stepsUp = np.interp(meanMMHg + 0.5, mmHgs, steps) stepsDown = np.interp(meanMMHg - 0.5, mmHgs, steps) slope = stepsUp - stepsDown # steps to change by 1 mmHg sei = 0 # span error integral span_kp = 0.9 span_ki = 0.1 mei = 0 # mean error integral mid_kp = 0.85 mid_ki = 0.1 RNG = 7500 MID = mean stop = 0 while (i < N): # up until N, keep appending to the list s = pressure.one_read() i = i + 1 now = time.time() t.append(now - before) p1 = pressure.psi2mmHg(int(s) * 0.001) p.append(p1) if ((i % 10) == 0): line1.set_data(T0[0:i], p[0:i]) data = np.array(p) m0 = np.amin(data) m1 = np.amax(data) line2.set_data([0, T0[i - 1]], [m1, m1]) line3.set_data([0, T0[i - 1]], [m0, m0]) ax.legend((line1, line2, line3), ('BP', 'MAX:%3.1f' % m1, 'MIN:%3.1f' % m0), loc='lower center')
print(ys) print("about to write waveform") pressure.write_waveform(ys) print("Wrote waveform") wf = pressure.read_waveform() print(wf) print("Read waveform") #sys.exit(0); pressure.play_waveform(1, hsteps, home) before = time.time() threshold = before + 10.0 t = [] pressure.start_reading() while (time.time() < threshold): pressure.one_read() now = time.time() t.append(now - before) #p.append(p0) pressure.stop_reading() if (use_psi): p = pressure.get_pressures() else: p = pressure.get_mmHgs() print("PLOTTING") import pickle s = pickle.dumps([t, p]) f = open('data.bin', 'wb') f.write(s) f.close()
from finger import Pressure import time import numpy as np from matplotlib import pyplot as plt plt.ion() pressure = Pressure() for i in range(100): print(pressure.one_read()) time.sleep(1.0)