LittleKernel
LittleKernel structure on izirun modules
More info on Hackaday https://hackaday.io/project/177725-izirun-modules
Boards
32F769IDISCOVERY
Let’s talk a little bit about 32F769IDISCOVERY, a dev board that I recently bought in order to play with ARM® Cortex®-M7. The 32F769IDISCOVERY is powered by STM32F769NIH6 with 64Mb (512Mbit) Quad-SPI Flash memory and 16Mb (128Mbit) SDRAM. It’s composed by the main board STM32F769I-DISCO and TFT LCD board B-LCD40-DSI1. My Read more…
Uncategorized
URL API Date Time
Sometimes when I work on my projects, I need to get the current date and time. Basically this can be achieved by using a RTC or NTP server. But when none of this options can be used, the simplest way I found, is to use a simple url request from Read more…
Hardware
AVR-ISP-MK2 OLIMEX
This is a little post that shows the pinout of the AVR-ISP-MK2 programmer made by Olimex. Sometime we may need to change the programming protocol ISP,PDI,etc… and we don’t remember all the time the pin configuration. The objective of this post it’s a quick remember of the AVR-ISP-MK2 pin configuration.
Makefile
GNU Make (Makefile)
As you already know, a major part of the projects are managed using Make tool. The Make it’s a nice tool which controls the generation of executables based on rules. In this post I will share some of things that I found useful when you begin a project using Makefile. Read more…
NuttX
Background Mode vs Windows Mode
In this post I will explain the difference between the background mode and windows mode, at least as I understand it so far and I saw when I’ve done the tests. The idea is, when you want to display something on the screen either you choose to handle the background Read more…
NuttX
Graphics Nokia 3310 using NuttX
On this post I will present same of my experience working with NX Graphics Subsystem. For this I created a new folder which is called cmngraphic on apps->exemples where I will test some graphics functions used on NX. For the moment I only tested same functions, but I will try further to Read more…
NuttX
Nokia 3310 demo using NuttX
Because I found this tutorial NuttX chanal and I remember that I have an old Nokia 3310 display, I continu to test NuttX using Nucleo L476RG board. Here are the pins configuration on Nokia 3310 display. Nokia 3310 pinout In order to interconnect the Nokia LCD 3310 with the Nucleo board I decide to Read more…
NuttX
First contact with NuttX
Recently I found a new RTOS called NuttX and I was pleasantly surprised to see that is a powerful and flexible real time operating system. It can be used for 8 bit MCU to 32 bit MCU in a small footprint and implements the POSIX and ANSI standard. I found that Read more…