|Subject:||Re: [Paparazzi-devel] New GPS for centimeter level precision GPS|
|Date:||Thu, 14 Nov 2013 18:06:15 +0100|
I am just thinking about the FPGA closed source code. If the operation capabilities of swift-nav would be a serious concern for the US government then the normal process is to classify the unit ITAR-controlled. Apparently, unless you are an army contractor you really want to avoid this because it restricts the market of the product significantly. So limiting the operation by FPGA code to avoid ITAR control might be a valid concern.
However I think a more realistic answer is that they just want to avoid mass-production of the hardware by other vendors. Actually this can be also justified, although I still consider the price too high. I am looking forward to seeing ublox and other GPS suppliers come out with their own DGPS or swiftnav-like solution in the coming year(s) for a more reasonable price.
Date: Thu, 14 Nov 2013 09:47:40 +0100
Subject: Re: [Paparazzi-devel] New GPS for centimeter level precision GPS
The original email from swift nav:
We can provide you with the bill of materials if you like - however, at low quantities, getting the PCB and stencil made, sourcing the components, and assembling it yourself is probably going to be more expensive than buying it from us.
The FPGA boots from the M25P80 SPI Flash on board. We're intending to provide updates to the FPGA design as we develop it further, but for the most part the only thing that you should need to change while developing for the Piksi is the STM32 firmware. If you build the hardware yourself, you'll need to get a key for the FPGA design from us and program it into the SPI Flash - we'll provide that to you for free for small numbers of boards.
We're big fans of Paparazzi - we used to use it at Joby Energy while working on airborne wind turbines.
If you give me your email address I can email you a spreadsheet of the bill of materials.
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