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446 lines
16 KiB
C
446 lines
16 KiB
C
/**
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* @file btdev.h
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* @brief Wrapper around the bt/btmu services for using bluetooth BLE.
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* @note Only available on [5.0.0+].
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* @note See also: https://switchbrew.org/wiki/BTM_services
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* @author yellows8
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* @copyright libnx Authors
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*/
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#pragma once
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#include "../types.h"
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#include "../kernel/event.h"
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#include "../services/btdrv_types.h"
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/// GattAttribute
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typedef struct {
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u8 type; ///< Type
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BtdrvGattAttributeUuid uuid; ///< \ref BtdrvGattAttributeUuid
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u16 handle; ///< Handle
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u32 connection_handle; ///< ConnectionHandle
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} BtdevGattAttribute;
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/// GattService
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typedef struct {
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BtdevGattAttribute attr; ///< \ref BtdevGattAttribute
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u16 instance_id; ///< InstanceId
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u16 end_group_handle; ///< EndGroupHandle
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bool primary_service; ///< PrimaryService
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} BtdevGattService;
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/// GattCharacteristic
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typedef struct {
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BtdevGattAttribute attr; ///< \ref BtdevGattAttribute
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u16 instance_id; ///< InstanceId
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u8 properties; ///< Properties
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u64 value_size; ///< Size of value.
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u8 value[0x200]; ///< Value
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} BtdevGattCharacteristic;
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/// GattDescriptor
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typedef struct {
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BtdevGattAttribute attr; ///< \ref BtdevGattAttribute
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u64 value_size; ///< Size of value.
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u8 value[0x200]; ///< Value
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} BtdevGattDescriptor;
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/// Initialize bt/btmu.
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Result btdevInitialize(void);
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/// Exit bt/btmu.
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void btdevExit(void);
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/// Compares two \ref BtdrvGattAttributeUuid, returning whether these match.
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bool btdevGattAttributeUuidIsSame(const BtdrvGattAttributeUuid *a, const BtdrvGattAttributeUuid *b);
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/// Wrapper for \ref btmuAcquireBleScanEvent.
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Result btdevAcquireBleScanEvent(Event* out_event);
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/// Wrapper for \ref btmuGetBleScanFilterParameter.
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Result btdevGetBleScanParameter(u16 parameter_id, BtdrvBleAdvertisePacketParameter *out);
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/// Wrapper for \ref btmuGetBleScanFilterParameter2.
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Result btdevGetBleScanParameter2(u16 parameter_id, BtdrvGattAttributeUuid *out);
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/// Wrapper for \ref btdevStartBleScanGeneral.
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Result btdevStartBleScanGeneral(BtdrvBleAdvertisePacketParameter param);
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/// Wrapper for \ref btmuStopBleScanForGeneral.
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Result btdevStopBleScanGeneral(void);
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/**
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* @brief Wrapper for \ref btmuGetBleScanResultsForGeneral and \ref btmuGetBleScanResultsForSmartDevice.
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* @param[out] results Output array of \ref BtdrvBleScanResult.
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* @param[in] count Size of the results array in entries.
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* @param[out] total_out Total output entries.
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*/
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Result btdevGetBleScanResult(BtdrvBleScanResult *results, u8 count, u8 *total_out);
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/// Wrapper for \ref btmuStartBleScanForPaired.
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Result btdevEnableBleAutoConnection(BtdrvBleAdvertisePacketParameter param);
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/// Wrapper for \ref btmuStopBleScanForPaired.
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Result btdevDisableBleAutoConnection(void);
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/// Wrapper for \ref btmuStartBleScanForSmartDevice.
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Result btdevStartBleScanSmartDevice(const BtdrvGattAttributeUuid *uuid);
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/// Wrapper for \ref btmuStopBleScanForSmartDevice.
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Result btdevStopBleScanSmartDevice(void);
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/// Wrapper for \ref btmuAcquireBleConnectionEvent.
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Result btdevAcquireBleConnectionStateChangedEvent(Event* out_event);
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/// Wrapper for \ref btmuBleConnect.
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Result btdevConnectToGattServer(BtdrvAddress addr);
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/// Wrapper for \ref btmuBleDisconnect.
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Result btdevDisconnectFromGattServer(u32 connection_handle);
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/// Wrapper for \ref btmuBleGetConnectionState.
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Result btdevGetBleConnectionInfoList(BtdrvBleConnectionInfo *info, u8 count, u8 *total_out);
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/// Wrapper for \ref btmuAcquireBleServiceDiscoveryEvent.
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Result btdevAcquireBleServiceDiscoveryEvent(Event* out_event);
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/**
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* @brief Wrapper for \ref btmuGetGattServices.
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* @param[in] connection_handle ConnectionHandle
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* @param[out] services Output array of \ref BtdevGattService.
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* @param[in] count Size of the services array in entries. The max is 100.
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* @param[out] total_out Total output entries.
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*/
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Result btdevGetGattServices(u32 connection_handle, BtdevGattService *services, u8 count, u8 *total_out);
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/**
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* @brief Wrapper for \ref btmuGetGattService.
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* @param[in] connection_handle ConnectionHandle
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* @param[in] uuid \ref BtdrvGattAttributeUuid
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* @param[out] service \ref BtdevGattService
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* @param[out] flag Whether a \ref BtdevGattService was returned.
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*/
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Result btdevGetGattService(u32 connection_handle, const BtdrvGattAttributeUuid *uuid, BtdevGattService *service, bool *flag);
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/// Wrapper for \ref btmuAcquireBlePairingEvent.
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Result btdevAcquireBlePairingEvent(Event* out_event);
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/// Wrapper for \ref btmuBlePairDevice.
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Result btdevPairGattServer(u32 connection_handle, BtdrvBleAdvertisePacketParameter param);
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/// Wrapper for \ref btmuBleUnPairDevice.
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Result btdevUnpairGattServer(u32 connection_handle, BtdrvBleAdvertisePacketParameter param);
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/// Wrapper for \ref btmuBleUnPairDevice2.
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Result btdevUnpairGattServer2(BtdrvAddress addr, BtdrvBleAdvertisePacketParameter param);
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/// Wrapper for \ref btmuBleGetPairedDevices.
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Result btdevGetPairedGattServerAddress(BtdrvBleAdvertisePacketParameter param, BtdrvAddress *addrs, u8 count, u8 *total_out);
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/// Wrapper for \ref btmuAcquireBleMtuConfigEvent.
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Result btdevAcquireBleMtuConfigEvent(Event* out_event);
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/**
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* @brief Wrapper for \ref btmuConfigureBleMtu.
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* @param[in] connection_handle Same as \ref btmuBleDisconnect.
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* @param[in] mtu MTU, must be 0x18-0x200.
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*/
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Result btdevConfigureBleMtu(u32 connection_handle, u16 mtu);
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/// Wrapper for \ref btmuGetBleMtu.
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Result btdevGetBleMtu(u32 connection_handle, u16 *out);
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/// Wrapper for \ref btRegisterBleEvent.
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Result btdevAcquireBleGattOperationEvent(Event* out_event);
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/**
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* @brief Wrapper for \ref btmuRegisterBleGattDataPath.
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* @param[in] uuid \ref BtdrvGattAttributeUuid
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*/
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Result btdevRegisterGattOperationNotification(const BtdrvGattAttributeUuid *uuid);
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/**
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* @brief Wrapper for \ref btmuUnregisterBleGattDataPath.
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* @param[in] uuid \ref BtdrvGattAttributeUuid
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*/
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Result btdevUnregisterGattOperationNotification(const BtdrvGattAttributeUuid *uuid);
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/**
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* @brief Wrapper for \ref btGetLeEventInfo.
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* @param[out] out \ref BtdrvBleClientGattOperationInfo
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*/
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Result btdevGetGattOperationResult(BtdrvBleClientGattOperationInfo *out);
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/**
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* @brief Wrapper for \ref btLeClientReadCharacteristic.
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* @note An error is thrown if the properties from \ref btdevGattCharacteristicGetProperties don't allow using this.
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* @param c \ref BtdevGattCharacteristic
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*/
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Result btdevReadGattCharacteristic(BtdevGattCharacteristic *c);
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/**
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* @brief Wrapper for \ref btLeClientWriteCharacteristic.
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* @note An error is thrown if the properties from \ref btdevGattCharacteristicGetProperties don't allow using this.
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* @note This uses the Value from \ref btdevGattCharacteristicSetValue.
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* @param c \ref BtdevGattCharacteristic
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*/
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Result btdevWriteGattCharacteristic(BtdevGattCharacteristic *c);
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/**
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* @brief Wrapper for \ref btLeClientRegisterNotification / \ref btLeClientDeregisterNotification.
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* @note An error is thrown if the properties from \ref btdevGattCharacteristicGetProperties don't allow using this.
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* @param c \ref BtdevGattCharacteristic
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* @param[in] flag Whether to enable/disable, controls which func to call.
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*/
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Result btdevEnableGattCharacteristicNotification(BtdevGattCharacteristic *c, bool flag);
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/**
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* @brief Wrapper for \ref btLeClientReadDescriptor.
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* @param d \ref BtdevGattDescriptor
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*/
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Result btdevReadGattDescriptor(BtdevGattDescriptor *d);
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/**
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* @brief Wrapper for \ref btLeClientWriteDescriptor.
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* @note This uses the Value from \ref btdevGattDescriptorSetValue.
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* @param d \ref BtdevGattDescriptor
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*/
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Result btdevWriteGattDescriptor(BtdevGattDescriptor *d);
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///@name GattAttribute
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///@{
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/**
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* @brief Creates a \ref BtdevGattAttribute object. This is intended for internal use.
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* @param a \ref BtdevGattAttribute
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* @param[in] uuid \ref BtdrvGattAttributeUuid
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* @param[in] handle Handle
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* @param[in] connection_handle ConnectionHandle
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*/
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void btdevGattAttributeCreate(BtdevGattAttribute *a, const BtdrvGattAttributeUuid *uuid, u16 handle, u32 connection_handle);
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/**
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* @brief Gets the Type.
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* @param a \ref BtdevGattAttribute
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*/
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NX_CONSTEXPR u8 btdevGattAttributeGetType(BtdevGattAttribute *a) {
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return a->type;
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}
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/**
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* @brief Gets the Uuid.
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* @param a \ref BtdevGattAttribute
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* @param[out] out \ref BtdrvGattAttributeUuid
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*/
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NX_CONSTEXPR void btdevGattAttributeGetUuid(BtdevGattAttribute *a, BtdrvGattAttributeUuid *out) {
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*out = a->uuid;
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}
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/**
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* @brief Gets the Handle.
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* @param a \ref BtdevGattAttribute
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*/
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NX_CONSTEXPR u16 btdevGattAttributeGetHandle(BtdevGattAttribute *a) {
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return a->handle;
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}
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/**
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* @brief Gets the ConnectionHandle.
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* @param a \ref BtdevGattAttribute
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*/
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NX_CONSTEXPR u32 btdevGattAttributeGetConnectionHandle(BtdevGattAttribute *a) {
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return a->connection_handle;
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}
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///@}
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///@name GattService
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///@{
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/**
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* @brief Creates a \ref BtdevGattService object. This is intended for internal use.
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* @param s \ref BtdevGattService
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* @param[in] uuid \ref BtdrvGattAttributeUuid
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* @param[in] handle Handle
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* @param[in] connection_handle ConnectionHandle
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* @param[in] instance_id InstanceId
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* @param[in] end_group_handle EndGroupHandle
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* @param[in] primary_service PrimaryService
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*/
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void btdevGattServiceCreate(BtdevGattService *s, const BtdrvGattAttributeUuid *uuid, u16 handle, u32 connection_handle, u16 instance_id, u16 end_group_handle, bool primary_service);
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/**
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* @brief Gets the InstanceId.
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* @param s \ref BtdevGattService
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*/
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NX_CONSTEXPR u16 btdevGattServiceGetInstanceId(BtdevGattService *s) {
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return s->instance_id;
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}
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/**
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* @brief Gets the EndGroupHandle.
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* @param s \ref BtdevGattService
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*/
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NX_CONSTEXPR u16 btdevGattServiceGetEndGroupHandle(BtdevGattService *s) {
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return s->end_group_handle;
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}
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/**
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* @brief Gets whether this is the PrimaryService.
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* @param s \ref BtdevGattService
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*/
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NX_CONSTEXPR u16 btdevGattServiceIsPrimaryService(BtdevGattService *s) {
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return s->primary_service;
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}
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/**
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* @brief Wrapper for \ref btmuGetGattIncludedServices.
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* @param s \ref BtdevGattService
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* @param[out] services Output array of \ref BtdevGattService.
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* @param[in] count Size of the services array in entries. The max is 100.
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* @param[out] total_out Total output entries.
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*/
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Result btdevGattServiceGetIncludedServices(BtdevGattService *s, BtdevGattService *services, u8 count, u8 *total_out);
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/**
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* @brief Wrapper for \ref btmuGetGattCharacteristics.
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* @param s \ref BtdevGattService
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* @param[out] characteristics Output array of \ref BtdevGattCharacteristic.
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* @param[in] count Size of the characteristics array in entries. The max is 100.
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* @param[out] total_out Total output entries.
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*/
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Result btdevGattServiceGetCharacteristics(BtdevGattService *s, BtdevGattCharacteristic *characteristics, u8 count, u8 *total_out);
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/**
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* @brief Same as \ref btdevGattServiceGetCharacteristics except this only returns the \ref BtdevGattCharacteristic which contains a matching \ref BtdrvGattAttributeUuid.
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* @param s \ref BtdevGattService
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* @param[in] uuid \ref BtdrvGattAttributeUuid
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* @param[out] characteristic \ref BtdevGattCharacteristic
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* @param[out] flag Whether a \ref BtdevGattService was returned.
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*/
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Result btdevGattServiceGetCharacteristic(BtdevGattService *s, const BtdrvGattAttributeUuid *uuid, BtdevGattCharacteristic *characteristic, bool *flag);
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///@}
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///@name GattCharacteristic
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///@{
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/**
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* @brief Creates a \ref BtdevGattCharacteristic object. This is intended for internal use.
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* @param c \ref BtdevGattCharacteristic
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* @param[in] uuid \ref BtdrvGattAttributeUuid
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* @param[in] handle Handle
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* @param[in] connection_handle ConnectionHandle
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* @param[in] instance_id InstanceId
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* @param[in] properties Properties
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*/
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void btdevGattCharacteristicCreate(BtdevGattCharacteristic *c, const BtdrvGattAttributeUuid *uuid, u16 handle, u32 connection_handle, u16 instance_id, u8 properties);
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/**
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* @brief Gets the InstanceId.
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* @param c \ref BtdevGattCharacteristic
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*/
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NX_CONSTEXPR u16 btdevGattCharacteristicGetInstanceId(BtdevGattCharacteristic *c) {
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return c->instance_id;
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}
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/**
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* @brief Gets the Properties.
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* @param c \ref BtdevGattCharacteristic
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*/
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NX_CONSTEXPR u8 btdevGattCharacteristicGetProperties(BtdevGattCharacteristic *c) {
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return c->properties;
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}
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/**
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* @brief Wrapper for \ref btmuGetBelongingGattService.
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* @note Gets the \ref BtdevGattService which belongs to this object.
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* @param c \ref BtdevGattCharacteristic.
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* @param[out] service \ref BtdevGattService
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*/
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Result btdevGattCharacteristicGetService(BtdevGattCharacteristic *c, BtdevGattService *service);
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/**
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* @brief Wrapper for \ref btmuGetGattDescriptors.
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* @note Gets the descriptors which belongs to this object.
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* @param c \ref BtdevGattCharacteristic
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* @param[out] descriptors Output array of \ref BtdevGattDescriptor.
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* @param[in] count Size of the descriptors array in entries. The max is 100.
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* @param[out] total_out Total output entries.
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*/
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Result btdevGattCharacteristicGetDescriptors(BtdevGattCharacteristic *c, BtdevGattDescriptor *descriptors, u8 count, u8 *total_out);
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/**
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* @brief Same as \ref btdevGattCharacteristicGetDescriptors except this only returns a \ref BtdevGattDescriptor which contains a matching \ref BtdrvGattAttributeUuid.
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* @param c \ref BtdevGattCharacteristic
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* @param[in] uuid \ref BtdrvGattAttributeUuid
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* @param[out] descriptor \ref BtdevGattDescriptor
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* @param[out] flag Whether a \ref BtdevGattDescriptor was returned.
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*/
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Result btdevGattCharacteristicGetDescriptor(BtdevGattCharacteristic *c, const BtdrvGattAttributeUuid *uuid, BtdevGattDescriptor *descriptor, bool *flag);
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/**
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* @brief Sets the Value in the object.
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* @note See also \ref btdevWriteGattCharacteristic.
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* @param c \ref BtdevGattCharacteristic
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* @param[in] buffer Input buffer.
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* @param[in] size Input buffer size, max is 0x200.
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*/
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void btdevGattCharacteristicSetValue(BtdevGattCharacteristic *c, const void* buffer, size_t size);
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/**
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* @brief Gets the Value in the object, returns the copied value size.
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* @param c \ref BtdevGattCharacteristic
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* @param[out] buffer Output buffer.
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* @param[in] size Output buffer size, max is 0x200.
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*/
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u64 btdevGattCharacteristicGetValue(BtdevGattCharacteristic *c, void* buffer, size_t size);
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///@}
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///@name GattDescriptor
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///@{
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/**
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* @brief Creates a \ref BtdevGattDescriptor object. This is intended for internal use.
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* @param d \ref BtdevGattDescriptor
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* @param[in] uuid \ref BtdrvGattAttributeUuid
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* @param[in] handle Handle
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* @param[in] connection_handle ConnectionHandle
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*/
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void btdevGattDescriptorCreate(BtdevGattDescriptor *d, const BtdrvGattAttributeUuid *uuid, u16 handle, u32 connection_handle);
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/**
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* @brief Wrapper for \ref btmuGetBelongingGattService.
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* @note Gets the \ref BtdevGattService which belongs to this object.
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* @param d \ref BtdevGattDescriptor
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* @param[out] service \ref BtdevGattService
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*/
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Result btdevGattDescriptorGetService(BtdevGattDescriptor *d, BtdevGattService *service);
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/**
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* @brief Wrapper for \ref btmuGetGattCharacteristics.
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* @note Gets the \ref BtdevGattCharacteristic which belongs to this object.
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* @param d \ref BtdevGattDescriptor
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* @param[out] characteristic \ref BtdevGattCharacteristic
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*/
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Result btdevGattDescriptorGetCharacteristic(BtdevGattDescriptor *d, BtdevGattCharacteristic *characteristic);
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/**
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* @brief Sets the Value in the object.
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* @note See also \ref btdevWriteGattDescriptor.
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* @param d \ref BtdevGattDescriptor
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* @param[in] buffer Input buffer.
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* @param[in] size Input buffer size, max is 0x200.
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*/
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void btdevGattDescriptorSetValue(BtdevGattDescriptor *d, const void* buffer, size_t size);
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/**
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* @brief Gets the Value in the object, returns the copied value size.
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* @param d \ref BtdevGattDescriptor
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* @param[out] buffer Output buffer.
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* @param[in] size Output buffer size, max is 0x200.
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*/
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u64 btdevGattDescriptorGetValue(BtdevGattDescriptor *d, void* buffer, size_t size);
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///@}
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