It takes lot of time and work to do all these separately, especially when the task involves lots of error debugging and reworking on the source code.
GETTING STARTED WITH KEIL 5 SOFTWARE
Writing was done in a text editor like notepad/wordpad, compiling was done using a separate software (probably a dedicated compiler for a particular controller like 8051), converting the assembly code to hex code was done using another software etc.
Earlier people used different softwares/applications for all these 3 tasks.
This includes writing the program in assembly language or C language in a text editor like notepad, compiling the program in a compiler and finally generating the hex code from the compiled program. Before “burning a program” into a controller, we must do certain prerequisite operations with the program. Usually it is called “ burning software” into the controller. One of the important part in making an embedded system is loading the software/program we develop into the microcontroller. Microcontrollers are nothing without a Program in it. Some real life examples of embedded systems may involve ticketing machines, vending machines, temperature controlling unit in air conditioners etc.
You can call these applications embedded systems as it involves hardware (8051 microcontroller) and software (the code written in assembly language). If you are still wondering about an embedded system, just take a look at these circuit applications using 8051 microcontroller. Embedded system means some combination of computer hardware and programmable software which is specially designed for a particular task like displaying message on LCD.
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