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IWDG resetting when making the window larger

- STM32G0B0RE     Our controller was running fairly well but on occasion we were seeing the windowed watchdog trip(The IWDDGRSTF flag set on reboot.) We were not sure whether this was a too short or too long trip so decided to extend the window wider...

Resolved! STM32L072 USB

Hi all,A USB device should pull up DP when it detects VBUS power only. This is described in the USB standards and ST AN4879 factsheet. Question 1. Is there any other (smarter) way with the STM32L072 than to monitor VBUS power on a GPIO yourself (via ...

JanAtze by Associate II
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  • 7 replies
  • 0 kudos

Resolved! what does the status codes mean, how do you read them ?

here are the functions:/*** @brief Return the OSPI error code.* @PAram hospi : OSPI handle* @retval OSPI Error Code*/uint32_t HAL_OSPI_GetError(const OSPI_HandleTypeDef *hospi){return hospi->ErrorCode;}/*** @brief Return the OSPI handle state.* @PAra...

MNapi by Senior III
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  • 2 replies
  • 2 kudos

Resolved! stm32h747 GETCHAR_PROTOTYPE strangeness

Hi Guys,This is driving me mad!So this works perfectly echoing characters via uart8:  int ch = 'A'; while (1) { HAL_UART_Transmit(&huart8, (uint8_t *)&ch, 1, 0xFFFF); HAL_UART_Receive(&huart8, (uint8_t *)&ch, 1, 0xFFFF); }  Now if I have getchar ...

ACapo.1 by Senior
  • 1365 Views
  • 4 replies
  • 4 kudos

Resolved! STM32F1 DFP problem

Keil MDK Device DatabaseIf no parameter, it needs to look like thisSo, MDK can not setting "Option for target-debug" correctly 

Shiina_1-1711786767072.png Shiina_3-1711787043912.png Shiina_2-1711786921695.png
Shiina by Associate III
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  • 1 replies
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Resolved! 3.3V power supply for NucleoF103

Hello,I need to power the NucleoF103 development board using an external 3.3V power supply. I have read in the NucleoF103 manual that this is possible by removing SB2 (to disconnect the voltage regulator output) and SB12 (to disconnect NRST). I also ...