work_sript/02.nicsensor/plugin/fru.sh

#!/bin/sh

log="/tmp/nicsensor_debug.log"

INFO="Info"
WARNING="Warning"
ERROR="Error"

# fru 烧录的起始地址
fru_offset="0x00 0x00"

fru_write_size=0
fru_write_data=""

# 将传入的fru文件解析为可被i2cransfer直接写入的数据
parse_fru_write_data(){
    # 判断fru文件是否存在于当前目录
    if [ -e $fru_file_name ];then
        format_log_print $INFO "Fru file exist!"
    else
        format_log_print $ERROR "Fru file not exist!"
        format_print $WARNING "Fru file not exist in current directory!"
        format_print $ERROR "Operation Failed!"
        exit 1
    fi
    
    # 计算需要写入的fru文件大小
    fru_write_size=`ls -lht | grep $fru_file_name | awk '{print $5}'`
    format_print $INFO "Fru File [$fru_file_name] size = $fru_write_size Bytes"
    format_log_print $INFO "Fru File [$fru_file_name] size = $fru_write_size Bytes"

    # 获取fru文件的 raw data
    fru_raw_data=`hexdump -C $fru_file_name | awk '{
        for(i=2;i<18;i++){
            print $i
        }
    }'`
    format_log_print $INFO "Fru Raw Data: $fru_raw_data"

    # 将raw data解析为可被 i2ctransfer 写入的数据
    fru_write_data=`echo $fru_raw_data | awk -v size=$fru_write_size '{
        for(i=1;i<=size;i++){
            printf "0x%s ",$i
        }
    }'`
}

# 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;
        }
    }'

}

# 20240926 支持写板卡FRU
write_fru(){
    
    i2c_write_byte=$(($fru_write_size+2))
    # 组装command并发送
    write_command="i2ctransfer -y $i2c_bus w$i2c_write_byte@$chip_slave $fru_offset $fru_write_data"
    write_res=`$write_command`
    format_log_print $INFO "Exec Command: $write_command"

}