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✅ #نکات_نهفته؛ 👈 مراحل کامپایل تا فلش یک برنامه روی میکروکنترلر 🔺 صفحه‌ای از این کتاب #Cpp #Programming 🔸 نکات نهفته را دنبال کنید. 🔺 @embedded

فرایند ‌build شدن کد :

این فرایند به طور کل شامل 2 بخش اصلی است
compilation stage & linking stage

✅compilation

ابتدا ماشین پیش پردازنده در کامپایلر از فایل c. ما یک فایل i. تولید می کنه تمام ماکرو ها و include هارو اضافه می کنه به کد
✅parser

در این مرحله ماشین parser در کامپایلر کد ما و دستورات مارو مطابق با استاندارد زبانی که انتخاب کردیم می سنجه و اگر مشکلی در کد باشه در این مرحله به برنامه نویس اطلاع میده

✅code generator

در این بخش کد از زبان سطح بالا به زبان سطح پایین اسمبلی تبدیل می شه و یک فایل s. تولید میشه

✅assembler

در این مرحله کد اسمبلی به کد ماشین تبدیل مشه و فایل o. تولید میشه

✅Linker stage

در این مرحله تمام فایل های C. به هم متصل میشن همه کتابخونه ها و تمام فایل های پروژه و در نهایت لینکر یک فایل elf. تولید می کنه

✅post proccessing stage

دراین مرحله توسط ابزار هایی مثل objcopy tools میان و از فایل قابل دیباگ و قابل اجرا elf. فایل های فقط قابل اجرا bin. و .. رو تولید می کنن
via Roya Ghaennezhad
Source of pic: Microcontroller Embedded C Programming udemy
@embedded

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Embedded Academy Telegram | DID YOU KNOW?

How Does Bitcoin Work?

Bitcoin is built on a distributed digital record called a blockchain. As the name implies, blockchain is a linked body of data, made up of units called blocks that contain information about each and every transaction, including date and time, total value, buyer and seller, and a unique identifying code for each exchange. Entries are strung together in chronological order, creating a digital chain of blocks. “Once a block is added to the blockchain, it becomes accessible to anyone who wishes to view it, acting as a public ledger of cryptocurrency transactions,” says Stacey Harris, consultant for Pelicoin, a network of cryptocurrency ATMs. Blockchain is decentralized, which means it’s not controlled by any one organization. “It’s like a Google Doc that anyone can work on,” says Buchi Okoro, CEO and co-founder of African cryptocurrency exchange Quidax. “Nobody owns it, but anyone who has a link can contribute to it. And as different people update it, your copy also gets updated.”

Should You Buy Bitcoin?

In general, many financial experts support their clients’ desire to buy cryptocurrency, but they don’t recommend it unless clients express interest. “The biggest concern for us is if someone wants to invest in crypto and the investment they choose doesn’t do well, and then all of a sudden they can’t send their kids to college,” says Ian Harvey, a certified financial planner (CFP) in New York City. “Then it wasn’t worth the risk.” The speculative nature of cryptocurrency leads some planners to recommend it for clients’ “side” investments. “Some call it a Vegas account,” says Scott Hammel, a CFP in Dallas. “Let’s keep this away from our real long-term perspective, make sure it doesn’t become too large a portion of your portfolio.” In a very real sense, Bitcoin is like a single stock, and advisors wouldn’t recommend putting a sizable part of your portfolio into any one company. At most, planners suggest putting no more than 1% to 10% into Bitcoin if you’re passionate about it. “If it was one stock, you would never allocate any significant portion of your portfolio to it,” Hammel says.