experimental factory/builder

This commit is contained in:
David Cermak
2021-03-28 09:08:47 +02:00
parent c53487806b
commit 107e66ec01
7 changed files with 435 additions and 42 deletions

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@ -1,3 +1,5 @@
idf_component_register(SRCS "ap2pppos_example_main.c"
"modem_board.c"
"NetworkDCE.cpp"
INCLUDE_DIRS ".")
#target_compile_features(${COMPONENT_LIB} PRIVATE cxx_std_17)

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@ -0,0 +1,116 @@
//
// 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>
class NetModule;
typedef DCE_T<MinimalModule> NetDCE;
class NetModule: public ModuleIf {
public:
explicit NetModule(std::shared_ptr<DTE> dte):
dte(std::move(dte)) {}
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 ESP_FAIL;
vTaskDelay(pdMS_TO_TICKS(1000));
if (read_pin(is_pin_ok) != command_result::OK || !is_pin_ok)
return ESP_FAIL;
}
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, std::string apn_name, std::string pin_number)
{
apn = std::move(apn_name);
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;
// create
auto uart_dte = create_uart_dte(&dte_config);
esp_modem::DCE::Factory f(esp_modem::DCE::Modem::MinModule);
MinimalModule* module;
if (!f.build_module_T<MinimalModule>(module, uart_dte, netif)) {
return ESP_OK;
}
esp_modem::DCE::Factory f2(esp_modem::DCE::Modem::SIM7600);
// std::shared_ptr<MinimalModule> dev;
auto dev = f2.build_shared_module(uart_dte, netif);
// esp_modem::DCE::Builder<MinimalModule> factory(uart_dte, netif);
// dce = factory.create(apn_name);
// auto pdp = std::make_unique<PdpContext>(apn);
// auto dev = std::make_shared<MinimalModule>(uart_dte, std::move(pdp));
// auto dev = std::make_shared<MinimalModule>(uart_dte, nullptr);
// dce = new DCE_T<MinimalModule>(uart_dte, module, netif);
return 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;
static std::string apn;
static std::string pin;
template <typename ...T> command_result set_pdp_context(T&&... args) { return esp_modem::dce_commands::set_pdp_context(dte.get(),std::forward<T>(args)...); }
template <typename ...T> command_result set_pin(T&&... args) { return esp_modem::dce_commands::set_pin(dte.get(),std::forward<T>(args)...); }
template <typename ...T> command_result read_pin(T&&... args) { return esp_modem::dce_commands::read_pin(dte.get(),std::forward<T>(args)...); }
command_result set_data_mode() { return esp_modem::dce_commands::set_data_mode(dte.get()); }
command_result resume_data_mode() { return esp_modem::dce_commands::resume_data_mode(dte.get()); }
command_result set_command_mode() { return esp_modem::dce_commands::set_command_mode(dte.get()); }
};
NetDCE *NetModule::dce = nullptr;
std::string NetModule::apn;
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();
}

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@ -12,7 +12,6 @@
#include "esp_event.h"
#include "esp_log.h"
#include "nvs_flash.h"
#include "esp_modem.h"
#include "lwip/lwip_napt.h"
#include "freertos/FreeRTOS.h"
#include "freertos/event_groups.h"
@ -35,6 +34,7 @@ static void on_modem_event(void *arg, esp_event_base_t event_base,
if (event_id == IP_EVENT_PPP_GOT_IP) {
esp_netif_dns_info_t dns_info;
ip_event_got_ip_t *event = (ip_event_got_ip_t *)event_data;
esp_netif_t *netif = event->esp_netif;
@ -59,9 +59,6 @@ static void on_modem_event(void *arg, esp_event_base_t event_base,
ip_event_got_ip6_t *event = (ip_event_got_ip6_t *)event_data;
ESP_LOGI(TAG, "Got IPv6 address " IPV6STR, IPV62STR(event->ip6_info.ip));
}
} else if (event_base == ESP_MODEM_EVENT) {
ESP_LOGD(TAG, "Modem event! %d", event_id);
}
}
@ -125,7 +122,9 @@ void wifi_init_softap(void)
EXAMPLE_ESP_WIFI_SSID, EXAMPLE_ESP_WIFI_PASS, EXAMPLE_ESP_WIFI_CHANNEL);
}
esp_modem_dce_t *sim7600_board_create(esp_modem_dce_config_t *config);
esp_err_t modem_init_network(esp_netif_t *netif);
void modem_start_network();
void modem_stop_network();
void app_main(void)
{
@ -142,29 +141,32 @@ void app_main(void)
event_group = xEventGroupCreate();
// init the DTE
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_t dce_config = ESP_MODEM_DCE_DEFAULT_CONFIG("internet23");
dce_config.populate_command_list = true;
esp_netif_config_t ppp_netif_config = ESP_NETIF_DEFAULT_PPP();
esp_netif_t *ppp_netif = esp_netif_new(&ppp_netif_config);
assert(ppp_netif);
ESP_ERROR_CHECK(modem_init_network(ppp_netif));
// vTaskDelay(pdMS_TO_TICKS(1000));
// 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_t dce_config = ESP_MODEM_DCE_DEFAULT_CONFIG("internet23");
// dce_config.populate_command_list = true;
// Initialize esp-modem units, DTE, DCE, ppp-netif
esp_modem_dte_t *dte = esp_modem_dte_new(&dte_config);
esp_modem_dce_t *dce = sim7600_board_create(&dce_config);
esp_netif_t *ppp_netif = esp_netif_new(&ppp_netif_config);
assert(ppp_netif);
ESP_ERROR_CHECK(esp_modem_set_event_handler(dte, on_modem_event, ESP_EVENT_ANY_ID, dte));
ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, ESP_EVENT_ANY_ID, on_modem_event, dte));
ESP_ERROR_CHECK(esp_modem_default_attach(dte, dce, ppp_netif));
ESP_ERROR_CHECK(esp_modem_default_start(dte)); // use retry
ESP_ERROR_CHECK(esp_modem_start_ppp(dte));
// esp_modem_dte_t *dte = esp_modem_dte_new(&dte_config);
// esp_modem_dce_t *dce = sim7600_board_create(&dce_config);
//
// ESP_ERROR_CHECK(esp_modem_set_event_handler(dte, on_modem_event, ESP_EVENT_ANY_ID, dte));
ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, ESP_EVENT_ANY_ID, on_modem_event, NULL));
//
// ESP_ERROR_CHECK(esp_modem_default_attach(dte, dce, ppp_netif));
//
// ESP_ERROR_CHECK(esp_modem_default_start(dte)); // use retry
// ESP_ERROR_CHECK(esp_modem_start_ppp(dte));
modem_start_network();
/* Wait for the first connection */
EventBits_t bits;
do {
@ -186,8 +188,8 @@ void app_main(void)
/* Provide recovery if disconnection of some kind registered */
while (DISCONNECT_BIT&xEventGroupWaitBits(event_group, DISCONNECT_BIT, pdTRUE, pdFALSE, portMAX_DELAY)) {
// restart the modem PPP mode
ESP_ERROR_CHECK(esp_modem_stop_ppp(dte));
ESP_ERROR_CHECK(esp_modem_start_ppp(dte));
modem_stop_network();
modem_start_network();
}
}

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@ -0,0 +1,261 @@
//
// Created by david on 3/28/21.
//
#ifndef AP_TO_PPPOS_ESP_MODEM_DCE_FACTORY_HPP
#define AP_TO_PPPOS_ESP_MODEM_DCE_FACTORY_HPP
namespace esp_modem::DCE {
class FactoryHelper {
public:
static std::unique_ptr<PdpContext> create_pdp_context(std::string &apn);
template <typename T, typename ...Args>
static bool make(T* &t, Args&&... args)
{
t = new T(std::forward<Args>(args)...);
return true;
}
template <typename T, typename ...Args>
static bool make(std::shared_ptr<T> &t, Args&&... args)
{
t = std::make_shared<T>(std::forward<Args>(args)...);
return true;
}
template <typename T, typename ...Args>
static bool make(std::unique_ptr<T> &t, Args&&... args)
{
t = std::unique_ptr<T>(std::forward<Args>(args)...);
return true;
}
// template <typename T, typename ...Args>
// static T* make(Args&&... args)
// {
// return new T(std::forward<Args>(args)...);
// }
// template <typename T, typename ...Args>
// static std::shared_ptr<T> make(Args&&... args)
// {
// return std::make_shared<T>(std::forward<Args>(args)...);
// }
// template <typename T, typename ...Args>
// static std::unique_ptr<T> make(Args&&... args)
// {
// return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
// }
};
template<typename T>
class Builder {
public:
explicit Builder(std::shared_ptr<DTE> dte): dte(std::move(dte))
{
esp_netif_config_t netif_config = ESP_NETIF_DEFAULT_PPP();
netif = esp_netif_new(&netif_config);
throw_if_false(netif != nullptr, "Cannot create default PPP netif");
}
Builder(std::shared_ptr<DTE> dte, esp_netif_t* esp_netif): dte(std::move(dte)), module(nullptr), netif(esp_netif)
{
throw_if_false(netif != nullptr, "Null netif");
}
Builder(std::shared_ptr<DTE> dte, esp_netif_t* esp_netif, std::shared_ptr<T> dev): dte(std::move(dte)), module(std::move(dev)), netif(esp_netif)
{
throw_if_false(netif != nullptr, "Null netif");
}
~Builder()
{
throw_if_false(netif == nullptr, "Netif created but never used");
throw_if_false(dte == nullptr, "dte was captured but never used");
}
DCE_T<T>* create(std::string &apn)
{
return create_dce(dte, netif, apn);
}
template<typename U>
bool create_module(U &t, std::string &apn)
{
auto pdp = FactoryHelper::create_pdp_context(apn);
// t = new T(std::move(dte), std::move(pdp));
return FactoryHelper::make<T>(t, std::move(dte), std::move(pdp));
return true;
}
// bool create_module(std::shared_ptr<T> &t, std::string &apn)
// {
// auto pdp = FactoryHelper::create_pdp_context(apn);
// t = std::make_shared<T>(std::move(dte), std::move(pdp));
// return true;
// }
template<typename U, typename V>
U create_device(std::string &apn)
{
auto pdp = FactoryHelper::create_pdp_context(apn);
return FactoryHelper::make<V>(std::move(dte), std::move(pdp));
}
T* create_dev(std::string &apn)
{
auto pdp = FactoryHelper::create_pdp_context(apn);
return new T(std::move(dte), std::move(pdp));
}
std::shared_ptr<T> create_shared_dev(std::string &apn)
{
auto pdp = FactoryHelper::create_pdp_context(apn);
return std::make_shared<T>(std::move(dte), std::move(pdp));
}
static DCE_T<T>* create_dce_from_module(const std::shared_ptr<DTE>& dte, const std::shared_ptr<T>& dev, esp_netif_t *netif)
{
return new DCE_T<T>(dte, dev, netif);
}
static std::unique_ptr<DCE_T<T>> create_unique_dce_from_module(const std::shared_ptr<DTE>& dte, const std::shared_ptr<T>& dev, esp_netif_t *netif)
{
return std::unique_ptr<DCE_T<T>>(new DCE_T<T>(dte, dev, netif));
}
static std::shared_ptr<T> create_module(const std::shared_ptr<DTE>& dte, std::string &apn)
{
auto pdp = FactoryHelper::create_pdp_context(apn);
return std::make_shared<T>(dte, std::move(pdp));
}
static std::unique_ptr<DCE_T<T>> create_unique_dce(const std::shared_ptr<DTE>& dte, esp_netif_t *netif, std::string &apn)
{
auto module = create_module(dte, apn);
return create_unique_dce_from_module(dte, std::move(module), netif);
}
static DCE_T<T>* create_dce(const std::shared_ptr<DTE>& dte, esp_netif_t *netif, std::string &apn)
{
auto module = create_module(dte, apn);
return create_dce_from_module(dte, std::move(module), netif);
}
private:
std::shared_ptr<DTE> dte;
std::shared_ptr<T> module;
esp_netif_t *netif;
};
enum class Modem {
SIM800,
SIM7600,
BG96,
MinModule
};
class Factory {
public:
explicit Factory(Modem modem): m(modem) {}
template <typename T, typename ...Args>
T* create(Builder<T> b, std::string apn)
{
return b.create_dev(apn);
}
template <typename T, typename ...Args>
std::shared_ptr<T> create(Builder<T> b, std::string apn)
{
return b.create_shared_dev(apn);
}
template <typename T, typename U, typename ...Args>
// std::shared_ptr<T> build_module_T(Args&&... args)
// bool build_module_T(std::shared_ptr<T> &t, Args&&... args)
bool build_module_T(U &t, Args&&... args)
{
Builder<T> b(std::forward<Args>(args)...);
std::string apn = "internet";
return b.create_module(t, apn);
// return b.create_shared_dev(apn);
}
// template <typename T, typename ...Args>
// T* build_module_T(Args&&... args)
// {
// Builder<T> b(std::forward<Args>(args)...);
// std::string apn = "internet";
// return b.create_dev(apn);
// }
template <typename T, typename U, typename ...Args>
T build_module_T(Args&&... args)
{
// Builder<U> b(std::forward<Args>(args)...);
// std::string apn = "internet";
// return b.template create_device<T>(apn);
T module;
if (build_module_T<U>(module, std::forward<Args>(args)...))
return module;
return nullptr;
}
template <typename T, typename ...Args>
T build_module_xxT(Args&&... args)
{
T generic_module = nullptr;
switch (m) {
case Modem::MinModule:
break;
case Modem::SIM7600: {
SIM7600 *module;
if (build_module_T<SIM7600>(module, std::forward<Args>(args)...))
generic_module = module;
break;
}
case Modem::SIM800: {
SIM800 *module;
if (build_module_T<SIM800>(module, std::forward<Args>(args)...))
generic_module = module;
break;
}
case Modem::BG96: {
BG96 *module;
if (build_module_T<BG96>(module, std::forward<Args>(args)...))
generic_module = module;
break;
}
}
return generic_module;
}
template <typename T, typename ...Args>
std::shared_ptr<T> build_shared_module_specific(Args&&... args)
{
return build_module_T<std::shared_ptr<T>, T>(std::forward<Args>(args)...);
}
template <typename ...Args>
std::shared_ptr<GenericModule> build_shared_module(Args&&... args)
{
// Builder<GenericModule> b(std::forward<Args>(args)...);
// std::string apn = "internet";
// return b.template create_device<GenericModule, std::shared_ptr<GenericModule>>(apn);
return build_shared_module_specific<SIM7600>(std::forward<Args>(args)...);
}
private:
Modem m;
};
} // esp_modem
#endif //AP_TO_PPPOS_ESP_MODEM_DCE_FACTORY_HPP

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@ -8,9 +8,9 @@
enum class command_result;
class DTE;
class GenericModule: public ModuleIf {
class MinimalModule: public ModuleIf {
public:
explicit GenericModule(std::shared_ptr<DTE> dte, std::unique_ptr<PdpContext> pdp):
explicit MinimalModule(std::shared_ptr<DTE> dte, std::unique_ptr<PdpContext> pdp):
dte(std::move(dte)), pdp(std::move(pdp)) {}
bool setup_data_mode() override
@ -36,20 +36,31 @@ public:
return true;
}
#define ESP_MODEM_DECLARE_DCE_COMMAND(name, return_type, TEMPLATE_ARG, MUX_ARG, ...) \
virtual return_type name(__VA_ARGS__);
DECLARE_ALL_COMMAND_APIS(virtual return_type name(...); )
#undef ESP_MODEM_DECLARE_DCE_COMMAND
template <typename ...T> command_result set_echo(T&&... args) { return esp_modem::dce_commands::set_echo(dte.get(),std::forward<T>(args)...); }
template <typename ...T> command_result set_pdp_context(T&&... args) { return esp_modem::dce_commands::set_pdp_context(dte.get(),std::forward<T>(args)...); }
template <typename ...T> command_result set_data_mode(T&&... args) { return esp_modem::dce_commands::set_data_mode(dte.get(),std::forward<T>(args)...); }
template <typename ...T> command_result resume_data_mode(T&&... args) { return esp_modem::dce_commands::resume_data_mode(dte.get(),std::forward<T>(args)...); }
template <typename ...T> command_result set_command_mode(T&&... args) { return esp_modem::dce_commands::set_command_mode(dte.get(),std::forward<T>(args)...); }
template <typename ...T> command_result set_cmux(T&&... args) { return esp_modem::dce_commands::set_cmux(dte.get(),std::forward<T>(args)...); }
protected:
std::shared_ptr<DTE> dte;
std::unique_ptr<PdpContext> pdp;
};
class GenericModule: public MinimalModule {
using MinimalModule::MinimalModule;
public:
#define ESP_MODEM_DECLARE_DCE_COMMAND(name, return_type, TEMPLATE_ARG, MUX_ARG, ...) \
virtual return_type name(__VA_ARGS__);
DECLARE_ALL_COMMAND_APIS(virtual return_type name(...);)
#undef ESP_MODEM_DECLARE_DCE_COMMAND
};
// Definitions of other modules
class SIM7600: public GenericModule {
using GenericModule::GenericModule;
@ -64,6 +75,7 @@ public:
};
class BG96: public GenericModule {
using GenericModule::GenericModule;
public:
command_result get_module_name(std::string& name) override;
};

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@ -33,7 +33,7 @@ esp_err_t Netif::esp_modem_dte_transmit(void *h, void *buffer, size_t len)
{
Netif *ppp = (Netif*)h;
if (ppp->signal.is_any(PPP_STARTED)) {
std::cout << "sending data " << len << std::endl;
// std::cout << "sending data " << len << std::endl;
if (ppp->ppp_dte->write((uint8_t*)buffer, len) > 0) {
return ESP_OK;
}
@ -66,7 +66,7 @@ esp_err_t Netif::esp_modem_post_attach(esp_netif_t * esp_netif, void * args)
void Netif::receive(uint8_t *data, size_t len)
{
if (signal.is_any(PPP_STARTED)) {
std::cout << "received data " << len << std::endl;
// std::cout << "received data " << len << std::endl;
esp_netif_receive(driver.base.netif, data, len, nullptr);
}
}

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@ -191,10 +191,10 @@ void uart_terminal::task()
}
switch (event.type) {
case UART_DATA:
ESP_LOGI(TAG, "UART_DATA");
// ESP_LOGI(TAG, "UART_DATA");
// ESP_LOG_BUFFER_HEXDUMP("esp-modem-pattern: debug_data", esp_dte->buffer, length, ESP_LOG_DEBUG);
uart_get_buffered_data_len(uart.port, &len);
ESP_LOGI(TAG, "UART_DATA len=%d, on_data=%d", len, (bool)on_data);
// ESP_LOGI(TAG, "UART_DATA len=%d, on_data=%d", len, (bool)on_data);
if (len && on_data_priv) {
if (on_data_priv(len)) {
on_data_priv = nullptr;