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


fossil_peek_input

Peek if next byte is available.

int fossil_peek_input ( int port );

Parameters

port

Port specifier:   FOSSIL_EXT = 0 for EXT port,   FOSSIL_COM = 1 for COM port

Return Value

-1 if no character available,
Else next character in receiver buffer.

Comments

Returns the next byte available in the receive buffer, without removing it from the buffer.

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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