Adafruit LED Backpack Library
|
Class for four-digit alphanumeric displays. More...
#include <Adafruit_LEDBackpack.h>
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. | |
Class for four-digit alphanumeric displays.
void Adafruit_AlphaNum4::writeDigitRaw | ( | uint8_t | n, |
uint16_t | bitmask | ||
) |
Write single character of alphanumeric display as raw bits (not a general print function).
n | Character index (0-3). |
bitmask | Segment bitmask. |
void Adafruit_AlphaNum4::writeDigitAscii | ( | uint8_t | n, |
uint8_t | ascii, | ||
bool | dot = false |
||
) |
Write single ASCII character to alphanumeric display.
n | Character index (0-3). |
ascii | ASCII character. |
dot | If true, also light corresponding dot segment. |