STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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Can I change UART baud rate in run time?

Posted on June 30, 2016 at 20:51Hello.STM32L1. I need change baud rate from 9600 to 115200 on run time.Which sequence?Now:1) Init port on 9600.2) Send command to GPS module for baud rate change to 115200.3) Reinit port on 115200.4) Overrun error rec...

dubanoze by Associate
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STM32 WiFi MAC Layer Modification

Posted on June 30, 2016 at 07:36Hi, I just start to use STM32F4 Discovery for real time network research using STM32F4 WiFi extension board. Some literature said that I have to modify the MAC Layer on network stack. My question is how to access the ...

rama by Associate
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HAL_I2C_MasterTxCpltCallback for second i2c

Posted on June 18, 2016 at 00:00I am using both I2Cs in my board. Also, using DMA for non-blocking.HAL_I2C_Master_Transmit_DMA generates interrupt for completion (also for reception and error.HAL only allows for one ''weak'' callback for both.Is the...

alsaleem by Associate II
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STM32F446 SAI Configuration StdPeriphLibrary

Posted on June 15, 2016 at 13:01 Hello everyone. I am a bit stuck with SAI configuration for STM32F446 MCU. What I want to get is a full duplex SAI, working with PCM-coded signal coming from bluetooth module. Now I am trying to conf...

sir by Associate
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  • 1 replies
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External booting of STM32F427 from EEPROM

Posted on June 23, 2016 at 18:38I am working on Stm32f427. I want to interface EEPROM with this microcontroler for external booting. The external booting options mentioned in referance manual are from system memory and SRAM. Please tell me how to in...

2013ee139 by Associate II
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  • 3 replies
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Failed to write on SD card over SDMMC1 with STM32L4xx

Posted on April 15, 2016 at 07:16Hi,I am using STM32L4xx MCU to interface micro SD card of 2GB over SDMMC1 interface. The FatFs and FreeRTOS is also integrated with the firmware. There are other peripherals interfaced over SPI and I2C.Scenario:FatFs...

dhaval by Associate II
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  • 11 replies
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