#!/bin/bash

DEVICE="/dev/ttyUSB0"
BAUD=38400
PARITY="even"
DATABITS=8
STOPBITS=1
SLAVE=1
START_REG=0   # Modbus address 1 = F000
END_REG=201   # F199 = start+199

OUTPUT_FILE="vfd_register_scan.csv"

# Define register labels (all placeholders "Unknown")
declare -A REG_LABELS
for i in $(seq 0 199); do
    REG_LABELS[$i]="Unknown"
done

# Labels taken from H100 Manual
REG_LABELS[0]="Parameter Locking"
REG_LABELS[1]="Selection of Control Mode"
REG_LABELS[2]="Frequuency Setting Selection"
REG_LABELS[3]="Main Frequency"
REG_LABELS[4]="Reference Frequency"
REG_LABELS[5]="Maximum Operating Frequency"
REG_LABELS[6]="Intermediate Frequency"
REG_LABELS[7]="Starting Frequency"
REG_LABELS[8]="Maximum Voltage "
REG_LABELS[9]="Intermediate Voltage"
REG_LABELS[10]="Booster Voltage of Low-Frequency Torque "
REG_LABELS[11]="Lower Limit of Frequency "
REG_LABELS[12]="Drive Control Mode "
REG_LABELS[13]="Parameter Reset "
REG_LABELS[14]="Acceleration Time I"
REG_LABELS[15]="Decelaration Time I"
REG_LABELS[16]="Acceleration Time II"
REG_LABELS[17]="Decelaration Time II"
REG_LABELS[18]="Acceleration Time III"
REG_LABELS[19]="Decelaration Time III"
REG_LABELS[20]="Acceleration Time IV (Jogging Acceleration Time)"
REG_LABELS[21]="Decelaration Time IV (Jogging Deceleration Time)"
REG_LABELS[22]="Emergency Stop Decelaration Time"
REG_LABELS[23]="Reverse Prohibit"
REG_LABELS[24]="Stop Key is Valid or Not"
REG_LABELS[25]="Start Up Mode"
REG_LABELS[26]="Stop Mode"
REG_LABELS[27]="Forward and Reverse"
REG_LABELS[28]="Stop Frequency"
REG_LABELS[29]="DC Braking Time When Starting"
REG_LABELS[30]="DC Braking Time When Stopping"
REG_LABELS[31]="DC Braking Level"
REG_LABELS[32]="Frequency Tracking Time"
REG_LABELS[33]="Frequency Tracking Current Level"
REG_LABELS[34]="Voltage Risting Time During Frequency Tracking"
REG_LABELS[35]="% of Starting Voltage During Frequency Tracking"
REG_LABELS[36]="Voltage Increment During Frequency Tracking"
REG_LABELS[37]="Reserved"
REG_LABELS[38]="Reserved"
REG_LABELS[39]="Starting Frequency of DC Braking"
REG_LABELS[40]="F / R Key Function Selection"
REG_LABELS[41]="Carrier Frequency"
REG_LABELS[42]="Jog Frequency"
REG_LABELS[43]="S Curve Time"
REG_LABELS[44]="X1 Terminal Function"
REG_LABELS[45]="X2 Terminal Function"
REG_LABELS[46]="X3 Terminal Function"
REG_LABELS[47]="X4 Terminal Function"
REG_LABELS[48]="X5 Terminal Function"
REG_LABELS[49]="X6 Terminal Function"
REG_LABELS[50]="Y1 Output Function"
REG_LABELS[51]="Y2 Output Function"
REG_LABELS[52]="Output Function of Terminals KA"
REG_LABELS[53]="Output Function of Terminals FA, FB & FC"
REG_LABELS[54]="A0 Output Function"
REG_LABELS[55]="A0 Analogy Output"
REG_LABELS[56]="Swing Frequency Amplitude"
REG_LABELS[57]="Jump Amplitude"
REG_LABELS[58]="Swing Frequency Cycle"
REG_LABELS[59]="Swing Frequency Rise Time"
REG_LABELS[60]="Frequency Consistency I"
REG_LABELS[61]="Frequency Consistency"
REG_LABELS[62]="Frequency Consistency Range"
REG_LABELS[63]="Time I"
REG_LABELS[64]="Monostable Pulse Width Setting"
REG_LABELS[65]="Counter Reference Value"
REG_LABELS[66]="Counter Mode Setting"
REG_LABELS[67]="Positive and Negative Logic of Digital Input Terminal"
REG_LABELS[68]="Digial Input Dithering Elimination Time"
REG_LABELS[69]="PFI / PFO Maximum Frequency"
REG_LABELS[70]="Input Channel Selection for Analog Quantity"
REG_LABELS[71]="Filtering Time of Analog Quantity"
REG_LABELS[72]="AI1 Channel Gain"
REG_LABELS[73]="AI2 Channel Gain"
REG_LABELS[74]="AI1 Channel Offset"
REG_LABELS[75]="AI2 Channel Offset"
REG_LABELS[76]="Reverse Selection for Negative Bias of Analog Quantity"
REG_LABELS[77]="Memory Function Selection for UP & DOWN"
REG_LABELS[78]="Increment Selection for UP & DOWN"
REG_LABELS[79]="Increment Multiple for UP & DOWN"
REG_LABELS[80]="Multi-Segmented Speed Mode Selection"
REG_LABELS[81]="Running Mode Selection of Internally Controlled Multi-Semgment Speed"
REG_LABELS[82]="Speed Runing Direction of First 8 Segments"
REG_LABELS[83]="Speed Running Direction of Last 8 Segments"
REG_LABELS[84]="Acceleration / Deceleration Time Selection for First 8 Segments"
REG_LABELS[85]="Acceleration / Deceleration Time Selection for Last 8 Segments"
REG_LABELS[86]="Frequency II Setting"
REG_LABELS[87]="Frequency III Setting"
REG_LABELS[88]="Frequency IV Setting"
REG_LABELS[89]="Frequency V Setting"
REG_LABELS[90]="Frequency VI Setting"
REG_LABELS[91]="Frequency VII Setting"
REG_LABELS[92]="Frequenccy VIII Setting"
REG_LABELS[93]="Frequencey IX Setting"
REG_LABELS[94]="Frequency X Setting"
REG_LABELS[95]="Frequency XI Setting"
REG_LABELS[96]="Frequency XII Setting"
REG_LABELS[97]="Frequency XIII Setting"
REG_LABELS[98]="Frequencey XIV Setting"
REG_LABELS[99]="Frequencey XV Setting"
REG_LABELS[100]="Frequency XVI Setting"
REG_LABELS[101]="Timer I"
REG_LABELS[102]="Timer II"
REG_LABELS[103]="Timer III"
REG_LABELS[104]="Timer IV"
REG_LABELS[105]="Timer V"
REG_LABELS[106]="Timer VI"
REG_LABELS[107]="Timer VII"
REG_LABELS[108]="Timer VIII"
REG_LABELS[109]="Timer IX"
REG_LABELS[110]="Timer X"
REG_LABELS[111]="Timer XI"
REG_LABELS[112]="Timer XII"
REG_LABELS[113]="Timer XIII"
REG_LABELS[114]="Timer XIV"
REG_LABELS[115]="Timer XV"
REG_LABELS[116]="Timer XVI"
REG_LABELS[117]="Memory Function of Internally Controlled Multi-Segment Speed (UP / DOWN Power Down Reserve)"
REG_LABELS[118]="Selection of Overvoltage Stall Prevention"
REG_LABELS[119]="Stall Level During Acceleration"
REG_LABELS[120]="Stall Level During Constant Speed"
REG_LABELS[121]="Deceleration Time for Stall Prevention During Constant Speed"
REG_LABELS[122]="Stall Level During Deceleration"
REG_LABELS[123]="Selection of Over Torque Detection Method"
REG_LABELS[124]="Over Torque Detection Level"
REG_LABELS[125]="Over Torque Detection Time"
REG_LABELS[126]="Counter Memory"
REG_LABELS[127]="Pulse Counter Memory"
REG_LABELS[128]="Cooling Fan Control"
REG_LABELS[129]="Dynamic Braking Voltage"
REG_LABELS[130]="Number of Auxiliary Pumps"
REG_LABELS[131]="Continuous Operating Time of Auxiliary Pump"
REG_LABELS[132]="Interlocking Time of Auxiliary Pump"
REG_LABELS[133]="High-Speed Operating Time"
REG_LABELS[134]="Low-Speed Operating Time"
REG_LABELS[135]="Sleep Pressure Threshold"
REG_LABELS[136]="Sleep Delay"
REG_LABELS[137]="Wake-Up Threshold"
REG_LABELS[138]="Sleep Frequency"
REG_LABELS[139]="Wake-Up Delay"
REG_LABELS[140]="Rated Power of Motor"
REG_LABELS[141]="Rated Voltage of Motor"
REG_LABELS[142]="Rated Current of Motor"
REG_LABELS[143]="Number of Motor Poles"
REG_LABELS[144]="Motor Rotating Speed"
REG_LABELS[145]="Automatic Torque Compensation"
REG_LABELS[146]="No-Load Current of Motor"
REG_LABELS[147]="Motor Slip Compensation"
REG_LABELS[148]="Max Frequency of Motor Slip Compensation"
REG_LABELS[149]="Slip Compensation Filtering Time"
REG_LABELS[150]="AVR Function"
REG_LABELS[151]="Automatic Energy-Saving Function"
REG_LABELS[152]="Fault Restart Time"
REG_LABELS[153]="Power Failure Restart Selection"
REG_LABELS[154]="Allowable Outage Duration"
REG_LABELS[155]="Times of Fault Restart"
REG_LABELS[156]="Proportional Constant (P)"
REG_LABELS[157]="Integration Time (I)"
REG_LABELS[158]="Derivation Time (D)"
REG_LABELS[159]="Target Value"
REG_LABELS[160]="PID Channel Setting"
REG_LABELS[161]="PID Upper Limit"
REG_LABELS[162]="PID Lower Limit"
REG_LABELS[163]="Communication Address"
REG_LABELS[164]="Communication Transmission Speed"
REG_LABELS[165]="Communication Data Mode"
REG_LABELS[166]="Reserve"
REG_LABELS[167]="Reserve"
REG_LABELS[168]="Reserve"
REG_LABELS[169]="Given Deciman Point of Communication Frequency"
REG_LABELS[170]="Selection of Displayed Content 1"
REG_LABELS[171]="Selection of Displayed Content 2"
REG_LABELS[172]="Fault Clearing"
REG_LABELS[173]="Rated Voltage of Inverter"
REG_LABELS[174]="Rated Current of Inverter"
REG_LABELS[175]="Inverter Type"
REG_LABELS[176]="Standard for Inverter Frequency"
REG_LABELS[177]="Unexpected Error 1"
REG_LABELS[178]="Unexpected Error 2"
REG_LABELS[179]="Unexpected Error 3"
REG_LABELS[180]="Unexpected Error 4"
REG_LABELS[181]="Software Version No."
REG_LABELS[182]="Running Time"
REG_LABELS[183]="Cumulative Running Time"
REG_LABELS[184]="Speed Display Coefficient"
REG_LABELS[185]="Start Up Preset Display Selection"
REG_LABELS[186]="PID Automatic Display Enable"
REG_LABELS[187]="PID Display Selection"
REG_LABELS[188]="Display Number Corresponding to PID"
REG_LABELS[189]="Motor CPU Software"
REG_LABELS[190]="Motor CPU Software"
REG_LABELS[191]="Motor CPU Sofware"
REG_LABELS[192]="Motor Oscillation Compensation Factor"
REG_LABELS[193]="Output Open-Phase Protection"
REG_LABELS[194]="0Hz Output Enable"
REG_LABELS[195]="VF Separation Voltage Given Channel"
REG_LABELS[196]="Acceleration and Deceleration Time of VF Separation Voltage"
REG_LABELS[197]="Motor Reverse Operation Enable When PID Output Negative Value"
REG_LABELS[198]="LSD Compensation Enable"
REG_LABELS[199]="Keyboard UP.DOWN"
REG_LABELS[200]="N/A"

echo "Register,Label,Value" > "$OUTPUT_FILE"

echo "Scanning VFD registers F000 to F199 on $DEVICE ..."

for modbus_reg in $(seq $START_REG $END_REG); do
    # poll once (-1) and suppress extra verbose output
    output=$(mbpoll -1 -m rtu -a $SLAVE -b $BAUD -d $DATABITS -s $STOPBITS -P $PARITY -r $modbus_reg -c 1 "$DEVICE" 2>/dev/null)

    # parse value
    value=$(echo "$output" | grep "^\[$modbus_reg\]" | awk -F']' '{print $2}' | xargs)

    if [ -z "$value" ]; then
        value="INVALID / no response"
    fi

    # Map Modbus register to Fxxx label (offset by 1)
    f_index=$((modbus_reg - 1))
    label=${REG_LABELS[$f_index]}

    echo "F$(printf "%03d" $f_index) ($label): $value"
    echo "F$(printf "%03d" $f_index),$label,$value" >> "$OUTPUT_FILE"

    sleep 0.2
done

echo "Scan complete. Results saved to $OUTPUT_FILE"