I did not publish any BBQ posts for a while. But this time I tried something new: Brisket the sous vide way.
Brisket Sandwich
Smokerless Smoked Brisked – Sous Vide for +55h at 66°C
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Tag Archives: Tips&Tricks
Upgrading a Laser Cutter with Cohesion3D Mini and LCD
I’m very happy with my 50W Laser Cutter (see “Getting Control over a 50 Watt CO2 Laser Cutter from China“). My main decision factors were (and still are): Software, software, tools and again software, and down in the list finally the hardware. Same thing for that laser cutter. After several upgrades (see “50W Laser Cutter Upgrades“), it was time replace the stock controller hardware with a new one including LCD display:
New Laser Cutter LCD Panel
Debugging ARM Cores with IP based Debug Probes and Eclipse
Using IP (Ethernet) based debug probes is a very handy thing: I don’t have to be directly connected to the debug probe (e.g. with the USB cable). This article explains how to use an IP-based Segger or P&E probe with the Eclipse based MCUXpresso IDE.
LAN Based Debugging
Recovering OpenSDA Boards with Windows 10
Windows 8 and 10 have added a ‘feature’ to scan and index devices attached to the host machine. This means that bootloaders or MSD (Mass Storage Device) programming implementations on evaluation boards developed in the Windows 7 age might not be prepared for that. Up to the point that it can impact the bootloader as outlined in “Bricking and Recovering OpenSDA Boards in Windows 8 and 10“. So far one of the easiest way to get out that situation was to use a Windows 7 machine. But if you only have a Windows 10 machine available, this article describes the needed steps to update the bootloader with Windows 10 host machines.
OpenSDA LED
Listing Code and Data Size with GNU nm in Eclipse
The map file produced by the GNU linker includes lots of information, however it is very cryptic to read. In “Listing Code and Data Size for each Source File with GNU and Eclipse” I showed how the GNU size utility can be used to report the code and data size for each object file. The Eclipse based MCUXpresso IDE comes with another nice view which shows detailed information about code and data allocation:
Symbol Viewer in MCUXpresso IDE
Shortcut to Switch between Eclipse Perspectives
To switch between perspectives I can use the toolbar in Eclipse:
Eclipse Perspective Toolbar
But there must be another or better way to do this?
Easy Box Making for Laser Cutters
I love my laser cutter because it makes it easy to create nice wood boxes:
Wood Box
Converting Binary Files to Intel Hex Format with the SRecord Tool
I’m dealing a lot with bootloaders recently (see “Flash-Resident USB-HID Bootloader with the NXP Kinetis K22 Microcontroller“), and bootloaders are sometimes very picky about what file format they are able to consume. So what if I have a binary (see “S-Record, Intel Hex and Binary Files“) file and I need to convert it into the Intel Hex format?
converted binary to intel hex
Tutorial: CRC32 Checksum with the KBOOT Bootloader
In “Flash-Resident USB-HID Bootloader with the NXP Kinetis K22 Microcontroller” I presented how I’m using the tinyK22 (or FRDM-K22F) with a flash resident USB HID bootloader. To make sure that the loaded application is not corrupted somehow, it is important to verify it with a Cyclic redundancy Checksum (CRC). The NXP KBOOT Bootloader can verify such a CRC, but how to generate one and how to use it is not really obvious (at least to me), so this article explains how to generate that CRC.
CRC Values for KBOOT
Using a Laser Cutter and Engraver with Cellulose Acetate Sheets
I’m mostly using my 50W laser cutter machine with plywood, simply because that material is available and very inexpensive. I have used it cutting or engraving PMMA (Polymethyl methacrylate or ‘Plexiglas’), simply because that material is more expensive.
From a reader of this blog I received something to experiment with: Cellulose Acetate sheets. Time to experiment with something new 🙂
Washed off
MCU on Eclipse 