mirror of
https://github.com/bluekitchen/btstack.git
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119 lines
3.8 KiB
C
119 lines
3.8 KiB
C
/*
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* Copyright (C) 2014 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_stlc2500d.c"
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/*
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* btstack_chipset_stlc2500d.c
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*
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* Adapter to use stlc2500d-based chipsets with BTstack
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*
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*/
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#include "btstack_config.h"
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#include "btstack_chipset_stlc2500d.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 void chipset_set_baudrate_command(uint32_t baudrate, uint8_t *hci_cmd_buffer){
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// map baud rate to predefined settings
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int preset = 0;
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switch (baudrate){
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case 57600:
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preset = 0x0e;
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break;
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case 115200:
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preset = 0x10;
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break;
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case 230400:
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preset = 0x12;
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break;
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case 460800:
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preset = 0x13;
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break;
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case 921600:
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preset = 0x14;
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break;
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case 1843200:
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preset = 0x16;
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break;
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case 2000000:
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preset = 0x19;
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break;
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case 3000000:
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preset = 0x1b;
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break;
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case 4000000:
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preset = 0x1f;
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break;
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default:
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log_error("stlc2500d_baudrate_cmd baudrate %u not supported", baudrate);
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return;
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}
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little_endian_store_16(hci_cmd_buffer, 0, OPCODE(OGF_VENDOR, 0xfc));
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hci_cmd_buffer[2] = 0x01;
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hci_cmd_buffer[3] = preset;
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}
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static void chipset_set_bd_addr_command(bd_addr_t addr, uint8_t *hci_cmd_buffer){
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little_endian_store_16(hci_cmd_buffer, 0, OPCODE(OGF_VENDOR, 0x22));
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hci_cmd_buffer[2] = 0x08;
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hci_cmd_buffer[3] = 254;
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hci_cmd_buffer[4] = 0x06;
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reverse_bd_addr(addr, &hci_cmd_buffer[5]);
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}
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static const btstack_chipset_t btstack_chipset_stlc2500d = {
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"BCM",
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NULL, // chipset_init,
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NULL, // chipset_next_command,
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chipset_set_baudrate_command,
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chipset_set_bd_addr_command,
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};
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// MARK: public API
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const btstack_chipset_t * btstack_chipset_stlc2500d_instance(void){
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return &btstack_chipset_stlc2500d;
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}
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