My Duinomite Mega Canview V4 equivalent Project

CANVIEW - Only works with Toyota Prius 2004 - 2009 (2nd Generation)

I have recently started this project of making a equivalent replacement of my Canview V4 from CAN-view index using a Duinomite Mega to be used with a BMSplus. As many people already know Norm has stopped making the Canviews as there are better and cheaper alternatives like this one.

It is just a matter of connecting an OBD2 plug to the three screws terminal block (green) of the CAN port (CAN high, CAN low, Ground(signal ground - SGND). And connect 12V supply to the power jack plug (12Vpositive or 12V+ and chassi ground - CGND). The inner part of the power jack plug is positive and the outer part is ground.

It can also log data onto a miniSD card.

DUINOMITE BASIC COMPUTER

STEP BY STEP USING A COMPUTER WITH WINDOWS 7 (CANVIEW FOR DUMMIES)

The Duinomite Mega is delivered with it's own version of basic called DMbasic which we no longer use. We need to install the latest version of MMbasic with CAN by Geoff Graham. We need to dowload two zip files from this website Geoff's Projects - The Colour Maximite.

You also need to purchase a microSD card, keyboard using a PS2 plug and a miniUSB cable.



The microSD card just slides into the slot.



1. Download "Duinomite MMbasic firmware Version 4.3" (or whichever is the latest version at the time) and also download "Special version of V4.3 with CAN commands (controller area network)" from this website Geoff's Projects - The Colour Maximite. Save it to your desktop.



2. Using the WINzip program (or any other kind of ZIP program) to extract "MMBasic with CAN.ZIP" and save the file "Duinomite_MMBasic_V4.3 with CAN.hex" to your computer desktop.



3. Using the Winzip program unpack the zip file "Duinomite_MMBasic.ZIP" and save the file "BootLoader.exe" to your desktop.



4. Now run the program "BootLoader.exe". Should look like this:



5. Connect the miniUSB cable from your computer to your Duinomite Mega. The Duinomite Mega is solely powered by the miniUSB cable. As just shown below:



6. Connect miniUSB cable from your computer to your Duinomite Mega. Press the black button on the side of the Duinomite Mega (there are two black buttons, so use the one closest to the USB plug) at the same time as you plug in the miniUSB cable. You should see the green LED and amber LED flashing. This indicates that the Duinomite Mega is ready for firmware download.



You can see this Youtube video which shows you how the green LED and the amber LED flash when it is ready to accept a new firmware download:

7. Using your mouse click the button "Load Hex File". Now should look like this:



8. Using your mouse select the file "Duinomite_MMBasic_V4.3 with CAN". Select the button "Open". Should now see the following:



9. Using your mouse now press the button "Program Device". Now you should see the following:



10 . Now follow the instructions by restarting the device. This can be done by replugging the miniUSB cable.

11. Download my latest ZIP file attached to this post and UNZIP it and save them to go into the microSD card root directory i.e. My latest ZIP file is attached in the first post of this thread. Note the numbers 29032013 is the date, so use the latest date. Read the instructions in the readme.txt file.

The basic program "AUTORUN.BAS" will automatically run when the Duinomite Mega is booted or rebooted or when the Prius READY signal becomes true.

You will need to buy a microSD card, PS2 keyboard and a VGA monitor. A size 7" screen monitor is a common used size VGA monitor to install into a car. The hardest part is wiring a OBD2 plug to the Duinomite Mega.

Good luck!!

UPDATE: The same procedure shown above is used to load the latest version of mmbasic 4.4.

 

Yes, but I will be leaving out the manual part of just sending SoC which is too dangerous. I have tested the DMbasic code and the PHEV/ORIG button works. When you press the gas pedal hard the SoC goes to 99% and in ORIG mode it does not. I have a program problem in that you have to press the PHEV/ORIG button for too much time for it to toggle between PHEV and ORIG. I have asked JHD to look into it to see what he can do. My next step is to write DMbasic code to increase/decrease the end voltage. At the moment it is just set to 210v.

I periodically update my Canview DMbasic file which I upload to my first post In this thread when I can. Still waiting for delivery of my arduino 4 relay module Four 4-Channel 5V Relay Module Expansion Board For Arduino PIC AVR ARM MCU DSP | eBay, I am also waiting on a OBD2 splitter cable which will allow me to use the Canview V4 and my Duinomite Mega together 30 cm OBD2 OBD-II 16 pin Splitter Extension Cable Male to Dual Female Y Cable | eBay

 

It updates the volts and amps quickly so I doubt that if the device is slow. However if it is the DMbasic program is slow then I may have to start using interrupts to speed it up. Unfortunately Toyota did not design their CaNbus system for monitoring so the PIDs have to be requested. Many PIDs are just never seen on the CANbus unless they are requested by a device plugged into the OBD2 port.
At this time the CAN commands do not work with the eMEGA according to JHD.

"De"-nginer | Page 5 | PriusChat

The simplicity of this project enables anybody to make their own Code and customize it to the way they want to use it. Seriously any 12 y.o. Kid could write basic code for a Duinomite Mega and make it work.

JHD has just managed to patch together the CAN commands with mmBasic 3.2C so there is some light over the horrizon.

 

Just received delivery of my 4 relay module. I will be wiring it up to a DB15 female plug to make it compatible with my Canview V4. Makes it easier to swap over. Once I get my OBD2 splitter I hope that I will be able to get my Duinomite Mega to see the Canbus message sent by my clone Mongoose cable to switch on the HV battery fan to different speeds. Then I can incorporate this command into my DMbasic program. JDH has also fixed the F4 - PHEV/ORIG button bug so now it responds straight away.

 

Good news the HV battery fan command already found.

 

It is low priority on my to do list so I will do it eventually. I have just finished putting together my relay box together with cables and plugs. See photos. Still trying to get PID requests to work.
I am thinking is the command to request MG1 temperature request (07 e2 02 21 ce) meant to be sent in extended frame format? HELP anybody.

 

Yes, basic uses toolchains which is slow but it is necessary so anybody could write their own simple code.
You can write a faster program in C but fewer people have that ability. Any 12 y.o. Kid can write a basic program.

 

Our expert programmer JDH2550 is working on it. If he cannot get PID requests to work successfully then nobody can.

 

Thanks, kudos to you too, looking forward to seeing your improvements to my Canview.BAS file.

http://priuschat.com/attachments/canview_v4_bms-_27072012-zip.40325/

 

I also have a ScangaugeII. When my obd2 splitter cable arrives I will be able to see what the Scangauge puts out on the Canbus. I could fool them by connecting the two devices together without actually connecting either to the Prius canbus by placing a resistor (60ohms I think) across the bus pins and then just log what the Scangauge puts out. Either way I can log what my Scangauge puts out on the Canbus as it sends PId requests.