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#!/bin/bash
is_valid_hdc1080()
{
local I2C_BUS=$1
local DEV_ADDR=$2
MFR_ID=$(i2ctransfer -y -f "${I2C_BUS}" w1@"${DEV_ADDR}" 0xfe r2)
if [ "$MFR_ID" != "0x54 0x49" ]; then
return 1;
fi
DEV_ID=$(i2ctransfer -y -f "${I2C_BUS}" w1@"${DEV_ADDR}" 0xff r2)
if [ "$DEV_ID" != "0x10 0x50" ]; then
return 1;
fi
return 0;
}
set_frontpanel_model()
{
busctl set-property xyz.openbmc_project.Settings /xyz/openbmc_project/inventory/system/chassis0/frontpanel xyz.openbmc_project.Inventory.Decorator.Asset Model s "Bletchley_FPB_${1}"
}
I2C_BUS=10
DEV_ADDR=0x40
VIRT_SNR_CONF="/usr/share/phosphor-virtual-sensor/virtual_sensor_config.json"
HDC1080_VIRT_SNR_CONF="/usr/share/phosphor-virtual-sensor/virtual_sensor_config_hdc1080.json"
SI7021_VIRT_SNR_CONF="/usr/share/phosphor-virtual-sensor/virtual_sensor_config_si7021.json"
# Check chip type
if is_valid_hdc1080 "$I2C_BUS" "$DEV_ADDR"; then
CHIP_TYPE="HDC1080"
else
CHIP_TYPE="SI7021"
fi
# Set Frontpanel board model
set_frontpanel_model "$CHIP_TYPE"
# Setup virtual_sensor_config.json for phosphor-virtual-sensor
case "$CHIP_TYPE" in
"HDC1080")
REQUIRED_CONF_PATH="$HDC1080_VIRT_SNR_CONF"
;;
"SI7021")
REQUIRED_CONF_PATH="$SI7021_VIRT_SNR_CONF"
;;
*)
REQUIRED_CONF_PATH="$HDC1080_VIRT_SNR_CONF"
;;
esac
if [ ! -e "$VIRT_SNR_CONF" ]; then
ln -s "$REQUIRED_CONF_PATH" "$VIRT_SNR_CONF"
else
REAL_CONF_PATH="$(realpath $VIRT_SNR_CONF)"
if [ "$REAL_CONF_PATH" != "$REQUIRED_CONF_PATH" ]; then
rm "$VIRT_SNR_CONF"
ln -s "$REQUIRED_CONF_PATH" "$VIRT_SNR_CONF"
fi
fi
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