Jared Boone jboone
jboone
/ gist:7713722
Created
November 30, 2013 00:22
Quick code to locate discontinuities in a test capture file.
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| #!/usr/bin/env python | |
| import sys | |
| import numpy | |
| f = open(sys.argv[1], 'rb') | |
| d = f.read(2) | |
| test_data = numpy.arange(-128, 126, dtype=numpy.int8) |
jboone
/ gist:7713957
Created
November 30, 2013 00:46
LPC43xx configuration for controlling CPLD RX decimation.
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| void sgpio_configure_pin_functions() { | |
| ... | |
| scu_pinmux(SCU_PINMUX_SGPIO13, SCU_GPIO_FAST | SCU_CONF_FUNCTION4); /* GPIO5[12] */ | |
| scu_pinmux(SCU_PINMUX_SGPIO14, SCU_GPIO_FAST | SCU_CONF_FUNCTION4); /* GPIO5[13] */ | |
| scu_pinmux(SCU_PINMUX_SGPIO15, SCU_GPIO_FAST | SCU_CONF_FUNCTION4); /* GPIO5[14] */ | |
| sgpio_cpld_stream_rx_set_decimation(0); | |
| GPIO_DIR(GPIO5) |= GPIOPIN14 | GPIOPIN13 | GPIOPIN12; |
jboone
/ gist:8079391
Created
December 22, 2013 07:16
Fast third-order CIC for s8:s8 (complex) data.
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| ldrd t1, t2, [buf], #8 /* 3: t1 = Q3:I3:Q2:I2 */ | |
| /* t2 = Q5:I5:Q4:I4 */ | |
| /* What if I did this using ROL/ROR and SEL? */ | |
| /* Q3:I3:Q2:I2,Q5:I5:Q4:I4 -> */ | |
| smuad t3, i, taps /* 1: t3 = I1 * 3 + I0 * 1 */ | |
| smuad t4, q, taps /* 1: t4 = Q1 * 3 + Q0 * 1 */ | |
| sxtb16 i, t1, ror #0 /* 1: i = I3:I2 */ |
jboone
/ SDR Hellschreiber
Created
March 3, 2014 16:59
Quick and dirty Hellschreiber code for ToorCon San Diego 15's software defined radio workshop
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| #!/usr/bin/env python | |
| import math | |
| import numpy | |
| import scipy.fftpack | |
| import scipy.signal | |
| letters = { |
jboone
/ gist:340abf06d38ee220b86f
Created
May 10, 2014 18:47
Gnarly Python code to pick through the wreckage of an MPEG-2 transport stream.
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| #!/usr/bin/env python | |
| # | |
| # Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc. | |
| # | |
| # This program is free software; you can redistribute it and/or modify | |
| # it under the terms of the GNU General Public License as published by | |
| # the Free Software Foundation; either version 2, or (at your option) | |
| # any later version. | |
| # |
jboone
/ portapack_cpld.c
Created
June 20, 2014 05:59
Code to program PortaPack CPLD (Altera MAX V) based on process in .SVF file.
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| static void portapack_cpld_jtag_tck(const uint_fast8_t value) { | |
| if(value) { | |
| gpio_set(PORTAPACK_CPLD_JTAG_TCK_GPIO_PORT, PORTAPACK_CPLD_JTAG_TCK_GPIO_BIT); | |
| } else { | |
| gpio_clear(PORTAPACK_CPLD_JTAG_TCK_GPIO_PORT, PORTAPACK_CPLD_JTAG_TCK_GPIO_BIT); | |
| } | |
| } | |
| static void portapack_cpld_jtag_tdi(const uint_fast8_t value) { | |
| if(value) { |
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| <- Link Good 7 | |
| FE* FE* FE* F7* 07 68 07 68 | |
| -> Link Good 7 | |
| FE* FE* FE* F7* 07 68 07 68 | |
| --------------------------------------- | |
| -> Link Credit A | |
| FE* FE* FE* F7* 80 A0 80 A0 |
jboone
/ gist:57f1e354ea7949c61832
Last active
August 29, 2015 14:14
Setting up original-recipe PortaPack code
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| wget http://sharebrained.com/downloads/portapack_cpld_downgrade.dfu | |
| # Plug in with DFU held. | |
| dfu-util --download portapack_cpld_downgrade.dfu | |
| # Screen should go white. | |
| # Wait for green LED to blink. | |
| # Screen should be black. | |
| # Unplug. |
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| KiCad Workshop (subject to change, and bound by time constraints) | |
| Features and functionality | |
| Large-scale examples, including HackRF and Daisho projects | |
| Background | |
| Cross platform | |
| Open source -- contribute! Bugs, documentation, code. | |
| CERN involvement -- donate! | |
| Goals for today: | |
| Know what KiCad can and can't do | |
| Have some idea how to do basic things |
jboone
/ morse_synth.py
Last active
June 7, 2022 16:32
Morse code baseband file synthesizer for HackRF.
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| #!/usr/bin/env python | |
| # Copyright (C) 2015 Jared Boone, ShareBrained Technology | |
| # | |
| # This program is free software; you can redistribute it and/or modify | |
| # it under the terms of the GNU General Public License as published by | |
| # the Free Software Foundation; either version 2, or (at your option) | |
| # any later version. | |
| # | |
| # This program is distributed in the hope that it will be useful, |