USB Descriptors

Setup data bytes Read more

STM32 USB Device Interface

Device Class Initialization (WORK IN PROGRESS) Setting endpoint FIFO buffers If we wish to use certain endpoints for transfer, we first must assign FIFO buffer sizes. Otherwise, the transfer wont work. Example code: Device class specification struct Device class initialization... Read more

Letsencrypt Manual Wildcard Certificate Issuing

Copy file from https://raw.githubusercontent.com/joohoi/acme-dns-certbot-joohoi/master/acme-dns-auth.py to /etc/letsencrypt/acme-dns-auth.py and change user to root and chmod to 0755. Also adjust script to appropriate python version. Then simply add record to DNS system, and continue execution of script. Single domain issuing using DNS TXT... Read more

Datadog Synthetic Tests with Terraform

To simplify management of Datadog synthetic tests, I decided to use Terraform. After playing with it a bit, I came with following module structure which covers few cases that I needed to handle. HTTP Status Monitoring To cover HTTP status... Read more