Stm Flash Loader Demonstrator

After installing the tool, open it from this location “C:Program Files (x86)STMicroelectronicsSoftwareFlash Loader Demo” by double clicking on “STMFlashLoader Demo.exe” file. Before proceeding further, make sure that the STM32 Blue Pill Board is connected to the USB to Serial Programmer through USART connections and the BOOT0 pin is. FlashLoader Demonstrator 2.8.0 is an application offered by the software company STMicroelectronics. Sometimes, users try to uninstall this program. Sometimes this can be hard because performing this manually requires some skill regarding Windows program uninstallation. I would like to program my STM32f4 using the UART interface. I found out that I can use the Flash Loader Demonstrator, however I cant find a site to download the most updated version. If anyone could point me to the right direction I would gladly appreciate it. Thanks in advance.

STM32 ARM-based micros from STMicroelectronics pack high density resources than any other conventional microcontroller. They are also high speed devices, operating typically at 72MHz and beyond. Despite several advanced features and heavy resources, they turn out to be misfortunes for beginners who wish to play with them. Available in market are several cool STM32 boards but most of them are not well documented. The aim of this document is to address some common FAQs.

Typically most people ask the following question:

How to program the STM32 micro embedded in my development board?
What tools do I need to get started?
What compiler support do I have for STM32?
What resources are available for STM32 on the internet?

In this doc, I’ll be addressing these FAQs along with some basics as I had similar questions in my early expeditions with STM32 micros. When I started with STM32 these questions were there as they are now. Literally there was nothing to address them till now. Most experts take it for granted that those who are beginning with ARMs must have heavy knowledge on the topic and thus skip answering these simple or silly questions.

Well I decided to break this stalemate for any starter no matter what’s his/her experience. Firstly most people nowadays believe ARM is only for mobile phones, PDAs, tablets, etc. and can’t be used like other micros like AVRs and PICs. This is completely wrong. Firstly because no one has set such a rule and secondly because there’s no limit to requirements in an embedded design. However it would be wasteful to make simple LED blinking stuffs with such chips. When it comes to size and resources ARM varies in all aspects. You can have an ARM chip with similar resources available in a typical 8 bit or 16 bit micro and yet you can also have an ARM chip with high resources. For instance if you think of flash memory, an ARM chip can have a few kilobytes to several megabytes of flash memory. Thus not just for real-time operating systems, phones, DSP, graphical processing and so on but also for other kinds of embedded systems the door for ARM is always open. It’ll completely depend on its user. STM32 portfolio has wide ranges of 32 bit ARM micros just as I described. A quick look on ST’s page will give you a brief idea: http://www.st.com/web/en/catalog/mmc/FM141/SC1169 .

Answering from the last, let’s see what resources are available for STM32s on the internet. Going back to ST’s site one can clearly see that there are several app notes for STM32s. At the time of writing this doc there 83 app notes on ST’s page. Obviously then there are reference manuals, datasheet and other docs too. Of these the important ones are the datasheet of a particular micro and its family reference manual. The rest of the stuffs are various software and tools but here confusion arises. We’ll see what other things are needed later but for now let’s see the purpose of reference manuals and datasheet. The reference manual is needed for understanding the internal hardware of a particular STM32 family, the registers associated with these hardware, programming techniques and what “not”s and what “are”s. These make it the core document of all. Datasheet basically give overviews of the devices. Books available for STM32-based ARMs are hard to find but still found a book called Discovering STM32 on Google search’s first page.

Regarding compiler selection, there are several available for STM32 micros. The most common ones are Keil, CooCox and MikroC PRO for ARM. My personal favourite is MikroC (http://www.mikroe.com/mikroc/arm/) as I’m already familiar with MikroC for AVR and 8051. MikroC comes with lot of easy-to-use built-in and examples and so it’s a good compiler to work with. Anyone familiar with MikroC will not have any trouble using it for ARM. With MikroC one can go to raw levels and he/she can also go for easy library-based coding.

Now let’s see what tools we’ll need for STM32 micros. The first tool we’ll need is called Flash Loader Demonstrator (http://www.st.com/web/en/catalog/tools/PF257525). Basically it’s a programmer GUI based on factory loaded bootloader that allows a user to load, erase, verify, read or set configuration bits for his/her STM32 micro. The second tool is called Microxplorer (http://www.st.com/web/en/catalog/tools/PF251717). This tool allows a user to graphically set configurations for IO ports, internal hardware and many more. Basically it’ll help you reduce your time debugging registers. Both of these software are free and easy to use. The last but not the least tool is called Timer Calculator (http://www.libstock.com/projects/view/398/timer-calculator). It’s a handy tool for those who’ll use MikroC for ARM. It can be used to generate codes for timer interrupts and timer-based stuffs. There are other tools too.

The final topic is about loading code to a STM32 micro. There are two ways either by a JTAG programmer like ST-Link or by bootloader and UART. The former is the best choice as it is a programmer and a debugger but in terms of expense this is unnecessary as the chips come with preprogramed bootloader. Thus the latter method of using bootloader and UART is simplest and also the most popular solution. This is also my personal preference as I didn’t want to spend for another programmer just for the purpose studying. This is the method I’ll describe here. Let’s see the board:

stm32 flash loader demonstrator um0462

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