Merge pull request #81 from bgould/master
Add support for Adafruit's Bluefruit
This commit is contained in:
		
						commit
						f3132adb33
					
				
					 10 changed files with 1159 additions and 0 deletions
				
			
		
							
								
								
									
										27
									
								
								protocol/bluefruit.mk
									
										
									
									
									
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										27
									
								
								protocol/bluefruit.mk
									
										
									
									
									
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BLUEFRUIT_DIR = protocol/bluefruit
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PJRC_DIR = protocol/pjrc
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SRC +=	$(BLUEFRUIT_DIR)/main.c \
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	$(BLUEFRUIT_DIR)/bluefruit.c \
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	serial_uart.c \
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	$(PJRC_DIR)/pjrc.c \
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	$(PJRC_DIR)/usb_keyboard.c \
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	$(PJRC_DIR)/usb_debug.c \
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	$(PJRC_DIR)/usb.c
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# Option modules
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ifdef $(or MOUSEKEY_ENABLE, PS2_MOUSE_ENABLE)
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    SRC += $(PJRC_DIR)/usb_mouse.c
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endif
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ifdef EXTRAKEY_ENABLE
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    SRC += $(PJRC_DIR)/usb_extra.c
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endif
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# Search Path
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VPATH += $(TOP_DIR)/$(BLUEFRUIT_DIR)
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#VPATH += $(TOP_DIR)/$(BLUEFRUIT_DIR)/usb_debug_only
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VPATH += $(TOP_DIR)/$(PJRC_DIR)
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OPT_DEFS += -DPROTOCOL_BLUEFRUIT
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OPT_DEFS += -DPROTOCOL_PJRC
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										202
									
								
								protocol/bluefruit/bluefruit.c
									
										
									
									
									
										Normal file
									
								
							
							
						
						
									
										202
									
								
								protocol/bluefruit/bluefruit.c
									
										
									
									
									
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/*
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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
 | 
			
		||||
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/>.
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		||||
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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 < 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 < 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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										28
									
								
								protocol/bluefruit/bluefruit.h
									
										
									
									
									
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										28
									
								
								protocol/bluefruit/bluefruit.h
									
										
									
									
									
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/*
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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
 | 
			
		||||
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/>.
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*/
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#ifndef VUSB_H
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#define VUSB_H
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#include "host_driver.h"
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host_driver_t *bluefruit_driver(void);
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#endif
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										116
									
								
								protocol/bluefruit/main.c
									
										
									
									
									
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										116
									
								
								protocol/bluefruit/main.c
									
										
									
									
									
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/*
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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/>.
 | 
			
		||||
*/
 | 
			
		||||
 | 
			
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#include <stdint.h>
 | 
			
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#include <avr/interrupt.h>
 | 
			
		||||
#include <avr/wdt.h>
 | 
			
		||||
#include <avr/sleep.h>
 | 
			
		||||
#include <util/delay.h>
 | 
			
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#include "serial.h"
 | 
			
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#include "keyboard.h"
 | 
			
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#include "usb.h"
 | 
			
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#include "host.h"
 | 
			
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#include "timer.h"
 | 
			
		||||
#include "print.h"
 | 
			
		||||
#include "debug.h"
 | 
			
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#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);
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		||||
 | 
			
		||||
    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");
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		||||
        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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