134 lines
2.9 KiB
Markdown
134 lines
2.9 KiB
Markdown
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# 如何启动镜像程序
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- 当完成项目的配置和编译后，请参考以下两种方法，在开发板上启动镜像程序。需要提前下载串口工具，以SecureCRT为例
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- 需要按照以下方式将开发板的串口与TTL接口相连，并与上位机相连
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1. E2000D_DEMO开发板，E2000Q_DEMO开发板，使用CPU_UART
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2. Phytium PI开发板，使用J2组引脚
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## 使用tftp服务，通过网口上传镜像(推荐)
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- 通过tftp服务，使用网口将 .bin/.elf 文件上传到开发板
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### Ubuntu 环境下配置tftp服务
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- 在开发环境`host`侧安装`tftp`服务
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```
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sudo apt-get install tftp-hpa tftpd-hpa
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sudo apt-get install xinetd
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```
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- 新建`tftpboot`目录, 以`/mnt/d/tftpboot`为例，并确保 `tftpboot` 目录有执行权限`chmod 777 /**/tftpboot`
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- 配置主机 tftpboot 服务, 新建并配置文件`/etc/xinetd.d/tftp`
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```
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# /etc/xinetd.d/tftp
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server tftp
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{
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socket_type = dgram
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protocol = udp
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wait = yes
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user = root
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server = /usr/sbin/in.tftpd
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server_args = -s /mnt/d/tftpboot
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disable = no
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per_source = 11
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cps = 100 2
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flags = IPv4
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}
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```
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- 启动主机`tftp`服务，生成默认配置
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```
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$ sudo service tftpd-hpa start
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```
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- 修改主机`tftp`配置，指向`tftpboot`目录
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修改/etc/default/tftpd-hpa
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```
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$ sudo nano /etc/default/tftpd-hpa
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# /etc/default/tftpd-hpa
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TFTP_USERNAME="tftp"
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TFTP_DIRECTORY="/mnt/d/tftpboot"
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TFTP_ADDRESS=":69"
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TFTP_OPTIONS="-l -c -s"
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```
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- 重启主机`tftp`服务
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```
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$ sudo service tftpd-hpa restart
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```
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- 测试主机`tftp`服务的可用性
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> 登录`tftp`服务，获取`tftpboot`目录下的一个文件
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```
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$ tftp 192.168.4.50
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tftp> get test1234
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tftp> q
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```
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### Windows 环境下配置tftp服务
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- 下载 Tftpd64 工具，并安装
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- 之后每次使用前，进入Windows服务，手动将服务打开
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### 使用uboot上的tftp服务加载镜像
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- `host`侧，网络配置如下
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- 进入`uboot`界面，输入如下指令，配置开发板ip，`host`侧ip和网关地址
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```
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setenv ipaddr 192.168.4.20
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setenv serverip 192.168.4.50
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setenv gatewayip 192.168.4.1
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```
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- 将编译好的elf 或者bin 文件拷贝至Tftpd64所设置文件夹下
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- 随后烧录的文件到开发板，输入以下指令
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```
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tftpboot 0x80080000 rtthread_a64.bin
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dcache flush
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go 0x80080000
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```
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## 使用串口工具
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- 可以用串口通过XMODEM协议将`.bin`文件上传到开发板
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1. 启动开发板，进入uboot界面，输入以下指令
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```
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loadx 0x80080000
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```
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2. 发送`.bin`文件
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3. 输入以下指令，完成跳转
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```
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go 0x80080000
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```
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