SSD1306(OLED屏幕)反向显示问题

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SSD1306(OLED屏幕)反向显示问题

2023-08-15 07:26| 来源: 网络整理| 查看: 265

昨天接手一个需要维护的项目,其中有一个OLED屏幕显示总是反的,下面是原来的驱动程序:

Write_IIC_Command(0xAE); //关闭显示 Write_IIC_Command(0xD5); //设置时钟分频因子,震荡频率 Write_IIC_Command(0x50); //[3:0],分频因子;[7:4],震荡频率 Write_IIC_Command(0xA8); //设置驱动路数 Write_IIC_Command(0X3F); //默认0X3F(1/64) Write_IIC_Command(0xD3); //设置显示偏移 Write_IIC_Command(0X00); //默认为0 Write_IIC_Command(0x40); //设置显示开始行 [5:0],行数. Write_IIC_Command(0x8D); //电荷泵设置 Write_IIC_Command(0x14); //bit2,开启/关闭 Write_IIC_Command(0x20); //设置内存地址模式 Write_IIC_Command(0x02); //[1:0],00,列地址模式;01,行地址模式;10,页地址模式;默认10; Write_IIC_Command(0xA1); //段重定义设置,bit0:0,0->0;1,0->127; Write_IIC_Command(0xC8); //设置COM扫描方向; Write_IIC_Command(0xDA); //设置COM硬件引脚配置 Write_IIC_Command(0x12); //[5:4]配置 Write_IIC_Command(0x81); //对比度设置 Write_IIC_Command(0xEF); //1~255;默认0X7F (亮度设置,越大越亮) Write_IIC_Command(0xD9); //设置预充电周期 Write_IIC_Command(0xf1); //[3:0],PHASE 1;[7:4],PHASE 2; Write_IIC_Command(0xDB); //设置VCOMH 电压倍率 Write_IIC_Command(0x30); //[6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc; Write_IIC_Command(0xA4); //全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏) Write_IIC_Command(0xA6); //设置显示方式;bit0:1,反相显示;0,正常显示 Write_IIC_Command(0xAF); //开启显示 OLED_Clear();

找了半天才找到。。。

更改显示方向方法:

Write_IIC_Command(0xAE); //关闭显示 Write_IIC_Command(0xD5); //设置时钟分频因子,震荡频率 Write_IIC_Command(0x50); //[3:0],分频因子;[7:4],震荡频率 Write_IIC_Command(0xA8); //设置驱动路数 Write_IIC_Command(0X3F); //默认0X3F(1/64) Write_IIC_Command(0xD3); //设置显示偏移 Write_IIC_Command(0X00); //默认为0 Write_IIC_Command(0x40); //设置显示开始行 [5:0],行数. Write_IIC_Command(0x8D); //电荷泵设置 Write_IIC_Command(0x14); //bit2,开启/关闭 Write_IIC_Command(0x20); //设置内存地址模式 Write_IIC_Command(0x02); //[1:0],00,列地址模式;01,行地址模式;10,页地址模式;默认10; Write_IIC_Command(0xA0); //段重定义设置,bit0:0,0->0;1,0->127; 0xA00xA1 Write_IIC_Command(0xC0); //设置COM扫描方向; 0xC00xC1:垂直反向 Write_IIC_Command(0xDA); //设置COM硬件引脚配置 Write_IIC_Command(0x12); //[5:4]配置 Write_IIC_Command(0x81); //对比度设置 Write_IIC_Command(0xEF); //1~255;默认0X7F (亮度设置,越大越亮) Write_IIC_Command(0xD9); //设置预充电周期 Write_IIC_Command(0xf1); //[3:0],PHASE 1;[7:4],PHASE 2; Write_IIC_Command(0xDB); //设置VCOMH 电压倍率 Write_IIC_Command(0x30); //[6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc; Write_IIC_Command(0xA4); //全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏) Write_IIC_Command(0xA6); //设置显示方式;bit0:1,反相显示;0,正常显示 Write_IIC_Command(0xAF); //开启显示 OLED_Clear();

 

原因就不再啰嗦。



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