1 | #ifndef SIO_UNIX_H
|
---|
2 | #define SIO_UNIX_H
|
---|
3 |
|
---|
4 | #include "lwip/sys.h"
|
---|
5 | #include "lwip/netif.h"
|
---|
6 | #include "netif/fifo.h"
|
---|
7 | /*#include "netif/pppif.h"*/
|
---|
8 |
|
---|
9 | struct sio_status_s {
|
---|
10 | int fd;
|
---|
11 | fifo_t myfifo;
|
---|
12 | };
|
---|
13 |
|
---|
14 | /* BAUDRATE is defined in sio.c as it is implementation specific */
|
---|
15 | /** Baudrates */
|
---|
16 | typedef enum sioBaudrates {
|
---|
17 | SIO_BAUD_9600,
|
---|
18 | SIO_BAUD_19200,
|
---|
19 | SIO_BAUD_38400,
|
---|
20 | SIO_BAUD_57600,
|
---|
21 | SIO_BAUD_115200
|
---|
22 | } sioBaudrates;
|
---|
23 |
|
---|
24 | /**
|
---|
25 | * Poll for a new character from incoming data stream
|
---|
26 | * @param siostat siostatus struct, contains sio instance data, given by sio_open
|
---|
27 | * @return char read from input stream, or < 0 if no char was available
|
---|
28 | */
|
---|
29 | s16_t sio_poll(sio_status_t * siostat);
|
---|
30 |
|
---|
31 | /**
|
---|
32 | * Parse incoming characters until a string str is recieved, blocking call
|
---|
33 | * @param str zero terminated string to expect
|
---|
34 | * @param siostat siostatus struct, contains sio instance data, given by sio_open
|
---|
35 | */
|
---|
36 | void sio_expect_string(u8_t *str, sio_status_t * siostat);
|
---|
37 |
|
---|
38 | /**
|
---|
39 | * Write a char to output data stream
|
---|
40 | * @param str pointer to a zero terminated string
|
---|
41 | * @param siostat siostatus struct, contains sio instance data, given by sio_open
|
---|
42 | */
|
---|
43 | void sio_send_string(u8_t *str, sio_status_t * siostat);
|
---|
44 |
|
---|
45 | /**
|
---|
46 | * Flush outbuffer (send everything in buffer now), useful if some layer below is
|
---|
47 | * holding on to data, waitng to fill a buffer
|
---|
48 | * @param siostat siostatus struct, contains sio instance data, given by sio_open
|
---|
49 | */
|
---|
50 | void sio_flush( sio_status_t * siostat );
|
---|
51 |
|
---|
52 | /**
|
---|
53 | * Change baudrate of port, may close and reopen port
|
---|
54 | * @param baud new baudrate
|
---|
55 | * @param siostat siostatus struct, contains sio instance data, given by sio_open
|
---|
56 | */
|
---|
57 | void sio_change_baud( sioBaudrates baud, sio_status_t * siostat );
|
---|
58 |
|
---|
59 | #endif
|
---|
60 |
|
---|