STM32 MPUs Products

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DMA possible application use cases

Hi, Can anyone give me possible application use cases that Direct Memory Access (DMA) is needed or has advantages to use for stm32mp157c?Or any document that explains possible application use cases ?tnx

IYetk by Associate III
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Resolved! No memory for tty_prepare_flip_string

Hello, I'm using the OpenAMP_TTY_echo example with some modification.if (VirtUart0RxMsg) { VirtUart0RxMsg = RESET;   while (data < 65535) { itoa(data, buf, 10); if(VIRT_UART_Transmit(&huart0, (uint8_t *)buf, 10) != VIRT_UART_OK)...

lenonrt by Associate III
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DDR3L, bit swap inside bytes. How to configure it ?

i read the following information in the doc AN5122 : Standard fly-by topologyA standard fly-by topology is comprised of:• A distributed A/C bus with 56 Ω on-board termination at VTT (VDD_DDR/2)• A differential clock, distributed to all of the DDR dev...

Resolved! Why is uart0 blocking uart1 ?

Hello,I am running example "OpenAMP_TTY_echo" on the board "stm32mp157c-dk2"I have modified the code a little bit so that channel0 (uart0) doesn't have to wait for a massage from linux side and transmit message every half second. It is sending the me...

IYetk by Associate III
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How to upload Cortex-M4 FW without IDE?

I'm working with Development Kit and want to upload my Cortex-M4 image but I do not want to use IDE. I assume there should be a Linux program that can stop M4, write image into SRAM and restart M4. Where can I find a details on how to do it?Thanks.

dimax by Senior
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