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https://github.com/espressif/esp-protocols.git
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503218b3ba
* BG96 needs a small pause between CMUX command reception and actual use of the CMUX mode * Correct CMUX payload reception to check FT_UIH message type (P/F flag could be cleared or set) Closes https://github.com/espressif/esp-protocols/issues/33
85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
// Copyright 2021 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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// 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 <unistd.h>
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#include "cxx_include/esp_modem_dte.hpp"
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#include "cxx_include/esp_modem_dce.hpp"
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#include "esp_log.h"
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namespace esp_modem {
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bool DCE_Mode::set(DTE *dte, ModuleIf *device, Netif &netif, modem_mode m)
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{
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switch (m) {
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case modem_mode::UNDEF:
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break;
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case modem_mode::COMMAND_MODE:
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if (mode == modem_mode::COMMAND_MODE) {
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return false;
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}
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netif.stop();
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if (!device->set_mode(modem_mode::COMMAND_MODE)) {
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return false;
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}
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dte->set_read_cb([&](uint8_t *data, size_t len) -> bool {
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ESP_LOG_BUFFER_HEXDUMP("esp-modem: debug_data", data, len, ESP_LOG_INFO);
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return false;
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});
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netif.wait_until_ppp_exits();
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dte->set_read_cb(nullptr);
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if (!dte->set_mode(modem_mode::COMMAND_MODE)) {
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return false;
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}
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mode = m;
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return true;
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case modem_mode::DATA_MODE:
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if (mode == modem_mode::DATA_MODE) {
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return false;
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}
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if (!device->setup_data_mode()) {
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return false;
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}
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if (!device->set_mode(modem_mode::DATA_MODE)) {
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return false;
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}
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if (!dte->set_mode(modem_mode::DATA_MODE)) {
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return false;
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}
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netif.start();
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mode = m;
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return true;
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case modem_mode::CMUX_MODE:
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if (mode == modem_mode::DATA_MODE || mode == modem_mode::CMUX_MODE) {
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return false;
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}
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device->set_mode(modem_mode::CMUX_MODE); // switch the device into CMUX mode
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usleep(100'000); // some devices need a few ms to switch
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if (!dte->set_mode(modem_mode::CMUX_MODE)) {
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return false;
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}
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mode = modem_mode::COMMAND_MODE;
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return true;
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}
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return false;
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}
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modem_mode DCE_Mode::get()
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{
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return mode;
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}
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} // esp_modem
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