108 lines
3.0 KiB
Bash
Executable File
108 lines
3.0 KiB
Bash
Executable File
#!/bin/bash
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# This should point to a SIMINFO-enabled SimulAVR executable:
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SIMULAVR="../../simulavr/src/simulavr"
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if [ ! -x "${SIMULAVR}" ]; then
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echo "SimulAVR executable not found, please adjust"
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echo "variables at the top of ${0}."
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exit 1;
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fi
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# Prepare a pin tracing file, assuming a Gen7-v1.4 configuration. See
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# http://reprap.org/wiki/SimulAVR#Putting_things_together:_an_example
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echo "# X Dir" > /tmp/tracein.txt
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echo "+ PORTA.A3-Out" >> /tmp/tracein.txt
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echo "# X Step" >> /tmp/tracein.txt
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echo "+ PORTA.A2-Out" >> /tmp/tracein.txt
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echo "# Y Dir" >> /tmp/tracein.txt
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echo "+ PORTA.A5-Out" >> /tmp/tracein.txt
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echo "# Y Step" >> /tmp/tracein.txt
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echo "+ PORTA.A4-Out" >> /tmp/tracein.txt
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for GCODE_FILE in "triangle.gcode" "straight-speeds.gcode"; do
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FILE="${GCODE_FILE%.gcode}"
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VCD_FILE="${FILE}.vcd"
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# We assume here queue and rx buffer are large enough to read
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# the file in one chunk. If not, raise MOVEBUFFER_SIZE in config.h.
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"${SIMULAVR}" -c vcd:/tmp/tracein.txt:"${VCD_FILE}" \
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-f ../build/teacup.elf \
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-m 60000000000 < "${GCODE_FILE}"
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# Make plottable files from VCD files.
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# This is very rudimentary and does a lot of assumptions.
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# For examble, pin data is assumed to always be b0/b1, pin naming
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# is assumed to match the order in tracein.txt and starting at "0".
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awk '
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BEGIN {
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dataFile = "'"${FILE}"'.data";
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print "0 0 0 0 0" > dataFile;
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xDir = yDir = 0;
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xPos = yPos = 0;
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xVel = yVel = 0;
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yAcc = yAcc = 0;
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lastxTime = lastyTime = 0;
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}
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/^#/ {
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time = substr($0, 2);
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next;
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}
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{
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bit = substr($1, 2);
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if ($2 == "0") { # X Dir
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if (bit == 0) xDir = -1;
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else if (bit == 1) xDir = 1;
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else xDir = 0;
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}
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if ($2 == "2") { # Y Dir
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if (bit == 0) yDir = -1;
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else if (bit == 1) yDir = 1;
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else yDir = 0;
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}
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if ($2 == "1") { # X Step, count only raising flanges
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if (bit == 1) {
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xPos += xDir;
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xVel = 1000000000 / (time - lastxTime);
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print time " " xPos " " yPos " " xVel " " yVel >> dataFile;
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lastxTime = time;
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}
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}
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if ($2 == "3") { # Y Step, count only raising flanges
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if (bit == 1) {
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yPos += yDir;
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yVel = 1000000000 / (time - lastyTime);
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print time " " xPos " " yPos " " xVel " " yVel >> dataFile;
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lastyTime = time;
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}
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}
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}
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' < "${VCD_FILE}"
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# Finally, create a plot.
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gnuplot << EOF
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set terminal png size 1024,768
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set output "${FILE}.png"
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set title "${GCODE_FILE}"
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set xlabel "X steps"
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set ylabel "Y steps"
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set y2label "feedrate [steps/s]"
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#set origin 10,10;
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plot "${FILE}.data" using (\$2):(\$3) with dots title "position", \
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"${FILE}.data" using (\$2):(\$4) with dots title "X feedrate", \
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"${FILE}.data" using (\$2):(\$5) with dots title "Y feedrate"
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EOF
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display "${FILE}.png" &
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done
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