Hi all! We were thinking about designing a custom daughterboard for USRP2 board and I'm trying to estimate how much it will take to change the fpga UHD image in order to adapt it to a new daughterboard requirements. Looking in the website for info about the images, it always make reference to the embedded processor as a Microblaze processor, but navigating through the source code I have discovered that the version which I currently have contains a zpu processor instead. Is this correct? Has the processor changed in the last versions? or Am I using an old version of the source code? Thank you very much Asier Alonso Investigador / Researcher UNIDAD DE Telecom Telecom BUSINESS UNIT TECNALIA Parque Tecnológico de Bizkaia Edificio 202 E-48170 Zamudio (Spain) T +902 760 009 T +34 946 430 850 (International calls) asier.alonso@tecnalia.com<mailto:vanesa.martinez@tecnalia.com> www.tecnalia.com<http://www.tecnalia.com> [cid:image001.gif@01CBCE88.1CEDED20] **************** AVISO LEGAL **************** DISCLAIMER **************** Este mensaje es personal y confidencial y su uso no autorizado está prohibido legalmente. Si usted no es el destinatario, proceda a borrarlo, sin reenviarlo ni conservarlo. This message is personal and confidential, unauthorised use is legally prohibited. If you are not the intended recipient, delete it without resending or backing it. **************************************************************************************

On 02/17/2011 01:21 AM, Alonso Muñoz, Asier wrote: > Hi all! > > > > We were thinking about designing a custom daughterboard for USRP2 board > and I'm trying to estimate how much it will take to change the fpga UHD > image in order to adapt it to a new daughterboard requirements. Looking > in the website for info about the images, it always make reference to > the embedded processor as a Microblaze processor, but navigating through > the source code I have discovered that the version which I currently > have contains a zpu processor instead. Is this correct? Has the > processor changed in the last versions? or Am I using an old version of > the source code? You are correct. However, with the UHD driver, the control of daughterboards is handled on the host. You would not need to modify the FPGA or the firmware for the ZPU at all. Matt

Hi Matt! first of all thanks for the quick answer. I understand what you mean but I wonder what would happen if the components we select are programmed in a different way than the ones you have in your daughterboards. However as we haven't selected the components yet, we will think and if necessary ask about it later. >> Hi all! >> >> >> >> We were thinking about designing a custom daughterboard for USRP2 board >> and I'm trying to estimate how much it will take to change the fpga UHD >> image in order to adapt it to a new daughterboard requirements. Looking >> in the website for info about the images, it always make reference to >> the embedded processor as a Microblaze processor, but navigating through >> the source code I have discovered that the version which I currently >> have contains a zpu processor instead. Is this correct? Has the >> processor changed in the last versions? or Am I using an old version of >> the source code? >You are correct. However, with the UHD driver, the control of >daughterboards is handled on the host. You would not need to modify the >FPGA or the firmware for the ZPU at all. >Matt