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/* //device/system/reference-ril/atchannel.h
**
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#ifndef ATCHANNEL_H
#define ATCHANNEL_H 1
#ifdef __cplusplus
extern "C" {
#endif
/* define AT_DEBUG to send AT traffic to /tmp/radio-at.log" */
#define AT_DEBUG 0
#if AT_DEBUG
extern void AT_DUMP(const char* prefix, const char* buff, int len);
#else
#define AT_DUMP(prefix,buff,len) do{}while(0)
#endif
#define AT_ERROR_GENERIC (-1)
#define AT_ERROR_COMMAND_PENDING (-2)
#define AT_ERROR_CHANNEL_CLOSED (-3)
#define AT_ERROR_TIMEOUT (-4)
#define AT_ERROR_INVALID_THREAD (-5) /* AT commands may not be issued from
reader thread (or unsolicited response
callback */
#define AT_ERROR_INVALID_RESPONSE (-6) /* eg an at_send_command_singleline that
did not get back an intermediate
response */
typedef enum {
NO_RESULT, /* no intermediate response expected */
NUMERIC, /* a single intermediate response starting with a 0-9 */
SINGLELINE, /* a single intermediate response starting with a prefix */
MULTILINE /* multiple line intermediate response
starting with a prefix */
} ATCommandType;
/** a singly-lined list of intermediate responses */
typedef struct ATLine {
struct ATLine *p_next;
char *line;
} ATLine;
/** Free this with at_response_free() */
typedef struct {
int success; /* true if final response indicates
success (eg "OK") */
char *finalResponse; /* eg OK, ERROR */
ATLine *p_intermediates; /* any intermediate responses */
} ATResponse;
/**
* a user-provided unsolicited response handler function
* this will be called from the reader thread, so do not block
* "s" is the line, and "sms_pdu" is either NULL or the PDU response
* for multi-line TS 27.005 SMS PDU responses (eg +CMT:)
*/
typedef void (*ATUnsolHandler)(const char *s, const char *sms_pdu);
int at_open(int fd, ATUnsolHandler h);
void at_close();
/* This callback is invoked on the command thread.
You should reset or handshake here to avoid getting out of sync */
void at_set_on_timeout(void (*onTimeout)(void));
/* This callback is invoked on the reader thread (like ATUnsolHandler)
when the input stream closes before you call at_close
(not when you call at_close())
You should still call at_close()
It may also be invoked immediately from the current thread if the read
channel is already closed */
void at_set_on_reader_closed(void (*onClose)(void));
int at_send_command_singleline (const char *command,
const char *responsePrefix,
ATResponse **pp_outResponse);
int at_send_command_numeric (const char *command,
ATResponse **pp_outResponse);
int at_send_command_multiline (const char *command,
const char *responsePrefix,
ATResponse **pp_outResponse);
int at_handshake();
int at_send_command (const char *command, ATResponse **pp_outResponse);
int at_send_command_sms (const char *command, const char *pdu,
const char *responsePrefix,
ATResponse **pp_outResponse);
void at_response_free(ATResponse *p_response);
typedef enum {
CME_ERROR_NON_CME = -1,
CME_SUCCESS = 0,
CME_SIM_NOT_INSERTED = 10
} AT_CME_Error;
AT_CME_Error at_get_cme_error(const ATResponse *p_response);
#ifdef __cplusplus
}
#endif
#endif /*ATCHANNEL_H*/