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fix(modem): Fixed mode transitions between any state and UNDEF

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Closes https://github.com/espressif/esp-protocols/issues/320
This commit is contained in:
David Cermak
2023-11-02 20:47:02 +01:00
parent 7c5a832821
commit 93cb2caadb
3 changed files with 28 additions and 8 deletions
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15
components/esp_modem/src/esp_modem_dce.cpp
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -96,6 +96,11 @@ bool DCE_Mode::set_unsafe(DTE *dte, ModuleIf *device, Netif &netif, modem_mode m
{
switch (m) {
case modem_mode::UNDEF:
if (!dte->set_mode(m)) {
return false;
}
mode = m;
return true;
case modem_mode::DUAL_MODE: // Only DTE can be in Dual mode
break;
case modem_mode::COMMAND_MODE:
@ -151,7 +156,7 @@ bool DCE_Mode::set_unsafe(DTE *dte, ModuleIf *device, Netif &netif, modem_mode m
mode = modem_mode::CMUX_MANUAL_MODE;
return true;
case modem_mode::CMUX_MANUAL_EXIT:
if (mode != modem_mode::CMUX_MANUAL_MODE) {
if (mode != modem_mode::CMUX_MANUAL_MODE && mode != modem_mode::UNDEF) {
return false;
}
if (!dte->set_mode(m)) {
@ -160,7 +165,7 @@ bool DCE_Mode::set_unsafe(DTE *dte, ModuleIf *device, Netif &netif, modem_mode m
mode = modem_mode::COMMAND_MODE;
return true;
case modem_mode::CMUX_MANUAL_SWAP:
if (mode != modem_mode::CMUX_MANUAL_MODE) {
if (mode != modem_mode::CMUX_MANUAL_MODE && mode != modem_mode::UNDEF) {
return false;
}
if (!dte->set_mode(m)) {
@ -168,12 +173,12 @@ bool DCE_Mode::set_unsafe(DTE *dte, ModuleIf *device, Netif &netif, modem_mode m
}
return true;
case modem_mode::CMUX_MANUAL_DATA:
if (mode != modem_mode::CMUX_MANUAL_MODE) {
if (mode != modem_mode::CMUX_MANUAL_MODE && mode != modem_mode::UNDEF) {
return false;
}
return transitions::enter_data(*dte, *device, netif);
case modem_mode::CMUX_MANUAL_COMMAND:
if (mode != modem_mode::CMUX_MANUAL_MODE) {
if (mode != modem_mode::CMUX_MANUAL_MODE && mode != modem_mode::UNDEF) {
return false;
}
return transitions::exit_data(*dte, *device, netif);