LAUNCHXL-CC2650: Out of the box demo's hag at Hwi_excHandler

Hi,

Trying to get some of the examples for launchxl-cc2650 working that are provided with ble_sdk_2_02_01_18

Specifically:

"\TI\simplelink\ble_sdk_2_02_01_18\examples\cc2650lp\simple_peripheral"

I can use UniFlash and download the .hex files to the board and verify that they work with BLE Scanner or similar on Android, so I know the hardware is working.

Here is my development setup:

CCS V7.3.0.00019 (Fresh install today)

TI ARM Compiler 5.2.9 (Its the closest I could find to the recommended 5.2.6 compile.

BLE SDK V2.02.01.18

CC2650 Launchpad Revision 1.2

I've imported both the cc2650lp_stack and cc2650lp_app and both compile without issue.

I download them onto the launchpad in debug mode, I can set a breakpoint in main at BIOS_Start().

Nothing happens on the PCB, and when I press pause the device is stuck in:

"ti_sysbios_family_arm_m3_Hwi_execHandler__I(...)"

Can anyone shed some light on why this is happening?  More importantly how do I debug / fix this?

Thanks

Stomp!