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imutest: make it work on desktop

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This commit is contained in:
Thomas Farstrike
2025-05-17 21:24:18 +02:00
parent 1e6f7a5398
commit e194756cb5
1 changed files with 35 additions and 17 deletions
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internal_filesystem/apps/com.example.imutest/assets/imutest.py
+35 -17
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@@ -1,7 +1,3 @@
from machine import Pin, I2C
from qmi8658 import QMI8658
import machine
def map_nonlinear(value: float) -> int:
# Preserve sign and work with absolute value
sign = 1 if value >= 0 else -1
@@ -16,21 +12,34 @@ def map_nonlinear(value: float) -> int:
return int(50.0 + (sign * scaled)) # Shift to [0, 100]
def refresh(timer):
#print(f"""{sensor.temperature=} {sensor.acceleration=} {sensor.gyro=}""")
templabel.set_text(f"IMU chip temperature: {sensor.temperature:.2f}°C")
ax = sensor.acceleration[0]
axp = int((ax * 100 + 100)/2)
ay = sensor.acceleration[1]
ayp = int((ay * 100 + 100)/2)
az = sensor.acceleration[2]
azp = int((az * 100 + 100)/2)
if have_imu:
#print(f"""{sensor.temperature=} {sensor.acceleration=} {sensor.gyro=}""")
temp = sensor.temperature
ax = sensor.acceleration[0]
axp = int((ax * 100 + 100)/2)
ay = sensor.acceleration[1]
ayp = int((ay * 100 + 100)/2)
az = sensor.acceleration[2]
azp = int((az * 100 + 100)/2)
# values between -200 and 200 => /4 becomes -50 and 50 => +50 becomes 0 and 100
gx = map_nonlinear(sensor.gyro[0])
gy = map_nonlinear(sensor.gyro[1])
gz = map_nonlinear(sensor.gyro[2])
else:
temp = 12.34
axp = 25
ayp = 50
azp = 75
gx = 45
gy = 50
gz = 55
templabel.set_text(f"IMU chip temperature: {temp:.2f}°C")
sliderx.set_value(axp, lv.ANIM.OFF)
slidery.set_value(ayp, lv.ANIM.OFF)
sliderz.set_value(azp, lv.ANIM.OFF)
# values between -200 and 200 => /4 becomes -50 and 50 => +50 becomes 0 and 100
slidergx.set_value(map_nonlinear(sensor.gyro[0]), lv.ANIM.OFF)
slidergy.set_value(map_nonlinear(sensor.gyro[1]), lv.ANIM.OFF)
slidergz.set_value(map_nonlinear(sensor.gyro[2]), lv.ANIM.OFF)
slidergx.set_value(gx, lv.ANIM.OFF)
slidergy.set_value(gy, lv.ANIM.OFF)
slidergz.set_value(gz, lv.ANIM.OFF)
def janitor_cb(timer):
@@ -39,7 +48,16 @@ def janitor_cb(timer):
janitor.delete()
refresh_timer.delete()
sensor = QMI8658(I2C(0, sda=machine.Pin(48), scl=machine.Pin(47)))
have_imu = True
try:
from machine import Pin, I2C
from qmi8658 import QMI8658
import machine
sensor = QMI8658(I2C(0, sda=machine.Pin(48), scl=machine.Pin(47)))
except Exception as e:
print(f"Warning: could not initialize IMU hardware: {e}")
have_imu=False
appscreen = lv.screen_active()
templabel = lv.label(appscreen)