30 lines
1.3 KiB
C++
30 lines
1.3 KiB
C++
#include <rthw.h>
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#include <rtthread.h>
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#include <rtdevice.h>
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#include <U8g2lib.h>
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// You may reference Drivers/drv_gpio.c for pinout
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// In u8x8.h #define U8X8_USE_PINS
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#define OLED_I2C_PIN_SCL 22 // PB6
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#define OLED_I2C_PIN_SDA 23 // PB7
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// Check https://github.com/olikraus/u8g2/wiki/u8g2setupcpp for all supported devices
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static U8G2_SSD1306_128X64_NONAME_F_SW_I2C u8g2(U8G2_R0,
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/* clock=*/ OLED_I2C_PIN_SCL,
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/* data=*/ OLED_I2C_PIN_SDA,
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/* reset=*/ U8X8_PIN_NONE);
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// All Boards without Reset of the Display
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static void u8g2_ssd1306_12864_sw_i2c_example(int argc,char *argv[])
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{
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u8g2.begin();
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u8g2.clearBuffer(); // clear the internal memory
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u8g2.setFont(u8g2_font_6x13_tr); // choose a suitable font
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u8g2.drawStr(1, 18, "U8g2 on RT-Thread"); // write something to the internal memory
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u8g2.sendBuffer(); // transfer internal memory to the display
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u8g2.setFont(u8g2_font_unifont_t_symbols);
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u8g2.drawGlyph(112, 56, 0x2603 );
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u8g2.sendBuffer();
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}
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MSH_CMD_EXPORT(u8g2_ssd1306_12864_sw_i2c_example, i2c ssd1306 software i2c sample);
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