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A Gumband communication instance (only one can exist per device). Functions for this class are listed below:
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GumbandConnection MyGumband;
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Initiates the Gumband connection.
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MyGumband.begin();
MyGumband.begin(1);
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Sets the Hardware ID of the Gumband Hardware. This is a unique identifier generated by the Gumband UI. Each separate registered Gumband Hardware device receives its own ID. This ID is required to link Hardware to a specific Exhibit in the Gumband UI.
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void id(const char* id);
Example Usage:
MyGumband.id(16);
MyGumband.id(“16”);
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Set the Gumband master control server username. This must match the username created for this device within the Gumband UI.
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MyGumband.username(“MarlonBando”);
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Set the Gumband master control server password. This must match the password created for this device within the Gumband UI.
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MyGumband.password(“P455W0RD!”);
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Returns ‘1’ if the Hardware has a valid network connection.
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if(MyGumband.connected() == 1) { //Connected to Network }
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Returns ‘1’ if the Hardware has a valid master server connection.
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if(MyGumband.connectedMaster() == 1) { //Connected to Master }
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Returns ‘1’ if the Hardware has a valid Exhibit server connection.
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if(MyGumband.connectedExhibit() == 1) { //Connected to Exhibit }
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Publish a text message to the ‘event’ log.
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MyGumband.event(“An event has occurred!”);
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Publish a text message to the ‘error’ log.
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MyGumband.error(“An error has occurred!”);
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Publish a text message to the ‘debug’ log.
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MyGumband.debug(“Something routine has occurred!”);
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Print data to the Hardware USB serial port.
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MyGumband.print(“Hello World!”);
MyGumband.print(25);
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An instance of a Gumband property or endpoint. An individual instance must exist for every Gumband property in the Exhibit.
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GumbandProperty MyProperty;
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This function creates a named property within a named peripheral container and registers it with the Gumband server so we can publish or subscribe to it. A Gumband instance must first exist before this function will succeed.
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MyProperty.begin(“PeripheralName”, “PropertyName”, gmbnd_button);
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Publish data to the property endpoint.
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MyProperty.publish(values, 5); //values[5] = {3,5,8,1,0}Anchor
Bundles support an AT command set over a serial interface.
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Empty test command, Bundle will respond with “OK” if successfully receiving AT commands.
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Change or initialise Gumband settings.
Syntax:
AT+GBSET=<HardwareId>,<Firmware>
Example Usage:
AT+GBSET=7,10
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Set the Gumband Master server authorization credentials.
Syntax:
AT+GBAUTH=<Username>,<Password>
Example Usage:
AT+GBAUTH=”MarlonBando”,”P455W0RD!”
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Create a Publish or Subscribe Property
Syntax:
AT+GBCREATE=<Pub/Sub>,<Peripheral>,<Property>,<Type>
Example Usage:
AT+GBCREATE=Pub,”Front Panel”,Button,gmbnd_button
AT+GBCREATE=Sub,”Front Panel”,LED,gmbnd_led
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Publish to a Property
Syntax:
AT+GBPUB=<Peripheral>,<Property>,<Data>
Example Usage:
AT+GBDEBUG=”Motor Enabled”
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Publish an Error message.
Syntax:
AT+GBERROR=<Text>
Example Usage:
AT+GBERROR=”Motor Stall Detected!”
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Publish a Debug message.
Syntax:
AT+GBDEBUG=<Text>
Example Usage:
AT+GBDEBUG=”Motor Enabled”
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Publish an Event message.
Syntax:
AT+GBEVENT=<Text>
Example Usage:
AT+GBEVENT=”A user pushed the start button”
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Data from a subscribed property, this command is sent from the device and cannot be written to.
Syntax:
+GBSUB=<Peripheral>,<Property>,<Data>
Example Usage:
AT+GBSUB=”Front Panel”,LED,0x00F0
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Property Type
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Size
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Description
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gmbnd_button
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1 byte
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Momentary Button -
0 = Release
1 = Press
2 = Toggle/Moment
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gmbnd_switch
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1 bool (byte)
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Toggle Switch -
0 = Off
1 = On
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gmbnd_encoder
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4 bytes
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32-bit number
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gmbnd_relay
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1 bool (byte)
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Relay -
0 = Off
1 = On
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gmbnd_pwm
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4 bytes
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PWM Duty Cycle
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gmbnd_led
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2 bytes
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Brightness
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gmbnd_motor_position
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4 bytes
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gmbnd_motor_speed
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4 bytes
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gmbnd_motor_accel
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4 bytes
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gmbnd_step_motor
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4 bytes
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gmbnd_addr_led
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7 bytes
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IARGBW
I = Index (16bit)
A = alpha/brightness
RGBW = Color Bytes
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gmbnd_byte
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1 byte
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Generic 8 bit number
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gmbnd_int32
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4 bytes
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Generic 32 bit number
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