CalAmp FOB10 Bluetooth 4.0 Low Energy Keyfob User Manual
CalAmp Bluetooth 4.0 Low Energy Keyfob
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User Manual
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| Document ID | 2789144 |
| Application ID | IucDQT7dDfNkhsFsp8eKhw== |
| Document Description | User Manual |
| Short Term Confidential | No |
| Permanent Confidential | No |
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| Document Type | User Manual |
| Display Format | Adobe Acrobat PDF - pdf |
| Filesize | 45.56kB (569447 bits) |
| Date Submitted | 2015-10-21 00:00:00 |
| Date Available | 2015-10-21 00:00:00 |
| Creation Date | 2015-10-16 07:26:52 |
| Producing Software | Adobe PDF Library 9.0 |
| Document Lastmod | 2015-10-16 07:27:07 |
| Document Title | User Manual |
| Document Creator | Acrobat PDFMaker 9.1 for Word |
| Document Author: | Neil Fearn |
BLE KEYFOB™ Hardware and Installation Guide Version 1.0.0 SEPTEMBER 1, 2015 License Agreement FOR SOFTWARE, APPLICATION PROGRAMING INTERFACES (APIS) & DOCUMENTATION IMPORTANT: DO NOT INSTALL OR USE THE SOFTWARE OR DOCUMENTATION UNTIL YOU HAVE READ AND AGREED TO THIS LICENSE AGREEMENT. This is a legal agreement between you, the Customer, and CalAmp DataCom Incorporated (“CalAmp”). By installing and/or using the software or documentation, you are consenting to the terms of this License. If you do not agree to the terms of this non-exclusive License Agreement, DO NOT INSTALL OR USE THE SOFTWARE, APIs OR DOCUMENTATION. For a full refund, return the unused media package and all accompanying materials within seven (7) days to CalAmp. Where there is no packaging or media, use of the software and/or documentation constitutes acceptance. 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Rights are reserved under copyright laws of the United States with respect to unpublished portions of the Software. Regulatory Information FCC Rules Compliance Statement (Part 15.19) The enclosed hardware device complies with the Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received including interference that may cause undesired operation. FCC ID: APV-FOB10 IC ID: 5843C-FOB10 M/N: FOB10-BL Manufacture: CalAmp Corp. Warning (Part 15.21) Changes or modifications not expressly approved by CalAmp could void the user’s authority to operate the equipment. Manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Compliance Statement (Part15.105(b)) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: • Reorient or relocate the receiving antenna • Increase the separation between the equipment and receiver • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Industry Canada (IC) regulatory information This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes : (1) l’appareil ne doit pas produire de brouillage, et (2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement CAN ICES-3 (B)/NMB-3(B) Driver ID Keyfob system design Table of contents Driver ID Keyfob system design .......................................................................................................... 1 Key Fob button pushes ..................................................................................................................... 10 Button state machine ignoring debouncing ................................................................................. 10 button state coded as 2 bits ......................................................................................................... 10 Configuration for each button ...................................................................................................... 11 Event generation mask for each button coded as 1 byte ............................................................. 11 Keyfob configuration......................................................................................................................... 11 OTP (factory set configuration) ..................................................................................................... 12 Keyfob button timing diagrams for common scenarios. .................................................................. 12 Short press showing de-bouncing other buttons not pressed. .................................................... 12 LMU-FOB comms .............................................................................................................................. 13 Advertisement packet contents .................................................................................................... 13 Calamp Fob data contents ............................................................................................................ 13 Version letter encoding................................................................................................................. 14 txpw contents ............................................................................................................................... 14 Scan response packet contents .................................................................................................... 15 Overview of Bluetooth Automatic Driver ID process........................................................................ 15 State Machine for driver ID discovery .......................................................................................... 15 State Machine for Finding Fobs using Beeps and Buttons............................................................ 15 Description .................................................................................................................................... 15 Sequence diagram of discovery of driver id when only one fob in range .................................... 18 Sequence Diagram of discovery of driver ID using buzzer and button ......................................... 19 Sequence diagram of connecting to a single fob to sound buzzer during driver id discovery ..... 20 Bluetooth LE services .................................................................................................................... 21 New PEG triggers .......................................................................................................................... 21 New Trigger modifiers................................................................................................................... 21 New PEG actions ........................................................................................................................... 22 Params .......................................................................................................................................... 22 Driver’s FOB Out-of-Range................................................................................................................ 23 Over the Air Update .......................................................................................................................... 23 Format of Fob OTA ID report ............................................................................................................ 24 Work Breakdown .............................................................................................................................. 27 Build Process ................................................................................................................................. 27 Keyfob ........................................................................................................................................... 27 BTCS .............................................................................................................................................. 27 LMU ............................................................................................................................................... 27 Key Fob button pushes Button state machine ignoring debouncing Warning: Any key press event with time interval shorter than 1s is not going to be reliably received by LMU FOB module when LMU BT driver is operating in Scan advert mode. The state diagram below will only work if the KeyFob is connected to BTDB. Button push Not Pressed Button release Tx Not pressed timeout repeat LP Tx Longpress Long Press Pre-short press timeout MinSP Tx ShortPress Button release Tx Not pressed timeout LP Tx longpress Short Press timeout repeat SP Tx Shortpress button state coded as 2 bits Not pressed Pre-short press Short Press Long Press 00 01 10 11 The three buttons are bit coded into a single button state byte 0 0 b3 b3 b2 b2 b1 b1 Configuration for each button configuration units / bit Event Generation mask (see below) size (bytes) default 00111100 Generate events on releasing button from short press & when long pressed & keep generating long press events until button is released. Event generation mask for each button coded as 1 byte description mask (top 2 bits are reserved) generate message on min short press timeout 00xxxxx1 generate message on short press repeat timeout 00xxxx1x generate message on short press release 00xxx1xx generate message on long press timeout 00xx1xxx generate message on long press repeat timeout 00x1xxxx generate message on long press release 001xxxxx Keyfob configuration Stored on individual Keyfobs. Short Press minimum Short Press Repeat Long Press time Long Press Repeat beacon interval beacon duration after keypress CID units / bit 100ms 100ms 100ms 100ms 1ms 1s n/a size (bytes) Tx power Low Battery LED blink % Button push LED blink db n/a Config button 1 (see above) Config button 2 (see above) Config button 3 (see above) reserved (for 4th button) n/a n/a n/a n/a default 15 8750 0 (always and forever) 0xFFFF (0xFFFF is special case and is always processed) otherwise this CID must match the CID in the LMU 20 0x07 all 3 buttons cause blink when pressed (0x0f if 4 buttons) 0x3c 0x3c 0x3c 0x00 OTP (factory set configuration) Description size (bytes) Cal Id tx power calibration 4 (1 for each available power level) default 0xca1a (** to be confirmed by BT SIG) measured during ATE Keyfob button timing diagrams for common scenarios. Short press showing de-bouncing other buttons not pressed. Button 1 0 a 0) Button is pushed at time zero. a) After de-bouncing button is determined as pressed but no message is generated. b) After ‘short press minimum time’ a short press event is generated and if configured a message is broadcast with button state 0b00000010 and reason code 0b00010001. c) After ‘short press repeat time’ a short press repeat event is generated and if configured a message is generated with button state 0b00000010 and reason code 0b00010001. d) After Button is released and de-bounced a button release event is generated and if configured a message is generated with button state 0b00000000 and reason code 0b00110001 Button 1 Button 2 c d e 0) Button 1 is pushed a) Button 2 is pushed before ‘short press minimum time’ for button 1. Because button 2 is pushed before ‘short press minimum time’ Buttons 1 and 2 are now considered as grouped for the purposes of the reason code. b) Short press minimum time elapses on both button 1 and 2 if configured a message is broadcast with button state 0b00010010 and a reason code of 0b00010011 c) The short press repeat time passes for buttons 1 and 2; if configured a message is generated with button state 0b00001010 and a reason code of 0b00010011. d) button 2 is released if configured a message is generated with button state 0b00000010 and reason code 0b00110010 e) Button 1 is released if configured a message is generated with button state 0b00000000 and reason code 0b00110001 Button 1 Button 2 0) Button 1 is pushed a) Button 1 ‘short press minimum time’; a short press event is generated and if configured a message is broadcast with button state 0b00000010 and reason code 0b00010001. b) Button 1 ‘short press repeat time’; a short press repeat event is generated and if configured a message is generated with button state 0b00000010 and reason code 0b00010001. c) Button 2 ‘short press minimum time’; a short press event is generated and if configured a message is broadcast with button state 0b00001010 and reason code 0b00010010. d) Button 1+2 ‘short press repeat time’; a short press repeat event is generated and if configured a message is generated with button state 0b00001010 and reason code 0b00010011. e) Button 2 ‘released’; a button release event is generated and if configured a message is generated with button state 0b00000010 and reason code 0b00110010 f) Button 1 ‘short press repeat time’; a short press repeat event is generated and if configured a message is generated with button state 0b00000010 and reason code 0b00010001. g) Button 1 ‘long press time’; a long press event is generated and if configured a message is generated with button state 0b00000011 and reason code 0b00100001. h) Button 1 ‘long press repeat time’; a long press repeat event is generated and if configured a message is generated with button state 0b00000011 and reason code 0b00100001. i) Button 1 ‘released’; a button release event is generated and if configured a message is generated with button state 0b00000000 and reason code 0b00110000. LMU-FOB comms Advertisement packet contents calamp fob data txpw The advertisement consists of at least 2 parts from GAP specification, Manufacturer Specific Data called ‘calamp fob data’; and Tx Power Level called txpw. Calamp Fob data contents L F cal v cid p fv c crc s r b a note: now using the MAC address as the fob ID. size (bytes) cal Description length of this data Manufacturer Specific Data as defined in GAP Calamp manufacturer ID set by us to distinguish our devices default 0x10 0xff 0xca1a (big endian) TBC v cid fv crc Version letter encoding version letter ‘a’ ‘b’ ‘c’ ‘d’ ...... ‘y’ ‘z’ version of this message Set by customer/provisioning to allow a single customer to differentiate their devices from the mass. App id;for the keyfob this is 0x01 Version of keyfob firmware running on the keyfob. configuration version crc of the keyfob configuration (defined above) that will include CID, button config etc . Actual crc polynomial TBD. This is to be used to determine if the configuration is as expected. button state (see above) advertisement old button state captured in previous time slot(see above) battery state (%) RSSI @ 1 metre taking into account tx power level 0x01 0x0000 0x01 0xnnbb (big endian) nn coded as packed binary coded decimal bb is version letter and running area (see below) 0x1308 is version “1.3e” running from low area N/A 0x00 no buttons pressed 0x00 beacon 0x64 100% n/a bb for low area 0x00 0x02 0x04 0x06 bb for high area 0x01 0x03 0x05 0x07 0x30 0x32 0x31 0x33 txpw contents L Pp size (bytes) Description length of this data Tx power as defined in GAP transmitted power of this default 0x0a 0xf6 (-10dB) **TBD advertisement (db) Scan response packet contents May contain uuids of services, name and any other static data. Overview of Bluetooth Automatic Driver ID process State Machine for driver ID discovery PEG Action Idle Not Found PEG Trigger Out of Range or PEG Action Finding Driver Fob Fob Found PEG Trigger PEG trigger Fob connected To mitigate contention where a FOB is in range of several LMUs the LMU will only look for FOBs when the PEG script executes PEG action. State Machine for Finding Fobs using Beeps and Buttons Description • LMU is asleep saving power • Key Fob(s) transmitting beacons (advertisement packets) every 10 seconds. • Driver turns key in ignition (and wakes LMU) • • • • • • Peg ignition trigger causes Peg BT_KEYFOB_DISCOVER action (TBD) for BT_KEYFOB_DISCOVER_TIME (configurable TBD) time. BT middleware starts discovery BT middleware populates discovered devices list including FOB ID and RSSI and TxPwr for all calamp keyfobs that match the BT_KEYFOB_CID (configurable 0-FFFE standard CID, FFFF is special case). BT middleware stops discovery after BT_KEYFOB_DISCOVER_TIME timeout BT middleware calculates path attenuation for all discovered keyfobs based on RSSI and TxPwr. o If a single KeyFob has (config TBD) smaller path attenuation [BT_KEYFOB_PATHATT] than all others, that key fob is selected as the driver’s fob. o If a single KeyFob has advertised a button push that key fob is selected as the driver’s fob. o Otherwise a set of candidate fobs is created from those fobs within BT_KEYFOB_PATHATT of the least attenuated. if configured with BT_KEYFOB_USE_FOB_RSSI (config TBD) BT middleware connects in turn to each candidate fob and uses a config/control service to measure the RSSI at the fob • If a single KeyFob measures the RSSI with a 6dB/BT_KEYFOB_PATHATT less than all the rest this fob is selected as the driver’s fob. otherwise if configured with BT_KEYFOB_USE_FOB_BUTT (config TBD) BT Middleware connects to each candidate fob and requests the buzzer to sound for TBD on bench, start with 200) ms. BT middleware waits for BT_KEYFOB_QUERY_DRIVER_TIMEOUT (config TBD) for a button press response from the driver. • if button defined in BT_KEYFOB_USE_FOB_BUTT is received from a single fob, this fob is selected as the drivers fob otherwise the driver’s fob is set to null. if driver’s fob is non null o BT Middleware invokes PEG TRIG_BLE_FOB (already used) trigger with a button code (TBD) as the modifier; having populated (config TBD) ACC_BLE_RSSI_HILO (already used) accumulator with RSSI and ACC_BLE_FOB_BATT (config TBD) (already used) with battery status. o BT Middleware invokes DID_DriverId_Event()(already used) with FOB ID (not MAC address) as the driver’s ID o BT Middleware connects to Drivers fob and connects to the ‘button notification’ service; the ‘LED’ service; the ‘Buzzer’ service; and the ‘Configuration’ service. o button notification service provides the button state and reason codes as per advertisement packet. o while connected PEG actions ACT_KEYFOB_BUZZ (config TBD) cause BT-middleware to connect to the buzzer service(TBD) and sound the buzzer according to the modifier (TBD) Comment [n1]: Optional for phase 2 o while connected PEG actions ACT_KEYFOB_LED (config TBD) cause BT-middleware to connect to the led service(TBD) and sound the buzzer according to the modifier (TBD) While connected BT-middleware connects to config service(config TBD) and ota management service(config TBD) and constructs a PULS ID report with the fob id as the unique identifier and the LMU id as an agent(TBD). If required LMU will download new config or firmware for fob. the BT-middleware will contact the config service to update the config as necessary the BT-middleware will contact the OTA service and update firmware as necessary the BT-middleware will restart the fob firmware using the keyfob control(TBD) service Note: no settings changes take effect without reset. Reset drops the connection. BT-Middleware monitors the connection. If the connection drops BT-middleware invokes PEG TRIG_BLE_FOB (already used) trigger and DID_DriverId_Event()(already used) Sequence diagram of discovery of driver id when only one fob in range Sequence Diagram of discovery of driver ID using buzzer and button Sequence diagram of connecting to a single fob to sound buzzer during driver id discovery Bluetooth LE services Service Name Attribute Name LED pattern Buzzer Button Config/control OverAir download r/w size (bytes) r/w pattern r/w button Config reset RSSI r/w 16 notes New custom primary service Characteristic that defines the blink pattern 1st byte on time; 2nd byte off time; 3rd byte blink pattern least significant bit first is shifted to the LED; bit 1 implies on; LED turned off at end of pattern New custom primary service as above New custom primary service 1st byte is the button state; 2nd byte is the reason code identical to the advertisement packet New custom primary service read write fob configuration write to reset keyfob RSSI of connection to LMU existing TI service TBC New PEG triggers Trigger PEG TRIG_BLE_FOB New Trigger modifiers Modifier PEG_MOD_FOB_BUTTON Modifier PEG_MOD_FOB_BUTTON Description Existing trigger new modifier Description TBD probably the reason code from advertisement with extra for ‘fob out-of-range’ value New PEG actions Action ACT_BT_KEYFOB ACT_BT _LISTSEND ACT_KEYFOB_OUTPUT Modifier 0 – DISCOVER/CONNECT 1 – HUP 0NONE B7-b6: Output Dest 0 – LED 1 – BUZZER Description Start discovery for a period of time send list of discovered keyfobs to server in an app message beep buzzer count (up to 4) times B5-b4: Pattern 0 – Slow 1Hz 1 – Fast 5Hz B3-b0: count None disconnect FOB Params BT_KEYFOB_DISCOVER_TIME BT_KEYFOB_CID BT_KEYFOB_PATHATT size (bits) 16 16 BT_KEYFOB_MODE BT_KEYFOB_QUERY_DRIVER_TIMEOUT 8 BT_KEYFOB_USE_FOB_BUTT ACC_BLE_RSSI_HILO ACC_BLE_FOB_BATT Desc Discovery time period (30) filter for customer’s keyfobs default (0x0000) a single keyfob needs to have a greater RSSI than all other discovered keyfobs; exceeding by at least this configured amount 9 = USE_FOB_RSSI 10 = USE_FOB_BUTT 1s/bit wait for this long to see button press 0-3 configures which button on the fob is designated as the driver’s response button configure which accumulator holds RSSI of driver’s fob configure which accumulator holds battery status of driver’s fob Comment [n2]: Use Existing Bluetooth Mode configuration and have two enumerations for FOB use, 1 for Use FOB RSSI and 1 for Use FOB BUTT Comment [n3]: NF check understanding. Should have new accumulator type BLE_RSSI. Comment [n4]: As per comment above. Driver’s FOB Out-of-Range ‘Disconnect’ from BTCS is used to signal to LMU that driver’s ID is no longer valid. option 1) New/existing Peg trigger to allow peg to decide to rescan () and send a logoff message to server. option 2) If Ignition is still on, rescan automatically and follow driver ID discovery process. option 3) Both of the above Over the Air Update Note that it is possible that a different fob could be connected after an OTA upgrade, and so the next ID report for the upgraded fob will not be until the next time it is used. Generated (https://www.websequencediagrams.com/#): For Style: use “Plain UML” style. title OTA Sequence Fob->LMU: Advertisement Packet with Fob version note right of LMU: Connection algorithm determines\nthat it should connect to this Fob LMU->Fob: Connect LMU->Server: Fob OTA ID Report note right of Server: Checks fob's version against any queued\nupdates and determines if one is available Server->LMU: OTA Download available (App 107) note right of LMU: Check if have file already in OTA\n flash storage. LMU<->Server: HTTP download of A&B image (if required) note right of Fob: FOB new version is captured LMU<->Fob: OAD update of A/B image note left of Fob: Validate image, reset and run Fob->LMU: Advertisement Packet with new Fob version note right of LMU: Connection algorithm determines\nthat it should connect to this Fob LMU->Fob: Connect LMU->Server: Fob OTA ID Report note right of Server: If this is the same fob then confirms version\nis updated and marks OTA as complete note right of Server: Checks fob's version against any queued\nupdates and determines if one is available Format of Fob OTA ID report This is the LM Direct ID report for the Bluetooth fob that is sent from the LMU to PULS. The PULS ID report for the Bluetooth fob will use LM Direct Message type 13 which is a Device Version Report Message. This message type was created for the Android MDT but can be reused by changing the device type in the message body. Options Header (optional) … Message Header … JSON Object … Device Version Report Message Format The message body (following the Message Header) consists of a single JavaScript Object Notation (JSON) object, which for the fob will contain three JSON structures. The names and contents of each structure are summarized in the table below: Name JSON type Contents “ids” array Device type for Bluetooth fob (13), Hardware version (key fob app id = 1), MAC ID, Firmware file type (0), Firmware version Name JSON type Contents “extensions” object "OTA":”| ; ”, "OTASTAT":” , , , , , ” “which” array The number of this message (starting from 1), the number of messages in the report The OTA ID field in the OTASTAT value is initialised to 00000000 and updated when any App 107 message is received. The OTASTAT value will be reset to “00000000,13,0,0,0,” at initialisation and for any fob ID report to PULS where the MAC ID does not match the previous (if any) fob ID report to PULS. An example of the JSON object is: {“ids”:[13,1,”D05FB80DE12F”,0,”1.0a”],”extensions”:{"OTA":"1|13;0"," OTASTAT":"00000000,13,0,0,0,"},"which":[1,1]} Note that the order within JSON arrays is fixed, but the order in JSON objects is not fixed, and so for example the “ids” member is not necessarily the first member, and within the “extensions” object the “OTASTAT” name/value pair may precede the “OTA” name/value pair. The example above decodes as follows: Structure Type Value or Name:Value Explanation ids array 13 Device type for Bluetooth fob Hardware version is the key fob app id ”D05FB80DE12F” MAC ID Firmware file type “1.0a” Firmware version extensions object "OTA":"1|13;0" OTA attributes: supported protocols = 1 (HTTP) Device type = 13 (Bluetooth fob) Supported file types = 0 (Firmware) OTASTAT":"00000000,13,0,0,0," OTA status: OTAID = 00000000 (timestamp) Device type = 13 (Bluetooth fob) File type = 0 (Firmware) State code = 0 Diag code = 0 Additional status = “” (none) which array This is message 1 Number of messages in report is 1 Work Breakdown Build Process Firmware Version Make sure that the build process automatically names the final binaries correctly and that there is exactly one place in the project that sets the version information. Keyfob Keyfob Over the air service we are currently working on this. Keyfob Advertisement packet Fully populate with at least static data Keyfob Button push advertisement This includes different advertisement timing; detection of button states; and reason coding. Keyfob configuration storage (done?? or only ATE) Keyfob Config service Keyfob measure rssi service/characteristic This is measuring the rssi of the LMU/BTCS transmissions on the keyfob Keyfob LED service Keyfob Buzzer service This should be implemented as a carbon copy of LED service reusing code as much as possible. BTCS ATDILE ATDMLE ATGDCU LMU LMU Over the air BT Client ??? what is needed ??? LMU Modified interaction with Puls new FOB_ID message Includes designing the contents of this message and pretty documentation LMU Modified ‘file’ Handling to allow LMU to ‘cache’ file. LMU Keyfob config ??? Puls or params? LMU passive scan for strongest keyfob Includes creating a list of ‘seen’ keyfobs; adding parameters BT_KEYFOB_CID, BT_KEYFOB_DISCOVER_TIME; adding PEG action ACT_BT_KEYFOB_DISCOVER. LMU report of ‘seen keyfobs’ Includes PEG action ACT_BT_KEYFOB_LISTSEND to generate the report and pretty documentation of the report contents. LMU selection of keyfob by measuring rssi on the key fob Includes state machine to connect to each candidate keyfob and request RSSI measurement. LMU selection of keyfob by beep and button on the key fob Includes state machine to connect to each candidate keyfob and beep buzzer then wait for response. LMU PEG trigger PEG TRIG_BLE_FOB Trigger is done make needs to be integrated with new feature; add new button modifier. LMU PEG action ACT_KEYFOB_BUZZ Add new peg action LMU PEG action ACT_KEYFOB_LED Add new peg action LMU PEG action ACT_ BT_KEYFOB_HUP Add new peg action to disconnect from current driver’s fob
Source Exif Data:
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