STM32 MCUs Embedded software

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MQTT broker running on STM32F7

Hi everyone,I need to run a MQTT broker on my board powered by a STM32F746. I managed to get the LwIP stack running properly as a starting point. I verified this by sending and receiving topics with the provided MQTT client implementation of LwIP.LwI...

CA_SUS by Associate II
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Use UART DMA with X-CUBE-CELLULAR

Hi everyone,​I am using X-CUBE-CELLULAR v6.0 and would like to use DMA on UART to replace the original interrupt receiving method. ​The original method is calling IPC_RXFIFO_writeCharacter() in HAL_UART_RxCpltCallback() and notify upper layer when an...

SL61 by Associate II
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STM32H7 Ethernet CurrentDescriptor vs ETH_TX_DESC_CNT

As I understand from the low_level_output of ethernetif.c, I could have up to the number of ETH_TX_DESC_CNT of buffers.In the stm32h7xx_hal_eth.c ETH_Prepare_Tx_Descriptors (not counting the context descriptors) I "upload" the buffers to the Descript...

JRS by Associate III
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jump to another app explanation

I have this code:void bootloader_jump_to_app(void){ pFunction Jump; uint32_t JumpAddress;   HAL_RCC_DeInit(); HAL_DeInit();   JumpAddress = *(__IO uint32_t*)(APP_ADDRESS + 4); Jump = (pFunction)JumpAddress;   __set_MSP(*(__IO uint32_t*)APP_AD...

JCuna.1 by Senior
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  • 3 replies
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