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STM32 GPIO mode and pull

Hi,How to setup gpio pull? If I have INPUT, should I setup to PULLUP or NOPULL or PULLDOWN?How about OUTPUT?Thx GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_PULLUP;

Why can't I get an Early Warning Interrupt from the WWDG?

I am trying to use the WWDG EWI on the STM32F051. I can force the WWDG reset, but never seem to get the Early Warning Interrupt. I am setting EWIMode to WWDG_EWI_ENABLE when calling HAL_WWDG_Init(). I am trying to verify the interrupt by stopping the...

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Resolved! CubeMX doesn't generated stm32l4xx_ll_tim.h file

Posted on July 09, 2018 at 19:25Hi,I can't find stm32l4xx_ll_tim.h file from CubeMX generated code. The only place I can find this file is a zipped file download from ST.com. I am guessing this is a Cube issue, right?STM32Cube_FW_L4_V1.11.0Thx

Error in initializing ST-Link Device

Posted on June 20, 2018 at 09:16Hey there,I have a development board that includes STM32F091CC. After write my code i successfully build it but when i try to debug in Atollic TrueStudio(Eclipse based IDE) it i have an error messages that in attached...

STM32L0) hal_uart_receive_it baudrate change

Posted on April 16, 2018 at 05:03hi.I am using the hal library to communicate uart.I changed the baudrate during code execution as shown below.UartHandle.Init.BaudRate     = Baudrate;if(HAL_UART_Init(&UartHandle) != HAL_OK){ Error_Handler(); }HAL_UA...

DMA double buffer Interrupt

Posted on May 08, 2018 at 18:56Hi all, I have a STM32 NUCLEO-H743ZI evaluation board. I am trying to read ADC using DMA. Meanwhile, I also need to use the CPU to process the data read from the ADC. So I use a double buffer mode. I used CubeMX to gen...

STM32 I2C HAL_TIMEOUT ERROR

Posted on April 03, 2018 at 15:25I'm new for STM32 family. I use STM32 nucleo64 F401RE development  board and Keil5 with STM32CubeMX for software. I have problem about sending data with I2C. the slave IC has 4 register group. the each group register...

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