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update memory usage

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sakumisu
2022-09-14 20:33:47 +08:00
parent 68e7129dab
commit a1b818b635
2 changed files with 50 additions and 30 deletions
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README.md
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@@ -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