Adafruit_SSD1306のミニ化のテスト1(SPIなし)
xインクルドファイルのわかる人むけ
目的
俺の考えた最強のhhを作る
OLED_SSD1306_BITMAP_TEST_DV33_UNO
//OLED_SSD1331_BITMAP_TEST1_UNO
//ヘッダーファイル
#include <Wire.h>
#include <Adafruit_GFX.h>
//#include <Adafruit_SSD1306.h>
#include "hh.h"
//定義
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
hh_Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET, 400000UL, 100000UL);
// ビットマップデータ
uint8_t databytes[8] =
{
0b01100110,
0b10101111,
0b10111111,
0b11011111,
0b01111110,
0b01111110,
0b00111100,
0b00011000
};
//初期化
void setup() {
// I2Cアドレスは使用するディスプレイに合わせて変更する
display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS);
}//setup
//メインループ
void loop() {
// 画面表示をクリア
display.clearDisplay();
//ビットマップの表示
display.drawBitmap(0, 0, databytes, 8, 8, WHITE);
// 描画バッファの内容を画面に表示
display.display();
delay(1000); //1秒待つ
}//loop
hh.cpp
#ifdef __AVR__
#include <avr/pgmspace.h>
#elif defined(ESP8266) || defined(ESP32) || defined(ARDUINO_ARCH_RP2040)
#include <pgmspace.h>
#else
#define pgm_read_byte(addr) \
(*(const unsigned char *)(addr)) ///< PROGMEM workaround for non-AVR
#endif
#if !defined(__ARM_ARCH) && !defined(ENERGIA) && !defined(ESP8266) && \
!defined(ESP32) && !defined(__arc__)
#include <util/delay.h>
#endif
//#include "Adafruit_SSD1306.h"
#include "hh.h"
#include <Adafruit_GFX.h>
// SOME DEFINES AND STATIC VARIABLES USED INTERNALLY -----------------------
#if defined(I2C_BUFFER_LENGTH)
#define WIRE_MAX min(256, I2C_BUFFER_LENGTH) ///< Particle or similar Wire lib
#elif defined(BUFFER_LENGTH)
#define WIRE_MAX min(256, BUFFER_LENGTH) ///< AVR or similar Wire lib
#elif defined(SERIAL_BUFFER_SIZE)
#define WIRE_MAX \
min(255, SERIAL_BUFFER_SIZE - 1) ///< Newer Wire uses RingBuffer
#else
#define WIRE_MAX 32 ///< Use common Arduino core default
#endif
#define ssd1306_swap(a, b) \
(((a) ^= (b)), ((b) ^= (a)), ((a) ^= (b))) ///< No-temp-var swap operation
#if ARDUINO >= 100
#define WIRE_WRITE wire->write ///< Wire write function in recent Arduino lib
#else
#define WIRE_WRITE wire->send ///< Wire write function in older Arduino lib
#endif
#ifdef HAVE_PORTREG
#define SSD1306_SELECT *csPort &= ~csPinMask; ///< Device select
#define SSD1306_DESELECT *csPort |= csPinMask; ///< Device deselect
#define SSD1306_MODE_COMMAND *dcPort &= ~dcPinMask; ///< Command mode
#define SSD1306_MODE_DATA *dcPort |= dcPinMask; ///< Data mode
#else
#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
#endif
#if (ARDUINO >= 157) && !defined(ARDUINO_STM32_FEATHER)
#define SETWIRECLOCK wire->setClock(wireClk) ///< Set before I2C transfer
#define RESWIRECLOCK wire->setClock(restoreClk) ///< Restore after I2C xfer
#else // setClock() is not present in older Arduino Wire lib (or WICED)
#define SETWIRECLOCK ///< Dummy stand-in define
#define RESWIRECLOCK ///< keeps compiler happy
#endif
#if defined(SPI_HAS_TRANSACTION)
#define SPI_TRANSACTION_START spi->beginTransaction(spiSettings) ///< Pre-SPI
#define SPI_TRANSACTION_END spi->endTransaction() ///< Post-SPI
#else // SPI transactions likewise not present in older Arduino SPI lib
#define SPI_TRANSACTION_START ///< Dummy stand-in define
#define SPI_TRANSACTION_END ///< keeps compiler happy
#endif
// Check first if Wire, then hardware SPI, then soft SPI:
#define TRANSACTION_START if(wire){SETWIRECLOCK;}
#define TRANSACTION_END if(wire){RESWIRECLOCK;}
hh_Adafruit_SSD1306::hh_Adafruit_SSD1306(uint8_t w, uint8_t h, TwoWire *twi,
int8_t rst_pin, uint32_t clkDuring,
uint32_t clkAfter)
: Adafruit_GFX(w, h), spi(NULL), wire(twi ? twi : &Wire), buffer(NULL),
mosiPin(-1), clkPin(-1), dcPin(-1), csPin(-1), rstPin(rst_pin)
#if ARDUINO >= 157
,
wireClk(clkDuring), restoreClk(clkAfter)
#endif
{
}
hh_Adafruit_SSD1306::~hh_Adafruit_SSD1306(void) {
if (buffer) {
free(buffer);
buffer = NULL;
}
}
void hh_Adafruit_SSD1306::ssd1306_command1(uint8_t c) {
wire->beginTransmission(i2caddr);
WIRE_WRITE((uint8_t)0x00); // Co = 0, D/C = 0
WIRE_WRITE(c);
wire->endTransmission();
}//ssd1306_command1
void hh_Adafruit_SSD1306::ssd1306_commandList(const uint8_t *c, uint8_t n) {
wire->beginTransmission(i2caddr);
WIRE_WRITE((uint8_t)0x00); // Co = 0, D/C = 0
uint16_t bytesOut = 1;
while (n--) {
if (bytesOut >= WIRE_MAX) {
wire->endTransmission();
wire->beginTransmission(i2caddr);
WIRE_WRITE((uint8_t)0x00); // Co = 0, D/C = 0
bytesOut = 1;
}
WIRE_WRITE(pgm_read_byte(c++));
bytesOut++;
}
wire->endTransmission();
}//ssd1306_commandList
void hh_Adafruit_SSD1306::ssd1306_command(uint8_t c) {
TRANSACTION_START
ssd1306_command1(c);
TRANSACTION_END
}
bool hh_Adafruit_SSD1306::begin(uint8_t vcs, uint8_t addr, bool reset,
bool periphBegin) {
if ((!buffer) && !(buffer = (uint8_t *)malloc(WIDTH * ((HEIGHT + 7) / 8))))
return false;
clearDisplay();
vccstate = vcs;
// Setup pin directions
// If I2C address is unspecified, use default
// (0x3C for 32-pixel-tall displays, 0x3D for all others).
i2caddr = addr ? addr : ((HEIGHT == 32) ? 0x3C : 0x3D);
// TwoWire begin() function might be already performed by the calling
// function if it has unusual circumstances (e.g. TWI variants that
// can accept different SDA/SCL pins, or if two SSD1306 instances
// with different addresses -- only a single begin() is needed).
if (periphBegin)
wire->begin();
// Reset SSD1306 if requested and reset pin specified in constructor
if (reset && (rstPin >= 0)) {
pinMode(rstPin, OUTPUT);
digitalWrite(rstPin, HIGH);
delay(1); // VDD goes high at start, pause for 1 ms
digitalWrite(rstPin, LOW); // Bring reset low
delay(10); // Wait 10 ms
digitalWrite(rstPin, HIGH); // Bring out of reset
}
TRANSACTION_START
// Init sequence
static const uint8_t PROGMEM init1[] = {SSD1306_DISPLAYOFF, // 0xAE
SSD1306_SETDISPLAYCLOCKDIV, // 0xD5
0x80, // the suggested ratio 0x80
SSD1306_SETMULTIPLEX}; // 0xA8
ssd1306_commandList(init1, sizeof(init1));
ssd1306_command1(HEIGHT - 1);
static const uint8_t PROGMEM init2[] = {SSD1306_SETDISPLAYOFFSET, // 0xD3
0x0, // no offset
SSD1306_SETSTARTLINE | 0x0, // line #0
SSD1306_CHARGEPUMP}; // 0x8D
ssd1306_commandList(init2, sizeof(init2));
ssd1306_command1((vccstate == SSD1306_EXTERNALVCC) ? 0x10 : 0x14);
static const uint8_t PROGMEM init3[] = {SSD1306_MEMORYMODE, // 0x20
0x00, // 0x0 act like ks0108
SSD1306_SEGREMAP | 0x1,
SSD1306_COMSCANDEC};
ssd1306_commandList(init3, sizeof(init3));
uint8_t comPins = 0x02;
contrast = 0x8F;
if ((WIDTH == 128) && (HEIGHT == 32)) {
comPins = 0x02;
contrast = 0x8F;
} else if ((WIDTH == 128) && (HEIGHT == 64)) {
comPins = 0x12;
contrast = (vccstate == SSD1306_EXTERNALVCC) ? 0x9F : 0xCF;
} else if ((WIDTH == 96) && (HEIGHT == 16)) {
comPins = 0x2; // ada x12
contrast = (vccstate == SSD1306_EXTERNALVCC) ? 0x10 : 0xAF;
} else {
// Other screen varieties -- TBD
}
ssd1306_command1(SSD1306_SETCOMPINS);
ssd1306_command1(comPins);
ssd1306_command1(SSD1306_SETCONTRAST);
ssd1306_command1(contrast);
ssd1306_command1(SSD1306_SETPRECHARGE); // 0xd9
ssd1306_command1((vccstate == SSD1306_EXTERNALVCC) ? 0x22 : 0xF1);
static const uint8_t PROGMEM init5[] = {
SSD1306_SETVCOMDETECT, // 0xDB
0x40,
SSD1306_DISPLAYALLON_RESUME, // 0xA4
SSD1306_NORMALDISPLAY, // 0xA6
SSD1306_DEACTIVATE_SCROLL,
SSD1306_DISPLAYON}; // Main screen turn on
ssd1306_commandList(init5, sizeof(init5));
TRANSACTION_END
return true; // Success
}
void hh_Adafruit_SSD1306::drawPixel(int16_t x, int16_t y, uint16_t color) {
if ((x >= 0) && (x < width()) && (y >= 0) && (y < height())) {
// Pixel is in-bounds. Rotate coordinates if needed.
switch (getRotation()) {
case 1:
ssd1306_swap(x, y);
x = WIDTH - x - 1;
break;
case 2:
x = WIDTH - x - 1;
y = HEIGHT - y - 1;
break;
case 3:
ssd1306_swap(x, y);
y = HEIGHT - y - 1;
break;
}
switch (color) {
case SSD1306_WHITE:
buffer[x + (y / 8) * WIDTH] |= (1 << (y & 7));
break;
case SSD1306_BLACK:
buffer[x + (y / 8) * WIDTH] &= ~(1 << (y & 7));
break;
case SSD1306_INVERSE:
buffer[x + (y / 8) * WIDTH] ^= (1 << (y & 7));
break;
}
}
}
void hh_Adafruit_SSD1306::clearDisplay(void) {
memset(buffer, 0, WIDTH * ((HEIGHT + 7) / 8));
}
bool hh_Adafruit_SSD1306::getPixel(int16_t x, int16_t y) {
if ((x >= 0) && (x < width()) && (y >= 0) && (y < height())) {
// Pixel is in-bounds. Rotate coordinates if needed.
switch (getRotation()) {
case 1:
ssd1306_swap(x, y);
x = WIDTH - x - 1;
break;
case 2:
x = WIDTH - x - 1;
y = HEIGHT - y - 1;
break;
case 3:
ssd1306_swap(x, y);
y = HEIGHT - y - 1;
break;
}
return (buffer[x + (y / 8) * WIDTH] & (1 << (y & 7)));
}
return false; // Pixel out of bounds
}
uint8_t *hh_Adafruit_SSD1306::getBuffer(void) { return buffer; }
void hh_Adafruit_SSD1306::display(void) {
TRANSACTION_START
static const uint8_t PROGMEM dlist1[] = {
SSD1306_PAGEADDR,
0, // Page start address
0xFF, // Page end (not really, but works here)
SSD1306_COLUMNADDR, 0}; // Column start address
ssd1306_commandList(dlist1, sizeof(dlist1));
ssd1306_command1(WIDTH - 1); // Column end address
#if defined(ESP8266)
// ESP8266 needs a periodic yield() call to avoid watchdog reset.
// With the limited size of SSD1306 displays, and the fast bitrate
// being used (1 MHz or more), I think one yield() immediately before
// a screen write and one immediately after should cover it. But if
// not, if this becomes a problem, yields() might be added in the
// 32-byte transfer condition below.
yield();
#endif
uint16_t count = WIDTH * ((HEIGHT + 7) / 8);
uint8_t *ptr = buffer;
wire->beginTransmission(i2caddr);
WIRE_WRITE((uint8_t)0x40);
uint16_t bytesOut = 1;
while (count--) {
if (bytesOut >= WIRE_MAX) {
wire->endTransmission();
wire->beginTransmission(i2caddr);
WIRE_WRITE((uint8_t)0x40);
bytesOut = 1;
}
WIRE_WRITE(*ptr++);
bytesOut++;
}
wire->endTransmission();
TRANSACTION_END
#if defined(ESP8266)
yield();
#endif
}//display
hh.h
#ifndef _Adafruit_SSD1306_H_
#define _Adafruit_SSD1306_H_
#define SSD1306_128_32 ///< DEPRECATED: old way to specify 128x32 screen
#if defined(ARDUINO_STM32_FEATHER)
typedef class HardwareSPI SPIClass;
#endif
#include <Adafruit_GFX.h>
#include <SPI.h>
#include <Wire.h>
#if defined(__AVR__)
typedef volatile uint8_t PortReg;
typedef uint8_t PortMask;
#define HAVE_PORTREG
#elif defined(__SAM3X8E__)
typedef volatile RwReg PortReg;
typedef uint32_t PortMask;
#define HAVE_PORTREG
#elif (defined(__arm__) || defined(ARDUINO_FEATHER52)) && \
!defined(ARDUINO_ARCH_MBED) && !defined(ARDUINO_ARCH_RP2040)
typedef volatile uint32_t PortReg;
typedef uint32_t PortMask;
#define HAVE_PORTREG
#endif
/// The following "raw" color names are kept for backwards client compatability
/// They can be disabled by predefining this macro before including the Adafruit
/// header client code will then need to be modified to use the scoped enum
/// values directly
#ifndef NO_ADAFRUIT_SSD1306_COLOR_COMPATIBILITY
#define BLACK SSD1306_BLACK ///< Draw 'off' pixels
#define WHITE SSD1306_WHITE ///< Draw 'on' pixels
#define INVERSE SSD1306_INVERSE ///< Invert pixels
#endif
/// fit into the SSD1306_ naming scheme
#define SSD1306_BLACK 0 ///< Draw 'off' pixels
#define SSD1306_WHITE 1 ///< Draw 'on' pixels
#define SSD1306_INVERSE 2 ///< Invert pixels
#define SSD1306_MEMORYMODE 0x20 ///< See datasheet
#define SSD1306_COLUMNADDR 0x21 ///< See datasheet
#define SSD1306_PAGEADDR 0x22 ///< See datasheet
#define SSD1306_SETCONTRAST 0x81 ///< See datasheet
#define SSD1306_CHARGEPUMP 0x8D ///< See datasheet
#define SSD1306_SEGREMAP 0xA0 ///< See datasheet
#define SSD1306_DISPLAYALLON_RESUME 0xA4 ///< See datasheet
#define SSD1306_DISPLAYALLON 0xA5 ///< Not currently used
#define SSD1306_NORMALDISPLAY 0xA6 ///< See datasheet
#define SSD1306_INVERTDISPLAY 0xA7 ///< See datasheet
#define SSD1306_SETMULTIPLEX 0xA8 ///< See datasheet
#define SSD1306_DISPLAYOFF 0xAE ///< See datasheet
#define SSD1306_DISPLAYON 0xAF ///< See datasheet
#define SSD1306_COMSCANINC 0xC0 ///< Not currently used
#define SSD1306_COMSCANDEC 0xC8 ///< See datasheet
#define SSD1306_SETDISPLAYOFFSET 0xD3 ///< See datasheet
#define SSD1306_SETDISPLAYCLOCKDIV 0xD5 ///< See datasheet
#define SSD1306_SETPRECHARGE 0xD9 ///< See datasheet
#define SSD1306_SETCOMPINS 0xDA ///< See datasheet
#define SSD1306_SETVCOMDETECT 0xDB ///< See datasheet
#define SSD1306_SETLOWCOLUMN 0x00 ///< Not currently used
#define SSD1306_SETHIGHCOLUMN 0x10 ///< Not currently used
#define SSD1306_SETSTARTLINE 0x40 ///< See datasheet
#define SSD1306_EXTERNALVCC 0x01 ///< External display voltage source
#define SSD1306_SWITCHCAPVCC 0x02 ///< Gen. display voltage from 3.3V
#define SSD1306_RIGHT_HORIZONTAL_SCROLL 0x26 ///< Init rt scroll
#define SSD1306_LEFT_HORIZONTAL_SCROLL 0x27 ///< Init left scroll
#define SSD1306_VERTICAL_AND_RIGHT_HORIZONTAL_SCROLL 0x29 ///< Init diag scroll
#define SSD1306_VERTICAL_AND_LEFT_HORIZONTAL_SCROLL 0x2A ///< Init diag scroll
#define SSD1306_DEACTIVATE_SCROLL 0x2E ///< Stop scroll
#define SSD1306_ACTIVATE_SCROLL 0x2F ///< Start scroll
#define SSD1306_SET_VERTICAL_SCROLL_AREA 0xA3 ///< Set scroll range
// Deprecated size stuff for backwards compatibility with old sketches
#if defined SSD1306_128_64
#define SSD1306_LCDWIDTH 128 ///< DEPRECATED: width w/SSD1306_128_64 defined
#define SSD1306_LCDHEIGHT 64 ///< DEPRECATED: height w/SSD1306_128_64 defined
#endif
#if defined SSD1306_128_32
#define SSD1306_LCDWIDTH 128 ///< DEPRECATED: width w/SSD1306_128_32 defined
#define SSD1306_LCDHEIGHT 32 ///< DEPRECATED: height w/SSD1306_128_32 defined
#endif
#if defined SSD1306_96_16
#define SSD1306_LCDWIDTH 96 ///< DEPRECATED: width w/SSD1306_96_16 defined
#define SSD1306_LCDHEIGHT 16 ///< DEPRECATED: height w/SSD1306_96_16 defined
#endif
/*!
@brief Class that stores state and functions for interacting with
SSD1306 OLED displays.
*/
class hh_Adafruit_SSD1306 : public Adafruit_GFX {
public:
// NEW CONSTRUCTORS -- recommended for new projects
hh_Adafruit_SSD1306(uint8_t w, uint8_t h, TwoWire *twi = &Wire,
int8_t rst_pin = -1, uint32_t clkDuring = 400000UL,
uint32_t clkAfter = 100000UL);
~hh_Adafruit_SSD1306(void);
bool begin(uint8_t switchvcc = SSD1306_SWITCHCAPVCC, uint8_t i2caddr = 0,
bool reset = true, bool periphBegin = true);
void display(void);
void clearDisplay(void);
void drawPixel(int16_t x, int16_t y, uint16_t color);
void ssd1306_command(uint8_t c);
bool getPixel(int16_t x, int16_t y);
uint8_t *getBuffer(void);
protected:
void ssd1306_command1(uint8_t c);
void ssd1306_commandList(const uint8_t *c, uint8_t n);
SPIClass *spi; ///< Initialized during construction when using SPI. See
///< SPI.cpp, SPI.h
TwoWire *wire; ///< Initialized during construction when using I2C. See
///< Wire.cpp, Wire.h
uint8_t *buffer; ///< Buffer data used for display buffer. Allocated when
///< begin method is called.
int8_t i2caddr; ///< I2C address initialized when begin method is called.
int8_t vccstate; ///< VCC selection, set by begin method.
int8_t page_end; ///< not used
int8_t mosiPin; ///< (Master Out Slave In) set when using SPI set during
///< construction.
int8_t clkPin; ///< (Clock Pin) set when using SPI set during construction.
int8_t dcPin; ///< (Data Pin) set when using SPI set during construction.
int8_t
csPin; ///< (Chip Select Pin) set when using SPI set during construction.
int8_t rstPin; ///< Display reset pin assignment. Set during construction.
#ifdef HAVE_PORTREG
PortReg *mosiPort, *clkPort, *dcPort, *csPort;
PortMask mosiPinMask, clkPinMask, dcPinMask, csPinMask;
#endif
#if ARDUINO >= 157
uint32_t wireClk; ///< Wire speed for SSD1306 transfers
uint32_t restoreClk; ///< Wire speed following SSD1306 transfers
#endif
uint8_t contrast; ///< normal contrast setting for this device
#if defined(SPI_HAS_TRANSACTION)
protected:
// Allow sub-class to change
SPISettings spiSettings;
#endif
};
#endif // _Adafruit_SSD1306_H_