lpwa_communication_controller.h

#ifndef D63F93CA_3220_48F0_B31D_F85061E24947
#define D63F93CA_3220_48F0_B31D_F85061E24947

#include "simple_mqtt_client_controller.h"

extern "C"
{
#include "esp_modem_config.h"
}

#include "cxx_include/esp_modem_api.hpp"
#include "cxx_include/esp_modem_dte.hpp"

class LpwaCommunicationController
{
    enum class ENetworkMode
    {
        CAT_M            = 1,
        NB_IoT           = 2,
        CAT_M_AND_NB_IoT = 3
    };

#if USE_LTE_M
    constexpr static int PREFERRED_NETWORK_MODE = static_cast<int>(ENetworkMode::CAT_M);
#elif USE_NB_IOT
    constexpr static int PREFERRED_NETWORK_MODE = static_cast<int>(ENetworkMode::NB_IoT);
#endif // USE_LTE_M

    constexpr static char NB_IOT_STRING[] = "NB-IoT";
    constexpr static char LTE_M_STRING[]  = "CAT-M";

    constexpr static int NB_IOT_BANDS[] = {1, 20};
    constexpr static int LTE_M_BANDS[]  = {3, 20};


    constexpr static int GPIO_LEVEL_HIGH = 1;
    constexpr static int GPIO_LEVEL_LOW  = 0;

    constexpr static int                   LPWA_UART_BAUDRATE       = 115200;
    constexpr static uart_word_length_t    LPWA_UART_DATABITS       = UART_DATA_8_BITS;
    constexpr static uart_stop_bits_t      LPWA_UART_STOP_BITS      = UART_STOP_BITS_1;
    constexpr static uart_parity_t         LPWA_UART_PARITY         = UART_PARITY_DISABLE;
    constexpr static esp_modem_flow_ctrl_t LPWA_UART_FLOW_CONTROL   = ESP_MODEM_FLOW_CONTROL_NONE;
    constexpr static int                   LPWA_UART_QUEUE_SIZE     = 30;
    constexpr static int                   LPWA_UART_RX_BUFFER_SIZE = 4096;
    constexpr static int                   LPWA_UART_TX_BUFFER_SIZE = 512;

    constexpr static int LPWA_DTE_STACK_SIZE  = 6144;
    constexpr static int LPWA_DTE_BUFFER_SIZE = 512;

    constexpr static int LPWA_NO_SIGNAL_VALUE   = 99;
    constexpr static int LPWA_WEAK_SIGNAL_VALUE = 9;

public:
    void        runTask();
    static void run(void* pObject);
    void        _run();

    void init();
    void ipEventCallback(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data);
    void pppStatusEventCallback(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data);

private:
    void powerKeyGpioInit();
    void modulePowerOn();
    void perform();

    TaskHandle_t                    m_taskHandle;
    esp_modem_dte_config_t          m_dteConfig;
    std::shared_ptr<esp_modem::DTE> m_dte;
    esp_modem_dce_config_t          m_dceConfig;
    std::unique_ptr<esp_modem::DCE> m_dce;
    EventGroupHandle_t              m_eventGroup;
    SimpleMqttClientController      m_simpleMqttClientController;
};

#endif /* D63F93CA_3220_48F0_B31D_F85061E24947 */