[457] | 1 | #ifndef SIO_UNIX_H
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| 2 | #define SIO_UNIX_H
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| 3 |
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| 4 | #include "lwip/sys.h"
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| 5 | #include "lwip/netif.h"
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| 6 | #include "netif/fifo.h"
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| 7 | /*#include "netif/pppif.h"*/
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| 8 |
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| 9 | struct sio_status_s {
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| 10 | int fd;
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| 11 | fifo_t myfifo;
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| 12 | };
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| 13 |
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| 14 | /* BAUDRATE is defined in sio.c as it is implementation specific */
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| 15 | /** Baudrates */
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| 16 | typedef enum sioBaudrates {
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| 17 | SIO_BAUD_9600,
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| 18 | SIO_BAUD_19200,
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| 19 | SIO_BAUD_38400,
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| 20 | SIO_BAUD_57600,
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| 21 | SIO_BAUD_115200
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| 22 | } sioBaudrates;
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| 23 |
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| 24 | /**
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| 25 | * Poll for a new character from incoming data stream
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| 26 | * @param siostat siostatus struct, contains sio instance data, given by sio_open
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| 27 | * @return char read from input stream, or < 0 if no char was available
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| 28 | */
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| 29 | s16_t sio_poll(sio_status_t * siostat);
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| 30 |
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| 31 | /**
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| 32 | * Parse incoming characters until a string str is recieved, blocking call
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| 33 | * @param str zero terminated string to expect
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| 34 | * @param siostat siostatus struct, contains sio instance data, given by sio_open
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| 35 | */
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| 36 | void sio_expect_string(u8_t *str, sio_status_t * siostat);
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| 37 |
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| 38 | /**
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| 39 | * Write a char to output data stream
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| 40 | * @param str pointer to a zero terminated string
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| 41 | * @param siostat siostatus struct, contains sio instance data, given by sio_open
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| 42 | */
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| 43 | void sio_send_string(u8_t *str, sio_status_t * siostat);
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| 44 |
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| 45 | /**
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| 46 | * Flush outbuffer (send everything in buffer now), useful if some layer below is
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| 47 | * holding on to data, waitng to fill a buffer
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| 48 | * @param siostat siostatus struct, contains sio instance data, given by sio_open
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| 49 | */
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| 50 | void sio_flush( sio_status_t * siostat );
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| 51 |
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| 52 | /**
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| 53 | * Change baudrate of port, may close and reopen port
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| 54 | * @param baud new baudrate
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| 55 | * @param siostat siostatus struct, contains sio instance data, given by sio_open
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| 56 | */
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| 57 | void sio_change_baud( sioBaudrates baud, sio_status_t * siostat );
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| 58 |
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| 59 | #endif
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| 60 |
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