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/****************************************************************************
* apps/system/i2c/i2ctool.h
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __APPS_SYSTEM_I2C_I2CTOOLS_H
#define __APPS_SYSTEM_I2C_I2CTOOLS_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#include <errno.h>
/****************************************************************************
* Definitions
****************************************************************************/
/* This is the maximum number of arguments that will be accepted for a command */
#define MAX_ARGUMENTS 6
/* Maximum size of one command line */
#define MAX_LINELEN 80
/* Output is via printf but can be changed using this macro */
#ifdef CONFIG_CPP_HAVE_VARARGS
# define i2c_output(v, fmt...) printf(v, ##fmt)
#else
# define i2c_output printf
#endif
/****************************************************************************
* Public Types
****************************************************************************/
typedef int (*cmd_t)(FAR void *handle, int argc, char **argv);
struct cmdmap_s
{
const char *cmd; /* Name of the command */
cmd_t handler; /* Function that handles the command */
uint8_t minargs; /* Minimum number of arguments (including command) */
uint8_t maxargs; /* Maximum number of arguments (including command) */
const char *usage; /* Usage instructions for 'help' command */
};
/****************************************************************************
* Public Data
****************************************************************************/
extern const char g_syntax[];
extern const char g_fmtargrequired[];
extern const char g_fmtarginvalid[];
extern const char g_fmtargrange[];
extern const char g_fmtcmdnotfound[];
extern const char g_fmtnosuch[];
extern const char g_fmttoomanyargs[];
extern const char g_fmtcmdfailed[];
extern const char g_fmtcmdoutofmemory[];
extern const char g_fmtinternalerror[];
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/* Message handler */
ssize_t i2ctool_write(FAR void *handle, FAR const void *buffer, size_t nbytes);
int i2ctool_printf(FAR void *handle, const char *fmt, ...);
/* Command handlers */
extern int cmd_detect(FAR void *handle, int argc, char **argv);
extern int cmd_dump(FAR void *handle, int argc, char **argv);
extern int cmd_get(FAR void *handle, int argc, char **argv);
extern int cmd_set(FAR void *handle, int argc, char **argv);
#endif /* __APPS_SYSTEM_I2C_I2CTOOLS_H */
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