#!/bin/bash

result=0
debug_flag=0
bmc_fan_duty_cycle_ctrl()
{
    #control PSU 1
    fan_pwm_input=$(cat /sys/bus/i2c/devices/0-005a/psu_fan1_duty_cycle | awk '{print $1}')
    lo_byte_1= $((fan_pwm_input & 0xff))
    hi_byte_1= $((fan_pwm_input >> 8))

    #control PSU 2
    fan_pwm_input=$(cat /sys/bus/i2c/devices/0-0059/psu_fan1_duty_cycle | awk '{print $1}')
    lo_byte_2= $((fan_pwm_input & 0xff))
    hi_byte_2= $((fan_pwm_input >> 8))


    ipmitool raw 0x30 0x95 hi_byte_1 lo_byte_1 hi_byte_2 lo_byte_2

    return 1
}
byte_read(){
    data=$(echo $val | awk '{print $'"$1"'}')
    data=$(printf "%d" 0x$data)
    Value=$data
    return 1

}
add_byte(){
    hi_byte=$(echo $val | awk '{print $'"$1"'}')
    lo_byte=$(echo $val | awk '{print $'"$2"'}')
    hi_byte=$(printf "%d" 0x$hi_byte)
    lo_byte=$(printf "%d" 0x$lo_byte)
    ((hi_byte <<= 8))
    Value=$(($lo_byte+$hi_byte))
    return 1
}
# string_read [start byte] [length]
string_read(){
    Value=""
    seqnum=$(($1+$2-1))
    for i in $(seq $1 $seqnum)
    do
        data=$(echo $val | awk '{print $'"$i"'}')
        data=$(printf "%d" 0x$data)
        if [ $data -ne 0 ];then
            Value=$Value$(printf "$(printf '\\x%x' $data)")
        else
            data=0x20
            Value=$Value$(printf "$(printf '\\x%x' $data)")
        fi
    done
    return 1
}
#$1=dev_addr, $2=reg, $3=val
get_PSU_information()
{
    val=$(ipmitool raw 0x30 0x93 2>>/dev/null)
    #####################################################################################
    #   BMC_command     content         resultfile                          algorithm   #
    #   93  2:5         vin             5a/59   psu_v_in                    LINEAR_11   #
    #   93  6:9         vout            5a/59   psu_v_out                   LINEAR_16   #
    #   93  10:13       Iin             5a/59   psu_i_in                    LINEAR_11   #
    #   93  14:17       Iout            5a/59   psu_i_out                   LINEAR_11   #
    #   93  18:21       Pin             5a/59   psu_p_in                    LINEAR_11   #
    #   93  22:25       Pout            5a/59   psu_p_out                   LINEAR_11   #
    #   93  26:27       temp1           5a/59   psu_temp1_input                         #
    #   93  28:29       temp2           DISCARD                                         #
    #   93  30:31       temp3           DISCARD                                         #
    #   93  32:33       fan_fault       5a/59   psu_fan1_fault                          #
    #   93  34:37       fan_command     5a/59   psu_fan1_duty_cycle                     #
    #   93  38:41       fan_speed       5a/59   psu_fan1_speed_rpm          LINEAR_11   #
    #   93  42:43       psu_present     52/51   psu_present                             #
    #   93  44:45       power_good      52/51   psu_power_good                          #
    #   94  2:23        mfr_ID          5a/59   psu_mfr_id                              #
    #   94  24:45       mfr_model       5a/59   psu_mfr_model                           #
    #   94  46:49       mfr_rev         5a/59   psu_mfr_revision                        #
    #   94  50:97       mfr_serial      5a/59   psu_mfr_serial                          #
    #   TBD             pmbus_rev.      5a/59   psu_pmbus_revision                      #
    #   98  2:21        psu_model_name  52/51   psu_model_name                          #
    #   98  22:59       psu_serial      52/51   psu_serial_number                       #
    #####################################################################################
#_______________________with _LINEAR11&16 VIN IIN IOUT PIN POUT  FAN_SPEED with _LINEAR16 VOUT
	if [ -e /sys/bus/i2c/devices/0-005a/psu_mfr_id ] && [ -e /sys/bus/i2c/devices/0-0059/psu_mfr_id ];then
	    #PSU1 Vin
	    add_byte 1 2
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-005a/psu_v_in
	    fi
	    #PSU2 Vin
	    add_byte 3 4
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-0059/psu_v_in
	    fi
	    #PSU 1 Vout
	    add_byte 5 6
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-005a/psu_v_out
	    fi
	    #PSU 2 Vout
	    add_byte 7 8
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-0059/psu_v_out
	    fi
	    #PSU 1 Iin
	    add_byte 9 10
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-005a/psu_i_in
	    fi
	    #PSU 2 Iin
	    add_byte 11 12
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-0059/psu_i_in
	    fi
	    #PSU 1 Iout
	    add_byte 13 14
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-005a/psu_i_out
	    fi
	    #PSU 2 Iout
	    add_byte 15 16
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-0059/psu_i_out
	    fi
	    #PSU 1 Pin
	    add_byte 17 18
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-005a/psu_p_in
	    fi
	    #PSU 2 Pin
	    add_byte 19 20
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-0059/psu_p_in
	    fi
	    #PSU 1 Pout
	    add_byte 21 22
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-005a/psu_p_out
	    fi
	    #PSU 2 Pout
	    add_byte 23 24
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-0059/psu_p_out
	    fi
	    #PSU 1 Fan speed
	    add_byte 37 38
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-005a/psu_fan1_speed_rpm
	    fi
	    #PSU 2 Fan speed
	    add_byte 39 40
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-0059/psu_fan1_speed_rpm
	    fi
#_______________________with _LINEAR11&16 VIN IIN IOUT PIN POUT  FAN_SPEED with _LINEAR16 VOUT
#----------------93->/58/59----psu_fan1_fault psu_temp1_input psu_fan1_duty_cycle
	    #PSU 1 Temp1
	    byte_read 25
	    echo $Value > /sys/bus/i2c/devices/0-005a/psu_temp1_input
	    #PSU 2 Temp1
	    byte_read 26
	    echo $Value > /sys/bus/i2c/devices/0-0059/psu_temp1_input
	    if [ $debug_flag -eq 0 ];then
	        #PSU 1 Fan command
	        add_byte 33 34
	        if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-005a/psu_fan1_duty_cycle
	        fi
	        #PSU 2 Fan command
	        add_byte 35 36
	        if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-0059/psu_fan1_duty_cycle
	        fi
	    fi
	    #PSU 1 2 Fan status check fault(0x81,bit 7, 0 for ignormal)
	    byte_read 31
	    ((Value >>= 7))
	    echo $Value > /sys/bus/i2c/devices/0-005a/psu_fan1_fault

	    #PSU 2 Fan status check fault(0x81,bit 7, 0 for ignormal)
	    byte_read 32
	    ((Value >>= 7))
	    echo $Value > /sys/bus/i2c/devices/0-0059/psu_fan1_fault
	fi

#____________________________________
#----------------93->/50/51
	if [ -e /sys/bus/i2c/devices/0-0051/psu_serial_number ] && [ -e /sys/bus/i2c/devices/0-0052/psu_serial_number ];then
	    #PSU 1 2 PSU present
	    byte_read 41
	    if [ $Value -eq 0 ];then
	        Value=1
	    else
	        Value=0
	    fi
	    echo $Value > /sys/bus/i2c/devices/0-0052/psu_present

	    byte_read 42
	    if [ $Value -eq 0 ];then
	        Value=1
	    else
	        Value=0
	    fi
	    echo $Value > /sys/bus/i2c/devices/0-0051/psu_present
	    #PSU 1 2 PSU power good
	    byte_read 43
	    echo $Value > /sys/bus/i2c/devices/0-0052/psu_power_good

	    byte_read 44
	    echo $Value > /sys/bus/i2c/devices/0-0051/psu_power_good
   	fi
#____________________________________________________________________________

    val=$(ipmitool raw 0x30 0x94 2>>/dev/null)
#----------------94->/58/59
	if [ -e /sys/bus/i2c/devices/0-005a/psu_mfr_id ] && [ -e /sys/bus/i2c/devices/0-0059/psu_mfr_id ];then
	    #PSU1 mfr_ID
	    string_read 1 11
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-005a/psu_mfr_id
	    fi
	    #PSU2 mfr_ID
	    string_read 12 11
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-0059/psu_mfr_id
	    fi
	    #PSU1 mfr_model
	    string_read 23 11
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-005a/psu_mfr_model
	    fi
	    #PSU2 mfr_model
	    string_read 34 11
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-0059/psu_mfr_model
	    fi
	    #PSU1 mfr_revision
	    string_read 45 2
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-005a/psu_mfr_revision
	    fi
	    #PSU2 mfr_revision
	    string_read 47 2
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-0059/psu_mfr_revision
	    fi
	    #PSU1 mfr_serial
	    string_read 49 24
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-005a/psu_mfr_serial
	    fi
	    #PSU1 mfr_serial
	    string_read 73 24
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-0059/psu_mfr_serial
	    fi
	fi
#____________________________________________________________________________
#----------------98->/50/51
    val=$(ipmitool raw 0x30 0x98 2>>/dev/null)
    if [ -e /sys/bus/i2c/devices/0-0051/psu_serial_number ] && [ -e /sys/bus/i2c/devices/0-0052/psu_serial_number ];then
	    #PSU 1 psu_model_name
	    string_read 1 10
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-0052/psu_model_name
	    fi
	    if [ "$(echo $Value |cut -c 5)" == 8 ];then #"082" for f2b "095" for b2f
	            echo 0 > /sys/bus/i2c/devices/0-0052/psu_fan_dir
	    else
	            echo 1 > /sys/bus/i2c/devices/0-0052/psu_fan_dir
	    fi
	    #PSU 2 psu_model_name
	    string_read 11 10
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-0051/psu_model_name
	    fi
	    if [ "$(echo $Value |cut -c 5)" == 8 ];then #"082" for f2b "095" for b2f
	            echo 0 > /sys/bus/i2c/devices/0-0051/psu_fan_dir
	    else
	            echo 1 > /sys/bus/i2c/devices/0-0051/psu_fan_dir
	    fi
	    if [ $(cat  /sys/bus/i2c/devices/0-0052/psu_present) -eq 1 ];then
	        fan_dir=$(cat /sys/bus/i2c/devices/0-0052/psu_fan_dir)
	    else
	        fan_dir=$(cat /sys/bus/i2c/devices/0-0051/psu_fan_dir)
	    fi
	    echo $fan_dir > /sys/bus/i2c/devices/0-0066/fan1_direction
	    echo $fan_dir > /sys/bus/i2c/devices/0-0066/fan2_direction
	    echo $fan_dir > /sys/bus/i2c/devices/0-0066/fan3_direction
	    echo $fan_dir > /sys/bus/i2c/devices/0-0066/fan4_direction
	    echo $fan_dir > /sys/bus/i2c/devices/0-0066/fan5_direction
	    echo $fan_dir > /sys/bus/i2c/devices/0-0066/fan6_direction
	    echo $fan_dir > /sys/bus/i2c/devices/0-0066/fan7_direction
	    #PSU 1 psu_serial_number
	    string_read 21 19
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-0052/psu_serial_number
	    fi
	    #PSU 2 psu_serial_number
	    string_read 40 19
	    if [ $? -eq 1 ];then
	            echo $Value > /sys/bus/i2c/devices/0-0051/psu_serial_number
	    fi
	fi


#_____________________________________________

}

#$1=dev_addr, $2=reg, $3=len

PSU_monitor()
{

    while true
    do	
    	
        get_PSU_information
        if [ $debug_flag -eq 1 ];then
           bmc_fan_speed_ctrl
        fi

        sleep 1
    done
}

PSU_monitor