This implemnts the feature to handle the unsolicited response received from the AG. In the hfp_hf.c file the unsolicited_cb function process it. Change-Id: I3ca6c8d4a1522d02f7160e2fe4ae1598cd93ce7e Signed-off-by: Sathish Narasimman <sathish.narasimman@intel.com>
87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
/** @file at.h
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* @brief Internal APIs for AT command handling.
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*/
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/*
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* Copyright (c) 2015-2016 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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enum at_result {
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AT_RESULT_OK,
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AT_RESULT_ERROR
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};
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enum at_state {
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AT_STATE_START,
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AT_STATE_START_CR,
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AT_STATE_START_LF,
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AT_STATE_GET_CMD_STRING,
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AT_STATE_PROCESS_CMD,
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AT_STATE_GET_RESULT_STRING,
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AT_STATE_PROCESS_RESULT,
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AT_STATE_UNSOLICITED_CMD,
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AT_STATE_END
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};
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enum at_cmd_state {
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AT_CMD_START,
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AT_CMD_GET_VALUE,
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AT_CMD_PROCESS_VALUE,
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AT_CMD_STATE_END_LF,
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AT_CMD_STATE_END
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};
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enum at_cmd_type {
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AT_CMD_TYPE_NORMAL,
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AT_CMD_TYPE_UNSOLICITED
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};
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struct at_client;
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/* Callback at_resp_cb_t used to parse response value received for the
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* particular AT command. Eg: +CIND=<value>
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*/
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typedef int (*at_resp_cb_t)(struct at_client *at, struct net_buf *buf);
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/* Callback at_finish_cb used to monitor the success or failure of the AT
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* command received from server
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*/
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typedef int (*at_finish_cb_t)(struct at_client *at, struct net_buf *buf,
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enum at_result result);
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typedef int (*parse_val_t)(struct at_client *at);
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typedef int (*handle_parse_input_t)(struct at_client *at, struct net_buf *buf);
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typedef int (*handle_cmd_input_t)(struct at_client *at, struct net_buf *buf,
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const char *prefix, parse_val_t func,
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enum at_cmd_type type);
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struct at_client {
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char *buf;
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uint8_t pos;
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uint8_t buf_max_len;
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uint8_t state;
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uint8_t cmd_state;
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at_resp_cb_t resp;
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at_resp_cb_t unsolicited;
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at_finish_cb_t finish;
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};
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/* Register the callback functions */
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void at_register(struct at_client *at, at_resp_cb_t resp,
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at_finish_cb_t finish);
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void at_register_unsolicited(struct at_client *at, at_resp_cb_t unsolicited);
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int at_get_number(struct at_client *at, uint32_t *val);
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/* This parsing will only works for non-fragmented net_buf */
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int at_parse_input(struct at_client *at, struct net_buf *buf);
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/* This command parsing will only works for non-fragmented net_buf */
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int at_parse_cmd_input(struct at_client *at, struct net_buf *buf,
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const char *prefix, parse_val_t func,
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enum at_cmd_type type);
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int at_check_byte(struct net_buf *buf, char check_byte);
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int at_list_get_range(struct at_client *at, uint32_t *min, uint32_t *max);
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int at_list_get_string(struct at_client *at, char *name, uint8_t len);
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int at_close_list(struct at_client *at);
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int at_open_list(struct at_client *at);
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int at_has_next_list(struct at_client *at);
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