IPC@CHIP® RTOS-LNX – API Documentation
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Fossil API for Serial Ports
fossil_count_bytes_waiting
fossil_data_avail
fossil_deinit
fossil_flush_output
fossil_force_rts
fossil_get_device
fossil_get_fd
fossil_getbyte
fossil_getbyte_wait
fossil_initmode
fossil_output_done
fossil_peek_input
fossil_purge_input
fossil_purge_output
fossil_putbyte
fossil_putbyte_wait
fossil_read_cts
fossil_readblock
fossil_readblock_wait
fossil_send_break
fossil_set_flowcontrol
fossil_set_rs485
fossil_set_rs485_txenable
fossil_setbaud
fossil_setbaud_std
fossil_status_request
fossil_writeblock
fossil_writeblock_wait
◆
fossil_data_avail()
int fossil_data_avail
(
int
port
)
Check if serial data bytes are available.
Parameters
port
port number index: 0=UART1 ... , see
FOSSIL_PORT
Returns
0 = no data available
1 = data is available
-1 = wrong port number
Since
V0.80
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