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- /* 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 "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);
- for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
- uart_write(report->keys[i]);
- }
- }
-
- void rn42_send_mouse(report_mouse_t *report) {
- uart_write(0xFD);
- uart_write(0x00);
- uart_write(0x03);
- uart_write(report->buttons);
- uart_write(report->x);
- uart_write(report->y);
- uart_write(report->v); // should try sending the wheel v here
- uart_write(report->h); // should try sending the wheel h here
- uart_write(0x00);
- }
-
- void rn42_send_consumer(uint16_t data) {
- static uint16_t last_data = 0;
- if (data == last_data) return;
- last_data = data;
- uint16_t bitmap = rn42_consumer_usage_to_bitmap(data);
- uart_write(0xFD);
- uart_write(0x03);
- uart_write(0x03);
- uart_write(bitmap & 0xFF);
- uart_write((bitmap >> 8) & 0xFF);
- }
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