aboutsummaryrefslogtreecommitdiffstats
path: root/api/direct_bt/HCIComm.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'api/direct_bt/HCIComm.hpp')
-rw-r--r--api/direct_bt/HCIComm.hpp173
1 files changed, 5 insertions, 168 deletions
diff --git a/api/direct_bt/HCIComm.hpp b/api/direct_bt/HCIComm.hpp
index 2f7d1800..514ea5ee 100644
--- a/api/direct_bt/HCIComm.hpp
+++ b/api/direct_bt/HCIComm.hpp
@@ -35,6 +35,7 @@
#include "BTTypes.hpp"
#include "BTIoctl.hpp"
#include "HCIIoctl.hpp"
+#include "HCITypes.hpp"
/**
* - - - - - - - - - - - - - - -
@@ -45,97 +46,6 @@
*/
namespace direct_bt {
- enum HCIDefaults : int {
- /** 3s poll timeout for HCI readout */
- HCI_TO_SEND_REQ_POLL_MS = 3000,
- /** 10s le connection timeout, supervising max is 32s (v5.2 Vol 4, Part E - 7.8.12) */
- HCI_LE_CONN_TIMEOUT_MS = 10000
- };
-
- enum HCI_Event_Types : uint8_t {
- LE_Advertising_Report = 0x3E
- };
-
- /**
- * BT Core Spec v5.2: Vol 1, Part F Controller Error Codes: 1.3 List of Error Codes
- * <p>
- * BT Core Spec v5.2: Vol 1, Part F Controller Error Codes: 2 Error code descriptions
- * </p>
- */
- enum class HCIErrorCode : uint8_t {
- SUCCESS = 0x00,
- UNKNOWN_HCI_COMMAND = 0x01,
- UNKNOWN_CONNECTION_IDENTIFIER = 0x02,
- HARDWARE_FAILURE = 0x03,
- PAGE_TIMEOUT = 0x04,
- AUTHENTICATION_FAILURE = 0x05,
- PIN_OR_KEY_MISSING = 0x06,
- MEMORY_CAPACITY_EXCEEDED = 0x07,
- CONNECTION_TIMEOUT = 0x08,
- CONNECTION_LIMIT_EXCEEDED = 0x09,
- SYNC_DEVICE_CONNECTION_LIMIT_EXCEEDED = 0x0a,
- CONNECTION_ALREADY_EXISTS = 0x0b,
- COMMAND_DISALLOWED = 0x0c,
- CONNECTION_REJECTED_LIMITED_RESOURCES = 0x0d,
- CONNECTION_REJECTED_SECURITY = 0x0e,
- CONNECTION_REJECTED_UNACCEPTABLE_BD_ADDR = 0x0f,
- CONNECTION_ACCEPT_TIMEOUT_EXCEEDED = 0x10,
- UNSUPPORTED_FEATURE_OR_PARAM_VALUE = 0x11,
- INVALID_HCI_COMMAND_PARAMETERS = 0x12,
- REMOTE_USER_TERMINATED_CONNECTION = 0x13,
- REMOTE_DEVICE_TERMINATED_CONNECTION_LOW_RESOURCES = 0x14,
- REMOTE_DEVICE_TERMINATED_CONNECTION_POWER_OFF = 0x15,
- CONNECTION_TERMINATED_BY_LOCAL_HOST = 0x16,
- REPEATED_ATTEMPTS = 0x17,
- PAIRING_NOT_ALLOWED = 0x18,
- UNKNOWN_LMP_PDU = 0x19,
- UNSUPPORTED_REMOTE_OR_LMP_FEATURE = 0x1a,
- SCO_OFFSET_REJECTED = 0x1b,
- SCO_INTERVAL_REJECTED = 0x1c,
- SCO_AIR_MODE_REJECTED = 0x1d,
- INVALID_LMP_OR_LL_PARAMETERS = 0x1e,
- UNSPECIFIED_ERROR = 0x1f,
- UNSUPPORTED_LMP_OR_LL_PARAMETER_VALUE = 0x20,
- ROLE_CHANGE_NOT_ALLOWED = 0x21,
- LMP_OR_LL_RESPONSE_TIMEOUT = 0x22,
- LMP_OR_LL_COLLISION = 0x23,
- LMP_PDU_NOT_ALLOWED = 0x24,
- ENCRYPTION_MODE_NOT_ACCEPTED = 0x25,
- LINK_KEY_CANNOT_BE_CHANGED = 0x26,
- REQUESTED_QOS_NOT_SUPPORTED = 0x27,
- INSTANT_PASSED = 0x28,
- PAIRING_WITH_UNIT_KEY_NOT_SUPPORTED = 0x29,
- DIFFERENT_TRANSACTION_COLLISION = 0x2a,
- QOS_UNACCEPTABLE_PARAMETER = 0x2c,
- QOS_REJECTED = 0x2d,
- CHANNEL_ASSESSMENT_NOT_SUPPORTED = 0x2e,
- INSUFFICIENT_SECURITY = 0x2f,
- PARAMETER_OUT_OF_RANGE = 0x30,
- ROLE_SWITCH_PENDING = 0x32,
- RESERVED_SLOT_VIOLATION = 0x34,
- ROLE_SWITCH_FAILED = 0x35,
- EIR_TOO_LARGE = 0x36,
- SIMPLE_PAIRING_NOT_SUPPORTED_BY_HOST = 0x37,
- HOST_BUSY_PAIRING = 0x38,
- CONNECTION_REJECTED_NO_SUITABLE_CHANNEL = 0x39,
- CONTROLLER_BUSY = 0x3a,
- UNACCEPTABLE_CONNECTION_PARAM = 0x3b,
- ADVERTISING_TIMEOUT = 0x3c,
- CONNECTION_TERMINATED_MIC_FAILURE = 0x3d,
- CONNECTION_EST_FAILED_OR_SYNC_TIMETOUT = 0x3e,
- MAX_CONNECTION_FAILED = 0x3f,
- COARSE_CLOCK_ADJ_REJECTED = 0x40,
- TYPE0_SUBMAP_NOT_DEFINED = 0x41,
- UNKNOWN_ADVERTISING_IDENTIFIER = 0x42,
- LIMIT_REACHED = 0x43,
- OPERATION_CANCELLED_BY_HOST = 0x44,
- PACKET_TOO_LONG = 0x45,
-
- INTERNAL_FAILURE = 0xfe,
- UNKNOWN = 0xff
- };
- std::string getHCIErrorCodeString(const HCIErrorCode ec);
-
class HCIComm {
private:
static int hci_open_dev(const uint16_t dev_id, const uint16_t channel);
@@ -146,30 +56,17 @@ namespace direct_bt {
const uint16_t dev_id;
const uint16_t channel;
int _dd; // the hci socket
- bool le_scanning;
-
- bool send_cmd(const uint16_t opcode, const void *command, const uint8_t command_len);
- HCIErrorCode send_req(const uint16_t opcode, const void *command, const uint8_t command_len,
- const uint16_t exp_event, void *response, const uint8_t response_len);
-
- bool le_set_scan_enable(const uint8_t enable, const uint8_t filter_dup);
- bool le_set_scan_parameters(const uint8_t type, const uint16_t interval,
- const uint16_t window, const uint8_t own_type,
- const uint8_t filter_policy);
public:
- HCIComm(const uint16_t dev_id, const uint16_t channel, const int timeoutMS=HCIDefaults::HCI_TO_SEND_REQ_POLL_MS)
- : timeoutMS(timeoutMS), dev_id(dev_id), channel(channel), _dd(-1), le_scanning(false) {
+ HCIComm(const uint16_t dev_id, const uint16_t channel, const int timeoutMS=number(HCIConstInt::TO_SEND_REQ_POLL_MS))
+ : timeoutMS(timeoutMS), dev_id(dev_id), channel(channel), _dd(-1) {
_dd = hci_open_dev(dev_id, channel);
}
/**
- * Releases this instance after {@link #le_disable_scan()} and {@link #close()}.
- * <p>
- * Since no connection handles are being stored, {@link #le_disconnect(..)} can't be issued.
- * </p>
+ * Releases this instance after issuing {@link #close()}.
*/
- ~HCIComm() { le_disable_scan(); close(); }
+ ~HCIComm() { close(); }
void close();
@@ -188,66 +85,6 @@ namespace direct_bt {
/** Generic write */
int write(const uint8_t* buffer, const int size);
- /**
- * Enable scanning for LE devices, i.e. starting discovery.
- * <p>
- * It is recommended to utilize the DBTManager manager channel for device discovery!
- * </p>
- */
- bool le_enable_scan(const HCIAddressType own_type=HCIAddressType::HCIADDR_LE_PUBLIC,
- const uint16_t interval=0x0004, const uint16_t window=0x0004);
- /**
- * Disable scanning for LE devices.
- * <p>
- * It is recommended to utilize the DBTManager manager channel to handle scanning!
- * </p>
- */
- void le_disable_scan();
-
- /**
- * Establish a connection to the given LE peer.
- * <p>
- * BT Core Spec v5.2: Vol 4, Part E HCI: 7.8.12 LE Create Connection command
- * </p>
- * <p>
- * Even if not utilizing a HCI channel, it has been observed that maintaining such
- * enhanced performance on subsequent communication, i.e. GATT over L2CAP.
- * </p>
- * <p>
- * Set window to the same value as the interval, enables continuous scanning.
- * </p>
- *
- * @param handle_return
- * @param peer_bdaddr
- * @param peer_mac_type
- * @param own_mac_type
- * @param le_scan_interval in units of 0.625ms, default value 48 for 30ms, min value 4 for 2.5ms -> 0x4000 for 10.24s
- * @param le_scan_window in units of 0.625ms, default value 48 for 30ms, min value 4 for 2.5ms -> 0x4000 for 10.24s. Shall be <= le_scan_interval
- * @param conn_interval_min in units of 1.25ms, default value 15 for 19.75ms
- * @param conn_interval_max in units of 1.25ms, default value 15 for 19.75ms
- * @param conn_latency slave latency in units of connection events, default value 0
- * @param supervision_timeout in units of 10ms, default value 1000 for 10000ms or 10s.
- * @return
- */
- HCIErrorCode le_create_conn(uint16_t * handle_return, const EUI48 &peer_bdaddr,
- const HCIAddressType peer_mac_type=HCIAddressType::HCIADDR_LE_PUBLIC,
- const HCIAddressType own_mac_type=HCIAddressType::HCIADDR_LE_PUBLIC,
- const uint16_t le_scan_interval=48, const uint16_t le_scan_window=48,
- const uint16_t conn_interval_min=0x000F, const uint16_t conn_interval_max=0x000F,
- const uint16_t conn_latency=0x0000, const uint16_t supervision_timeout=HCI_LE_CONN_TIMEOUT_MS/10);
-
- /**
- * Establish a connection to the given BREDR (non LE).
- */
- HCIErrorCode create_conn(uint16_t * handle_return, const EUI48 &bdaddr,
- const uint16_t pkt_type=HCI_DM1 | HCI_DM3 | HCI_DM5 | HCI_DH1 | HCI_DH3 | HCI_DH5,
- const uint16_t clock_offset=0x0000, const uint8_t role_switch=0x01);
-
- /**
- * Disconnect an established connection.
- */
- bool disconnect(const uint16_t conn_handle, const HCIErrorCode reason=HCIErrorCode::REMOTE_USER_TERMINATED_CONNECTION);
-
private:
static inline void set_bit(int nr, void *addr)
{
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 16:01:50 +0000