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samples: sensor: access_trig: add double tap detection. #83818

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samples: sensor: access_trig: add double tap detection. #83818

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@pcurt pcurt commented Jan 10, 2025

The LIS2DW12 is an advanced 3-axis linear accelerometer.
The driver exists in Zephyr but it is not very easy to configure it and use with trigger detection.

So I added a samples that configure the accelerometer to detect a double tap, the example is running on a stm32f3_disco board with a steval-mki190v1 adapter board

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Just few comments.
Also note that you have a typo in the commit message ("aslo" instead of "also")

samples/sensor/lis2dw12/README.rst Outdated Show resolved Hide resolved
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@pcurt pcurt force-pushed the feat_lis2dw12_sample branch from 2e17e21 to 16f1526 Compare January 10, 2025 16:32
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pcurt commented Jan 10, 2025

Just few comments. Also note that you have a typo in the commit message ("aslo" instead of "also")

Fixed, thanks

@pcurt pcurt requested a review from avisconti January 10, 2025 16:32
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We're trying to get away from driver-specific sensor samples. There are other sensor drivers that support the same SENSOR_TRIG_DOUBLE_TAP and SENSOR_CHAN_ACCEL_XYZ channels, so if you'd like to add a sample demonstrating this functionality please make it independent of the specific driver implementation.

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pcurt commented Jan 19, 2025

We're trying to get away from driver-specific sensor samples. There are other sensor drivers that support the same SENSOR_TRIG_DOUBLE_TAP and SENSOR_CHAN_ACCEL_XYZ channels, so if you'd like to add a sample demonstrating this functionality please make it independent of the specific driver implementation.

I also think that it is better to have generic samples for multiple hardware. I can integrate the SENSOR_TRIG_DOUBLE_TAP in the accel_trig example (https://docs.zephyrproject.org/latest/samples/sensor/accel_trig/README.html)
What do you think about it ?

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We're trying to get away from driver-specific sensor samples. There are other sensor drivers that support the same SENSOR_TRIG_DOUBLE_TAP and SENSOR_CHAN_ACCEL_XYZ channels, so if you'd like to add a sample demonstrating this functionality please make it independent of the specific driver implementation.

I also think that it is better to have generic samples for multiple hardware. I can integrate the SENSOR_TRIG_DOUBLE_TAP in the accel_trig example (docs.zephyrproject.org/latest/samples/sensor/accel_trig/README.html) What do you think about it ?

Sounds good, thanks.

@pcurt
samples: sensor: accel_trig: add sample with double tap detection.
113d10c 
Add the tap detection trigger to the existing example.
For this example it uses lis2dw12 accelerometer to detect a double
tap.

Signed-off-by: Pierrick Curt <[email protected]>
@pcurt pcurt force-pushed the feat_lis2dw12_sample branch from 16f1526 to 113d10c Compare January 26, 2025 16:10
@pcurt pcurt changed the title samples: sensor: lis2dw12: add sample with double tap detection. samples: sensor: access_trig: add double tap detection. Jan 26, 2025
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pcurt commented Jan 26, 2025

@MaureenHelm I have integrated the tap detection in accel_trig example

@pcurt pcurt requested a review from MaureenHelm January 26, 2025 16:13
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pcurt commented Jan 26, 2025

This is the console output with TAP detection enabled

TAP detected
     lis2dw12@19 [m/s^2]:    (   -1.899901,   -12.550355,    -2.742174)
TAP detected
     lis2dw12@19 [m/s^2]:    (   12.349357,   -18.125630,     6.015556)
TAP detected
     lis2dw12@19 [m/s^2]:    (  -11.385050,    -7.274181,    -9.229117)
TAP detected
     lis2dw12@19 [m/s^2]:    (    9.214760,    -9.286545,     2.311466)
TAP detected
     lis2dw12@19 [m/s^2]:    (   10.090533,   -17.391034,    12.320643)
TAP detected
     lis2dw12@19 [m/s^2]:    (   -0.478564,     2.390429,    15.876378)
TAP detected
     lis2dw12@19 [m/s^2]:    (   -5.668596,   -13.138989,     0.741775)
TAP detected
     lis2dw12@19 [m/s^2]:    (   -2.385644,   -10.559526,     9.899107)
TAP detected
     lis2dw12@19 [m/s^2]:    (    7.537391,    -8.551948,    16.740187)

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