CPU 0 interrupt status: Int Level Type Status 0 1 Level Reserved 1 1 Level Used: RTC_CORE 2 1 Level Used: FROM_CPU_INTR0 3 1 Level Used: TG0_WDT_LEVEL 4 1 Level Reserved 5 1 Level Used: UART0 6 1 Level Reserved 7 1 Level CPU-internal 8 1 Level Free 9 1 Level Free 10 1 Edge Free (not general-use) 11 3 Level CPU-internal 12 1 Level Free 13 1 Level Free 14 7 Level Reserved 15 3 Level CPU-internal 16 5 Level CPU-internal 17 1 Level Free 18 1 Level Free 19 2 Level Free 20 2 Level Free 21 2 Level Free 22 3 Edge Free (not general-use) 23 3 Level Free 24 4 Level Reserved 25 4 Level Reserved 26 5 Level Free (not general-use) 27 3 Level Free 28 4 Edge Free (not general-use) 29 3 Level CPU-internal 30 4 Edge Free (not general-use) 31 5 Level Free (not general-use) Interrupts available for general use: 11 Shared interrupts: 0