add some code

managed_components/78__esp-ml307/include/at_modem.h

@@ -0,0 +1,99 @@
+#ifndef _AT_MODEM_H_
+#define _AT_MODEM_H_
+
+#include <cstddef>
+#include <string>
+#include <vector>
+#include <list>
+#include <functional>
+#include <mutex>
+#include <memory>
+#include <freertos/FreeRTOS.h>
+#include <freertos/task.h>
+#include <freertos/queue.h>
+#include <freertos/event_groups.h>
+#include <driver/gpio.h>
+#include <driver/uart.h>
+#include "at_uart.h"
+#include "network_interface.h"
+
+#define AT_EVENT_PIN_ERROR      BIT2
+#define AT_EVENT_NETWORK_ERROR  BIT3
+#define AT_EVENT_NETWORK_READY  BIT4
+
+enum class NetworkStatus {
+    ErrorInsertPin = -1,
+    ErrorRegistrationDenied = -2,
+    ErrorTimeout = -3,
+    Ready = 0,
+    Error = 1,
+};
+
+struct CeregState {
+    int stat = 0;          // <stat>
+    std::string tac;        // <tac>
+    std::string ci;         // <ci>
+    int AcT = -1;           // <AcT>
+
+    std::string ToString() const {
+        std::string json = "{";
+        json += "\"stat\":" + std::to_string(stat);
+        if (!tac.empty()) json += ",\"tac\":\"" + tac + "\"";
+        if (!ci.empty()) json += ",\"ci\":\"" + ci + "\"";
+        if (AcT >= 0) json += ",\"AcT\":" + std::to_string(AcT);
+        json += "}";
+        return json;
+    }
+};
+
+class AtModem : public NetworkInterface {
+public:
+    // 静态检测方法
+    static std::unique_ptr<AtModem> Detect(gpio_num_t tx_pin, gpio_num_t rx_pin, gpio_num_t dtr_pin = GPIO_NUM_NC, int baud_rate = 115200);
+    
+    // 构造函数和析构函数
+    AtModem(std::shared_ptr<AtUart> at_uart);
+    virtual ~AtModem();
+    std::shared_ptr<AtUart> GetAtUart() { return at_uart_; }
+    void OnNetworkStateChanged(std::function<void(bool network_ready)> callback);
+
+    // 网络状态管理
+    virtual void Reboot();
+    virtual NetworkStatus WaitForNetworkReady(int timeout_ms = -1);
+    virtual bool SetSleepMode(bool enable, int delay_seconds=0);
+    virtual void SetFlightMode(bool enable);
+
+    // 模组信息获取
+    std::string GetImei();
+    std::string GetIccid();
+    std::string GetModuleRevision();
+    CeregState GetRegistrationState();
+    std::string GetCarrierName();
+    int GetCsq();
+
+    // 状态查询
+    bool pin_ready() const { return pin_ready_; }
+    bool network_ready() const { return network_ready_; }
+
+protected:
+    std::shared_ptr<AtUart> at_uart_;
+    std::mutex mutex_;
+    std::string iccid_;
+    std::string imei_;
+    std::string carrier_name_;
+    std::string module_revision_;
+    int csq_ = -1;
+    bool pin_ready_ = true;
+    bool network_ready_ = false;
+
+    gpio_num_t dtr_pin_;
+    EventGroupHandle_t event_group_handle_ = nullptr;
+
+    CeregState cereg_state_;
+
+    virtual void HandleUrc(const std::string& command, const std::vector<AtArgumentValue>& arguments);
+
+    std::function<void(bool network_state)> on_network_state_changed_;
+};
+
+#endif // _AT_MODEM_H_