STM32 MCUs Products

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Forum Posts

STM32F303 Discovery board ADC offset

Posted on June 13, 2013 at 09:18Hi, I've configured ADC1 to sample one of the channels like PA1 (Channel 2). However, when I connect a power supply to the input, there is a large offset. For example, connecting 2V I can see around 200-250mV offset. ...

gustavo by Associate
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STM32F3 Discovery - ADC Offset

Posted on July 10, 2013 at 23:04I'm working on getting the ADC fully integrated with the rest of my code.  When I'm testing out my ADC, however, I keep getting an output of about 300-400 from ADC1->DR when I'm inputting a voltage of 0 to the pin.  I...

mattfox by Associate II
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STM32F3 discovery - Recieve ''char or word '' from RX.

Posted on July 02, 2013 at 06:08i have a problem with recieve data to stm32. send data to UART works fine in hyperterminal on windows i see all wordl who send stm32. But we need to STM32 could also receive data from the computer.I need to able to re...

polasek by Associate II
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  • 7 replies
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USART RX interrupt - capturing data

Posted on July 12, 2013 at 09:46Hi all,I am working USART RX interrupt.I am sending command through rs485 interface (usart TX) and waiting(delay) response from external device.What i wonder is , there is a flag for waiting last received data?i dont ...

Embedded SRAM as the boot space

Posted on July 12, 2013 at 09:52In AN2606 it's described when both BOOT0 and BOOT1 are pulled-up, Embedded SRAM is selected as the boot space. How can I load my application to SRAM without programming FLASH and run it after loading without any reset...

rahmani by Associate
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f4 discovery rs232 baud problem

Posted on July 11, 2013 at 10:29Hi, I have it working but seem to get about 1/3 of the baud rate that I program into USART_InitStructure.USART_BaudRateIn other words, I have to set it to 9600*3 to get a baud rate of approximately 9600 baud.Maybe I h...

STtub driver under windows 8

Posted on July 04, 2013 at 12:39I'm trying to get DfuSe application working under windows 8, but I have problem with installing the STtub driver for device in dfu mode. I have tried to install it with disabled forcing of signed driver in win 8, but ...

pa2 by Associate II
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STM32F407 ADC Scan operation

Posted on July 11, 2013 at 16:17The STM32F407 ADC(s) support scan mode where a predetermined group of ADC input channels are successively converted with the results DMA'd to a circular memory array at the end of the group conversion. This works but,...

John F. by Senior
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