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@@ -51,6 +51,27 @@ cat /dev/block/mmcblk0p1 | grep -a hi3798m
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:::tip
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烧片器长度计算:最后一个分区的开始地址 + 最后一个分区的 img 文件的大小
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比如:610M + 616M = 1226M,你就输入```1226M```字样即可。
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比如:610M + 616M = 1226M,你就输入 ```1226M``` 字样即可。
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:::
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## 自制烧片器放到准备好的U盘
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保存上面制作的emmc.flash文件,并复制到前面fat32格式化后的U盘根目录
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## 插到盒子上进去adb后台烧写
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将带有 emmc.flash 的 U 盘插入盒子的 usb 口上;
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在 adb shell 或者 telnet 登录安卓后台的窗口输入 df -h 查看u盘是否自动挂载好;
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如果发现有 sda1 存在,继续输入 ls -al /mnt/sda/sda1 查看是否存在 emmc.flash 文件;
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检查上面步骤都正确以后,输入以下命令进行烧写。
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```bash
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dd if=/mnt/sda/sda1/emmc.flash of=/dev/block/mmcblk0 bs=1024
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```
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注意:
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BIN
docs/tutorial-basics/pic/doflash.png
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docs/tutorial-basics/pic/doflash.png
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docs/tutorial-basics/pic/usbfile.png
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docs/tutorial-basics/pic/usbfile.png
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