72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
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// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdlib.h>
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#include <string.h>
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#include "esp_log.h"
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#include "esp_modem.h"
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/**
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* @brief Dummy DCE to facilitate testing lwip ppp client with ppp server
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*
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*/
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typedef struct {
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modem_dce_t parent; /*!< DCE parent class */
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} null_modem_dce_t;
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static esp_err_t null_dce_set_working_mode(modem_dce_t *dce, modem_mode_t mode)
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{
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dce->mode = mode;
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return ESP_OK;
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}
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static esp_err_t null_dce_define_pdp_context(modem_dce_t *dce, uint32_t cid, const char *type, const char *apn)
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{
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return ESP_OK;
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}
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esp_err_t null_dce_dce_hang_up(modem_dce_t *dce)
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{
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return ESP_OK;
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}
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static esp_err_t null_dce_deinit(modem_dce_t *dce)
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{
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null_modem_dce_t *bg96_dce = __containerof(dce, null_modem_dce_t, parent);
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if (dce->dte) {
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dce->dte->dce = NULL;
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}
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free(bg96_dce);
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return ESP_OK;
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}
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modem_dce_t *null_dce_init(modem_dte_t *dte)
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{
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if (!dte) return NULL;
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/* malloc memory for bg96_dce object */
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null_modem_dce_t *null_dce = calloc(1, sizeof(null_modem_dce_t));
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if (!null_dce) return NULL;
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/* Bind DTE with DCE */
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null_dce->parent.dte = dte;
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dte->dce = &(null_dce->parent);
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/* Bind methods */
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null_dce->parent.handle_line = NULL;
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null_dce->parent.define_pdp_context = null_dce_define_pdp_context;
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null_dce->parent.set_working_mode = null_dce_set_working_mode;
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null_dce->parent.deinit = null_dce_deinit;
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null_dce->parent.hang_up = null_dce_dce_hang_up;
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/* Sync between DTE and DCE */
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return &(null_dce->parent);
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}
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