bluetooth_custom.c
4964 bytes
1/*
2Copyright 2019 Basic I/O Instruments(Scott Wei) <scot.wei@gmail.com>
3This program is free software: you can redistribute it and/or modify
4it under the terms of the GNU General Public License as published by
5the Free Software Foundation, either version 2 of the License, or
6(at your option) any later version.
7This program is distributed in the hope that it will be useful,
8but WITHOUT ANY WARRANTY; without even the implied warranty of
9MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10GNU General Public License for more details.
11You should have received a copy of the GNU General Public License
12along with this program. If not, see <http://www.gnu.org/licenses/>.
13*/
14
15#include "bluetooth.h"
16#include "uart.h"
17#include "progmem.h"
18#include "wait.h"
19#include "debug.h"
20#include "usb_descriptor.h"
21#include "report.h"
22
23void send_str(const char *str)
24{
25 uint8_t c;
26 while ((c = pgm_read_byte(str++)))
27 uart_write(c);
28}
29
30void serial_send(uint8_t data)
31{
32 dprintf("Sending: %u\n", data);
33}
34
35void send_bytes(uint8_t data)
36{
37 char hexStr[3];
38 sprintf(hexStr, "%02X", data);
39 for (int j = 0; j < sizeof(hexStr) - 1; j++)
40 {
41 uart_write(hexStr[j]);
42 }
43}
44
45#ifdef BLUEFRUIT_TRACE_SERIAL
46static void bluefruit_trace_header(void)
47{
48 dprintf("+------------------------------------+\n");
49 dprintf("| HID report to Bluefruit via serial |\n");
50 dprintf("+------------------------------------+\n|");
51}
52
53static void bluefruit_trace_footer(void)
54{
55 dprintf("|\n+------------------------------------+\n\n");
56}
57#endif
58
59static void bluefruit_serial_send(uint8_t data)
60{
61#ifdef BLUEFRUIT_TRACE_SERIAL
62 dprintf(" %02X ", data);
63#endif
64 serial_send(data);
65}
66
67void bluetooth_init(void) {
68 uart_init(76800);
69 wait_ms(250);
70
71 send_str(PSTR("\r\n"));
72 send_str(PSTR("\r\n"));
73 send_str(PSTR("\r\n"));
74}
75
76void bluetooth_task(void) {}
77
78void bluetooth_send_keyboard(report_keyboard_t *report)
79{
80#ifdef BLUEFRUIT_TRACE_SERIAL
81 bluefruit_trace_header();
82#endif
83 dprintf("Sending...\n");
84
85 send_str(PSTR("AT+BLEKEYBOARDCODE="));
86
87 send_bytes(report->mods);
88 send_str(PSTR("-"));
89 send_bytes(0);
90 for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
91 send_str(PSTR("-"));
92 send_bytes(report->keys[i]);
93 }
94
95 send_str(PSTR("\r\n"));
96#ifdef BLUEFRUIT_TRACE_SERIAL
97 bluefruit_trace_footer();
98#endif
99}
100
101void bluetooth_send_mouse(report_mouse_t *report)
102{
103#ifdef BLUEFRUIT_TRACE_SERIAL
104 bluefruit_trace_header();
105#endif
106 bluefruit_serial_send(0xFD);
107 bluefruit_serial_send(0x00);
108 bluefruit_serial_send(0x03);
109 bluefruit_serial_send(report->buttons);
110 bluefruit_serial_send(report->x);
111 bluefruit_serial_send(report->y);
112 bluefruit_serial_send(report->v); // should try sending the wheel v here
113 bluefruit_serial_send(report->h); // should try sending the wheel h here
114 bluefruit_serial_send(0x00);
115#ifdef BLUEFRUIT_TRACE_SERIAL
116 bluefruit_trace_footer();
117#endif
118}
119
120/*
121+-----------------+-------------------+-------+
122| Consumer Key | Bit Map | Hex |
123+-----------------+-------------------+-------+
124| Home | 00000001 00000000 | 01 00 |
125| KeyboardLayout | 00000010 00000000 | 02 00 |
126| Search | 00000100 00000000 | 04 00 |
127| Snapshot | 00001000 00000000 | 08 00 |
128| VolumeUp | 00010000 00000000 | 10 00 |
129| VolumeDown | 00100000 00000000 | 20 00 |
130| Play/Pause | 01000000 00000000 | 40 00 |
131| Fast Forward | 10000000 00000000 | 80 00 |
132| Rewind | 00000000 00000001 | 00 01 |
133| Scan Next Track | 00000000 00000010 | 00 02 |
134| Scan Prev Track | 00000000 00000100 | 00 04 |
135| Random Play | 00000000 00001000 | 00 08 |
136| Stop | 00000000 00010000 | 00 10 |
137+-------------------------------------+-------+
138*/
139#define CONSUMER2BLUEFRUIT(usage) \
140 (usage == AUDIO_MUTE ? 0x00e2 : (usage == AUDIO_VOL_UP ? 0x00e9 : (usage == AUDIO_VOL_DOWN ? 0x00ea : (usage == TRANSPORT_NEXT_TRACK ? 0x00b5 : (usage == TRANSPORT_PREV_TRACK ? 0x00b6 : (usage == TRANSPORT_STOP ? 0x00b7 : (usage == TRANSPORT_STOP_EJECT ? 0x00b8 : (usage == TRANSPORT_PLAY_PAUSE ? 0x00b1 : (usage == AL_CC_CONFIG ? 0x0183 : (usage == AL_EMAIL ? 0x018c : (usage == AL_CALCULATOR ? 0x0192 : (usage == AL_LOCAL_BROWSER ? 0x0196 : (usage == AC_SEARCH ? 0x021f : (usage == AC_HOME ? 0x0223 : (usage == AC_BACK ? 0x0224 : (usage == AC_FORWARD ? 0x0225 : (usage == AC_STOP ? 0x0226 : (usage == AC_REFRESH ? 0x0227 : (usage == AC_BOOKMARKS ? 0x022a : 0)))))))))))))))))))
141
142void bluetooth_send_consumer(uint16_t usage)
143{
144 uint16_t bitmap = CONSUMER2BLUEFRUIT(usage);
145
146#ifdef BLUEFRUIT_TRACE_SERIAL
147 dprintf("\nData: %04X; bitmap: %04X\n", data, bitmap);
148 bluefruit_trace_header();
149#endif
150 send_str(PSTR("AT+BLEHIDCONTROLKEY=0x"));
151 send_bytes((bitmap >> 8) & 0xFF);
152 send_bytes(bitmap & 0xFF);
153 send_str(PSTR("\r\n"));
154#ifdef BLUEFRUIT_TRACE_SERIAL
155 bluefruit_trace_footer();
156#endif
157}