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modem_sync and start/stop ppp

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oarcher 2024-08-01 01:11:15 +02:00
parent 72119838d9
commit 5bc6cd8a17
2 changed files with 95 additions and 165 deletions
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254
esphome/components/modem/modem_component.cpp
View file

@ -136,23 +136,14 @@ void ModemComponent::setup() {
nullptr);
ESPHL_ERROR_CHECK(err, "IP event handler register error");
// if (!this->power_transition_) {
// this->create_dte_dce_();
// }
// if (this->enabled_ && !this->get_power_status()) {
// ESP_LOGI(TAG, "Powering up modem");
//
// this->poweron_();
//}
// App.feed_wdt();
this->modem_lazy_init_();
ESP_LOGV(TAG, "Setup finished");
}
void ModemComponent::create_dte_dce_() {
void ModemComponent::modem_lazy_init_() {
// destroy previous dte/dce, and recreate them.
// destroying them seems to be the only way to have a clear state after hang up, and be able to reconnect.
// no communication is done with the modem. s
this->dte_.reset();
this->dce.reset();
@ -199,53 +190,54 @@ void ModemComponent::create_dte_dce_() {
// ESP_LOGD(TAG, "set_flow_control OK");
// }
if (this->enabled_) {
if (!this->watchdog_)
this->watchdog_ = std::make_shared<watchdog::WatchdogManager>(60000);
ESP_LOGV(TAG, "DTE and CDE created");
}
// check modem is ready after dte and dce init.
if (!this->modem_ready()) {
// Try to exit CMUX_MANUAL_DATA or DATA_MODE, if any
ESP_LOGD(TAG, "Connecting to the the modem...");
bool ModemComponent::modem_sync_() {
// force command mode, check sim, and send init_at commands
// close cmux/data if needed, and may reboot the modem.
// This is needed at boot.
if (!this->watchdog_)
this->watchdog_ = std::make_shared<watchdog::WatchdogManager>(60000);
uint32_t start_ms = millis();
std::string result;
bool status = this->modem_ready();
if (!status) {
// Try to exit CMUX_MANUAL_DATA or DATA_MODE, if any
ESP_LOGD(TAG, "Connecting to the the modem...");
auto command_mode_ = [this]() -> bool {
ESP_LOGVV(TAG, "trying command mode");
this->dce->set_mode(modem_mode::UNDEF);
return this->dce->set_mode(modem_mode::COMMAND_MODE) && this->modem_ready();
};
uint32_t start_ms = millis();
std::string result;
auto cmux_command_mode_ = [this]() -> bool {
ESP_LOGVV(TAG, "trying cmux command mode");
return this->dce->set_mode(modem_mode::CMUX_MANUAL_MODE) &&
this->dce->set_mode(modem_mode::CMUX_MANUAL_COMMAND) && this->modem_ready();
};
auto command_mode_ = [this]() -> bool {
ESP_LOGVV(TAG, "trying command mode");
this->dce->set_mode(modem_mode::UNDEF);
return this->dce->set_mode(modem_mode::COMMAND_MODE) && this->modem_ready();
};
// The cmux state is supposed to be the same before the reboot. But if it has changed (new firwmare), we will try
// to fallback to inverted cmux state.
bool status;
if (this->cmux_) {
status = cmux_command_mode_() || (command_mode_() && cmux_command_mode_());
} else {
status = command_mode_() || (cmux_command_mode_() && command_mode_());
}
auto cmux_command_mode_ = [this]() -> bool {
ESP_LOGVV(TAG, "trying cmux command mode");
return this->dce->set_mode(modem_mode::CMUX_MANUAL_MODE) &&
this->dce->set_mode(modem_mode::CMUX_MANUAL_COMMAND) && this->modem_ready();
};
uint32_t elapsed_ms = millis() - start_ms;
if (!status) {
ESP_LOGW(TAG, "modem not responding after %" PRIu32 "ms", elapsed_ms);
if (this->power_pin_) {
ESP_LOGD(TAG, "Trying to power cycle the modem");
this->poweroff_();
}
} else {
ESP_LOGD(TAG, "Connected to the modem in %" PRIu32 "ms", elapsed_ms);
}
// The cmux state is supposed to be the same before the reboot. But if it has changed (new firwmare), we will try
// to fallback to inverted cmux state.
if (this->cmux_) {
status = cmux_command_mode_() || (command_mode_() && cmux_command_mode_());
} else {
status = command_mode_() || (cmux_command_mode_() && command_mode_());
}
if (this->modem_ready()) {
uint32_t elapsed_ms = millis() - start_ms;
if (!status) {
ESP_LOGW(TAG, "modem not responding after %" PRIu32 "ms", elapsed_ms);
if (this->power_pin_) {
ESP_LOGD(TAG, "Trying to power cycle the modem");
this->poweroff_();
}
} else {
ESP_LOGD(TAG, "Connected to the modem in %" PRIu32 "ms", elapsed_ms);
this->send_init_at_();
if (!this->prepare_sim_()) {
// fatal error
@ -253,7 +245,7 @@ void ModemComponent::create_dte_dce_() {
}
}
}
ESP_LOGV(TAG, "DTE and CDE created");
return status;
}
bool ModemComponent::prepare_sim_() {
@ -298,47 +290,47 @@ void ModemComponent::send_init_at_() {
}
}
bool ModemComponent::start_connect_() {
bool ModemComponent::start_ppp_() {
this->connect_begin_ = millis();
this->status_set_warning("Starting connection");
this->watchdog_ = std::make_shared<watchdog::WatchdogManager>(60000);
// will be set to true on event IP_EVENT_PPP_GOT_IP
this->got_ipv4_address_ = false;
// esp_event_post(IP_EVENT, IP_EVENT_PPP_LOST_IP, nullptr, 0, 0);
this->dump_dce_status_();
if (this->cmux_) {
ESP_LOGD(TAG, "Entering CMUX mode");
this->dce->set_mode(modem_mode::CMUX_MANUAL_MODE);
if (this->dce->set_mode(modem_mode::CMUX_MANUAL_DATA)) {
ESP_LOGD(TAG, "Modem has correctly entered multiplexed command/data mode");
ESP_LOGD(TAG, "Asking the modem to enter PPP");
} else {
ESP_LOGE(TAG, "Unable to enter CMUX mode");
// if (this->dce->set_mode(modem_mode::CMUX_MANUAL_COMMAND)) {
// ESP_LOGD(TAG, "Switched to command mode");
// }
this->poweroff_();
return false;
// ESPMODEM_ERROR_CHECK(this->dce->hang_up(), "Unable to hang up modem. Trying to continue anyway.");
// this->status_set_error("Unable to enter CMUX mode");
}
assert(this->modem_ready());
bool status = false;
if (cmux_) {
this->dce->set_mode(modem_mode::CMUX_MANUAL_MODE);
status = this->dce->set_mode(modem_mode::CMUX_MANUAL_DATA) && this->modem_ready();
} else {
ESP_LOGD(TAG, "Entering DATA mode");
if (this->dce->set_mode(modem_mode::DATA_MODE)) {
ESP_LOGD(TAG, "Modem has correctly entered data mode");
} else {
ESP_LOGE(TAG, "Unable to enter DATA mode");
this->status_set_error("Unable to enter DATA mode");
this->poweroff_();
return false;
}
assert(!this->modem_ready());
status = this->dce->set_mode(modem_mode::DATA_MODE);
}
return true;
if (!status) {
ESP_LOGE(TAG, "Unable to change modem mode to PPP");
this->poweroff_();
}
return status;
}
bool ModemComponent::stop_ppp_() {
bool status = false;
if (this->cmux_) {
status = this->dce->set_mode(modem_mode::CMUX_MANUAL_COMMAND);
} else {
// assert(this->dce->set_mode(modem_mode::COMMAND_MODE)); // OK on 7600, nok on 7670...
status = this->dce->set_mode(modem_mode::COMMAND_MODE);
}
if (!status) {
ESP_LOGE(TAG, "Error exiting PPP");
}
return status;
}
void ModemComponent::ip_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data) {
@ -419,25 +411,26 @@ void ModemComponent::loop() {
next_loop_millis = millis() + 1000; // delay for next loop
}
} else {
if (!this->watchdog_)
this->watchdog_ = std::make_shared<watchdog::WatchdogManager>(60000);
// want to start connect, make sure the modem is ready
if (!this->modem_ready() && !this->modem_sync_()) {
ESP_LOGE(TAG, "Modem not responding");
this->state_ = ModemComponentState::NOT_RESPONDING;
break;
}
if (is_network_attached_()) {
network_attach_retry = 10;
if (this->start_connect_()) {
if (this->start_ppp_()) {
connecting = true;
next_loop_millis = millis() + 1000; // delay for next loop
// this->state_ = ModemComponentState::CONNECTING;
} else if (!this->modem_ready()) {
if (this->power_pin_) {
this->poweron_();
} else {
this->state_ = ModemComponentState::NOT_RESPONDING;
}
}
} else {
ESP_LOGD(TAG, "Waiting for the modem to be attached to a network (left retries: %" PRIu8 ")",
network_attach_retry);
network_attach_retry--;
if (network_attach_retry == 0) {
ESP_LOGE(TAG, "modem is uanble to attach to a network");
ESP_LOGE(TAG, "modem is unable to attach to a network");
if (this->power_pin_) {
this->poweroff_();
} else {
@ -457,29 +450,6 @@ void ModemComponent::loop() {
}
break;
// case ModemComponentState::CONNECTING:
// if (!this->start_) {
// ESP_LOGI(TAG, "Stopped modem connection");
// this->state_ = ModemComponentState::DISCONNECTED;
// } else if (this->connected_) {
// ESP_LOGI(TAG, "Connected via Modem");
// this->state_ = ModemComponentState::CONNECTED// ;
// this->dump_connect_params_();
// this->status_clear_warning();
// this->watchdog_.reset()// ;
// } else if (millis() - this->connect_begin_ > 15000) {
// ESP_LOGW(TAG, "Connecting via Modem failed! Re-connecting...");
// this->state_ = ModemComponentState::DISCONNECTED;
// } else {
// // ESP_LOGD(TAG, "Connecting...");
// App.feed_wdt();
// App.get_app_state();
// // yield();
// }
// break;
case ModemComponentState::CONNECTED:
if (this->enabled_) {
if (!this->connected_) {
@ -494,18 +464,12 @@ void ModemComponent::loop() {
ip_lost_retries = 10;
this->watchdog_ = std::make_shared<watchdog::WatchdogManager>(60000);
ESP_LOGD(TAG, "Disconnecting...");
this->dump_connect_params_();
if (this->cmux_) {
assert(this->dce->set_mode(modem_mode::CMUX_MANUAL_COMMAND));
} else {
// assert(this->dce->set_mode(modem_mode::COMMAND_MODE)); // OK on 7600, nok on 7670...
this->dce->set_mode(modem_mode::COMMAND_MODE);
}
this->stop_ppp_();
delay(200); // NOLINT
ESP_LOGD(TAG, "Hanging up connection after %.1fmin", float(this->connect_begin_) / (1000 * 60));
ESPMODEM_ERROR_CHECK(this->dce->hang_up(),
"Unable to hang up modem. Trying to continue anyway."); // FIXME: needed ?
this->dump_connect_params_();
// ESPMODEM_ERROR_CHECK(this->dce->hang_up(),
// "Unable to hang up modem. Trying to continue anyway."); // FIXME: needed ?
// this->dump_connect_params_();
} else {
// disconnecting
// Waiting for IP_EVENT_PPP_LOST_IP.
@ -536,43 +500,6 @@ void ModemComponent::loop() {
}
break;
// case ModemComponentState::DISCONNECTING:
// if (this->start_) {
// if (this->connected_) {
// // watchdog::WatchdogManager wdt(60000);
// ESP_LOGD(TAG, "Going to hang up...");
// this->dump_connect_params_();
// if (this->cmux_) {
// assert(this->dce->set_mode(modem_mode::CMUX_MANUAL_COMMAND));
// } else {
// // assert(this->dce->set_mode(modem_mode::COMMAND_MODE)); // OK on 7600, nok on 7670...
// this->dce->set_mode(modem_mode::COMMAND_MODE);
// }
// delay(200); // NOLINT
// ESP_LOGD(TAG, "Hanging up connection after %.1fmin", float(this->connect_begin_) / (1000 * 60));
// ESPMODEM_ERROR_CHECK(this->dce->hang_up(), "Unable to hang up modem. Trying to continue anyway.");
// this->dump_connect_params_();
// }
// this->start_ = false;
// } else if (!this->connected_) {
// // ip lost as expected
// this->cancel_timeout("wait_lost_ip");
// ESP_LOGI(TAG, "Modem disconnected");
// this->dump_connect_params_();
// this->state_ = ModemComponentState::DISCONNECTED;
// } else {
// // Waiting for IP_EVENT_PPP_LOST_IP.
// // This can take a long time, so we ckeck the IP addr, and trigger the event manualy if it's null.
// esp_netif_ip_info_t ip_info;
// esp_netif_get_ip_info(this->ppp_netif_, &ip_info);
// if (ip_info.ip.addr == 0) {
// // lost IP
// esp_event_post(IP_EVENT, IP_EVENT_PPP_LOST_IP, nullptr, 0, 0);
// }
// }
//
// break;
case ModemComponentState::DISABLED:
if (this->enabled_) {
this->state_ = ModemComponentState::DISCONNECTED;
@ -634,8 +561,9 @@ void ModemComponent::poweron_() {
// use a timout for long wait delay
ESP_LOGD(TAG, "Will check that the modem is on in %.1fs...", float(USE_MODEM_POWER_TONUART) / 1000);
this->set_timeout("wait_poweron", USE_MODEM_POWER_TONUART, [this]() {
ESP_LOGD(TAG, "DTE/DCE init after poweron");
this->create_dte_dce_();
// TODO: check modem is able to respond
// ESP_LOGD(TAG, "DTE/DCE init after poweron");
// this->create_dte_dce_();
delay(500); // NOLINT
App.feed_wdt();
if (!this->modem_ready()) {

6
esphome/components/modem/modem_component.h
View file

@ -71,11 +71,13 @@ class ModemComponent : public Component {
std::unique_ptr<DCE> dce{nullptr};
protected:
void create_dte_dce_(); // (re)create dte and dce
void modem_lazy_init_();
bool modem_sync_();
bool prepare_sim_();
void send_init_at_();
bool is_network_attached_();
bool start_connect_();
bool start_ppp_();
bool stop_ppp_();
void poweron_();
void poweroff_();
static void ip_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data);