关键字：bluetooth 蓝牙协议 HCI剖析 HCI概述 HCI笔记 LMP L2CAP SDP RFCOMM
作者：zhongjun
本着互相学习的目的，来分享此一系列的文章，欢迎转载，请注明作者，尊重版权，谢谢文章有不当处请指正，共同学习
LMP剖析 + 模拟源码：
HCI剖析 + 模拟源码：
L2CAP剖析 + 模拟源码（未完成）SDP剖析 + 模拟源码（未完成）
rfcomm剖析 + 模拟源码（未完成）
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华丽分割线，进入正题
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HCI源码：
bt_hci.h
/*
* This file is part of the HCI protocal.
* Data :20160506
* Author: zhongjun
*
*/
#ifndef BT_HCI_H_H
#define BT_HCI_H_H
#include "bt_cfg.h"
#ifdef DEBUG_BT_HCI
#define DEBUG(x) {printf x;}
#define BT_HCI_DEBUG(x) DEBUG(x)
#else
#define BT_HCI_DEBUG(x)
#endif
#define TRANSPORT_UART
#define TRANSPORT_USBx
#define TRANSPORT_SDIOx
#define SCAN_DISABLED 0x00
#define SCAN_INQUIRY 0x01
#define SCAN_PAGE 0x02
/* ACL flags */
#define ACL_CONT 0x01
#define ACL_START 0x02
#define ACL_ACTIVE_BCAST 0x04
#define ACL_PICO_BCAST 0x08
/* CMD/EVT/ACL/SCO types */
#define HCI_COMMAND_PKT 0x01
#define HCI_ACLDATA_PKT 0x02
#define HCI_SCODATA_PKT 0x03
#define HCI_EVENT_PKT 0x04
#define HCI_VENDOR_PKT 0xff
/* HCI Packet types */
#define HCI_2DH1 0x0002
#define HCI_3DH1 0x0004
#define HCI_DM1 0x0008
#define HCI_DH1 0x0010
#define HCI_2DH3 0x0100
#define HCI_3DH3 0x0200
#define HCI_DM3 0x0400
#define HCI_DH3 0x0800
#define HCI_2DH5 0x1000
#define HCI_3DH5 0x2000
#define HCI_DM5 0x4000
#define HCI_DH5 0x8000
#define HCI_HV1 0x0020
#define HCI_HV2 0x0040
#define HCI_HV3 0x0080
#define HCI_EV3 0x0008
#define HCI_EV4 0x0010
#define HCI_EV5 0x0020
#define HCI_2EV3 0x0040
#define HCI_3EV3 0x0080
#define HCI_2EV5 0x0100
#define HCI_3EV5 0x0200
/* HCI Error codes */
#define HCI_UNKNOWN_COMMAND 0x01
#define HCI_NO_CONNECTION 0x02
#define HCI_HARDWARE_FAILURE 0x03
#define HCI_PAGE_TIMEOUT 0x04
#define HCI_AUTHENTICATION_FAILURE 0x05
#define HCI_PIN_OR_KEY_MISSING 0x06
#define HCI_MEMORY_FULL 0x07
#define HCI_CONNECTION_TIMEOUT 0x08
#define HCI_MAX_NUMBER_OF_CONNECTIONS 0x09
#define HCI_MAX_NUMBER_OF_SCO_CONNECTIONS 0x0a
#define HCI_ACL_CONNECTION_EXISTS 0x0b
#define HCI_COMMAND_DISALLOWED 0x0c
#define HCI_REJECTED_LIMITED_RESOURCES 0x0d
#define HCI_REJECTED_SECURITY 0x0e
#define HCI_REJECTED_PERSONAL 0x0f
#define HCI_HOST_TIMEOUT 0x10
#define HCI_UNSUPPORTED_FEATURE 0x11
#define HCI_INVALID_PARAMETERS 0x12
#define HCI_OE_USER_ENDED_CONNECTION 0x13
#define HCI_OE_LOW_RESOURCES 0x14
#define HCI_OE_POWER_OFF 0x15
#define HCI_CONNECTION_TERMINATED 0x16
#define HCI_REPEATED_ATTEMPTS 0x17
#define HCI_PAIRING_NOT_ALLOWED 0x18
#define HCI_UNKNOWN_LMP_PDU 0x19
#define HCI_UNSUPPORTED_REMOTE_FEATURE 0x1a
#define HCI_SCO_OFFSET_REJECTED 0x1b
#define HCI_SCO_INTERVAL_REJECTED 0x1c
#define HCI_AIR_MODE_REJECTED 0x1d
#define HCI_INVALID_LMP_PARAMETERS 0x1e
#define HCI_UNSPECIFIED_ERROR 0x1f
#define HCI_UNSUPPORTED_LMP_PARAMETER_VALUE 0x20
#define HCI_ROLE_CHANGE_NOT_ALLOWED 0x21
#define HCI_LMP_RESPONSE_TIMEOUT 0x22
#define HCI_LMP_ERROR_TRANSACTION_COLLISION 0x23
#define HCI_LMP_PDU_NOT_ALLOWED 0x24
#define HCI_ENCRYPTION_MODE_NOT_ACCEPTED 0x25
#define HCI_UNIT_LINK_KEY_USED 0x26
#define HCI_QOS_NOT_SUPPORTED 0x27
#define HCI_INSTANT_PASSED 0x28
#define HCI_PAIRING_NOT_SUPPORTED 0x29
#define HCI_TRANSACTION_COLLISION 0x2a
#define HCI_QOS_UNACCEPTABLE_PARAMETER 0x2c
#define HCI_QOS_REJECTED 0x2d
#define HCI_CLASSIFICATION_NOT_SUPPORTED 0x2e
#define HCI_INSUFFICIENT_SECURITY 0x2f
#define HCI_PARAMETER_OUT_OF_RANGE 0x30
#define HCI_ROLE_SWITCH_PENDING 0x32
#define HCI_SLOT_VIOLATION 0x34
#define HCI_ROLE_SWITCH_FAILED 0x35
#define HCI_EIR_TOO_LARGE 0x36
#define HCI_SIMPLE_PAIRING_NOT_SUPPORTED 0x37
#define HCI_HOST_BUSY_PAIRING 0x38
/* Command opcode pack/unpack */
#define cmd_opcode_pack(ogf, ocf) (uint16_t)((ocf & 0x03ff)|(ogf << 10))
#define cmd_opcode_ogf(op) (op >> 10)
#define cmd_opcode_ocf(op) (op & 0x03ff)
/* ACL handle and flags pack/unpack */
#define acl_handle_pack(h, f) (uint16_t)((h & 0x0fff)|(f << 12))
#define acl_get_handle(h) (h & 0x0fff)
#define acl_get_flags(h) (h >> 12)
/* ----- HCI Commands ----- */
/* Link Control */
#define OGF_LINK_CTL 0x01
#define OCF_INQUIRY 0x0001
#define OCF_INQUIRY_CANCEL 0x0002
#define OCF_PERIODIC_INQUIRY 0x0003
#define OCF_EXIT_PERIODIC_INQUIRY 0x0004
#define OCF_CREATE_CONN 0x0005
#define OCF_DISCONNECT 0x0006
#define OCF_ADD_SCO 0x0007
#define OCF_CREATE_CONN_CANCEL 0x0008
#define OCF_ACCEPT_CONN_REQ 0x0009
#define OCF_REJECT_CONN_REQ 0x000A
#define OCF_LINK_KEY_REPLY 0x000B
#define OCF_LINK_KEY_NEG_REPLY 0x000C
#define OCF_PIN_CODE_REPLY 0x000D
#define OCF_PIN_CODE_NEG_REPLY 0x000E
#define OCF_SET_CONN_PTYPE 0x000F
#define OCF_AUTH_REQUESTED 0x0011
#define OCF_SET_CONN_ENCRYPT 0x0013
#define OCF_CHANGE_CONN_LINK_KEY 0x0015
#define OCF_MASTER_LINK_KEY 0x0017
#define OCF_REMOTE_NAME_REQ 0x0019
#define OCF_REMOTE_NAME_REQ_CANCEL 0x001A
#define OCF_READ_REMOTE_FEATURES 0x001B
#define OCF_READ_REMOTE_EXT_FEATURES 0x001C
#define OCF_READ_REMOTE_VERSION 0x001D
#define OCF_READ_CLOCK_OFFSET 0x001F
#define OCF_READ_LMP_HANDLE 0x0020
#define OCF_SETUP_SYNC_CONN 0x0028
#define OCF_ACCEPT_SYNC_CONN_REQ 0x0029
#define OCF_REJECT_SYNC_CONN_REQ 0x002A
#define OCF_IO_CAPABILITY_REPLY 0x002B
#define OCF_USER_CONFIRM_REPLY 0x002C
#define OCF_USER_CONFIRM_NEG_REPLY 0x002D
#define OCF_USER_PASSKEY_REPLY 0x002E
#define OCF_USER_PASSKEY_NEG_REPLY 0x002F
#define OCF_REMOTE_OOB_DATA_REPLY 0x0030
#define OCF_REMOTE_OOB_DATA_NEG_REPLY 0x0033
#define OCF_IO_CAPABILITY_NEG_REPLY 0x0034
/* Link Policy */
#define OGF_LINK_POLICY 0x02
#define OCF_HOLD_MODE 0x0001
#define OCF_SNIFF_MODE 0x0003
#define OCF_EXIT_SNIFF_MODE 0x0004
#define OCF_PARK_MODE 0x0005
#define OCF_EXIT_PARK_MODE 0x0006
#define OCF_QOS_SETUP 0x0007
#define OCF_ROLE_DISCOVERY 0x0009
#define OCF_SWITCH_ROLE 0x000B
#define OCF_READ_LINK_POLICY 0x000C
#define OCF_WRITE_LINK_POLICY 0x000D
#define OCF_READ_DEFAULT_LINK_POLICY 0x000E
#define OCF_WRITE_DEFAULT_LINK_POLICY 0x000F
#define OCF_FLOW_SPECIFICATION 0x0010
#define OCF_SNIFF_SUBRATING 0x0011
/* Host Controller and Baseband */
#define OGF_HOST_CTL 0x03
#define OCF_SET_EVENT_MASK 0x0001
#define OCF_RESET 0x0003
#define OCF_SET_EVENT_FLT 0x0005
#define OCF_FLUSH 0x0008
#define OCF_READ_PIN_TYPE 0x0009
#define OCF_WRITE_PIN_TYPE 0x000A
#define OCF_CREATE_NEW_UNIT_KEY 0x000B
#define OCF_READ_STORED_LINK_KEY 0x000D
#define OCF_WRITE_STORED_LINK_KEY 0x0011
#define OCF_DELETE_STORED_LINK_KEY 0x0012
#define OCF_CHANGE_LOCAL_NAME 0x0013
#define OCF_READ_LOCAL_NAME 0x0014
#define OCF_READ_CONN_ACCEPT_TIMEOUT 0x0015
#define OCF_WRITE_CONN_ACCEPT_TIMEOUT 0x0016
#define OCF_READ_PAGE_TIMEOUT 0x0017
#define OCF_WRITE_PAGE_TIMEOUT 0x0018
#define OCF_READ_SCAN_ENABLE 0x0019
#define OCF_WRITE_SCAN_ENABLE 0x001A
#define OCF_READ_PAGE_ACTIVITY 0x001B
#define OCF_WRITE_PAGE_ACTIVITY 0x001C
#define OCF_READ_INQ_ACTIVITY 0x001D
#define OCF_WRITE_INQ_ACTIVITY 0x001E
#define OCF_READ_AUTH_ENABLE 0x001F
#define OCF_WRITE_AUTH_ENABLE 0x0020
#define OCF_READ_ENCRYPT_MODE 0x0021
#define OCF_WRITE_ENCRYPT_MODE 0x0022
#define OCF_READ_CLASS_OF_DEV 0x0023
#define OCF_WRITE_CLASS_OF_DEV 0x0024
#define OCF_READ_VOICE_SETTING 0x0025
#define OCF_WRITE_VOICE_SETTING 0x0026
#define OCF_READ_AUTOMATIC_FLUSH_TIMEOUT 0x0027
#define OCF_WRITE_AUTOMATIC_FLUSH_TIMEOUT 0x0028
#define OCF_READ_NUM_BROADCAST_RETRANS 0x0029
#define OCF_WRITE_NUM_BROADCAST_RETRANS 0x002A
#define OCF_READ_HOLD_MODE_ACTIVITY 0x002B
#define OCF_WRITE_HOLD_MODE_ACTIVITY 0x002C
#define OCF_READ_TRANSMIT_POWER_LEVEL 0x002D
#define OCF_READ_SYNC_FLOW_ENABLE 0x002E
#define OCF_WRITE_SYNC_FLOW_ENABLE 0x002F
#define OCF_SET_CONTROLLER_TO_HOST_FC 0x0031
#define OCF_HOST_BUFFER_SIZE 0x0033
#define OCF_HOST_NUM_COMP_PKTS 0x0035
#define OCF_READ_LINK_SUPERVISION_TIMEOUT 0x0036
#define OCF_WRITE_LINK_SUPERVISION_TIMEOUT 0x0037
#define OCF_READ_NUM_SUPPORTED_IAC 0x0038
#define OCF_READ_CURRENT_IAC_LAP 0x0039
#define OCF_WRITE_CURRENT_IAC_LAP 0x003A
#define OCF_READ_PAGE_SCAN_PERIOD_MODE 0x003B
#define OCF_WRITE_PAGE_SCAN_PERIOD_MODE 0x003C
#define OCF_READ_PAGE_SCAN_MODE 0x003D
#define OCF_WRITE_PAGE_SCAN_MODE 0x003E
#define OCF_SET_AFH_CLASSIFICATION 0x003F
#define OCF_READ_INQUIRY_SCAN_TYPE 0x0042
#define OCF_WRITE_INQUIRY_SCAN_TYPE 0x0043
#define OCF_READ_INQUIRY_MODE 0x0044
#define OCF_WRITE_INQUIRY_MODE 0x0045
#define OCF_READ_PAGE_SCAN_TYPE 0x0046
#define OCF_WRITE_PAGE_SCAN_TYPE 0x0047
#define OCF_READ_AFH_MODE 0x0048
#define OCF_WRITE_AFH_MODE 0x0049
#define OCF_READ_EXT_INQUIRY_RESPONSE 0x0051
#define OCF_WRITE_EXT_INQUIRY_RESPONSE 0x0052
#define OCF_REFRESH_ENCRYPTION_KEY 0x0053
#define OCF_READ_SIMPLE_PAIRING_MODE 0x0055
#define OCF_WRITE_SIMPLE_PAIRING_MODE 0x0056
#define OCF_READ_LOCAL_OOB_DATA 0x0057
#define OCF_READ_INQUIRY_TRANSMIT_POWER_LEVEL 0x0058
#define OCF_WRITE_INQUIRY_TRANSMIT_POWER_LEVEL 0x0059
#define OCF_READ_DEFAULT_ERROR_DATA_REPORTING 0x005A
#define OCF_WRITE_DEFAULT_ERROR_DATA_REPORTING 0x005B
#define OCF_ENHANCED_FLUSH 0x005F
#define OCF_SEND_KEYPRESS_NOTIFY 0x0060
/* Informational Parameters */
#define OGF_INFO_PARAM 0x04
#define OCF_READ_LOCAL_VERSION 0x0001
#define OCF_READ_LOCAL_COMMANDS 0x0002
#define OCF_READ_LOCAL_FEATURES 0x0003
#define OCF_READ_LOCAL_EXT_FEATURES 0x0004
#define OCF_READ_BUFFER_SIZE 0x0005
#define OCF_READ_COUNTRY_CODE 0x0007
#define OCF_READ_BD_ADDR 0x0009
/* Status params */
#define OGF_STATUS_PARAM 0x05
#define OCF_READ_FAILED_CONTACT_COUNTER 0x0001
#define OCF_RESET_FAILED_CONTACT_COUNTER 0x0002
#define OCF_READ_LINK_QUALITY 0x0003
#define OCF_READ_RSSI 0x0005
#define OCF_READ_AFH_MAP 0x0006
#define OCF_READ_CLOCK 0x0007
/* Testing commands */
#define OGF_TESTING_CMD 0x06
#define OCF_READ_LOOPBACK_MODE 0x0001
#define OCF_WRITE_LOOPBACK_MODE 0x0002
#define OCF_ENABLE_DEVICE_UNDER_TEST_MODE 0x0003
#define OCF_WRITE_SIMPLE_PAIRING_DEBUG_MODE 0x0004
/* Vendor specific commands */
#define OGF_VENDOR_CMD 0x3f
/* ---- HCI Events ---- */
#define EVT_INQUIRY_COMPLETE 0x01
#define EVT_INQUIRY_RESULT 0x02
#define EVT_CONN_COMPLETE 0x03
#define EVT_CONN_REQUEST 0x04
#define EVT_DISCONN_COMPLETE 0x05
#define EVT_AUTH_COMPLETE 0x06
#define EVT_REMOTE_NAME_REQ_COMPLETE 0x07
#define EVT_ENCRYPT_CHANGE 0x08
#define EVT_CHANGE_CONN_LINK_KEY_COMPLETE 0x09
#define EVT_MASTER_LINK_KEY_COMPLETE 0x0A
#define EVT_READ_REMOTE_FEATURES_COMPLETE 0x0B
#define EVT_READ_REMOTE_VERSION_COMPLETE 0x0C
#define EVT_QOS_SETUP_COMPLETE 0x0D
#define EVT_CMD_COMPLETE 0x0E
#define EVT_CMD_STATUS 0x0F
#define EVT_HARDWARE_ERROR 0x10
#define EVT_FLUSH_OCCURRED 0x11
#define EVT_ROLE_CHANGE 0x12
#define EVT_NUM_COMP_PKTS 0x13
#define EVT_MODE_CHANGE 0x14
#define EVT_RETURN_LINK_KEYS 0x15
#define EVT_PIN_CODE_REQ 0x16
#define EVT_LINK_KEY_REQ 0x17
#define EVT_LINK_KEY_NOTIFY 0x18
#define EVT_LOOPBACK_COMMAND 0x19
#define EVT_DATA_BUFFER_OVERFLOW 0x1A
#define EVT_MAX_SLOTS_CHANGE 0x1B
#define EVT_READ_CLOCK_OFFSET_COMPLETE 0x1C
#define EVT_CONN_PTYPE_CHANGED 0x1D
#define EVT_QOS_VIOLATION 0x1E
#define EVT_PSCAN_REP_MODE_CHANGE 0x20
#define EVT_FLOW_SPEC_COMPLETE 0x21
#define EVT_INQUIRY_RESULT_WITH_RSSI 0x22
#define EVT_READ_REMOTE_EXT_FEATURES_COMPLETE 0x23
#define EVT_SYNC_CONN_COMPLETE 0x2C
#define EVT_SYNC_CONN_CHANGED 0x2D
#define EVT_SNIFF_SUBRATING 0x2E
#define EVT_EXTENDED_INQUIRY_RESULT 0x2F
#define EVT_ENCRYPTION_KEY_REFRESH_COMPLETE 0x30
#define EVT_IO_CAPABILITY_REQUEST 0x31
#define EVT_IO_CAPABILITY_RESPONSE 0x32
#define EVT_USER_CONFIRM_REQUEST 0x33
#define EVT_USER_PASSKEY_REQUEST 0x34
#define EVT_REMOTE_OOB_DATA_REQUEST 0x35
#define EVT_SIMPLE_PAIRING_COMPLETE 0x36
#define EVT_LINK_SUPERVISION_TIMEOUT_CHANGED 0x38
#define EVT_ENHANCED_FLUSH_COMPLETE 0x39
#define EVT_USER_PASSKEY_NOTIFY 0x3B
#define EVT_KEYPRESS_NOTIFY 0x3C
#define EVT_REMOTE_HOST_FEATURES_NOTIFY 0x3D
#define HCI_COMMAND_HDR_SIZE 3
#define HCI_EVENT_HDR_SIZE 3
#define HCI_ACL_HDR_SIZE 4
#define HCI_SCO_HDR_SIZE 3
#pragma pack(1)
/*PDU HDR*/
typedef struct
{
uint16_t opcode;
uint8_t para_total_len;
}HCI_Command_HDR_Format;
typedef struct
{
uint8_t evecode;
uint8_t para_total_len;
}HCI_Event_HDR_Format;
typedef struct {
uint16_t handle; /* Handle & Flags(PB, BC) */
uint16_t dlen;
}HCI_ACL_HDR_Format;
typedef struct {
uint16_t handle;
uint8_t dlen;
}HCI_SCO_HDR_Format;
/*DEATIL COMMAND PDU FORMAT*/
/* Link Control */
typedef struct
{
HCI_Command_HDR_Format HDR;
uint8_t lap[3];
uint8_t inquiry_time;
uint8_t num_limit;
}COM_Inquiay_Format;
typedef struct
{
HCI_Command_HDR_Format HDR;
uint8_t BD_ADDR[6];
uint16_t pkt_type;
uint8_t pscan_rep_mode;
uint8_t reserved;
uint16_t clock_offset;
uint8_t role_switch;
}COM_Create_Connect_Format;
typedef struct
{
HCI_Command_HDR_Format HDR;
uint16_t con_handle;
uint8_t reason;
}COM_Disconnect_Format;
/* Link Policy */
/* Host Controller and Baseband */
typedef struct
{
HCI_Command_HDR_Format HDR;
}COM_Reset_Format;
typedef struct
{
uint8_t status;
}Reset_rsp_Format;
typedef struct
{
HCI_Command_HDR_Format HDR;
uint8_t scan_enable;
}COM_Write_Scan_Enable_Format;
typedef struct
{
uint8_t status;
}Write_Scan_Enable_rsp_Format;
/* Informational Parameters */
typedef struct
{
HCI_Command_HDR_Format HDR;
}COM_Read_Buffer_Size_Format;
typedef struct
{
uint8_t status;
uint16_t acl_mtu;
uint8_t sco_mtu;
uint16_t acl_max_pkt;
uint16_t sco_max_pkt;
}Read_Buffer_Size_rsp_Format;
typedef struct
{
HCI_Command_HDR_Format HDR;
}COM_Read_BD_ADDR_Format;
typedef struct
{
uint8_t status;
uint8_t BD_ADDR[6];
}Read_BD_ADDR_rsp_Format;
/* Status params */
/* Testing commands */
/* Vendor specific commands */
/* Vendor specific commands */
/*DEATIL EVENT PDU FORMAT*/
typedef struct {
HCI_Event_HDR_Format HDR;
uint8_t ncmd;
uint16_t opcode;
}EVT_Com_Complete_HDR_Format;
typedef struct {
HCI_Event_HDR_Format HDR;
uint8_t status;
uint8_t ncmd;
uint16_t opcode;
}EVT_CMD_Status_Format;
typedef struct {
HCI_Event_HDR_Format HDR;
uint8_t ncmd;
uint8_t bdaddr[6];
uint8_t page_scan_mode;
uint8_t reserved[2];
uint8_t dev_class[3];
uint16_t clock_offset;
}EVT_CMD_Inquiry_result_Format;
typedef struct {
HCI_Event_HDR_Format HDR;
uint8_t status;
uint16_t con_handle;
uint8_t bdaddr[6];
uint8_t link_type;
uint8_t encryption_enabled;
}EVT_CMD_Connect_complete_Format;
typedef struct {
HCI_Event_HDR_Format HDR;
uint8_t status;
uint16_t con_handle;
uint8_t reason;
}EVT_CMD_Disconnect_complete_Format;
typedef struct {
HCI_Event_HDR_Format HDR;
uint8_t status;
}EVT_CMD_Inquiry_complete_Format;
#pragma pack ()
/*HCI API*/
int hci_reset();
int hci_read_buffer_size();
int hci_write_scan_enable(uint8_t scan_enable);
int hci_read_bd_addr();
int hci_connect_req(uint8_t BD_ADDR[6],uint16_t pkt_type,uint8_t pscan_rep_mode,uint8_t allow_role_switch);
int hci_disconnect(uint16_t con_handle,uint8_t reason);
int hci_inquiry(uint8_t lap[3],uint8_t inquiry_time,uint8_t num_limit);
int hci_send_acl_data(uint16_t handle,uint8_t *acl_data,uint16_t acl_length);
int hci_send_cmd(uint8_t *PDU,uint32_t length);
int hci_receive_pdu(uint8_t *PDU,uint32_t length);
int hci_parse_cmd(uint8_t *PDU,uint32_t length);
int hci_parse_evt(uint8_t *PDU,uint32_t length);
int hci_parse_acl(uint8_t *PDU,uint32_t length);
int hci_parse_sco(uint8_t *PDU,uint32_t length);
int hci_parse_evt_complete(uint8_t *PDU,uint32_t length);
int hci_parse_evt_cmd_status(uint8_t *PDU,uint32_t length);
int hci_parse_evt_inquiry_result(uint8_t *PDU,uint32_t length);
int hci_parse_evt_inquiry_complete(uint8_t *PDU,uint32_t length);
int hci_parse_evt_connect_complete(uint8_t *PDU,uint32_t length);
int hci_parse_evt_disconnect_complete(uint8_t *PDU,uint32_t length);
int hci_parse_reset_rsp(uint8_t *PDU,uint32_t length);
int hci_parse_read_buffer_size_rsp(uint8_t *PDU,uint32_t length);
int hci_parse_write_scan_enable_rsp(uint8_t *PDU,uint32_t length);
int hci_parse_read_BD_ADDR_rsp(uint8_t *PDU,uint32_t length);
#endif
bt_hci.c
#include "bt_hci.h"
int hci_reset()
{
COM_Reset_Format PDU;
PDU.HDR.opcode = cmd_opcode_pack(OGF_HOST_CTL,OCF_RESET);
PDU.HDR.para_total_len = sizeof(COM_Reset_Format) - HCI_COMMAND_HDR_SIZE;
hci_send_cmd((uint8_t *)&PDU,sizeof(COM_Reset_Format));
}
int hci_read_buffer_size()
{
COM_Read_Buffer_Size_Format PDU;
PDU.HDR.opcode = cmd_opcode_pack(OGF_INFO_PARAM,OCF_READ_BUFFER_SIZE);
PDU.HDR.para_total_len = sizeof(COM_Read_Buffer_Size_Format) - HCI_COMMAND_HDR_SIZE;
hci_send_cmd((uint8_t *)&PDU,sizeof(COM_Read_Buffer_Size_Format));
}
int hci_write_scan_enable(uint8_t scan_enable)
{
COM_Write_Scan_Enable_Format PDU;
PDU.HDR.opcode = cmd_opcode_pack(OGF_HOST_CTL,OCF_WRITE_SCAN_ENABLE);
PDU.HDR.para_total_len = sizeof(COM_Write_Scan_Enable_Format) - HCI_COMMAND_HDR_SIZE;
PDU.scan_enable = scan_enable;
hci_send_cmd((uint8_t *)&PDU,sizeof(COM_Write_Scan_Enable_Format));
}
int hci_read_bd_addr()
{
COM_Read_BD_ADDR_Format PDU;
PDU.HDR.opcode = cmd_opcode_pack(OGF_INFO_PARAM,OCF_READ_BD_ADDR);
PDU.HDR.para_total_len = sizeof(COM_Read_BD_ADDR_Format) - HCI_COMMAND_HDR_SIZE;
hci_send_cmd((uint8_t *)&PDU,sizeof(COM_Read_BD_ADDR_Format));
}
int hci_connect_req(uint8_t BD_ADDR[6],uint16_t pkt_type,uint8_t pscan_rep_mode,uint8_t allow_role_switch)
{
COM_Create_Connect_Format PDU;
PDU.HDR.opcode = cmd_opcode_pack(OGF_LINK_CTL,OCF_CREATE_CONN);
PDU.HDR.para_total_len = sizeof(COM_Create_Connect_Format) - HCI_COMMAND_HDR_SIZE;
memcpy(PDU.BD_ADDR,BD_ADDR,6);
PDU.pkt_type = pkt_type;
PDU.pscan_rep_mode = pscan_rep_mode;
PDU.reserved = 0;
PDU.clock_offset = 0;
PDU.role_switch = allow_role_switch;
hci_send_cmd((uint8_t *)&PDU,sizeof(COM_Create_Connect_Format));
}
int hci_disconnect(uint16_t con_handle,uint8_t reason)
{
COM_Disconnect_Format PDU;
PDU.HDR.opcode = cmd_opcode_pack(OGF_LINK_CTL,OCF_DISCONNECT);
PDU.HDR.para_total_len = sizeof(COM_Disconnect_Format) - HCI_COMMAND_HDR_SIZE;
PDU.con_handle = con_handle;
PDU.reason = reason;
hci_send_cmd((uint8_t *)&PDU,sizeof(COM_Disconnect_Format));
}
int hci_inquiry(uint8_t lap[3],uint8_t inquiry_time,uint8_t num_limit)
{
COM_Inquiay_Format PDU;
PDU.HDR.opcode = cmd_opcode_pack(OGF_LINK_CTL,OCF_INQUIRY);
PDU.HDR.para_total_len = sizeof(COM_Inquiay_Format) - HCI_COMMAND_HDR_SIZE;
memcpy(PDU.lap,lap,3);
PDU.inquiry_time = inquiry_time;
PDU.num_limit = num_limit;
hci_send_cmd((uint8_t *)&PDU,sizeof(COM_Inquiay_Format));
}
int hci_send_acl_data(uint16_t handle,uint8_t *acl_data,uint16_t acl_length)
{
}
int hci_send_cmd(uint8_t *PDU,uint32_t length)
{
int index = 0;
#if defined(TRANSPORT_UART)
uint8_t HCI_PDU[length+1];
HCI_PDU[0] = HCI_COMMAND_PKT;
memcpy(HCI_PDU+1,PDU,length);
BT_HCI_DEBUG((">> SEDN HCI COMMAND:"));
for(index = 0;index < length+1;index++)
{
BT_HCI_DEBUG(("0x%x ",HCI_PDU[index]));
}
BT_HCI_DEBUG(("\n"));
//NEED TO DO PASS THE DATA TO UART PORT
#elif defined(TRANSPORT_USB)
//TODO
#elif defined(TRANSPORT_SDIO)
//TODO
#endif
}
int hci_receive_pdu(uint8_t *PDU,uint32_t length)
{
#if defined(TRANSPORT_UART)
uint8_t pck_type = *PDU;
switch(pck_type)
{
case HCI_COMMAND_PKT:
{
BT_HCI_DEBUG(("<< COMMAND:"));
hci_parse_cmd(PDU+1,length-1);
break;
}
case HCI_ACLDATA_PKT:
{
BT_HCI_DEBUG(("<< ACL:"));
hci_parse_acl(PDU+1,length-1);
break;
}
case HCI_SCODATA_PKT:
{
BT_HCI_DEBUG(("<< SCO:"));
hci_parse_sco(PDU+1,length-1);
break;
}
case HCI_EVENT_PKT:
{
BT_HCI_DEBUG(("<< HCI_EVENT_PKT:"));
hci_parse_evt(PDU+1,length-1);
break;
}
default:
{
BT_HCI_DEBUG(("WARNING:UNKNOW PDU\n"));
break;
}
}
#elif defined(TRANSPORT_USB)
//TODO
#elif defined(TRANSPORT_SDIO)
//TODO
#endif
}
int hci_parse_cmd(uint8_t *PDU,uint32_t length)
{
HCI_Command_HDR_Format *COM_PDU = (HCI_Command_HDR_Format *)PDU;
}
int hci_parse_evt(uint8_t *PDU,uint32_t length)
{
HCI_Event_HDR_Format *EVT_PDU = (HCI_Event_HDR_Format *)PDU;
switch(EVT_PDU->evecode)
{
case EVT_CMD_COMPLETE:
{
BT_HCI_DEBUG(("EVT_CMD_COMPLETE "));
hci_parse_evt_complete(PDU,length);
break;
}
case EVT_CMD_STATUS:
{
BT_HCI_DEBUG(("EVT_CMD_STATUS \n"));
hci_parse_evt_cmd_status(PDU,length);
break;
}
case EVT_INQUIRY_RESULT:
{
BT_HCI_DEBUG(("EVT_INQUIRY_RESULT"));
hci_parse_evt_inquiry_result(PDU,length);
break;
}
case EVT_INQUIRY_COMPLETE:
{
BT_HCI_DEBUG(("EVT_INQUIRY_COMPLETE"));
hci_parse_evt_inquiry_complete(PDU,length);
break;
}
case EVT_CONN_COMPLETE:
{
BT_HCI_DEBUG(("EVT_CONN_COMPLETE"));
hci_parse_evt_connect_complete(PDU,length);
break;
}
case EVT_DISCONN_COMPLETE:
{
BT_HCI_DEBUG(("EVT_DISCONN_COMPLETE"));
hci_parse_evt_disconnect_complete(PDU,length);
break;
}
default:
{
int index = 0;
BT_HCI_DEBUG(("UNKNOW EVENT:"));
for(index = 0;index < length;index++)
{
BT_HCI_DEBUG(("0x%02x ",PDU[index]));
}
BT_HCI_DEBUG(("\n"));
break;
}
}
}
int hci_parse_acl(uint8_t *PDU,uint32_t length)
{
HCI_ACL_HDR_Format *ACL_PDU = (HCI_ACL_HDR_Format *)PDU;
}
int hci_parse_sco(uint8_t *PDU,uint32_t length)
{
HCI_SCO_HDR_Format *SCO_PDU = (HCI_SCO_HDR_Format *)PDU;
}
int hci_parse_evt_complete(uint8_t *PDU,uint32_t length)
{
EVT_Com_Complete_HDR_Format *EVT_PDU = (EVT_Com_Complete_HDR_Format*)PDU;
switch(cmd_opcode_ogf(EVT_PDU->opcode))
{
case OGF_LINK_CTL:
{
BT_HCI_DEBUG(("OGF_LINK_CTL\n"));
break;
}
case OGF_LINK_POLICY:
{
BT_HCI_DEBUG(("OGF_LINK_POLICY\n"));
break;
}
case OGF_HOST_CTL:
{
BT_HCI_DEBUG(("OGF_HOST_CTL\n"));
switch(cmd_opcode_ocf(EVT_PDU->opcode))
{
case OCF_RESET:
{
hci_parse_reset_rsp((uint8_t *)EVT_PDU+sizeof(EVT_Com_Complete_HDR_Format),length-sizeof(EVT_Com_Complete_HDR_Format));
break;
}
case OCF_WRITE_SCAN_ENABLE:
{
hci_parse_write_scan_enable_rsp((uint8_t *)EVT_PDU+sizeof(EVT_Com_Complete_HDR_Format),length-sizeof(EVT_Com_Complete_HDR_Format));
}
default:
{
break;
}
}
break;
}
case OGF_INFO_PARAM:
{
BT_HCI_DEBUG(("OGF_INFO_PARAM\n"));
switch(cmd_opcode_ocf(EVT_PDU->opcode))
{
case OCF_READ_BUFFER_SIZE:
{
hci_parse_read_buffer_size_rsp((uint8_t *)EVT_PDU+sizeof(EVT_Com_Complete_HDR_Format),length-sizeof(EVT_Com_Complete_HDR_Format));
break;
}
case OCF_READ_BD_ADDR:
{
hci_parse_read_BD_ADDR_rsp((uint8_t *)EVT_PDU+sizeof(EVT_Com_Complete_HDR_Format),length-sizeof(EVT_Com_Complete_HDR_Format));
}
default:
{
break;
}
}
break;
}
case OGF_STATUS_PARAM:
{
BT_HCI_DEBUG(("OGF_STATUS_PARAM\n"));
break;
}
case OGF_TESTING_CMD:
{
BT_HCI_DEBUG(("OGF_TESTING_CMD\n"));
break;
}
case OGF_VENDOR_CMD:
{
BT_HCI_DEBUG(("OGF_VENDOR_CMD\n"));
break;
}
default:
{
break;
}
}
}
int hci_parse_evt_cmd_status(uint8_t *PDU,uint32_t length)
{
EVT_CMD_Status_Format *EVT_PDU = (EVT_CMD_Status_Format*)PDU;
}
int hci_parse_evt_inquiry_result(uint8_t *PDU,uint32_t length)
{
int index = 0;
EVT_CMD_Inquiry_result_Format *EVT_PDU = (EVT_CMD_Inquiry_result_Format*)PDU;
BT_HCI_DEBUG(("Inquiry rep num %d\n",EVT_PDU->ncmd));
BT_HCI_DEBUG(("Inquiry ADDR:"));
for(index = 0;index < 6;index++)
{
BT_HCI_DEBUG(("0x%02x ",EVT_PDU->bdaddr[index]));
}
BT_HCI_DEBUG(("\n"));
BT_HCI_DEBUG(("Inquiry page_scan_mode %d\n",EVT_PDU->page_scan_mode));
BT_HCI_DEBUG(("Inquiry COD:"));
for(index = 0;index < 3;index++)
{
BT_HCI_DEBUG(("0x%02x ",EVT_PDU->dev_class[index]));
}
BT_HCI_DEBUG(("\n"));
BT_HCI_DEBUG(("Inquiry clock_offset %d\n",EVT_PDU->clock_offset));
}
int hci_parse_evt_inquiry_complete(uint8_t *PDU,uint32_t length)
{
EVT_CMD_Inquiry_complete_Format *EVT_PDU = (EVT_CMD_Inquiry_complete_Format *)PDU;
BT_HCI_DEBUG(("status is %d\n",EVT_PDU->status));
}
int hci_parse_evt_connect_complete(uint8_t *PDU,uint32_t length)
{
EVT_CMD_Connect_complete_Format *EVT_PDU = (EVT_CMD_Connect_complete_Format *)PDU;
BT_HCI_DEBUG(("status is %d\n",EVT_PDU->status));
BT_HCI_DEBUG(("con_handle is %d\n",EVT_PDU->con_handle));
BT_HCI_DEBUG(("link_type is %d\n",EVT_PDU->link_type));
}
int hci_parse_evt_disconnect_complete(uint8_t *PDU,uint32_t length)
{
EVT_CMD_Disconnect_complete_Format *EVT_PDU = (EVT_CMD_Disconnect_complete_Format *)PDU;
BT_HCI_DEBUG(("status is %d\n",EVT_PDU->status));
BT_HCI_DEBUG(("con_handle is %d\n",EVT_PDU->con_handle));
BT_HCI_DEBUG(("reason is %d\n",EVT_PDU->reason));
}
int hci_parse_reset_rsp(uint8_t *PDU,uint32_t length)
{
Reset_rsp_Format *RSP = (Reset_rsp_Format *)PDU;
BT_HCI_DEBUG(("status is %d\n",RSP->status));
}
int hci_parse_read_buffer_size_rsp(uint8_t *PDU,uint32_t length)
{
Read_Buffer_Size_rsp_Format *RSP = (Read_Buffer_Size_rsp_Format *)PDU;
BT_HCI_DEBUG(("status is %d\n",RSP->status));
BT_HCI_DEBUG(("acl_mtu is %d\n",RSP->acl_mtu));
BT_HCI_DEBUG(("sco_mtu is %d\n",RSP->sco_mtu));
BT_HCI_DEBUG(("acl_max_pkt is %d\n",RSP->acl_max_pkt));
BT_HCI_DEBUG(("sco_max_pkt is %d\n",RSP->sco_max_pkt));
}
int hci_parse_write_scan_enable_rsp(uint8_t *PDU,uint32_t length)
{
Write_Scan_Enable_rsp_Format *RSP = (Write_Scan_Enable_rsp_Format *)PDU;
BT_HCI_DEBUG(("status is %d\n",RSP->status));
}
int hci_parse_read_BD_ADDR_rsp(uint8_t *PDU,uint32_t length)
{
int index = 0;
Read_BD_ADDR_rsp_Format *RSP = (Read_BD_ADDR_rsp_Format *)PDU;
BT_HCI_DEBUG(("status is %d\n",RSP->status));
BT_HCI_DEBUG(("ADDR:"));
for(index = 0;index<6;index++)
{
BT_HCI_DEBUG(("0x%02x ",(RSP->BD_ADDR)[index]));
}
BT_HCI_DEBUG(("\n"));
}
bt_cfg.h
#ifndef BT_HCI_CFG_H
#define BT_HCI_CFG_H
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define DEBUG_BT_HCI
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
typedef unsigned long long uint64_t;
//typedef char int8_t;
typedef short int16_t;
typedef int int32_t;
typedef long long int64_t;
#undef NULL
#if defined(__cplusplus)
#define NULL 0
#else
#define NULL ((void *)0)
#endif
#endif
main.c
#include <stdio.h>
#include "bt_hci.h"
#include "memory_pool.h"
void HDR_PAR_UNPAR_Test()
{
uint16_t Reset_opcode_2 = 0x0c03;
uint16_t Read_Buffer_Size = 0x1005;
uint16_t acl_header = 0x204d;
uint16_t handle = 0x004d;
uint8_t flag = ACL_START;
printf("COMMAND HDR SIZE is %d\n",sizeof(HCI_Command_HDR_Format));
printf("EVENT HDR SIZE is %d\n",sizeof(HCI_Event_HDR_Format));
printf("ACL HDR SIZE is %d\n",sizeof(HCI_ACL_HDR_Format));
printf("SCO HDR SIZE is %d\n",sizeof(HCI_SCO_HDR_Format));
printf("OGF is %d\n",cmd_opcode_ogf(Read_Buffer_Size));
printf("OCF is %d\n",cmd_opcode_ocf(Read_Buffer_Size));
printf("Rset opcode is 0x%04x\n",cmd_opcode_pack(3,3));
printf("HANDLE is 0x%04x\n",acl_get_handle(acl_header));
printf("FLAG is %d\n",acl_get_flags(acl_header));
printf("ACL HDR is 0x%04x\n",acl_handle_pack(handle,flag));
}
int main()
{
BT_HCI_DEBUG(("HCI START\n"));
uint8_t BD_ADDR[6] = {0x1,0x1,0x1,0x1,0x1,0x1};
uint8_t inquiry_access[3] = {0x9e,0x8b,0x33};
uint8_t receive_reset_complete_evt[7] = {0x4,0xe,0x4,0x1,0x3,0xc,0x0};
uint8_t receive_read_buffer_size_complete_evt[14] = {0x4,0xe,0xb,0x1,0x5,0x10,0x0,0x80,0x01,0x40,0x04,0x00,0x08,0x00};
uint8_t receive_write_scan_enable_complete_evt[7] = {0x4,0xe,0x4,0x1,0x1a,0xc,0x0};
uint8_t receive_read_BD_ADDR_complete_evt[13] = {0x04,0x0e,0x0a,0x1,0x9,0x10,0x00,0x4e,0xa8,0x00,0x4e,0x49,0x4a};
uint8_t receive_cmd_status_evt_inquiry[7] = {0x4,0xf,0x4,0x0,0x1,0x1,0x4};
uint8_t receive_inquiry_result_evt[18] = {0x4,0x2,0xf,0x1,0x1,0x01,0x1,0x1,0x1,0x1,0x1,0x0,0x0,0x1,0x52,0x2e,0x0,0x0};
uint8_t receive_inquiry_complete_evt[4] = {0x4,0x1,0x1,0x0};
uint8_t receive_cmd_status_evt_connect[7] = {0x4,0xf,0x4,0x0,0x1,0x5,0x4};
uint8_t receive_create_connect_complete_evt[14] = {0x4,0x3,0xb,0x0,0x29,0x0,0x5f,0x21,0xa3,0x60,0x10,0x0,0x1,0x0};
uint8_t receive_cmd_status_evt_disconnect[7] = {0x4,0xf,0x4,0x0,0x1,0x6,0x4};
uint8_t receive_cmd_disconnect_complete_evt[7] = {0x4,0x5,0x4,0x0,0x29,0x0,0x16};
HDR_PAR_UNPAR_Test();
/*HCI TEST*/
hci_reset();
hci_receive_pdu(receive_reset_complete_evt,sizeof(receive_reset_complete_evt));
hci_read_buffer_size();
hci_receive_pdu(receive_read_buffer_size_complete_evt,sizeof(receive_read_buffer_size_complete_evt));
hci_write_scan_enable(SCAN_INQUIRY|SCAN_PAGE);
hci_receive_pdu(receive_write_scan_enable_complete_evt,sizeof(receive_write_scan_enable_complete_evt));
hci_read_bd_addr();
hci_receive_pdu(receive_read_BD_ADDR_complete_evt,sizeof(receive_read_BD_ADDR_complete_evt));
hci_inquiry(inquiry_access,6,1);
hci_receive_pdu(receive_cmd_status_evt_inquiry,sizeof(receive_cmd_status_evt_inquiry));
hci_receive_pdu(receive_inquiry_result_evt,sizeof(receive_inquiry_result_evt));
hci_receive_pdu(receive_inquiry_complete_evt,sizeof(receive_inquiry_complete_evt));
hci_connect_req(BD_ADDR,HCI_DM5|HCI_DH5|HCI_DM3|HCI_DH3|HCI_DH1|HCI_DM1,0,0);
hci_receive_pdu(receive_cmd_status_evt_connect,sizeof(receive_cmd_status_evt_connect));
hci_receive_pdu(receive_create_connect_complete_evt,sizeof(receive_create_connect_complete_evt));
hci_disconnect(0x0029,0x13);
hci_receive_pdu(receive_cmd_status_evt_disconnect,sizeof(receive_cmd_status_evt_disconnect));
hci_receive_pdu(receive_cmd_disconnect_complete_evt,sizeof(receive_cmd_disconnect_complete_evt));
}
makefile
objects = bt_hci.o main.o memory_pool.o
LMP : $(objects)
cc $(objects) -o HCI
main.o : main.c
bt_lmp.o : bt_hci.c bt_cfg.h bt_hci.h
memory_pool.o : memory_pool.h memory_pool.c
clean :
rm HCI $(objects)