I am writing down the full difference -
CodeVisionAVR V3.49 Evaluation
Free, 4kbytes code size limited version. Includes also the
Evaluation version of the LCD Vision font and image editor, with
disabled saving of the generated C source code.
CodeVisionAVR V3.49 Commercial
Password protected setup of the commercial version, including
the full LCD Vision font and image editor..
Note: An Advanced license is required to use LCD Vision and
the color TFT graphic libraries.
Setup Instructions -
CodeVisionAVR V3 is designed to be used both in its own IDE and also as an Extension in Microchip Studio 7.
It is compatible with Windows® Vista, 7, 8 and 10, 32 and 64-bit operating systems.
For the Extension to be installed correctly, Microchip Studio 7 must be already present on the computer, before the CodeVisionAVR installer is launched.
Important Notes:
Due to high software piracy we were forced to protect our product with the advanced code compression and encryption techniques implemented by the commercial product WinLicense from Oreans Technologies.
However these techniques may trigger false alarms in some antivirurses like BitDefender, ESET, AVAST or AVG, preventing CodeVisionAVR from being executed.
In such cases you need to add the whole CodeVisionAVR installation \BIN folder to the antivirus file exclusion list. Basically I have to face this while developing an app with the help of
mobile app development company. When installing and using Atmel Studio and CodeVisionAVR, the user must be logged in as Administrator in Windows.
•When installing CodeVisionAVR under Windows 8 and 8.1, please right click on the CodeVisionAVR, LCD Vision and Atmel Studio icons on the desktop, select Properties|Advanced and enable the Run as Administrator option
•During Atmel Studio installation under Windows XP, the checkbox Protect my computer and data from unauthorized program activity must be unchecked.
•If the older Atmel Studio 6 is present on the computer, it must be first fully uninstalled before installing Microchip Studio 7 and CodeVisionAVR.
After uninstalling the old Atmel Studio, the remaining C:\Program Files (x86)\Atmel\Atmel Studio 6.x directory and files must be deleted.
•The Naggy extension for Atmel Studio is not compatible with CodeVisionAVR.
When using CodeVisionAVR, Naggy must be disabled from the Microchip Studio's menu: Tools|Disable Naggy.After Microchip Studio 7 has been installed, you may unzip the downloaded file in a temporary directory and launch the CodeVisionAVR installer.
Note: When installing CodeVisionAVR under Windows Vista, the User Account Control must be disabled, as outlined in the instructions.
CodeVisionAVR can be also used with its own IDE without having to install Microchip Studio.
This may be useful if the user wants to preserve disk space or has a slower computer.
Some users may wish to install both Microchip Studio 7 and the old AVR Studio 4.19 on the same computer.
In this case the debugger to be used can be selected in the Settings|Debugger menu of the CodeVisionAVR IDE.
There isn't really much difference there may be some differences in which chips are supported under Codevision so you may want to check for the chip you plan to use.
There are different IDE's available Codevsion has its own IDE and there are different IDE to choose from for Atmel's avr C (like AVR Studio 4) But you could also use WinAVR which is uses GCC, or you could use GCC with another IDE of your choice or you can go without the IDE entirely. If you do use GCC this is a good website to check out AVR Libc. For even more information and tutorials about AVR you should check AVR Freaks.
There are a few things that I'm aware of:
In Codevision you can refer to the individual bits (pins) in a port directly like: PINA.1 rather than shifting them in.
Storing data in program memory is a little more user friendly in Codevision
The Codevision compiler supplies a few pseudo registers that you can use to make sure a read from a 16-bit register is atomic.
Interrupts are installed differently.
Hope this will help everyone.
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