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Tools: Add PXF enable and check CS scripts

This commit is contained in:
Víctor Mayoral Vilches 2014-06-02 13:48:49 +02:00 committed by Andrew Tridgell
parent 4df3b55ed4
commit 283beba4bb
2 changed files with 76 additions and 0 deletions
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Tools/PXF/check_CS.sh Normal file
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#!/bin/bash
# This script checks the Chip Select (since it's negated it should be put to low value)
MPU6000_CS_PIN=113 # Corresponds with P9_28
MPU9250_CS_PIN=49 # Corresponds with P9_28
MS5611_CS_PIN=7 # Corresponds with P9_42
# activate all the GPIOs and force them to untake the bus
echo "Checking MPU6000 CS"
cat /sys/class/gpio/"gpio"$MPU6000_CS_PIN/value
echo "Cheking MPU9250 CS"
cat /sys/class/gpio/"gpio"$MPU9250_CS_PIN/value
echo "Checking MS5611 CS"
cat /sys/class/gpio/"gpio"$MS5611_CS_PIN/value

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Tools/PXF/enable_CS.sh Normal file
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#!/bin/bash
# This script enables the Chip Select (since it's negated it should be put to low value)
# of the sensor passed as a parameter
MPU6000_CS_PIN=113 # Corresponds with P9_28
MPU9250_CS_PIN=49 # Corresponds with P9_28
MS5611_CS_PIN=7 # Corresponds with P9_42
# activate all the GPIOs and force them to untake the bus
echo "Disabling MPU6000 CS"
echo $MPU6000_CS_PIN > /sys/class/gpio/export 2> /dev/null
echo out > /sys/class/gpio/"gpio"$MPU6000_CS_PIN/direction
echo 1 > /sys/class/gpio/"gpio"$MPU6000_CS_PIN/value
echo "Disabling MPU9250 CS"
echo $MPU9250_CS_PIN > /sys/class/gpio/export 2> /dev/null
echo out > /sys/class/gpio/"gpio"$MPU9250_CS_PIN/direction
echo 1 > /sys/class/gpio/"gpio"$MPU9250_CS_PIN/value
echo "Disabling MS5611 CS"
echo $MS5611_CS_PIN > /sys/class/gpio/export 2> /dev/null
echo out > /sys/class/gpio/"gpio"$MS5611_CS_PIN/direction
echo 1 > /sys/class/gpio/"gpio"$MS5611_CS_PIN/value
if [ $# -eq 0 ]
then
echo "No arguments supplied. Please provide one of the following sensors: mpu6000, mpu9250, ms5611"
echo " source enable_cs.sh <sensor> "
return 0
fi
if [ $1 == "mpu6000" ]
then
CS_PIN=$MPU6000_CS_PIN
echo out > /sys/class/gpio/"gpio"$CS_PIN/direction
echo 0 > /sys/class/gpio/"gpio"$CS_PIN/value
echo "Enabling MPU6000 CS"
elif [ $1 == "mpu9250" ]
then
CS_PIN=$MPU9250_CS_PIN
echo out > /sys/class/gpio/"gpio"$CS_PIN/direction
echo 0 > /sys/class/gpio/"gpio"$CS_PIN/value
echo "Enabling MPU9250 CS"
elif [ $1 == "ms5611" ]
then
CS_PIN=$MS5611_CS_PIN
echo out > /sys/class/gpio/"gpio"$CS_PIN/direction
echo 0 > /sys/class/gpio/"gpio"$CS_PIN/value
echo "Enabling MS5611 CS"
else
echo "Sensor supplied invaled. Please provide one of the following sensors: mpu6000, mpu9250, ms5611"
echo " source enable_cs.sh <sensor> "
return 0
fi
# to verify do:
# cat /sys/class/gpio/"gpio"$CS_PIN/value