POSIX IPC on Cortex-M architectures

Tyler Gilbert of CoActionOS explains how to implement the system components required send and receive POSIX-style signals-a form of IPC–between concurrently running tasks on the Cortex-M architecture and then specifically with the Cortex-M3 (CM3). The ARM Cortex-M architecture is a 32-bit microcontroller core designed to replace many 8-bit and 16-bit devices. This is in contrast to the ARM Cortex-A architecture, an …

RIM Unveils BlackBerry BBX Mobile Platform

By Adrian Bridgwater, October 20, 2011 Wide-ranging new developer tool updates accompany new platform release Embattled smartphone company Research In Motion (RIM) has been hard at work trying to restore its slightly tarnished reputation of late by unveiling the BlackBerry BBX next generation mobile platform. The new release is accompanied by a series of developer tool updates, including WebWorks for …

RIM Unveils BlackBerry BBX Mobile Platform

By Adrian Bridgwater, October 20, 2011 Wide-ranging new developer tool updates accompany new platform release Embattled smartphone company Research In Motion (RIM) has been hard at work trying to restore its slightly tarnished reputation of late by unveiling the BlackBerry BBX next generation mobile platform. The new release is accompanied by a series of developer tool updates, including WebWorks for …