| package main |
| |
| import ( |
| "github.com/go-ble/ble" |
| "github.com/go-ble/ble/linux" |
| "github.com/go-ble/ble/linux/hci/cmd" |
| "github.com/pkg/errors" |
| ) |
| |
| func updateLinuxParam(d *linux.Device) error { |
| if err := d.HCI.Send(&cmd.LESetAdvertisingParameters{ |
| AdvertisingIntervalMin: 0x0020, // 0x0020 - 0x4000; N * 0.625 msec |
| AdvertisingIntervalMax: 0x0020, // 0x0020 - 0x4000; N * 0.625 msec |
| AdvertisingType: 0x00, // 00: ADV_IND, 0x01: DIRECT(HIGH), 0x02: SCAN, 0x03: NONCONN, 0x04: DIRECT(LOW) |
| OwnAddressType: 0x00, // 0x00: public, 0x01: random |
| DirectAddressType: 0x00, // 0x00: public, 0x01: random |
| DirectAddress: [6]byte{}, // Public or Random Address of the Device to be connected |
| AdvertisingChannelMap: 0x7, // 0x07 0x01: ch37, 0x2: ch38, 0x4: ch39 |
| AdvertisingFilterPolicy: 0x00, |
| }, nil); err != nil { |
| return errors.Wrap(err, "can't set advertising param") |
| } |
| |
| if err := d.HCI.Send(&cmd.LESetScanParameters{ |
| LEScanType: 0x01, // 0x00: passive, 0x01: active |
| LEScanInterval: 0x0004, // 0x0004 - 0x4000; N * 0.625msec |
| LEScanWindow: 0x0004, // 0x0004 - 0x4000; N * 0.625msec |
| OwnAddressType: 0x00, // 0x00: public, 0x01: random |
| ScanningFilterPolicy: 0x00, // 0x00: accept all, 0x01: ignore non-white-listed. |
| }, nil); err != nil { |
| return errors.Wrap(err, "can't set scan param") |
| } |
| |
| if err := d.HCI.Option(ble.OptConnParams( |
| cmd.LECreateConnection{ |
| LEScanInterval: 0x0004, // 0x0004 - 0x4000; N * 0.625 msec |
| LEScanWindow: 0x0004, // 0x0004 - 0x4000; N * 0.625 msec |
| InitiatorFilterPolicy: 0x00, // White list is not used |
| PeerAddressType: 0x00, // Public Device Address |
| PeerAddress: [6]byte{}, // |
| OwnAddressType: 0x00, // Public Device Address |
| ConnIntervalMin: 0x0006, // 0x0006 - 0x0C80; N * 1.25 msec |
| ConnIntervalMax: 0x0006, // 0x0006 - 0x0C80; N * 1.25 msec |
| ConnLatency: 0x0000, // 0x0000 - 0x01F3; N * 1.25 msec |
| SupervisionTimeout: 0x0048, // 0x000A - 0x0C80; N * 10 msec |
| MinimumCELength: 0x0000, // 0x0000 - 0xFFFF; N * 0.625 msec |
| MaximumCELength: 0x0000, // 0x0000 - 0xFFFF; N * 0.625 msec |
| })); err != nil { |
| return errors.Wrap(err, "can't set connection param") |
| } |
| return nil |
| } |
