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Diffstat (limited to 'recipes-demo/de10-nano-adxl-apps/files/adxl_calibrate.sh')
| -rwxr-xr-x | recipes-demo/de10-nano-adxl-apps/files/adxl_calibrate.sh | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/recipes-demo/de10-nano-adxl-apps/files/adxl_calibrate.sh b/recipes-demo/de10-nano-adxl-apps/files/adxl_calibrate.sh new file mode 100755 index 0000000..3df7d36 --- /dev/null +++ b/recipes-demo/de10-nano-adxl-apps/files/adxl_calibrate.sh @@ -0,0 +1,20 @@ +#!/bin/sh + +SYSFS_DEVICE_DIR="/sys/devices/platform/soc/ffc04000.i2c/i2c-0/0-0053/" +DEVFS_INPUT_EVENT_FILE="/dev/input/by-path/platform-ffc04000.i2c-event" + +# enabled adxl +echo 0 > ${SYSFS_DEVICE_DIR}/disable + +# set the sample rate to maximum +echo 15 > ${SYSFS_DEVICE_DIR}/rate + +# do not auto sleep +echo 0 > ${SYSFS_DEVICE_DIR}/autosleep + +# read some samples +hexdump -n 160 ${DEVFS_INPUT_EVENT_FILE} > /dev/null + +# store calibration +echo 1 > ${SYSFS_DEVICE_DIR}/calibrate + |