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STM32L15x: UART Configuration and use problem

Posted on May 14, 2012 at 23:54hi everybody, i have to cinfigure an uart interface of my stm32l152 on STM32l-discovery or STM32-sk evaluation board. I have used to configure the uart peripheral interface the example in the stm32 library called Hyper...

STM32F407 reading from SPI2 only get 0xff

Posted on February 29, 2016 at 10:39Dear STM32 users I am new to STM32 but have experience in many other architectures. I got into everything up and running pretty quick (blinking LED, sending UART ... ). But now I'm stuck with no clue what so ever....

stephan2 by Associate II
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FSMC - Disable ''burst'' writes

Posted on February 26, 2016 at 02:43 I'm using the FSMC in the STM32L4, but can't figure out how to disable ''burst'' writes. By this, I mean that multiple writes happen within a single CS. When I do multiple writes in a row to external ...

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dpryan by Associate II
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Busy flag Set in I2C

Posted on November 29, 2012 at 06:22The original post was too long to process during our migration. Please click on the attachment to read the original post.

Hard Fault only with Optimize More (-O2)

Posted on February 23, 2016 at 13:19This is strange: I have an application that works perfectly on every optimize level except Optimize More (-O2). A hard fault occurs when a particular thread is running. I have read about various causes for hard fa...

HAL_RTCex_SetWakeUpTimer_IT() Not working properly

Posted on November 17, 2015 at 21:13Greetings, So I decided to play with the RTCex library, specifically the much abbreviated new timer_IT function.  My system is designed to shutdown after every code iteration and be awakened via the alarm(wakeup t...

shawn2 by Associate II
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STM32F4 SLEEP Mode Power, Please Clarify...

Posted on February 26, 2016 at 06:23Hello, I have looked through the app note AN4365, and I have a question about SLEEP mode that isn't clear in the document. The chart on Page 8 doesn't really disambiguate which one of those is sleep mode. So I am...

STM32F1 I2C start failure

Posted on February 16, 2016 at 15:57I am working with an STM32F103RC and trying to develop an I2C master application.  Currently the I2C bus is populated with only this master and an MCP23017 slave.In my most recent test run the program eventually e...

clark2 by Associate II
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