59 lines
1.9 KiB
Go
59 lines
1.9 KiB
Go
package bluetooth
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// Service is a GATT service to be used in AddService.
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type Service struct {
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handle uint16
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UUID
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Characteristics []CharacteristicConfig
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}
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// CharacteristicConfig contains some parameters for the configuration of a
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// single characteristic.
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//
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// The Handle field may be nil. If it is set, it points to a characteristic
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// handle that can be used to access the characteristic at a later time.
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type CharacteristicConfig struct {
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Handle *Characteristic
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UUID
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Value []byte
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Flags CharacteristicPermissions
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WriteEvent func(client Connection, offset int, value []byte)
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}
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// CharacteristicPermissions lists a number of basic permissions/capabilities
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// that clients have regarding this characteristic. For example, if you want to
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// allow clients to read the value of this characteristic (a common scenario),
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// set the Read permission.
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type CharacteristicPermissions uint8
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// Characteristic permission bitfields.
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const (
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CharacteristicBroadcastPermission CharacteristicPermissions = 1 << iota
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CharacteristicReadPermission
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CharacteristicWriteWithoutResponsePermission
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CharacteristicWritePermission
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CharacteristicNotifyPermission
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CharacteristicIndicatePermission
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)
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// Broadcast returns whether broadcasting of the value is permitted.
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func (p CharacteristicPermissions) Broadcast() bool {
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return p&CharacteristicBroadcastPermission != 0
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}
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// Read returns whether reading of the value is permitted.
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func (p CharacteristicPermissions) Read() bool {
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return p&CharacteristicReadPermission != 0
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}
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// Write returns whether writing of the value with Write Request is permitted.
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func (p CharacteristicPermissions) Write() bool {
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return p&CharacteristicWritePermission != 0
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}
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// WriteWithoutResponse returns whether writing of the value with Write Command
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// is permitted.
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func (p CharacteristicPermissions) WriteWithoutResponse() bool {
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return p&CharacteristicWriteWithoutResponsePermission != 0
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}
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