MicroAPRS/bertos/drv/usbser.h

81 lines
2.5 KiB
C

/**
* \file
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*
* \author Andrea Righi <arighi@develer.com>
*
* \brief Generic USB serial device driver.
*
* This driver exports a USB-serial converter. It provides a KFile interface
* to access the data.
* \attention The API is work in progress and may change in future versions.
*
* $WIZ$ module_name = "usbser"
* $WIZ$ module_configuration = "bertos/cfg/cfg_usbser.h"
* $WIZ$ module_depends = "usb"
*/
#ifndef USBSER_H
#define USBSER_H
#include <io/kfile.h>
typedef uint32_t usbser_status_t;
typedef struct USBSerial
{
/** KFile structure implementation **/
KFile fd;
/** Logical port number */
unsigned int unit;
#ifdef _DEBUG
/** Used for debugging only */
bool is_open;
#endif
/** Holds the status flags. Set to 0 when no errors have occurred. */
usbser_status_t status;
} USBSerial;
/**
* ID for usb-serial.
*/
#define KFT_USB_SERIAL MAKE_ID('U', 'S', 'B', 'S')
INLINE USBSerial *USB_SERIAL_CAST(KFile *fd)
{
ASSERT(fd->_type == KFT_USB_SERIAL);
return (USBSerial *)fd;
}
int usbser_init(struct USBSerial *fds, int unit);
#endif /* USBSER_H */