From 869440a7edb6d999c292e27550e79458116c9781 Mon Sep 17 00:00:00 2001
From: MRX8024 <57844100+MRX8024@users.noreply.github.com>
Date: Mon, 24 Mar 2025 12:36:17 +0200
Subject: [PATCH] icm20948: Transition from 8g to 16g accels scale

During standard resonance measurements, the icm20948 in 8g mode may reach the accels max threshold.

Signed-off-by: Maksim Bolgov maksim8024@gmail.com
---
 klippy/extras/icm20948.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/klippy/extras/icm20948.py b/klippy/extras/icm20948.py
index 2503a473..29eece7b 100644
--- a/klippy/extras/icm20948.py
+++ b/klippy/extras/icm20948.py
@@ -39,7 +39,7 @@ SET_BANK_0 = 0x00
 SET_BANK_1 = 0x10
 SET_BANK_2 = 0x20
 SET_BANK_3 = 0x30
-SET_ACCEL_CONFIG =  0x04 # 8g full scale, 1209Hz BW, ??? delay 4.5kHz samp rate
+SET_ACCEL_CONFIG =  0x06 # 16g full scale, 1209Hz BW, ??? delay 4.5kHz samp rate
 SET_PWR_MGMT_1_WAKE =     0x01
 SET_PWR_MGMT_1_SLEEP=     0x41
 SET_PWR_MGMT_2_ACCEL_ON = 0x07
@@ -50,8 +50,8 @@ SET_ENABLE_FIFO  = 0x10
 SET_DISABLE_FIFO = 0x00
 
 FREEFALL_ACCEL = 9.80665 * 1000.
-# SCALE = 1/4096 g/LSB @8g scale * Earth gravity in mm/s**2
-SCALE = 0.000244140625 * FREEFALL_ACCEL
+# SCALE = 1/2048 g/LSB @16g scale * Earth gravity in mm/s**2
+SCALE = 0.00048828125 * FREEFALL_ACCEL
 
 FIFO_SIZE = 512