC_DIR)
OPT_DEFS += -DPROTOCOL_BLUEFRUIT
OPT_DEFS += -DPROTOCOL_PJRC

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protocol/bluefruit/bluefruit.c Normal file
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/*
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 "host.h"
#include "report.h"
#include "print.h"
#include "debug.h"
#include "host_driver.h"
#include "serial.h"
#include "bluefruit.h"
#define BLUEFRUIT_TRACE_SERIAL 1
static uint8_t bluefruit_keyboard_leds = 0;
static void bluefruit_serial_send(uint8_t);
void bluefruit_keyboard_print_report(report_keyboard_t *report)
{
if (!debug_keyboard) return;
dprintf("keys: "); for (int i = 0; i < REPORT_KEYS; i++) { debug_hex8(report->keys[i]); dprintf(" "); }
dprintf(" mods: "); debug_hex8(report->mods);
dprintf(" reserved: "); debug_hex8(report->reserved);
dprintf("\n");
}
#ifdef BLUEFRUIT_TRACE_SERIAL
static void bluefruit_trace_header()
{
dprintf("+------------------------------------+\n");
dprintf("| HID report to Bluefruit via serial |\n");
dprintf("+------------------------------------+\n|");
}
static void bluefruit_trace_footer()
{
dprintf("|\n+------------------------------------+\n\n");
}
#endif
static void bluefruit_serial_send(uint8_t data)
{
#ifdef BLUEFRUIT_TRACE_SERIAL
dprintf(" ");
debug_hex8(data);
dprintf(" ");
#endif
serial_send(data);
}
/*------------------------------------------------------------------*
* Host driver
*------------------------------------------------------------------*/
static uint8_t keyboard_leds(void);
static void send_keyboard(report_keyboard_t *report);
static void send_mouse(report_mouse_t *report);
static void send_system(uint16_t data);
static void send_consumer(uint16_t data);
static host_driver_t driver = {
keyboard_leds,
send_keyboard,
send_mouse,
send_system,
send_consumer
};
host_driver_t *bluefruit_driver(void)
{
return &driver;
}
static uint8_t keyboard_leds(void) {
return bluefruit_keyboard_leds;
}
static void send_keyboard(report_keyboard_t *report)
{
#ifdef BLUEFRUIT_TRACE_SERIAL
bluefruit_trace_header();
#endif
bluefruit_serial_send(0xFD);
for (uint8_t i = 0; i < REPORT_SIZE; i++) {
bluefruit_serial_send(report->raw[i]);
}
#ifdef BLUEFRUIT_TRACE_SERIAL
bluefruit_trace_footer();
#endif
}
static void send_mouse(report_mouse_t *report)
{
#ifdef BLUEFRUIT_TRACE_SERIAL
bluefruit_trace_header();
#endif
bluefruit_serial_send(0xFD);
bluefruit_serial_send(0x00);
bluefruit_serial_send(0x03);
bluefruit_serial_send(report->buttons);
bluefruit_serial_send(report->x);
bluefruit_serial_send(report->y);
bluefruit_serial_send(report->v); // should try sending the wheel v here
bluefruit_serial_send(report->h); // should try sending the wheel h here
bluefruit_serial_send(0x00);
#ifdef BLUEFRUIT_TRACE_SERIAL
bluefruit_trace_footer();
#endif
}
static void send_system(uint16_t data)
{
}
/*
+-----------------+-------------------+-------+
| Consumer Key | Bit Map | Hex |
+-----------------+-------------------+-------+
| Home | 00000001 00000000 | 01 00 |
| KeyboardLayout | 00000010 00000000 | 02 00 |
| Search | 00000100 00000000 | 04 00 |
| Snapshot | 00001000 00000000 | 08 00 |
| VolumeUp | 00010000 00000000 | 10 00 |
| VolumeDown | 00100000 00000000 | 20 00 |
| Play/Pause | 01000000 00000000 | 40 00 |
| Fast Forward | 10000000 00000000 | 80 00 |
| Rewind | 00000000 00000001 | 00 01 |
| Scan Next Track | 00000000 00000010 | 00 02 |
| Scan Prev Track | 00000000 00000100 | 00 04 |
| Random Play | 00000000 00001000 | 00 08 |
| Stop | 00000000 00010000 | 00 10 |
+-------------------------------------+-------+
*/
#define CONSUMER2BLUEFRUIT(usage) \
(usage == AUDIO_MUTE ? 0x0000 : \
(usage == AUDIO_VOL_UP ? 0x1000 : \
(usage == AUDIO_VOL_DOWN ? 0x2000 : \
(usage == TRANSPORT_NEXT_TRACK ? 0x0002 : \
(usage == TRANSPORT_PREV_TRACK ? 0x0004 : \
(usage == TRANSPORT_STOP ? 0x0010 : \
(usage == TRANSPORT_STOP_EJECT ? 0x0000 : \
(usage == TRANSPORT_PLAY_PAUSE ? 0x4000 : \
(usage == AL_CC_CONFIG ? 0x0000 : \
(usage == AL_EMAIL ? 0x0000 : \
(usage == AL_CALCULATOR ? 0x0000 : \
(usage == AL_LOCAL_BROWSER ? 0x0000 : \
(usage == AC_SEARCH ? 0x0400 : \
(usage == AC_HOME ? 0x0100 : \
(usage == AC_BACK ? 0x0000 : \
(usage == AC_FORWARD ? 0x0000 : \
(usage == AC_STOP ? 0x0000 : \
(usage == AC_REFRESH ? 0x0000 : \
(usage == AC_BOOKMARKS ? 0x0000 : 0)))))))))))))))))))
static void send_consumer(uint16_t data)
{
static uint16_t last_data = 0;
if (data == last_data) return;
last_data = data;
uint16_t bitmap = CONSUMER2BLUEFRUIT(data);
#ifdef BLUEFRUIT_TRACE_SERIAL
dprintf("\nData: ");
debug_hex16(data);
dprintf("; bitmap: ");
debug_hex16(bitmap);
dprintf("\n");
bluefruit_trace_header();
#endif
bluefruit_serial_send(0xFD);
bluefruit_serial_send(0x00);
bluefruit_serial_send(0x02);
bluefruit_serial_send((bitmap>>8)&0xFF);
bluefruit_serial_send(bitmap&0xFF);
bluefruit_serial_send(0x00);
bluefruit_serial_send(0x00);
bluefruit_serial_send(0x00);
bluefruit_serial_send(0x00);
#ifdef BLUEFRUIT_TRACE_SERIAL
bluefruit_trace_footer();
#endif
}

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protocol/bluefruit/bluefruit.h Normal file
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/*
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/>.
*/
#ifndef VUSB_H
#define VUSB_H
#include "host_driver.h"
host_driver_t *bluefruit_driver(void);
#endif

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protocol/bluefruit/main.c Normal file
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/*
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();
if (remote_wakeup && suspend_wakeup_condition()) {
usb_remote_wakeup();
}
}
keyboard_task();
}
}
}