On Sun, Nov 20, 2011 at 02:34:05PM +0100, Kuba wrote: > I am new to the list, trying to dive into the world of MSP430 and I > already thank you for the great work around mspgcc/mspdebug. Thanks! > > After playing a bit with the original Launchpad I also purchased the > FRAM experimenters board ( MSP-EXP430FR5739 ) mostly because it has > lots of outputs/peripherals and onboard accellerometer, so I can > extend my play/learntime without making boards myself. > > However, from start I got an error in programming using mspdebug > (newest git version) that the device cannot be erased. I found > somewhere else, that this usually ends in the device actually being > erased but not responding. A solution was to unplug/replug the board > to USB, load the program and run. This worked, though it is pretty > annoying to need to replug the board. > Any idea what causes an after-erase error? > > Worse, though, is that after a number of such programming cycles I > received a message that the "security fuse is blown (error 30)" which > disabled my access to the board alltogether. Problem is, I did not ask > for fuse blow (a probably difficult JTAG procedure?) so how on earth > could that happen? > > This all is happening under linux (mint debian edition). If I try to > debug the board from Windows (CCS 5.1) I simply get message that the > board is not accessible. > > > Is it possible I really blew the security fuse by accident? If so, I > guess my only option is to buy a new board, right? Any other way to > check for that? (from CCS itself perhaps?)
Hi Kuba, A few people have run into this problem. I'm not sure what causes it, but it is recoverable if you access the chip via the bootstrap loader and perform a mass erase. Cheers, Daniel -- D.L. Beer Engineering www.dlbeer.co.nz ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-novd2d _______________________________________________ Mspgcc-users mailing list Mspgcc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mspgcc-users
