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LibrePilot/flight/PiOS/inc/pios_com.h

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/**
******************************************************************************
* @addtogroup PIOS PIOS Core hardware abstraction layer
* @{
* @addtogroup PIOS_COM COM layer functions
* @brief Hardware communication layer
* @{
*
* @file pios_com.h
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* Parts by Thorsten Klose (tk@midibox.org)
* @brief COM layer functions header
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef PIOS_COM_H
#define PIOS_COM_H
struct pios_com_driver {
void (*init)(uint32_t id);
void (*set_baud)(uint32_t id, uint32_t baud);
int32_t (*tx_nb)(uint32_t id, const uint8_t *buffer, uint16_t len);
int32_t (*tx)(uint32_t id, const uint8_t *buffer, uint16_t len);
int32_t (*rx)(uint32_t id);
int32_t (*rx_avail)(uint32_t id);
};
/* Public Functions */
extern int32_t PIOS_COM_Init(uint32_t * com_id, const struct pios_com_driver * driver, const uint32_t lower_id);
extern int32_t PIOS_COM_ChangeBaud(uint32_t com_id, uint32_t baud);
extern int32_t PIOS_COM_SendCharNonBlocking(uint32_t com_id, char c);
extern int32_t PIOS_COM_SendChar(uint32_t com_id, char c);
extern int32_t PIOS_COM_SendBufferNonBlocking(uint32_t com_id, const uint8_t *buffer, uint16_t len);
extern int32_t PIOS_COM_SendBuffer(uint32_t com_id, const uint8_t *buffer, uint16_t len);
extern int32_t PIOS_COM_SendStringNonBlocking(uint32_t com_id, const char *str);
extern int32_t PIOS_COM_SendString(uint32_t com_id, const char *str);
extern int32_t PIOS_COM_SendFormattedStringNonBlocking(uint32_t com_id, const char *format, ...);
extern int32_t PIOS_COM_SendFormattedString(uint32_t com_id, const char *format, ...);
extern uint8_t PIOS_COM_ReceiveBuffer(uint32_t com_id);
extern int32_t PIOS_COM_ReceiveBufferUsed(uint32_t com_id);
#endif /* PIOS_COM_H */
/**
* @}
* @}
*/