Matt Saunders from ARM is running a free webinar session on debugging @ http://www.element14.com/community/events/3363?ICID=webinar_featured
It's a Cortex M4, not the ARM11 on the Pi but should still be interesting
Matt Saunders from ARM is running a free webinar session on debugging @ http://www.element14.com/community/events/3363?ICID=webinar_featured
It's a Cortex M4, not the ARM11 on the Pi but should still be interesting
Cortex-M4 is arguably the most powerful microcontroller core in existence today (as opposed to applications processors), and yet it costs very little. For example, the STM32F4-Discovery board --- http://www.st.com/internet/evalboard/product/252419.jsp is based on a Cortex-M4 and is available from Farnell UK for under 10 pounds -- http://uk.farnell.com/stmicroelectronics/stm32f4discovery/board-eval-stm32f4-discovery/dp/2009276
Raspberry Pi is rather poorly endowed with hardware interfaces, but the STM32F4 is positively brimming with them, as well as having the usual features of a 32-bit ARM and DSP instructions and a hardware floating point unit which takes it far beyond Arduino territory.
As a result, it's really hard to beat the combination of Raspberry Pi doing high-level work and an STM32F4-Discovery board doing low-level realtime work, interfaced together through SPI, I2C, or just plain USB.
So, to anyone interested in hardware interfacing, I strongly recommend attending Matt Saunders' webinar!
Debugging is important even if it's your first day with ARM. 
Morgaine.
