Adafruit_SSD1306.cpp File Reference

#include <util/delay.h>
#include "Adafruit_SSD1306.h"
#include "splash.h"
#include <Adafruit_GFX.h>

Macros
#define	pgm_read_byte(addr)   (*(const unsigned char *)(addr))
	PROGMEM workaround for non-AVR.
#define	WIRE_MAX   32
	Use common Arduino core default.
#define	ssd1306_swap(a, b)   (((a) ^= (b)), ((b) ^= (a)), ((a) ^= (b)))
	No-temp-var swap operation.
#define	WIRE_WRITE   wire->send
	Wire write function in older Arduino lib.
#define	SSD1306_SELECT   digitalWrite(csPin, LOW);
	Device select.
#define	SSD1306_DESELECT   digitalWrite(csPin, HIGH);
	Device deselect.
#define	SSD1306_MODE_COMMAND   digitalWrite(dcPin, LOW);
	Command mode.
#define	SSD1306_MODE_DATA   digitalWrite(dcPin, HIGH);
	Data mode.
#define	SETWIRECLOCK
	Dummy stand-in define.
#define	RESWIRECLOCK
	keeps compiler happy
#define	SPI_TRANSACTION_START
	Dummy stand-in define.
#define	SPI_TRANSACTION_END
	keeps compiler happy
#define	TRANSACTION_START
	Wire, SPI or bitbang transfer setup. More...
#define	TRANSACTION_END
	Wire, SPI or bitbang transfer end. More...

Macro Definition Documentation

TRANSACTION_START

#define TRANSACTION_START

Value:

if (wire) {                                                                  \
    SETWIRECLOCK;                                                              \
  } else {                                                                     \
    if (spi) {                                                                 \
      SPI_TRANSACTION_START;                                                   \
    }                                                                          \
    SSD1306_SELECT;                                                            \
  }

Wire, SPI or bitbang transfer setup.

TRANSACTION_END

#define TRANSACTION_END

Value:

if (wire) {                                                                  \
    RESWIRECLOCK;                                                              \
  } else {                                                                     \
    SSD1306_DESELECT;                                                          \
    if (spi) {                                                                 \
      SPI_TRANSACTION_END;                                                     \
    }                                                                          \
  }

Wire, SPI or bitbang transfer end.