Merge pull request #3 from cgomesu/dev

changed default period to standard 25kHz

Author: cgomesu

README.md

@@ -76,7 +76,7 @@ Usage:
     -h       Show this HELP message.
     -l  int  TIME (in seconds) to LOOP thermal reads. Lower means higher resolution but uses ever more resources. Default: 10
     -m  str  Name of the DEVICE to MONITOR the temperature in the thermal sysfs interface. Default: soc
-    -p  int  The fan PERIOD (in nanoseconds). Default (30kHz): 30000000.
+    -p  int  The fan PERIOD (in nanoseconds). Default (25kHz): 25000000.
     -s  int  The MAX SIZE of the TEMPERATURE ARRAY. Interval between data points is set by -l. Default (store last 1min data): 6.
     -t  int  Lowest TEMPERATURE threshold (in Celsius). Lower temps set the fan speed to min. Default: 25
     -T  int  Highest TEMPERATURE threshold (in Celsius). Higher temps set the fan speed to max. Default: 75
@@ -85,7 +85,7 @@ Usage:
   Defaults have been tested and optimized for the following hardware:
     -  NanoPi-M4 v2
     -  M4 SATA hat
-    -  Fan 12V (.08A)
+    -  Fan 12V (.08A and .2A)
   And software:
     -  Kernel: Linux 4.4.231-rk3399
     -  OS: Armbian Buster (20.08.9) stable

pwm-fan.sh

@@ -203,7 +203,7 @@ fan_run_thermal () {
 
 fan_startup () {
 	if [[ -z $PERIOD ]]; then
-		PERIOD=30000000
+		PERIOD=25000000
 	fi
 	while [[ -d "$CHANNEL_FOLDER" ]]; do
 		if [[ $(cat $CHANNEL_FOLDER'enable') -eq 0 ]]; then
@@ -365,7 +365,7 @@ usage() {
     echo '    -h       Show this HELP message.'
     echo '    -l  int  TIME (in seconds) to LOOP thermal reads. Lower means higher resolution but uses ever more resources. Default: 10'
     echo '    -m  str  Name of the DEVICE to MONITOR the temperature in the thermal sysfs interface. Default: soc'
-    echo '    -p  int  The fan PERIOD (in nanoseconds). Default (30kHz): 30000000.'
+    echo '    -p  int  The fan PERIOD (in nanoseconds). Default (25kHz): 25000000.'
     echo '    -s  int  The MAX SIZE of the TEMPERATURE ARRAY. Interval between data points is set by -l. Default (store last 1min data): 6.'
     echo '    -t  int  Lowest TEMPERATURE threshold (in Celsius). Lower temps set the fan speed to min. Default: 25'
     echo '    -T  int  Highest TEMPERATURE threshold (in Celsius). Higher temps set the fan speed to max. Default: 75'
@@ -374,7 +374,7 @@ usage() {
     echo '  Defaults have been tested and optimized for the following hardware:'
     echo '    -  NanoPi-M4 v2'
     echo '    -  M4 SATA hat'
-    echo '    -  Fan 12V (.08A)'
+    echo '    -  Fan 12V (.08A and .2A)'
     echo '  And software:'
     echo '    -  Kernel: Linux 4.4.231-rk3399'
     echo '    -  OS: Armbian Buster (20.08.9) stable'