Missing I2S PLL divisors on STM32F7 Topic is solved

[geebee]

On 18.2 (but also seems to be the case in the most recent revision), I believe this line in os/hal/ports/STM32/STM32F7xx/hal_lld.c

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  RCC->PLLI2SCFGR = STM32_PLLI2SR | STM32_PLLI2SN;

Should also include the bits for the Q and P divisors, similarly to the SAI initialization below, something like

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  RCC->PLLI2SCFGR = STM32_PLLI2SR | STM32_PLLI2SQ | STM32_PLLI2SP | STM32_PLLI2SN;

The macros are already defined and verified in hal_lld.h.

GB

[Giovanni]

Hi,

Fixed as bug #992.

Giovanni