#!/bin/sh

# script Version 1.1 20240912
# 支持测试的传感器芯片 emc1413 ina3221 adc128

# ---------------------------------------------------------
# Project Feature Varible (按照项目需要修改)
# ---------------------------------------------------------

# ADC128 分压系数 (Ravel)
votage_division_factor_0="1"
votage_division_factor_1="1"
votage_division_factor_2="1"
votage_division_factor_3="0.8"
votage_division_factor_4="0.6"
votage_division_factor_5="0.6"
votage_division_factor_6="0.2326"
votage_division_factor_7="1"

# INA3221 分流电阻, 单位(毫欧姆)(Ravel)
shunt_resistor_0="2"
shunt_resistor_1="2"
shunt_resistor_2="5"

# fru 烧录的起始地址
fru_offset="0x00 0x00"

# 应用的服务器产品,根据服务器产品手动修改这个变量
# 当前适配的服务器产品 5280m7 5468m7
server_type="5468m7"

# ---------------------------------------------------------
#  Common Varible (请勿随意修改)
# ---------------------------------------------------------
# Input Param
pcie_slot=$1
sensor_type=$2
chip_slave=$3

# Introduction of option_data
# 1.在FRU的处理过程中,使用option_data来区分是读操作还是写操作,将值设置为
#   "read"或者"write"
# 2.在chip的处理过程中,使用option_data来代表一条完整的i2c命令,这条命令会
#   被发到chip上,一个例子："i2ctransfer -y 12 w2@0x10 0x90 0x00 r9"
option_data=$4

# CHIP REGISTER
REG_pca9641_controll="0x01"

REG_adc128_config="0x00"
REG_adc128_advance="0x0b"
REG_adc128_status="0x0c"
REG_adc128_ch0="0x20"
REG_adc128_ch1="0x21"
REG_adc128_ch2="0x22"
REG_adc128_ch3="0x23"
REG_adc128_ch4="0x24"
REG_adc128_ch5="0x25"
REG_adc128_ch6="0x26"
REG_adc128_ch7="0x27"

REG_emc1413_TD1_H="0x00"
REG_emc1413_TD1_L="0x29"
REG_emc1413_TD2_H="0x01"
REG_emc1413_TD2_L="0x10"
REG_emc1413_TD3_H="0x23"
REG_emc1413_TD3_L="0x24"

REG_ina3221_ch1="0x01"
REG_ina3221_ch2="0x03"
REG_ina3221_ch3="0x05"
REG_ina3221_bus1="0x02"
REG_ina3221_bus2="0x04"
REG_ina3221_bus3="0x06"

# ---------------------------------------------------------
#  Global Varible (请勿随意修改)
# ---------------------------------------------------------

# DEBUG MODE=0 : Disable debug mode
# DEBUG MODE=1 : Enable debug mode
DEBUG_MODE=0
# 选通网卡I2C通路的关键变量 
pca9641_slave=0x41
i2c_bus=12
pca9548_channel=0x04
pca9548_slave=0x72

log="/tmp/nicsensor_debug.log"
fru_raw_file="/tmp/fru.bin"
INA3221_SHUNT_VOLT=0
INA3221_BUS_VOLT=1
INA3221_POWER=2

ina3221_ch0_volt="0"
ina3221_ch1_volt="0"
ina3221_ch2_volt="0"
ina3221_ch0_current="0"
ina3221_ch1_current="0"
ina3221_ch2_current="0"
SCRIPT_VRESION="1.1"
# ---------------------------------------------------------
#  Script Function Defination
# ---------------------------------------------------------

# script usage
print_usage(){
    echo ""
    echo "================>>> nicsensor script usage <<<================="
    echo "    format      : ./nicsensor.sh [slot] [sensor tpye] [slave]"
    echo "    slot        : 0 1 2 3 4 5 ..."
    echo "    sensor type : emc1413, adc128, ina3221"
    echo "    slave       : chip slave address , please provide 7 bit address"
    echo "    E.G.        : ./nicsensor.sh 0 adc128 0x1f"
    echo ""
    echo "    If want to read/write chip register, use the below format"
    echo "       ./nicsensor.sh [slot] chip [slave] [i2c_command]"
    echo "       i2c_command : such as [i2ctransfer -y 13 w1@0x10 0x00 r2]"
    echo ""
    echo "    If want to use debug mode, please modify the DEBUG_MODE to 1"
    echo "      now status : [Line 82] debug mode = $DEBUG_MODE"
    echo ""
}

# 根据5280m7 pcie slot 和 i2c 对对应关系调整变量
set_configuration_5280m7(){
    # set pca9641 address && I2C BUS
    if [ $pcie_slot -le 2 ];then
        pca9641_slave="0x41"
        i2c_bus=12
    else
        pca9641_slave="0x42"
        i2c_bus=13
    fi

    # set pca9548 switch channel
    if [ $pcie_slot -eq 0 ];then
        pca9548_channel="0x02"
    elif [ $pcie_slot -eq 1 ];then
        pca9548_channel="0x04"
    elif [ $pcie_slot -eq 2 ];then
        pca9548_channel="0x08"
    elif [ $pcie_slot -eq 3 ];then
        pca9548_channel="0x02"
    elif [ $pcie_slot -eq 4 ];then
        pca9548_channel="0x04"
    elif [ $pcie_slot -eq 5 ];then
        pca9548_channel="0x08"
    fi
}

# 根据5468m7 pcie slot 和 i2c 对对应关系调整变量
set_configuration_5468m7(){
    # set pca9641 address && I2C BUS
    if [ $pcie_slot -le 4 ];then
        pca9641_slave="0x31"
        pca9548_slave="0x70"
        i2c_bus=13
    else
        pca9641_slave="0x42"
        pca9548_slave="0x71"
        i2c_bus=14
    fi

    # set pca9548 switch channel
    if [ $pcie_slot -eq 0 ];then
        pca9548_channel="0x01"
    elif [ $pcie_slot -eq 1 ];then
        pca9548_channel="0x02"
    elif [ $pcie_slot -eq 2 ];then
        pca9548_channel="0x04"
    elif [ $pcie_slot -eq 3 ];then
        pca9548_channel="0x08"
    elif [ $pcie_slot -eq 4 ];then
        pca9548_channel="0x10"
    elif [ $pcie_slot -eq 5 ];then
        pca9548_channel="0x01"
    elif [ $pcie_slot -eq 6 ];then
        pca9548_channel="0x02"
    elif [ $pcie_slot -eq 7 ];then
        pca9548_channel="0x04"
    elif [ $pcie_slot -eq 8 ];then
        pca9548_channel="0x08"
    elif [ $pcie_slot -eq 9 ];then
        pca9548_channel="0x10"
    elif [ $pcie_slot -eq 10 ];then
        pca9548_channel="0x20"
    fi
}

# 根据输入信息调整选通芯片的配置(PCA9641 PCA9548)
# 20240912 - 更新脚本：支持通过服务器型号进行配置
set_configuration(){

    echo "Server Type : $server_type" >> $log

    # 根据服务器型号执行对应的配置策略
    if [ $server_type == "5280m7" ];then
        set_configuration_5280m7
    elif [ $server_type == "5468m7" ];then
        set_configuration_5468m7
    else
        echo " Unsupport Server Type !!! - $server_type"
        exit 1
    fi
}

# 初始化调试日志
prepare_start_info(){
    # 只保留一次日志读取记录
    if [ -e $log ];then
        rm $log
    fi

    # print time header
    res_date=`date`
    echo "=========================== $res_date" >> $log
    echo "Script Version : $SCRIPT_VERSION"

    # 记录单次配置信息到调试日志中去
    echo "PCIE slot : $pcie_slot" >> $log
    echo "I2C Bus: $i2c_bus" >> $log
    echo "PCA9641 slave: $pca9641_slave" >> $log
    echo "PCA9548 slave: $pca9548_slave" >> $log
    echo "PCA9548 channel: $pca9548_channel" >> $log

    # Record i2c device info to log
    res_info=`i2cdetect -y $i2c_bus`
    echo $res_info >> $log
}

# 获取PCA9641的控制权
get_pca9641_controll(){
    
    # Request 9641 lock
    res_lock=`i2ctransfer -y $i2c_bus w2@$pca9641_slave $REG_pca9641_controll 0x81 r1`
    echo "After request 9641 lock, The REG value is $res_lock" >> $log

    # Build 9641 Connection 
    res_build=`i2ctransfer -y $i2c_bus w2@$pca9641_slave $REG_pca9641_controll 0x85 r1`
    echo "After Build 9641 connection, The REG value is $res_build" >> $log

    # After get 9641 controll, Record i2c device info to log
    res_after=`i2cdetect -y $i2c_bus`
    echo $res_after >> $log

    if [ "$res_build" != "0x87" ];then
        echo "Cannot establish connection with pca9641 !!!"
        exit 1
    fi
}

# 选通PCA9548的channel
switch_pca9548_channel(){

    # set 9548 channel
    res_setchannel=`i2ctransfer -y $i2c_bus w1@$pca9548_slave $pca9548_channel`
    echo "After switch channel" >> $log

    # After set 9548 channel , record i2c device info
    res_after=`i2cdetect -y $i2c_bus`
    echo $res_after >> $log
}


# ---------------------------------------------------------
#  Chip EMC1413
# ---------------------------------------------------------
# 处理EMC1413读到的数据并输出结果
# @Param1 emc1413读取数据高位
# @Param2 emc1413读取数据低位
# @Param3 channel号
convert_emc1413_data(){
    # 将读取到的两位数据去掉 0x 前缀
    hex_value1=$(echo "$1" | awk '{sub(/^0x/,""); print}')
    hex_value2=$(echo "$2" | awk '{sub(/^0x/,""); print}')

    # 由于 bc 计算器只能识别大写的 十六进制数据，将小写的十六进制数据全部转化为大写的数据
    upper_hex_value1=$(echo "$hex_value1" | awk '{ for(i=1; i<=length($0); i++){ if(tolower(substr($0,i,1)) ~ /^[a-f]$/) printf toupper(substr($0,i,1)); else printf substr($0,i,1); } print "" }')
    upper_hex_value2=$(echo "$hex_value2" | awk '{ for(i=1; i<=length($0); i++){ if(tolower(substr($0,i,1)) ~ /^[a-f]$/) printf toupper(substr($0,i,1)); else printf substr($0,i,1); } print "" }')

    # 转化为10进制数据
    dec_value1=$(echo "ibase=16; $upper_hex_value1" | bc)
    dec_value2=$(echo "ibase=16; $upper_hex_value2" | bc)

    # 计算温度值
    temp=$(echo "scale=4; $dec_value1 + ($dec_value2 / 32 * 0.125 )" | bc)

    # 格式化输出数据
    format_temp=$(echo "$temp" | awk '{ if ($0 ~ /^\./) print "0" $0; else print $0 }')

    echo "channel $3 : $format_temp C, hex value : $hex_value1 $hex_value2"

}

# 读取EMC1413芯片每个通道的数据,随后调用数据处理函数进行数据解析并输出
read_emc1413_channel_value(){

    echo "Start EMC1413 channel data ..." >> $log

    res_td1_h=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_emc1413_TD1_H r1`
    res_td1_l=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_emc1413_TD1_L r1`
    res_td2_h=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_emc1413_TD2_H r1`
    res_td2_l=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_emc1413_TD2_L r1`
    res_td3_h=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_emc1413_TD3_H r1`
    res_td3_l=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_emc1413_TD3_L r1`

    # 将 I2C 读取的 raw 数据记录到调试日志中
    echo "channel 1 : $res_td1_h $res_td1_l" >> $log
    echo "channel 2 : $res_td2_h $res_td2_l" >> $log
    echo "channel 3 : $res_td3_h $res_td3_l" >> $log

    # start parse raw data
    echo ">>> The emc1413 value is:"
    convert_emc1413_data $res_td1_h $res_td1_l 1 
    convert_emc1413_data $res_td2_h $res_td2_l 2 
    convert_emc1413_data $res_td3_h $res_td3_l 3 

}

# EMC1413处理逻辑
process_emc1413(){
    # emc1413 no need to init

    # get chip emc1413 value
    read_emc1413_channel_value
}

# ---------------------------------------------------------
#  Chip ADC128
# ---------------------------------------------------------
# 进行ADC128芯片的初始化
check_adc128_init(){
    # Get Reg 0x00 status
    res_adc128_status=`i2cget -y $i2c_bus $chip_slave $REG_adc128_config`
    echo "REG adc128 STATUS : $res_adc128_status" >> $log

    # if stauts is not 0x01 (Start Monitor) ,then do init
    if [ "$res_adc128_status" != "0x01" ];then
        echo "Start Init ADC128 Chip" >> $log
        # Init ADC128 work as mode 1 (0x02)
        res_adc128_advance=`i2ctransfer -y $i2c_bus w2@$chip_slave $REG_adc128_advance 0x02`
        # Set ADC128 on start (0x01)
        res_adc128_setstart=`i2ctransfer -y $i2c_bus w2@$chip_slave $REG_adc128_config 0x01 r1`

        echo "After Set status, the REG 0x00 value is $res_adc128_setstart" >> $log
    fi
}

# 处理ADC128读到的数据并输出结果
# @Param 1 ADC128读取数据高位
# @Param 2 ADC128读取数据低位
# @Param 3 channel号
# @Param 4 分压系数
convert_adc128_data(){
    # 将读取到的两位数据拼接起来
    hex_value1=$(echo "$1" | awk '{sub(/^0x/,""); print}')
    hex_value2=$(echo "$2" | awk '{sub(/^0x/,""); print}')
    merge_value="${hex_value1}${hex_value2}"

    # 由于 bc 计算器只能识别大写的 十六进制数据，这里将小写的十六进制数据全部转化为大写的数据
    upper_hex_value=$(echo "$merge_value" | awk '{ for(i=1; i<=length($0); i++){ if(tolower(substr($0,i,1)) ~ /^[a-f]$/) printf toupper(substr($0,i,1)); else printf substr($0,i,1); } print "" }')

    # 利用bc计算器进行运算，并将返回值格式化后输出
    dec_val=$(echo "ibase=16; $upper_hex_value" | bc)
    volt=$(echo "scale=4; $dec_val / 16 / 4096 * 2.65 / $4" | bc)
    format_volt=$(echo "$volt" | awk '{ if ($0 ~ /^\./) print "0" $0; else print $0 }')

    echo "Channel $3 : $format_volt v, hex value: $upper_hex_value"
}

# 读取ADC128芯片每个通道的数据,随后调用数据处理函数进行数据解析并输出
read_adc128_channel_value(){
    echo "Start Read ADC128 channel data ..." >> $log

    res_ch0=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_adc128_ch0 r2`
    res_ch1=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_adc128_ch1 r2`
    res_ch2=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_adc128_ch2 r2`
    res_ch3=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_adc128_ch3 r2`
    res_ch4=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_adc128_ch4 r2`
    res_ch5=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_adc128_ch5 r2`
    res_ch6=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_adc128_ch6 r2`
    res_ch7=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_adc128_ch7 r2`

    # 将 I2C 读取的 raw 数据记录到调试日志中
    echo "channel0 : $res_ch0" >> $log
    echo "channel1 : $res_ch1" >> $log
    echo "channel2 : $res_ch2" >> $log
    echo "channel3 : $res_ch3" >> $log
    echo "channel4 : $res_ch4" >> $log
    echo "channel5 : $res_ch5" >> $log
    echo "channel6 : $res_ch6" >> $log
    echo "channel7 : $res_ch7" >> $log

    # start parse raw data
    echo ">>> The ADC128 value is :"
    convert_adc128_data $res_ch0 0 $votage_division_factor_0
    convert_adc128_data $res_ch1 1 $votage_division_factor_1
    convert_adc128_data $res_ch2 2 $votage_division_factor_2
    convert_adc128_data $res_ch3 3 $votage_division_factor_3
    convert_adc128_data $res_ch4 4 $votage_division_factor_4
    convert_adc128_data $res_ch5 5 $votage_division_factor_5
    convert_adc128_data $res_ch6 6 $votage_division_factor_6
    convert_adc128_data $res_ch7 7 $votage_division_factor_7
}

# ADC128处理逻辑
process_adc128(){
    # check if chip adc128 need init
    check_adc128_init

    # get chip adc128 value
    read_adc128_channel_value 
}

# ---------------------------------------------------------
#  Chip INA3221
# ---------------------------------------------------------
# 处理INA3221读到的电流数据并输出结果
# @Param1 ina3221读取数据高位
# @Param2 ina3221读取数据低位
# @Param3 channel号
# @Param4 0代表数据是shunt volt
#         1代表数据是bus volt
# @Param5 分流电阻 (仅在 Param4 是 shunt volt时有用)
convert_ina3221_data(){
    # 将读取到的两位数据拼接起来
    hex_value1=$(echo "$1" | awk '{sub(/^0x/,""); print}')
    hex_value2=$(echo "$2" | awk '{sub(/^0x/,""); print}')
    merge_value="${hex_value1}${hex_value2}"

    # 由于 bc 计算器只能识别大写的 十六进制数据，这里将小写的十六进制数据全部转化为大写的数据
    upper_hex_value=$(echo "$merge_value" | awk '{ for(i=1; i<=length($0); i++){ if(tolower(substr($0,i,1)) ~ /^[a-f]$/) printf toupper(substr($0,i,1)); else printf substr($0,i,1); } print "" }')

    # 将16进制数据转化为10进制
    dec_val=$(echo "ibase=16; $upper_hex_value" | bc)

    # todo 检查这个数据的最高位是否为1
    # max_unsigned_32bit_half=$(echo "scale=0; 2^31 / 2" | bc)
    # if [ $(echo "$dec_val >= $max_unsigned_32bit_half" | bc) -eq 1 ];then
    #     echo ""
    # else
    #     echo ""
    # fi
    if [ $4 -eq $INA3221_BUS_VOLT ];then
        # 计算每个通道上的电压
        volt=$(echo "scale=4; $dec_val / 8 * 40 / 10000 * 2" | bc)

        # 格式化输出数据
        format_volt=$(echo "$volt" | awk '{ if ($0 ~ /^\./) print "0" $0; else print $0 }')

        echo "channel $3 : $format_volt V, hex value: $upper_hex_value"

        if [ $3 -eq 0 ];then
            ina3221_ch0_volt=$format_volt
        elif [ $3 -eq 1 ];then
            ina3221_ch1_volt=$format_volt
        else
            ina3221_ch2_volt=$format_volt
        fi

    elif [ $4 -eq $INA3221_SHUNT_VOLT ];then
        # 计算每个分流电阻上的电压，同时计算出电流
        current_mv=$(echo "scale=4; $dec_val / 8 * 40 / 1000" | bc)
        current=$(echo "scale=4; $current_mv / $5" | bc)

        # 格式化输出数据
        format_current=$(echo "$current" | awk '{ if ($0 ~ /^\./) print "0" $0; else print $0 }')
        format_current_mv=$(echo "$current_mv" | awk '{ if ($0 ~ /^\./) print "0" $0; else print $0 }')

        echo "channel $3 : $format_current A, shunt volt: $format_current_mv mV, shunt resistor: $5 mOhm, hex value: $upper_hex_value"

        if [ $3 -eq 0 ];then
            ina3221_ch0_current=$format_current
        elif [ $3 -eq 1 ];then
            ina3221_ch1_current=$format_current
        else
            ina3221_ch2_current=$format_current
        fi

    elif [ $4 -eq $INA3221_POWER ];then
        # 计算每个通道上的功耗，并算总和
        power_ch0=$(echo "scale=4; $ina3221_ch0_volt * $ina3221_ch0_current" | bc)
        power_ch1=$(echo "scale=4; $ina3221_ch1_volt * $ina3221_ch1_current" | bc)
        power_ch2=$(echo "scale=4; $ina3221_ch2_volt * $ina3221_ch2_current" | bc)

        # 格式化输出数据
        format_power_ch0=$(echo "$power_ch0" | awk '{ if ($0 ~ /^\./) print "0" $0; else print $0 }')
        format_power_ch1=$(echo "$power_ch1" | awk '{ if ($0 ~ /^\./) print "0" $0; else print $0 }')
        format_power_ch2=$(echo "$power_ch2" | awk '{ if ($0 ~ /^\./) print "0" $0; else print $0 }')

        total_power=$(echo "scale=4; $power_ch0 + $power_ch1 + $power_ch2" | bc)

        echo "channel 0  : $format_power_ch0 W"
        echo "channel 1  : $format_power_ch1 W"
        echo "channel 2  : $format_power_ch2 W"
        echo "total power: $total_power W"
    fi
}

# 读取INA3221芯片每个通道的数据,随后调用数据处理函数进行数据解析并输出
read_ina3221_channel_value(){
    echo "Start Read INA3221 channel data ..." >> $log

    res_ch0=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_ina3221_ch1 r2`
    res_ch1=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_ina3221_ch2 r2`
    res_ch2=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_ina3221_ch3 r2`
    res_bus0=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_ina3221_bus1 r2`
    res_bus1=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_ina3221_bus2 r2`
    res_bus2=`i2ctransfer -y $i2c_bus w1@$chip_slave $REG_ina3221_bus3 r2`
    

    # 将 I2C 读取的 raw 数据记录到调试日志中
    echo "channel 0 shunt volt: $res_ch0" >> $log
    echo "channel 1 shunt volt: $res_ch1" >> $log
    echo "channel 2 shunt volt: $res_ch2" >> $log

    echo "Channel 0 bus volt : $res_bus0" >> $log
    echo "Channel 1 bus volt : $res_bus1" >> $log
    echo "Channel 2 bus volt : $res_bus2" >> $log

    # start parse raw data
    echo ">>> The INA3221 shunt value is :"
    convert_ina3221_data $res_ch0 0 $INA3221_SHUNT_VOLT $shunt_resistor_0
    convert_ina3221_data $res_ch1 1 $INA3221_SHUNT_VOLT $shunt_resistor_1
    convert_ina3221_data $res_ch2 2 $INA3221_SHUNT_VOLT $shunt_resistor_2

    echo ">>> The INA3221 bus value is :"
    convert_ina3221_data $res_bus0 0 $INA3221_BUS_VOLT 
    convert_ina3221_data $res_bus1 1 $INA3221_BUS_VOLT 
    convert_ina3221_data $res_bus2 2 $INA3221_BUS_VOLT 

    echo ">>> The INA3221 bus power is :"
    convert_ina3221_data 0 0 0 $INA3221_POWER
}

# INA3221处理逻辑
process_ina3221(){

    # ina3221 no need to init first
    
    # get chip ina3221 value
    read_ina3221_channel_value
}

# ---------------------------------------------------------
#  CHIP
# ---------------------------------------------------------
# 临时支持CHIP读取寄存器
write_read_chip(){
    
    # Modify i2c cmd which write to cpld if need
    cmd_wr=$option_data
    res_wr=`$cmd_wr`

    echo ">>> Chip Command: $cmd_wr"
    echo ">>> The Result  : $res_wr"
}

# cpld处理逻辑
process_chip(){

    # cpld no need to init first

    # write and read cpld
    write_read_chip

}

# ---------------------------------------------------------
#  FRU
# ---------------------------------------------------------
# 临时支持FRU读取
read_fru(){

    res_fru=`i2ctransfer -y $i2c_bus w2@$chip_slave $fru_offset r256`

    # 将FRU数据按照每行16个字符输出
    echo "The Fru Data :"
    echo "$res_fru" | \
    awk '{
        line="";
        count=0;

        for(i=1; i<=NF; i++){
            hex=substr($i, 3);

            if(line != ""){
                line = line " ";
            }
            line = line hex;

            count++;
            if (count == 16){
                print line;
                line = "";
                count = 0;
            }
        }

        if(line != ""){
            print line;
        }
    }'

}

# 暂时不支持FRU写入，预留接口
write_fru(){
    current_byte=0

    echo "Not support write fru now ..."
    exit 0

    while IFS= read -r -n 1 byte || [[ -n "$byte" ]];do
        i2cset -y $i2c_bus $chip_slave $current_byte $byte w

        current_byte=$(($current_byte+1))
    done < "$fru_raw_file"
}

# fru 处理逻辑
process_fru(){
    # fru no need to init first

    # write and read fru
    if [ "$option_data" == "write" ];then
        write_fru
    else
        # 默认为读取操作
        read_fru
    fi
}
# ---------------------------------------------------------
#  END of CHIP Function
# ---------------------------------------------------------

# 读取sensor流程的起点
start_get_sensor(){

    # 首先选通 PCA9641 和 PCA9548,构建I2C通路 
    # 如果使用了debug模式,那么将不执行选通9641和9548的操作
    if [ $DEBUG_MODE -eq 0 ];then
        # set global varible by server type
        set_configuration

        # print start info in log
        prepare_start_info

        # 从9641获取I2C控制权
        get_pca9641_controll

        # 选择9548 channel
        switch_pca9548_channel
    fi

    # get sensor detail value
    if [ "$sensor_type" == "emc1413" ];then
        process_emc1413
    elif [ "$sensor_type" == "adc128" ];then
        process_adc128
    elif [ "$sensor_type" == "ina3221" ];then
        process_ina3221
    elif [ "$sensor_type" == "chip" ];then
        process_chip
    elif [ "$sensor_type" == "fru" ];then
        process_fru
    else
        echo "Error Sensor Type !!!"
        print_usage
    fi
}

# 在 5280m7 上扫描每个pcie slot下的I2C设备
# 详细对应关系参阅 readme.txt 第二节
detect_on_5280m7(){
    # 从9641获取I2C控制权
    i2c_bus=12
    pca9641_slave="0x41"
    get_pca9641_controll

    echo ">>> PCIe slot 0 : bus12 9548channel 1"
    i2ctransfer -y $i2c_bus w1@0x72 0x02
    i2cdetect -y $i2c_bus

    echo ">>> PCIe slot 1 : bus12 9548channel 2"
    i2ctransfer -y $i2c_bus w1@0x72 0x04
    i2cdetect -y $i2c_bus

    echo ">>> PCIe slot 2 : bus12 9548channel 3"
    i2ctransfer -y $i2c_bus w1@0x72 0x08
    i2cdetect -y $i2c_bus

    i2c_bus=13
    pca9641_slave="0x42"
    get_pca9641_controll
    
    echo ">>> PCIe slot 3 : bus13 9548channel 1"
    i2ctransfer -y $i2c_bus w1@0x72 0x02
    i2cdetect -y $i2c_bus

    echo ">>> PCIe slot 4 : bus13 9548channel 2"
    i2ctransfer -y $i2c_bus w1@0x72 0x04
    i2cdetect -y $i2c_bus

    echo ">>> PCIe slot 5 : bus13 9548channel 3"
    i2ctransfer -y $i2c_bus w1@0x72 0x08
    i2cdetect -y $i2c_bus
}

# 在 5468m7 上扫描每个pcie slot下的I2C设备
# 详细对应关系参阅 readme.txt 第二节
detect_on_5468m7(){
    # 从9641获取I2C控制权
    i2c_bus=13
    pca9641_slave="0x31"
    get_pca9641_controll

    echo ">>> PCIe slot 0 : bus13 9548channel 0"
    i2ctransfer -y $i2c_bus w1@0x70 0x01
    i2cdetect -y $i2c_bus

    echo ">>> PCIe slot 1 : bus13 9548channel 1"
    i2ctransfer -y $i2c_bus w1@0x70 0x02
    i2cdetect -y $i2c_bus

    echo ">>> PCIe slot 2 : bus13 9548channel 2"
    i2ctransfer -y $i2c_bus w1@0x70 0x04
    i2cdetect -y $i2c_bus
    
    echo ">>> PCIe slot 3 : bus13 9548channel 3"
    i2ctransfer -y $i2c_bus w1@0x70 0x08
    i2cdetect -y $i2c_bus

    echo ">>> PCIe slot 4 : bus13 9548channel 4"
    i2ctransfer -y $i2c_bus w1@0x70 0x10
    i2cdetect -y $i2c_bus

    i2c_bus=14
    pca9641_slave="0x42"
    get_pca9641_controll

    echo ">>> PCIe slot 5 : bus14 9548channel 0"
    i2ctransfer -y $i2c_bus w1@0x71 0x01
    i2cdetect -y $i2c_bus

    echo ">>> PCIe slot 6 : bus14 9548channel 1"
    i2ctransfer -y $i2c_bus w1@0x71 0x02
    i2cdetect -y $i2c_bus

    echo ">>> PCIe slot 7 : bus14 9548channel 2"
    i2ctransfer -y $i2c_bus w1@0x71 0x04
    i2cdetect -y $i2c_bus

    echo ">>> PCIe slot 8 : bus14 9548channel 3"
    i2ctransfer -y $i2c_bus w1@0x71 0x08
    i2cdetect -y $i2c_bus

    echo ">>> PCIe slot 9 : bus14 9548channel 4"
    i2ctransfer -y $i2c_bus w1@0x71 0x10
    i2cdetect -y $i2c_bus

    echo ">>> PCIe slot 10 : bus14 9548channel 5"
    i2ctransfer -y $i2c_bus w1@0x71 0x20
    i2cdetect -y $i2c_bus
}

# 搜索服务器所有PCIE插槽的I2C设备信息,当前仅支持特定Riser卡上的设备
# change list : 20240912-支持服务器器型号5280m7,5468m7
start_detect_device(){

    # debug mode下不支持进行detect操作
    if [ $DEBUG_MODE -ne 0 ];then
        echo "Can't do this action in debug mode"
        exit 0
    fi

    if [ $server_type == "5280m7" ];then
        detect_on_5280m7
    elif [ $server_type == "5468m7" ];then
        detect_on_5468m7
    else
        echo "Unsupport Server Type !!!"
    fi
}

# ---------------------------------------------------------
#  Start Execute Script
# ---------------------------------------------------------

if [ "$1" == "detect" ];then
    start_detect_device
    exit 0
fi

if [ $# -le 2 ];then
    print_usage
else
    start_get_sensor
fi