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9329c5e44e
Firmware now detects the hardware it is running on at startup and refuses to run if it is compiled for the wrong platform. The board ID returned by firmware to the host is now derived from run-time detection rather than a compile-time value. A separate method to retrieve compile-time supported platform is added. On HackRF One, pin straps are checked to determine hardware revision. This is informational to aid troubleshooting and does not affect any function.
The primary firmware source code for USB HackRF devices is hackrf_usb. Most of the other directories contain firmware source code for test and development. The common directory contains source code shared by multiple HackRF firmware projects. The cpld directory contains HDL source for the CPLD. The firmware is set up for compilation with the GCC toolchain available here: https://developer.arm.com/open-source/gnu-toolchain/gnu-rm/downloads Required dependency: https://github.com/mossmann/libopencm3 If you are using git, the preferred way to install libopencm3 is to use the submodule: $ cd .. $ git submodule init $ git submodule update To build and install a standard firmware image for HackRF One: $ cd hackrf_usb $ mkdir build $ cd build $ cmake .. $ make $ hackrf_spiflash -w hackrf_usb.bin If you have a Jawbreaker, add -DBOARD=JAWBREAKER to the cmake command. If you have a rad1o, use -DBOARD=RAD1O instead. It is possible to use a USB Device Firmware Upgrade (DFU) method to load firmware into RAM. This is normally only required to recover a device that has had faulty firmware loaded, but it can also be useful for firmware developers. For loading firmware into RAM with DFU you will need: http://dfu-util.sourceforge.net/ To start up HackRF One in DFU mode, hold down the DFU button while powering it on or while pressing and releasing the RESET button. Release the DFU button after the 3V3 LED illuminates. A .dfu file is built by default when building firmware. Alternatively you can use a known good .dfu file from a release package. Load the firmware into RAM with: $ dfu-util --device 1fc9:000c --alt 0 --download hackrf_usb.dfu