Class Ht16k33
Represents an Ht16k33 128 led driver and 39 key scanner
Assembly: Ht16k33.dll
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Declaration
public class Ht16k33 : II2cPeripheral
Implements:
Meadow.Hardware.II2cPeripheral
Properties
DefaultI2cAddress
The default I2C address for the peripheral
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Declaration
public byte DefaultI2cAddress { get; }
Fields
i2cComms
I2C Communication bus used to communicate with the peripheral
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Declaration
protected readonly II2cCommunications i2cComms
Methods
Set14SegmentMessage(string)
Set a message on a 14-segment display array
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Declaration
public void Set14SegmentMessage(string message)
Parameters
| Type | Name | Description |
|---|---|---|
System.String | message | The message (up to 4 characters) |
Set14SegmentDisplay(char, int)
Set a single 14-segment display to a specific character
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Declaration
public void Set14SegmentDisplay(char character, int displayIndex)
Parameters
| Type | Name | Description |
|---|---|---|
System.Char | character | The ASCII character |
System.Int32 | displayIndex | The display index (0-3) |
SetIsAwake(bool)
Set controller to awake / asleep
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Declaration
public void SetIsAwake(bool awake)
Parameters
| Type | Name | Description |
|---|---|---|
System.Boolean | awake | Awake if true |
SetDisplayOn(bool)
Set display on or off
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Declaration
public void SetDisplayOn(bool isOn)
Parameters
| Type | Name | Description |
|---|---|---|
System.Boolean | isOn | On if true |
SetBlinkRate(BlinkRate)
Set display blink rate
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Declaration
public void SetBlinkRate(Ht16k33.BlinkRate blinkRate)
Parameters
| Type | Name | Description |
|---|---|---|
| Meadow.Foundation.ICs.IOExpanders.Ht16k33.BlinkRate | blinkRate | The blink rate as a byte |
SetBrightness(Brightness)
Set display brightness
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Declaration
public void SetBrightness(Ht16k33.Brightness brightness)
Parameters
| Type | Name | Description |
|---|---|---|
| Meadow.Foundation.ICs.IOExpanders.Ht16k33.Brightness | brightness | The brightness |
ClearDisplay()
Clear the display
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Declaration
public void ClearDisplay()
UpdateDisplay()
Refresh the display
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Declaration
public void UpdateDisplay()
SetLed(byte, bool)
Set an individual led on or off
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Declaration
public void SetLed(byte ledIndex, bool ledOn)
Parameters
| Type | Name | Description |
|---|---|---|
System.Byte | ledIndex | The led index |
System.Boolean | ledOn | True for on |
Exceptions
System.IndexOutOfRangeException
Throws if the index is out of range
ToggleLed(byte)
Toggle an led on or off
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Declaration
public void ToggleLed(byte ledIndex)
Parameters
| Type | Name | Description |
|---|---|---|
System.Byte | ledIndex | The led index |
IsLedOn(int)
Is led at index on
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Declaration
public bool IsLedOn(int ledIndex)
Returns
System.Boolean: True if on
Parameters
| Type | Name | Description |
|---|---|---|
System.Int32 | ledIndex | The led index |
Implements
Meadow.Hardware.II2cPeripheral