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Emanuele Zampieri
Associate II
since ‎2018-07-19
‎2023-06-14

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  • 12 Posts
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User Activity

USART with DMA circular buffer transfer only the first byte

2020-08-06
Hello,I have to transfer the bytes received from UART2 to the circular buffer via DMA. The microcontroller I am using is STM32L010F4  with LL instead of HAL.When I send a sequence of bytes to UART2 I notice that only the first byte is loaded into the...

Exit from Low Power mode with wakeup pin STM32L072

2019-05-07
I'm using I-CUBE-LRWAN but i have a problem with the wakeup pin (PA0): i can't "wake up" the micro from low power mode with the pin PA0 (WKUP1) of STM32L072CZY.At PA0 I put a pull-down and a button connected to 3V3 to generate a rising edge.I tried t...

Problem with HAL_UART_RxCpltCallback

2018-05-09
Posted on May 09, 2018 at 09:58 Hi, I have some problems with the HAL_UART_RxCpltCallback for USART1. When I send some bytes from my pc (by serial monitor application) to the USART1 theHAL_UART_RxCpltCallback it's called occasionally. I use t...

USART1 Receive Problem with STM32L072CZ

2017-11-23
Posted on November 23, 2017 at 21:34Hi,I'm trying to read via USART1 the bytes generated by the GNSS module.I'm developing on the discovery kit B-L072Z-LRWAN1 board (Discovery kit LoRa), where the TX and RX pins of the GNSS module are connected resp...
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