GRBL-Advanced/Libraries/GrIP/ComIf.h

90 wiersze
2.0 KiB
C

/*
ComIf.h - Communication Interface
Copyright (c) 2018-2019 Patrick F.
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 program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef COMMUNICATIONINTERFACE_H_INCLUDED
#define COMMUNICATIONINTERFACE_H_INCLUDED
#include <stdint.h>
#define IF_USB 0
#define IF_ETH 1
#ifdef __cplusplus
extern "C" {
#endif
/** \brief Initialize communication interface.
*
* \param sock Socket number of TCP server.
* \return None.
*
*/
void ComIf_Init(uint8_t interface, uint8_t sock);
/** \brief Deinitalize communication interface.
*
* \return None.
*
*/
void ComIf_DeInit(void);
/** \brief Transmit data.
*
* \param data Data array to transmit.
* \param len Length of data array in bytes.
* \return 0 if success.
*
*/
uint8_t ComIf_Send(uint8_t *data, uint16_t len);
/** \brief Get data from communication interface.
*
* \param data Pointer where to store the data.
* \param len Max number of bytes to read.
* \return Number of read bytes. 0 if no bytes were read.
*
*/
uint16_t ComIf_Receive(uint8_t *data, uint16_t len);
/** \brief Return if data is available.
*
* \return Number of bytes available.
*
*/
uint16_t ComIf_DataAvailable(void);
/** \brief Cyclic update function. Gets data from hardware interface and stores it in internal buffer. Should be called periodically.
*
* \return None.
*
*/
void ComIf_Update(void);
#ifdef __cplusplus
}
#endif
#endif // COMMUNICATIONINTERFACE_H_INCLUDED