diff --git a/hardware/BOM/InteractiveBom_V3/Readme.txt b/hardware/BOM/InteractiveBom_V3/Readme.txt new file mode 100644 index 0000000..63acb78 --- /dev/null +++ b/hardware/BOM/InteractiveBom_V3/Readme.txt @@ -0,0 +1,2 @@ +generated with the standalone version of https://github.com/openscopeproject/InteractiveHtmlBom against the eagle .brd files. +The ibom_tritiled_v31_xpe_mod.html is modified to have a 1uF decoupling capacitor at C2 (in the eagle file is 100nF). \ No newline at end of file diff --git a/hardware/BOM/InteractiveBom_V3/ibom_tritiled_v30_lux_c.html b/hardware/BOM/InteractiveBom_V3/ibom_tritiled_v30_lux_c.html new file mode 100644 index 0000000..603498e --- /dev/null +++ b/hardware/BOM/InteractiveBom_V3/ibom_tritiled_v30_lux_c.html @@ -0,0 +1,4442 @@ + + + + + + + Interactive BOM for KiCAD + + + + + + +
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+ + + + diff --git a/hardware/BOM/InteractiveBom_V3/ibom_tritiled_v30_oslon.html b/hardware/BOM/InteractiveBom_V3/ibom_tritiled_v30_oslon.html new file mode 100644 index 0000000..4efd239 --- /dev/null +++ b/hardware/BOM/InteractiveBom_V3/ibom_tritiled_v30_oslon.html @@ -0,0 +1,4442 @@ + + + + + + + Interactive BOM for KiCAD + + + + + + +
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Components~~~
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SMD pads~~~
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+ + + + diff --git a/hardware/BOM/InteractiveBom_V3/ibom_tritiled_v30_xpe.html b/hardware/BOM/InteractiveBom_V3/ibom_tritiled_v30_xpe.html new file mode 100644 index 0000000..db1366c --- /dev/null +++ b/hardware/BOM/InteractiveBom_V3/ibom_tritiled_v30_xpe.html @@ -0,0 +1,4442 @@ + + + + + + + Interactive BOM for KiCAD + + + + + + +
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Components~~~
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+ + + + diff --git a/hardware/BOM/InteractiveBom_V3/ibom_tritiled_v31_oslon.html b/hardware/BOM/InteractiveBom_V3/ibom_tritiled_v31_oslon.html new file mode 100644 index 0000000..b1e4fae --- /dev/null +++ b/hardware/BOM/InteractiveBom_V3/ibom_tritiled_v31_oslon.html @@ -0,0 +1,4442 @@ + + + + + + + Interactive BOM for KiCAD + + + + + + +
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Components~~~
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+ + + + diff --git a/hardware/BOM/InteractiveBom_V3/ibom_tritiled_v31_xpe_mod.html b/hardware/BOM/InteractiveBom_V3/ibom_tritiled_v31_xpe_mod.html new file mode 100644 index 0000000..cb13a79 --- /dev/null +++ b/hardware/BOM/InteractiveBom_V3/ibom_tritiled_v31_xpe_mod.html @@ -0,0 +1,4442 @@ + + + + + + + Interactive BOM for KiCAD + + + + + + +
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Components~~~
Groups~~~
SMD pads~~~
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+ + + + diff --git a/software/tritiled30/src/calibrate.py b/software/tritiled30/src/calibrate.py index 13549af..ea26d0c 100755 --- a/software/tritiled30/src/calibrate.py +++ b/software/tritiled30/src/calibrate.py @@ -1,4 +1,4 @@ -#!/usr/bin/env python +#!/usr/bin/env python3 # # calibrate.py: calibrate TritiLED V3.x brightness/current @@ -17,36 +17,73 @@ # 4. recompile the c-code to generate the runtime image # 5. download the runtime image to the board # - +#helper function +def inverse_poly1d(poly1d_param, y): + return (y-poly1d_param[1])/poly1d_param[0] + import numpy as np import matplotlib.pyplot as plt frequencies = np.array([100, 200, 400]) currents = np.loadtxt('currents.dat')*1e-6 +# fit polynomial to data p = np.polyfit(frequencies, currents, 1) -print p +print("currents") +print(currents) +print("polyfit") +print(p) -Ah = 0.220 +Ah = 0.220 # power in CR2032 years = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) target_current = Ah / (years * 365.25 * 24) -frequency = (target_current - p[1])/p[0] -print np.round(frequency, 2) +# frequency at target current +frequency = inverse_poly1d(p,target_current) +print("frequencies") +print(np.round(frequency, 2)) P = np.poly1d(p) -xi = np.linspace(0, 1000, 10) +xi = np.linspace(0, 1000, 100) +plotYears = np.array(Ah / (P(xi) * 365.25 * 24)) + +boolAr = np.where(plotYears>0) +plotYearsTrunc = plotYears[boolAr] +xiTrunc = xi[boolAr] + + +figure, axis = plt.subplots(1, 2,layout='constrained') +# plot current over frequency with datapoints and interpolation +axis[0].plot(frequencies, currents*1e6, 'ro', label="calibration points") +axis[0].plot(xi, P(xi)*1e6, 'b-', label="linear interpolation") +axis[0].set_ylabel("current [uA]") +axis[0].set_xlabel("frequency [Hz]") +axis[0].legend() + +# plot life expectancy over frequency +current_50Hz = P(50) +years_50Hz = Ah / (current_50Hz * 365.25 * 24) +axis[1].plot(frequencies, Ah / (P(frequencies) * 365.25 * 24), 'ro', label="calibration points") +axis[1].plot(xiTrunc, plotYearsTrunc, 'b-', label="linear interpolation") +axis[1].plot(50, years_50Hz, 'gx') +annot = " "+'{:.2f}'.format(years_50Hz)+" years at 50 Hz" +axis[1].annotate(annot,(50,years_50Hz)) +axis[1].set_ylabel("years [a]") +axis[1].set_xlabel("frequency [Hz]") +ylim = axis[1].get_ylim() +xlim = axis[1].get_xlim() +axis[1].hlines(years_50Hz,xlim[0],50) +axis[1].vlines(50,ylim[0],years_50Hz) +axis[1].set_ylim(ylim) +axis[1].set_xlim(xlim) +axis[1].legend() + -plt.plot(frequencies, currents, 'ro') -plt.plot(xi, P(xi), 'b-') plt.show() header = open('modes.h', 'w') header.write('#define N_MODES 10\n') header.write('struct run_time period_table[N_MODES] = {\n') -for idx in range(0, 10): +for idx in range(0,len(years)):#range(0, 10): header.write(' {%d, (int)(31000./%f + 0.5)},\n' % (years[idx], frequency[idx])) header.write('};\n') header.close() - - -