diff options
| author | sakumisu <[email protected]> | 2022-06-26 11:34:27 +0800 |
|---|---|---|
| committer | sakumisu <[email protected]> | 2022-06-26 17:24:47 +0800 |
| commit | 24f0a0bb1eab50953cd83862b19194379e8dc3b8 (patch) | |
| tree | 8e9df8da905b9ed86c094e730ab3acfbc5917754 | |
| parent | b47fe8d958bc5bb8432cb9c0aaca0f7962d02a64 (diff) | |
update st rst
| -rw-r--r-- | docs/source/api/api_device.rst | 4 | ||||
| -rw-r--r-- | docs/source/index.rst | 4 | ||||
| -rw-r--r-- | docs/source/quick_start/es32.rst (renamed from docs/source/quick_start/es32f369.rst) | 0 | ||||
| -rw-r--r-- | docs/source/quick_start/img/stm32_1.png | bin | 0 -> 28974 bytes | |||
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| -rw-r--r-- | docs/source/quick_start/stm32.rst | 117 | ||||
| -rw-r--r-- | docs/source/quick_start/stm32f429.rst | 79 |
38 files changed, 121 insertions, 83 deletions
diff --git a/docs/source/api/api_device.rst b/docs/source/api/api_device.rst index 42830f6c..fff16d48 100644 --- a/docs/source/api/api_device.rst +++ b/docs/source/api/api_device.rst @@ -406,7 +406,7 @@ usbd_msc_sector_read - **sector** 扇区偏移 - **buffer** 存储读取的数据的指针 -- **length** 读取长度 +- **length** 读取长度,当前为1个扇区的大小 usbd_msc_sector_write @@ -420,7 +420,7 @@ usbd_msc_sector_write - **sector** 扇区偏移 - **buffer** 写入数据指针 -- **length** 写入长度 +- **length** 写入长度,当前为1个扇区的大小 UAC ----------------- diff --git a/docs/source/index.rst b/docs/source/index.rst index 95cb33e0..b78b5a44 100644 --- a/docs/source/index.rst +++ b/docs/source/index.rst @@ -27,8 +27,8 @@ CherryUSB 是一个小而美的、可移植性高的、用于嵌入式系统的 :caption: 快速上手 quick_start/bl702 - quick_start/stm32f429 - quick_start/es32f369 + quick_start/stm32 + quick_start/es32 quick_start/rt-thread/rtthread quick_start/other_chip diff --git a/docs/source/quick_start/es32f369.rst b/docs/source/quick_start/es32.rst index f0e0e7a7..f0e0e7a7 100644 --- 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b/docs/source/quick_start/stm32.rst new file mode 100644 index 00000000..c471448e --- /dev/null +++ b/docs/source/quick_start/stm32.rst @@ -0,0 +1,117 @@ +基于 STM32F1/F4/H7 开发指南 +============================= + +本节是基于 STM32 三个系列芯片的使用,涵盖 F1/F4/H7,其余芯片基本类似,不再赘述,具体区别有: + +- usb ip 区别:F1使用 fsdev,F4/H7使用 dwc2 +- dwc2 ip 区别: fs port 和 hs port(带 dma 和不带 dma 功能) +- F4 与 H7 cache 区别、USB BASE 区别 + + +工程样例试用 +----------------------- + +默认提供以下 demo 工程: + +- F103 使用 fsdev ip +- F429 主从使用 hs port +- H7 设备使用 fs port,主机使用 hs port,并且主机带 cache 支持 + + +默认删除 Drivers ,所以需要使用 stm32cubemx 生成一下 Drivers 目录下的文件,demo 底下提供了 **stm32xxx.ioc** 文件,双击打开,点击 **Generate Code** 即可。 + +.. caution:: 生成完以后,请使用 git reset 功能将被覆盖的 `main.c` 和 `stm32xxx_it.c` 文件撤回,禁止被 cubemx 覆盖。 + +USB Device 移植要点 +----------------------- + +- 使用 **stm32cubemx** 创建工程,配置基本的 RCC、UART (作为log使用) + +.. figure:: img/stm32_1.png +.. figure:: img/stm32_2.png + +- 如果使用 fsdev ip,勾选 **USB** 。如果使用 dwc2 ip,勾选 **USB_OTG_FS** 或者勾选 **USB_OTG_HS**。开启 USB 中断,其他配置对我们没用,代码中不会使用任何 st 的 usb 库。 + +.. figure:: img/stm32_3_1.png +.. figure:: img/stm32_3.png + +- 配置 usb clock 为 48M + +.. figure:: img/stm32_4_1.png +.. figure:: img/stm32_4.png + +- 选择好工程,这里我们选择 keil,设置好 stack 和 heap,如果使用 msc 可以推荐设置大点,然后点击 **Generate Code**。 + +.. figure:: img/stm32_5.png + +- 添加 CherryUSB 必须要的源码( **usbd_core.c** 、 **usb_dc_dwc2.c** 或者是 **usb_dc_fsdev.c** ),以及想要使用的 class 驱动,可以将对应的 class template 添加方便测试。 + +.. figure:: img/stm32_6.png + +- 头文件该加的加 + +.. figure:: img/stm32_7.png + +- 复制一份 **usb_config.h**,这里放到 `Core/Inc` 目录下 + +.. figure:: img/stm32_8.png + +- 如果使用 dwc2 ip,编译选项中需要添加 `CONFIG_USB_DWC2_PORT=xxx`,使用 PA11/PA12 则 **xxx=FS_PORT**,使用 PB14/PB15 则 **xxx=HS_PORT** + +.. figure:: img/stm32_9.png + +- 编译器推荐使用 **AC6**。勾选 **Microlib**,并实现 **printf** ,方便后续查看 log。 +.. figure:: img/stm32_10.png +.. figure:: img/stm32_11.png + +- 拷贝 **xxx_msp.c** 中的 **HAL_PCD_MspInit** 函数中的内容到 **usb_dc_low_level_init** 函数中,屏蔽 st 生成的 usb 中断函数和 usb 初始化 + +.. figure:: img/stm32_12.png +.. figure:: img/stm32_13.png +.. figure:: img/stm32_14.png + +- 调用 template 的内容初始化,就可以使用了 + +.. figure:: img/stm32_15.png + +USB Host 移植要点 +----------------------- + +前面 7 步与 Device 一样。需要注意,host 驱动只支持带 dma 的 hs port,所以 fs port 不做支持(没有 dma 你玩什么主机)。 + +- 添加 CherryUSB 必须要的源码( **usbh_core.c** 、 **usb_hc_dwc2.c** 、以及 **osal** 目录下的适配层文件),以及想要使用的 class 驱动(推荐添加除了 hub 之外的所有的 class),可以将对应的 usb host template 添加方便测试。 + +.. figure:: img/stm32_16.png + +- 编译选项中需要添加 `CONFIG_USBHOST_HIGH_WORKQ`,作用是在线程中复位 port。 + +.. figure:: img/stm32_17.png + +- 如果使用的是 F7/H7 这种带 cache功能的,由于 dma 原因,所以需要刷 cache,编译选项中需要添加 `CONFIG_USB_DCACHE_ENABLE`,并实现刷 cache的两个函数。当然,可以不开 dcahe功能,就不需要添加编译选项。 +并且需要搭配 MPU 使用,如果是新手,对 cache不了解,推荐关闭 cache功能。默认 cache 使用 Write Back 属性。 + +.. figure:: img/stm32_17_1.png +.. figure:: img/stm32_17_2.png +.. figure:: img/stm32_17_3.png + +.. note:: STM32 usb dma 访问的 ram 只能在 0x24000000 开始的地址,所以,推荐关闭 0x20000000开始的地址。 + +.. figure:: img/stm32_17_4.png + +- 编译器推荐使用 **AC6**。勾选 **Microlib**,并实现 **printf** ,方便后续查看 log。 +.. figure:: img/stm32_10.png +.. figure:: img/stm32_11.png + +- 拷贝 **xxx_msp.c** 中的 **HAL_HCD_MspInit** 函数中的内容到 **usb_hc_low_level_init** 函数中,屏蔽 st 生成的 usb 中断函数和 usb 初始化 + +.. figure:: img/stm32_12.png +.. figure:: img/stm32_13.png +.. figure:: img/stm32_19.png + +- 调用 **usbh_initialize** 以及 os 需要的启动线程的函数即可使用 + +.. figure:: img/stm32_18.png + +- 如果使用 **msc**,并且带文件系统,需要自行添加文件系统文件了,对应的 porting 编写参考 **fatfs_usbh.c** 文件。 + +.. figure:: img/stm32_20.png
\ No newline at end of file diff --git a/docs/source/quick_start/stm32f429.rst b/docs/source/quick_start/stm32f429.rst deleted file mode 100644 index fcb331c0..00000000 --- a/docs/source/quick_start/stm32f429.rst +++ /dev/null @@ -1,79 +0,0 @@ -基于 STM32F429 开发指南 -========================= - -本节是基于 stm32f429 开发板的使用,仓库中已经默认有主从机的 demo ,其余 stm32 系列,基本类似,所以后续不再赘述。 - -.. note:: stm32的 porting 使用寄存器编写,所以 st 的 usb 库没有一丁点用,想删就删。(ps 主机还没用寄存器,所以删不了) - -工程样例试用 ------------------------ - -默认删除 Drivers ,所以需要使用 stm32cubemx 生成一下 Drivers 目录下的文件,demo 底下提供了 **stm32f429igt6.ioc** 文件,双击打开,点击 **Generate Code** 即可。 - - -USB Device 移植要点 ------------------------ - -- 使用 **stm32cubemx** 创建工程,配置基本的 RCC、UART (作为log使用) - -.. figure:: img/stm32f429_1.png -.. figure:: img/stm32f429_2.png - -- 如果使用 PA11 和 PA12,勾选 **USB_OTG_FS**,否则勾选 **USB_OTG_HS**,并按下面进行配置,我们只需要开启中断和 gpio 配置,其他配置对我们没用。 - -.. figure:: img/stm32f429_3.png - -- 配置 usb clock 为 48M - -.. figure:: img/stm32f429_4.png - -- 选择好工程,这里我们选择 keil,设置好 stack 和 heap,如果使用 msc 可以推荐设置大点,然后点击 **Generate Code**。 - -.. figure:: img/stm32f429_5.png - -- 添加 CherryUSB 必须要的源码( **usbd_core.c** 、 **usb_dc_synopsys.c** ),以及想要使用的 class 驱动,可以将对应的 class template 添加方便测试。 - -.. figure:: img/stm32f429_6.png - -- 头文件该加的加 - -.. figure:: img/stm32f429_7.png - -- 复制一份 **usb_config.h**,这里放到 `Core/Inc` 目录下 - -.. figure:: img/stm32f429_8.png - -- 如果使用 PB14 和 PB15,并且仅使用 FS 模式,编译选项中添加 `CONFIG_USB_HS_IN_FULL`,剩下的按照下图配置,编译器推荐使用 **AC6**。打开 **Microlib**,后续 **printf** 使用 - -.. figure:: img/stm32f429_9.png -.. figure:: img/stm32f429_10.png - -- 实现 printf,如果关闭 usb 的log,可以不实现 - -.. figure:: img/stm32f429_11.png - -- 拷贝 **xxx_msp.c** 中的 **HAL_PCD_MspInit** 函数中的内容到 **usb_dc_low_level_init** 函数中,屏蔽 st 生成的 usb 中断函数和 usb 初始化 - -.. figure:: img/stm32f429_12.png -.. figure:: img/stm32f429_13.png -.. figure:: img/stm32f429_14.png -.. figure:: img/stm32f429_15.png - -- 主函数屏蔽 **stm32cubemx** 生成的中断函数和 usb 初始化,然后调用 template 的内容初始化,就可以使用了 - -USB Host 移植要点 ------------------------ - -前面 9 步与 Device 一样,目前 Host 暂时用的 st 的 hal 库,后面有时间了再整理成寄存器的并进行优化。 - -- 添加 CherryUSB 必须要的源码( **usbh_core.c** 、 **usb_hc_synopsys.c** 、以及 **osal** 目录下的适配层文件),以及想要使用的 class 驱动(推荐添加除了 hub 之外的所有的 class),可以将对应的 usb host template 添加方便测试。 - -.. figure:: img/stm32f429_16.png - -- 主函数屏蔽 st 的 usb 初始化,屏蔽 st 生成的 usb 中断函数,然后调用 **usbh_initialize** 以及 os 需要的启动线程的函数即可使用 - -.. figure:: img/stm32f429_17.png - -- 如果使用 **msc**,并且带文件系统,需要自行添加文件系统文件了,对应的 porting 编写参考 **fatfs_usbh.c** 文件。 - -.. figure:: img/stm32f429_18.png
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