Workalot is working on a DfuFileMgr 'look a like' (wdfufm if you will). It is to be embedded within a PC application.A first run through of 'wdfufm' establishes UM0391, 15-Feb-2007, sec 2.1, page 4 (aka 1st testament) misleads. In particular with th...

I'm not alone in my confusion I think, when taking in the information of RM0313, rev6, page 838. And that is how to handle the 't' (toggle bits) in the EP registers. Where RM0313 mentions that read-modify-write is be avoided, I see in ST's code (and ...

Posted on July 18, 2017 at 13:51Workalot would like to obtain the MCU's ID, just like the STM32 ST-Link utility does. It reports an ID 0x413 and a 1MB Flash for my STM32F4Discovery.To be clear, I am not after the 96 bit UID (at 0x1FFF7A10) nor am I ...

Posted on January 06, 2016 at 07:15 Getting a working CDC VCP on the STM32F4DISCOVERY is almost there. Device enumeration, SET/GET_LINE_CODING, SET_CONTROL_LINE_STATE and VCP PC -> STM32 data delivery are in place. Workalot is stuck on ge...

Posted on December 13, 2015 at 01:59 Workalot is struggling with enumeration of an USB VCP application. While USBRST and ENUMDNE interrupts are being captured no other interupts are. Perhaps a kind observer may glance over the register settings ...