mirror of
https://github.com/bluekitchen/btstack.git
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122 lines
4.1 KiB
C
122 lines
4.1 KiB
C
/*
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* Copyright (C) 2015 BlueKitchen GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* 4. Any redistribution, use, or modification is done solely for
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* personal benefit and not for any commercial purpose or for
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* monetary gain.
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*
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* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
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* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Please inquire about commercial licensing options at
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* contact@bluekitchen-gmbh.com
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*
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*/
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/*
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* bt_control_tc3566x.c
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*
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* Adapter to use Toshiba TC3566x-based chipsets with BTstack
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*
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* Supports:
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* - Set BD ADDR
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* - Set baud rate
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*/
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#include "btstack-config.h"
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#include "bt_control_tc3566x.h"
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#include <stddef.h> /* NULL */
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#include <stdio.h>
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#include <string.h> /* memcpy */
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#include "hci.h"
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#include "btstack_debug.h"
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// should go to some common place
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#define OPCODE(ogf, ocf) (ocf | ogf << 10)
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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};
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// baud rate command for tc3566x
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static int tc35661_baudrate_cmd(void * config, uint32_t baudrate, uint8_t *hci_cmd_buffer){
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uint16_t div1 = 0;
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uint8_t div2 = 0;
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switch (baudrate) {
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case 115200:
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div1 = 0x001A;
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div2 = 0x60;
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break;
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case 230400:
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div1 = 0x000D;
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div2 = 0x60;
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break;
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case 460800:
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div1 = 0x0005;
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div2 = 0xA0;
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break;
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case 921600:
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div1 = 0x0003;
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div2 = 0x70;
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break;
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default:
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log_error("tc3566x_baudrate_cmd baudrate %u not supported", baudrate);
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return 1;
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}
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memcpy(hci_cmd_buffer, baudrate_command, sizeof(baudrate_command));
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bt_store_16(hci_cmd_buffer, 13, div1);
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hci_cmd_buffer[15] = div2;
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return 0;
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}
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static int tc3566x_set_bd_addr_cmd(void * config, bd_addr_t addr, uint8_t *hci_cmd_buffer){
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// OGF 0x04 - Informational Parameters, OCF 0x10
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hci_cmd_buffer[0] = 0x13;
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hci_cmd_buffer[1] = 0x10;
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hci_cmd_buffer[2] = 0x06;
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bt_flip_addr(&hci_cmd_buffer[3], addr);
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return 0;
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}
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// MARK: const structs
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static const bt_control_t bt_control_tc3566x = {
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NULL, // on
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NULL, // off
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NULL, // sleep
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NULL, // wake
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NULL, // valid
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NULL, // name
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tc35661_baudrate_cmd, // baudrate_cmd
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NULL, // next_cmd
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NULL, // register_for_power_notifications
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NULL, // hw_error
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tc3566x_set_bd_addr_cmd, // set_bd_addr_cmd
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};
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// MARK: public API
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bt_control_t *bt_control_tc3566x_instance(void){
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return (bt_control_t*) &bt_control_tc3566x;
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}
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