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Thomas Farstrike
70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
from machine import Pin, I2C
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from qmi8658 import QMI8658
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import time
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import machine
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sensor = QMI8658(I2C(0, sda=machine.Pin(48), scl=machine.Pin(47)))
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templabel = lv.label(subwindow)
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templabel.align(lv.ALIGN.TOP_MID, 0, 10)
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#scale = lv.scale(subwindow)
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#scale.set_size(lv.pct(80), 50)
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#scale.align(lv.ALIGN.TOP_MID, 0, 40)
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#acclabelx = lv.label(subwindow)
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#acclabelx.align(lv.ALIGN.CENTER, -100, 0)
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#acclabely = lv.label(subwindow)
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#acclabely.align(lv.ALIGN.CENTER, 0, 0)
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#acclabelz = lv.label(subwindow)
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#acclabelz.align(lv.ALIGN.CENTER, 100, 0)
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sliderx = lv.slider(subwindow)
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sliderx.align(lv.ALIGN.CENTER, 0, -60)
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slidery = lv.slider(subwindow)
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slidery.align(lv.ALIGN.CENTER, 0, -30)
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sliderz = lv.slider(subwindow)
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sliderz.align(lv.ALIGN.CENTER, 0, 0)
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slidergx = lv.slider(subwindow)
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slidergx.align(lv.ALIGN.CENTER, 0, 30)
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slidergy = lv.slider(subwindow)
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slidergy.align(lv.ALIGN.CENTER, 0, 60)
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slidergz = lv.slider(subwindow)
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slidergz.align(lv.ALIGN.CENTER, 0, 90)
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def map_nonlinear(value: float) -> int:
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"""Convert a value from [-200, 200] to [0, 100] with non-linear stretching around 0."""
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# Step 1: Normalize input from [-200, 200] to [-1, 1]
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normalized = value / 200.0
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# Step 2: Apply non-linear transformation (preserve sign)
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sign = 1 if normalized >= 0 else -1
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abs_normalized = abs(normalized)
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# Use square root (or another power < 1) to stretch small values
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non_linear = sign * (abs_normalized ** 0.5)
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# Step 3: Scale and shift to [0, 100]
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# Map [-1, 1] to [0, 100] (i.e., -1 -> 0, 0 -> 50, 1 -> 100)
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return int((non_linear + 1) * 50.0)
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canary = lv.obj(subwindow)
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canary.add_flag(0x0001) # LV_OBJ_FLAG_HIDDEN is 0x0001
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while canary.get_class():
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#print(f"""{sensor.temperature=} {sensor.acceleration=} {sensor.gyro=}""")
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templabel.set_text(f"Temperature: {sensor.temperature:.2f}")
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ax = sensor.acceleration[0]
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axp = int((ax * 100 + 100)/2)
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ay = sensor.acceleration[1]
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ayp = int((ay * 100 + 100)/2)
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az = sensor.acceleration[2]
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azp = int((az * 100 + 100)/2)
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sliderx.set_value(axp, lv.ANIM.OFF)
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slidery.set_value(ayp, lv.ANIM.OFF)
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sliderz.set_value(azp, lv.ANIM.OFF)
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# values between -200 and 200 => /4 becomes -50 and 50 => +50 becomes 0 and 100
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slidergx.set_value(map_nonlinear(sensor.gyro[0]), lv.ANIM.OFF)
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slidergy.set_value(map_nonlinear(sensor.gyro[1]), lv.ANIM.OFF)
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slidergz.set_value(map_nonlinear(sensor.gyro[2]), lv.ANIM.OFF)
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time.sleep_ms(100)
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