STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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Creating a file on STM32F7 – Returns NULL

Hello Guys,I’m working on a project using the STM32F767 evaluation board with STM32CubeIDE and FreeRTOS. In this project, I want to create a .csv file inside the MCU’s storage, write data to it, and then share that file over Ethernet.So far, I have s...

B_D_R by Associate III
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Resolved! NUCLEO-H755ZI-Q Ethernet ping not working

I'm encountering a networking issue where my STM32 device that is NUCLEO-H755ZI-Q, configured with the LwIP stack over Ethernet without FreeRTOS and assigned a static IP address (192.168.100.123), is unable to be discovered or pinged from a PC connec...

Zainulabedeen_0-1750504442703.png Zainulabedeen_1-1750504469903.png Zainulabedeen_2-1750504552112.png

Problem with Clock

void STM32F4_SystemClock_Config(void) { RCC_OscInitTypeDef RCC_OscInitStruct = {0}; RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; // 1. Habilitar el reloj del controlador de potencia y configurar la escala de voltaje __HAL_RCC_PWR_CLK_ENABLE(); __HAL_...

Resolved! H723-Ethernet_LWIP Ping problem

Hello ST Community, I am currently working with the Nucleo H723ZG board and facing issues establishing a ping response using the LWIP stack. Despite following various examples and configurations, I have been unable to get it to respond to pings. Here...

eth_config.png eth_GPIO_config.png mpu_config.png lwip1.png

LL_RCC_PLL_ConfigDomain_XXX functions

Can anybody explain me what it the sense of having such functions separate for any peripheral that can choose the PLL as the source clock ?I mean... There is no independent "domains" for SYSCLK, ADC, I2S, etc.... There is only one instance of PLL and...