Interface IPlatformOS
Provides an abstraction for OS services such as configuration so that Meadow can operate on different OS's and platforms.
Assembly: Meadow.Contracts.dll
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public interface IPlatformOS : IPowerController
Properties
OSVersion
OS version.
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string OSVersion { get; }
OSBuildDate
OS build date and time.
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string OSBuildDate { get; }
RuntimeVersion
.NET Runtime version install on the device.
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string RuntimeVersion { get; }
RebootOnUnhandledException
Should the system reboot on an exception?
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bool RebootOnUnhandledException { get; }
InitializationTimeout
Number of seconds allowed for the system to initialize.
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uint InitializationTimeout { get; }
AutomaticallyStartNetwork
Should a WiFi connection be made on startup.
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bool AutomaticallyStartNetwork { get; }
SelectedNetwork
Which network is selected in meadow.config.yaml.
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IPlatformOS.NetworkConnectionType SelectedNetwork { get; }
SdStorageSupported
Should SD card support be enabled on this platform?
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bool SdStorageSupported { get; }
ReservedPins
Names of any pins that should be reserved for OS use.
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string ReservedPins { get; }
NtpServers
Gets a list of NTP servers used for time synchronization
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string[] NtpServers { get; }
LaunchArguments
The command line arguments provided when the Meadow application was launched
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string[]? LaunchArguments { get; }
NtpClient
Gets the OS INtpClient instance
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INtpClient NtpClient { get; }
FileSystem
FileSystemInfo property
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IPlatformOS.FileSystemInfo FileSystem { get; }
Methods
GetConfigurationValue<T>(ConfigurationValues)
Get a configuration value, as specified in meadow.config.yaml, from the OS.
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T GetConfigurationValue<T>(IPlatformOS.ConfigurationValues item) where T : struct
Returns
<T>: Value for the specified item.
Parameters
| Type | Name | Description |
|---|---|---|
| Meadow.IPlatformOS.ConfigurationValues | item | Item to retrieve. |
Type Parameters
| Name | Description |
|---|---|
T | Type of the object being retrieved. |
SetConfigurationValue<T>(ConfigurationValues, T)
Send a configuration value to the OS.
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void SetConfigurationValue<T>(IPlatformOS.ConfigurationValues item, T value) where T : struct
Parameters
| Type | Name | Description |
|---|---|---|
| Meadow.IPlatformOS.ConfigurationValues | item | Item to set. |
<T> | value | Value of item. |
Type Parameters
| Name | Description |
|---|---|
T | Type of the object being set. |
GetPublicKeyInPemFormat()
Retrieves the device's public key in PEM format
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string? GetPublicKeyInPemFormat()
Returns
System.String: A public key, including header and footer, or null if none is found### RsaDecrypt(byte[], string)
Performs RSA decryption of a value using the Meadow device certificate.
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byte[] RsaDecrypt(byte[] encryptedValue, string privateKeyPem)
Returns
System.Byte[]: The decrypted value
Parameters
| Type | Name | Description |
|---|---|---|
System.Byte[] | encryptedValue | The value to decrypt |
System.String | privateKeyPem | The private key to use for decryption (in PEM format) |
AesDecrypt(byte[], byte[], byte[])
Performs AES decryption of a value using the Meadow device certificate.
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byte[] AesDecrypt(byte[] encryptedValue, byte[] key, byte[] iv)
Returns
System.Byte[]: The decrypted value
Parameters
| Type | Name | Description |
|---|---|---|
System.Byte[] | encryptedValue | The value to decrypt |
System.Byte[] | key | The key used for encrypting the buffer |
System.Byte[] | iv | The initialization vector to use for decryption |
Initialize(DeviceCapabilities, string[]?)
Initializes platform-specific OS features
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void Initialize(DeviceCapabilities capabilities, string[]? args)
Parameters
| Type | Name | Description |
|---|---|---|
| Meadow.DeviceCapabilities | capabilities | |
System.String[] | args | The command line arguments provided when the Meadow application was launched |
GetCpuTemperature()
Gets the current CPU temperature
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Temperature GetCpuTemperature()
Returns
GetPrimaryDiskSpaceInUse()
Gets the amount of storage space in use on the primary storage device
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DigitalStorage GetPrimaryDiskSpaceInUse()
Returns
GetSerialPortNames()
Gets a list of currently available serial ports
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SerialPortName[] GetSerialPortNames()
Returns
Meadow.Hardware.SerialPortName[]
GetSerialPortName(string)
Finds a platform serial port name by either friendly or system name
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SerialPortName? GetSerialPortName(string portName)
Returns
Meadow.Hardware.SerialPortName
Parameters
| Type | Name |
|---|---|
System.String | portName |
SetClock(DateTime)
Sets the platform OS clock
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void SetClock(DateTime dateTime)
Parameters
| Type | Name |
|---|---|
System.DateTime | dateTime |
GetProcessorUtilization()
Retrieves the current usage (as a percentage in the range of 0-100) for each processor/core
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int[] GetProcessorUtilization()
Returns
System.Int32[]
SetServerCertificateValidationMode(ServerCertificateValidationMode)
Sets the server certificate validation mode for SSL/TLS protocols
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void SetServerCertificateValidationMode(ServerCertificateValidationMode authmode)
Parameters
| Type | Name | Description |
|---|---|---|
| Meadow.ServerCertificateValidationMode | authmode | The validation mode to be set: None for no validation, Optional for facultative validation, |
| Required for mandatory validation |
Exceptions
System.ArgumentException
Thrown when an invalid validation mode is provided
System.Exception
Thrown when there is an error setting the validation mode
GetMemoryAllocationInfo()
Retrieves memory allocation statistics from the OS
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AllocationInfo GetMemoryAllocationInfo()