@CHIP-RTOS C Library - Hardware API

hal_read_pio

Read specific I/O pin.

unsigned char hal_read_pio ( unsigned char pio );

SC1x Parameters

pio

IPC@CHIP® PIO No. [0..13]

SC1x3 Parameters

pio

IPC@CHIP® PIO No. [0..24, 26..31]

SC2x Parameters

pio

IPC@CHIP® PIO No. [0..2, 9..13, 18..23, 27..28, 31]

Return Value

0 PIO pin is low, 1 PIO pin is high

Comments

Read specified programmable I/O pin.

See Also

hal_write_pio        hal_read_pios        pfe_enable_pio

RTOS API

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

Supported since or modified in @CHIP-RTOS version

SC12	SC13	SC11	SC1x3	SC2x
V1.00	V1.00	V1.00	V0.90	V1.00