GUI and OS supports SuperH microcontroller
05 August 2008
A graphical user interface and real-time operating system reduce development times.
The emWIN, embedded GUI (graphical user interface) and embOS, real-time operating system, supporting Renesas’s SH7203 SuperH microcontroller have been announced. Together they provide the ability to develop graphical applications for SuperH devices and to reduce development times and design budgets, it is claimed.
EmWIN is written in ANSI C and supports any type of graphical display, from a simple one to high-end graphics applications with semi-transparency, anti-aliasing and widgets. The included simulation package can be used to write and test the user interface on the PC. It provides a method of debugging and hardware-independent development.
EmbOS is a zero-interrupt latency, RTOS (real-time operating system) that is optimised for minimum memory consumption in both RAM and ROM. It is modular allowing only functions needed to be linked, to keep the size of the ROM small.
Tasks can be created and communication with each other using mechanisms such as semaphore, mailboxes and events. Interrupt service routines cna also use this approach.
A starter kit is available. The SH7203RSK+ is powerful enough to enable full debugging and development. It is supplied with the company’s E10A debugger, power supply and a USB stick. It also includes the company’s C compiler and embedded workshop. There is also a QVGA TFT display for use with the emWIN software.
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