usb_cdc_acm: USB device not ready, drop data

RE: usb_cdc_acm: USB device not ready, drop data

Hieu — Thu, 30 May 2024 13:37:15 GMT

Glad to know you have figured it out. Please feel free to close this case at your convenience then.

RE: usb_cdc_acm: USB device not ready, drop data

jrt — Thu, 30 May 2024 09:26:07 GMT

I change CONFIG_USB_DEVICE_INITIALIZE_AT_BOOT to y, and it works.

RE: usb_cdc_acm: USB device not ready, drop data

Hieu — Thu, 30 May 2024 07:01:47 GMT

Could you please share your compile Kconfig and Devicetree files? They are:

<build dir>/zephyr/.config
<build dir>/zephyr/zephyr.dts

RE: usb_cdc_acm: USB device not ready, drop data

jrt — Wed, 29 May 2024 19:13:57 GMT

I tried with the 2.6.1

with the shell_module sample I use

CONFIG_USB_DEVICE_STACK=y
CONFIG_USB_DEVICE_PRODUCT="Zephyr USB shell sample"
CONFIG_SHELL_BACKEND_SERIAL_CHECK_DTR=y
CONFIG_UART_LINE_CTRL=y
CONFIG_SHELL_BACKEND_SERIAL_INIT_PRIORITY=51
CONFIG_USB_DEVICE_INITIALIZE_AT_BOOT=n

and it works .

With the radio_test sample, I did the same but I did not have ttyACM2.(2.6.1 SDK and the nrf7002DK) the only message I got in the console is: *** Booting nRF Connect SDK 3758bcbfa5cd *** and nothing else.

As I wrote with the 2.3.0 SDK radio_test sample works.

Why ?

What I am missing ?

RE: usb_cdc_acm: USB device not ready, drop data

Hieu — Mon, 27 May 2024 08:50:09 GMT

Hi jrt,

How are you using version 2.5.99? It is the version number for the SDK while being developed towards 2.6.0. There should not be any branches or tags with that version number.

Regardless, please try using v2.6.1 and see if the problem has improved.

Hieu

RE: usb_cdc_acm: USB device not ready, drop data

jrt — Sun, 26 May 2024 14:30:37 GMT

I tried with the nrf7002-DK,

With the sdk 2.3.0 It works I a have the shell through an usb cable on ttyACM2,

But with the sdk 2.5.99 I do not have a new tty, and the shell is on the ttyACM1, not through my second usb cable .