"Comet Blue" is "The intelligent Bluetooth enabled energy-saving radiator thermostat", as stated in official documentation. Link to manufacturer's web page: http://www.eurotronic.org/produkte/comet-blue.html.
From the software point of view, "Comet Blue" is an BLE (Bluetooth Low Energy) device that implements GATT (Generic Attribute Profile Specification).
This project provides python library and command line tool which may be used to control "Comet Blue" from any linux system equipped with Bluetooth adapter (USB Bluetooth dongle, for example).
From sources:
# Install dependencies
pip install -r requirements.txt
# Install cometblue
python setup.py install
Using pip:
pip install cometblue
Usage: cometblue [OPTIONS] COMMAND [ARGS]...
Command line tool for "Comet Blue" radiator thermostat
Options:
-a, --adapter TEXT Bluetooth adapter interface [default: hci0]
-f, --formatter [json|human-readable|shell-var]
Output formatter [default: human-readable]
-L, --log-level TEXT [default: error]
-h, --help Show this message and exit.
Usage: cometblue discover [OPTIONS]
Discover "Comet Blue" Bluetooth LE devices
Options:
-t, --timeout INTEGER Device discovery timeout in seconds [default: 10]
-h, --help Show this message and exit.
cometblue automatically filters device list and shows only supported devices.
Usage example:
# cometblue discover
Comet Blue (E0:E5:CF:D6:98:53)
Usage: cometblue device [OPTIONS] ADDRESS COMMAND [ARGS]...
Get or set values
Options:
-p, --pin TEXT PIN for connecting to device (factory default PIN is 0)
-P, --pin-file TEXT Read PIN for connecting to device from file
-h, --help Show this message and exit.
Commands:
backup Backup all supported configuration values in...
get Get value
restore Restore configuration values from backup in...
set Set value (always requires PIN)
Usage: cometblue device get [OPTIONS] COMMAND [ARGS]...
Get value
Options:
-h, --help Show this message and exit.
Commands:
battery Get battery charge (requires PIN)
datetime Get time and date (requires PIN)
days Get configured periods per days of the week...
device_name Get device name
firmware_revision Get firmware revision
firmware_revision2 Get firmware revision #2 (requires PIN)
flags Get flags (requires PIN)
holidays Get configured holidays (requires PIN)
lcd_timer Get LCD timer (requires PIN)
manufacturer_name Get manufacturer name
model_number Get model number
software_revision Get software revision
temperatures Get temperatures (requires PIN)
Usage examples:
# cometblue device -p 0 E0:E5:CF:D6:98:53 get battery
39%
# cometblue device -p 0 E0:E5:CF:D6:98:53 get datetime
2016-03-27 18:32:00
# cometblue device -p 0 E0:E5:CF:D6:98:53 get temperatures
Current temperature: 23.0 °C
Temperature for manual mode: 16.0 °C
Target temperature low: 16.0 °C
Target temperature high: 21.0 °C
Offset temperature: 0.0 °C
Window open detection: 4
Window open minutes: 10
# cometblue device E0:E5:CF:D6:98:53 get device_name # no PIN required
Comet Blue
# cometblue device E0:E5:CF:D6:98:53 get firmware_revision # no PIN required
COBL0126
# cometblue device E0:E5:CF:D6:98:53 get software_revision # no PIN required
0.0.6-sygonix1
Usage: cometblue device set [OPTIONS] COMMAND [ARGS]...
Set value (always requires PIN)
Options:
-h, --help Show this message and exit.
Commands:
datetime Set time and date (requires PIN)
day Set periods per days of the week (requires...
holiday Set period and temperature for holiday...
lcd_timer Set LCD timer (requires PIN)
pin Set PIN (requires PIN)
temperatures Set temperatures (requires PIN)
Usage examples:
# cometblue device -p 0 E0:E5:CF:D6:98:53 set datetime # set time and date on device to current time and date
# cometblue device -p 0 E0:E5:CF:D6:98:53 set datetime "2014-08-27 12:23:56" # set time and date on device to some specific value
# cometblue device -p 0 E0:E5:CF:D6:98:53 set pin 123 # change PIN from factory default ("0") to new one ("123")
Usage: cometblue device set day [OPTIONS] DAY [PERIOD]...
Set periods per days of the week (requires PIN)
Options:
-h, --help Show this message and exit.
Usage examples:
# cometblue device -p 0 E0:E5:CF:D6:98:53 set day wed # clear settings for Wednsday
# cometblue device -p 0 E0:E5:CF:D6:98:53 set day sun -- "-04:00:00" "07:30:00-14:50:00" "21:00:00-" # set three periods for Sunday
Day may be specified as a full weekday name, short weekday name or number ("monday" == "mon" == "1"). Up to four periods may be specified per day. Each period should be in one of following formats:
Usage: cometblue device set holiday [OPTIONS] HOLIDAY [START] [END]
[TEMPERATURE]
Set period and temperature for holiday (requires PIN)
Options:
-h, --help Show this message and exit.
Usage example:
# cometblue device -p 0 E0:E5:CF:D6:98:53 set holiday 4 "2015-12-31 00:00:00" "2016-01-14 18:00:00" 23.5 # define holiday 4
# cometblue device -p 0 E0:E5:CF:D6:98:53 set holiday 4 # clear settings for holiday 4
Up to eight holidays supported.
Usage: cometblue device backup [OPTIONS] [FILE_NAME]
Backup all supported configuration values in JSON format to file or stdout
Options:
-h, --help Show this message and exit.
Usage: cometblue device restore [OPTIONS] [FILE_NAME]
Restore configuration values from backup in JSON format (from file or
stdin)
Options:
-h, --help Show this message and exit.
Usage example:
# cometblue device -p 0 E0:E5:CF:D6:98:53 backup ./backup.json # backup current settings
# cometblue device -p 0 E0:E5:CF:D6:98:53 restore ./backup.json # restore settings from backup
Tool and library may not work as expected because it is not well tested. Patches and bugreports are always welcome.
FAQs
Command line tool and python library for "Comet Blue" radiator thermostat
We found that cometblue demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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