“This command sets the COM signals pin configuration to match the OLED panel hardware layout”
看这个命令的解释是:配置SSD1309的COM引脚和OLED的显示屏引脚的对应关系,说明书中一共有8种配置,我只截取了前两个
OLED_WR_Byte(0xC8,OLED_CMD);//Set COM/Row Scan Direction 0xc0上下反置 0XC8正常
OLED_WR_Byte(0xDA,OLED_CMD);//--set com pins hardware configuration
OLED_WR_Byte(0x12,OLED_CMD); //DAH指令 设置称0X12时COM和OLED的对应关系为下图
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