diff options
| -rw-r--r-- | readme.org | 78 |
1 files changed, 59 insertions, 19 deletions
@@ -1,3 +1,4 @@ +#+TITLE: Readme * Overview Extends org-babel capabilities to support spice simulations using @@ -12,7 +13,7 @@ Spice source blocks are interpreted as circuit descriptions until an *line all of the src block is interpreted as a control block!* * Use cases -*** Just load some circuit for later simulation: +** Just load some circuit for later simulation: #+BEGIN_SRC spice :results output ,* RC r1 1 0 10k @@ -24,7 +25,7 @@ c1 1 0 1p #+RESULTS: : Circuit: * rc -*** Execute some stuff +** Execute some stuff #+BEGIN_SRC spice echo "Hello world" #+END_SRC @@ -37,7 +38,7 @@ echo "0,1,2,3" #+RESULTS: | 0 | 1 | 2 | 3 | -*** Plot some voltages and return png +** Plot some voltages and return png #+BEGIN_SRC spice :var file="/tmp/xzy" :results file ,*RC circuit r1 1 0 10k @@ -57,7 +58,7 @@ gnuplot $file v(1) #+RESULTS: [[file:/tmp/xzy.png]] -*** Do measurements and return results +** Do measurements and return results #+BEGIN_SRC spice :session spicetest :results value ,*Time Constant Measurement r1 1 0 10k @@ -79,7 +80,7 @@ echo $&value_at_tau ,$&value_at_five_tau #+RESULTS: | 0.36798 | 0.00671732 | -*** write simulation data to file and return file name +** Write simulation data to file and return file name #+BEGIN_SRC spice :var file="/tmp/xyz" :post plot_stuff(data=*this*) :results file ,*RC circuit r1 1 0 10k @@ -100,20 +101,59 @@ wrdata $file v(1) #+BEGIN_SRC gnuplot :var data="x" :file "/tmp/xyz_plot.png" :results silent plot data u 1:2 w l ls 1 #+END_SRC +** Use calculation results of other src blocks as parameters +#+NAME: dim1_params +#+BEGIN_SRC ruby :exports none +[7.3260073260073255e-06,1.3215597400496679e-05,5.411787135503391e-06,2.344322344322345e-05,2.4e-06, 100.0] +#+END_SRC +#+RESULTS: dim1_params +| 7.3260073260073255e-06 | 1.3215597400496679e-05 | 5.411787135503391e-06 | 2.344322344322345e-05 | 2.4e-06 | 100.0 | + +#+NAME: dim1_plot +#+BEGIN_SRC gnuplot :var data="x" :file /tmp/ignored.png :results silent :exports none + set terminal pngcairo size 640,300 enhanced + set format y "%.0s%cV" + set format x "%.0s%cs" + set xrange [190e-9:260e-9] + set ytics 5e-3 + set xlabel "t" + plot data using 1:2 w l ls 2 t "V_{out}" +#+END_SRC + +#+BEGIN_SRC spice :session test :var dim=dim1_params :results output +,* DAC.asc +.model NMOS NMOS +.model PMOS PMOS +.lib /home/fred/spice/library/ngspice/CM5/CM5-N.phy CM5 +M1 0 VDD N005 N005 MP7 l=$dim[5] w=$dim[4] +M2 VOUT VCTRL N005 N005 MP7 l=$dim[5] w=$dim[4] +M4 N003 N002 VDD VDD MP7 l=$dim[3] w=$dim[2] +M3 N002 N002 VDD VDD MP7 l=$dim[3] w=$dim[2] +M5 N005 N004 N003 N003 MP7 l=$dim[3] w=$dim[2] +M6 N004 N004 N002 N002 MP7 l=$dim[3] w=$dim[2] +RL VOUT 0 $dim[6] +CL VOUT 0 10p +VDD VDD 0 5 +IREF N004 0 7.3u +V1 VBIAS 0 2.5 +V2 VCTRL 0 PULSE(0 5 0 1n 1n 200n 420n) +VM VDD N001 0 +.tran 1n 300n 190n +.end +#+END_SRC + +#+RESULTS: +: Circuit: * dac.asc + +#+NAME: dim1 +#+BEGIN_SRC spice :session test :var file="/tmp/dim1" dim=dim1_params :post dim1_plot[:file /tmp/dim1.png](data=*this*) :results file +save all +run +wrdata $file v(vout) +#+END_SRC -* Flags -** :netlist / :circuit -Name of a src block to include for netlist/circuit descriptions. +#+RESULTS: dim1 +[[file:/tmp/dim1.png]] +* Current supported Flags ** :dir Working directory to run the src block in. Default is the value of `default-directory'. -** :file? - -** :gnuplot -Name of gnuplot block or .plt file: handle plotting instead of gnuplot -lines -** :results -Available result options are `value' which returns the output of the - last expression, `output' which returns all output and `smart' which - tries to only display echos and plot filenames. -** :batch / :no-interactive -use batch mode |