55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
|
package cbgo
|
||
|
|
|
||
|
|
import "unsafe"
|
||
|
|
|
||
|
|
/*
|
||
|
|
// See cutil.go for C compiler flags.
|
||
|
|
#import "bt.h"
|
||
|
|
*/
|
||
|
|
import "C"
|
||
|
|
|
||
|
|
// MutableCharacteristic: https://developer.apple.com/documentation/corebluetooth/cbmutablecharacteristic
|
||
|
|
type MutableCharacteristic struct {
|
||
|
|
ptr unsafe.Pointer
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewMutableCharacteristic(uuid UUID, properties CharacteristicProperties,
|
||
|
|
value []byte, permissions AttributePermissions) MutableCharacteristic {
|
||
|
|
|
||
|
|
cuuid := C.CString(uuid.String())
|
||
|
|
defer C.free(unsafe.Pointer(cuuid))
|
||
|
|
|
||
|
|
cvalue := byteSliceToByteArr(value)
|
||
|
|
defer C.free(unsafe.Pointer(cvalue.data))
|
||
|
|
|
||
|
|
return MutableCharacteristic{
|
||
|
|
ptr: unsafe.Pointer(C.cb_mchr_alloc(cuuid, C.int(properties), &cvalue, C.int(permissions))),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Characteristic converts a MutableCharacteristic into its underlying
|
||
|
|
// Characteristic.
|
||
|
|
func (c MutableCharacteristic) Characteristic() Characteristic {
|
||
|
|
return Characteristic{c.ptr}
|
||
|
|
}
|
||
|
|
|
||
|
|
// SetDescriptors: https://developer.apple.com/documentation/corebluetooth/cbmutablecharacteristic/1518827-descriptors
|
||
|
|
func (c MutableCharacteristic) SetDescriptors(mdscs []MutableDescriptor) {
|
||
|
|
dscs := mallocObjArr(len(mdscs))
|
||
|
|
defer C.free(unsafe.Pointer(dscs.objs))
|
||
|
|
|
||
|
|
for i, mdsc := range mdscs {
|
||
|
|
setObjArrElem(&dscs, i, mdsc.ptr)
|
||
|
|
}
|
||
|
|
|
||
|
|
C.cb_mchr_set_descriptors(c.ptr, &dscs)
|
||
|
|
}
|
||
|
|
|
||
|
|
// SetValue: https://developer.apple.com/documentation/corebluetooth/cbmutablecharacteristic/1519121-value
|
||
|
|
func (c MutableCharacteristic) SetValue(val []byte) {
|
||
|
|
ba := byteSliceToByteArr(val)
|
||
|
|
defer C.free(unsafe.Pointer(ba.data))
|
||
|
|
|
||
|
|
C.cb_mchr_set_value(c.ptr, &ba)
|
||
|
|
}
|