standarddeviant

# gr_live_window.jl
using GR

function keyboard_channel()
    # allow 'q' and <ENTER> sequentially pressed on the keyboard to break the loop
    count = 0
    kb2loop = Channel(10)
    @async while true
        kb_input = readline(STDIN)
        # maybe we hit an error or something got messed up... 

standarddeviant

standarddeviant

# using Plots
# theme(:juno)
# pyplot(size=(900, 300))
# plot(randn(10), m=:o)

using DSP
PlottableFilter = Union{FilterCoefficients}
f = digitalfilter(
    Lowpass(10, fs=40),
    Butterworth(8)

standarddeviant

import Plots
function Plots.plot(fc::FilterCoefficients, w=linspace(0, pi, 500); fs=2, 
                    domag=true, dophase=true, 
                    doimp=false, impn=500, 
                    dostep=false, stepn=500, size=(800, 600))
    # calculate plottable vectors
    if domag || dophase
        h = freqz(fc, w)
    end
    if doimp

standarddeviant

#include <SD.h>

// START https://mcuoneclipse.com/2014/01/26/entercritical-and-exitcritical-why-things-are-failing-badly/
#define CpuCriticalVar()  uint8_t cpuSR
 
#define CpuEnterCritical()              \
  do {                                  \
    asm (                               \
    "MRS   R0, PRIMASK\n\t"             \

standarddeviant

# 0.6.2 in the home directory
#export JULIA_DIR="$HOME/julia-d386e40c17/"
#export JULIA_HOME="$JULIA_DIR/bin"

echo "JULIA_DIR = $JULIA_DIR"
echo "JULIA_HOME = $JULIA_HOME"
#
gcc -o wizbang -fPIC -I$JULIA_DIR/include/julia \
    -std=gnu99                                  \
    -L$JULIA_DIR/lib -L$JULIA_DIR/lib/julia     \

standarddeviant

# nargoutTest.jl
function nargoutTest(a,b)
  @show a, b
  return "outp1", "outpTWO"
end