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@s-piri s-piri commented Dec 19, 2025

Problem

One of the cause of low odr in #25 was from having advanced power saving mode ON by default

Solution

Expose bmi2_set_adv_power_save to BoschSensorClass to allow disabling
(Also, expose bmi2_get_adv_power_save for convenience)

Test Result

By disabling advanced power saving, I could achieve up to 800Hz (with wire clock set to 400KHz)
Tested on nano ble 33 sense rev2

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Memory usage change @ 7f99761

Board flash % RAM for global variables %
arduino:mbed_edge:edge_control 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:mbed_nano:nano33ble 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:mbed_nano:nanorp2040connect 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:mbed_portenta:envie_m7 N/A N/A N/A N/A
arduino:mbed_portenta:envie_m7:target_core=cm4 N/A N/A N/A N/A
arduino:samd:mkr1000 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:samd:mkrfox1200 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:samd:mkrgsm1400 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:samd:mkrnb1500 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:samd:mkrvidor4000 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:samd:mkrwan1300 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:samd:mkrwan1310 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:samd:mkrwifi1010 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
esp32:esp32:esp32 🔺 +56 - +56 0.0 - 0.0 0 - 0 0.0 - 0.0
rp2040:rp2040:rpipico 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
Click for full report table
Board examples/SimpleAccelerometer
flash
% examples/SimpleAccelerometer
RAM for global variables
% examples/SimpleGyroscope
flash
% examples/SimpleGyroscope
RAM for global variables
% examples/SimpleMagnetometer
flash
% examples/SimpleMagnetometer
RAM for global variables
%
arduino:mbed_edge:edge_control 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:mbed_nano:nano33ble 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:mbed_nano:nanorp2040connect 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:mbed_portenta:envie_m7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
arduino:mbed_portenta:envie_m7:target_core=cm4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
arduino:samd:mkr1000 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:samd:mkrfox1200 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:samd:mkrgsm1400 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:samd:mkrnb1500 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:samd:mkrvidor4000 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:samd:mkrwan1300 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:samd:mkrwan1310 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:samd:mkrwifi1010 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
esp32:esp32:esp32 56 0.0 0 0.0 56 0.0 0 0.0 56 0.0 0 0.0
rp2040:rp2040:rpipico 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
Click for full report CSV
Board,examples/SimpleAccelerometer<br>flash,%,examples/SimpleAccelerometer<br>RAM for global variables,%,examples/SimpleGyroscope<br>flash,%,examples/SimpleGyroscope<br>RAM for global variables,%,examples/SimpleMagnetometer<br>flash,%,examples/SimpleMagnetometer<br>RAM for global variables,%
arduino:mbed_edge:edge_control,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:mbed_nano:nano33ble,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:mbed_nano:nanorp2040connect,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:mbed_portenta:envie_m7,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A
arduino:mbed_portenta:envie_m7:target_core=cm4,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A
arduino:samd:mkr1000,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkrfox1200,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkrgsm1400,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkrnb1500,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkrvidor4000,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkrwan1300,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkrwan1310,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
arduino:samd:mkrwifi1010,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0
esp32:esp32:esp32,56,0.0,0,0.0,56,0.0,0,0.0,56,0.0,0,0.0
rp2040:rp2040:rpipico,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0

@s-piri s-piri marked this pull request as draft December 20, 2025 04:11
@s-piri s-piri marked this pull request as ready for review December 20, 2025 04:11
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