蓝牙HCI剖析（三）
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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：
蓝牙LMP剖析（一）
蓝牙LMP剖析（二）
HCI剖析 + 模拟源码：
蓝牙HCI剖析（一）
蓝牙HCI剖析（二）
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);#endifbt_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 main.c
#include makefile
objects = bt_hci.o main.o memory_pool.oLMP : $(objects) cc $(objects) -o HCImain.o : main.c bt_lmp.o : bt_hci.c bt_cfg.h bt_hci.hmemory_pool.o : memory_pool.h memory_pool.c clean : rm HCI $(objects)给我老师的人工智能教程打call！http://blog.csdn.net/jiangjunshow
