Write the OLED(using I2C) l432KC PIN sda scl reset
Dependencies: Adafruit_GFX mbed
Fork of I2C_SSD1306_nucleo_l432KCc by
main.cpp
- Committer:
- IOP
- Date:
- 2015-07-24
- Revision:
- 8:e61e86355653
- Parent:
- 7:4ab5e8203b1d
- Child:
- 9:a6021ca48d2e
File content as of revision 8:e61e86355653:
#include "mbed.h" #include "Adafruit_SSD1306.h" DigitalOut shield_led_off(D10); DigitalOut myled_R(LED1); // an SPI sub-class that provides a constructed default class I2CPreInit : public I2C { public: I2CPreInit(PinName sda, PinName scl) : I2C(sda, scl) { frequency(100000); start(); }; }; I2CPreInit gI2C(PA_10,PA_9); Adafruit_SSD1306_I2c gOled(gI2C,NC,0x78,64,128); Serial pc(USBTX,USBRX); int main() { uint16_t x=0; shield_led_off = 0; // turn off Green LED on shield gOled.begin(); gOled.printf("%ux%u Hellow World\r\n", gOled.width(), gOled.height()); gOled.display(); while(1) { myled_R = !myled_R; gOled.printf("%u\r",x); gOled.display(); x = x + 1; wait(1); } }