113 lines
3.3 KiB
C
113 lines
3.3 KiB
C
#ifndef SIO_UNIX_H
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#define SIO_UNIX_H
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#include "lwip/sys.h"
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#include "lwip/netif.h"
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#include "netif/fifo.h"
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/*#include "netif/pppif.h"*/
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/* BAUDRATE is defined in sio.c as it is implementation specific */
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typedef struct sio_status_t {
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int fd;
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fifo_t myfifo;
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} sio_status_t;
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#define sio_fd_t sio_status_t*
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#define __sio_fd_t_defined
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/** Baudrates */
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typedef enum sioBaudrates {
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SIO_BAUD_9600,
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SIO_BAUD_19200,
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SIO_BAUD_38400,
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SIO_BAUD_57600,
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SIO_BAUD_115200
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} sioBaudrates;
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/**
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* Read a char from incoming data stream, this call blocks until data has arrived
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* @param siostat siostatus struct, contains sio instance data, given by sio_open
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* @return char read from input stream
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*/
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u8_t sio_unix_recv( sio_status_t * siostat );
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#define sio_recv sio_unix_recv
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/**
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* Poll for a new character from incoming data stream
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* @param siostat siostatus struct, contains sio instance data, given by sio_open
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* @return char read from input stream, or < 0 if no char was available
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*/
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s16_t sio_unix_poll(sio_status_t * siostat);
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/**
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* Parse incoming characters until a string str is recieved, blocking call
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* @param str zero terminated string to expect
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* @param siostat siostatus struct, contains sio instance data, given by sio_open
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*/
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void sio_unix_expect_string(u8_t *str, sio_status_t * siostat);
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/**
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* Write a char to output data stream
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* @param c char to write to output stream
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* @param siostat siostatus struct, contains sio instance data, given by sio_open
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*/
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void sio_unix_send( u8_t c, sio_status_t * siostat );
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/**
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* Write a char to output data stream
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* @param str pointer to a zero terminated string
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* @param siostat siostatus struct, contains sio instance data, given by sio_open
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*/
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void sio_unix_send_string(u8_t *str, sio_status_t * siostat);
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/**
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* Flush outbuffer (send everything in buffer now), useful if some layer below is
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* holding on to data, waitng to fill a buffer
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* @param siostat siostatus struct, contains sio instance data, given by sio_open
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*/
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void sio_unix_flush( sio_status_t * siostat );
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/**
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* Open serial port entry point from serial protocol (slipif, pppif)
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* @param devnum the device number to use, i.e. ttySx, comx:, etc. there x = devnum
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* @return siostatus struct, contains sio instance data, use when calling sio functions
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*/
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sio_status_t * sio_unix_open( int devnum );
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#define sio_open sio_unix_open
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/**
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* Change baudrate of port, may close and reopen port
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* @param baud new baudrate
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* @param siostat siostatus struct, contains sio instance data, given by sio_open
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*/
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void sio_unix_change_baud( sioBaudrates baud, sio_status_t * siostat );
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#if PPP_SUPPORT
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/**
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* Write buffer to serial port
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* @param siostat siostatus struct, contains sio instance data, given by sio_open
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* @param buf output buffer
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* @param size output buffer size
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*/
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u32_t sio_unix_write(sio_status_t * siostat, u8_t *buf, u32_t size);
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#define sio_write sio_unix_write
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/**
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* Read buffer from serial port
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* @param siostat siostatus struct, contains sio instance data, given by sio_open
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* @param buf input buffer
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* @param size input buffer size
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*/
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u32_t sio_unix_read(sio_status_t * siostat, u8_t *buf, u32_t size);
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#define sio_read sio_unix_read
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/**
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* Flush serial port input buffer
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* @param siostat siostatus struct, contains sio instance data, given by sio_open
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*/
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void sio_unix_read_abort(sio_status_t * siostat);
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#define sio_read_abort sio_unix_read_abort
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#endif /* PPP_SUPPORT */
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#endif
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