STM32L476RG Nucleo: Failed to load flash loader IAR 7.3 EWARM 7.5

[e_wakefield]

Posted on February 29, 2016 at 17:39

Running the most up to date EWARM on IAR. I receive the following problem in my Debug Log:

Mon Feb 29, 2016 10:17:59: Loaded macro file: C:\Program Files (x86)\IAR Systems\Embedded Workbench 7.3\arm\config\debugger\ST\STM32L4xx.dmac Mon Feb 29, 2016 10:17:59: Loaded macro file: C:\Program Files (x86)\IAR Systems\Embedded Workbench 7.3\arm\config\flashloader\ST\FlashSTM32L4xxx.mac Mon Feb 29, 2016 10:17:59: Connected to ST-Link/V2-1 [SWD mode 1800 kHz] Firmware V2.J23.S6 (Probe no: 74622707) Mon Feb 29, 2016 10:17:59: Software reset was performed Mon Feb 29, 2016 10:17:59: Initial reset was performed Mon Feb 29, 2016 10:17:59: C:\Program Files (x86)\IAR Systems\Embedded Workbench 7.3\arm\config\flashloader\ST\FlashSTM32L4xxx.mac(13,33): Error: Operation error.  Mon Feb 29, 2016 10:17:59: Error while calling macro execUserFlashInit Mon Feb 29, 2016 10:17:59: Unloaded macro file: C:\Program Files (x86)\IAR Systems\Embedded Workbench 7.3\arm\config\flashloader\ST\FlashSTM32L4xxx.mac Mon Feb 29, 2016 10:17:59: Failed to load flash loader: C:\Program Files (x86)\IAR Systems\Embedded Workbench 7.3\arm\config\flashloader\ST\FlashSTM32L4xxxG.flash I made sure to check to make sure my ST Link utilities were up to date and have selected SBW in my project options under ST link. I also made sure my device firmware was upd to date and can talk to the board. Using IAR 7.3.4, EWARM 7.50.3Please help!

[Tesla DeLorean]

Posted on February 29, 2016 at 18:19

Devices going into Low Power Modes tend to disconnect.

Check that you have enabled any ''Connect under reset'' options, and trying to connect or erase with the BOOT[0] pin pulled high.

[e_wakefield]

Posted on February 29, 2016 at 22:07

clive1,

Thanks for the quick reply. So I used the STM32 ST-Link Utility to access the device and erase it and program it with my .bin from my project, however I really need access from IAR to set breakpoints to run a few tests. My settings are as followed in IAR:Debugger:Setup ST-LinkDownload: Use flash loaders checked, no override default board fileSTLink SWD with 5kHz speedconnect during reset enabledI tried to do this set up with both the BOOT0 pin high and it low and they both do not work. To fact check, BOOT0 is pin 7 on the Morpho connector CN7 correct?Any other suggestions? I feel as if I'm missing something basic and just am overlooking something. Weird that I can use the ST-Utility and yet still not connect through IAR..Thanks!

[Tesla DeLorean]

Posted on March 01, 2016 at 00:28

I'm not an IAR user, but the thing I'd probably double check is that they are using the current DLLs, you should be able to pull these from the driver or utilities directories.

C:\Program Files (x86)\IAR Systems\Embedded Workbench 7.2\arm\drivers\ST-Link\STLinkUSBDriver.dll C:\Program Files (x86)\IAR Systems\Embedded Workbench 7.2\arm\bin\STLinkUSBDriver.dll