1 /* 2 * Copyright (C) 2015 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_tc3566x.c 40 * 41 * Adapter to use Toshiba TC3566x-based chipsets with BTstack 42 * 43 * Supports: 44 * - Set BD ADDR 45 * - Set baud rate 46 */ 47 48 #include "btstack_config.h" 49 #include "btstack_chipset_tc3566x.h" 50 51 #include <stddef.h> /* NULL */ 52 #include <stdio.h> 53 #include <string.h> /* memcpy */ 54 #include "hci.h" 55 #include "btstack_debug.h" 56 57 // should go to some common place 58 #define OPCODE(ogf, ocf) (ocf | ogf << 10) 59 60 static const uint8_t baudrate_command[] = { 0x08, 0xfc, 0x11, 0x00, 0xa0, 0x00, 0x00, 0x00, 0x14, 0x42, 0xff, 0x10, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 61 62 static void chipset_set_baudrate_command(uint32_t baudrate, uint8_t *hci_cmd_buffer){ 63 uint16_t div1 = 0; 64 uint8_t div2 = 0; 65 switch (baudrate) { 66 case 115200: 67 div1 = 0x001A; 68 div2 = 0x60; 69 break; 70 case 230400: 71 div1 = 0x000D; 72 div2 = 0x60; 73 break; 74 case 460800: 75 div1 = 0x0005; 76 div2 = 0xA0; 77 break; 78 case 921600: 79 div1 = 0x0003; 80 div2 = 0x70; 81 break; 82 default: 83 log_error("tc3566x_baudrate_cmd baudrate %u not supported", baudrate); 84 return; 85 } 86 87 memcpy(hci_cmd_buffer, baudrate_command, sizeof(baudrate_command)); 88 little_endian_store_16(hci_cmd_buffer, 13, div1); 89 hci_cmd_buffer[15] = div2; 90 } 91 92 static void chipset_set_bd_addr_command(bd_addr_t addr, uint8_t *hci_cmd_buffer){ 93 // OGF 0x04 - Informational Parameters, OCF 0x10 94 hci_cmd_buffer[0] = 0x13; 95 hci_cmd_buffer[1] = 0x10; 96 hci_cmd_buffer[2] = 0x06; 97 reverse_bd_addr(addr, &hci_cmd_buffer[3]); 98 } 99 100 static const btstack_chipset_t btstack_chipset_tc3566x = { 101 "tc3566x", 102 NULL, // chipset_init, 103 NULL, // chipset_next_command, 104 chipset_set_baudrate_command, 105 chipset_set_bd_addr_command, 106 }; 107 108 // MARK: public API 109 const btstack_chipset_t * btstack_chipset_tc3566x_instance(void){ 110 return &btstack_chipset_tc3566x; 111 } 112