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#pragma once
#include <SoftwareSerial.h>
#include <stddef.h>
#include <stdint.h>
constexpr auto MAX_NETWORK_MODULE_RESPONSE_LENGTH = 128U;
enum WifiMode
{
Station = 1,
SoftAP = 2,
SoftAPAndStation = 3
};
enum ResponseStatus
{
OK,
FAIL,
ERROR,
TIMEOUT
};
class WiFiModule
{
public:
WiFiModule(uint8_t receive_pin, uint8_t transmit_pin) noexcept;
void begin(size_t baudrate) noexcept;
int get_available() noexcept;
void reset() noexcept;
/**
* Connects to a wifi network.
*
* @param ssid The service set identifier of a wifi network.
* @param password The wifi network password.
*
* @returns Whether or not it succeeded.
*/
bool connect(const char *ssid, const char *password) noexcept;
void set_wifi_mode(WifiMode wifi_mode) noexcept;
void set_multiple_connections_enabled(bool is_enabled) noexcept;
void set_echo_enabled(bool is_enabled) noexcept;
void create_tcp_server(size_t port) noexcept;
/**
* Tests the connection to the wifi module.
*
* @returns Whether or not the test succeeded.
*/
bool test() noexcept;
/**
* Gets local IP address of the wifi module.
*
* @param local_ip_out Local IP output buffer.
*
* @returns A pointer to the local IP output buffer.
*/
const char *get_local_ip(char *local_ip_out) noexcept;
private:
SoftwareSerial _serial;
/**
* Sends a command to the wifi module.
*
* @param command A command without the "AT+" in the beginning.
*
* @returns Whether or not it succeeded.
*/
bool _send_serial(const char *command) noexcept;
/**
* Reads from the wifi module until it responds with a status.
*
* @param timeout Timeout in milliseconds.
* @param response_out Response output buffer.
*
* @returns The response status.
*
*/
ResponseStatus _read(uint64_t timeout, char *response_out) noexcept;
char _read_byte() noexcept;
};
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