Søren Rasmussen
07a23c1845
Some checks reported errors
continuous-integration/drone/push Build encountered an error
54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
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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// MutableCharacteristic: https://developer.apple.com/documentation/corebluetooth/cbmutablecharacteristic
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type MutableCharacteristic struct {
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ptr unsafe.Pointer
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}
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func NewMutableCharacteristic(uuid UUID, properties CharacteristicProperties,
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value []byte, permissions AttributePermissions) MutableCharacteristic {
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cuuid := C.CString(uuid.String())
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defer C.free(unsafe.Pointer(cuuid))
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cvalue := byteSliceToByteArr(value)
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defer C.free(unsafe.Pointer(cvalue.data))
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return MutableCharacteristic{
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ptr: unsafe.Pointer(C.cb_mchr_alloc(cuuid, C.int(properties), &cvalue, C.int(permissions))),
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}
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}
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// Characteristic converts a MutableCharacteristic into its underlying
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// Characteristic.
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func (c MutableCharacteristic) Characteristic() Characteristic {
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return Characteristic{c.ptr}
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}
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// SetDescriptors: https://developer.apple.com/documentation/corebluetooth/cbmutablecharacteristic/1518827-descriptors
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func (c MutableCharacteristic) SetDescriptors(mdscs []MutableDescriptor) {
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dscs := mallocObjArr(len(mdscs))
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defer C.free(unsafe.Pointer(dscs.objs))
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for i, mdsc := range mdscs {
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setObjArrElem(&dscs, i, mdsc.ptr)
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}
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C.cb_mchr_set_descriptors(c.ptr, &dscs)
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}
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// SetValue: https://developer.apple.com/documentation/corebluetooth/cbmutablecharacteristic/1519121-value
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func (c MutableCharacteristic) SetValue(val []byte) {
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ba := byteSliceToByteArr(val)
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defer C.free(unsafe.Pointer(ba.data))
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C.cb_mchr_set_value(c.ptr, &ba)
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}
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