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Delphi 11.2 BLE for Android

Информация о материале
Автор: Vsevolod V Gromov
Категория: Resources
Опубликовано: 27 февраля 2023
Просмотров: 15
  • embarcadero
  • ble
  • bluetooth
  • code
  • issues
  • fixed
  • delphi
A number of fixes for Delphi 10.2 RTL BLE for Android, avoiding tedious main thread locks, and Android BLE descriptors leaks, consequently causing BLE stack to stop working, unless hardware BLE being toggled explicitly.

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Delphi 11.2 BLE for Windows RT

Информация о материале
Автор: Vsevolod V Gromov
Категория: Resources
Опубликовано: 27 февраля 2023
Просмотров: 14
  • embarcadero
  • windows
  • winrt
  • ble
  • bluetooth
  • code
  • issues
  • fixed
  • delphi
A quick fixup for Embarcadero BLE runtime, at least allowing to work with Windows 8+ BLE subsystem without deadlocks

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PZEM T004 Single-phase mains parameter WIFI logger using ESP8266

Информация о материале
Автор: Vsevolod V Gromov
Категория: DIY, electronics
Опубликовано: 15 августа 2020
Просмотров: 930
  • esp8266
  • wifi
  • diy
  • pzem
  • t004
  • iot
  • power
  • logger

In memory of my mother, Gromova Margarita Ivanovna. Thank you, and rest in peace.

iconThe following is a result of more than two years of efforts, in fields of PCB and schematics software mastering, C software design, ESP8266 platform development, and struggling through quirks of Embarcadero;s Firemonkey framework in C++, all in spare time between a supper, and night sleep.
Finally, ESP8266+PZEM T004 - based WIFI PowerMetering logger is here, both, as IoT firmware, and PC client software.

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C++ Reflection approach

Информация о материале
Автор: Vsevolod V Gromov
Категория: Programming
Опубликовано: 04 сентября 2018
Просмотров: 1189
  • programming
  • esfwx
  • c++
  • whitepaper

A brief article on C++ reflection approach implemented in ESFWX framework

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Implementing custom-drawn series for FMX TeeChart library

Информация о материале
Автор: Vsevolod V Gromov
Категория: Embarcadero
Опубликовано: 22 июня 2018
Просмотров: 1304

steema-logoRequirements and pre-conditions:

  1. Chart series may contain different point types:
    1. First, let's call them 'automatic' - which may have been acquired by some logger process, in ordered, evenly spaced moments in time.
    2. Other type is 'manual', - meaning, that thesee may be acquired as a result of explicit user-to-device interaction during the same measurement session, as an automatic ones. These manual points usually have an arbitrary distributed x, and sometimes even y values.
  2. Chart series should draw automatic and manual points differently, while allowing these points to be iterated as a members of the same sequence.

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building boost with MSVC from command line

Информация о материале
Автор: Vsevolod V Gromov
Категория: Programming
Опубликовано: 30 января 2018
Просмотров: 1414

When using boost framework, which I usually try to avoid, if possible, I further avoid using its binary libraries. Mainly because it's required to build these, and it's not as easy as it may seem.
First, you should build the boost build engine itself. My most recent attempt was with boost 1.66 + MSVC 2017. Needless to say, that I ran into quite usual showstopper. Boost could not compile b2 because it could not find a few C++ headers, and libraries. Following are necessary steps to perform to avoid these obstacles.

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SDMMC over SPI library with ESP8266

Информация о материале
Автор: Vsevolod V Gromov
Категория: Programming
Опубликовано: 24 июля 2017
Просмотров: 1524
  • programming
  • esp8266
  • sdmmc
  • spi
  • hspi
  • embedded

I started ESP8266 project, the first step was to support SDMMC over SPI. I have implemented SDMMC SPI interface years ago. The main challenge was to adapt it to new MCU core. After many attempts, it was up and running. Below are lessons learned.

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Deploying and Signing OSX app the right way

Информация о материале
Автор: Vsevolod V Gromov
Категория: Embarcadero
Опубликовано: 18 мая 2017
Просмотров: 1589
  • third-parties
  • esscript
  • deployment
  • macos
  • cppbuilder

Recently, I've complete my 'geshtalt' - migrate and release Windows FMX app, Ecolight-AP under MacOSX platform. And, by God, it was painful and hard, mainly due to EMB toolchain tried to fracture my butt on almost each final step.
The dehydrated knowledge here is crystallized two weeks of pain and swearing, and sweatting.
Problem starts reveling itself after all Debug stuff was successfully brushed on MAC, under PAServer session, and Release for App Store was created with Developer ID * certificates, which allow to install from signed local pkg.

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  1. FTDI EVE header library
  2. PO2TXT converter script for FMX TLang
  3. Restricting Windows FMX application to single instance
  4. Using distinct elements of standard style in our own GUI elements
  5. ES Framework
  6. It's dynamic linking time, with C++Bulder and OSX
  7. Firemonkey style hack
  8. Some notes on working with FMX styles

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Популярные метки

programming 17 embarcadero 8 esscript 8 third-parties 6 embedded 4 firemonkey 4 example 4 utilities 3 styles 3 excatsoft 3

Последние публикации

  • Delphi 11.2 BLE for Android
  • Delphi 11.2 BLE for Windows RT
  • ESS Scripting Console command line parameters
  • PZEM T004 Single-phase mains parameter WIFI logger using ESP8266
  • C++ Reflection approach
  • ESS script to convert UTF-8 into C escaped hex
  • Implementing custom-drawn series for FMX TeeChart library
  • building boost with MSVC from command line
  • Example of changes to the new version of esscript
  • SDMMC over SPI library with ESP8266
  • ES Script example of I2C interfacing to OPT3001 lighting sensor
  • ES Script example of communicating with AD-7732 UART camera
  • Deploying and Signing OSX app the right way
  • FTDI EVE header library
  • ES Script example of FTDI MPSSE controlling 28BYJ-48 stepper motor
  • PO2TXT converter script for FMX TLang

Самое читаемое

  • esscript NMEA parser
  • NXP MCU ISP excerpt from ES Script codebase
  • ES script object dynamic layout
  • NMEA parser extension for MTK 3333
  • Конфигурация svnserve
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