请教一下大家，stm32f4xx_flash.h里面的这句话什么意思？

2019-07-21 04:24发布

#define IS_FLASH_LATENCY(LATENCY) (((LATENCY) == FLASH_Latency_0) ||
((LATENCY) == FLASH_Latency_1) ||
((LATENCY) == FLASH_Latency_2) ||
((LATENCY) == FLASH_Latency_3) ||
((LATENCY) == FLASH_Latency_4) ||
((LATENCY) == FLASH_Latency_5) ||
((LATENCY) == FLASH_Latency_6) ||
((LATENCY) == FLASH_Latency_7) ||
((LATENCY) == FLASH_Latency_8) ||
((LATENCY) == FLASH_Latency_9) ||
((LATENCY) == FLASH_Latency_10) ||
((LATENCY) == FLASH_Latency_11) ||
((LATENCY) == FLASH_Latency_12) ||
((LATENCY) == FLASH_Latency_13) ||
((LATENCY) == FLASH_Latency_14) ||
((LATENCY) == FLASH_Latency_15))

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