1 /* 2 * Copyright (C) 2014 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 /* 39 * btstack_chipset_em9301.c 40 * 41 * Adapter to use em9301-based chipsets with BTstack 42 * 43 * Allows to set public BD ADDR 44 */ 45 46 #include "btstack_config.h" 47 #include "btstack_chipset_em9301.h" 48 49 #include <stddef.h> /* NULL */ 50 #include <stdio.h> 51 #include <string.h> /* memcpy */ 52 #include "hci.h" 53 54 // should go to some common place 55 #define OPCODE(ogf, ocf) (ocf | ogf << 10) 56 57 58 static void chipset_set_bd_addr_command(bd_addr_t addr, uint8_t *hci_cmd_buffer){ 59 little_endian_store_16(hci_cmd_buffer, 0, OPCODE(OGF_VENDOR, 0x02)); 60 hci_cmd_buffer[2] = 0x06; 61 bt_flip_addr(&hci_cmd_buffer[3], addr); 62 } 63 64 static const btstack_chipset_t btstack_chipset_em9301 = { 65 "EM9301", 66 NULL, // chipset_init not used 67 NULL, // chipset_next_command not used 68 NULL, // chipset_set_baudrate_command not needed as we're connected via SPI 69 chipset_set_bd_addr_command, 70 }; 71 72 // MARK: public API 73 const btstack_chipset_t * btstack_chipset_em9301_instance(void){ 74 return &btstack_chipset_em9301; 75 } 76