STM32 MCUs Products

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Forum Posts

STM32F4 UART HAL time race condition?

Posted on March 20, 2015 at 11:39Hello, In multiple places in the UART HAL (in all the variants of HAL_UART_Receive) one can find the following code:    /* Check if a transmit process is ongoing or not */     if(huart->State == HAL_UART_STATE_BUSY...

stst9193 by Associate II
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STM3240G Camera connector

Posted on December 22, 2012 at 05:12Hi I have the STM3240G eval board. It has an OV2640 camera on it but I want to connect other sensors, say from Aptina. There is a camera connector provided but I was not able to find the male connector anywhere. I...

nakulrao by Associate II
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STM32F407 UART Error Handling

Posted on April 11, 2015 at 22:09I am working on a project that requires communication over UART. I am trying to get to the minimum time between UART messages coming in or going out that is possible. My problem is that sometimes the module gets into...

(SOLVED) STM32F103C8 UART Interrupt Flooding

Posted on February 07, 2015 at 18:42 Hi I want to receive data from ESP8266 module after restarting it. But after restart, it starts the communication at a higher baud rate and after it's done booting it uses 9600 baud. When I have the UART p...

petoknm by Associate II
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UART Registers Documentation for STM32F429xx? Where is it?

Posted on April 09, 2015 at 04:40Hi,Where can I find documentation on the UART registers for the STM32F429xx micro?The datasheet ( http://www.st.com/web/en/resource/technical/document/datasheet/DM00071990.pdf ), does not include any information abou...

STM32F04 CAN init

Posted on April 09, 2015 at 19:43The original post was too long to process during our migration. Please click on the attachment to read the original post.

SWD connector on custom board

Posted on April 10, 2015 at 18:53Hello, I have a STM32F411 nucleo board and I would like to cut STLink out. I'm building a shield for nuecleo board and I want to add a SWD connector. So I look at CN4 on STLink and  altium schematic and I have some d...

Periodic RTC calibration STM32F1xx

Posted on April 08, 2015 at 15:56Hello,MyProject: Calibrate RTC LSE clock continuously based on an external time reference.MyProblem: Calculation of re-calibration value.Description: I start a calibration measurement interval time t1 and stop it at ...

STM32F411 - Synchronize two timer and use them to IC

Posted on April 11, 2015 at 03:51Hello! I have to get 6 IC chanel running from the same timebase. So I need to use CH1 and CH2 from TIM5 and CH1 to CH4 from TIM4. I can't figure out how to configure booth timer to get sincronized (both counting the ...