ChibiOS Free Embedded RTOS

Oh, yes compatibility, now that make sense. I've been looking only from 7 bit adress perspective.

After some battle with stm32f4discovery board and built-in DAC(CS43l22) I disovered why I couldn't receive ACK signal. The problem was that everytime when I tried to make a transfer, address of device was shifted by 1 to the left (addr << 1) that's why DAC 0x94 addres became 0x128. I have discovered ...

Ok, I'm attaching project. No news from iggarpe, I will probaly write to him tomorrow.
Code could be little messy, main problem is device start, probably I'm missing something small but I can't open pipe and because of this device can't start.

No one can help?

Device is addressed, but the endpoint is not open. Here are descriptor and configuration from debug

Connection Status Device connected
Current Configuration 1
Speed Full (12 Mbit/s)
Device Address 3
Number Of Open Pipes 0

Device Descriptor ChibiOS/RT Virtual COM Port
Offset Field Size Value ...

I spoke to iggarpe and he said that he has solution for it, I'm waiting now for it. For now I just want to pass enumeration and run the device using generic drivers. My goal is to build simple audio interface. I chosen Stm32f4Discovery because I bought it some time ago, if You have better idea for ...

Hi,
I'm new in ChibiOS and usb applications, but I want to develop simple USB Desktop speaker using USB Audio Class 2.0 and I have problems with that.
I don't know how exactly initialize device, and how to handle requests from host. I found only one sample code in internet using freescale stack but ...