In my search for a nice display with housing for my datalogger project, I came across the Autool X50 and X60 OBD2 gauge / code reader gadget (pod and gauge style respectively).

I bought them, in the hope that there might be something usable inside – a recognisable display panel or controller or something. I’m not interested in the OBD or automotive aspects of these devices, because I have already built a separate, more rugged ECU datalogger. I just wanted a display, but what I really wanted, was a display inside a gauge. I’ve only been able to get my hands on the X50 so far. The X60 gauge style version is on its way from China.

What I found inside was a GigaDevices GD32F103RBT6, 2MB flash eeprom, an LM393 for K/L line, an NXP CAN bus transceiver, and with the help of the guys on the stm32duino.com forums, the TFT panel and its controller were identified.

After some experimentation, the key components are all working with stm32duino.

There was some trouble getting the TFT LCD going. It turned out that the pin used for the TFT RST was claimed by JTAG by default, and the pin used for TFT D/C (data/command select) was claimed by USB in the maple / stm32duino base code, so workarounds were needed for these things.

Also the display controller (ST7789V), whilst working great with the ILI9341_STM library, does require MADCTL_BGR changing to MADCTL_RGB in Adafruit_ILI9341_STM::setRotation(uint8_t m)

The discussion thread is here.

and here’s a happy picture. The MCU is clocked at 128MHz here, which increases the SPI clock from the default 18MHz to the 32MHz that you can see here.

Another month, another half day wasted on Sage problems. I’ve had this problem at a few sites, mostly accountancy practices, some of which use ADM / Client Account Manager and multiple versions of Sage Accounts.

The fix was to find SDBDesktopUpdateInstaller.msi in %temp%\SageAccounts\Q3Update. Right-click -> Uninstall, and then Right-click -> Install.
You may need to install the v22 ‘May Improvements’ before this works. YMMV. I’ve had enough of Sage. I now advise my customers to move away as soon as possible. Report designer problems, updates not updating, emails not emailing, data service screwing up both file servers and end user machines by backing-up gigabytes of user profile data instead of just Sage data at 5pm every night, and now to top it off, Sage 50 Data Service isn’t even compatible with / supported on Small Business or Essentials servers. What market are they targeting exactly? Don’t forget Sage isn’t compatible with / supported on Office 365 either (a.k.a. you will be fobbed off and on your own when report designer emails break again). I look forward to the day Sage are a dead and buried legacy.

FYI last month a huge amount of time was spent on a Report Designer issue with Accounts v23. It appeared that the Data Source was locked to ‘SageLine50v13’, as the reports failed to run, citing that data source as being missing, and it was not possible to change the data source from SageLine50v13 in any reports either (the dialog box’s Save Changes button was not clickable). I told the customer that it looked like they might have restored reports from a v13 client which needed updating, or maybe to set the reports path to local rather than data files location. That didn’t work, so I advised they make use of their Sage Cover support contract, since I only charge this client £100 per month for mostly-everything IT service and support. Sage advised the client that the computer was corrupt and needed a full re-format and reinstall. Given that it was a new computer a few weeks earlier and had Sage installed from a new v24 ADM disk, I disputed this, but was nonetheless left to try to work it out. After 6 – 8 hours of pissing about, I happened upon this Sage article (updated reference here: https://communityhub.sage.com/gb/sage-50-accounts/f/general-discussion-uk/116473/reports-not-loading). I had searched for the term SageLine50v13 a week earlier and found nothing, so who knows when this article was published?

My advice to Sage users is that it’s a nightmare to support and very prone to failure. There are thankfully many alternatives available now. Xero works for me.

The two biggest mistakes Sage ever made in my opinion, apart from getting involved in ACT!, were to introduce the Sage Business Desktop / SBD central-launcher/common-platform/whatever-the-hell-it-is thing, and the SData service and its follow-ups. Neither of these things have been beneficial to the end user. Both of them have had a gigantic net-negative impact.

using putty on the terminal.

#include "RTClib.h"
DateTime now;
RTC_PCF8523 rtc;

void loop() {

  if (digitalRead(15) & millis() < 5000) { //enter setup mode if d15 pulled high within 5 sec of power on.
  Serial.print("\033[?25l"); // hide cursor
  Serial.print("\033[2J"); // clear screen & home

  while (digitalRead(15)) { // stay in setup mode while d15 kept high.
    now = rtc.now();
    Serial.print("\033[0;0H"); // cursor to line 0 col 0
    uint16_t year = now.year();
    Serial.print(year, DEC);
    Serial.print('/');
    uint8_t month = now.month();
    if (month < 10) {
      Serial.print("0");
    }
    Serial.print(month, DEC);
    Serial.print('/');
    uint8_t day = now.day();
    if (day < 10) {
      Serial.print("0");
    }
    Serial.print(day, DEC);
    Serial.print(' ');
    uint8_t hour = now.hour();
    if (hour < 10) {
      Serial.print("0");
    }
    Serial.print(hour, DEC);
    Serial.print(':');
    uint8_t minute = now.minute();
    if (minute < 10) {
      Serial.print("0");
    }
    Serial.print(minute, DEC);
    Serial.print(':');
    uint8_t second = now.second();
    if (second < 10) {
      Serial.print("0");
    }
    Serial.print(second, DEC);
    Serial.print("\n\rUse keys y, m, d, h, M, s to change\n");

    if (Serial.available()) {
        switch (Serial.read()) {
            case 'Y':
            case 'y': {
                ++year;
                if (year > 2099) {year = 2000;} 
                rtc.adjust(DateTime(year, now.month(), now.day(), now.hour(), now.minute(), now.second()));
                break;
            }
            case 'm': {
                if (month > 11) {month = 0;}
                ++month;
                rtc.adjust(DateTime(now.year(), month, now.day(), now.hour(), now.minute(), now.second()));
                break;
            }
            case 'D':
            case 'd': {
                if (day > 30) {day = 0;}
                ++day;
                rtc.adjust(DateTime(now.year(), now.month(), day, now.hour(), now.minute(), now.second()));
                break;
            }
            case 'H':
            case 'h': {
                ++hour;
                if (hour > 23) {hour = 0;}
                rtc.adjust(DateTime(now.year(), now.month(), now.day(), hour, now.minute(), now.second()));
                break;
            }
            case 'M': {
                ++minute;
                if (minute > 59) {minute = 0;}
                rtc.adjust(DateTime(now.year(), now.month(), now.day(), now.hour(), minute, now.second()));
                break;
            }
            case 'S':
            case 's': {
                ++second;
                if (second > 59) {second = 0;}
                rtc.adjust(DateTime(now.year(), now.month(), now.day(), now.hour(), now.minute(), second));
                break;
            }
        }
    }
   }
  }
}

I had a directory with ~2,500 subdirectories in it.
Viewing the folder with Windows Explorer on the LAN was a bit slow.
Viewing the folder over VPN was very very slow.

I thought this was an SMB version issue with the Server 2008 (not R2) machine, i.e. it not being very VPN friendly (VPN was my issue.. nobody notices it’s a bit slow on the LAN), and I was attempting to in-place upgrade it to 2012 as an interim to 2012 R2 (another story..)

I had tested a similar directory tree on a Server 2016 machine and it was rapido. I simply used xcopy to copy the directory structure without the contents, and used this to test.

So I was all set to upgrade the OS, get a shiny new SMB3, and …

Well the upgrade isn’t happening (component based servicing mess. This machine has had hundreds of updates on it since 2009.. nearly 9 years of updates have to be jigged about just so that Terminal Services Gateway role can be removed to allow the upgrade to Server 2012, and it’s just not happening.)

Anyway! I found out what was wrong. This is a little obscure.
About 900 folders in there had the +s attribute set! (System).

The quick clue was that ‘dir’ from a command prompt only listed about half the folders that were known to be in there.

I believe this was something I was asked to do ages ago, so that the company could make use of the ‘Comment’ field in windows explorer for folders. So I made a setComment script that tied into the explorer context menu, and read a message from you, then stored it in a Desktop.ini within the folder, and set the folder +S. It never got used because Explorer was flaky about displaying the comments.
The +S attribute makes Windows Explorer look into each folder for a Desktop.ini and process it.

So, my fix was as simple as:

for /d %a in (*) do attrib -s “%a”

(in the folder with all the subfolders).

Now it’s SUPER RAPIDO!

Not quite logging to SD in this code.. that part is in there but is not in use. Still working on KWP2000 & Zeitronix. Zeitronix bit is done and working well.

Here’s the Arduino / C++ code for capturing the Zeitronix stuff. I’m not bothering with the 3 byte start sequence in the output

#include 
#include 
#include 
#include 
#include 
#include 

const int chipSelect = 10;
int gotPacket = 0;
char packet[11];

void setup() {
    // Open serial communications and wait for port to open:
  Serial.begin(115200);
  Serial1.begin(9600);
  Serial1.setTimeout(100);
  while (!Serial) {
    ; // wait for serial port to connect. Needed for native USB port only
  }
  Serial.print("Initializing SD card...");
  // see if the card is present and can be initialized:
  if (!SD.begin(chipSelect)) {
    Serial.println("Card failed, or not present");
    // don't do anything more:
    return;
  }
  Serial.println("card initialized.");

}


void getZeitronixPacket(char* packetpointer){
gotPacket = 0;
char buffer[32] = {0xF}; // buffer 32 bytes to make sure we find the 3 byte start sequence.
  for (int i=0; i<32; i++){
    Serial1.readBytes(&buffer[i],1);
    if (i > 1 && buffer[i] == 2 && buffer[i-1] == 1 && buffer[i-2] == 0) {
          gotPacket = 1;
          Serial1.readBytes(packetpointer,11);
          return;
    }
  }
}


void exampleStuff() {
  // make a string for assembling the data to log:
  String dataString = String(millis()) += ",";

  // read three sensors and append to the string:
  for (int analogPin = 0; analogPin < 3; analogPin++) {
    int sensor = analogRead(analogPin);
    dataString += String(sensor);
    if (analogPin < 2) {
      dataString += ",";
    }
}

  // open the file. note that only one file can be open at a time,
  // so you have to close this one before opening another.
  File dataFile = SD.open("datalog.txt", FILE_WRITE);

  // if the file is available, write to it:
  if (dataFile) {
    dataFile.println(dataString);
    dataFile.close();
    // print to the serial port too:
    Serial.println(dataString);
  }
  // if the file isn't open, pop up an error:
  else {
    Serial.println("error opening datalog.txt");
  }
}

void loop() {
char dataString[80];

while (Serial1.available() > 32){ // wait til there's a nice chunk in the serial buffer
    getZeitronixPacket(packet);
    // this would be our logtosd() below:
    if (gotPacket == 1) {
      sprintf(dataString, "%lu,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u", millis(),packet[0],packet[1],packet[2],packet[3],packet[4],packet[5],packet[6],packet[7],packet[8],packet[9],packet[10]);
      Serial.println(dataString);
    }
}

// Serial.print(".");


}

It’s all in the docs, but it sure does help to write it out..
This is the first byte, the Fmt byte. Use it to know how much data there is to capture.

0 = optional length byte present, no address bytes
1 to 3f = subtract 0 to get the length, no address bytes

40 = optional length byte present, ?? address bytes unsure [exception mode (CARB)]
41 to 7f – subtract 40 to get length, ?? address bytes unsure [exception mode (CARB)]

80 = optional length byte present, address bytes present [physical addressing]
81 to bf – subtract 80 to get length, address bytes present [physical addressing]

c0 = optional length byte present, address bytes present [functional addressing]
c1 to FF = subtract c0 to get length, address bytes present [functional addressing]

Length = service id bytes (included) to checksum (not included)
Checksum = All bytes except the checksum itself, sum, mod 256.

edit: since writing the above, I have come to understand bitwise operations. Hey, I’m new to this programming stuff! I’ll re-write it soon. Rather than ‘subtract xx’, it makes more sense to deal with it as a series of bits and use bitwise & operators on it. e.g. bitwise & 0x3f for example would tell us if the two most-significant bits were set.. (0x3f being 00111111.. bitwise & 0x3f with 11xxxxx (x being anything) would return all 1s i.e. TRUE).

You’re at the logon screen. The server says “Automatic restart will occur today”. If you log on, it will either restart now, or when you’re finished, and you’ll get some support calls when it’s down!

From your favourite remote support tool, run the following command *before* logging on:

reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v NoAutoRebootWithLoggedOnUsers /t REG_DWORD /d 1 /f

If you leave the password prompt (click back to the Ctrl-Alt-Del screen), and then go back to log on, you should see that the “Automatic restart will occur today” part of the warning is gone, and you can safely log on.

in /etc/php-fpm.d/www.conf:

catch_workers_output = yes

and most importantly.. comment out the 5xx html page in nginx.conf, so you can see actual errors. Which in my case turned out to be permissions of /var/lib/php/[session, peclxml, opcache, wsdlcache]. They were still group owned by ‘apache’ instead of nginx

/etc/nginx/nginx.conf:

#display some actual useful errors please....
#        error_page 500 502 503 504 /50x.html;
#            location = /50x.html {
#        }