MIPI 屏参调试

static char ili9881c_n5s_dijing_cpt_720p_video_on_cmd0[]={
0x06, 0x00, 0x39, 0xc0,
0xff, 0x77, 0x01, 0x00,
0x00, 0x10, 0xff, 0xff
}
  • 0x06表示长度 (comm+data的数量)
  • 四个四个一排 多余的用0xff补上
  • 0x39 0xc0为写命令;或者0x29 0xc0

1. lk:

以下是LK的cmd命令

static char ili9881c_n5s_dijing_cpt_720p_video_on_cmd0[]={
    0x04,0x00,0x39,0xC0,
    0xFF,0x98,0x81,0x03,
};

1.1 实例

一般供应商会这样写:

WriteComm (0xFF);
WriteData (0x77);
WriteData (0x01);
WriteData (0x00);
WriteData (0x00);
WriteData (0x10);
WriteComm (0xC0);
WriteData (0xE9);
WriteData (0x03);
WriteComm (0xC1);
WriteData (0x0A);
WriteData (0x02);
WriteComm (0xC2);
WriteData (0x31);
WriteData (0x08);
WriteComm (0xCC);
WriteData (0x10);

01 则代表CMD0;

1.2 开始代码:

供应商给的代码:

xx,xx,0x05,0x80

这段格式是固定的吼;

1.3 结束代码:

结束代码:

0x29,0x00,0x05,0x80

lane_configuration这里需要调试:
mipi的lane线,看数据手册,看原理图无用

  • msm8909:

  • msm8953
原文地址:https://www.cnblogs.com/linhaostudy/p/11769833.html