*1. void I2C_Configuration(void) -- 配置CPU的硬件I2C
* 2. void I2C_WriteByte(uint8_t addr,uint8_t data) -- 向寄存器地址写一个byte的数据
* 3. void WriteCmd(unsigned char I2C_Command) -- 写命令
* 4. void WriteDat(unsigned char I2C_Data) -- 写数据
* 5. void OLED_Init(void) -- OLED屏初始化
* 6. void OLED_SetPos(unsigned char x, unsigned char y) -- 设置起始点坐标
* 7. void OLED_Fill(unsigned char fill_Data) -- 全屏填充
* 8. void OLED_CLS(void) -- 清屏
* 9. void OLED_ON(void) -- 唤醒
* 10. void OLED_OFF(void) -- 睡眠
* 11. void OLED_ShowStr(unsigned char x, unsigned char y, unsigned char ch[], unsigned char TextSize) -- 显示字符串(字体大小有6*8和8*16两种)
* 12. void OLED_ShowCN(unsigned char x, unsigned char y, unsigned char N) -- 显示中文(中文需要先取模,然后放到codetab.h中)
* 13. void OLED_DrawBMP(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,unsigned char BMP[]) -- BMP图片
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