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@CHIP-RTOS C Library V2.00 - Hardware API


pfe_enable_int_cascade_mode

Enable INT0 / INTA cascade mode

void pfe_enable_int_cascade_mode ( void );

Parameters

-- none --

Return Value

-- none --.

Comments

To install a service interrupt routine in cascade mode, the hal_install_isr function can not be used, because the cascaded interrupt controller supply the interrupt type over the bus. Install a normal interrupt routine with setvect for the vector you use and at the end of this function give an EOI to the cascaded controller and to the internal interrupt controller with hal_give_eoi (INT0).

Used pins:
    INT0, INTA#

Excluded pins:
    PIO13, TMROUT0, INT0 in normal mode, PIO6, PCS2#, PWD, SPI, hw flow control serial port 1

RTOS API

This library function invokes a RTOS software interrupt. Refer to this RTOS API function's documentation for more details.


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