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https://github.com/brendanhaines/ECEN5458_Project.git
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WIP: remove if main
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@ -13,89 +13,88 @@ from bokeh.layouts import column, row
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from bokeh.models import ColumnDataSource, Slider, TextInput, Button
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from bokeh.plotting import figure
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if __name__ == "__main__":
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mux_io = [None] * 4
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mux_io[0] = digitalio.DigitalInOut(board.D17)
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mux_io[1] = digitalio.DigitalInOut(board.D27)
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mux_io[2] = digitalio.DigitalInOut(board.D22)
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mux_io[3] = digitalio.DigitalInOut(board.D23)
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mux_io = [None] * 4
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mux_io[0] = digitalio.DigitalInOut(board.D17)
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mux_io[1] = digitalio.DigitalInOut(board.D27)
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mux_io[2] = digitalio.DigitalInOut(board.D22)
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mux_io[3] = digitalio.DigitalInOut(board.D23)
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for ii, io in enumerate(mux_io):
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io.switch_to_output()
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i2c = busio.I2C(board.SCL, board.SDA)
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adc = ADS.ADS1015(i2c)
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adc_mux = AnalogIn(adc, ADS.P0)
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white_cal = [0]*8
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black_cal = [5]*8
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def get_reflectivity(chan):
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chan = int(chan)
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global mux_io
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global adc_mux
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mux = 1-np.array(list(f"{chan:04b}"), dtype=int)
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for ii, io in enumerate(mux_io):
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io.switch_to_output()
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io.value = mux[ii]
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return adc_mux.voltage
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i2c = busio.I2C(board.SCL, board.SDA)
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adc = ADS.ADS1015(i2c)
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adc_mux = AnalogIn(adc, ADS.P0)
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white_cal = [0]*8
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black_cal = [5]*8
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def get_normalized_reflectivity(chan):
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global white_cal
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global black_cal
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def get_reflectivity(chan):
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chan = int(chan)
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global mux_io
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global adc_mux
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mux = 1-np.array(list(f"{chan:04b}"), dtype=int)
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for ii, io in enumerate(mux_io):
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io.value = mux[ii]
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return adc_mux.voltage
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return (get_reflectivity(chan) - black_cal[chan]) / (white_cal[chan] - black_cal[chan])
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def get_normalized_reflectivity(chan):
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global white_cal
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global black_cal
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brightness_idx = np.arange(8)
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brightness = [get_normalized_reflectivity(c) for c in range(8)]
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return (get_reflectivity(chan) - black_cal[chan]) / (white_cal[chan] - black_cal[chan])
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plt_source = ColumnDataSource(data=dict(x=brightness_idx, y=brightness))
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brightness_idx = np.arange(8)
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# Set up plot
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plot = figure(plot_height=400, plot_width=400, title="my sine wave",
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tools="save",
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x_range=[0, 7], y_range=[0, 5])
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plot.line('x', 'y', source=plt_source, line_width=3, line_alpha=0.6)
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def update_data(*args, **kwargs):
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brightness = [get_normalized_reflectivity(c) for c in range(8)]
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plt_source.data = dict(x=brightness_idx, y=brightness)
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plt_source = ColumnDataSource(data=dict(x=brightness_idx, y=brightness))
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def cal_white(*args, **kwargs):
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global white_cal
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white_cal = [get_reflectivity(c) for c in range(8)]
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update_data()
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# Set up plot
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plot = figure(plot_height=400, plot_width=400, title="my sine wave",
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tools="save",
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x_range=[0, 7], y_range=[0, 5])
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def cal_black(*args, **kwargs):
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global black_cal
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black_cal = [get_reflectivity(c) for c in range(8)]
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update_data()
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plot.line('x', 'y', source=plt_source, line_width=3, line_alpha=0.6)
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cal_white_button = Button(label="Cal White")
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cal_white_button.on_click(cal_white)
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cal_black_button = Button(label="Cal Black")
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cal_black_button.on_click(cal_black)
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def update_data(*args, **kwargs):
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brightness = [get_normalized_reflectivity(c) for c in range(8)]
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plt_source.data = dict(x=brightness_idx, y=brightness)
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controls = column(cal_white_button, cal_black_button)
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# def cal_white(*args, **kwargs):
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# global white_cal
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# white_cal = [get_reflectivity(c) for c in range(8)]
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# update_data()
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curdoc().add_root(row(controls, plot, width=800))
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# curdoc().add_root(row(plot, width=800))
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curdoc().title = "test"
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# def cal_black(*args, **kwargs):
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# global black_cal
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# black_cal = [get_reflectivity(c) for c in range(8)]
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# update_data()
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# cal_white_button = Button(label="Cal White")
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# cal_white_button.on_click(cal_white)
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# cal_black_button = Button(label="Cal Black")
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# cal_black_button.on_click(cal_black)
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# controls = column(cal_white_button, cal_black_button)
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# curdoc().add_root(row(controls, plot, width=800))
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curdoc().add_root(row(plot, width=800))
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curdoc().title = "test"
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# while True:
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# time.sleep(0.1)
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# update_data()
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# while True:
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# time.sleep(0.1)
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# update_data()
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# servos = ServoKit(channels=16).continuous_servo
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# servos[0].throttle = 0
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# servos[1].throttle = 0
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# servos[2].throttle = 0
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# time.sleep(1)
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# servos[0].throttle = 20
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# servos[1].throttle = 20
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# servos[2].throttle = 20
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# time.sleep(1)
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# servos[0].throttle = 0
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# servos[1].throttle = 0
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# servos[2].throttle = 0
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# servos = ServoKit(channels=16).continuous_servo
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# servos[0].throttle = 0
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# servos[1].throttle = 0
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# servos[2].throttle = 0
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# time.sleep(1)
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# servos[0].throttle = 20
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# servos[1].throttle = 20
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# servos[2].throttle = 20
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# time.sleep(1)
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# servos[0].throttle = 0
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# servos[1].throttle = 0
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# servos[2].throttle = 0
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