What is the interrupt mask of FRC2?

[sourse]

Hi ,
I can't find the interrupt programming guide or ISR vector table to add a FRC2 timer to application. Can anyone priovide the document or description about it? Thanks a lot

[ESP_Faye]

Hi,

Sorry that FRC2 has been used by SDK, so users could not use it.

Thanks for your interest in ESP8266 !

[sourse]

Thanks for your kindly reply. I wonder why SDK should use FRC2. You mean it is used both OS system and non-OS system? I want to use it in non-OS system cause FRC1 be used by PWM. Thanks.

[ESP_Faye]

Hi,

FRC2 is used for the system software timer (os_timer_arm). If you do not need PWM, you can use the FRC1.

Thanks for your interest in ESP8266 !