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F4 loops bug in O3, runs fine with O2

Hi, I'm having the weirdest bug with this code. It's just 2 for loops expecting to count from 0 to 5 and 0 to 8.When compiling with O3, i becomes very high and the execution gets stuck in the loops. Running STM32 Cube IDE 1.9.0STM32Cube FW_F4 V1.27.0...

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Romain1 by Associate III
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I2C Repeated Start to put MB85RC512T to Sleep mode

Hi,I am interfacing an FRAM driver from STM32L452RE using HAL lib. mem_read operation is not sufficient to put the FRAM chip to sleep mode. This requires a restart condition as follows:[Start][0xF8][Ack][0xA0][Ack][Rep Start][0x86][Ack][Stop]Here I t...

NMath.1 by Associate
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SPI External Flash Loader for STM32F407VE

I am trying to create external flash loader for STM32F407VE. The flash is w25q64jv - 8MB.I tried to follow the tutorial but since this is QuadSPI and I think STM32F407VE does not support QuadSPI.https://www.youtube.com/watch?v=XqCq0xtQmbI&list=PLnMKN...

MSing.8 by Associate III
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