70 lines
1.8 KiB
Markdown
70 lines
1.8 KiB
Markdown
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# HIFIVE1 #
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## 简介
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[HIFIVE1](https://www.sifive.com/products/hifive1/)是SiFive提供的一款基于RISCV的开发板，搭载SiFive Freedom E310。
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板载主要资源如下：
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| 硬件 | 描述 |
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| -- | -- |
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|CPU| SiFive E31 RISC-V Core |
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|架构| 32-bit RV32IMAC |
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|主频| 320+ MHz |
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|SRAM| 16KB |
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|Flash| 16MB QSPI + 16KB 指令Cache |
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## 编译说明
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HIFIVE1可以自行编译工具链，或者使用SiFive提供的[二进制版本](https://www.sifive.com/products/tools/)。
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## 烧写及执行
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供电方式：开发板使用 Micro USB 线连接电脑和开发板。
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下载程序：参看[hifive1-getting-started](https://static.dev.sifive.com/dev.../hifive1/hifive1-getting-started-v1.0.2.pdf)完成开发环境的配置，运行bsp里的openocd.sh脚本就可以下载程序了。
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### 运行结果
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下载程序之后，连接串口(115200-N-8-1)，可以看到RT-Thread的输出信息：
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```
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\ | /
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- RT - Thread Operating System
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/ | \ 3.0.4 build May 30 2018
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2006 - 2018 Copyright by rt-thread team
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msh >
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```
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## 4. 驱动支持情况及计划
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| 驱动 | 支持情况 | 备注 |
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| ------ | ---- | :------: |
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| UART | 支持 | |
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| GPIO | 未支持 | |
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| SPI | 未支持 | |
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| I2C | 未支持 | |
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### 4.1 IO在板级支持包中的映射情况
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| IO号 | 板级包中的定义 |
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| -- | -- |
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| GPIO19 | LED_GREEN |
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| GPIO21 | LED_BLUE |
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| GPIO22 | LED_RED |
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## 5. 联系人信息
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维护人：
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- [tanek](https://github.com/TanekLiang)
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## 6. 参考
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* [HIFIVE1 Info](https://www.sifive.com/products/hifive1/)
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* [HIFIVE1 Software Development Tools](https://www.sifive.com/products/tools/)
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* [hifive1-getting-started-guide](https://www.sifive.com/documentation/boards/hifive1/hifive1-getting-started-guide/)
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* [hifive1-schematics](https://www.sifive.com/documentation/boards/hifive1/hifive1-schematics/)
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