mirror of
https://github.com/bluekitchen/btstack.git
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104 lines
3.5 KiB
C
104 lines
3.5 KiB
C
/*
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* Copyright (C) 2017 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 BLUEKITCHEN
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* GMBH 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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#define BTSTACK_FILE__ "btstack_chipset_zephyr.c"
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/*
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* btstack_chipset_zephyr.c
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*
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* Adapter to use CSR-based chipsets with BTstack
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* SCO over HCI doesn't work over H4 connection and BTM805 module from Microchip Bluetooth Audio Developer Kit (CSR8811)
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*/
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#include "btstack_chipset_zephyr.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 "btstack_control.h"
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#include "btstack_debug.h"
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#include "btstack_util.h"
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#include "hci_transport.h"
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// minimal Zpehyr init script to read static random address
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static const uint8_t init_script[] = {
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0x09, 0xfc, 0x00,
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};
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static const uint16_t init_script_size = sizeof(init_script);
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//
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static uint32_t init_script_offset = 0;
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static void chipset_init(const void * config){
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UNUSED(config);
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init_script_offset = 0;
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}
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static btstack_chipset_result_t chipset_next_command(uint8_t * hci_cmd_buffer){
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while (true){
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if (init_script_offset >= init_script_size) {
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return BTSTACK_CHIPSET_DONE;
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}
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// copy command header
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memcpy(&hci_cmd_buffer[0], (uint8_t *) &init_script[init_script_offset], 3);
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init_script_offset += 3;
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int payload_len = hci_cmd_buffer[2];
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// copy command payload
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memcpy(&hci_cmd_buffer[3], (uint8_t *) &init_script[init_script_offset], payload_len);
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return BTSTACK_CHIPSET_VALID_COMMAND;
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}
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}
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static const btstack_chipset_t btstack_chipset_zephyr = {
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"Zephyr",
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chipset_init,
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chipset_next_command,
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NULL, // chipset_set_baudrate_command,
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NULL, // chipset_set_bd_addr_command not supported or implemented
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};
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// MARK: public API
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const btstack_chipset_t * btstack_chipset_zephyr_instance(void){
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return &btstack_chipset_zephyr;
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}
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