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Forum Posts

Errors in UART baud rate sections of Reference Manuals

USART baud rate related stuff has a long history of errors in both the STM32 documents and sample code. Looks like in the past 4 years some of the problems were corrected but there are still some strange and incorrect pieces.STM32F10x manual, RM0008 ...

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gbm by Principal
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  • 0 replies
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STM32F334 - ADC1 returns large output with grounded input

Helloon the a.m. device I use both ADC1 and ADC2. The initialization is identical on both. I notice that results fluctuate widely at ADC1 output and reasonably at ADC2 output.Grounding ADC1 input leads to 330-345 LSB.Vdda = 2.5V from precise external...

Initial Signal Condition

Hello,I am using the STM32F767 microprocessor with Bluetooth control. A custom-designed user interface controls the system parameters such as updating the variables and receiving data. But when I power on the system, I flash the code. Then, in the fi...

AE104 by Senior
  • 1051 Views
  • 2 replies
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Code alignment questions

Hello, I am working with STM32G0 with uCOS-II.I was reading some of the actions are fragile to unalignment; I was wondering how to align the code. As per now, the only command I know is : #pragma data_alignment =8 which I use just before launching th...

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Sego2 by Associate III
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I2C_FLAG_TXIS is always in RESET state!!

Hi,I would like to use the I2C2 (from I2C3) in "STM32G474_MB1303_DRP_ONLY"besides, modify I2C3_SDA to I2C2_SDA (pc9 to pa8), I2C3_SCL to I2C2_SCL(pc8 to pa9), the AF to GPIO_AF4_I2C2, ...

qqGHUAN by Associate II
  • 1290 Views
  • 1 replies
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Ping/ICMP checksum bug in Nucleo-F767ZI ? Firmware? Hardware?

I assume a bug in the Nucleo firmware (MAC driver? PHY driver?) or even the hardware.I have implemented ping.c (from Lwip) on top of the board's Webserver example (from the recent Firmware package), so that it can ping a computer.When the board issue...

Ingmar by Associate II
  • 955 Views
  • 1 replies
  • 0 kudos