New SwissMicros Firmware Soon?

[toml_12953]

The latest versions of firmware are all v19. On the Website, though, there's this statement:

"Please note: once a firmware version v21 and above is installed the process of flashing the CPU is slightly different."

Could this mean v21 isn't far away? One can only hope!

Tom L

[tuukka]

V21 is now available at the download page, but firmware history document is not yet updated so I can't tell what's new.

Seems to work in DM15L and DM41L.

[Massimo Gnerucci]

(03-04-2016 05:19 PM)tuukka Wrote:  V21 is now available at the download page, but firmware history document is not yet updated so I can't tell what's new.

Thank you for the heads-up!

[Harald]

I have already update to v21, but for now it seems there is no way back. A new flash tool is required which is not available yet.

[tuukka]

Tried to revert back to V19 on DM15L - no problems. I am using the Linux lpc21isp flashing tool.

[tuukka]

The revision history is now updated:

V21: 03.03.2016
DM1X fixed PSE
DMXX add setting via console to increase the time-out of the serial console mode
DMXX Fixed julian date calculation ([ON]+[STO/RCL] +/- one hour just around midnight causing day transition)
DM1X for all boards with RTC: add [ON]+[A] displaying the time with 1s increments by RTC and sleep in the mean time
DMXX Add timeout to clock mode [ON]+[A] to 5min
DM41 adjusted key mapping for LCD contrast settings to the same as the other models

Thanks for these fixes - it is nice to have this kind of customer support!

[Dave Britten]

Don't know if this was just a fluke or not, but I just had a hard freeze on my 41 attempting to BST through a program. It was stuck with the SHIFT annunciator on, and I had to hit the reset button, wiping memory. Fortunately the backup and restore functionality works as well as it does, so no major losses.

[Sylvain Cote]

I have received my DM16L this week.

Here are the free tools you will need if you want to use OSX with your DMXXL.

Install/update the following software ...
* download and install CP210x USB to UART Bridge VCP Drivers (http://www.silabs.com/products/mcu/Pages...ivers.aspx)
* download and install MacPort (http://www.macports.org)
* open the Terminal application
* sudo port selfupdate
* sudo port upgrade outdated
* sudo port install lpc21isp
* close the Terminal application

Console session with the device
* open the Terminal application
* connect the DM unit
* put the unit in terminal mode: [c]+[on]
* start a console session: screen /dev/tty.SLAB_USBtoUART 38400,8,n,1
* the DM unit menu is now active (press ? for help)
* put the unit in normal mode: [enter] (or any other key)
* end the console session: press [CONTROL]+[a] then [k] then [y]
* disconnect the DM unit
* close the Terminal application

Firmware Upload
* open the Terminal application
* connect the DM unit
* sudo lpc21isp -control -controlinv -hex DM16_21.hex /dev/tty.SLAB_USBtoUART 115200 12000
* push the reset button on the back of the calculator
* when the upgrade is finished
* disconnect the DM unit
* push the reset button on the back of the calculator
* close the Terminal application

Sylvain

Edit: firmware upload updated and is now working

[rprosperi]

(03-06-2016 08:41 PM)Sylvain Cote Wrote:  I have received my DM16L this week.

I am still ironing out issues with firmware update on OSX with SwissMicros but here are the free tools you will need if you want to use OSX with your DMXXL.

Install/update the following software ...
* download and install CP210x USB to UART Bridge VCP Drivers (http://www.silabs.com/products/mcu/Pages...ivers.aspx)
* download and install MacPort (http://www.macports.org)
* open the Terminal application
* sudo port selfupdate
* sudo port upgrade outdated
* sudo port install lpc21isp
* close the Terminal application

Console session with the device
* open the Terminal application
* connect the DM unit
* put the unit in terminal mode: [c]+[on]
* start a console session: screen /dev/tty.SLAB_USBtoUART 38400,8,n,1
* the DM unit menu is now active (press ? for help)
* put the unit in normal mode: [enter] (or any other key)
* end the console session: press [CONTROL]+[a] then [k] then [y]
* disconnect the DM unit
* close the Terminal application

Upload a firmware (currently not working)
* open the Terminal application
* connect the DM unit
* sudo lpc21isp DM16_21.hex /dev/tty.SLAB_USBtoUART 115200 12000
* disconnect the DM unit
* close the Terminal application

Sylvain

It sure is a good thing Macs are less complicated to use than PCs. Just imagine if they were harder.

[Sylvain Cote]

(03-06-2016 09:36 PM)rprosperi Wrote:  It sure is a good thing Macs are less complicated to use than PCs. Just imagine if they were harder.

Remember that the Mac has two personality, the UI side which is for the all users and the BSD/Unix side for the technical users.
Here, I am just importing the GNU tools into the BSD layer of the Mac through MacPort and using the LPC flashing tool (lpc21isp) to program the MCU.

I am currently reading the source code of the lpc21isp tool and the user manual of the Cortex M0 (LPC 1115) to better understand what is going on.
At this point it seems that the VCP drivers for the Mac is not handling correctly one of the hardware flow control line who is probably mapped to the PIO0_1 GPIO line of the MCU.
This has the effect of not putting the MCU in ISP mode and then not being able to flash it.

In the meantime, I was able to use the Windows tools in a VM to do the flashing, but I prefer to use OSX to do it.

Sylvain

[rprosperi]

(03-06-2016 10:28 PM)Sylvain Cote Wrote:  

(03-06-2016 09:36 PM)rprosperi Wrote:  It sure is a good thing Macs are less complicated to use than PCs. Just imagine if they were harder.

Remember that the Mac has two personality, the UI side which is for the all users and the BSD/Unix side for the technical users.
Here, I am just importing the GNU tools into the BSD layer of the Mac through MacPort and using the LPC flashing tool (lpc21isp) to program the MCU.

I am currently reading the source code of the lpc21isp tool and the user manual of the Cortex M0 (LPC 1115) to better understand what is going on.
At this point it seems that the VCP drivers for the Mac is not handling correctly one of the hardware flow control line who is probably mapped to the PIO0_1 GPIO line of the MCU.
This has the effect of not putting the MCU in ISP mode and then not being able to flash it.

In the meantime, I was able to use the Windows tools in a VM to do the flashing, but I prefer to use OSX to do it.

Sylvain

Sounds extremely technical. Do you know any embedded systems programmers? Oh, wait.... umm... you're all good. Nice of you to document it so thoroughly. If I had to do this on a Mac, I'd like instructions just like these. Meanwhile, though it was quite easy to do on Windows, something went wrong and the flash programing was apparently not properly completed (bad file?) and I have an error. Waiting for a reply from SM, which usually arrives incredibly fast.

[Sylvain Cote]

As expected the issue was with the VCP driver for OSX.
The DTR line operation is inverted, so the trick was to invert that line with the -controlinv option.
The final command for OSX is: sudo lpc21isp -control -controlinv -hex DM16_21.hex /dev/tty.SLAB_USBtoUART 115200 12000
I have updated the above procedure.
Sylvain

[rprosperi]

I just knew you would figure it out quickly.

As expected, SM replied very promptly (even on a Sunday) and the problem with my DM15L is corrected. Basically an over worrisome mom (me), but good to know it's resolved.

[toml_12953]

(03-04-2016 05:19 PM)tuukka Wrote:  V21 is now available at the download page, but firmware history document is not yet updated so I can't tell what's new.

Seems to work in DM15L and DM41L.

The version listed for the 41L is still 19. Is it safe to use version 21 for the 15L on the 41L?

Tom L

[Dave Britten]

(03-08-2016 03:40 PM)toml_12953 Wrote:  

(03-04-2016 05:19 PM)tuukka Wrote:  V21 is now available at the download page, but firmware history document is not yet updated so I can't tell what's new.

Seems to work in DM15L and DM41L.

The version listed for the 41L is still 19. Is it safe to use version 21 for the 15L on the 41L?

Tom L

Click the "see all files" link, and you'll find v21 for the 41 among the listing. I don't know if there's any significance to the fact that it isn't shown on the main firmware page. (Not quite ready for production use yet?)

EDIT: Looks like v21 is listed on the main download page now.

[Howard Owen]

(03-08-2016 04:45 PM)Dave Britten Wrote:  EDIT: Looks like v21 is listed on the main download page now.

Yes it is, but the link is broken.

Code:

https://www.swissmicros.com/firmware/DM41_V21.hex

should be https://www.swissmicros.com/firmware/DM41_21.hex.