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/*
Copyright 2019 Basic I/O Instruments(Scott Wei) <scot.wei@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 "bluetooth.h"
#include "uart.h"
#include "progmem.h"
#include "wait.h"
#include "debug.h"
#include "usb_descriptor.h"
#include "report.h"
void send_str(const char *str)
{
uint8_t c;
while ((c = pgm_read_byte(str++)))
uart_write(c);
}
void serial_send(uint8_t data)
{
dprintf("Sending: %u\n", data);
}
void send_bytes(uint8_t data)
{
char hexStr[3];
sprintf(hexStr, "%02X", data);
for (int j = 0; j < sizeof(hexStr) - 1; j++)
{
uart_write(hexStr[j]);
}
}
#ifdef BLUEFRUIT_TRACE_SERIAL
static void bluefruit_trace_header(void)
{
dprintf("+------------------------------------+\n");
dprintf("| HID report to Bluefruit via serial |\n");
dprintf("+------------------------------------+\n|");
}
static void bluefruit_trace_footer(void)
{
dprintf("|\n+------------------------------------+\n\n");
}
#endif
static void bluefruit_serial_send(uint8_t data)
{
#ifdef BLUEFRUIT_TRACE_SERIAL
dprintf(" %02X ", data);
#endif
serial_send(data);
}
void bluetooth_init(void) {
uart_init(76800);
wait_ms(250);
send_str(PSTR("\r\n"));
send_str(PSTR("\r\n"));
send_str(PSTR("\r\n"));
}
void bluetooth_task(void) {}
void bluetooth_send_keyboard(report_keyboard_t *report)
{
#ifdef BLUEFRUIT_TRACE_SERIAL
bluefruit_trace_header();
#endif
dprintf("Sending...\n");
send_str(PSTR("AT+BLEKEYBOARDCODE="));
send_bytes(report->mods);
send_str(PSTR("-"));
send_bytes(0);
for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
send_str(PSTR("-"));
send_bytes(report->keys[i]);
}
send_str(PSTR("\r\n"));
#ifdef BLUEFRUIT_TRACE_SERIAL
bluefruit_trace_footer();
#endif
}
void bluetooth_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
}
/*
+-----------------+-------------------+-------+
| 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 ? 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)))))))))))))))))))
void bluetooth_send_consumer(uint16_t usage)
{
uint16_t bitmap = CONSUMER2BLUEFRUIT(usage);
#ifdef BLUEFRUIT_TRACE_SERIAL
dprintf("\nData: %04X; bitmap: %04X\n", data, bitmap);
bluefruit_trace_header();
#endif
send_str(PSTR("AT+BLEHIDCONTROLKEY=0x"));
send_bytes((bitmap >> 8) & 0xFF);
send_bytes(bitmap & 0xFF);
send_str(PSTR("\r\n"));
#ifdef BLUEFRUIT_TRACE_SERIAL
bluefruit_trace_footer();
#endif
}
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