- Curtain Broadcast Package
- Basic format of BLE communication data packet
- 0x02 Get the basic information of the device command
- 0x0F extended command
- The following table is the Service Data of SCAN_RSP.
| Service data | ||
|---|---|---|
| Byte: 0 | Enc type | Bit[7] NC |
| Dev Type | Bit [6:0] – Device Type ‘c’Const Adv Mode ‘C’Pair Mode | |
| Byte: 1 | Status | Bit [7] – Whether to allow connection 1- allowed, 0- not allowed |
| Bit [6] – Calibration situation 1-calibrated, 0-not calibrated, need to be calibrated | ||
| Bit [5-0] NC | ||
| Byte: 2 | Update utc flag | Bit[7] NC |
| Battery | Bit [6:0] – Battery capacity 0~100% | |
| Byte: 3 | MotionState | Bit [7] - Movement status, 0-stationary, 1-movement |
| Position | Bit [6:0] - The current position of the device (%) | |
| Byte: 4 | LightLevel | Bit [7:4] - Light level (1-10) |
| DeviceChain | Bit [3:0] - Device chain length | |
- UUID related to communication.
- Communication service UUID:
cba20d00-224d-11e6-9fb8-0002a5d5c51b
UUID TYPE：Vendor UUID types start at this index (128-bit)
- RX characteristic UUID of the terminal sending data to the device:
cba20002-224d-11e6-9fb8-0002a5d5c51b
UUID TYPE ：Vendor UUID types start at this index (128-bit)
Char Attribute ：RW
Char Properties： notify
- TX characteristic UUID of the device sending data to the terminal:
cba20003-224d-11e6-9fb8-0002a5d5c51b
UUID TYPE ：Vendor UUID types start at this index (128-bit)
Char Attribute ：RW
- All two-way communication occurs after the BLE connection is established. The communication form is that the terminal first sends a REQ request packet to the device, and the device returns an RSP packet.
The terminal first sends the REQ request packet to the device. The basic format is as follows:
| REQ Packet | ||
|---|---|---|
| Byte: 0 | Magic Number | 0x57 – (fixed value) |
| Byte: 1 | Header | Bit [7:6] – Version 0 – (fixed value) |
| Bit [5:4] – Encryption Mode 0 – no encryption | ||
| Bit [3:0] – command 0x02 – Get basic device information 0x0F – extended command | ||
| Byte: 2-19 | Payload | Depends on Command |
The basic format of the RSP packet returned by the device to the terminal is as follows:
| RSP Packet | ||
|---|---|---|
| Byte: 0 | Response status | 0x01 - OK, Action executed 0x02 - ERROR, Error while executing an Action 0x03 - BUSY, Device is busy now, please try later 0x04 - Communication protocol version incompatible 0x05 - Device does not support this Command 0x06 - Device is low power 0x0D - This command is not supported in the current mode 0x0E - Disconnected from the device that needs to stay connected |
| Byte: 1-19 | Payload | Depends on the Command to reply |
- Used to obtain basic information about the device.
- REQ Packet Payload is 0.
- The Status byte of the RSP packet after successful execution is 0x01, and the Payload is:
| RSP Packet Payload | ||
|---|---|---|
| Byte: 0 | Bat Per | The battery percentage |
| Byte: 1 | FW Ver | Firmware Version |
| Byte: 2 | Chain Length | Device Chain Length |
| Byte: 3 | State 1 | bit7-direction, 0: default (open to the left), 1: reverse bit6-touch and go, 0: disable, 1: enable bit5-lighting effect, 0: disable, 1: enable bit4-reserved bit3-fault, 0-none, 1-faulty bit2:0-reserved |
| Byte: 4 | State 2 | bit3-Whether solar panel is plugged in, 0-No, 1-There is solar panel bit2-calibrated, 0-not calibrated, 1-calibrated bit1:0-motion status, 0-static, 1-open window, 2-close window |
| Byte: 5 | Position | Current location of the device (%) |
| Byte: 6 | Timer Amount | Number of timers |
- Set Curtain's unique setting content.
| Function code | Function parameter code | REQ Packet Payload | |
| Byte: 0 | Byte: 1 | Byte: 2 | Byte: 3 |
| 0x01-Action | 0x05-unified action of device chain | 0xFF | The distance between the final position of the device and the origin (%) |
| 0x03-Light sensor | 0x02-device chain light trigger source | The serial number of the device where the photosensitive sensor is located (device identification B) | 0x0-Motherboard 0x01-Solar Panel |
| 0x03-delete all light sensing actions | |||
- REQ Packet不同命令返回值不同。
| REQ Packet | RSP Packet | ||||
|---|---|---|---|---|---|
| Functioncode | Function parameter code | Payload Byte: 0 | Byte: 0 | Byte: 1 | Byte: 2 |
| 0x01-Action | - | - | Command Status | Device 0 current percentage position | Current percentage position of device 1 |
- Get Curtain's unique setting content.
- Action mode A: 0-performance mode, 1-silent mode, other-invalid value, the default invalid value is 1 for all bit values.
- Charging status A:
- 0:Not charging,
- 1:Adapter charging,
- 2:Solar panel charging,
- 3:The adapter connection is full,
- 4:The solar panel connection is full,
- 5:The solar panel is connected and not charged when it is not fully charged.
- 6:Hardware error.
| Function | Function | Function | Function | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Byte: 1 | Byte: 2 | Byte: 3 | Byte: 0 | Byte: 1 | Byte: 2 | Byte: 3 | Byte: 4 | Byte: 5 | Byte: 6 |
| 0x04-Basic attributes | 0x01-Summary information | Command Status | Device 0 bit7-direction, 0: default, 1: reverse bit6-touch and go, 0: disable, 1: enable bit5-light sensor, 0: disable, 1: enable bit4-reserved bit3-window mode, 0-window to the left, 1-window to the right bit2:0-reserved | Device 1 bit7-direction, 0: default (open to the left), 1: reverse bit6-touch and go, 0: disable, 1: enable bit5-light sensor 0: disable, 1: enable bit4-reserved bit3-window mode, 0-open window to the left, 1-open window to the right bit2:0-reserved | |||||
| 0x02-Advanced page | Device 0 battery power | Device 0 Firmware version | Device 0 State of charge A | Device 1 battery power | Device 1 Firmware version | Device 1 State of charge A | |||
| 0x01-Query the basic status of the device chain | bit7-reserved bit6-delay action 0-none, 1-yes bit5:4-device chain head movement status, 0-static, 1-open window, 2-close window, bit3:0-the number of light sensing actions | bit7:4-device chain head action mode A bit3:0-the number of device chain head timers | Device chain length | bit7- whether to insert solar panel, 0-no, 1- insert solar panel; bit6:0-sequence number 0 device current location | bit7-whether to charge, 0-no, 1-charging; bit6:0-serial number 0 device current battery power | bit7- whether to insert solar panel, 0-no, 1- insert solar panel; bit6:0-sequence number 1 current location of the device | |||
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