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Add freq_ctr app

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The freq_ctr app is a small application that is implementing a
simplistic direct-mode frequency counter using the internal 32.768kHz
oscillator and two TC blocks. One of them is used to generate a 1Hz
signal, which is then subsequently used by the other TC to trigger
a counter read after exactly 1s.

This is in itself not something useful on a simtrace2 device.  However,
it is a separate 'app' and I prefer to have the code here in master
over some obscure branch that's easy to forget about.

Change-Id: I2249bfb8dd6a88d85d406f3b33537377133d0939
This commit is contained in:
Harald Welte
2019-02-28 18:24:36 +01:00
parent b7e326cad3
commit bb9b0dc8e8
4 changed files with 122 additions and 0 deletions
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10
firmware/apps/freq_ctr/usb_strings.txt Normal file
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sysmocom - s.f.m.c. GmbH
SIMtrace 2 compatible device
SIMtrace Sniffer
SIMtrace CCID
SIMtrace Phone
SIMtrace MITM
CardEmulator Modem 1
CardEmulator Modem 2
CardEmulator Modem 3
CardEmulator Modem 4