diff options
| author | sakumisu <[email protected]> | 2022-09-14 20:33:47 +0800 |
|---|---|---|
| committer | sakumisu <[email protected]> | 2022-09-14 20:52:54 +0800 |
| commit | a1b818b635114a68240f698bfcadfeec1f3382cf (patch) | |
| tree | b28b5237dfbc40409a1a7621658245302f25dea7 | |
| parent | 68e7129dab966783892e61075018dc9a63f7e3e0 (diff) | |
update memory usage
| -rw-r--r-- | README.md | 40 | ||||
| -rw-r--r-- | README_zh.md | 40 |
2 files changed, 50 insertions, 30 deletions
@@ -66,14 +66,14 @@ CherryUSB Device Stack has the following functions： CherryUSB Device Stack resource usage (GCC 10.2 with -O2): -| file | FLASH (Byte) | RAM (Byte) | -|:-----------:|:--------------:|:------------:| -|usbd_core.c | 3045 | 373 | -|usbd_cdc.c | 302 | 20 | -|usbd_msc.c | 2452 | 132 | -|usbd_hid.c | 784 | 201 | -|usbd_audio.c | 438 | 14 | -|usbd_video.c | 402 | 4 | +| file | FLASH (Byte) | No Cache RAM (Byte) | RAM (Byte) | Heap (Byte) | +|:-------------:|:--------------:|:-------------------------:|:-------------:|:---------------------------------:| +|usbd_core.c | 3263 | 384 | 17 | 0 | +|usbd_cdc.c | 490 | 0 | 0 | sizeof(struct usbd_interface) * x | +|usbd_msc.c | 2772 | 128 + 512(default) | 16 | sizeof(struct usbd_interface) * x | +|usbd_hid.c | 501 | 0 | 0 | sizeof(struct usbd_interface) * x | +|usbd_audio.c | 1208 | 0 | 4 | sizeof(struct usbd_interface) * x | +|usbd_video.c | 2272 | 0 | 82 | sizeof(struct usbd_interface) * x | ## Host Stack Overview @@ -95,13 +95,23 @@ The CherryUSB Host stack also provides the lsusb function, which allows you to v CherryUSB Host Stack resource usage (GCC 10.2 with -O2): -| file | FLASH (Byte) | RAM (Byte) | -|:-------------:|:--------------:|:------------:| -|usbh_core.c | 7992 | 472 | -|usbh_cdc_acm.c | 1208 | 4 | -|usbh_msc.c | 2239 | 4 | -|usbh_hid.c | 930 | 4 | -|usbh_hub.c | 3878 | 14 | +| file | FLASH (Byte) | No Cache RAM (Byte) | RAM (Byte) | Heap (Byte) | +|:-------------:|:--------------:|:-------------------------------:|:---------------------------:|:-------------------------------:| +|usbh_core.c | 4261 | 512 | 28 | sizeof(struct usbh_urb) | +|usbh_hub.c | 4633 | sizeof(struct usbh_hub) * (1+n) | sizeof(struct usbh_hubport) + 20 | 0 | +|usbh_cdc_acm.c | 1004 | 7 | 4 | sizeof(struct usbh_cdc_acm) * x | +|usbh_msc.c | 1776 | 32 | 4 | sizeof(struct usbh_msc) * x | +|usbh_hid.c | 822 | 128 | 4 | sizeof(struct usbh_hid) * x | + +Among them, `sizeof(struct usbh_hub)` and `sizeof(struct usbh_hubport)` are affected by the following macros： + +``` +#define CONFIG_USBHOST_MAX_EXTHUBS 1 +#define CONFIG_USBHOST_MAX_EHPORTS 4 +#define CONFIG_USBHOST_MAX_INTERFACES 6 +#define CONFIG_USBHOST_MAX_INTF_ALTSETTINGS 1 +#define CONFIG_USBHOST_MAX_ENDPOINTS 4 +``` ## Documentation Tutorial diff --git a/README_zh.md b/README_zh.md index 772e6ec6..b052683e 100644 --- a/README_zh.md +++ b/README_zh.md @@ -65,14 +65,14 @@ CherryUSB Device 协议栈当前实现以下功能： CherryUSB Device 协议栈资源占用说明（GCC 10.2 with -O2）： -| file | FLASH (Byte) | RAM (Byte) | -|:-----------:|:--------------:|:------------:| -|usbd_core.c | 3045 | 373 | -|usbd_cdc.c | 302 | 20 | -|usbd_msc.c | 2452 | 132 | -|usbd_hid.c | 784 | 201 | -|usbd_audio.c | 438 | 14 | -|usbd_video.c | 402 | 4 | +| file | FLASH (Byte) | No Cache RAM (Byte) | RAM (Byte) | Heap (Byte) | +|:-------------:|:--------------:|:-------------------------:|:-------------:|:---------------------------------:| +|usbd_core.c | 3263 | 384 | 17 | 0 | +|usbd_cdc.c | 490 | 0 | 0 | sizeof(struct usbd_interface) * x | +|usbd_msc.c | 2772 | 128 + 512(default) | 16 | sizeof(struct usbd_interface) * x | +|usbd_hid.c | 501 | 0 | 0 | sizeof(struct usbd_interface) * x | +|usbd_audio.c | 1208 | 0 | 4 | sizeof(struct usbd_interface) * x | +|usbd_video.c | 2272 | 0 | 82 | sizeof(struct usbd_interface) * x | ## Host 协议栈简介 @@ -94,13 +94,23 @@ CherryUSB Host 协议栈当前实现以下功能： CherryUSB Host 协议栈资源占用说明（GCC 10.2 with -O2）： -| file | FLASH (Byte) | RAM (Byte) | -|:-------------:|:--------------:|:------------:| -|usbh_core.c | 7992 | 472 | -|usbh_cdc_acm.c | 1208 | 4 | -|usbh_msc.c | 2239 | 4 | -|usbh_hid.c | 930 | 4 | -|usbh_hub.c | 3878 | 14 | +| file | FLASH (Byte) | No Cache RAM (Byte) | RAM (Byte) | Heap (Byte) | +|:-------------:|:--------------:|:-------------------------------:|:---------------------------:|:-------------------------------:| +|usbh_core.c | 4261 | 512 | 28 | sizeof(struct usbh_urb) | +|usbh_hub.c | 4633 | sizeof(struct usbh_hub) * (1+n) | sizeof(struct usbh_hubport) + 20 | 0 | +|usbh_cdc_acm.c | 1004 | 7 | 4 | sizeof(struct usbh_cdc_acm) * x | +|usbh_msc.c | 1776 | 32 | 4 | sizeof(struct usbh_msc) * x | +|usbh_hid.c | 822 | 128 | 4 | sizeof(struct usbh_hid) * x | + +其中，`sizeof(struct usbh_hub)` 和 `sizeof(struct usbh_hubport)` 受以下宏影响： + +``` +#define CONFIG_USBHOST_MAX_EXTHUBS 1 +#define CONFIG_USBHOST_MAX_EHPORTS 4 +#define CONFIG_USBHOST_MAX_INTERFACES 6 +#define CONFIG_USBHOST_MAX_INTF_ALTSETTINGS 1 +#define CONFIG_USBHOST_MAX_ENDPOINTS 4 +``` ## 文档教程 |