432使用SPI驱动oled

/*接线

oled------->432p401r

cs------>18

res----->3

dc------>4

d1(sid)----->15(MOSI)

d0(cl)------>7(clk)

*/

//#define cs 18

//#define rst 3

//#define sid 15

//#define sclk 7

//#define dc 4

#define OLED_DC 4

#define OLED_CS 18

#define OLED_CLK 7

#define OLED_MOSI 15

#define OLED_RESET 3

#define _BV(bit) (1 << (bit))

#include

#include

#include

#include

#include

SSD1306 oled(OLED_MOSI, OLED_CLK, OLED_DC, OLED_RESET, OLED_CS);

void setup()

{

  Serial.begin(9600);

  oled.ssd1306_init(SSD1306_SWITCHCAPVCC);

  oled.display(); // show splashscreen

  delay(2000);

  oled.clear();   // clears the screen and buffer

}

void loop()

{

  oled.drawstring(0, 0, "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation");

  oled.display();

  oled.clear();   // clears the screen and buffer

  delay(2000);

  oled.fillcircle(32, 32, 10, WHITE);

  oled.display();

  delay(2000);

}

演示效果