main.c

c语言实现st7920驱动

#include<reg51.h>
#include<ST7920.h>

#define uchar unsigned char

uchar code zk[]={
    0x08,0x20,0x1c,0x10,0x1c,0x1c,0xff,0x9e,0x7f,0x1e,0x1c,0x1f,0x3e,0x1f,0x3e,0x1f,
    0x77,0x1f,0x41,0x3f,0x00,0x7e,0x00,0xfe,0x83,0xfc,0x7f,0xf8,0x3f,0xf0,0x0f,0xc0,
};

uchar code bmp[]={
    0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
    0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
    0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00,0x00,
    0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x04,0x20,0x00,0x00,0x00,0x00,
    0x1F,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x84,0x42,0x00,0x00,0x00,0x00,
    0x00,0x00,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x40,0x84,0x00,0x00,0x00,0x00,
    0x00,0x03,0x80,0x00,0x00,0x00,0x00,0x00,0xE0,0x04,0x00,0x08,0x80,0x60,0x00,0x00,
    0x00,0x1F,0xFF,0xC0,0x00,0x00,0x00,0x01,0x10,0x02,0x1F,0xC1,0x01,0xD0,0x00,0x38,
    0x00,0x00,0x00,0x01,0xFC,0x00,0x00,0x00,0x10,0x00,0x70,0x72,0x01,0x0C,0x00,0x68,
    0x00,0x00,0x00,0x00,0x00,0xE0,0x00,0x06,0x13,0x08,0x40,0x08,0x03,0x06,0x00,0xCC,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x09,0x84,0x80,0x0C,0x1E,0x03,0x89,0x86,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x00,0xC1,0x80,0x04,0x68,0x00,0xFF,0x02,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x41,0x00,0x00,0xC0,0x00,0x60,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x61,0x00,0x00,0x80,0x00,0x00,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x31,0x00,0x00,0x80,0x00,0x00,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x0C,0x00,0x00,0x80,0x00,0x00,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x04,0x00,0x01,0x80,0x00,0x00,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x06,0x00,0x01,0x00,0x00,0x00,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x00,0x02,0x00,0x02,0x00,0x00,0x00,0x00,
	0x00,0x00,0x00,0x38,0x00,0x00,0x00,0xC0,0x00,0x03,0x00,0x02,0x00,0x00,0x00,0x00,
	0x00,0x00,0x01,0xE8,0x00,0x00,0x01,0x80,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x00,0x1A,0x08,0x00,0x00,0x03,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,
	0x00,0x00,0x00,0x08,0x00,0x00,0x02,0x00,0x00,0x00,0xC0,0x00,0x00,0x00,0x00,0x00,
	0x00,0x00,0x00,0x08,0x00,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x00,0x00,0x10,0x00,0x00,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x00,0x3C,0x18,0x00,0x00,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x01,0xC0,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x03,0x00,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x02,0x00,0x0C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x02,0x00,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x02,0x00,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x02,0x00,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x02,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x04,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x04,0x00,0x02,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x01,0xF4,0x00,0x02,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x01,0x00,0x00,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x03,0x00,0x00,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x02,0x00,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x02,0x00,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x79,0xF8,0x10,0x20,0x00,
	0x02,0x00,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x09,0x08,0x10,0x20,0x00,
	0x02,0x00,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x09,0x08,0x10,0x20,0x00,
	0x06,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,0x00,0x00,0x00,0x79,0xF8,0x10,0x20,0x00,
	0x04,0x00,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x40,0x40,0xFD,0xFE,0x00,
	0x04,0x00,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x43,0xFC,0x10,0x20,0x00,
	0x00,0x00,0x00,0x00,0x00,0x60,0x00,0x00,0x03,0xFF,0xF0,0x42,0x44,0x10,0x60,0x00,
	0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x7A,0x44,0x38,0x70,0x00,
	0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x0B,0xFC,0x74,0xB0,0x00,
	0x00,0x00,0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x08,0x40,0x54,0xA8,0x00,
	0x00,0x00,0x00,0x00,0x00,0x18,0x00,0x00,0x00,0x00,0x00,0x08,0x48,0x91,0x28,0x00,
	0x00,0x00,0x00,0x00,0x00,0x08,0x00,0x00,0x00,0x00,0x00,0x08,0x44,0x12,0x26,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x7E,0x14,0x24,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x2B,0xC4,0x10,0x20,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x10,0x20,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
    0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};

void main()
{
    SP = 0x68;
    lcdReset();
	writeCGRAM(0,zk);
    writeString(0,"床前明月光,");
    writeString(1,"疑是地上霜;");
    writeString(2,"举头望明月,");
    writeString(3,"低头思故乡.");
    writeBmp(bmp);
    while( 1 )
    {
    }
}