455 lines
14 KiB
C
455 lines
14 KiB
C
#ifndef HCI_INT_H_
|
|
#define HCI_INT_H_
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @addtogroup HCI Host Controller Interface
|
|
*@{
|
|
****************************************************************************************
|
|
*/
|
|
|
|
/*
|
|
* INCLUDE FILES
|
|
****************************************************************************************
|
|
*/
|
|
|
|
#include "rwip_config.h" // SW configuration
|
|
|
|
#if (HCI_PRESENT)
|
|
|
|
#include <stddef.h> // standard definition
|
|
#include <stdint.h> // standard integer
|
|
#include "co_bt.h" // BT standard definitions
|
|
|
|
#include "hci_ble.h"
|
|
#include "ke_msg.h" // Kernel message definitions
|
|
|
|
/*
|
|
* DEFINES
|
|
****************************************************************************************
|
|
*/
|
|
|
|
/// Macro to get OCF of a known command
|
|
#define OCF(cmd) (HCI_OP2OCF(HCI_##cmd##_CMD_OPCODE))
|
|
|
|
/// Unknown opcode identifier
|
|
#define HCI_OPCODE_UNKNOWN 0xFFFF
|
|
|
|
/**
|
|
* Destination field decoding
|
|
*
|
|
* bit | 7 6 | 5 4 | 3..0 |
|
|
* def | Rsvd (pkupk) | HL | LL |
|
|
*/
|
|
#define HCI_CMD_DEST_LL_POS 0
|
|
#define HCI_CMD_DEST_LL_MASK 0x0F
|
|
#define HCI_CMD_DEST_HL_POS 4
|
|
#define HCI_CMD_DEST_HL_MASK 0x30
|
|
|
|
/**
|
|
* Destination field decoding
|
|
*
|
|
* bit | 7..2 | 1 0 |
|
|
* def | Rsvd | HL |
|
|
*/
|
|
#define HCI_EVT_DEST_HL_POS 0
|
|
#define HCI_EVT_DEST_HL_MASK 0x03
|
|
|
|
#if (HCI_TL_SUPPORT)
|
|
|
|
/// Special Pack-Unpack settings for HCI commands (parameters and return parameters)
|
|
/**
|
|
* Special Pack-Unpack settings for HCI commands (parameters and return parameters)
|
|
*
|
|
* bit | 7 | 6 | 5..0 |
|
|
* def | RET PAR | PAR | Rsvd |
|
|
*/
|
|
#define HCI_CMD_DEST_SPEC_PAR_PK_POS 6
|
|
#define HCI_CMD_DEST_SPEC_PAR_PK_MSK 0x40
|
|
#define HCI_CMD_DEST_SPEC_RET_PAR_PK_POS 7
|
|
#define HCI_CMD_DEST_SPEC_RET_PAR_PK_MSK 0x80
|
|
#define PK_GEN_GEN (0x00)
|
|
#define PK_GEN_SPE (HCI_CMD_DEST_SPEC_RET_PAR_PK_MSK)
|
|
#define PK_SPE_GEN (HCI_CMD_DEST_SPEC_PAR_PK_MSK)
|
|
#define PK_SPE_SPE (HCI_CMD_DEST_SPEC_RET_PAR_PK_MSK | HCI_CMD_DEST_SPEC_PAR_PK_MSK)
|
|
|
|
/// Special Pack settings for HCI events
|
|
#define PK_GEN 0x00
|
|
#define PK_SPE 0x01
|
|
|
|
/// Macro for building a command descriptor in split mode (with parameters packing/unpacking)
|
|
#define CMD(opcode, dest_ll, dest_hl, pkupk, par_size_max, par_fmt, ret_fmt) {HCI_##opcode##_CMD_OPCODE, (dest_ll<<HCI_CMD_DEST_LL_POS) | (dest_hl<<HCI_CMD_DEST_HL_POS) | pkupk, par_size_max, (void*)par_fmt, (void*)ret_fmt}
|
|
/// Macro for building an event descriptor in split mode (with parameters packing/unpacking)
|
|
#define EVT(code, dest_hl, pkupk, par_fmt) {HCI_##code##_EVT_CODE, (dest_hl<<HCI_EVT_DEST_HL_POS), pkupk, (void*)par_fmt}
|
|
/// Macro for building an event descriptor in split mode (with parameters packing/unpacking)
|
|
#define LE_EVT(subcode, dest_hl, pkupk, par_fmt) {HCI_##subcode##_EVT_SUBCODE, (dest_hl<<HCI_EVT_DEST_HL_POS), pkupk, (void*)par_fmt}
|
|
/// Macro for building an event descriptor in split mode (with parameters packing/unpacking)
|
|
#define DBG_EVT(subcode, dest_hl, pkupk, par_fmt) {HCI_##subcode##_EVT_SUBCODE, (dest_hl<<HCI_EVT_DEST_HL_POS), pkupk, (void*)par_fmt}
|
|
|
|
#else //(HCI_TL_SUPPORT)
|
|
|
|
/// Macro for building a command descriptor in full mode (without parameters packing/unpacking)
|
|
#define CMD(opcode, dest_ll, dest_hl, pkupk, par_size_max, par_fmt, ret_fmt) {HCI_##opcode##_CMD_OPCODE, (dest_ll<<HCI_CMD_DEST_LL_POS) | (dest_hl<<HCI_CMD_DEST_HL_POS)}
|
|
/// Macro for building an event descriptor in full mode (without parameters packing/unpacking)
|
|
#define EVT(code, dest_hl, pkupk, par_fmt) {HCI_##code##_EVT_CODE, (dest_hl<<HCI_EVT_DEST_HL_POS)}
|
|
/// Macro for building an event descriptor in full mode (without parameters packing/unpacking)
|
|
#define LE_EVT(subcode, dest_hl, pkupk, par_fmt) {HCI_##subcode##_EVT_SUBCODE, (dest_hl<<HCI_EVT_DEST_HL_POS)}
|
|
/// Macro for building an event descriptor in full mode (without parameters packing/unpacking)
|
|
#define DBG_EVT(subcode, dest_hl, pkupk, par_fmt) {HCI_##subcode##_EVT_SUBCODE, (dest_hl<<HCI_EVT_DEST_HL_POS)}
|
|
|
|
#endif //(HCI_TL_SUPPORT)
|
|
|
|
/*
|
|
* ENUMERATIONS DEFINITIONS
|
|
****************************************************************************************
|
|
*/
|
|
|
|
/// Possible destination field values within lower layers
|
|
enum HCI_MSG_DEST_LL
|
|
{
|
|
MNG,
|
|
CTRL,
|
|
BLE_MNG,
|
|
BLE_CTRL,
|
|
BT_MNG,
|
|
BT_CTRL_CONHDL,
|
|
BT_CTRL_BD_ADDR,
|
|
BT_BCST,
|
|
DBG,
|
|
LL_UNDEF,
|
|
};
|
|
|
|
/// Possible destination field values within higher layers
|
|
enum HCI_MSG_DEST_HL
|
|
{
|
|
HL_MNG,
|
|
HL_CTRL,
|
|
HL_DATA,
|
|
HL_UNDEF,
|
|
};
|
|
|
|
#if (HCI_TL_SUPPORT)
|
|
/// Status returned by generic packer-unpacker
|
|
enum HCI_PACK_STATUS
|
|
{
|
|
HCI_PACK_OK,
|
|
HCI_PACK_IN_BUF_OVFLW,
|
|
HCI_PACK_OUT_BUF_OVFLW,
|
|
HCI_PACK_WRONG_FORMAT,
|
|
HCI_PACK_ERROR,
|
|
};
|
|
#endif //(HCI_TL_SUPPORT)
|
|
|
|
#if (BT_EMB_PRESENT)
|
|
/// Status of BT ACL connection at HCI level
|
|
enum HCI_BT_ACL_CON_STATUS
|
|
{
|
|
/// ACL link not active
|
|
HCI_BT_ACL_STATUS_NOT_ACTIVE,
|
|
/// ACL link ID associated with BD address
|
|
HCI_BT_ACL_STATUS_BD_ADDR,
|
|
/// ACL link ID associated with BD address + connection handle
|
|
HCI_BT_ACL_STATUS_BD_ADDR_CONHDL,
|
|
};
|
|
#endif //(BT_EMB_PRESENT)
|
|
|
|
|
|
/*
|
|
* STRUCTURES DEFINITIONS
|
|
****************************************************************************************
|
|
*/
|
|
|
|
/// HCI command descriptor structure
|
|
struct hci_cmd_desc_tab_ref
|
|
{
|
|
/// OpCode Group Field (OGF)
|
|
uint8_t ogf;
|
|
|
|
/// Number of commands supported in this group
|
|
uint16_t nb_cmds;
|
|
|
|
/// Command descriptor table
|
|
const struct hci_cmd_desc_tag* cmd_desc_tab;
|
|
};
|
|
|
|
/// HCI command descriptor structure
|
|
struct hci_cmd_desc_tag
|
|
{
|
|
/// Command opcode with flags indicating if a special packing or unpacking is needed
|
|
uint16_t opcode;
|
|
|
|
/// Destination field (used to find the internal destination task)
|
|
uint8_t dest_field;
|
|
|
|
#if (HCI_TL_SUPPORT)
|
|
/// Maximum size of the parameters
|
|
uint8_t par_size_max;
|
|
|
|
/// Parameters format string (or special unpacker)
|
|
void* par_fmt;
|
|
|
|
/// Return parameters format string (or special unpacker)
|
|
void* ret_par_fmt;
|
|
#endif //(HCI_TL_SUPPORT)
|
|
};
|
|
|
|
/// HCI event descriptor structure
|
|
struct hci_evt_desc_tag
|
|
{
|
|
/// Event opcode
|
|
uint8_t code;
|
|
|
|
/// Destination field (used to find the internal destination task)
|
|
uint8_t dest_field;
|
|
|
|
#if (HCI_TL_SUPPORT)
|
|
/// Flag indicating if a special packing is needed
|
|
uint8_t special_pack;
|
|
|
|
/// Parameters format string (or special unpacker)
|
|
void* par_fmt;
|
|
#endif //(HCI_TL_SUPPORT)
|
|
};
|
|
|
|
#if (HCI_TL_SUPPORT)
|
|
/// HCI pack/unpack function pointer type definition
|
|
typedef uint16_t (*hci_pkupk_func_t)(uint8_t *out, uint8_t *in, uint16_t* out_len, uint16_t in_len);
|
|
#endif //(HCI_TL_SUPPORT)
|
|
|
|
#if (BT_EMB_PRESENT)
|
|
/// HCI Environment context structure
|
|
struct hci_bt_acl_con_tag
|
|
{
|
|
/**
|
|
* BT ACL connection status
|
|
* - 0x00: Not active
|
|
* - 0x01: link ID associated with BD address
|
|
* - 0x02: link ID associated with BD address + connection handle
|
|
*/
|
|
uint8_t state;
|
|
|
|
/// BD address associated with link ID
|
|
struct bd_addr bd_addr;
|
|
};
|
|
|
|
/// Condition based on class of device
|
|
struct classofdevcondition
|
|
{
|
|
/// Class of device
|
|
struct devclass classofdev;
|
|
/// Device mask
|
|
struct devclass class_mask;
|
|
};
|
|
|
|
/// Condition based on device class
|
|
union cond
|
|
{
|
|
/// Device class
|
|
struct classofdevcondition device_class;
|
|
/// BD address
|
|
struct bd_addr bdaddr;
|
|
};
|
|
|
|
/// Event Filter Record
|
|
struct hci_evt_filter_tag
|
|
{
|
|
bool in_use;
|
|
uint8_t type;
|
|
uint8_t condition;
|
|
uint8_t auto_accept;
|
|
union cond param;
|
|
};
|
|
#elif (BLE_HOST_PRESENT && !BLE_EMB_PRESENT)
|
|
/// HCI Environment context structure
|
|
struct hci_ble_acl_con_tag
|
|
{
|
|
/// Code
|
|
uint8_t code;
|
|
};
|
|
|
|
#endif //(BT_EMB_PRESENT || (BLE_HOST_PRESENT && !BLE_EMB_PRESENT))
|
|
|
|
/// HCI Environment context structure
|
|
struct hci_env_tag
|
|
{
|
|
/// Event mask
|
|
struct evt_mask evt_msk;
|
|
|
|
/// Event mask page 2
|
|
struct evt_mask evt_msk_page_2;
|
|
|
|
#if (BLE_EMB_PRESENT)
|
|
/// LE Event mask
|
|
struct evt_mask le_evt_msk;
|
|
#endif // (BLE_EMB_PRESENT)
|
|
#if (BLE_EMB_PRESENT && HCI_BLE_CON_SUPPORT)
|
|
/// Link association table for BLE link-oriented messages routing
|
|
bool ble_con_state[BLE_CONNECTION_MAX];
|
|
#endif //(BLE_EMB_PRESENT && !BLE_HOST_PRESENT && HCI_BLE_CON_SUPPORT)
|
|
|
|
#if (BT_EMB_PRESENT)
|
|
/// Link association table for BT link-oriented messages routing
|
|
struct hci_bt_acl_con_tag bt_acl_con_tab[MAX_NB_ACTIVE_ACL];
|
|
|
|
/// Event filters
|
|
struct hci_evt_filter_tag evt_filter[HCI_FILTER_NB];
|
|
|
|
/**
|
|
* Current auto-accept command opcode, used to filter the associated CS event
|
|
* Note: assume that there would be 1 auto accept command at the same time
|
|
* Note: could be HCI_Accept_Con, HCI_Accept_sync_Con
|
|
*/
|
|
uint16_t auto_accept_opcode;
|
|
|
|
#if (MAX_NB_SYNC > 0)
|
|
/**
|
|
* Voice settings used when SCO connection is auto-accepted
|
|
*/
|
|
uint16_t voice_settings;
|
|
#endif //(MAX_NB_SYNC > 0)
|
|
|
|
/**
|
|
* Auto-reject flag, used to filter the complete event when a request has been auto-rejected
|
|
*/
|
|
bool auto_reject;
|
|
|
|
#elif (BLE_HOST_PRESENT && !BLE_EMB_PRESENT && (BLE_CENTRAL || BLE_PERIPHERAL))
|
|
/// Link association table for BLE link-oriented messages routing
|
|
struct hci_ble_acl_con_tag ble_acl_con_tab[BLE_CONNECTION_MAX];
|
|
|
|
#endif //(BT_EMB_PRESENT)
|
|
};
|
|
|
|
/*
|
|
* GLOBAL VARIABLE DECLARATIONS
|
|
****************************************************************************************
|
|
*/
|
|
|
|
#if BLE_HOST_PRESENT
|
|
extern const uint8_t hl_task_type[];
|
|
#endif //BLE_HOST_PRESENT
|
|
|
|
///HCI environment context
|
|
extern struct hci_env_tag hci_env;
|
|
|
|
|
|
/*
|
|
* FUNCTION DECLARATIONS
|
|
****************************************************************************************
|
|
*/
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Look for a command descriptor that could match with the specified opcode
|
|
*
|
|
* @param[in] opcode Command opcode
|
|
*
|
|
* @return Pointer the command descriptor (NULL if not found)
|
|
*****************************************************************************************
|
|
*/
|
|
const struct hci_cmd_desc_tag* hci_look_for_cmd_desc(uint16_t opcode);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Look for an event descriptor that could match with the specified event code
|
|
*
|
|
* @param[in] code event code
|
|
*
|
|
* @return Pointer the event descriptor (NULL if not found)
|
|
*****************************************************************************************
|
|
*/
|
|
const struct hci_evt_desc_tag* hci_look_for_evt_desc(uint8_t code);
|
|
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Look for an event descriptor that could match with the specified DBG subcode
|
|
*
|
|
* @param[in] subcode DBG event subcode
|
|
*
|
|
* @return Pointer the event descriptor (NULL if not found)
|
|
*****************************************************************************************
|
|
*/
|
|
const struct hci_evt_desc_tag* hci_look_for_dbg_evt_desc(uint8_t subcode);
|
|
|
|
#if (BLE_EMB_PRESENT || BLE_HOST_PRESENT)
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Look for an event descriptor that could match with the specified LE subcode
|
|
*
|
|
* @param[in] subcode LE event subcode
|
|
*
|
|
* @return Pointer the event descriptor (NULL if not found)
|
|
*****************************************************************************************
|
|
*/
|
|
const struct hci_evt_desc_tag* hci_look_for_le_evt_desc(uint8_t subcode);
|
|
|
|
#endif //(BLE_EMB_PRESENT || BLE_HOST_PRESENT)
|
|
|
|
#if (HCI_TL_SUPPORT)
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Initialize HIC TL part
|
|
*****************************************************************************************
|
|
*/
|
|
void hci_tl_init(bool reset);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Send an HCI message over TL
|
|
*
|
|
* @param[in] msg Kernel message carrying the HCI message
|
|
*****************************************************************************************
|
|
*/
|
|
void hci_tl_send(struct ke_msg *msg);
|
|
#endif //(HCI_TL_SUPPORT)
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Initialize Flow Control Structure
|
|
*
|
|
*****************************************************************************************
|
|
*/
|
|
void hci_fc_init(void);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief count ACL packets sent to Host
|
|
*
|
|
*****************************************************************************************
|
|
*/
|
|
void hci_fc_acl_packet_sent(void);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief count SCO packets sent to Host
|
|
*
|
|
*****************************************************************************************
|
|
*/
|
|
void hci_fc_sync_packet_sent(void);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Calculate number of ACL packets slots available on Host side
|
|
*
|
|
* @return number of packets available
|
|
*****************************************************************************************
|
|
*/
|
|
uint16_t hci_fc_check_host_available_nb_acl_packets(void);
|
|
|
|
/**
|
|
****************************************************************************************
|
|
* @brief Calculate number of SCO packets slots available on Host side
|
|
*
|
|
* @return number of packets available
|
|
*****************************************************************************************
|
|
*/
|
|
uint16_t hci_fc_check_host_available_nb_sync_packets(void);
|
|
|
|
|
|
#endif //HCI_PRESENT
|
|
|
|
/// @} HCI
|
|
|
|
#endif // HCI_INT_H_
|