About Ihawk.1

Ihawk.1 · 2022-02-12

In :/stm32h745nucleoTest_CM7/Drivers/STM32H7xx_HAL_Driver/stm32h7xx_hal_dma.cwe find: if(IS_DMA_STREAM_INSTANCE(hdma->Instance) != 0U) /* DMA1 or DMA2 instance */ { /* Clear all interrupt flags at correct offset within the register */ regs_dma->IFC...

Ihawk.1 · 2022-02-12

In the flash.ld file:/* Memories definition */MEMORY{... ITCMRAM (xrw) : ORIGIN = 0x00000000, LENGTH = 64K}SECTIONS{....... .itcm : { . = ALIGN(4); *(.itcmram) /* .section_name section */ . = ALIGN(4); } >ITCM_RAM AT> FLASHthe function:int __a...

Ihawk.1 · 2021-10-29

LWIP is hogging memory where it didnt oughta be. ...\ld.exe: section .SRAM2 VMA [0000000030020000,0000000030031033] overlaps section .lwip_sec VMA [0000000030000000,00000000300419cf]but in the .ld file is allocated thus/* ethernet Modification star...

Ihawk.1 · 2021-10-05

How can I display double or longlong variables (as human readable floating point or integer values) in the cube ide debugger please?.

Ihawk.1 · 2022-02-14

Thanks JW, that might explain the apparent flakey operation of this code, I wonder if I would get enough delay by just reordering it to put a gap between the stream disable and the subsequent writes to DMA registers, a poling loop here would be ugly....

Ihawk.1 · 2022-02-13

Hi Pavel, thanks, OK the bit fields are 6 wide, I hadnt noticed..(customer)Yes, it could be that the register sequence is in the wrong order, or the wrong register values, or missing register values, or a combination or permutation of these. I have ...

Ihawk.1 · 2022-02-13

Thanks Tesla, I think I've got it now.To make a particular function in a .c file run in ITCM write:int __attribute__((section(".itcmram"),optimize("O0")))NullJump(int j) (optimisation disabled for debugging)otherwise, to put all of the functions from...

Ihawk.1 · 2022-02-13

Thanks Pavel, I found this :https://community.st.com/s/question/0D50X0000BJ25scSQB/how-to-place-some-part-of-code-in-itcm-and-dtcm-in-stm32h745-which sort of answers my question, one has to copy the code to its destination using a modified startup *....

Ihawk.1 · 2021-11-22

FWIW I found that loading the stmcubeprogrammer program , going to option bytes and unchecking the 'read protection option byte' cured the "Erasing internal memory sectors [0 39] Error: failed to erase memory" issue on my stm32f103c8t6 blue pill; pre...

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Possible HAL spi bug?, also question on fast spi dma transfer initiation.

stm32h745 calls to itcm code crash when called from freertos task.

Stm32h745, freertos&LWIP is hogging SRAM1 memory.

display double / longlong in cube IDE debugger?

Re: Possible HAL spi bug?, also question on fast spi dma transfer initiation.

Re: Possible HAL spi bug?, also question on fast spi dma transfer initiation.

Re: stm32h745 calls to itcm code crash when called from freertos task.

Re: stm32h745 calls to itcm code crash when called from freertos task.

Re: Why failed to erase memory