STM32 MPUs Products and hardware related
Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
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level sensitive IRQ on GPIO
Hello, I am using the ST32MP157c-dk2. I want to adapt the mcp2518xxfd driver the bsp. The driver uses a level sensitive irq on a gpio. Since I have not been able to configure a level sensitive irq, I tried it edge sensitive. But this configuration fa...
spread spectrum on STM32MP1
Hi,I have to use the spread spectrum on PLL4 on STM32MP1I have set the pll4 in tfa and u-boot as followstfa pll4:st,pll@3 { cfg = < 1 49 11 10 1 3>; csg = < 80 80 SSCG_MODE_CENTER_SPREAD >; };u-boot pll4:st,pll@3 { cfg = < 1 49 11 10 1 7>...
Resolved! speaker output in STM32MP157C-EV1
HI, All.I would like use speaker output in STM32MP157C-EV1. I revised the wiki but there aren't references about how play audio with speaker output. Is it enable speaker output to this board? Is it possible enable this output to play audio?Regards!Al...
How to increase the RPMsg buffer size?
i want to increase the RPMsg buffer size as suggested in this thread:https://community.st.com/s/question/0D50X0000AnuE1XSQU/what-is-the-maximum-transmission-interprocessor-bandwidth-on-stm32mp1i already tried the following:On the M4:Changing RPMSG_BU...
Resolved! VIRT_UART (or RPMsg framework) on M4 cannot send messages until A7 host sends a message.
While I'm modifying the code of OpenAMP Echo, I found that VIRT_UART_Transmit() fails until host Linux sends any message (like $ echo "A" > /dev/ttyRPMSG0).After Linux send a message everything works as expected.After digging into it a little bit, I ...
New : STM32MP15 distribution for Android™ v1.0.0
ST is please to announce the st-android-9.0.0-2019-09-27 tag compatible with Android 9.0.0 (Pie).Main software component versions : · Android version v9.0.0 (AOSP android-9.0.0_r46 tag)· Kernel version v4.19.49 (AOSP common kernel) + upda...
STM32MP157AAA3 use LPDDR3?
I designed a PCB using LPDDR3 and STM32MP157AAA3 MPU, but I accidentally found that u does not support, this is not a pit man? Why is this diagram on the DDR instruction manual AN5122, I'm designing it accordingto this. But now pcb has produced how t...
Modify device tree for gpio button keys
I'am a newbbie on STM32MP1 and linux embedded.I want to use available pins on STM32MP1-DK2 to as buttons input. I want to use CN14 connector pin (1 to 4) as buttons inputs.I've modified the stm32mp157c-dk2.dts adding these lines: buttonkeys { compat...
Resolved! Toogle Pins for STM32MP157C-DK2
Hello,I am working on the evaluation board STM32MP157CDk2I am trying to add my code in the main method while loop in order to toogle pins.I added the following code:while (1) { /* USER CODE END WHILE */ HAL_GPIO_TogglePin(atoi(1), GPIO_PIN_1...
