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Ozeki 10
OzStepperMotorMultiController OzStepperMotorMultiController | Example Example

OzSwitchController

Every OzSwitch Controller devicehandler has a single pin. This protocol can set it's own PWM pin to either HIGH or LOW or you can modify the PWM. For example you can control a relay with HIGH or LOW signals or set the brightness of a LED by changing the PWM.

If you connect it to a digital pin with no PWM than a 0-127 PWM value counts as LOW and 128-255 PWM value counts as HIGH state. For example the default pin is D13, which has no PWM capability, although D13 is digital.

How to build a test circuit with a LED and an Arduino Mega?
Arduino codes are included.

I. 'Welcome' message from microcontroller

c=welcome&type=OzSwitchController&id=IqlZci&pos=2&t=3

Parameters

Parameter Type Range Functionality
c String 'welcome' Identifies the welcome message.
type String 'OzSwitchController' Determines the type of the device.
id String 6 characters (numbers, uppercase and lowercase characters) The ID of the device which is chosen by the microcontroller.
pos Byte 0-255 Determines the position of the device on the list of the ID manager of the microcontroller. Please make sure there are no other devices in the same position.
t Byte 0-255 Counts the number of events and responses sent combined. Counts from 0 to 255 then from 0 again.



II. Commands to microcontroller

'Switch On/Off' command

It sets the pin of the switch to a constant HIGH or LOW state. If a PWM signal was set before than this command will disregard it.

Example

//Turn On
c=setswitch&state=1&t=0&id=IqlZci
//Turn Off c=setswitch&state=0&t=1&id=IqlZci

Parameters

Parameter Type Range Functionality
c String 'setswitch' Identifies the command.
state Bool 0,1 0 sets switch to LOW STATE,
1 sets switch to HIGH STATE.
t Byte 0-255 Counts the number of commands sent. Counts from 0 to 255 then from 0 again.
id String 6 characters (numbers, uppercase and lowercase characters) The ID of the device which is chosen by the microcontroller.

Response

//Turn On Response
c=setswitch_resp&state=1&pwm=255&id=IqlZci&t=1
//Turn Off Response c=setswitch_resp&state=0&pwm=255&id=IqlZci&t=2 //'pwm=255' is irrelevant. Only state was changed by command. //And the statechange overwrites the pwm signal.

Parameters

Parameter Type Range Functionality
c String 'setswitch_resp' Identifies the response.
state Bool 0,1 If 0 the switch is set to LOW STATE.
If 1 the switch is set to HIGH STATE.
pwm Byte 0-255 THIS IS IRRELEVANT IN THE CURRENT CASE
(Pulse-Width Modulation value.)
id String 6 characters (numbers, uppercase and lowercase characters) The ID of the device which is chosen by the microcontroller.
t Byte 0-255 Counts the number of events and responses sent combined. Counts from 0 to 255 then from 0 again.



'PWM change' command

If this Switch Controller device is connected to a PWM pin than this command can change the PWM value.

If it is connected to a digital pin with no PWM then it will work as a 'Switch On/Off' command.
In this case 0-127 PWM value counts as LOW and 128-255 PWM value counts as HIGH state.

Example

//Please do not use 'state=...' parameter
//since it overwrites the 'pwm=...' parameter.
c=setswitch&pwm=204&t=2&id=IqlZci

Parameters

Parameter Type Range Functionality
c String 'setswitch' Identifies the command.
pwm Byte 0-255 Pulse-Width Modulation value.
t Byte 0-255 Counts the number of commands sent. Counts from 0 to 255 then from 0 again.
id String 6 characters (numbers, uppercase and lowercase characters) The ID of the device which is chosen by the microcontroller.

Response

//The 'state=...' is irrelevant. Only pwm was changed by command.
//'pwm=255' is equal to pin set to HIGH (state=1)
//'pwm=0' is equal to pin set to LOW (state=0)
c=setswitch_resp&state=0&pwm=204&id=IqlZci&t=3

Parameters

Parameter Type Range Functionality
c String 'setswitch_resp' Identifies the response.
state Bool 0,1 THIS IS IRRELEVANT IN THE CURRENT CASE
(If 0 the switch is set to LOW STATE.
If 1 the switch is set to HIGH STATE.)
pwm Byte 0-255 Pulse-Width Modulation value.
id String 6 characters (numbers, uppercase and lowercase characters) The ID of the device which is chosen by the microcontroller.
t Byte 0-255 Counts the number of events and responses sent combined. Counts from 0 to 255 then from 0 again.



III. Event from microcontroller

None

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