Files
esp-protocols/esp_modem/examples/ap_to_pppos/main/NetworkDCE.cpp
2021-10-04 11:32:54 +02:00

116 lines
3.8 KiB
C++

//
// Created by david on 3/25/21.
//
#include "cxx_include/esp_modem_dte.hpp"
#include "esp_modem_config.h"
#include "cxx_include/esp_modem_api.hpp"
#include "cxx_include/esp_modem_dce_factory.hpp"
#include <memory>
#include <utility>
using namespace esp_modem;
using namespace esp_modem::dce_factory;
class NetModule;
typedef DCE_T<NetModule> NetDCE;
class NetDCE_Factory: public Factory {
public:
template <typename T, typename ...Args>
static DCE_T<T>* create(const config *cfg, Args&&... args)
{
return build_generic_DCE< /* Object to create */ DCE_T<T>, /* vanilla pointer */ DCE_T<T> *, /* module */ T>
(cfg, std::forward<Args>(args)...);
}
};
class NetModule: public ModuleIf {
public:
explicit NetModule(std::shared_ptr<DTE> dte, const esp_modem_dce_config *cfg):
dte(std::move(dte)), apn(std::string(cfg->apn)) {}
bool setup_data_mode() override
{
set_command_mode(); // send in case we were in PPP mode, ignore potential failure
bool is_pin_ok;
if (read_pin(is_pin_ok) != command_result::OK)
return false;
if (!is_pin_ok) {
if (set_pin(pin) != command_result::OK)
return false;
vTaskDelay(pdMS_TO_TICKS(1000));
if (read_pin(is_pin_ok) != command_result::OK || !is_pin_ok)
return false;
}
PdpContext pdp(apn);
if (set_pdp_context(pdp) != command_result::OK)
return false;
return true;
}
bool set_mode(modem_mode mode) override
{
if (mode == modem_mode::DATA_MODE) {
if (set_data_mode() != command_result::OK)
return resume_data_mode() == command_result::OK;
return true;
}
if (mode == modem_mode::COMMAND_MODE) {
return set_command_mode() == command_result::OK;
}
return false;
}
static esp_err_t init(esp_netif_t *netif, const std::string& apn, std::string pin_number)
{
// configure
pin = std::move(pin_number);
esp_modem_dte_config_t dte_config = ESP_MODEM_DTE_DEFAULT_CONFIG();
dte_config.event_task_stack_size = 4096;
dte_config.rx_buffer_size = 16384;
dte_config.tx_buffer_size = 2048;
esp_modem_dce_config dce_config = ESP_MODEM_DCE_DEFAULT_CONFIG(apn.c_str());
// create DTE and minimal network DCE
auto uart_dte = create_uart_dte(&dte_config);
dce = NetDCE_Factory::create<NetModule>(&dce_config, uart_dte, netif);
return dce == nullptr ? ESP_FAIL : ESP_OK;
}
static void deinit() { delete dce; }
static void start() { dce->set_data(); }
static void stop() { dce->exit_data(); }
private:
static NetDCE *dce;
std::shared_ptr<DTE> dte;
std::string apn;
static std::string pin;
template <typename ...T> command_result set_pdp_context(T&&... args) { return dce_commands::set_pdp_context(dte.get(),std::forward<T>(args)...); }
template <typename ...T> command_result set_pin(T&&... args) { return dce_commands::set_pin(dte.get(),std::forward<T>(args)...); }
template <typename ...T> command_result read_pin(T&&... args) { return dce_commands::read_pin(dte.get(),std::forward<T>(args)...); }
command_result set_data_mode() { return dce_commands::set_data_mode(dte.get()); }
command_result resume_data_mode() { return dce_commands::resume_data_mode(dte.get()); }
command_result set_command_mode() { return dce_commands::set_command_mode(dte.get()); }
};
NetDCE *NetModule::dce = nullptr;
std::string NetModule::pin;
extern "C" esp_err_t modem_init_network(esp_netif_t *netif)
{
return NetModule::init(netif, "internet", "1234");
}
extern "C" void modem_start_network()
{
NetModule::start();
}
extern "C" void modem_stop_network()
{
NetModule::stop();
}