STM32 MCUs Embedded software

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Forum Posts

How does PDM2PCM library works?

Posted on February 04, 2018 at 19:07 Hi STCommunity, I'm using a Nucleo F446RE and I have to convert a PDM bitstream from a pair of mems microphones (CCA02M1 eval board) intoPCM. Does anyone know how the latest PDM2PCM library (rev. 3.0.0) works?...

HAL_I2C_Mem_Read_DMA() Locks up the bus

Posted on July 17, 2017 at 21:12I've found that if I try to run the HAL_I2C_Mem_Read_DMA() function and communicate with a device with the wrong slave address, it will hang up the I�C bus.  It leaves SCL set to 0 because it doesn't send the stop bit...

GPIO input problem

Posted on February 01, 2018 at 18:11 Hi, I am a newbie in firmware programming. In my program, which was running on a STM32F446RETx Nucleo board, when a signal arrives at pin PC7, an action is taken place. In principle, it is quite similar to ...