johanvdw

Arduino solutions will be the only more efficent way going forward. I mean, reading RS232 to SD card is super simple. 
 
Untested code below, it would watch Serial and SoftSerial for incoming data, write it to a file on sd card (in 100 char chunks or on every newline, syncing sd card after every chunk). 
Should be simple enough to adjust for some power down mechanism (and maybe add a button to manually sync data before removing sd card)...
 
#include <SoftwareSerial.h> #include <SD.h> char buffer[100]; int buffer_pos = 0; uint8_t sdavail; #define CurrentBaudrate 115200 SoftwareSerial softSerial = SoftwareSerial(5, 4, false); void setup() { sdavail = SD.begin(SDC_CS); setupScreen(); Serial.begin(CurrentBaudrate); softSerial.begin(CurrentBaudrate); softSerial.listen(); } uint32_t lastTouched = millis(); char msg; void loop() { while (Serial.available() || softSerial.available()) { msg = Serial.available() ? (char)Serial.read() : (char)softSerial.read(); buffer[buffer_pos++] = msg; if (buffer_pos >= sizeof(buffer)) break; } if (msg == '\n' || buffer_pos >= sizeof(buffer)) { writeBuffer(); } } void writeBuffer() { if (sdavail) { File dataFile = SD.open("datalog.txt", FILE_WRITE); if (dataFile) { dataFile.write(buffer, buffer_pos); dataFile.close(); } } buffer_pos = 0; }  

A final note in case someone else bumps on something similar: stability problems persisted, so we returned the computer and the shop switched both CPU and motherboard. We have been running without issues since that.

Hello.
Is that possible to check if PCIe-to-SATA native controller (like the one based on ASM1061 chip) works?
Does it work out-of-the-box or it requires driver rework? Is the rework even possible? Who could do it?
I'm aware of a broken PCIe implementation.
I think that such device in companion with SSD could be a perfect solution for Quad-Core A53 providing both performance and storage capacity.

If you read my previous posts, it require to recompile the kernel with DWMAC-SUN8I as module.
Since I've done it and tested succesffuly, I've just committed the change in Armbian, so simply redo a new build ...