Symbol.IO

A strongly-typed resource class, for looking up localized strings, etc.

Returns the cached ResourceManager instance used by this class.

Overrides the current thread's CurrentUICulture property for all resource lookups using this strongly typed resource class.

Looks up a localized string similar to Failure in getting analog input port configuration.

Looks up a localized string similar to Failure in reading analog input port value.

Looks up a localized string similar to Failure in setting analog input port configuration.

Looks up a localized string similar to Failure in getting digital input port configuration.

Looks up a localized string similar to Failure in getting digital input port state.

Looks up a localized string similar to Failure in setting digital input port configuration.

Looks up a localized string similar to Trying to access data after object is disposed.

Looks up a localized string similar to Failure in getting digital output port configuration.

Looks up a localized string similar to Failure in getting digital output port state.

Looks up a localized string similar to Failure in resetting digital output ports.

Looks up a localized string similar to Failure in setting digital output port configuration.

Looks up a localized string similar to Failure in setting digital output port state.

Looks up a localized string similar to Failure in register for notification.

Looks up a localized string similar to Failure in resetting event.

Looks up a localized string similar to Failure in setting event.

Looks up a localized string similar to Failure in getting system input ignition state.

Looks up a localized string similar to Failure in getting system input port state.

Looks up a localized string similar to Failure in getting system input power source type.

Looks up a localized string similar to Failure in unregister for notification.

ResourceManager object to access the string table

Static constructor, initialize access to the string table

Gets a string from the string table

The Symbol.IO class provides access to four different IO subclasses: 1. IO Digital Inputs (DI) 2. IO Digital Outouts (DO) 3. IO System Inputs (SI) 4. IO Analog Inputs (AN)


            // create IO object
            IO m_IO = new IO();   
            
            // accessing DI port 0
            DI.Port m_DIPort0 = m_IO.DI.DIPorts[DI.DI_PORT_NUM.DI_PORT_0];
            
            // accessing DO port 0
            DO.Port m_DOPort0 = m_IO.DO.DOPorts[DO.DO_PORT_NUM.DO_PORT_0];
            
            // accessing SI port “IGNITION”
            SI.Port m_SIPortIgnition = m_IO.SI.SIPorts[SI.SI_PORT_NUM.IO_SI_IGNITION];
            
            // accessing AN port “AMB TEMP”.
            AN.Port m_ANPortAmbTemp = m_IO.AN.ANPorts[AN.AN_PORT_NUM.IO_AMB_TEMP];
            
            // Add a handler for receieving notification
            m_IO.PortEventNotify += new IO.PortEventNotifyHandler(m_IO_PortEventNotify);
            
            // Enabling event notification for the DI port 0
            m_DIPort0.NotifyReceipt = true;
            
            // Change the state of DO port 0 to OPEN
            m_DOPort0.PortState = DO.DO_PORT_STATE.PORT_OPEN;
            
            // Retrieve the state of SI port “IGNITION”
            SI.SI_PORT_STATE m_SIPortState = m_SIPortIgnition.PortState;
            
            // Retrieve the configuration of AN port “AMB TEMP”
            AN.PortConfig m_AN_PortConfig = m_ANPortAmbTemp.GetPortConfig();
            
            // Set the configuration of AN port “AMB TEMP”
            AN.PortConfig m_AN_NewPortConfig = new AN.PortConfig(true, 100, 200, 10);
            m_ANPortAmbTemp.SetPortConfig(m_AN_NewPortConfig);
            
            // Retrieve the value of AN port “AMB TEMP”
            uint value = m_ANPortAmbTemp.PortValue;
            
            //Call dispose
            m_IO.Dispose();


            ' create IO object 
            Dim m_IO As New IO() 
            
            ' accessing DI port 0 
            Dim m_DIPort0 As DI.Port = m_IO.DI.DIPorts(DI.DI_PORT_NUM.DI_PORT_0) 
            
            ' accessing DO port 0 
            Dim m_DOPort0 As DO.Port = m_IO.DO.DOPorts(DO.DO_PORT_NUM.DO_PORT_0) 
            
            ' accessing SI port "IGNITION" 
            Dim m_SIPortIgnition As SI.Port = m_IO.SI.SIPorts(SI.SI_PORT_NUM.IO_SI_IGNITION) 
            
            ' accessing AN port "AMB TEMP". 
            Dim m_ANPortAmbTemp As AN.Port = m_IO.AN.ANPorts(AN.AN_PORT_NUM.IO_AMB_TEMP) 
            
            ' Add a handler for receieving notification 
            AddHandler m_IO.PortEventNotify, AddressOf m_IO_PortEventNotify 
            
            ' Enabling event notification for the DI port 0 
            m_DIPort0.NotifyReceipt = True 
            
            ' Change the state of DO port 0 to OPEN 
            m_DOPort0.PortState = DO.DO_PORT_STATE.PORT_OPEN 
            
            ' Retrieve the state of SI port "IGNITION" 
            Dim m_SIPortState As SI.SI_PORT_STATE = m_SIPortIgnition.PortState 
            
            ' Retrieve the configuration of AN port "AMB TEMP" 
            Dim m_AN_PortConfig As AN.PortConfig = m_ANPortAmbTemp.GetPortConfig() 
            
            ' Set the configuration of AN port "AMB TEMP" 
            Dim m_AN_NewPortConfig As New AN.PortConfig(True, 100, 200, 10) 
            m_ANPortAmbTemp.SetPortConfig(m_AN_NewPortConfig) 
            
            ' Retrieve the value of AN port "AMB TEMP" 
            Dim value As UInteger = m_ANPortAmbTemp.PortValue 
            
            'Call dispose 
            m_IO.Dispose()

The IO constructor. Creates the DI, DO, SI and AN components of the IO system.

Disposes all the resourses allocated by this instance. This method must be called before exiting the application.

IO Destructor

Provides access to the DI (Digital Inputs) component of the IO class. DI provides access to 8 general purpose external input ports and allows accessing the individual port configuration and state.

Provides access to the DO (Digital Outputs) component of the IO class. DO provides access to 8 general purpose external output ports and allows accessing the individual port configuration and state.

Provides access to the SI (System Inputs) component of the IO class. SI provides the ability to retrieve IO related system information like vehicle ignition state and device power source type. It gives access to 8 ports and allows accessing the individual port state.

Provides access to the AN (Analog Inputs) component of the IO class. AN provides access to 8 general purpose external analog ports and allows accessing the individual port configuration and value.

Attach to this notification event to be called back when a predefined IO port event occurs (Error, State Change or Analog value threshold).

The source of the event. Port information such as type and number.

Port information such as type and number to be passed as an argument in the PortEventNotifyHandler event notification.

Port information such as port type and number.

Port information such as port type and number to be passed to the application during the event notification.

Provdes the port type such as DI, DO, SI and AN

Provdes the port number of the port as specified in the PortType

OperationFailureException is thrown when a failure that could stop the proper functioning of the class library is encountered.

OperationFailureException constructor with settable string and results enum.

A string the contains information about the exception. A Results enumerated type that contains information about the exception.

The IOResults associated with the exception.

An integer result that contains information about what caused the exception.

Defines the possible result codes of the IO assembly.

Function succeeded

Failed because already initialized

Failed to create an event

Failed to create a thread

Not enough memory

Failed because not initialized

Invalid Device context

Invalid open context

Failed to read registry value

Failed to open registry key

Invalid IO Control parameter

A NULL pointer error

Bad STRUCT_INFO parameter

Required IoCtl parameter is missing

Buffer too small

Missing field

Invalid handle

Invalid parameter

Invalid device name

Not supported

Invalid Config type

An exception occurred

A WIN32 error occurred, check GetLastError()

Output timeout

Write command failed

Read command failed

Invalid type

Create object failed

Initialized object failed

Error in SPI

Request IRQ error

Unknown power source

Provides access to the AN (Analog Inputs) component of the IO class. AN provides access to 8 analog input ports and allows accessing the individual port configuration and value.

Provides access to the analog input ports and allows accessing the individual port configuration and value.


            // accessing AN port “AMB TEMP”.
            AN.Port m_ANPortAmbTemp = m_IO.AN.ANPorts[AN.AN_PORT_NUM.IO_AMB_TEMP];


            ' accessing AN port "AMB TEMP". 
            Dim m_ANPortAmbTemp As AN.Port = m_IO.AN.ANPorts(AN.AN_PORT_NUM.IO_AMB_TEMP)

Provides access to the analog input ports and allows accessing the individual port configuration and value.

Provides access to the analog input port and allows accessing the port configuration and value.

Port number An object of Port class

Provides the number of ports supported by the AN class

Provides access to the analog input port and allows accessing the port configuration and value. Also allows to enable the event notification for a particular port when the event notification handler is attached in the IO class

Retrieves the configuration parameters of a port such as Wakeup, MinThresholdVal, MaxThresholdVal and Debounce.

A PortConfig object which provides the configuration parameters


            // accessing AN port “AMB TEMP”.
            AN.Port m_ANPortAmbTemp = m_IO.AN.ANPorts[AN.AN_PORT_NUM.IO_AMB_TEMP];
            
            // Retrieve the configuration of AN port “AMB TEMP”
            AN.PortConfig m_AN_PortConfig = m_ANPortAmbTemp.GetPortConfig();


            ' accessing AN port "AMB TEMP". 
            Dim m_ANPortAmbTemp As AN.Port = m_IO.AN.ANPorts(AN.AN_PORT_NUM.IO_AMB_TEMP) 
            
            ' Retrieve the configuration of AN port "AMB TEMP" 
            Dim m_AN_PortConfig As AN.PortConfig = m_ANPortAmbTemp.GetPortConfig()

Sets the configuration parameters of a port such as Wakeup, MinThresholdVal, MaxThresholdVal and Debounce.

A PortConfig object which contains the configuration parameters


            // accessing AN port “AMB TEMP”.
            AN.Port m_ANPortAmbTemp = m_IO.AN.ANPorts[AN.AN_PORT_NUM.IO_AMB_TEMP];
            
            // Set the configuration of AN port “AMB TEMP”
            AN.PortConfig m_AN_NewPortConfig = new AN.PortConfig(true, 100, 200, 10);
            m_ANPortAmbTemp.SetPortConfig(m_AN_NewPortConfig);


            ' accessing AN port “AMB TEMP”. 
            Dim m_ANPortAmbTemp As AN.Port = m_IO.AN.ANPorts(AN.AN_PORT_NUM.IO_AMB_TEMP) 
            
            ' Set the configuration of AN port “AMB TEMP” 
            Dim m_AN_NewPortConfig As New AN.PortConfig(True, 100, 200, 10) 
            m_ANPortAmbTemp.SetPortConfig(m_AN_NewPortConfig)

Enables or disables the event notification for a particular port when the event notification handler is attached in the IO class

Specifies the number of a port

Retrieves the value of the port.

Provides access to the configuration parameters of a port such as Wakeup, MinThresholdVal, MaxThresholdVal and Debounce.

PortConfig constructor

Specify Wakeup port configuration parameter Specify MinThresholdVal port configuration parameter Specify MaxThresholdVal port configuration parameter Specify Debounce port configuration parameter

Provides specific analog input port to wake up the device on change of port state

Define the Minimum threshold of a "notification area". Entering or exiting this area (that is, crossing the minimum/maximum threshold port value) will generate notification, provided the event notification is enabled for the particular port.

Define the Maximum threshold of a "notification area". Entering or exiting this area (that is, crossing the minimum/maximum threshold port value) will generate notification, provided the event notification is enabled for the particular port.

Defines the duration the analog input value should remain stable (within the notification criteria), before the notification event is fired. Debounce is in 100 milliseconds resolution and can be set to a range of 0 to 63, hence providing 0 to 6.3 seconds de-bounce time. (e.g., Debounce equal to 10 provides 1 second Debounce time)

Supported analog input ports

General purpose input voltage

Vehicle battery Voltage

Vehicle battery input current

Internal measurement Reserved for system usage

Ambient temperature

Device Internal Heater temperature

Provides access to the DO (Digital Outputs) component of the IO class. DO provides access to 8 general purpose external output ports and allows accessing the individual port configuration and state.

Provides access to the external output ports and allows accessing the individual port configuration and state.


            // accessing DO port 0
            DO.Port m_DOPort0 = m_IO.DO.DOPorts[DO.DO_PORT_NUM.DO_PORT_0];


            ' accessing DO port 0 
            Dim m_DOPort0 As DO.Port = m_IO.DO.DOPorts(DO.DO_PORT_NUM.DO_PORT_0)

Provides access to the external output ports and allows accessing the individual port configuration and state.

Resets all ports supported by DO class.

Provides access to the external output port and allows accessing the port configuration and state.

Port number An object of Port class

Provides the number of ports supported by the DO class

Provides access to the external output port and allows accessing the port configuration and state.

Retrieves the configuration parameters of a port such as AfterWarmBootState and AfterColdBootState.

A PortConfig object which provides the configuration parameters


            // accessing DO port 0
            DO.Port m_DOPort0 = m_IO.DO.DOPorts[DO.DO_PORT_NUM.DO_PORT_0];
            
            // Retrieve the configuration of DO port 0
            DO.PortConfig m_DO_PortConfig = m_DOPort0.GetPortConfig();


            ' accessing DO port 0 
            Dim m_DOPort0 As DO.Port = m_IO.DO.DOPorts(DO.DO_PORT_NUM.DO_PORT_0) 
            
            ' Retrieve the configuration of DO port 0 
            Dim m_DO_PortConfig As DO.PortConfig = m_DOPort0.GetPortConfig()

Sets the configuration parameters of a port such as AfterWarmBootState and AfterColdBootState.

A PortConfig object which contains the configuration parameters


            // accessing DO port 0
            DO.Port m_DOPort0 = m_IO.DO.DOPorts[DO.DO_PORT_NUM.DO_PORT_0];
            
            // Set the configuration of DO port 0
            DO.PortConfig m_DO_PortConfig = new DO.PortConfig(DO_BOOT_STATE.PORT_BOOT_STATE_0, DO_BOOT_STATE.PORT_BOOT_STATE_0);
            m_DOPort0.SetPortConfig(m_DO_PortConfig);


            ' accessing DO port 0 
            Dim m_DOPort0 As DO.Port = m_IO.DO.DOPorts(DO.DO_PORT_NUM.DO_PORT_0) 
            
            ' Set the configuration of DO port 0 
            Dim m_DO_PortConfig As New DO.PortConfig(DO_BOOT_STATE.PORT_BOOT_STATE_0, DO_BOOT_STATE.PORT_BOOT_STATE_0) 
            m_DOPort0.SetPortConfig(m_DO_PortConfig)

Specifies the number of a port

Retrieves or changes the status of the port.


             // accessing DO port 0
            DO.Port m_DOPort0 = m_IO.DO.DOPorts[DO.DO_PORT_NUM.DO_PORT_0];
            
            // Retrieve the state of DO port 0
            DO.DO_PORT_STATE m_DOPortState = m_DOPort0.PortState;
            
            // Changing the state of DO port 0
            m_DOPort0.PortState = DO.DO_PORT_STATE.PORT_OPEN;


            ' accessing DO port 0 
            Dim m_DOPort0 As DO.Port = m_IO.DO.DOPorts(DO.DO_PORT_NUM.DO_PORT_0) 
            
            ' Retrieve the state of DO port 0 
            Dim m_DOPortState As DO.DO_PORT_STATE = m_DOPort0.PortState 
            
            ' Changing the state of DO port 0 
            m_DOPort0.PortState = DO.DO_PORT_STATE.PORT_OPEN

Provides access to the configuration parameters of a port such as AfterWarmBootState and AfterColdBootState.

PortConfig constructor.

Specify AfterWarmBootState port configuration parameter Specify AfterColdBootState port configuration parameter

Provides the state of the port after device warm Boot

Provides the state of the port after device cold Boot

Supported digital output ports

Digital output port 0

Digital output port 1

Digital output port 2

Digital output port 3

Digital output port 4

Digital output port 5

Digital output port 6

Digital output port 7

Different states of the DO port.

Port is closed.

Port is open.

Types of IO ports

Digital Input

Digital Output

Analog Input

System Input

Defines digital output port boot configuration

Force '0' on the Digital output port after device boot

Force '1' on the Digital output port after device boot

Restore the Digital output state as it was before the device boot

Provides access to the system input ports and allows accessing the individual port state.


            // accessing SI port “IGNITION”
            SI.Port m_SIPortIgnition = m_IO.SI.SIPorts[SI.SI_PORT_NUM.IO_SI_IGNITION];


            ' accessing SI port "IGNITION" 
            Dim m_SIPortIgnition As SI.Port = m_IO.SI.SIPorts(SI.SI_PORT_NUM.IO_SI_IGNITION)

Retrives the vehicle's current ignition state.

Retrieves the power source type that is currently feeding the device.

Provides access to the system input ports and allows accessing the individual port state.

Provides access to the system input port and allows accessing the port state.

Port number An object of Port class

Provides the number of ports supported by the SI class

Provides access to the system input port and allows accessing the port state. Also allows to enable the event notification for a particular port when the event notification handler is attached in the IO class

Enables or disables the event notification for a particular port when the event notification handler is attached in the IO class

Specifies the number of a port

Specifies the status of the port.


            // accessing SI port “IGNITION”
            SI.Port m_SIPortIgnition = m_IO.SI.SIPorts[SI.SI_PORT_NUM.IO_SI_IGNITION];
            
            // Retrieve the state of SI port “IGNITION”
            SI.SI_PORT_STATE m_SIPortState = m_SIPortIgnition.PortState;


            ' accessing SI port "IGNITION" 
            Dim m_SIPortIgnition As SI.Port = m_IO.SI.SIPorts(SI.SI_PORT_NUM.IO_SI_IGNITION) 
            
            ' Retrieve the state of SI port "IGNITION" 
            Dim m_SIPortState As SI.SI_PORT_STATE = m_SIPortIgnition.PortState

Supported system input ports

System input port for ingnition

System input port for battery door

System input port for SIM door

System input port for SIM heater

System input reserved port

System input port for power source 1

System input port for power source 2

Different states of the SI port.

Port state is ON.

Port state is OFF.

Supported power source types for the device

Car battery power source

Wall adapter power source

Cigarette lighter power source

Provides access to the DI (Digital Inputs) component of the IO class. DI provides access to 8 general purpose external input ports and allows accessing the individual port configuration and state.

Provides access to the external input ports and allows accessing the individual port configuration and state.


            // accessing DI port 0
            DI.Port m_DIPort0 = m_IO.DI.DIPorts[DI.DI_PORT_NUM.DI_PORT_0];


            ' accessing DI port 0 
            Dim m_DIPort0 As DI.Port = m_IO.DI.DIPorts(DI.DI_PORT_NUM.DI_PORT_0)

Provides access to the external input ports and allows accessing the individual port configuration and state.

Provides access to the external input port and allows accessing the port configuration and state.

Port number An object of Port class

Provides the number of ports supported by the DI class

Provides access to the external input port and allows accessing the port configuration and state. Also allows to enable the event notification for a particular port when the event notification handler is attached in the IO class

Retrieves the configuration parameters of a port such as WakeupState and SwitchBatteryGround.

A PortConfig object which provides the configuration parameters


            // accessing DI port 0
            DI.Port m_DIPort0 = m_IO.DI.DIPorts[DI.DI_PORT_NUM.DI_PORT_0];
            
            // Retrieve the configuration of DI port 0
            DI.PortConfig m_DI_PortConfig = m_DIPort0.GetPortConfig();


            ' accessing DI port 0 
            Dim m_DIPort0 As DI.Port = m_IO.DI.DIPorts(DI.DI_PORT_NUM.DI_PORT_0) 
            
            ' Retrieve the configuration of DI port 0 
            Dim m_DI_PortConfig As DI.PortConfig = m_DIPort0.GetPortConfig()

Sets the configuration parameters of a port such as WakeupState and SwitchBatteryGround.

A PortConfig object which contains the configuration parameters


            // accessing DI port 0
            DI.Port m_DIPort0 = m_IO.DI.DIPorts[DI.DI_PORT_NUM.DI_PORT_0];
            
            // Set the configuration of DI port 0
            DI.PortConfig m_DI_PortConfig = new DI.PortConfig(1, 0);
            m_DIPort0.SetPortConfig(m_DI_PortConfig);


            ' accessing DI port 0 
            Dim m_DIPort0 As DI.Port = m_IO.DI.DIPorts(DI.DI_PORT_NUM.DI_PORT_0) 
            
            ' Set the configuration of DI port 0 
            Dim m_DI_PortConfig As New DI.PortConfig(1, 0) 
            m_DIPort0.SetPortConfig(m_DI_PortConfig)

Enables or disables the event notification for a particular port when the event notification handler is attached in the IO class

Specifies the number of a port

Specifies the status of the port.


            // accessing DI port 0
            DI.Port m_DIPort0 = m_IO.DI.DIPorts[DI.DI_PORT_NUM.DI_PORT_0];
            
            // Retrieve the state of DI port 0
            DI.DI_PORT_STATE m_DIPortState = m_DIPort0.PortState;


            ' accessing DI port 0 
            Dim m_DIPort0 As DI.Port = m_IO.DI.DIPorts(DI.DI_PORT_NUM.DI_PORT_0) 
            
            ' Retrieve the state of DI port 0 
            Dim m_DIPortState As DI.DI_PORT_STATE = m_DIPort0.PortState

Provides access to the configuration parameters of a port such as WakeupState and SwitchBatteryGround.

PortConfig Constructor.

Specify WakeupState port configuration parameter Specify SwitchBatteryGround port configuration parameter

Provides specific digital input port to wake up the device on change of port State

Provides program specific digital input port to read switch-to-ground or switch-to-battery contacts.

Supported digital input ports

Digital input port 0

Digital input port 1

Digital input port 2

Digital input port 3

Digital input port 4

Digital input port 5

Digital input port 6

Digital input port 7

Different states of the DI port.

Port is closed.

Port is open.