49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
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#ifndef _SERIAL_DEV_H
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#define _SERIAL_DEV_H
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#include <stddef.h>
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#if defined(WINDOWS) || defined(WIN32) || defined(_WIN32)
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#define IS_WINDOWS
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#define DEFAULT_SERIAL_NAME "\\\\.\\COM3"
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#else
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#include <unistd.h>
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#include <termios.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#define IS_POSIX
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#define DEFAULT_SERIAL_NAME "/dev/ttyACM0"
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#endif
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/* these are available on all platforms */
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#include <errno.h>
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#include <stdio.h>
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typedef struct {
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const char* port;
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unsigned baud;
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#ifdef IS_WINDOWS
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HANDLE handle;
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#else
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int fd;
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#endif
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} serial_dev_t;
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/* returns 0 if OK */
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int serial_dev_create(serial_dev_t *dev, const char* port, unsigned baud);
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/* returns 0 if OK */
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int serial_dev_open(serial_dev_t *dev);
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/* returns -1 on write error */
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int serial_dev_write(serial_dev_t *dev, const void* data, size_t len);
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/* returns -1 on read error */
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int serial_dev_read(serial_dev_t *dev, void* data, size_t len);
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/* returns -1 on reset error */
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int serial_dev_do_dtr_reset(serial_dev_t *dev);
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/* returns -1 on flush error */
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int serial_dev_flush_rx(serial_dev_t *dev);
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/* returns -1 on close error */
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int serial_dev_close(serial_dev_t *dev);
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#endif
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