BTT-Octopus with STM32H723?

[thaala]

Hello all,

i have two boards here from BTT. Octopus V1.1 with H723 processor and a Kraken V1.0 with same processor.
Because Kraken has fixed TMC5160 drivers missing - it may be a problem to use it with remora. Octopus lacks currently support for H723 processor only. Pins of Octopus are same as for M466 processor variant. Could you please give a roadmap to bring remora to the H723 - Version?

Is it maybe only the timing (clocking) setup? In case of success i will contribute the source to your project.
Is there a progress by adding TMC5160 driver code?

Thank you in advance.

[cakeslob]

Fantastic, always looking for help, lets start with the H7
With the nucleo H723, i have it working up until SPI by bypassing the bootloader and SD card
Roadmap :

• Bootloader : not loading properly with the SKR3, personally i consider this lower priority
• SD card SDIO driver : not sure where this was left off but there have been more updates by jojo to the driver that we need to implement and test , can be tested without it but it will need it in the long run
• SPI DMA : biggest hurdle at the moment, because without it, theres nothing for no one . something with the SPI DMA MUX or something

spi issue is the biggest problem, and I am finding it very hard to debug the H7

[cakeslob]

RE TMC5160
user Sean has been working his way through the TMC SPI as well as working on the SKR3, I think he has the initial work done offline, but I dont know how physical testing has gone. He has also done some work on H7 but I dont know how far he has gotten
here is a link to his fork
https://github.com/seanmccully/Remora

[thaala]

Fine..
nice to be welcome with it.
Need some setup time - a week or so.... ;-)

thank you for this fast response...

BR
thilo

[thaala]

Hi,
in meanwhile i'm ready with env setup and have running some test progs with cubeMXide. Seems that spi dma is working with testprog.
Now i m trying to use mbed as work- and debug-space but i am unable to setup remora6 workspace in mbed by a selection of custom target skrv3 or octopus446.
This is a miracle to me. i need a kick in the ...
"How to": A first step to select TARGET_SKRV3 as build target?

Btw. is there a double of ROBIN_E3 in the custom_targets.json? it looks like a typo...
Could you please give little advice to set build target to SKRV3?

BR Thilo

[cakeslob]

hmm cant find my writeup, its in the issues page somewhere but ill do a quick one

1. download repo
2. open mbed studio
3. under "file" then "open workspace"
4. go to the remora repo, and select the folder for workspace "/Firmware/FirmwareSource/Remora-OS6"
5. once it opens the workspace under that folder, in the lower menu under "Libraries" select Fix all"
6. after it downloads the mbed lib, you can then select the target, and compile

[cakeslob]

The Robin e3 and the robin 3 are 2 different boards

[thaala]

Thank you - it works.
regarding e3 board - i know that but for e3 you have two different sections...

sorry not custom_targets - it was mbed_app.json

    "ROBIN_E3": {
        "platform.stdio-baud-rate": 115200,
        "target.stdio_uart_tx": "PA_9",
        "target.stdio_uart_rx": "PA_10",
        "target.features_add": ["STORAGE"],
        "target.components_add" : ["SD"]
    },
         "ROBIN_E3": {
        "target.mbed_app_start": "0x08005000",
        "platform.stdio-baud-rate": 115200,
        "target.stdio_uart_tx": "PA_9",
        "target.stdio_uart_rx": "PA_10",
        "target.features_add": ["STORAGE"],
        "sd.SPI_MOSI": "PB_15",
        "sd.SPI_MISO": "PB_14",
        "sd.SPI_CLK":  "PB_13",
        "sd.SPI_CS":   "PA_15",
        "target.components_add" : ["SD"]
    },
    "SKR_MINI_E3": {
        "target.mbed_app_start": "0x08007000",

[thaala]

Hello,

after playing around with mbed studio i am really confused about selecting custom targets. None of the custom boards appears. After correct the mbed_app.json by deleting first robin_e3 entry i have a success now.

After reopen mbed studio all custom tragets appeared..

BR
Thilo

[cakeslob]

good eye, although it doesnt seem to cause me any issues with custom targets, with or without both entries. something incorrect in custom_targets.json would describe what you are experiencing

[scottalford75]

I've dug out my old work on the SKR3 and have it working upto SPI comms. DMA appears to be working but I'm getting the request header coming back for some reason.

Currently in SMT32cubIDE but the thought is to move this into PlatformIO as Cakeslob suggested. I'd appreciate any feedback on the SPI issues...

https://github.com/scottalford75/Remora-STM32H7xx/tree/main

[thaala]

Hi Scott,

just a first hint:
hspi1.Init.DataSize = SPI_DATASIZE_4BIT;
i guess it should be 8 bits..
Is NSS really Soft instead of Hard at SKR3 HW? i havent knowledge about this HW.

BR
Thilo

[scottalford75]

Hi Thilo, main.c is excluded from compilation. Just used for MX code generation. SPI is initiated in the RemoraComms.cpp https://github.com/scottalford75/Remora-STM32H7xx/blob/57e10da7452c3fa29c68dc38867c0cfa82b1b27f/Core/Src/modules/remoraComms/RemoraComms.cpp#L64 Getting a hardfault now for some reason as well...

…

On Tue, Nov 19, 2024 at 8:10 AM thaala ***@***.***> wrote: Hi Scott, just a first hint: hspi1.Init.DataSize = SPI_DATASIZE_4BIT; i guess it should be 8 bits.. BR Thilo — Reply to this email directly, view it on GitHub <#68 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AGBMVIOVGE64NRZU44JEDAT2BJJVJAVCNFSM6AAAAABRDD5QNWVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDIOBUGEZTOMJUGI> . You are receiving this because you commented.Message ID: ***@***.***>

[thaala]

Hi Scott,

actually i have some success with my Octopus-H723 SPI.
I am using the SPI-Bridge of stlinkv3 to send cyclic data to the board and this works.

I have tried some time to put it into same reciepe as F4 - Boards but it seems H7 have integrated dma and my tries to port are unsuccessful..
Therefore i let do the Cube - code genererator what STCube wants to generate and use this generated handles.
I put the code here as attachment.

additional the windows msdev testprog for sending SPI - data over stlink bridge

BR
Thilo
ConsoleApplication1.zip
STM32-H723.ZIP

[thaala]

Hi,

regarding the debugger fault i found a mem align fault while hal procedure HAL_SPI_TransmitReceive_DMA() checks not initialzied handle of RXDMA. i solved this in that way..

---

    HAL_DMA_Init(&this->hdma_spi_rx);
    
    __HAL_LINKDMA(&this->spiHandle,hdmarx,this->hdma_spi_rx);
    __HAL_LINKDMA(&this->spiHandle, hdmatx, this->hdma_spi_tx);

---

i second thing are this updated lines in start procedure:

---

SCB_CleanDCache_by_Addr((uint32_t*)(((uint32_t)this->ptrTxData->txBuffer) & ~(uint32_t)0x1F), SPI_BUFF_SIZE+32);
SCB_InvalidateDCache_by_Addr((uint32_t*)(((uint32_t)this->spiRxBuffer.rxBuffer) & ~(uint32_t)0x1F), SPI_BUFF_SIZE+32);
HAL_SPI_TransmitReceive_DMA(&this->spiHandle, (uint8_t *)this->ptrTxData->txBuffer, (uint8_t *)this->spiRxBuffer.rxBuffer, SPI_BUFF_SIZE);

---

....related to that link from ST:

and a last thing please:
because i have only a RPI5 here i need little advice about combined send/receive of spi host communication.
Should i send out 128 Bytes to shift out the rxbuffer/txbuffer to the host or split into recieve / transmit procedures? I can use only my stlink bridge SPI to emulate a Host here....

thank you in advance!

BR
Thilo

P.S. should we use scotts alternative github Remora-STM32H7xx for further discussions?

[scottalford75]

Hi Thilo,

I'm going to follow you lead and start a project from scratch in STM32CubeIDE rather than hacking around my 2 year old project. I found some posts on line saying there was some .ioc errors in older STM32H7xx projects.

Remora component is now available for the RPI5 as well. The data packet is 64 bytes.

BR
Scott