119 lines
3.6 KiB
C
119 lines
3.6 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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AT_RESULT_CME_ERROR
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};
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enum at_cme {
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CME_ERROR_AG_FAILURE = 0,
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CME_ERROR_NO_CONNECTION_TO_PHONE = 1,
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CME_ERROR_OPERATION_NOT_ALLOWED = 3,
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CME_ERROR_OPERATION_NOT_SUPPORTED = 4,
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CME_ERROR_PH_SIM_PIN_REQUIRED = 5,
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CME_ERROR_SIM_NOT_INSERTED = 10,
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CME_ERROR_SIM_PIN_REQUIRED = 11,
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CME_ERROR_SIM_PUK_REQUIRED = 12,
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CME_ERROR_SIM_FAILURE = 13,
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CME_ERROR_SIM_BUSY = 14,
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CME_ERROR_INCORRECT_PASSWORD = 16,
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CME_ERROR_SIM_PIN2_REQUIRED = 17,
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CME_ERROR_SIM_PUK2_REQUIRED = 18,
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CME_ERROR_MEMORY_FULL = 20,
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CME_ERROR_INVALID_INDEX = 21,
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CME_ERROR_MEMORY_FAILURE = 23,
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CME_ERROR_TEXT_STRING_TOO_LONG = 24,
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CME_ERROR_INVALID_CHARS_IN_TEXT_STRING = 25,
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CME_ERROR_DIAL_STRING_TO_LONG = 26,
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CME_ERROR_INVALID_CHARS_IN_DIAL_STRING = 27,
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CME_ERROR_NO_NETWORK_SERVICE = 30,
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CME_ERROR_NETWORK_TIMEOUT = 31,
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CME_ERROR_NETWORK_NOT_ALLOWED = 32,
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CME_ERROR_UNKNOWN = 33,
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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_PROCESS_AG_NW_ERR,
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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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AT_CMD_TYPE_OTHER
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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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* Argument 'cme_err' is valid only when argument 'result' is equal to
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* AT_RESULT_CME_ERROR
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*/
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typedef int (*at_finish_cb_t)(struct at_client *at, enum at_result result,
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enum at_cme cme_err);
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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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u8_t pos;
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u8_t buf_max_len;
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u8_t state;
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u8_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, u32_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, u32_t *min, u32_t *max);
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int at_list_get_string(struct at_client *at, char *name, u8_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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