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STM32L152 - EXTI and SPI interference

Posted on May 28, 2018 at 16:32 I am having issues using extrenal interrupts together with the spi on my stm32l152re-nucleo board. I am using theSTM32CubeL1 LL Drivers in the 1.8.0 Version. I am working with an external device that should gi...

m schuh by Associate
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STM32F103C8T6 I2C in Interrupt Mode

Posted on May 28, 2018 at 17:55Hello everyoneI am having problems with I2C in interrupt mode. When STM32 attempts to communicate with multiple devices, STM32 is sometimes busy and can not send that byte waiting to be sent via I2C. What is the conseq...

STM32L452 shutdown mode very high current consumption

Posted on May 28, 2018 at 17:01Hello,I'm using STM32L452 for my project and I'm trying to use shutdown mode, but I'm getting very high current consumption ~1mA but with STOP1 mode the current consumption is only 65uA (Its according to spec because I...

priven by Associate II
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I2C ISSUE ON NUCLEO-F429ZI

Posted on May 28, 2018 at 15:34Hello,I am using MCP23008E/P with Nucleo-F429ZI through I2C. It worked at the beginning, and but now I always has  HAL_I2C_ERROR_AF error on transmission. When I hook up scope, I find it looks transmission is broken af...

yang hong by Associate III
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Uart output not coming as desired

Posted on May 28, 2018 at 14:31Hi,  am using STM32F103C8T6, I wrote code with keil for uart1 for the tx pin PA9 and rx pin PA10, am just sending a character repeatedly, but I didn't receive the character what I am sending, I am using CP2102 device b...

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Why does STM32CubeMX hang up on windows10 System?

Posted on May 14, 2018 at 16:34I use STM32CubeMX to create startup code for the STM32L433RCT-P (Nucleo-Board).On my old Windows7 system there was no problem generating the startup code but on the new Windows 10 system it stalls after(?) it copied th...

USB CDC or USART (with or except using printf) problem when using 1 seconds timer to output DAC(external DAC)

Posted on May 28, 2018 at 09:58Hello,I need your help to recognize my issue correctly, please help me,issue :when using timer as 1 second period to control main flow including printf output,and at that time if using another timer to control the outp...

STM32F030F4P STOP mode: enter and exit

Posted on November 14, 2017 at 22:09 Hello. I'm having some problems with the STOP mode of STM32F030F4P. After having all my application working with standbye mode awake by the RTC alarm, I checked that my application can not have...