mirror of
https://github.com/librenms/librenms-agent.git
synced 2024-05-09 09:54:52 +00:00
584fd645d4
* C.H.I.P. power values * Added attribution * Fix ACIN current calculation * Battery current fix
88 lines
2.5 KiB
Bash
88 lines
2.5 KiB
Bash
#!/bin/bash
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# Based on https://github.com/Photonicsguy/CHIP
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# Enable ADC registers
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i2cset -y -f 0 0x34 0x82 0xff
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## REGISTER 00 ##
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REG=$(i2cget -y -f 0 0x34 0x00)
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STATUS_ACIN=$(($(($REG&0x80))/128))
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STATUS_VBUS=$(($(($REG&0x20))/32))
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STATUS_CHG_DIR=$(($(($REG&0x04))/4))
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REG=$(i2cget -y -f 0 0x34 0x01)
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STATUS_CHARGING=$(($(($REG&0x40))/64))
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STATUS_BATCON=$(($(($REG&0x20))/32))
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BAT_C=0
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BAT_D=0
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if [ $STATUS_ACIN == 1 ]; then
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# ACIN voltage
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REG=`i2cget -y -f 0 0x34 0x56 w|awk '{print "0x"substr($0,5,2)substr($0,4,1)}'`
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REG=`printf "%d" "$REG"`
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ACIN=`echo "$REG*0.0017"|bc`
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# ACIN Current
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REG=`i2cget -y -f 0 0x34 0x58 w|awk '{print "0x"substr($0,5,2)substr($0,4,1)}'`
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REG=`printf "%d" "$REG"`
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ACIN_C=`echo "$REG*0.000625"|bc`
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else
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ACIN=0
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ACIN_C=0
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fi
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if [ $STATUS_VBUS == 1 ]; then
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# VBUS voltage
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REG=`i2cget -y -f 0 0x34 0x5A w|awk '{print "0x"substr($0,5,2)substr($0,4,1)}'`
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REG=`printf "%d" "$REG"`
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VBUS=`echo "$REG*0.0017"|bc`
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# VBUS Current
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REG=`i2cget -y -f 0 0x34 0x5C w|awk '{print "0x"substr($0,5,2)substr($0,4,1)}'`
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REG=`printf "%d" "$REG"`
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VBUS_C=`echo "$REG*0.000375"|bc`
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else
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VBUS=0
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VBUS_C=0
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fi
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if [ $STATUS_BATCON == 1 ]; then
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# Battery Voltage
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REG=`i2cget -y -f 0 0x34 0x78 w|awk '{print "0x"substr($0,5,2)substr($0,4,1)}'`
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REG=`printf "%d" "$REG"`
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VBAT=`echo "$REG*0.0011"|bc`
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if [ $STATUS_CHG_DIR == 1 ]; then
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# Battery Charging Current
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REG=`i2cget -y -f 0 0x34 0x7A w|awk '{print "0x"substr($0,5,2)substr($0,4,1)}'`
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REG_C=`printf "%d" "$REG"`
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BAT_C=`echo "scale=2;$REG_C*0.001"|bc`
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else
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# Battery Discharge Current
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REG=`i2cget -y -f 0 0x34 0x7C w|awk '{print "0x"substr($0,5,2)substr($0,4,1)}'`
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REG_D=`printf "%d" "$REG"`
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BAT_D=`echo "scale=2;$REG_D*0.001"|bc`
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fi
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# Battery %
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REG=`i2cget -y -f 0 0x34 0xB9`
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BAT_PERCENT=`printf "%d" "$REG"`
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else
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VBAT=0
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BATT_CUR=0
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BAT_PERCENT=0
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fi
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# Temperature
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REG=`i2cget -y -f 0 0x34 0x5E w|awk '{print "0x"substr($0,5,2)substr($0,4,1)}'`
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REG=`printf "%d" "$REG"`
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THERM=`echo "($REG*0.1)-144.7"|bc`
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echo $THERM
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echo $ACIN
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echo $ACIN_C
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echo $VBUS
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echo $VBUS_C
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echo $VBAT
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echo $(echo "$BAT_C-$BAT_D"|bc)
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echo $BAT_PERCENT
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echo $STATUS_CHARGING
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