67 lines
2.6 KiB
C
67 lines
2.6 KiB
C
#include <rthw.h>
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#include <rtthread.h>
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#include <rtdevice.h>
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#include <u8g2_port.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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void u8x8_SetPin_8Bit_8080(u8x8_t *u8x8, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, uint8_t wr, uint8_t cs, uint8_t dc, uint8_t reset)
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{
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u8x8_SetPin(u8x8, U8X8_PIN_D0, d0);
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u8x8_SetPin(u8x8, U8X8_PIN_D1, d1);
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u8x8_SetPin(u8x8, U8X8_PIN_D2, d2);
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u8x8_SetPin(u8x8, U8X8_PIN_D3, d3);
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u8x8_SetPin(u8x8, U8X8_PIN_D4, d4);
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u8x8_SetPin(u8x8, U8X8_PIN_D5, d5);
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u8x8_SetPin(u8x8, U8X8_PIN_D6, d6);
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u8x8_SetPin(u8x8, U8X8_PIN_D7, d7);
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u8x8_SetPin(u8x8, U8X8_PIN_E, wr);
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u8x8_SetPin(u8x8, U8X8_PIN_CS, cs);
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u8x8_SetPin(u8x8, U8X8_PIN_DC, dc);
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u8x8_SetPin(u8x8, U8X8_PIN_RESET, reset);
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}
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static void u8g2_st7920_12864_8080_example(int argc,char *argv[])
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{
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u8g2_t u8g2;
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// Initialization
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u8g2_Setup_st7920_p_128x64_f(&u8g2, U8G2_R0, u8x8_byte_8bit_8080mode, u8x8_gpio_and_delay_rtthread);
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u8x8_SetPin_8Bit_8080(u8g2_GetU8x8(&u8g2),
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ST7920_8080_PIN_D0, ST7920_8080_PIN_D1,
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ST7920_8080_PIN_D2, ST7920_8080_PIN_D3,
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ST7920_8080_PIN_D4, ST7920_8080_PIN_D5,
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ST7920_8080_PIN_D6, ST7920_8080_PIN_D7,
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ST7920_8080_PIN_EN, ST7920_8080_PIN_CS,
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ST7920_8080_PIN_DC, ST7920_8080_PIN_RST);
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u8g2_InitDisplay(&u8g2);
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u8g2_SetPowerSave(&u8g2, 0);
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// Draw Graphics
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/* full buffer example, setup procedure ends in _f */
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u8g2_ClearBuffer(&u8g2);
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u8g2_SetFont(&u8g2, u8g2_font_baby_tf);
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u8g2_DrawStr(&u8g2, 1, 18, "U8g2 on RT-Thread");
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u8g2_SendBuffer(&u8g2);
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u8g2_SetFont(&u8g2, u8g2_font_unifont_t_symbols);
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u8g2_DrawGlyph(&u8g2, 112, 56, 0x2603 );
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u8g2_SendBuffer(&u8g2);
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}
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MSH_CMD_EXPORT(u8g2_st7920_12864_8080_example, st7920 12864 LCD sample);
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