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Write the OLED(using I2C) l432KC PIN sda scl reset
Dependencies: Adafruit_GFX mbed
Fork of I2C_SSD1306_nucleo_l432KCc by
main.cpp
- Committer:
- bibi94
- Date:
- 2018-09-21
- Revision:
- 15:6396392fd424
- Parent:
- 14:d7bc532b2133
File content as of revision 15:6396392fd424:
#include "mbed.h" #include "Adafruit_SSD1306.h" #define NUMFLAKES 10 #define XPOS 0 #define YPOS 1 #define DELTAY 2 #define LOGO16_GLCD_HEIGHT 16 #define LOGO16_GLCD_WIDTH 16 //static const unsigned char PROGMEM logo16_glcd_bmp[] ={ B00000000, B00110000 }; uint8_t logo16_glcd_bmp[32] = { 0x00, 0xC0, 0x01, 0xC0, 0x01, 0xC0, 0x03, 0xE0, 0xE3, 0xE0, 0xFE, 0xF8, 0xFE, 0xFF, 0x33, 0x9F, 0x1F, 0xFC, 0x0D, 0x70, 0x1B, 0xA0, 0x3F, 0xE0, 0x3F, 0xF0, 0x7C, 0xF0, 0x70, 0x70, 0x00, 0x30 }; DigitalOut myled_R(LED1); I2C i2c(PA_10,PA_9);//sda,scl(PA_10,PA_9) Adafruit_SSD1306_I2c myOled(i2c,PB_7,0x7A,64,128);//0x3D+SA0+RW Serial pc(SERIAL_TX, SERIAL_RX); void testdrawbitmap(const uint8_t *bitmap, uint8_t w, uint8_t h) { uint8_t icons[NUMFLAKES][3]; // initialize for (uint8_t f=0; f< NUMFLAKES; f++) { icons[f][XPOS] = rand()%myOled.width(); icons[f][YPOS] = 0; icons[f][DELTAY] = rand()%5 + 1; pc.printf("x: %d",icons[f][XPOS]); // pc.printf(icons[f][XPOS], DEC); pc.printf(" y: %d",icons[f][YPOS]); //pc.printf(icons[f][YPOS], DEC); pc.printf(" dy: %d",icons[f][DELTAY]); //pc.printfln(icons[f][DELTAY], DEC); } while (1) { // draw each icon for (uint8_t f=0; f< NUMFLAKES; f++) { myOled.drawBitmap(icons[f][XPOS], icons[f][YPOS], bitmap, w, h, WHITE); } myOled.display(); wait(0.5); // then erase it + move it for (uint8_t f=0; f< NUMFLAKES; f++) { myOled.drawBitmap(icons[f][XPOS], icons[f][YPOS], bitmap, w, h, BLACK); // move it icons[f][YPOS] += icons[f][DELTAY]; // if its gone, reinit if (icons[f][YPOS] > myOled.height()) { icons[f][XPOS] = rand()%myOled.width(); icons[f][YPOS] = 0; icons[f][DELTAY] = rand()%5 + 1; } } } } void testdrawchar(void) { myOled.setTextSize(1); myOled.setTextColor(WHITE); myOled.setTextCursor(0,0); for (uint8_t i=0; i < 168; i++) { if (i == '\n') continue; myOled.writeChar(i); if ((i > 0) && (i % 21 == 0)) myOled.printf("\n"); } myOled.display(); wait(0.5); } void testdrawcircle(void) { for (int16_t i=0; i<myOled.height(); i+=2) { myOled.drawCircle(myOled.width()/2, myOled.height()/2, i, WHITE); myOled.display(); wait(0.5); } } void testfillrect(void) { uint8_t color = 1; for (int16_t i=0; i<myOled.height()/2; i+=3) { // alternate colors myOled.fillRect(i, i, myOled.width()-i*2, myOled.height()-i*2, color%2); myOled.display(); wait(0.5); color++; } } void testdrawtriangle(void) { for (int16_t i=0; i<min(myOled.width(),myOled.height())/2; i+=5) { myOled.drawTriangle(myOled.width()/2, myOled.height()/2-i, myOled.width()/2-i, myOled.height()/2+i, myOled.width()/2+i, myOled.height()/2+i, WHITE); myOled.display(); wait(0.5); } } void testfilltriangle(void) { uint8_t color = WHITE; for (int16_t i=min(myOled.width(),myOled.height())/2; i>0; i-=5) { myOled.fillTriangle(myOled.width()/2, myOled.height()/2-i, myOled.width()/2-i, myOled.height()/2+i, myOled.width()/2+i, myOled.height()/2+i, WHITE); if (color == WHITE) color = BLACK; else color = WHITE; myOled.display(); wait(0.5); } } void testdrawroundrect(void) { for (int16_t i=0; i<myOled.height()/2-2; i+=2) { myOled.drawRoundRect(i, i, myOled.width()-2*i, myOled.height()-2*i, myOled.height()/4, WHITE); myOled.display(); wait(0.5); } } void testfillroundrect(void) { uint8_t color = WHITE; for (int16_t i=0; i<myOled.height()/2-2; i+=2) { myOled.fillRoundRect(i, i, myOled.width()-2*i, myOled.height()-2*i, myOled.height()/4, color); if (color == WHITE) color = BLACK; else color = WHITE; myOled.display(); wait(0.5); } } void testdrawrect(void) { for (int16_t i=0; i<myOled.height()/2; i+=2) { myOled.drawRect(i, i, myOled.width()-2*i, myOled.height()-2*i, WHITE); myOled.display(); wait(0.5); } } void testdrawline() { for (int16_t i=0; i<myOled.width(); i+=4) { myOled.drawLine(0, 0, i, myOled.height()-1, WHITE); myOled.display(); wait(0.5); } for (int16_t i=0; i<myOled.height(); i+=4) { myOled.drawLine(0, 0, myOled.width()-1, i, WHITE); myOled.display(); wait(0.5); } wait(0.25); myOled.clearDisplay(); for (int16_t i=0; i<myOled.width(); i+=4) { myOled.drawLine(0, myOled.height()-1, i, 0, WHITE); myOled.display(); wait(0.5); } for (int16_t i=myOled.height()-1; i>=0; i-=4) { myOled.drawLine(0, myOled.height()-1, myOled.width()-1, i, WHITE); myOled.display(); wait(0.5); } wait(0.25); myOled.clearDisplay(); for (int16_t i=myOled.width()-1; i>=0; i-=4) { myOled.drawLine(myOled.width()-1, myOled.height()-1, i, 0, WHITE); myOled.display(); wait(0.5); } for (int16_t i=myOled.height()-1; i>=0; i-=4) { myOled.drawLine(myOled.width()-1, myOled.height()-1, 0, i, WHITE); myOled.display(); wait(0.5); } wait(0.25); myOled.clearDisplay(); for (int16_t i=0; i<myOled.height(); i+=4) { myOled.drawLine(myOled.width()-1, 0, 0, i, WHITE); myOled.display(); wait(0.5); } for (int16_t i=0; i<myOled.width(); i+=4) { myOled.drawLine(myOled.width()-1, 0, i, myOled.height()-1, WHITE); myOled.display(); wait(0.5); } wait(0.25); } void testscrolltext(void) { myOled.setTextSize(2); myOled.setTextColor(WHITE); myOled.setTextCursor(10,0); myOled.clearDisplay(); myOled.printf("scroll"); myOled.display(); wait(0.5); myOled.startscrollright(0x00, 0x0F); wait(0.5); myOled.stopscroll(); wait(0.5); myOled.startscrollleft(0x00, 0x0F); wait(0.5); myOled.stopscroll(); wait(0.5); myOled.startscrolldiagright(0x00, 0x07); wait(0.5); myOled.startscrolldiagleft(0x00, 0x07); wait(0.5); myOled.stopscroll(); } int main() { // uint16_t x=0; // pc.printf("Hello World !\n"); //pc.printf("%ux%u \nHellow World\r\n", myOled.width(), myOled.SD_I2C_ADDRESS()); myOled.begin(); // Show image buffer on the display hardware. // Since the buffer is intialized with an Adafruit splashscreen // internally, this will display the splashscreen. myOled.display(); wait(2); // Clear the buffer. myOled.clearDisplay(); // draw a single pixel myOled.drawPixel(10, 10, WHITE); // Show the display buffer on the hardware. // NOTE: You _must_ call display after making any drawing commands // to make them visible on the display hardware! myOled.display(); wait(2); myOled.clearDisplay(); // draw many lines testdrawline(); myOled.display(); wait(2); myOled.clearDisplay(); // draw rectangles testdrawrect(); myOled.display(); wait(1); myOled.clearDisplay(); // draw multiple rectangles testfillrect(); myOled.display(); wait(1); myOled.clearDisplay(); // draw mulitple circles testdrawcircle(); myOled.display(); wait(2); myOled.clearDisplay(); // draw a white circle, 10 pixel radius myOled.fillCircle(myOled.width()/2, myOled.height()/2, 10, WHITE); myOled.display(); wait(2); myOled.clearDisplay(); testdrawroundrect(); wait(2); myOled.clearDisplay(); testfillroundrect(); wait(2); myOled.clearDisplay(); testdrawtriangle(); wait(2); myOled.clearDisplay(); testfilltriangle(); wait(2); myOled.clearDisplay(); // draw the first ~12 characters in the font testdrawchar(); myOled.display(); wait(2); myOled.clearDisplay(); // draw scrolling text testscrolltext(); wait(2); myOled.clearDisplay(); // text display tests myOled.setTextSize(1); myOled.setTextColor(WHITE); myOled.setTextCursor(0,0); //myOled.setCursor(0,0); myOled.printf("Hello, world!"); myOled.setTextColor(BLACK, WHITE); // 'inverted' text myOled.printf("3.141592"); myOled.setTextSize(2); myOled.setTextColor(WHITE); myOled.printf("0x",0xDEADBEEF);// myOled.printf(0xDEADBEEF, HEX); myOled.display(); wait(0.5); myOled.clearDisplay(); // miniature bitmap display //myOled.drawBitmap(30, 16, logo16_glcd_bmp, 16, 16, 1); myOled.display(); wait(0.5); // invert the display myOled.invertDisplay(true); wait(0.5); myOled.invertDisplay(false); wait(0.5); myOled.clearDisplay(); // draw a bitmap icon and 'animate' movement testdrawbitmap(logo16_glcd_bmp, LOGO16_GLCD_HEIGHT, LOGO16_GLCD_WIDTH); /* while(1) { //myOled.drawPixel(x, 32, 1); // myOled.drawCircle(64,32,20,1); // myOled.drawFastVLine(125,2,50,1); //myled_R = !myled_R; //myOled.printf("%u\r",x); //myOled.display(); //x = x + 1; //wait(0.5); }*/ }