Hours of Service with Syrus

This tutorial will show you how to use a Bluetooth Speakerphone to speak to a driver when he/she drives for too long without stopping/resting. It's an actionable hours of service implementation with real-time driver coaching.

Result

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You will learn

You will need

This guide assumes that you have a Syrus 4 device either connected to a PC or a phone using the Syrus Terminal Application.

Connect your Bluetooth Speakerphone

  • Switch the power on in your Bluetooth Speakerphone.

  • Using the Syrus Terminal Application navigate to the HOME and in the menu option select Bluetooth

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  • Scan for devices and pair to the Bluetooth Speakerphone
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Test audio

You should be able to press the ▶️ button and hear audio.

Breakdown of the Script

The script consists of the following states:

StatesDescription
Ready to goDriver turns vehicle ON and is ready to begin driving
DrivingDriver is driving and below the maximum number of hours before a rest is required
OverworkingDriver has passed the maximum continuous work hours allowed before resting
RestingDriver has parked the car and is considered at rest
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State diagram

A detailed diagram showing the states (in white) and the actions performed (in orange).

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Detailed diagram

Customize the Syruslang Configuration Script

Copy and paste the script into a text editor and edit the parameters with the speech or time values.

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Customizing the script

Editing the timers

You can edit the timers of the script by changing the values of the duration field in the define timer lines.

Example:

Timer of 2 hours

define timer driving_timer duration=120min

Timer of 6 hours

define timer driving_timer duration=360min


Change language of text to speech

You can change the language of the text to speech by changing the lines that have

speak lang=en 'text to speak'

to Spanish

speak lang=es 'texto para hablar'

Available languages are:

  • en = English
  • de = German
  • es = Spanish
  • fr = French
  • it = Italian

Example:

define action overworking_started trigger=sg_ign_on,@timers.driving_timer,and
    send event two_hours_driving
    start counters overwork
    speak lang=es 'Ha estado conduciendo por 2 horas o más. por favor tome un descanso'
# Create a group definition to start the script
define group hos

# Create a counter for measuring time spent overworking
# This timer is sent on every event, if the driver has not overworked it will always be 0
define counters overwork signal=sg_ign_on start=false

# Fieldset that includes the overwork counter in a taip CV field, the value is in seconds
define fieldset hos_fields fields=$io,$gnss,CV00:$counters.overwork.total_time

# Signal for ignition detection
define signal sg_ign_on min_duration=2sec $io.ign
define signal sg_ign_off min_duration=2sec $io.ign == false

# Create and initialize a variable for when the driver is rested
define variable rested
set variable rested true

# Signal for the rested variable
define signal sg_rested $variables.rested == true

# Timers (driving and break), driving duration 6hr, rest 30min
define timer driving_timer duration=360min
define timer break_timer duration=30min

# Create events for notifying when the driving conditions are met
# These events are fired by the actions later defined
define event ev_driving_limit group=hos 
    ack=seq label=drvlimit
    fieldset=hos_fields

define event ev_overworked_report group=hos 
    ack=seq label=overwork
    fieldset=hos_fields

define event ev_on_break group=hos 
    ack=seq label=break
    fieldset=hos_fields

define event ev_ign_on group=hos 
    ack=seq label=ignon
    fieldset=hos_fields 

define event ev_ign_off group=hos 
    ack=seq label=ignoff
    fieldset=hos_fields 

# Actions
# (Driver state: Driving) timer starts with ignition ON
define action driving_started trigger=sg_ign_on 
    start timer driving_timer
    send event ev_ign_on
    speak lang=en 'Starting work.'

# (Driver state: Overworking) driving timer expired
define action overworking_started trigger=sg_ign_on,@timers.driving_timer,and
    start counters overwork
    send event ev_driving_limit
    speak lang=en 'You have been driving continuously for 6 hours. Please pull over and rest.'
 
# (Driver state: Resting) rest, reset timers and send the overworked report
define action resting_started trigger=sg_ign_off
    stop timer driving_timer
    reset counters overwork
    start timer break_timer
    set variable rested false
    send event ev_ign_off
    send event ev_overworked_report
    speak lang=en 'At rest'

# (Driver state: Ready to go)           
define action ready_to_go trigger=sg_ign_off,@timers.break_timer,and
    stop timer break_timer
    set variable rested true
    send event ev_on_break
    speak lang=en 'Rest finished. You may resume driving.'

# (Driver state: Trying to overwork - Not resting enough)
define action no_rest_warning trigger=sg_ign_on,sg_rested,not,and
    stop timer break_timer
    speak lang=en 'Warning, you have not rested enough'

# Destination
set destinations group=hos pegasus

Grab the entire text and save it into a text file with the name: configuration.syrus.conf

Create another file with the name destinations.syrus.conf and put these two lines in it, be sure to replace it with your site info.

# Destination file with Pegasus gateway destination

define destination pegasus taip tcp://cloud.pegasusgateway.com:5000

Upload to Syrus Cloud

Use Syrus Cloud to load both configurations on a new SyrusJS application.

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Create a new application

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Add the instance

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See it synched in overview

Once it's synchronized you can go take the Syrus for a drive with the speakerphone.

To customize this further you may consider adding driver identification with an iButton and having different rules based on who's driving.


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