49 lines
2.3 KiB
C++
49 lines
2.3 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 ST7920_8080_PIN_D0 31 // PB15
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#define ST7920_8080_PIN_D1 30 // PB14
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#define ST7920_8080_PIN_D2 29 // PB13
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#define ST7920_8080_PIN_D3 28 // PB12
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#define ST7920_8080_PIN_D4 38 // PC6
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#define ST7920_8080_PIN_D5 39 // PC7
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#define ST7920_8080_PIN_D6 40 // PC8
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#define ST7920_8080_PIN_D7 41 // PC9
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#define ST7920_8080_PIN_EN 15 // PA15
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#define ST7920_8080_PIN_CS U8X8_PIN_NONE
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#define ST7920_8080_PIN_DC 11 // PA11
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#define ST7920_8080_PIN_RST 12 // PA12
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// Check https://github.com/olikraus/u8g2/wiki/u8g2setupcpp for all supported devices
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static U8G2_ST7920_128X64_F_8080 u8g2(U8G2_R0,
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ST7920_8080_PIN_D0,
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ST7920_8080_PIN_D1,
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ST7920_8080_PIN_D2,
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ST7920_8080_PIN_D3,
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ST7920_8080_PIN_D4,
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ST7920_8080_PIN_D5,
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ST7920_8080_PIN_D6,
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ST7920_8080_PIN_D7,
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/*enable=*/ ST7920_8080_PIN_EN,
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/*cs=*/ ST7920_8080_PIN_CS,
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/*dc=*/ ST7920_8080_PIN_DC,
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/*reset=*/ ST7920_8080_PIN_RST);
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static void u8g2_st7920_12864_8080_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_st7920_12864_8080_example, st7920 12864 LCD sample);
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