OLED测试程序
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MCookie - OLED测试程序
所需硬件
电路搭建 将Battery、Core、OLED堆叠在一起，或将屏幕通过传感器线接在SensorHub的IIC接口上。
代码 #include "U8glib.h"
// setup u8g object, please remove comment from one of the following constructor calls
// IMPORTANT NOTE: The complete list of supported devices is here: http://code.google.com/p/u8glib/wiki/device
U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_NONE);
void u8g_prepare(void) {
u8g.setFont(u8g_font_6x10);
u8g.setFontRefHeightExtendedText();
u8g.setDefaultForegroundColor();
u8g.setFontPosTop();
}
void u8g_box_frame(uint8_t a) {
u8g.drawStr( 0, 0, "drawBox");
u8g.drawBox(5, 10, 20, 10);
u8g.drawBox(10 + a, 15, 30, 7);
u8g.drawStr( 0, 30, "drawFrame");
u8g.drawFrame(5, 10 + 30, 20, 10);
u8g.drawFrame(10 + a, 15 + 30, 30, 7);
}
void u8g_disc_circle(uint8_t a) {
u8g.drawStr( 0, 0, "drawDisc");
u8g.drawDisc(10, 18, 9);
u8g.drawDisc(24 + a, 16, 7);
u8g.drawStr( 0, 30, "drawCircle");
u8g.drawCircle(10, 18 + 30, 9);
u8g.drawCircle(24 + a, 16 + 30, 7);
}
void u8g_r_frame(uint8_t a) {
u8g.drawStr( 0, 0, "drawRFrame/Box");
u8g.drawRFrame(5, 10, 40, 30, a + 1);
u8g.drawRBox(50, 10, 25, 40, a + 1);
}
void u8g_string(uint8_t a) {
u8g.drawStr(30 + a, 31, " 0");
u8g.drawStr90(30, 31 + a, " 90");
u8g.drawStr180(30 - a, 31, " 180");
u8g.drawStr270(30, 31 - a, " 270");
}
void u8g_line(uint8_t a) {
u8g.drawStr( 0, 0, "drawLine");
u8g.drawLine(7 + a, 10, 40, 55);
u8g.drawLine(7 + a * 2, 10, 60, 55);
u8g.drawLine(7 + a * 3, 10, 80, 55);
u8g.drawLine(7 + a * 4, 10, 100, 55);
}
void u8g_ascii_1() {
char s[2] = " ";
uint8_t x, y;
u8g.drawStr( 0, 0, "ASCII page 1");
for ( y = 0; y < 6; y++ ) {
for ( x = 0; x < 16; x++ ) {
s[0] = y * 16 + x + 32;
u8g.drawStr(x * 7, y * 10 + 10, s);
}
}
}
void u8g_ascii_2() {
char s[2] = " ";
uint8_t x, y;
u8g.drawStr( 0, 0, "ASCII page 2");
for ( y = 0; y < 6; y++ ) {
for ( x = 0; x < 16; x++ ) {
s[0] = y * 16 + x + 160;
u8g.drawStr(x * 7, y * 10 + 10, s);
}
}
}
uint8_t draw_state = 0;
void draw(void) {
u8g_prepare();
switch (draw_state >> 3) {
case 0: u8g_box_frame(draw_state & 7); break;
case 1: u8g_disc_circle(draw_state & 7); break;
case 2: u8g_r_frame(draw_state & 7); break;
case 3: u8g_string(draw_state & 7); break;
case 4: u8g_line(draw_state & 7); break;
case 5: u8g_ascii_1(); break;
case 6: u8g_ascii_2(); break;
}
}
void setup(void) {
// flip screen, if required
//u8g.setRot180();
u8g.setColorIndex(1); // pixel on
//u8g.setContrast(0x30);
pinMode(13, OUTPUT);
digitalWrite(13, HIGH);
}
void loop(void) {
// picture loop
u8g.firstPage();
do {
draw();
} while ( u8g.nextPage() );
// increase the state
draw_state++;
if ( draw_state >= 7 * 8 )
draw_state = 0;
// rebuild the picture after some delay
delay(150);
}
将代码复制到Microduino IDE中，程序下载成功后,观察OLED显示，图形正常显示，没有乱码或长时间白屏黑屏情况即可。
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