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Raspberry Pi throttling checker with temperature and voltage measurements. Voltage colors will be accurate for Pi3B+/Zero 2W, maybe Zero, not Pi4
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| #!/bin/bash | |
| #Flag Bits | |
| UNDERVOLTED=0x1 | |
| CAPPED=0x2 | |
| THROTTLED=0x4 | |
| SOFT_TEMPLIMIT=0x8 | |
| HAS_UNDERVOLTED=0x10000 | |
| HAS_CAPPED=0x20000 | |
| HAS_THROTTLED=0x40000 | |
| HAS_SOFT_TEMPLIMIT=0x80000 | |
| #Text Colors | |
| GREEN=`tput setaf 2` | |
| RED=`tput setaf 1` | |
| YELLOW=`tput setaf 3` | |
| EMERG1=`tput setaf 91` | |
| EMERG2=`tput setaf 127` | |
| PLAID=`tput setaf 202` | |
| BLUE=`tput setaf 27` | |
| NC=`tput sgr0` | |
| #Output Strings | |
| GOOD="${GREEN}NO${NC}" | |
| BAD="${RED}YES${NC}" | |
| #Get Status, extract hex | |
| STATUS=$(vcgencmd get_throttled) | |
| STATUS=${STATUS#*=} | |
| echo -n "Status: " | |
| (($STATUS!=0)) && echo "${RED}${STATUS}${NC}" || echo "${GREEN}${STATUS}${NC}" | |
| echo "Undervolted:" | |
| echo -n " Now: " | |
| ((($STATUS&UNDERVOLTED)!=0)) && echo "${BAD}" || echo "${GOOD}" | |
| echo -n " Run: " | |
| ((($STATUS&HAS_UNDERVOLTED)!=0)) && echo "${BAD}" || echo "${GOOD}" | |
| echo "Throttled:" | |
| echo -n " Now: " | |
| ((($STATUS&THROTTLED)!=0)) && echo "${BAD}" || echo "${GOOD}" | |
| echo -n " Run: " | |
| ((($STATUS&HAS_THROTTLED)!=0)) && echo "${BAD}" || echo "${GOOD}" | |
| echo "Frequency Capped:" | |
| echo -n " Now: " | |
| ((($STATUS&CAPPED)!=0)) && echo "${BAD}" || echo "${GOOD}" | |
| echo -n " Run: " | |
| ((($STATUS&HAS_CAPPED)!=0)) && echo "${BAD}" || echo "${GOOD}" | |
| echo "Softlimit:" | |
| echo -n " Now: " | |
| ((($STATUS&SOFT_TEMPLIMIT)!=0)) && echo "${BAD}" || echo "${GOOD}" | |
| echo -n " Run: " | |
| ((($STATUS&HAS_SOFT_TEMPLIMIT)!=0)) && echo "${BAD}" || echo "${GOOD}" | |
| #Temps | |
| tempc=$(vcgencmd measure_temp | cut -c 6-8 | cut -d '.' -f1) | |
| echo -n "Temperature: " | |
| if [[ "$tempc" -lt "60" ]]; then | |
| echo "$GREEN$tempc$NC°C" | |
| elif [[ "$tempc" -lt "70" ]]; then | |
| echo "$YELLOW$tempc$NC°C" | |
| elif [[ "$tempc" -lt "80" ]]; then | |
| echo "$RED$tempc$NC°C" | |
| else [[ "$tempc" -gt "81" ]]; | |
| if [[ "$tempc" -lt "100" ]]; then | |
| echo -e "\t$EMERG1 WARNING!$EMERG2 $tempc$RED°C$NC" | |
| fi | |
| echo -e "\t$EMERG1 Put the kettle on! You're over 100°C: $EMERG2$tempc°C to be precise." | |
| fi | |
| #Voltage | |
| volt=$(vcgencmd measure_volts | cut -c 6-11) | |
| echo -n "Voltage: " | |
| if [[ "$volt" < "1.26" ]]; then | |
| echo "$BLUE$volt$NC V ($BLUE Undervolted $NC)" | |
| elif [[ "$volt" < "1.36" ]]; then | |
| echo "$GREEN$volt$NC V" | |
| elif [[ "$volt" < "1.46" ]]; then | |
| echo "$YELLOW$volt$NC V" | |
| else [[ "$volt" > "1.7" ]]; | |
| if [[ "$volt" < "1.8" ]]; then | |
| echo -e "\t$RED WARNING!$EMERG2 $volt$REDV$NC V" | |
| fi | |
| echo -e "\t$EMERG1 Put the kettle on! You're over 1.8V: $EMERG2$volt V to be precise." | |
| fi |
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