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STM32F4 RTC DATE Register

Posted on May 20, 2013 at 10:56Please do this after every read of the date register ( get_date() function )(void) RTC->DR;this will unfreeze the date register so that it get updates on every read #rtc-date

stm32f401re nucleo: USART programming

Posted on November 16, 2015 at 11:38Hello everybody,I'm new on the forum and on ST microcontrollers.I'm trying to program the USART in assembly, but I have some issue to write on DR.What am I missing? Somebody can help me, please?*******************...

life758 by • Associate II
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STM32 stop mode and UART interrupt

Posted on November 18, 2015 at 08:18Hi 1. Can a UART receive interrupt wake the STM32 MCU from Stop mode (RX line start bit) ? 2. Only a External Interrupt can wake the STM32 MCU from low power modes ? Regards #!stm32f4-disco #low-power-stop-mode

RTC Wakeup interrupt not triggering on STM32L100

Posted on November 17, 2015 at 15:09Hello,It seems that the IRQ handler for the wakeup does not trigger even the RTC is running correctly, WUTIE is set in CR register and the ISR flag WUTF is set as expected. What could be the issue? The FW is build...

juho by • Associate II
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STM32F4-Discovery Boot0/1 De-soldering

Posted on November 17, 2015 at 23:37Greetings,I'm wanting to shave every bit of power I can off of this board and was thinking of de-soldering the Boot0 and Boot1 bridges.  Question is, will this adversely effect the bootloader in any way?  Currentl...

shawn2 by • Associate II
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STM32F4 Timer External Pulse counting

Posted on May 18, 2013 at 00:23Since 4 day I'm trying write code which will be able to count external pulses. I tried to use encoder mode but i supposed that this work only with 2 quadrature encoders. I have only one pulse signal and i have no idea ...

STM32f4 discovery board

Posted on November 16, 2015 at 17:27Hello,I have a problem with running a  TFT. My LCD chip is SSD1289 . I have communication between the board ( stm32f407 - discovery ) and the LCD but there isn't a text on the screen. I attach my code.

STM32F0 DMA communication

Posted on November 16, 2015 at 16:22 Hi all,i want to STM32F0 DMA communication Peripheral to Perpheral.but when i debugging my codes,in my while loop code works one time and stops.What is my fault.My code is here; /* Includes -----------...

STM32F and USB at 1.8V

Posted on November 16, 2015 at 18:54I would like to connect an STM32F405 to usb while running the chip at 1.8V. Since USB requires 3.3V I need some kind of level translator. I have tried the TSX0102 and did not get it working. Has anyone done this b...

sburr by • Associate II
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