183 lines
6.5 KiB
Bash
183 lines
6.5 KiB
Bash
#!/bin/sh
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mode=$1
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i2c_bus=$2
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chip_slave=$3
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server_platform=$4
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test_data1=$2
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test_data2=$3
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test_resistor=$4
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path=`pwd`
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fmt_print="${path}/format_print.sh"
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i2c_script="${path}/i2c_${server_platform}.sh"
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# INA3221 shunt resistor(unit: mohm)
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shunt_resistor_0="2"
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shunt_resistor_1="2"
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shunt_resistor_2="5"
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# INA3221 channel name
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INA3221_Channel0_name="Channel0"
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INA3221_Channel1_name="Channel1"
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INA3221_Channel2_name="Channel2"
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ina3221_ch0_volt="0"
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ina3221_ch1_volt="0"
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ina3221_ch2_volt="0"
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ina3221_ch0_current="0"
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ina3221_ch1_current="0"
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ina3221_ch2_current="0"
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REG_ina3221_ch1="0x01"
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REG_ina3221_ch2="0x03"
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REG_ina3221_ch3="0x05"
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REG_ina3221_bus1="0x02"
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REG_ina3221_bus2="0x04"
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REG_ina3221_bus3="0x06"
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INA3221_SHUNT_VOLT=0
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INA3221_BUS_VOLT=1
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INA3221_POWER=2
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print_help(){
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echo "---------------------------------------------------------"
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echo "<option> read"
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echo " Format : ./plugin_ina3221.sh read [i2c-bus] [slave] [platform]"
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echo " Example: ./plugin_ina3221.sh read 13 0x1f m7"
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echo "---------------------------------------------------------"
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echo "<option> test"
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echo " Format : ./plugin_ina3221.sh test [data1] [data2] [resistor]"
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echo " Example: ./plugin_ina3221.sh test 0xc7 0x00 5"
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echo "---------------------------------------------------------"
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echo "<option> help"
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echo " Format : ./plugin_ina3221.sh help"
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echo " Example: ./plugin_ina3221.sh help"
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echo "---------------------------------------------------------"
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}
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# @Param1 ina3221 data high 8bit
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# @Param2 ina3221 data high 8bit
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# @Param3 channel number
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# @Param4 mode select 0 - shunt volt
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# 1 - bus volt
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# @Param5 shunt resistor(only used in mode shunt volt)
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# @Param6 customization channel name
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convert_ina3221_data(){
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hex_value1=$(echo "$1" | awk '{sub(/^0x/,""); print}')
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hex_value2=$(echo "$2" | awk '{sub(/^0x/,""); print}')
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merge_value="${hex_value1}${hex_value2}"
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# bc calculator recognized upper case only, change data to upper case
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upper_hex_value=$(echo "$merge_value" | awk '{
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for(i=1; i<=length($0); i++){
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if(tolower(substr($0,i,1)) ~ /^[a-f]$/)
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printf toupper(substr($0,i,1));
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else
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printf substr($0,i,1);
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}
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print ""
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}')
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# change data from hex to dec
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dec_val=$(echo "ibase=16; $upper_hex_value" | bc)
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if [ $4 -eq $INA3221_BUS_VOLT ];then
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volt=$(echo "scale=4; $dec_val / 8 * 40 / 10000 * 2" | bc)
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format_volt=$(echo "$volt" | awk '{ if ($0 ~ /^\./) print "0" $0; else print $0 }')
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echo "$6 : $format_volt V, hex value: $upper_hex_value"
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if [ $3 -eq 0 ];then
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ina3221_ch0_volt=$format_volt
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elif [ $3 -eq 1 ];then
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ina3221_ch1_volt=$format_volt
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else
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ina3221_ch2_volt=$format_volt
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fi
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elif [ $4 -eq $INA3221_SHUNT_VOLT ];then
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current_mv=$(echo "scale=4; $dec_val / 8 * 40 / 1000" | bc)
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current=$(echo "scale=4; $current_mv / $5" | bc)
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format_current=$(echo "$current" | awk '{ if ($0 ~ /^\./) print "0" $0; else print $0 }')
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format_current_mv=$(echo "$current_mv" | awk '{ if ($0 ~ /^\./) print "0" $0; else print $0 }')
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echo "$6 : $format_current A, shunt volt: $format_current_mv mV, shunt resistor: $5 mOhm, hex value: $upper_hex_value"
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if [ $3 -eq 0 ];then
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ina3221_ch0_current=$format_current
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elif [ $3 -eq 1 ];then
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ina3221_ch1_current=$format_current
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else
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ina3221_ch2_current=$format_current
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fi
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elif [ $4 -eq $INA3221_POWER ];then
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# calculate power
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power_ch0=$(echo "scale=4; $ina3221_ch0_volt * $ina3221_ch0_current" | bc)
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power_ch1=$(echo "scale=4; $ina3221_ch1_volt * $ina3221_ch1_current" | bc)
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power_ch2=$(echo "scale=4; $ina3221_ch2_volt * $ina3221_ch2_current" | bc)
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format_power_ch0=$(echo "$power_ch0" | awk '{ if ($0 ~ /^\./) print "0" $0; else print $0 }')
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format_power_ch1=$(echo "$power_ch1" | awk '{ if ($0 ~ /^\./) print "0" $0; else print $0 }')
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format_power_ch2=$(echo "$power_ch2" | awk '{ if ($0 ~ /^\./) print "0" $0; else print $0 }')
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total_power=$(echo "scale=4; $power_ch0 + $power_ch1 + $power_ch2" | bc)
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echo "$INA3221_Channel0_name : $format_power_ch0 W"
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echo "$INA3221_Channel1_name : $format_power_ch1 W"
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echo "$INA3221_Channel2_name : $format_power_ch2 W"
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echo "total power: $total_power W"
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fi
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}
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read_ina3221_data(){
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res_ch0=`$i2c_script $i2c_bus 1 $chip_slave $REG_ina3221_ch1 r2`
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res_ch1=`$i2c_script $i2c_bus 1 $chip_slave $REG_ina3221_ch2 r2`
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res_ch2=`$i2c_script $i2c_bus 1 $chip_slave $REG_ina3221_ch3 r2`
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res_bus0=`$i2c_script $i2c_bus 1 $chip_slave $REG_ina3221_bus1 r2`
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res_bus1=`$i2c_script $i2c_bus 1 $chip_slave $REG_ina3221_bus2 r2`
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res_bus2=`$i2c_script $i2c_bus 1 $chip_slave $REG_ina3221_bus3 r2`
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$fmt_print "log" "Info" "[plugin_ina3221] channel 0 shunt volt: $res_ch0"
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$fmt_print "log" "Info" "[plugin_ina3221] channel 1 shunt volt: $res_ch1"
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$fmt_print "log" "Info" "[plugin_ina3221] channel 2 shunt volt: $res_ch2"
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$fmt_print "log" "Info" "[plugin_ina3221] channel 0 bus volt: $res_bus0"
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$fmt_print "log" "Info" "[plugin_ina3221] channel 0 bus volt: $res_bus1"
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$fmt_print "log" "Info" "[plugin_ina3221] channel 0 bus volt: $res_bus2"
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$fmt_print "console" "Info" "The INA3221 shunt value is :"
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convert_ina3221_data $res_ch0 0 $INA3221_SHUNT_VOLT $shunt_resistor_0 "$INA3221_Channel0_name"
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convert_ina3221_data $res_ch1 1 $INA3221_SHUNT_VOLT $shunt_resistor_1 "$INA3221_Channel1_name"
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convert_ina3221_data $res_ch2 2 $INA3221_SHUNT_VOLT $shunt_resistor_2 "$INA3221_Channel2_name"
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$fmt_print "console" "Info" "The INA3221 bus value is :"
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convert_ina3221_data $res_bus0 0 $INA3221_BUS_VOLT null "$INA3221_Channel0_name"
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convert_ina3221_data $res_bus1 1 $INA3221_BUS_VOLT null "$INA3221_Channel1_name"
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convert_ina3221_data $res_bus2 2 $INA3221_BUS_VOLT null "$INA3221_Channel2_name"
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$fmt_print "console" "Info" "The INA3221 bus power is :"
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convert_ina3221_data 0 0 0 $INA3221_POWER
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}
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test_ina3221_value(){
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convert_ina3221_data $test_data1 $test_data2 0 $INA3221_SHUNT_VOLT $test_resistor "INA3221"
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}
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case "${mode}" in
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"read")
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read_ina3221_data
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;;
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"test")
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test_ina3221_value
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;;
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"help")
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print_help
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;;
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*)
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$fmt_print "console" "Error" "[plugin_ina3221]Unexpected Input Param : $mode"
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print_help
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;;
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esac |