OLED module (128x64/SPI) [aitendo VGM12864SPI-W] with Aidafruit SSD1306 library
aitendo の OLED module (128x64/SPI) [ VGM12864SPI-W] を Adafruit の SSD1306 用ライブラリで動かしてみた。グラフィックとテキスト表示が可能である。mbed 標準のGraphicDisplay/TextDisplay クラスは継承していない独自のもの。STM32 Nucleo L152RE の他、LPC1768 mbed で動作確認。
main.cpp
- Committer:
- masato
- Date:
- 2014-05-04
- Revision:
- 0:15f95f9cf61a
File content as of revision 0:15f95f9cf61a:
/* test OLED module (128x64/SPI) [aitendo VGM12864SPI-W] */ #include "mbed.h" #include "ssd1306.h" #include "standard_font.h" #include "bold_font.h" // SSD1306 oled(p8 /* cs */, p9 /* reset */, p14 /* dc */, p13 /* clock */, p11 /* data */); // LPC1768 // SSD1306 oled(PTA13 /* cs */, PTD5 /* reset */, PTD0 /* dc */, PTD1 /* clock */, PTD2 /* data */); // KL25Z SSD1306 oled(D10 /* cs */, D9 /* reset */, D8 /* dc */, D13 /* clock */, D11 /* data */); // KL05Z or Arduino styles #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 logo16_glcd_bmp[] = { 0x00, 0xc0, // B00000000, B11000000, 0x01, 0xc0, // B00000001, B11000000, 0x01, 0xc0, // B00000001, B11000000, 0x03, 0xe0, // B00000011, B11100000, 0xf3, 0xe0, // B11110011, B11100000, 0xfe, 0xf8, // B11111110, B11111000, 0x7e, 0xff, // B01111110, B11111111, 0x33, 0x9f, // B00110011, B10011111, 0x1f, 0xfc, // B00011111, B11111100, 0x0d, 0x70, // B00001101, B01110000, 0x1b, 0xa0, // B00011011, B10100000, 0x3f, 0xe0, // B00111111, B11100000, 0x3f, 0xf0, // B00111111, B11110000, 0x7c, 0xf0, // B01111100, B11110000, 0x70, 0x70, // B01110000, B01110000, 0x00, 0x30 }; // B00000000, B00110000 }; void testdrawbitmap(const unsigned char *bitmap, int w, int h) { uint8_t icons[NUMFLAKES][3]; srand((unsigned int)time(NULL)); // srandom(666); // whatever seed int i; // initialize for (uint8_t f=0; f< NUMFLAKES; f++) { icons[f][XPOS] = rand() % SSD1306_LCDWIDTH; // display.width(); icons[f][YPOS] = 0; icons[f][DELTAY] = rand() % 5 + 1; #if 0 Serial.print("x: "); Serial.print(icons[f][XPOS], DEC); Serial.print(" y: "); Serial.print(icons[f][YPOS], DEC); Serial.print(" dy: "); Serial.println(icons[f][DELTAY], DEC); #endif } i = 0; while (1) { // draw each icon for (uint8_t f=0; f< NUMFLAKES; f++) { oled.drawBitmap(icons[f][XPOS], icons[f][YPOS], logo16_glcd_bmp, w, h, 1); // WHITE); } oled.update(); wait(0.2); // delay(200); // then erase it + move it for (uint8_t f=0; f< NUMFLAKES; f++) { oled.drawBitmap(icons[f][XPOS], icons[f][YPOS], logo16_glcd_bmp, w, h, 0); // BLACK); // move it icons[f][YPOS] += icons[f][DELTAY]; // if its gone, reinit if (icons[f][YPOS] > SSD1306_LCDHEIGHT) { // display.height()) { icons[f][XPOS] = rand() % SSD1306_LCDWIDTH; // display.width(); icons[f][YPOS] = 0; icons[f][DELTAY] = rand() % 5 + 1; } } if (i++ > 100) break; } } void testdrawline() { for (int16_t i=0; i<SSD1306_LCDWIDTH; i+=4) { oled.line(0, 0, i, SSD1306_LCDHEIGHT-1); oled.update(); } for (int16_t i=0; i<SSD1306_LCDHEIGHT; i+=4) { oled.line(0, 0, SSD1306_LCDWIDTH-1, i); oled.update(); } wait(0.25); // delay(250); oled.clear(); for (int16_t i=0; i<SSD1306_LCDWIDTH; i+=4) { oled.line(0, SSD1306_LCDHEIGHT-1, i, 0); oled.update(); } for (int16_t i=SSD1306_LCDHEIGHT-1; i>=0; i-=4) { oled.line(0, SSD1306_LCDHEIGHT-1, SSD1306_LCDWIDTH-1, i); oled.update(); } wait(0.25); // delay(250); oled.clear(); for (int16_t i=SSD1306_LCDWIDTH-1; i>=0; i-=4) { oled.line(SSD1306_LCDWIDTH-1, SSD1306_LCDHEIGHT-1, i, 0); oled.update(); } for (int16_t i=SSD1306_LCDHEIGHT-1; i>=0; i-=4) { oled.line(SSD1306_LCDWIDTH-1, SSD1306_LCDHEIGHT-1, 0, i); oled.update(); } wait(0.25); // delay(250); oled.clear(); for (int16_t i=0; i<SSD1306_LCDHEIGHT; i+=4) { oled.line(SSD1306_LCDWIDTH-1, 0, 0, i); oled.update(); } for (int16_t i=0; i<SSD1306_LCDWIDTH; i+=4) { oled.line(SSD1306_LCDWIDTH-1, 0, i, SSD1306_LCDHEIGHT-1); oled.update(); } wait(0.25); } int main() { oled.initialise(); oled.clear(); oled.set_contrast(255); // max contrast oled.drawBitmap(30, 16, logo16_glcd_bmp, 16, 16); oled.update(); wait(3); testdrawline(); oled.clear(); testdrawbitmap(logo16_glcd_bmp, LOGO16_GLCD_HEIGHT, LOGO16_GLCD_WIDTH); oled.set_font(bold_font, 8); oled.printf("Heading\r\n"); oled.set_font(standard_font, 6); oled.printf("Hello World!\r\n"); oled.printf("Some more text here...\r\n\r\n\r\n\r\n"); // oled.set_font(bold_font, 8); oled.line(127, 0, 0, 63); oled.update(); wait(1); int i = 0; while (1) { wait(1); oled.printf("%d\r\n", i++); oled.update(); oled.scroll_up(); } } // EOF