diff options
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/rn42.c | 101 | ||||
| -rw-r--r-- | drivers/bluetooth/rn42.h | 25 |
2 files changed, 126 insertions, 0 deletions
diff --git a/drivers/bluetooth/rn42.c b/drivers/bluetooth/rn42.c new file mode 100644 index 0000000000..ee4c8c330e --- /dev/null +++ b/drivers/bluetooth/rn42.c @@ -0,0 +1,101 @@ +/* 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); +} diff --git a/drivers/bluetooth/rn42.h b/drivers/bluetooth/rn42.h new file mode 100644 index 0000000000..4747759111 --- /dev/null +++ b/drivers/bluetooth/rn42.h @@ -0,0 +1,25 @@ +/* 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" + +void rn42_init(void); + +void rn42_send_keyboard(report_keyboard_t *report); + +void rn42_send_mouse(report_mouse_t *report); + +void rn42_send_consumer(uint16_t data); |