Dear Blue Robotics Team,
This is kind of urgent because I am currently doing fieldwork in Curacao and fail to get my BR fully operational.
I still struggle with the above mentioned overheating problem, although I installed the new BEC 5V 6A Power Supply (UBEC 5V Power Supply for Pixhawk and Raspberry Pi).
If I keep the Ping 1D connected, the Companion CPU load increased within a few minutes after booting to more than 100% and the BR is no longer maneuverable (more than 30 secs delay on the companion side in receiving commands from topside). Terminal messages seem to indicate (http://192.168.2.2:8080) that the boot process doesn´t conclude (bcm2835-v412: error 0 waiting for frame completion; see oldBEC_withPing.pdf attached). The Ping itself, gives reasonable readings. Even with the new BEC, the system shows the same behavior (newBEC_withPing.pdf).
(Dis-)connecting the Waterlinked GPS doesn’t have any effect.
If I disconnect the USB cable from the Ping 1D BLUART USB to TTL Serial and RS485 Adapter, the system works well, and CPU load is around 50%. The booting sequence ends with “random: cnrg init done” (attached: message_end_noping.png, attached).
I tried to update the Ping 1D firmware using the new PingViewer version 2.2 but run into new problems. The automated update returns: “It’s only possible to flash via serial.” And the Ping communication / update procedure freezes (Ping_firmware_update_auto1/2.png). The manual update doesn’t work either. So I cannot update the Ping.
As I am currently supposed to map coral in Curacao and already lost one week of two trying to get the BR2 operational, I am running out of options. I really do need the altimeter. Any thoughts how to make it work?
I got the following hardware:
BR2 (rev 1, I suppose, bought in 2016)
Ping1D Echosounder Altimeter (bought in 2019) with Firmware v3.26
New BEC 5V 6A Power Supply
WaterLinked UnderWater GPS G2
Companion Computer Firmware v0.0.26 with heat sink and small fan (disconnecting the fan, doesn’t solve the problem, either).
Any help or advice is highly appreciated.
newBEC_withPing.pdf (3.3 MB)
oldBEC_withPing.pdf (2.7 MB)