About MRex

MRex · 2019-05-17

I have single channel ADC measurements on ADC1 and ADC2 working with an STM32H753IIK.I need to measure VBAT, Tempsensor and VREFINT, which the source code says is ONLY on ADC3.I generated the following init code:void MX_ADC3_Init(void) { ADC_Channe...

MRex · 2019-05-01

I have been working with STM32H753IIK6 (Silicon rev Y) for the last couple of months and using the CDC console in Windows 10 for debug and comms for the program. It shows up as COM8 in Windows, and Putty can connect to the serial port and open the c...

MRex · 2019-04-04

Our board is using an STM32H753 MCU with QSPI Serial Flash IS25WQ040. Quad SPI was enabled in CubeMX and I see the QSPI functions in stm32h7xx_hal_qspi.c. I'm just trying to get a Qspi_Test function called from main working that is currently gettin...

MRex · 2019-04-01

I am trying to program the STM32H753 flash on our board in DFU mode. Specifically on a raspberry pi running linux.I connect the boot0 to 1.8V while plugging in my USB-C cable and then the boot0 jumper wires are no longer connected. So if DFU mode is ...

MRex · 2019-03-07

I am porting the STSW-STUSB003 to my STM32 project that uses a different MCU than the NUCLEO-F072RB. Though it wouldn't matter, I need the functionality in our MCU for production, not an external Nucleo dev board.I can make changes in RAM, but cann...

MRex · 2019-05-01

I forgot to add, I tried on a netbook running Win10 (1803), and putty also failed to open the com port.

MRex · 2019-04-16

If I change:if (HAL_QSPI_Command(hqspi, &sCommand, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) if (HAL_QSPI_AutoPolling(hqspi, &sCommand, &sConfig, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)toif (HAL_QSPI_Command(&hqspi, &sCommand, HAL_QPSI_TIMEOUT_DE...

MRex · 2019-04-16

Ok, now i'm really confused. Connected up my Saleae logic analyzer to the flash chip and two things immediately stand out to me:I don't see the CLK toggling. I don't know how the other signals are showing negative edges at the same time without a cl...

MRex · 2019-04-16

I'm still stuck on getting QSPI flash initialization working. I don't know if this problem is a configuration issue or a process/order-of-operations issue. Any advice pointing where to look next is greatly appreciated.The problem is that the HAL_QS...

MRex · 2019-04-02

Ok, a colleague helped me out on this. The problem was the Start address. It shouldn't have been 0x0800000, it should have been 0x800ba65. Got it from the linker file.dfu-util still didn't work, but since the pydfu.py works with this change, I'm ok...

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How to measure VBAT, Tempsensor and VREFINT on STM32H753IIK?

Silicon V CDC not working in Windows but silicon Y does

QSPI_FLAG_SM timing out on QSPI flash test

Leaving DFU from command line not working

Saving to NVM on STUSB4500 using STSW-STUSB003

Re: Silicon V CDC not working in Windows but silicon Y does

Re: QSPI_FLAG_SM timing out on QSPI flash test

Re: QSPI_FLAG_SM timing out on QSPI flash test

Re: QSPI_FLAG_SM timing out on QSPI flash test

Re: Leaving DFU from command line not working