Posted on September 06, 2016 at 16:30
STM32_USB_Device_Library
* @file usbd_audio.c
* @version V2.4.2
* @date 11-December-2015
included in all of STM32Cube packages.
1) Audio format type conflict
In this implementa...
Posted on June 30, 2016 at 23:08
As the USB host power switch, most of Discovery boards mount STMPS2141STR, whose Enable pin is active low. For USB device-only applications, CubeMX generates bad initialization code, which wrongly enables this po...
Posted on May 02, 2013 at 21:47
ST libraries in problem: STM32_USB-Host-Device_Lib_V2.1.0
Fixed usb_dcd_int.c is attached to this post.
On this post, bil.til had pointed out on the problem of flooded ''empty FIFO'' interrupts on STM3...
Posted on January 20, 2017 at 14:36
Liêm Lê wrote:
mine is CUH-ZCT2 (Dualshock 4 ver2)
OK, your USB device is a composite device of four interfaces,
0 Audio Control
1 Audio Streaming (OUT)
2 Audio Streaming (IN)
3 HID
You may sti...
Posted on January 19, 2017 at 18:47 Vyacheslav Popov wrote: But what is the 2 volts which I measure in VBUS when cable is disconnected? Non zero voltage in VBUS is reason why disconnect callback is not called. Maybe your board mount a wrong p...
Posted on January 19, 2017 at 17:06Liêm Lê wrote:Dualshock4 (PS4's controller) which has 4 interface (bNumInterfaces) but there are 6 elements in the Itf_Desc[] array.It sounds odd.I don't have Dualshock 4. I've searched for its descriptors on the n...
Posted on November 29, 2016 at 16:35> 1. Is there's a way to connect to device immediately when it appears ? > 2. How can I filter this symbols from receiving symbol stream ? I'm dealing not only with plain text info from PC so I can't just filter ...
Posted on November 05, 2016 at 14:06Hi rapid84, On high-speed (HS) bus also, the MPS (Max Packet Size) of HID interrupt endpoint(s) is limited to 64 bytes, under current implementation of built-in HID driver on major OS (Windows, Mac and Linux). By ...
