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


pfe_set_edge_level_intr_mode

Set edge/level interrupt mode for INT0, INT2, INT3, INT4.

void pfe_set_edge_level_intr_mode ( unsigned char mode,
                                    unsigned short mask );

Parameters

mode

1 = active high, level-sensitive interrupt
0 = low-to-high, edge-triggered interrupt

mask

Bits set to designate interrupts affected:
    Bit 0 = INT0
    Bit 1 = don't care
    Bit 2 = INT2
    Bit 3 = INT3
    Bit 4 = INT4
    Bit 5..15 = don't care

Return Value

-- none --.

Comments

Default for all interrupts is edge-triggered mode.   In each case (edge or level) the interrupt pins must remain high until they are acknowledged.

Mode for INT5/INT6 is not supported.

See Also

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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