203 lines
6.0 KiB
C
203 lines
6.0 KiB
C
/*
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Bluefruit Protocol for TMK firmware
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Author: Benjamin Gould, 2013
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Based on code Copyright 2011 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include "host.h"
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#include "report.h"
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#include "print.h"
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#include "debug.h"
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#include "host_driver.h"
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#include "serial.h"
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#include "bluefruit.h"
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#define BLUEFRUIT_TRACE_SERIAL 1
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static uint8_t bluefruit_keyboard_leds = 0;
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static void bluefruit_serial_send(uint8_t);
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void bluefruit_keyboard_print_report(report_keyboard_t *report)
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{
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if (!debug_keyboard) return;
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dprintf("keys: "); for (int i = 0; i < KEYBOARD_REPORT_KEYS; i++) { debug_hex8(report->keys[i]); dprintf(" "); }
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dprintf(" mods: "); debug_hex8(report->mods);
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dprintf(" reserved: "); debug_hex8(report->reserved);
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dprintf("\n");
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}
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#ifdef BLUEFRUIT_TRACE_SERIAL
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static void bluefruit_trace_header()
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{
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dprintf("+------------------------------------+\n");
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dprintf("| HID report to Bluefruit via serial |\n");
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dprintf("+------------------------------------+\n|");
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}
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static void bluefruit_trace_footer()
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{
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dprintf("|\n+------------------------------------+\n\n");
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}
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#endif
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static void bluefruit_serial_send(uint8_t data)
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{
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#ifdef BLUEFRUIT_TRACE_SERIAL
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dprintf(" ");
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debug_hex8(data);
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dprintf(" ");
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#endif
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serial_send(data);
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}
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/*------------------------------------------------------------------*
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* Host driver
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*------------------------------------------------------------------*/
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static uint8_t keyboard_leds(void);
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static void send_keyboard(report_keyboard_t *report);
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static void send_mouse(report_mouse_t *report);
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static void send_system(uint16_t data);
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static void send_consumer(uint16_t data);
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static host_driver_t driver = {
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keyboard_leds,
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send_keyboard,
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send_mouse,
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send_system,
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send_consumer
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};
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host_driver_t *bluefruit_driver(void)
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{
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return &driver;
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}
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static uint8_t keyboard_leds(void) {
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return bluefruit_keyboard_leds;
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}
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static void send_keyboard(report_keyboard_t *report)
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{
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#ifdef BLUEFRUIT_TRACE_SERIAL
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bluefruit_trace_header();
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#endif
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bluefruit_serial_send(0xFD);
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for (uint8_t i = 0; i < KEYBOARD_REPORT_SIZE; i++) {
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bluefruit_serial_send(report->raw[i]);
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}
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#ifdef BLUEFRUIT_TRACE_SERIAL
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bluefruit_trace_footer();
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#endif
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}
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static void send_mouse(report_mouse_t *report)
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{
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#ifdef BLUEFRUIT_TRACE_SERIAL
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bluefruit_trace_header();
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#endif
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bluefruit_serial_send(0xFD);
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bluefruit_serial_send(0x00);
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bluefruit_serial_send(0x03);
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bluefruit_serial_send(report->buttons);
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bluefruit_serial_send(report->x);
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bluefruit_serial_send(report->y);
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bluefruit_serial_send(report->v); // should try sending the wheel v here
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bluefruit_serial_send(report->h); // should try sending the wheel h here
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bluefruit_serial_send(0x00);
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#ifdef BLUEFRUIT_TRACE_SERIAL
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bluefruit_trace_footer();
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#endif
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}
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static void send_system(uint16_t data)
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{
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}
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/*
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+-----------------+-------------------+-------+
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| Consumer Key | Bit Map | Hex |
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+-----------------+-------------------+-------+
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| Home | 00000001 00000000 | 01 00 |
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| KeyboardLayout | 00000010 00000000 | 02 00 |
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| Search | 00000100 00000000 | 04 00 |
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| Snapshot | 00001000 00000000 | 08 00 |
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| VolumeUp | 00010000 00000000 | 10 00 |
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| VolumeDown | 00100000 00000000 | 20 00 |
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| Play/Pause | 01000000 00000000 | 40 00 |
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| Fast Forward | 10000000 00000000 | 80 00 |
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| Rewind | 00000000 00000001 | 00 01 |
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| Scan Next Track | 00000000 00000010 | 00 02 |
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| Scan Prev Track | 00000000 00000100 | 00 04 |
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| Random Play | 00000000 00001000 | 00 08 |
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| Stop | 00000000 00010000 | 00 10 |
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+-------------------------------------+-------+
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*/
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#define CONSUMER2BLUEFRUIT(usage) \
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(usage == AUDIO_MUTE ? 0x0000 : \
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(usage == AUDIO_VOL_UP ? 0x1000 : \
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(usage == AUDIO_VOL_DOWN ? 0x2000 : \
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(usage == TRANSPORT_NEXT_TRACK ? 0x0002 : \
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(usage == TRANSPORT_PREV_TRACK ? 0x0004 : \
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(usage == TRANSPORT_STOP ? 0x0010 : \
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(usage == TRANSPORT_STOP_EJECT ? 0x0000 : \
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(usage == TRANSPORT_PLAY_PAUSE ? 0x4000 : \
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(usage == AL_CC_CONFIG ? 0x0000 : \
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(usage == AL_EMAIL ? 0x0000 : \
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(usage == AL_CALCULATOR ? 0x0000 : \
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(usage == AL_LOCAL_BROWSER ? 0x0000 : \
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(usage == AC_SEARCH ? 0x0400 : \
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(usage == AC_HOME ? 0x0100 : \
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(usage == AC_BACK ? 0x0000 : \
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(usage == AC_FORWARD ? 0x0000 : \
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(usage == AC_STOP ? 0x0000 : \
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(usage == AC_REFRESH ? 0x0000 : \
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(usage == AC_BOOKMARKS ? 0x0000 : 0)))))))))))))))))))
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static void send_consumer(uint16_t data)
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{
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static uint16_t last_data = 0;
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if (data == last_data) return;
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last_data = data;
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uint16_t bitmap = CONSUMER2BLUEFRUIT(data);
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#ifdef BLUEFRUIT_TRACE_SERIAL
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dprintf("\nData: ");
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debug_hex16(data);
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dprintf("; bitmap: ");
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debug_hex16(bitmap);
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dprintf("\n");
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bluefruit_trace_header();
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#endif
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bluefruit_serial_send(0xFD);
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bluefruit_serial_send(0x00);
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bluefruit_serial_send(0x02);
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bluefruit_serial_send((bitmap>>8)&0xFF);
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bluefruit_serial_send(bitmap&0xFF);
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bluefruit_serial_send(0x00);
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bluefruit_serial_send(0x00);
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bluefruit_serial_send(0x00);
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bluefruit_serial_send(0x00);
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#ifdef BLUEFRUIT_TRACE_SERIAL
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bluefruit_trace_footer();
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#endif
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}
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