5 files changed, 0 insertions, 536 deletions
diff --git a/src/gymnasiearbete.cpp b/src/gymnasiearbete.cpp
deleted file mode 100644
index 0e1adb5..0000000
--- a/src/gymnasiearbete.cpp
+++ /dev/null
@@ -1,69 +0,0 @@
-#include "secrets.hpp"
-#include "wifi_module.hpp"
-
-#include <Arduino.h>
-#include <SoftwareSerial.h>
-#include <string.h>
-
-constexpr auto BAUDRATE = 9600U;
-
-constexpr auto NETWORK_MODULE_RX_PIN = 3;
-constexpr auto NETWORK_MODULE_TX_PIN = 2;
-
-auto wifi_module = WiFiModule(NETWORK_MODULE_RX_PIN, NETWORK_MODULE_TX_PIN);
-
-void setup()
-{
-	Serial.begin(BAUDRATE);
-
-	pinMode(NETWORK_MODULE_RX_PIN, INPUT);
-	pinMode(NETWORK_MODULE_TX_PIN, OUTPUT);
-
-	wifi_module.begin(BAUDRATE);
-
-	wifi_module.reset();
-
-	delay(1000);
-
-	auto wifi_module_connected = wifi_module.test();
-
-	Serial.print("Wifi module connected: ");
-	Serial.println(wifi_module_connected ? "Yes" : "No");
-
-	if (!wifi_module_connected)
-	{
-		while (true)
-		{
-		}
-	}
-
-	wifi_module.set_echo_enabled(false);
-
-	delay(1000);
-
-	const auto wifi_connect_success = wifi_module.connect(WIFI_SSID, WIFI_PASSWORD);
-
-	if (wifi_connect_success)
-	{
-		Serial.print("Connected to wifi network '");
-		Serial.print(WIFI_SSID);
-		Serial.println("' successfully");
-	}
-	else
-	{
-		Serial.print("Failed to connect to wifi network '");
-		Serial.print(WIFI_SSID);
-		Serial.println("'");
-	}
-
-	wifi_module.set_wifi_mode(WifiMode::Station);
-
-	delay(3000);
-
-	char local_ip[MAX_NETWORK_MODULE_RESPONSE_LENGTH] = "";
-
-	Serial.print("IP address: ");
-	Serial.println(wifi_module.get_local_ip(local_ip));
-}
-
-void loop() {}
diff --git a/src/util.cpp b/src/util.cpp
deleted file mode 100644
index f587781..0000000
--- a/src/util.cpp
+++ /dev/null
@@ -1,35 +0,0 @@
-#include "util.hpp"
-
-namespace util
-{
-
-bool str_ends_with(const char *str, const char *other_str) noexcept
-{
-	if (str == nullptr || other_str == nullptr)
-	{
-		return false;
-	}
-
-	auto str_length = strlen(str);
-	auto other_str_length = strlen(other_str);
-
-	if (other_str_length > str_length)
-	{
-		return false;
-	}
-
-	return strncmp(str + str_length - other_str_length, other_str, other_str_length) == 0;
-}
-
-void substr(const char *str, const char *end, char *dest) noexcept
-{
-	auto *dest_head = dest;
-
-	for (const char *char_ptr = str; char_ptr + 1 != end; ++char_ptr)
-	{
-		*dest_head = *char_ptr;
-		dest_head++;
-	}
-}
-
-} // namespace util
diff --git a/src/util.hpp b/src/util.hpp
deleted file mode 100644
index d6f7f1c..0000000
--- a/src/util.hpp
+++ /dev/null
@@ -1,27 +0,0 @@
-#pragma once
-
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-
-namespace util
-{
-
-template <typename Type>
-Type *malloc(size_t size) noexcept
-{
-	return static_cast<Type *>(::malloc(size));
-}
-
-bool str_ends_with(const char *str, const char *other_str) noexcept;
-
-/**
- * Extracts a portion of a string.
- *
- * @param str The target string.
- * @param end A pointer to a place inside the target string.
- * @param dest Output buffer.
- */
-void substr(const char *str, const char *end, char *dest) noexcept;
-
-} // namespace util
diff --git a/src/wifi_module.cpp b/src/wifi_module.cpp
deleted file mode 100644
index 2e25dc9..0000000
--- a/src/wifi_module.cpp
+++ /dev/null
@@ -1,312 +0,0 @@
-#include "wifi_module.hpp"
-
-#include "util.hpp"
-
-#include <Arduino.h>
-#include <string.h>
-
-WiFiModule::WiFiModule(uint8_t receive_pin, uint8_t transmit_pin) noexcept
-	: _serial(receive_pin, transmit_pin)
-{
-}
-
-void WiFiModule::begin(size_t baudrate) noexcept
-{
-	_serial.begin(baudrate);
-}
-
-int WiFiModule::get_available() noexcept
-{
-	return _serial.available();
-}
-
-void WiFiModule::reset() noexcept
-{
-	_send_serial("AT+RST");
-
-	char response[MAX_NETWORK_MODULE_RESPONSE_LENGTH] = "";
-
-	const auto response_status = _read(2000U, response);
-
-	Serial.println(
-		response_status == ResponseStatus::OK ? "Reset wifi module"
-											  : "Failed to reset wifi module"
-	);
-}
-
-bool WiFiModule::connect(const char *ssid, const char *password) noexcept
-{
-	const char cmd[] = "AT+CWJAP";
-
-	auto command_length = strlen(cmd) + strlen(ssid) + strlen(password) + 6U + 1U;
-
-	auto *command = util::malloc<char>(command_length);
-
-	if (command == nullptr)
-	{
-		Serial.println("Memory allocation failed for creating full connection command");
-		return false;
-	}
-
-	snprintf(command, command_length, "%s=\"%s\",\"%s\"", cmd, ssid, password);
-
-	const auto send_success = _send_serial(command);
-
-	if (!send_success)
-	{
-		Serial.println("Failed to send connection command");
-		return false;
-	}
-
-	free(command);
-
-	char response[MAX_NETWORK_MODULE_RESPONSE_LENGTH] = "";
-
-	const auto response_status = _read(20000U, response);
-
-	if (response_status != ResponseStatus::OK)
-	{
-		Serial.print("Connection command responded with status ");
-		Serial.println(response_status);
-		return false;
-	}
-
-	return true;
-}
-
-void WiFiModule::set_wifi_mode(WifiMode wifi_mode) noexcept
-{
-	const char cmd[] = "AT+CWMODE_CUR";
-
-	auto command_length = strlen(cmd) + 2U + 1U;
-
-	auto *command = util::malloc<char>(command_length);
-
-	snprintf(command, command_length, "%s=%u", cmd, static_cast<int>(wifi_mode));
-
-	_send_serial(command);
-
-	free(command);
-
-	char response[MAX_NETWORK_MODULE_RESPONSE_LENGTH] = "";
-
-	_read(1500U, response);
-}
-
-void WiFiModule::set_multiple_connections_enabled(bool is_enabled) noexcept
-{
-	const char cmd[] = "AT+CIPMUX";
-
-	auto command_length = strlen(cmd) + 2U + 1U;
-
-	auto *command = util::malloc<char>(command_length);
-
-	snprintf(command, command_length, "%s=%u", cmd, is_enabled ? 1U : 0U);
-
-	_send_serial(command);
-
-	free(command);
-
-	char response[MAX_NETWORK_MODULE_RESPONSE_LENGTH] = "";
-
-	_read(1500U, response);
-
-	// Serial.println(response);
-}
-
-void WiFiModule::set_echo_enabled(bool is_enabled) noexcept
-{
-	const char cmd[] = "ATE";
-
-	auto command_length = strlen(cmd) + 1U + 1U;
-
-	auto *command = util::malloc<char>(command_length);
-
-	snprintf(command, command_length, "%s%u", cmd, is_enabled ? 1U : 0U);
-
-	_send_serial(command);
-
-	free(command);
-
-	char response[MAX_NETWORK_MODULE_RESPONSE_LENGTH] = "";
-
-	const auto response_status = _read(1500U, response);
-
-	if (response_status == ResponseStatus::OK)
-	{
-		Serial.print("Turned ");
-		Serial.print(is_enabled ? "on" : "off");
-		Serial.println(" AT commands echo");
-	}
-	else
-	{
-		Serial.print("Failed to turn ");
-		Serial.print(is_enabled ? "on" : "off");
-		Serial.println(" AT commands echo");
-	}
-}
-
-void WiFiModule::create_tcp_server(size_t port) noexcept
-{
-	const auto cmd = "AT+CIPSERVER";
-
-	auto command_length = strlen(cmd) + 7U + 1U;
-
-	auto *command = util::malloc<char>(command_length);
-
-	snprintf(command, command_length, "%s=1,%u", cmd, port);
-
-	_send_serial(command);
-
-	free(command);
-
-	char response[MAX_NETWORK_MODULE_RESPONSE_LENGTH] = "";
-
-	_read(1500U, response);
-
-	// Serial.println(response);
-}
-
-bool WiFiModule::test() noexcept
-{
-	const auto send_success = _send_serial("AT");
-
-	if (!send_success)
-	{
-		return false;
-	}
-
-	char response[MAX_NETWORK_MODULE_RESPONSE_LENGTH] = "";
-
-	const auto response_status = _read(5000U, response);
-
-	if (response_status == ResponseStatus::TIMEOUT)
-	{
-		return false;
-	}
-
-	return strcmp(response, "") != 0;
-}
-
-const char *WiFiModule::get_local_ip(char *local_ip_out) noexcept
-{
-	const auto command = "AT+CIFSR";
-
-	const auto send_success = _send_serial(command);
-
-	if (!send_success)
-	{
-		return local_ip_out;
-	}
-
-	auto *buf = util::malloc<char>(strlen(local_ip_out));
-
-	if (buf == nullptr)
-	{
-		strcpy(local_ip_out, "Memory allocation failure");
-		return local_ip_out;
-	}
-
-	const auto response_status = _read(10000U, buf);
-
-	if (response_status != ResponseStatus::OK)
-	{
-		free(buf);
-
-		sprintf(
-			local_ip_out,
-			"Response status was not OK. Was %d",
-			static_cast<int>(response_status)
-		);
-
-		return local_ip_out;
-	}
-
-	const auto *local_ip_end = strstr(buf, "\r\n+CIFSR:STAMAC");
-
-	if (local_ip_end == nullptr)
-	{
-		free(buf);
-		strcpy(local_ip_out, "Response parsing error");
-		return local_ip_out;
-	}
-
-	const auto staip_title_length = 16U; // The length of '+CIFSR:STAIP,"'
-
-	util::substr(buf + staip_title_length, local_ip_end, local_ip_out);
-
-	free(buf);
-
-	return local_ip_out;
-}
-
-bool WiFiModule::_send_serial(const char *command) noexcept
-{
-	auto full_command_length = strlen(command) + 2U + 1U;
-
-	auto *full_command = util::malloc<char>(full_command_length);
-
-	if (full_command == nullptr)
-	{
-		return false;
-	}
-
-	snprintf(full_command, full_command_length, "%s\r\n", command);
-
-	_serial.print(full_command);
-
-	// Serial.print("Sent command: ");
-	// Serial.println(full_command);
-
-	free(full_command);
-
-	return true;
-}
-
-ResponseStatus WiFiModule::_read(uint64_t timeout, char *response_out) noexcept
-{
-	const auto start_time = millis();
-
-	bool has_end = false;
-	auto status = ResponseStatus::TIMEOUT;
-
-	// auto *response_out_head = response_out;
-
-	while (!has_end && (start_time + timeout) > millis())
-	{
-		while (_serial.available() != 0)
-		{
-			char character = _read_byte();
-
-			strncat(response_out, &character, 1U);
-
-			// *response_out_head = character;
-			// response_out_head++;
-
-			if (util::str_ends_with(response_out, "OK"))
-			{
-				status = ResponseStatus::OK;
-				has_end = true;
-			}
-
-			if (util::str_ends_with(response_out, "ERROR"))
-			{
-				status = ResponseStatus::ERROR;
-				has_end = true;
-			}
-
-			if (util::str_ends_with(response_out, "FAIL"))
-			{
-				status = ResponseStatus::FAIL;
-				has_end = true;
-			}
-		}
-	}
-
-	return status;
-}
-
-char WiFiModule::_read_byte() noexcept
-{
-	return static_cast<char>(_serial.read());
-}
diff --git a/src/wifi_module.hpp b/src/wifi_module.hpp
deleted file mode 100644
index 5a4148c..0000000
--- a/src/wifi_module.hpp
+++ /dev/null
@@ -1,93 +0,0 @@
-#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;
-};