About Slan

Slan · 2020-04-08

Hello,I am trying to develop a FreeRTOS application which need to detect/read/write an NFC tag.I managed to make the NFC part work (based on ST's example code), but after changing my task stack size, a usage fault occurs (FORCED, INVSTATE).After a fe...

Slan · 2018-12-03

Hello,I'm working on a custom board, using STM32L072 (Murata LoRa module), and it does not seem to boot when powered up, unless I trigger a manual reset.The board is powerd via USB (with a 3.3V LDO), and the supply reach 3.3V within 370µs.The reset i...

Slan · 2018-11-20

Hi,I am working on a custom device, based on Murata CMWX1ZZABZ, running both Sigfox and LoRa.Regarding Sigfox, I would like to use my own Sigfox Credentials, acquired direclty from Sigfox (not from Murata). However, the only documented process I can...

Slan · 2018-10-19

Hello,I am trying to restart a STM32L072 into DFU bootloader mode (using STM32 LoRa Discovery kit) .The bootloader is working and I can use it to flash my firmware using a jumper between BOOT0 and VCC.Now I would like to enter bootloader from source....

Slan · 2020-04-10

Thanks again for your help Brian.Just wanted to add, if someone has a similar issue, the buffer was the one used by ndef functions, and was declared as a local variable inside a function.The library add a reference to this buffer to ndefContext. In ...

Slan · 2020-04-08

I also noticed platformProtectWorker and platformUnprotectWorker macros in plateform.h, provided to "Protect RFAL Worker/Task/Process from concurrent execution on multi thread platforms". Even if I'm using an RTOS I didn't set those macros, but as I ...

Slan · 2020-04-08

Thanks for your reply, I sent you the file in private.There should be 3 text records in this NDEF (but this is a read attempt, I'm not sure the tag has been read yet when the fault occurs.Good to know for the stack, I never used the static stack anal...

Slan · 2019-01-17

I made a copy of both files (and the associated header) to a source folder.I currently use unencrypted ID ( CREDENTIAL_KEY not defined), so the CREDENTIALS_get_cra function just copy Sigfox data without trying to decrypt.

Slan · 2018-12-04

I finally manage to find the issue.I use USB CDC to communicate with the host. To ensure CDC is ready before writing any data, I did this :void USB_puts(const char * str){ USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef*) hUsbDeviceFS.pClas...

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Hard fault (usage fault, invalid state), using X-CUBE-NFC03 and FreeRTOS, with STM32L4. Seems dependent on code/data size. Any idea where I should investigate ?

STM32L0 does not run when powered on, unless if I perform a manual reset

How to flash custom Sigfox credentials

USB DFU bootloader : start from source.

Re: Hard fault (usage fault, invalid state), using X-CUBE-NFC03 and FreeRTOS, with STM32L4. Seems dependent on code/data size. Any idea where I should investigate ?

Re: Hard fault (usage fault, invalid state), using X-CUBE-NFC03 and FreeRTOS, with STM32L4. Seems dependent on code/data size. Any idea where I should investigate ?

Re: Hard fault (usage fault, invalid state), using X-CUBE-NFC03 and FreeRTOS, with STM32L4. Seems dependent on code/data size. Any idea where I should investigate ?

Re: How to flash custom Sigfox credentials

Re: STM32L0 does not run when powered on, unless if I perform a manual reset