> If you don't use the cryptographic hash hardware in h753zi, you can use the firmware developed for h743 in h753, as both chips are pin to pin same.
This is basically what I'm doing at the moment, there’s some change that I have done for the peripheral. But it worked almost out of the box. Ludovic Vanasse ludovicvana...@gmail.com On Wed, Aug 13, 2025 at 12:19 AM karukkuvel Raj Deivasundaram < karukkuvelraj.deivasunda...@killisbird.com> wrote: > Hi, > > Maybe little out of topic to this thread: > > If you don't use the cryptographic hash hardware in h753zi, you can use > the firmware developed for h743 in h753, as both chips are pin to pin same. > > Thanks and Regards > Karukkuvel Raj D > Flight Controls Engineer > > ------------------------------ > *From:* vinicius may <hw.vinicius...@gmail.com> > *Sent:* Wednesday, August 13, 2025 2:22 AM > *To:* dev@nuttx.apache.org <dev@nuttx.apache.org> > *Subject:* Re: Port of Nucleo-H7543ZI - Issue with UART6 > > Im also doing the port for this st kit. Let me check on my side as well > what is happening:) > > On Tue, Aug 12, 2025, 10:44 PM Tomek CEDRO <to...@cedro.info> wrote: > > > Working long hours eh? Have fun!! =) > > Tomek > > > > > > On Tue, Aug 12, 2025 at 10:23 PM Ludovic Vanasse > > <lvana...@luxaerobot.com> wrote: > > > > > > Well, it's a bit embarrassing, but I found the issue. I'm sorry for not > > having thought of that before. > > > > > > The issue was that the `echo` command I was doing were enough > > information for my logic analyzer to pick up. If I tried the > > `serialblaster` I was able to see data on the line. I've confirmed it > > worked with the `echo` command, just that I needed a longer string. I was > > not expecting this to be an issue. > > > > > > Sorry again everybody for the disturbance, and thank you for your > > understanding. > > > > > > Ludovic Vanasse > > > > > > Embedded Software Developper > > > > > > 1 514 475-0447 > > > > > > > > > > > > On Tue, Aug 12, 2025 at 2:33 PM Ludovic Vanasse < > lvana...@luxaerobot.com> > > wrote: > > >> > > >> Hi everybody, > > >> > > >> I'm working on porting NuttX to the Nucelo-H753ZI and basing it on the > > Nucelo-H743ZI. It's going pretty well. > > >> > > >> But now I feel like I've hit a wall, and I am coming here to see if > > anybody has an idea as to what might be the issue. > > >> > > >> I'm planning to use NuttX for High Altitude balloons, and I'm > preparing > > the groundwork for the rest of my team to then split the work between us. > > Which involve interacting with SATCOM modules, GPS, radios, etc. > > >> > > >> And I'm trying to do something very basic, but I'm having issues. I > > want to be able to validate that the UART6 is working well, so I can > > validate that the porting is working for this peripheral. And I'm trying > to > > simply send some data down the line with nsh. With this command: > > >> > > >> ``` > > >> nsh> echo "test" > /dev/ttyS1 > > >> ``` > > >> > > >> But I'm not seeing anything on my Saleae logic analyzer. > > >> > > >> Here's the configuration I'm using for the UART on the Nucleo-H753ZI: > > >> > > >> ``` > > >> CONFIG_STM32H7_USART3=y > > >> CONFIG_STM32H7_USART6=y > > >> > > >> CONFIG_ARCH_HAVE_SERIAL_TERMIOS=y > > >> CONFIG_SERIAL=y > > >> CONFIG_SERIAL_CONSOLE=y > > >> CONFIG_MCU_SERIAL=y > > >> CONFIG_STANDARD_SERIAL=y > > >> CONFIG_SERIAL_NPOLLWAITERS=4 > > >> CONFIG_USART3_SERIAL_CONSOLE=y > > >> CONFIG_USART3_SERIALDRIVER=y > > >> CONFIG_USART6_SERIALDRIVER=y > > >> > > >> CONFIG_USART6_RXBUFSIZE=252 > > >> CONFIG_USART6_TXBUFSIZE=252 > > >> CONFIG_USART6_BAUD=115200 > > >> CONFIG_USART6_BITS=8 > > >> CONFIG_USART6_PARITY=0 > > >> CONFIG_USART6_2STOP=0 > > >> ``` > > >> > > >> In my board.h I have this configured for the UART6: > > >> > > >> ``` > > >> /* USART6*/ > > >> #define GPIO_USART6_TX (GPIO_USART6_TX_1 | GPIO_SPEED_100MHz) /* PC6 > > AF7 */ > > >> #define GPIO_USART6_RX (GPIO_USART6_RX_1 | GPIO_SPEED_100MHz) /* PC7 > > AF7 */ > > >> ``` > > >> Which is based on this config: > > https://os.mbed.com/platforms/ST-Nucleo-H743ZI/, I've also confirmed > this > > in ST user manual and datasheets. And it's similar to the initialization > of > > that UART in the linum-stm32h753zi: > > > https://github.com/apache/nuttx/blob/master/boards/arm/stm32h7/linum-stm32h753bi/include/board.h#L379 > > >> > > >> And of course I've configured my Saleae logic analyzer to use 115200 > > baudrate, 8bit, no parity bit. > > >> > > >> > > >> > > >> > > >> And here's the NSH where I try to send data down the UART6: > > >> > > >> But nothing happens on my Saleae. > > >> > > >> I'm at the point of going through GDB and checking if there's indeed > > data being written down the register, but I thought I'd ask the community > > for guidance in resolving this issue in parallel. > > >> > > >> Thanks in advance! > > >> > > >> Best regards, > > >> > > >> Ludovic Vanasse > > >> > > >> Embedded Software Developper > > >> > > >> 1 514 475-0447 > > > > > > > > -- > > CeDeROM, SQ7MHZ, http://www.tomek.cedro.info > > >
