mmaroti/tinyos — pull request #1 by phsommer (2012-12-17 13:40:18+00:00)
Title: rf212/rf230: Check that radio chip is not in sleep mode while reading th...

...e IRQ status register. There is a small chance that an interrupt fires just before the radio is put into sleep mode. Accessing the status register while the radio is sleeping will result in a wrong reading (all status bits read as high due to the pull-up resistor on the SPI data line).