Resolved! SAI can't work in M4 in stm32mp157,when A7 is running.
hi,I use SAI interface for reading data by M4 core in stm32mp157Only in debug M4 mode(M4 is running and A7 isn't running),the read can success.When A7 core is running, the read will be failed(A7 is running ,but SAI is used by M4). when a7 is runnin...