81 lines
3.1 KiB
Go
81 lines
3.1 KiB
Go
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package cbgo
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import "unsafe"
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/*
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// See cutil.go for C compiler flags.
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#import "bt.h"
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*/
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import "C"
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// CharacteristicProperties: https://developer.apple.com/documentation/corebluetooth/cbcharacteristicproperties
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type CharacteristicProperties int
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const (
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CharacteristicPropertyBroadcast = CharacteristicProperties(C.CBCharacteristicPropertyBroadcast)
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CharacteristicPropertyRead = CharacteristicProperties(C.CBCharacteristicPropertyRead)
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CharacteristicPropertyWriteWithoutResponse = CharacteristicProperties(C.CBCharacteristicPropertyWriteWithoutResponse)
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CharacteristicPropertyWrite = CharacteristicProperties(C.CBCharacteristicPropertyWrite)
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CharacteristicPropertyNotify = CharacteristicProperties(C.CBCharacteristicPropertyNotify)
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CharacteristicPropertyIndicate = CharacteristicProperties(C.CBCharacteristicPropertyIndicate)
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CharacteristicPropertyAuthenticatedSignedWrites = CharacteristicProperties(C.CBCharacteristicPropertyAuthenticatedSignedWrites)
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CharacteristicPropertyExtendedProperties = CharacteristicProperties(C.CBCharacteristicPropertyExtendedProperties)
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CharacteristicPropertyNotifyEncryptionRequired = CharacteristicProperties(C.CBCharacteristicPropertyNotifyEncryptionRequired)
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CharacteristicPropertyIndicateEncryptionRequired = CharacteristicProperties(C.CBCharacteristicPropertyIndicateEncryptionRequired)
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)
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func chrWriteType(withRsp bool) C.int {
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if withRsp {
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return C.CBCharacteristicWriteWithResponse
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} else {
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return C.CBCharacteristicWriteWithoutResponse
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}
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}
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// Characteristic: https://developer.apple.com/documentation/corebluetooth/cbcharacteristic
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type Characteristic struct {
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ptr unsafe.Pointer
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}
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// UUID: https://developer.apple.com/documentation/corebluetooth/cbattribute/1620638-uuid
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func (c Characteristic) UUID() UUID {
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cstr := C.cb_chr_uuid(c.ptr)
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return MustParseUUID(C.GoString(cstr))
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}
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// Service: https://developer.apple.com/documentation/corebluetooth/cbcharacteristic/1518728-service
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func (c Characteristic) Service() Service {
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ptr := C.cb_chr_service(c.ptr)
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return Service{ptr}
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}
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// Value: https://developer.apple.com/documentation/corebluetooth/cbcharacteristic/1518878-value
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func (c Characteristic) Value() []byte {
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ba := C.cb_chr_value(c.ptr)
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return byteArrToByteSlice(&ba)
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}
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// Descriptors: https://developer.apple.com/documentation/corebluetooth/cbcharacteristic/1518957-descriptors
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func (c Characteristic) Descriptors() []Descriptor {
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oa := C.cb_chr_descriptors(c.ptr)
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defer C.free(unsafe.Pointer(oa.objs))
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dscs := make([]Descriptor, oa.count)
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for i, _ := range dscs {
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obj := getObjArrElem(&oa, i)
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dscs[i] = Descriptor{ptr: obj}
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}
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return dscs
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}
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// Properties: https://developer.apple.com/documentation/corebluetooth/cbcharacteristic/1519010-properties
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func (c Characteristic) Properties() CharacteristicProperties {
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return CharacteristicProperties(C.cb_chr_properties(c.ptr))
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}
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// IsNotifying: https://developer.apple.com/documentation/corebluetooth/cbcharacteristic/1519057-isnotifying
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func (c Characteristic) IsNotifying() bool {
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return bool(C.cb_chr_is_notifying(c.ptr))
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}
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