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Author Archives: Administrator
ARM:0016 STM32CubeMX – problems with RTC
This is a very short message about proper initialization of RTC (real time clock). There is one trick designed in HAL and in several internet resources it is wrongly described. Proper RTC init: Find “MX_RTC_Init(void)“, scroll to “USER CODE BEGIN … Continue reading
ARM:0015 STM32CubeMX screen libraries, part 2
Continued from Part 1. There are lots of different LCD or OLED screens in the market. Typically, it is possible to define 3 types of screens according to interface type: I2C, SPI and parallel data bus. There are also analog … Continue reading
ARM:0014 STM32CubeMX libraries for sensors and screens
In fact, any new program written for MCU is only copy-paste from older projects. Not real copy paste, but using the same libraries and subroutines. For some upcoming bigger project, I decided to use STM32 microcontroller, this means, I need … Continue reading
ARM:0013 STM32CubeMX – USB HID keyboard
Now we will build a USB keyboard. This project is based on STM32CubeMX canned example, HID mouse (see previous article). But we will change mouse to keyboard. Both devices are from the same HID class. First we need to change … Continue reading
ARM:0012 STM32CubeMX – USB HID mouse
Next canned project for STM32F103 MCU using the cube- USB HID mouse. HID (human interface device) means it is the standard device compatible with all computers with USB ports. STM32CubeMX has all device descriptors and init procedures already built in. … Continue reading
ARM:0011 STM32CubeMX – Pin interrupts
Next tutorial- interrupts, keyboard (PS2 input) and USB COM port. I have a small keyboard in my stash. It was from some flop device made by Amstrad. This keyboard has a 4 pin connector and I had hoped that it … Continue reading
ARM:0009a – bug in CubeMX makefile
First you generate code, then you regenerate code, do make and… > “make.exe” all make.exe all -C .. make.exe[1]: Entering directory ‘F:/MyDoks/elektronika/ARM/daiktas-cube/SINGLE_UART’ Makefile:118: *** missing separator. Stop. make.exe[1]: Leaving directory ‘F:/MyDoks/elektronika/ARM/daiktas-cube/SINGLE_UART’ make.exe: *** [makefile:3: all] Error 2 > Process Exit … Continue reading
ARM:0010 STM32CubeMX- USB 2 COM dongle
This article is also an introduction, but this time a bit more practical- USB to serial port (COM) dongle. This tutorial will show how to create USB devices from “canned” software using only STM32CubeMX. For this example I used some … Continue reading
ARM:0009 STM32CubeMX tool from STM MCUs
There will be several posts about using the cheapest MCU board from China. So called Bluepill- PCB containing STM32F103C8T6 microcontroller, USB connector and some small elements. For a few bucks/euros we have upto 72MHz CPU, 64Kb of ROM and up … Continue reading
Collecting horses in Fallout 4
Due to a virus outbreak I was burning my time: It is some type of fetish.