Development software for STM32 designs
2 April 2014
Design Automation
STMicroelectronics has unveiled STM32Cube, a powerful and free new design tool and software for its STM32 microcontroller portfolio.
The new development platform comprises the STM32CubeMX graphical configurator and initialisation C-code generator that provides step-by-step guidance for users and a set of rich embedded software components that save integrating software from multiple sources. The software includes a new hardware abstraction layer (HAL) that simplifies porting from one STM32 device to another.
By gathering all the generic software components needed for developing applications on STM32 microcontrollers into one single package, this platform eliminates the complex task of assessing dependencies between individual software components. STM32Cube provides hundreds of usage examples and an update mechanism for fast and efficient access to the latest versions of the software.
STM32CubeMX is also available as an Eclipse plug-in, allowing use within Eclipse-based development environments. The tool provides an easy-to-use filter for selecting the desired STM32 device and graphical wizards to simplify configuration: the pin-out wizard assists pin assignment to avoid conflicts, embedding a powerful constraints solver; the clock tree wizard assigns clocks and performs dynamic validation; the peripherals and middleware wizard aids configuration to avoid unusable settings; and the power consumption wizard checks that the application meets the available power budget.
The new HAL offers a high abstraction level, hence simplifying the porting of an application from one STM32 microcontroller to another. Features include support for re-entrant APIs allowing use with an RTOS, extra function calls allowing developers to target specific peripheral features and thereby leverage the rich functionality of STM32 microcontrollers, and support for polling, interrupt and DMA (direct memory access) programming models.
Also new, STM32CubeF4 middleware includes a TCP/IP stack, a full USB host and device stack supporting multiple classes, the STemWin professional graphics stack developed by ST with SEGGER, the FatFS open-source file system, and the FreeRTOS open-source real-time operating system, coming with optional CMSIS-RTOS programming interface.
For more information contact Erich Nast, Avnet Kopp, +27 (0)11 319 8600, [email protected], www.avnet.co.za
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