STM32 MCUs Products

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ADC Accuracy varies with sample clocks

Posted on November 28, 2016 at 05:39I am having difficulty getting an equivalent ADC accuracy to my old 8 bit uC with 10 bit ADCs. I am looking to see if anyone can explain why changing the ADC clock cycles affects the ADC accuracy. I would expect l...

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STM32F0 standby current way too high

Posted on May 11, 2017 at 21:37Hello Guys,I need your expertise here. Having a problem with current draw in Standby mode ( STM32F091).I developed custom board with some external components like Accelerometer, Pressure sensor, temperature sensor, RF ...

Message Queue usage

Posted on May 25, 2017 at 15:47Hello all,I have problems with Message Queue in CMSIS-RTOS. I have following codefor putting C structures onto the Message QueueBOOL put_program_chunk(main_controller_req_t req){main_controller_req_t *p_req;BOOL retval...

How to stop a circular DMA at end of buffer

Posted on May 24, 2017 at 18:59Hi,I'm using an STM32F446.I use the circular DMA feature with a DAC output to generate a sinus waveform.My sinus buffer has 32 values.What I would like to do is :- run the DMA for a 'large' amount of time- be able to s...

Kuikui by Associate III
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USART3 Interrupt not being fired

Posted on May 24, 2017 at 14:37Hey guys,I'm using a serial terminal to communicate with USART3 on an STM32F1 via an FTDI USB-UART converter cable. I am successfully receiving data from USART3 in my serial terminal but when I try to send data to it t...

Resolved! Need details about STM32 I/Os

Posted on May 24, 2017 at 18:24For my design i am already using STM32F429BI--LQFP208 package, Now i am looking to replace this with STM32F777BI-LQFP208, both are pin compatible..Question: In the data sheet of STM32F777BI Its mentioned that GPIO'S=15...

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STM32F407 + LwIP + FreeRTOS: ethernet fritz

Posted on May 25, 2017 at 08:24If CHECKSUM run by SOFTWARE ethernet fritz in some packets (spam).//#define CHECKSUM_BY_HARDWARE in lwipopts.hEthHandle.Init.ChecksumMode = ETH_CHECKSUM_BY_SOFTWARE; in ethernetif.cHow can i fix it?

pestov by Associate II
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