warning: #3731-D: intrinsic is deprecated 請(qǐng)問(wèn)一下這個(gè)警告要怎么消除

ID:514901 · 發(fā)表于 2021-9-11 09:09

用的最新的HAL庫(kù)，uart相關(guān)的庫(kù)代碼更新了，加了原子鎖還是啥不太懂，繞后然后報(bào)警告..\LIB\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_uart.c(3619): warning: #3731-D: intrinsic is deprecated

ID:875095 · 發(fā)表于 2021-9-11 09:09

CAUSE
The Arm Compiler does not guarantee to preserve the state of the exclusive monitor. This is why the __ldrex, __ldrexd, __strex and __strexd intrinsics are deprecated.

RESOLUTION
Either ignore the warnings or update the Arm CMSIS Pack to a version later than 4.3.0 to get these warning messages suppressed.

具體參考：https://www.keil.com/support/docs/3783.htm

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warning: #3731-D: intrinsic is deprecated 請(qǐng)問(wèn)一下這個(gè)警告要怎么消除

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