/* Copyright 2021 * * 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 "rn42.h" #include "report.h" #include "uart.h" #ifndef RN42_BAUD_RATE # define RN42_BAUD_RATE 115200 #endif // https://cdn.sparkfun.com/datasheets/Wireless/Bluetooth/bluetooth_cr_UG-v1.0r.pdf#G7.663734 static inline uint16_t rn42_consumer_usage_to_bitmap(uint16_t usage) { switch (usage) { case AC_HOME: return 0x0001; case AL_EMAIL: return 0x0002; case AC_SEARCH: return 0x0004; case AL_KEYBOARD_LAYOUT: return 0x0008; case AUDIO_VOL_UP: return 0x0010; case AUDIO_VOL_DOWN: return 0x0020; case AUDIO_MUTE: return 0x0040; case TRANSPORT_PLAY_PAUSE: return 0x0080; case TRANSPORT_NEXT_TRACK: return 0x0100; case TRANSPORT_PREV_TRACK: return 0x0200; case TRANSPORT_STOP: return 0x0400; case TRANSPORT_EJECT: return 0x0800; case TRANSPORT_FAST_FORWARD: return 0x1000; case TRANSPORT_REWIND: return 0x2000; case TRANSPORT_STOP_EJECT: return 0x4000; case AL_LOCAL_BROWSER: return 0x8000; default: return 0; } } void rn42_init(void) { uart_init(RN42_BAUD_RATE); } void rn42_send_keyboard(report_keyboard_t *report) { uart_write(0xFD); uart_write(0x09); uart_write(0x01); uart_write(report->mods); uart_write(0x00); uart_write(report->keys[0]); uart_write(report->keys[1]); uart_write(report->keys[2]); uart_write(report->keys[3]); uart_write(report->keys[4]); uart_write(report->keys[5]); } void rn42_send_mouse(report_mouse_t *report) { uart_write(0xFD); uart_write(0x05); uart_write(0x02); uart_write(report->buttons); uart_write(report->x); uart_write(report->y); uart_write(report->v); } void rn42_send_consumer(uint16_t usage) { uint16_t bitmap = rn42_consumer_usage_to_bitmap(usage); uart_write(0xFD); uart_write(0x03); uart_write(0x03); uart_write(bitmap & 0xFF); uart_write(bitmap >> 8); }