Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on August 20, 2017 at 20:18The L4 1.8.1 drivers contains a tedious race condition inside the 'I2C_WaitOnRXNEFlagUntilTimeout' function. There is a chance that RXNE reads 0 (RESET), which causes the while {} to execute. Potentially RXNE and ST...
Posted on January 19, 2017 at 04:06 Hi Everyone, Just a little issue, I would like to reset the receiving buffer of the DMA in circular mode every time it completes reception. If i know the exact size of received data problem solved the DMA bu...
Posted on October 25, 2016 at 10:37Hi, I am trying to use cubemx hal library for 1 second rtc interrupt. The call back function is called every time the ''minutes'' has changed. So it does not work for every 1 second. My rtc init and call back funct...
Posted on August 18, 2017 at 16:22...#stm32f4 #can
Posted on August 20, 2017 at 11:14Hi, I'm working on a project where I have to work with NFC protocol on my STM32L152RET.I want to port to this board the nfc exemple coming with http://www.st.com/content/st_com/en/products/embedded-software/st25-nfc...
Posted on August 18, 2017 at 09:40Hello, I'm using a STM32L071CB.Some times my code go to HardFault_Handler.After many test I seen that the interrupt start from if (ADC_IS_CONVERSION_ONGOING_REGULAR(hadc) == RESET)in HAL_StatusTypeDef HAL_ADC_Start...
Posted on August 16, 2017 at 18:45I have a problem with STM32F415RG....My project has two system of wakeup from standby, first is PA0 pin and other RTC Alarm.If i put a single way of wakeup, like only PA0 wakeup work, if i put only RTC ALARM wakeup ...
Posted on August 19, 2017 at 18:54In my project, I need to use PB6, PB7 as the pins of USART1.But,when I set it,I can't connect to ST-Link,
Posted on August 05, 2017 at 10:25Can not find any related flag in RM0090 at lest. Strongly need to receive frames with lengths down to 12 byte totally (having only SA DA at most )
Posted on August 18, 2017 at 21:48Hi,i'm working with STM32F415RG and i want only ask a easy question.I'ts possible to detect if the chip (during StandBy mode) is wakeup from RTC ALARM or from PA0-WKUP pin ? some flag will be setted ?Regard
