STM32H743 在freeRTOS下 SPI 与DSP通信, 遇到问题,进入HardFault
The processor has escalated a configurable-priority exception to HardFault.
A precise data access error has occurred (CFSR.PRECISERR, BFAR) at data address 0x201f1e39.
Exception occured at PC = 0x807794c, LR = 0x80db1f3