alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-09-30 19:19:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

usb_host: Use USB_Host library calls for desc printing

Browse Source
This commit is contained in:
Tomas Rezucha
2022-02-11 20:26:35 +01:00
parent 3074981dcb
commit e3ba980d11
5 changed files with 91 additions and 53 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
examples/peripherals/usb/host/cdc/cdc_acm_host/README.md
View File

@@ -33,23 +33,26 @@ idf.py -p PORT flash monitor
See the Getting Started Guide for full steps to configure and use ESP-IDF to build projects.
### Running with dual USB CDC device
USB CDC device example [tusb_serial_device example](../../../device/tusb_serial_device)
can be configured to act as dual CDC device.
In the device example project, enter command `idf.py menuconfig` and set Component config->TinyUSB Stack->Communication Device Class (CDC)->CDC channel Count to `2`.
This settings also changes device's PID, so `EXAMPLE_USB_DEVICE_PID` in [usb-cdc.c](./main/usb-cdc.c) must be changed to `0x4002`.
## Example Output
After the flashing you should see the output at idf monitor:
```
...
I (256) USB-CDC: USB Host installed
I (256) USB-CDC: Opening CDC ACM device 0x303A:0x4001
CDC Header Descriptor:
bcdCDC: 1.20
CDC Call Descriptor:
bmCapabilities: 0x00
bDataInterface: 1
CDC ACM Descriptor:
bmCapabilities: 0x02
CDC Union Descriptor:
bControlInterface: 0
bSubordinateInterface[0]: 1
...
Device descriptor is printed here
...
I (1666) USB-CDC: Data received
I (1666) USB-CDC: 0x3ffc4c20 41 54 0d |AT.|
I (2666) USB-CDC: Data received