STM32 MCUs Embedded software

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

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STM32L475 Jumping to DFU

I am trying to figure out the details of how to jump to the internal bootloader on STM32L475. The following code works just fine on the STM32F405, but similar (updating the address obviously, which is actually the same) will not work on the L475.ldr ...

DMA buffer position

In the M0 I used this code to get the current pointer position U1RxBufferPtrIN = U1RxBufSize - huart2.hdmarx->Instance->CNDTR;but on the H7 this register is not available.How can I find the current Rx pointer position from the Uart DMA controller...

T J by Lead
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Why LISR signals Half Complete and Total Complete ISR at the same time, while using HAL Double buffer mode for Audio

Hello to all.I'm trying to setup the STM32F746-Discovery board for audio transmission.For the audio transmission it is important to use double buffer mode.I'm using the HAL and the stm32746g_discovery_audio.c and wm8994.c filesThe LISR register signa...

Confusing STM32F2xx manual for INEPTXFD

Posted on October 23, 2016 at 14:55 Hi. I'm looking at following register in manual: OTG_FS device IN endpoint transmit FIFO size register (OTG_FS_DIEPTXFx) (x = 1..3, where x is the FIFO_number) It has two parts: Bits 31:16 I...

dimax by Senior
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Resolved! HAL_Delay() causes infinite loop in some cases

Posted on February 02, 2017 at 15:44Hey there, I am relatively new to STM32 Development (coming from an AVR Background).I am currently working on a LoRaWAN sample project using the STM32L053 Discovery board and the SX1272 Modem with IBM LMiC Library...

Rob Keck by Associate II
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