 f20883fef1
			
		
	
	
		f20883fef1
		
			
		
	
	
	
	
		
			
			* RN42 driver: small cleanups * Include header * Fix mouse report per RN42 UG * Spacing for consistency
		
			
				
	
	
		
			105 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			105 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Copyright 2021
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|  *
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|  * This program is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation, either version 2 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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|  */
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| 
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| #include "rn42.h"
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| 
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| #include "report.h"
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| #include "uart.h"
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| 
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| #ifndef RN42_BAUD_RATE
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| #    define RN42_BAUD_RATE 115200
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| #endif
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| 
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| // https://cdn.sparkfun.com/datasheets/Wireless/Bluetooth/bluetooth_cr_UG-v1.0r.pdf#G7.663734
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| static inline uint16_t rn42_consumer_usage_to_bitmap(uint16_t usage) {
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|     switch (usage) {
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|         case AC_HOME:
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|             return 0x0001;
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|         case AL_EMAIL:
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|             return 0x0002;
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|         case AC_SEARCH:
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|             return 0x0004;
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|         case AL_KEYBOARD_LAYOUT:
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|             return 0x0008;
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|         case AUDIO_VOL_UP:
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|             return 0x0010;
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|         case AUDIO_VOL_DOWN:
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|             return 0x0020;
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|         case AUDIO_MUTE:
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|             return 0x0040;
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|         case TRANSPORT_PLAY_PAUSE:
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|             return 0x0080;
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|         case TRANSPORT_NEXT_TRACK:
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|             return 0x0100;
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|         case TRANSPORT_PREV_TRACK:
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|             return 0x0200;
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|         case TRANSPORT_STOP:
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|             return 0x0400;
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|         case TRANSPORT_EJECT:
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|             return 0x0800;
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|         case TRANSPORT_FAST_FORWARD:
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|             return 0x1000;
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|         case TRANSPORT_REWIND:
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|             return 0x2000;
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|         case TRANSPORT_STOP_EJECT:
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|             return 0x4000;
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|         case AL_LOCAL_BROWSER:
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|             return 0x8000;
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|         default:
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|             return 0;
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|     }
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| }
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| 
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| void rn42_init(void) {
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|     uart_init(RN42_BAUD_RATE);
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| }
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| 
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| void rn42_send_keyboard(report_keyboard_t *report) {
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|     uart_write(0xFD);
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|     uart_write(0x09);
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|     uart_write(0x01);
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| 
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|     uart_write(report->mods);
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|     uart_write(0x00);
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|     uart_write(report->keys[0]);
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|     uart_write(report->keys[1]);
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|     uart_write(report->keys[2]);
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|     uart_write(report->keys[3]);
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|     uart_write(report->keys[4]);
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|     uart_write(report->keys[5]);
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| }
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| 
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| void rn42_send_mouse(report_mouse_t *report) {
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|     uart_write(0xFD);
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|     uart_write(0x05);
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|     uart_write(0x02);
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| 
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|     uart_write(report->buttons);
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|     uart_write(report->x);
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|     uart_write(report->y);
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|     uart_write(report->v);
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| }
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| 
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| void rn42_send_consumer(uint16_t usage) {
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|     uint16_t bitmap = rn42_consumer_usage_to_bitmap(usage);
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| 
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|     uart_write(0xFD);
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|     uart_write(0x03);
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|     uart_write(0x03);
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| 
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|     uart_write(bitmap & 0xFF);
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|     uart_write(bitmap >> 8);
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| }
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