非 OS SDK 在中断处理函数中,请勿使用任何 ICACHE_FLASH_ATTR 定义的函数。
请问:
1、定时器和hw定时器的回调函数是否在中断处理函数里面被调用。定时器回调函数能不能调用 ICACHE_FLASH_ATTR 定义的函数。
2、定时器回调函数能不能用ICACHE_FLASH_ATTR 定义。
3、API中其他回调函数能不能用ICACHE_FLASH_ATTR 定义和调用 ICACHE_FLASH_ATTR 定义的函数。
定时器的回调函数是否是在中断函数中被调用的
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