#SKIMMER JT65 WINDOWS#
The process is easy and SparkSDR2 supports Windows and Linux. I opted to use SparkSDR2 by Alan Hopper M0NNB. To program the gateware there are two options. My actual reason for changing the gateware was to try the 10-slice receive gateware for use with SparkSDR as a grabber for CW Skimmer, as well as all of the other digital modes (RTTY, PSK, WSPR, FT8, JT65, etc.).įor this, stable/20201212_72p8/variants/hl2b5up_cicrx/hl2b5up_cicrx.rbf (direct link to download) which supports 10 receiver slices but does not include transmit. Quisk doesn’t seem to care what the file is called. Whatever you chose, you may need to rename the “.rbf” file to “hl2b5up_main.rbf” to allow it to be flashed by SparkSDR. Use stable/20201212_72p8/hl2b5up_main/hl2b5up_main.rbf (direct link to download) which supports up to 4 receiver slices, but also includes transmit and is suitable for general use – again – read the notes that are supplied! They are important. Once you have read the readme and are happy with the notes supplied with the version of the bitfile (the actual compiled file the FPGA is sent to configure itself), then you are ready to go. Since the original publication of this post, this has been rolled into the stable/20201212_72p8 release. At the time of writing the original article “testing/20201107_72p5” was the latest version that was recommended for more general use. I started off by finding the latest “testing” version of the HL2 gateware, which can be found in the repositories mentioned above. If you have an earlier build, then there are different files required which are also present in the variants folders. One final note, the links I provide are for Hermes-Lite 2.0 build5 and later. The second receive only gateware swaps the transmit logic for extra receive logic, resulting in 10 receive-only slices. The first is the standard gateware that supports both transmit and receive on 4 slices. Here I will cover two versions that I find interesting. It is important to note that some of the gateware files in these folders are compiled with special features and are often not recommended for general use. You are best advised to hunt around Steve Haynal KF7O’s project repositories for the Hermes-Lite2 under the gateware\bitfiles folder and find a version that best suits your needs. There are many versions of gateware available for the Hermes Lite 2.
This difference is immaterial here, but it is useful to know.
#SKIMMER JT65 CODE#
Only, firmware is code that runs on a CPU or microcontroller, and gateware is code that configures the internal connections of an FPGA. The gateware of the HL2 is a bit like what you may consider as firmware.
#SKIMMER JT65 UPDATE#
Update the SkimSrv DLL plugin to a version using the WDT configuration.Update the HL2 gateware to a version allowing the WDT to be adjusted/disabled.
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