Atmel Studio 6 For Mac Os X

Posted : admin On 25.12.2020

Introduction

Atmel Studio brings all the building, editing and debugging capabilities of Visual Studio to Atmel microcontroller development. It even includes the Visual Assist X productivity component which provides advanced Intellisense and Content Assist functionality. Download Atmel Studio 6 Go through Educationwithajs.blogspot.inIt is available in July,2017 post.direct link - https://drive.google.com/open?id=0B1WhKG-6EW. IEEE 802.15.4 MAC Project Wizard provides user interface to create firmware projects based on AVR2025 MAC stack using Atmel microcontrollers. More information Supported Products: Atmel Studio 6.2. Studio 6 and 7 will run but the performance is too lousy to allow you to work properly. With Studio 4, the performance is good enough, even on a virtual OS. One thing Atmel did do right was to allow you to import older AVRStudio 4 projects as there are lots of older projects available in training kits and on the web. Alternatives to Atmel Studio for Windows, Mac, Linux, Web, Arduino IDE and more. Filter by license to discover only free or Open Source alternatives. This list contains a total of 5 apps similar to Atmel Studio. List updated: 4/19/2018 10:54:00 AM.

This page documents the Atmel Studio 6 IDE RTOS demo application that runs on both the SAM3S and SAM3X ARM Cortex-M3 microcontrollers from Atmel. The demo uses the FreeRTOS GCC ARM Cortex-M3 port, and components of the comprehensive Atmel Software Framework (ASF).

Two pre-configured projects are provided. One runs on the SAM3S-EK2 evaluation kit, and the other on the SAM3X-EK evaluation kit.

IMPORTANT! Notes on using the FreeRTOS SAM3 demo projects

Please read all the following points before using this RTOS port. See also the FAQ My application does not run, what could be wrong?

Source Code Organisation

For convenience of distribution, the official FreeRTOS zip file download includes source code files for all the RTOS ports, and all the RTOS demo applications. The projects presented on this page only need a small subset of these files. See the Source Code Organization section for a description of the downloaded files and information on creating a new project.

The Atmel Studio 6 Solution file for the ATSAM3S-EK2 demo application is called RTOSDemo.atsln, and is located in the FreeRTOS/Demo/CORTEX_ATSAM3S-EK2_Atmel_Studio directory.

The Atmel Studio 6 Solution file for the ATSAM3X-EK demo application is also called RTOSDemo.atsln, and is located in the FreeRTOS/Demo/CORTEX_ATSAM3X_Atmel_Studio directory.

The Preparing the Project Directory Structure section of this page contains important information on preparing this directory.


The Atmel Studio ARM Cortex-M3 Demo Application


Hardware set up

If mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 0 (see the functionality section below), then the demo will include the standard com test tasks. The standard demo com test creates two tasks – a Tx task that sends characters to the USART, and an Rx task that expects to receive every character sent by the Tx task. A loopback connector is required on the USART port for this mechanism to work – simply link pin 2 to pin 3 on the 9 way connector marked “USART” on the SAM3S-EK2 and SAM3X-EK hardware.

It should be noted that the com test tasks are included to demonstrate queues being used to communicate between tasks and interrupts, and to demonstrate a context switch being performed from inside an interrupt service routine. The serial driver used is not intended to represent an efficient implementation. Real applications should make use of the USART’s peripheral DMA channel (PDC).


Functionality

mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is defined in main.c. The behaviour of the demo depends on its setting.


Functionality with mainCREATE_SIMPLE_BLINKY_DEMO_ONLY set to 1

If mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1 then main() will call main_blinky(). main_blinky() creates a very simple demo as follows:
  • The main_blinky() Function:

    main_blinky() creates one queue, and two tasks. It then starts the RTOS scheduler.

  • The Queue Send Task:

    The queue send task is implemented by the prvQueueSendTask() function in main_blinky.c. It sends the value 100 to the queue every 200 milliseconds.

  • The Queue Receive Task:

    The queue receive task is implemented by the prvQueueReceiveTask() function in main_blinky.c. It repeatedly reads from the queue with a block time specified, causing it to enter the Blocked state if the queue is empty. The task toggles the red/orange LED each time the value 100 is received from the queue, therefore, because the queue send task sends to the queue every 200 milliseconds, the queue receive task should exit the Blocked state and toggle the red/orange LED every 200 milliseconds.


Functionality with mainCREATE_SIMPLE_BLINKY_DEMO_ONLY set to 0

If mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 0 then main() will call main_full(). main_full() creates a comprehensive test and demo application that demonstrates:
  • Software timers.
  • Queues.
  • Mutexes.
  • Semaphores.
  • A simple interrupt service routine that causes an RTOS task context switch.
The created tasks are from the set of standard demo tasks. Standard demo tasks are used by all FreeRTOS port demo applications. They have no specific functionality, and are created just to demonstrate how to use the FreeRTOS API, and test the RTOS port.

main() creates 34 tasks and three software timers before starting the RTOS scheduler. The demo then dynamically and continuously creates and deletes a further two tasks while it is running.

Atmel Studio 6 For Mac Os X64

A ‘check’ software timer is created that periodically inspects the standard demo tasks to ensure all the tasks are functioning as expected. The check software timer’s callback function toggles the green LED on the SAM3 development hardware. This gives visual feedback of the system health. If the green LED is toggling every 3 seconds, then the check software timer has not discovered any problems. If the LED is toggling every 200 milliseconds, then the check software timer has discovered a problem in one or more tasks. This mechanism can be tested by removing the loopback connector, and in so doing, deliberately causing the com test tasks to fail.


Preparing the Project Directory Structure

Atmel Studio requires all the source files built by a project to be located in, or in subdirectories of, the directory that contains the Atmel Studio project itself. It is therefore necessary to copy the FreeRTOS and standard demo source files used by the demo applications from their locations in the standard FreeRTOS directory structure into the demo directory. A batch file called CreateProjectDirectoryStructure.bat is provided for this purpose.

CreateProjectDirectoryStructure.bat is located in the same directory that contains the Atmel Studio 6 solution, and must be executed before the demo application can be built successfully.


Building and executing the demo application

Mac
  1. Ensure the CreateProjectDirectoryStructure.bat batch file has been executed.
  2. Open either the FreeRTOS/Demo/CORTEX_ATSAM3S-EK2_Atmel_Studio/RTOSDemo.atsln or FreeRTOS/Demo/CORTEX_ATSAM3X_Atmel_Studio/RTOSDemo.atsln (as appropriate) from within the Atmel Studio IDE.
  3. Open main.c, and set mainCREATE_SIMPLE_BLINKY_DEMO_ONLY to generate either the simply blinky demo, or the full test and demo application, as required.
  4. Ensure the target hardware is connected to the host computer using a suitable J-Link or SAM-ICE interface. The project was created using a J-Link.
  5. Select ‘Build Solution’ from the IDE’s ‘Build’ menu, the RTOSDemo project should build without any errors or warnings.
  6. After the build completes, select “Start Debug and Break” from the IDE’s Debug menu to program the SAM3 microcontroller flash memory, start a debug session, and have the debugger break on entry into the main() function.


RTOS Configuration and Usage Details


ARM Cortex-M3 FreeRTOS port specific configuration

Configuration items specific to this demo are contained in FreeRTOS/Demo/CORTEX_ATSAM3S-EK2_Atmel_Studio/src/FreeRTOSConfig.h or FreeRTOS/Demo/CORTEX_ATSAM3X_Atmel_Studio/src/FreeRTOSConfig.h, depending on the project in use. The constants defined in this file can be edited to suit your application. In particular –
  • configTICK_RATE_HZ

    This sets the frequency of the RTOS tick interrupt. The supplied value of 1000Hz is useful for testing the RTOS kernel functionality but is faster than most applications need. Lowering the frequency will improve efficiency.

  • configKERNEL_INTERRUPT_PRIORITY and configMAX_SYSCALL_INTERRUPT_PRIORITY

    See the RTOS kernel configuration documentation for full information on these configuration constants.

  • configLIBRARY_LOWEST_INTERRUPT_PRIORITY and configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY

    Whereas configKERNEL_INTERRUPT_PRIORITY and configMAX_SYSCALL_INTERRUPT_PRIORITY are full eight bit shifted values, defined to be used as raw numbers directly in the ARM Cortex-M3 NVIC registers, configLIBRARY_LOWEST_INTERRUPT_PRIORITY and configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY are equivalents that are defined using just the 4 priority bits implemented in the SAM3 NVIC. These values are provided because the CMSIS library function NVIC_SetPriority() requires the un-shifted 4 bit format.

Attention please!: See the page dedicated to setting interrupt priorities on ARM Cortex-M devices. Remember that ARM Cortex-M cores use numerically low priority numbers to represent HIGH priority interrupts. This can seem counter-intuitive and is easy to forget! If you wish to assign an interrupt a low priority do NOT assign it a priority of 0 (or other low numeric value) as this will result in the interrupt actually having the highest priority in the system – and therefore potentially make your system crash if this priority is above configMAX_SYSCALL_INTERRUPT_PRIORITY. Also, do not leave interrupt priorities unassigned, as by default they will have a priority of 0 and therefore the highest priority possible.

The lowest priority on a ARM Cortex-M core is in fact 255 – however different ARM Cortex-M microcontroller manufacturers implement a different number of priority bits and supply library functions that expect priorities to be specified in different ways. For example, on Atmel SAM3 ARM Cortex-M3 microcontrollers, the lowest priority you can specify is in fact 15 – this is defined by the constant configLIBRARY_LOWEST_INTERRUPT_PRIORITY in FreeRTOSConfig.h. The highest priority that can be assigned is always zero.

It is also recommended to ensure that all priority bits are assigned as being preemption priority bits, and none as sub priority bits, as they are in the provided demo.

Each port #defines ‘BaseType_t’ to equal the most efficient data type for that processor. This port defines BaseType_t to be of type long.

/the-elder-scrolls-v-skyrim-serial-key-pc.html.

Interrupt service routines

Unlike many FreeRTOS ports, interrupt service routines that cause a context switch have no special requirements, and can be written as per the compiler documentation. The macro portEND_SWITCHING_ISR() can be used to request a context switch from within an interrupt service routine.

Note that portEND_SWITCHING_ISR() will leave interrupts enabled.

The following source code snippet is provided as an example. The interrupt uses a semaphore to synchronise with a task (not shown), and calls portEND_SWITCHING_ISR to ensure the interrupt returns directly to the task. See the function USART1_Handler() in the file serial.c included in this demo project for another example.

Only FreeRTOS API functions that end in “FromISR” can be called from an interrupt service routine – and then only if the priority of the interrupt is less than or equal to that set by the configMAX_SYSCALL_INTERRUPT_PRIORITY configuration constant (or configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY).


Resources used by FreeRTOS

FreeRTOS requires exclusive use of the SysTick and PendSV interrupts. SVC number #0 is also used.


Switching between the pre-emptive and co-operative RTOS kernels

Set the definition configUSE_PREEMPTION within FreeRTOSConfig.h to 1 to use pre-emption or 0 to use co-operative. The full demo application may not execute correctly when the co-operative RTOS scheduler is selected.


Compiler options

As with all the ports, it is essential that the correct compiler options are used. The best way to ensure this is to base your application on the provided demo application files.


Memory allocation

Source/Portable/MemMang/heap_4.c is included in the ARM Cortex-M3 demo application project to provide the memory allocation required by the RTOS kernel. Please refer to the Memory Management section of the API documentation for full information.


Miscellaneous

Atmel Studio 6 For Mac Os X 10.10

Note that vPortEndScheduler() has not been implemented.

This section provides links and instructions for downloading the Pololu AVR C/C++ Library. Please see the Pololu AVR Programming Quick Start Guide for detailed instructions on how to get started using the library in Linux, Windows, or Mac.

Atmel Studio 6 For Mac Os X Download

Installers for Windows

For Windows users, we recommend first downloading and installing an appropriate version of Atmel Studio before you install the Pololu AVR C/C++ Library. If you are using Windows 7 or later, we recommend Atmel Studio 7.0 because it is the latest version supported by our installers. If you are using Windows Vista, we recommend Atmel Studio 6.2 because Atmel Studio 7.0 does not support Windows Vista. After installing Atmel Studio, we recommend downloading the Pololu AVR Development Bundle for Windows, which contains the library along with some drivers you might need. For people who only need the library and do not want any drivers, a standalone installer for the library is also provided. Both installers will automatically detect Atmel Studio and WinAVR and give you the option to integrate the library into either toolchain.

These are the latest installers for Windows we provide:

  • Pololu AVR Development Bundle for Windows (~11MB exe): recommended download for Windows users
  • Pololu AVR Library Installer for Windows (~1MB exe): library only

ZIP files

We provide ZIP files with binaries and source code for Linux and Mac OS X users and advanced Windows users who do not want to use an installer.

  • libpololu-avr-151002.zip (3MB zip): latest version
  • libpololu-avr-150324.zip (3MB zip)
  • libpololu-avr-140513.zip (3MB zip)
  • libpololu-avr-131009.zip (3MB zip)
  • libpololu-avr-130508.zip (3MB zip)
  • libpololu-avr-121115.zip (3MB zip)
  • libpololu-avr-120913.zip (3MB zip)
  • libpololu-avr-120821.zip (3MB zip)
  • libpololu-avr-120711.zip (3MB zip)
  • libpololu-avr-120510.zip (3MB zip)
  • libpololu-avr-120329.zip (3MB zip)
  • libpololu-avr-101104.zip (2MB zip)
  • libpololu-avr-100607.zip (2MB zip)
  • libpololu-avr-100326.zip (2MB zip)
  • libpololu-avr-100129.zip (1MB zip)
  • libpololu-avr-091201.zip (1MB zip)
  • libpololu-avr-091106.zip (1MB zip)
  • libpololu-avr-090605.zip (721k zip)
  • libpololu-avr-090420.zip (719k zip)
  • libpololu-avr-090414.src.zip (1MB zip)
  • libpololu-avr-081209.src.zip (295k zip)
  • libpololu-avr-081209.zip (254k zip)
  • libpololu-avr-081104.src.zip (292k zip)
  • libpololu-avr-081104.zip (251k zip)

The source code of the library is also available in the libpololu-avr repository on GitHub.

Atmel Studio 6 For Mac Os X 64

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