> PS: Is it possible to avoid assignment of equal priorities > to different IRQs at same time in configtool/cdl.
You can use an implies statement in one of the options. eg in CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL0_INTPRIO0 have requires { is_active(CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL0_INTPRIO1) implies { CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL0_INTPRIO0 != CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL0_INTPRIO1 } } Andrew