STM32 MCUs Embedded software

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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...

Resolved! Ethernet issue on NUCLEO-H723ZG

Hi. I have a NUCLEO-H723ZG board. And my basic goal is to create from scratch non-rtos project with ethernet support. But after many attempts i cant get it respond to pings from PC. I tried flashing udp echo sample and it works, so hardware isnt faul...

AlexCatze_0-1747475977037.png AlexCatze_1-1747476047272.png AlexCatze_2-1747476200315.png AlexCatze_3-1747476220359.png

STM32H745 PTP Offloading

HelloI’m busy with the implementation of PTP support inside my project.I choose the STM32H745, because there is PTP support in hardware, with a nice offload function. After reading and try to understand the manual I create this code:uint32_t SubSecon...

JDWBE by Associate III
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STM32H743 ETH DMA MPU SETTING

 Hello everyone, I am using the LWIP protocol stack on an STM32H743.I'm a bit confused about the MPU configuration here.I currently have the DMA receive and transmit descriptor addresses set to 0x30040000 and 0x30040100 respectively.The DMA receive b...