diff options
| author | Bernard Xiong <[email protected]> | 2018-09-30 20:52:09 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2018-09-30 20:52:09 +0800 |
| commit | d9dcfb13d0fe40f71ae9c8301412d00cbae561f5 (patch) | |
| tree | 1f62b228bb7613246815c7a1d6dd3363eedcecb9 | |
| parent | 8ff95d49c5e50c68004d805b03436c3aa3447fea (diff) | |
| parent | dcbad844708a529c687d6b96af993879f14c754b (diff) | |
Merge pull request #1858 from Guozhanxin/master
更新 HIFIVE1 bsp
22 files changed, 135 insertions, 19 deletions
diff --git a/bsp/hifive1/README.md b/bsp/hifive1/README.md index 2a9285931b..7c65c15b78 100644 --- a/bsp/hifive1/README.md +++ b/bsp/hifive1/README.md @@ -2,28 +2,148 @@ ## 简介 -[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。 +[HIFIVE1](https://www.sifive.com/products/hifive1/) 是由 SiFive 公司推出的全球首款基于开源指令集 RISC-V 架构的商用 SoC Freedom E310 的开发板。 -板载主要资源如下: + + + + +### 板载资源: | 硬件 | 描述 | | -- | -- | -|CPU| SiFive E31 RISC-V Core | -|架构| 32-bit RV32IMAC | -|主频| 320+ MHz | +|Soc| SiFive Freedom E310 (FE310) | +| 内核 | SiFive E31 RISC-V Core | +| 架构 | 32-bit RV32IMAC | +| 主频 | 320+ MHz | +| 性能 | 1.61 DMIPs/MHz, 2.73 Coremark/MHz | |SRAM| 16KB | |Flash| 16MB QSPI + 16KB 指令Cache | ## 编译说明 -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/)。 +### 下载 Freedom Studio + +Freedom Studio 是 SiFive 公司推出的一个集成开发环境,用来编写和调试基于 SiFive 处理器的软件。内嵌了编译好的 RISC-V GCC 工具链、OpenOCD、以及一些示例和文档。 + +下载地址:[官网下载](https://www.sifive.com/products/tools/) + + + +下载成功之后,解压到和 rt-thread 源码同一目录下 + + + +### 配置工具链 + +工具链就在解压开的 IDE `F:\FreedomStudio\SiFive\riscv64-unknown-elf-gcc-20171231-x86_64-w64-mingw32\bin` 目录下。 + +在源码 `rt-thread/bsp/hifive1/` 目录下,运行 env 工具,输入下面的命令设置 gcc 工具链路径 + +``` +set RTT_EXEC_PATH=F:\FreedomStudio\SiFive\riscv64-unknown-elf-gcc-20171231-x86_64-w64-mingw32\bin +``` + +### 添加环境变量 + +将 **工具链**和**编译工具**的路径 添加到环境变量里,输入命令如下 + +``` +set path=%path%;工具链的路径;编译工具的路径; +``` + +例如: + +``` +set path=%path%;F:\FreedomStudio\SiFive\riscv64-unknown-elf-gcc-20171231-x86_64-w64-mingw32\bin;F:\FreedomStudio\build-tools\bin +``` + + + +### 从 env 工具打开 IDE + +利用 cd 命令,切换到解压开的 IDE 目录 + + + +输入 Freedom Studio 按 Tab 键 自动补全,然后按回车运行 IDE。 + + + +在弹出的窗口输入 workspace 创建工作空间,然后点击启动打开 IDE。 + + + +### 导入工程 + +在菜单栏点击 `File->Import` + + + +按照下面的图片导入工程 + + + + + + + +### 编译 + + + +然后等待编译完成 + + + + ## 烧写及执行 -供电方式:开发板使用 Micro USB 线连接电脑和开发板。 +### 安装驱动 + +1. 使用 Micro USB 线连接电脑和开发板。 + +2. 然后双击安装 IDE 目录 `F:\FreedomStudio\SiFive\Drivers` 下的驱动文件 + +### 添加字符串定义 + +点击菜单栏 `Window->preferences` 按下图的步骤将 字符串 `cross_prefix` 定义为 `riscv64-unknown-elf-` + + + +### 配置 Debug 参数 -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。 +选中生成的 `rtthread.elf` 文件,右键配置 Debug 参数,如下图所示 + + + +按下图新建一个 Debug 选项 + + + +打开 `Debugger` 选项卡 添加如下参数 + +``` +-f openocd.cfg + +set mem inaccessible-by-default off +set arch riscv:rv32 +set remotetimeout 250 +``` + +如下图所示: + + + +打开 `startup` 选项卡,去掉**主机模式**和**复位命令** + + + +然后待程序停止在 main 函数处,然后点击继续运行程序就运行起来了。 + + ### 运行结果 @@ -41,10 +161,8 @@ msh > | 驱动 | 支持情况 | 备注 | | ------ | ---- | :------: | -| UART | 支持 | | -| GPIO | 未支持 | | -| SPI | 未支持 | | -| I2C | 未支持 | | +| UART | 支持 | UART0_RX/TX:GPIO 16/17 | + ### 4.1 IO在板级支持包中的映射情况 @@ -65,5 +183,3 @@ msh > * [HIFIVE1 Software Development Tools](https://www.sifive.com/products/tools/) * [hifive1-getting-started-guide](https://www.sifive.com/documentation/boards/hifive1/hifive1-getting-started-guide/) * [hifive1-schematics](https://www.sifive.com/documentation/boards/hifive1/hifive1-schematics/) - 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DEVICE = ' -march=rv32imac -mabi=ilp32 -DUSE_PLIC -DUSE_M_TIME -DNO_INIT -mcmodel=medany -msmall-data-limit=8 -g -L. -nostartfiles -lc ' + DEVICE = ' -march=rv32imac -mabi=ilp32 -DUSE_PLIC -DUSE_M_TIME -DNO_INIT -mcmodel=medany -msmall-data-limit=8 -L. -nostartfiles -lc ' CFLAGS = DEVICE CFLAGS += ' -save-temps=obj' AFLAGS = '-c'+ DEVICE + ' -x assembler-with-cpp' @@ -51,8 +51,8 @@ if PLATFORM == 'gcc': LPATH = '' if BUILD == 'debug': - CFLAGS += ' -O0 -gdwarf-2' - AFLAGS += ' -gdwarf-2' + CFLAGS += ' -O0 -g3' + AFLAGS += ' -g3' else: CFLAGS += ' -O2' |
