sio_tryread() function

Tries to read from the serial device. Same as sio_read but returns immediately if no data is available and never blocks.

Syntax

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Summary

Declaration

u32_t sio_tryread(sio_fd_t fd, u8_t *data, u32_t len);

Argument

Description

serial device handle

data

pointer to data buffer for receiving

len

maximum length (in bytes) of data to receive

number of bytes actually received

from examples