Adafruit LED Backpack Library
Public Member Functions | List of all members
Adafruit_AlphaNum4 Class Reference

Class for four-digit alphanumeric displays. More...

#include <Adafruit_LEDBackpack.h>

Inheritance diagram for Adafruit_AlphaNum4:
Adafruit_LEDBackpack

Public Member Functions

 Adafruit_AlphaNum4 (void)
 Constructor for four-digit alphanumeric displays.
 
void writeDigitRaw (uint8_t n, uint16_t bitmask)
 Write single character of alphanumeric display as raw bits (not a general print function). More...
 
void writeDigitAscii (uint8_t n, uint8_t ascii, bool dot=false)
 Write single ASCII character to alphanumeric display. More...
 
- Public Member Functions inherited from Adafruit_LEDBackpack
 Adafruit_LEDBackpack (void)
 Constructor for HT16K33 devices.
 
bool begin (uint8_t _addr=0x70, TwoWire *theWire=&Wire)
 Start I2C and initialize display state (blink off, full brightness). More...
 
void setDisplayState (bool state)
 Turn display on or off. More...
 
void setBrightness (uint8_t b)
 Set display brightness. More...
 
void blinkRate (uint8_t b)
 Set display blink rate. More...
 
void writeDisplay (void)
 Issue buffered data in RAM to display.
 
void clear (void)
 Clear display.
 

Additional Inherited Members

- Public Attributes inherited from Adafruit_LEDBackpack
uint16_t displaybuffer [8]
 Raw display data.
 
- Protected Attributes inherited from Adafruit_LEDBackpack
Adafruit_I2CDevice * i2c_dev = NULL
 Pointer to I2C bus interface.
 

Detailed Description

Class for four-digit alphanumeric displays.

Member Function Documentation

◆ writeDigitRaw()

void Adafruit_AlphaNum4::writeDigitRaw ( uint8_t  n,
uint16_t  bitmask 
)

Write single character of alphanumeric display as raw bits (not a general print function).

Parameters
nCharacter index (0-3).
bitmaskSegment bitmask.

◆ writeDigitAscii()

void Adafruit_AlphaNum4::writeDigitAscii ( uint8_t  n,
uint8_t  ascii,
bool  dot = false 
)

Write single ASCII character to alphanumeric display.

Parameters
nCharacter index (0-3).
asciiASCII character.
dotIf true, also light corresponding dot segment.

The documentation for this class was generated from the following files: