This adds a new command "hw sethfthresh" to configure the thresholds
used inside the FPGA while demodulating ISO14443A. The thresholds
need to be increased on particularly noisy hardware, such as certain
Chinese PM3 Easy clones.
Include statements in individual files are not required when compiling the code the correct way as a project with an explicitly defined work library. The Makefile exactly replicates the compilation process of the ISE environment and generates the required project files.
