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1 year ago | |
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applications | 2 years ago | |
drivers | 1 year ago | |
.config | 1 year ago | |
.gitignore | 2 years ago | |
Kconfig | 1 year ago | |
README.md | 2 years ago | |
README_en.md | 2 years ago | |
SConscript | 2 years ago | |
SConstruct | 2 years ago | |
cv1800b_milkv_duo_sd.dtb | 2 years ago | |
fip.bin | 2 years ago | |
link.lds | 2 years ago | |
link_stacksize.lds | 2 years ago | |
mkimage | 2 years ago | |
mksdimg.sh | 2 years ago | |
multi.its | 2 years ago | |
rtconfig.h | 1 year ago | |
rtconfig.py | 2 years ago |
中文 | English
CV180ZB/CV1800B/CV1801B 是面向民用消费监控 IP 摄像机、居家智能等多项产品领域而推出的高性能、低功耗芯片,集成了 H.264/H.265 视频压缩编码器和 ISP;支持数字寛动态、 3D 降噪、除雾、镜头畸变校正等多种图像增强和矫正算法,为客户提供专业级的视频图像质量。
支持 SPI Nand flash 接口 (1.8V / 3.0V)
外设
Up to 26 GPIO pins on the MilkV-Duo 40-pin header provide access to internal peripherals such as SDIO, I2C, PWM, SPI, J-TAG, and UART
Up to 3x I2C
Up to 5x UART
Up to 1x SDIO1
Up to 1x SPI
Up to 2x ADC
Up to 7x PWM
Up to 1x RUN
Up to 1x JTAG
集成 MAC PHY 支持 10/100Mbps 全双工或半双工模式
一个 USB Host / device 接口
下载 riscv64-unknown-linux-musl-gcc
的工具链: https://github.com/RT-Thread/toolchains-ci/releases/download/v1.7/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu_latest.tar.bz2
注: 当前 bsp 只支持 Linux 编译
正确解压后,在rtconfig.py
中将 riscv64-unknown-linux-musl-gcc
工具链的本地路径加入 EXEC_PATH
或通过 RTT_EXEC_PATH
环境变量指定路径。
$ export RTT_EXEC_PATH=/opt/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu/bin
依赖安装
$ sudo apt install -y device-tree-compiler
Linux平台下,可以先执行:
$ scons --menuconfig
它会自动下载env相关脚本到~/.env目录,然后执行
$ source ~/.env/env.sh
$ pkgs --update
更新完软件包后,执行 scons -j10
或 scons -j10 --verbose
来编译这个板级支持包。或者通过 scons --exec-path="GCC工具链路径"
命令,在指定工具链位置的同时直接编译。编译正确无误,会产生rtthread.elf文件。
编译完成后脚本自动调用 ./mksdimg.sh
脚本进行打包,并生成 boot.sd
, 该文件即为 SD 卡启动的 kernel 文件。
FAT32
。fip.bin
和 boot.sd
复制 SD 卡第一个分区中。后续更新固件只需要复制 boot.sd
文件即可。
其中:更新完 boot.sd
后, 重新上电可以看到串口的输出信息:
U-Boot 2021.10 (Jun 26 2023 - 14:09:06 +0800)cvitek_cv180x
DRAM: 63.3 MiB
gd->relocaddr=0x82435000. offset=0x2235000
MMC: cv-sd@4310000: 0
Loading Environment from <NULL>... OK
In: serial
Out: serial
Err: serial
Net:
Warning: ethernet@4070000 (eth0) using random MAC address - 62:80:19:6c:d4:64
eth0: ethernet@4070000
Hit any key to stop autoboot: 0
Boot from SD ...
switch to partitions #0, OK
mmc0 is current device
132692 bytes read in 12 ms (10.5 MiB/s)
## Loading kernel from FIT Image at 81400000 ...
Using 'config-cv1800b_milkv_duo_sd' configuration
Trying 'kernel-1' kernel subimage
Verifying Hash Integrity ... crc32+ OK
## Loading fdt from FIT Image at 81400000 ...
Using 'config-cv1800b_milkv_duo_sd' configuration
Trying 'fdt-cv1800b_milkv_duo_sd' fdt subimage
Verifying Hash Integrity ... sha256+ OK
Booting using the fdt blob at 0x8141b590
Uncompressing Kernel Image
Decompressing 296768 bytes used 42ms
Loading Device Tree to 0000000081be5000, end 0000000081becb60 ... OK
Starting kernel ...
heap: [0x802766b0 - 0x812766b0]
\ | /
- RT - Thread Smart Operating System
/ | \ 5.0.1 build Jun 28 2023 23:44:36
2006 - 2022 Copyright by RT-Thread team
Hello RT-Smart!
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驱动 | 支持情况 | 备注 |
---|---|---|
UART | 支持 | 默认波特率115200 |
维护人:flyingcys