58955a79a2
SPI Slave =========== - Correct the configuration of mode 0~3 using new config in the TRM - Split the workaround for DMA in mode 0/2 out of normal config, to make it clear. - Update timing and speed document for the SPI slave. Resolves https://github.com/espressif/esp-idf/issues/1346, https://github.com/espressif/esp-idf/issues/2393
34 lines
1.1 KiB
Gnuplot
34 lines
1.1 KiB
Gnuplot
# this is a GNUPLOT script generating the figure of spi_master_freq_tv.png
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set xlabel "Input delay (ns)"
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set xrange [0: 125]
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set ylabel "Fmax (MHz)"
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set yrange [0: 81]
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set xtics 12.5 textcolor rgb "black"
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set ytics 10 textcolor rgb "black"
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set border 3 lc rgb "gray" lw 2
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set grid lt -1 lc rgb "gray" lw 2
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set samples 10000
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set terminal png size 700,500
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set output "plot.png"
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apb = 12.5
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#each line is broken into 10 pieces by the range determined by i
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f1(i,x) = (x>= i*apb) && (x < (i+1)*apb) ? 80./(i+1) : 1/0
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set style circle radius graph 0.008
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#solid and empty circles are draw by the coordinates given in the csv
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plot [0:125]\
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f1(-1, x) lw 3lc rgb "blue" title "IOMUX",\
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for [i=0:9] f1(i, x) with lines lw 3 lc rgb "blue" notitle,\
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f1(0, x+25) lw 3 lc rgb "red" title "GPIO",\
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for [i=2:11] f1(i, x+25) with lines lw 3 lc rgb "red" notitle, \
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"tv.csv" using 1:2 with circles notitle fill solid fc rgb "blue", \
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"tv.csv" using 1:4 with circles notitle fc rgb "blue",\
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"tv.csv" using 1:3 with circles notitle fill solid fc rgb "red" ,\
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"tv.csv" using 1:5 with circles notitle fc rgb "red"
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