Differences

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--- en:bpi-r4:start [2024/04/16 08:07] – [openwrt] frank
+++ en:bpi-r4:start [2024/04/21 12:48] – [thermal] frank
@@ Line 35: / Line 35: @@
 Uses lvts driver
-Thermalpad size: https://forum.banana-pi.org/t/banana-pi-bpi-r4-heatsink-and-case-design/16638/53?u=frank-w
+Thermalpad size: https://forum.banana-pi.org/t/banana-pi-bpi-r4-heatsink-and-case-design/16638/53
+==== testing fan ====
+by default first trip point is set to 40°C and second is 85°C...for testing the fan it is a bit high when using a passive heatsink. so just set first to 35 and second to 45.
+<code>
+root@bpi-r4-v11:/sys/class/thermal/thermal_zone0
+# cat trip_point_4_temp
+root@bpi-r4-v11:/sys/class/thermal/thermal_zone0
+# cat trip_point_3_temp
+root@bpi-r4-v11:/sys/class/thermal/thermal_zone0
+# echo 45000 > trip_point_3_temp
+root@bpi-r4-v11:/sys/class/thermal/thermal_zone0
+# echo 35000 > trip_point_4_temp
+root@bpi-r4-v11:/sys/class/thermal/thermal_zone0
+</code>
 ===== Network =====