From 0c200c78991e50bbe4329aee7b418210563833cb Mon Sep 17 00:00:00 2001
From: byun <nulav@naver.com>
Date: Thu, 13 Nov 2025 04:13:13 +0000
Subject: [PATCH] 2

---
 test_i2c_reset/ESP32_CAN_Logger.ino | 480 ----------------------------
 1 file changed, 480 deletions(-)

diff --git a/test_i2c_reset/ESP32_CAN_Logger.ino b/test_i2c_reset/ESP32_CAN_Logger.ino
index 0db5681..5ed794c 100644
--- a/test_i2c_reset/ESP32_CAN_Logger.ino
+++ b/test_i2c_reset/ESP32_CAN_Logger.ino
@@ -25,7 +25,6 @@
 #include "graph.h"
 #include "graph_viewer.h"
 #include "settings.h"
-#include "serial_terminal.h"
 
 // GPIO 핀 정의
 #define CAN_INT_PIN 27
@@ -47,10 +46,6 @@
 #define RTC_SCL 26
 #define DS3231_ADDRESS 0x68
 
-// Serial2 핀 (RS232 통신)
-#define SERIAL2_RX 16
-#define SERIAL2_TX 17
-
 // 버퍼 설정
 #define CAN_QUEUE_SIZE 2000  // 1000 → 2000으로 증가
 #define FILE_BUFFER_SIZE 16384  // 8192 → 16384 (16KB)로 증가
@@ -58,8 +53,6 @@
 #define RECENT_MSG_COUNT 100
 #define MAX_TX_MESSAGES 20
 #define MAX_COMMENT_LEN 128
-#define SERIAL_BUFFER_SIZE 1024
-#define SERIAL_LOG_BUFFER_SIZE 32768
 
 // RTC 동기화 설정
 #define RTC_SYNC_INTERVAL_MS 60000  // 1분마다 RTC와 동기화
@@ -126,29 +119,6 @@ struct FileComment {
     char comment[MAX_COMMENT_LEN];
 };
 
-// Serial 설정 구조체
-struct SerialTermConfig {
-    uint32_t baudRate;
-    uint8_t dataBits;
-    uint8_t parity;
-    uint8_t stopBits;
-    bool enabled;
-    bool echoEnabled;
-    bool timestampEnabled;
-    bool autoSaveEnabled;
-    char logFilename[MAX_FILENAME_LEN];
-};
-
-// 시리얼 데이터 버퍼
-struct SerialDataBuffer {
-    char data[SERIAL_LOG_BUFFER_SIZE];
-    uint32_t writeIndex;
-    uint32_t readIndex;
-    bool overflow;
-    SemaphoreHandle_t mutex;
-};
-
-
 // 시간 동기화 상태
 struct TimeSyncStatus {
     bool synchronized;
@@ -203,24 +173,6 @@ WebServer server(80);
 WebSocketsServer webSocket = WebSocketsServer(81);
 Preferences preferences;
 
-// 시리얼 터미널 전역 변수
-SerialTermConfig serialTermConfig = {
-    9600, 8, 0, 1, false, true, true, false, "serial_log.txt"
-};
-SerialDataBuffer serialBuffer;
-WebSocketsServer serialWebSocket = WebSocketsServer(82);
-QueueHandle_t serialQueue;
-TaskHandle_t serialTaskHandle = NULL;
-File serialLogFile;
-volatile uint32_t serialRxCount = 0;
-volatile uint32_t serialTxCount = 0;
-volatile uint32_t serialRxPerSecond = 0;
-volatile uint32_t serialTxPerSecond = 0;
-uint32_t lastSerialCountTime = 0;
-uint32_t lastSerialRxCount = 0;
-uint32_t lastSerialTxCount = 0;
-
-
 // Forward declaration
 void IRAM_ATTR canISR();
 
@@ -323,9 +275,6 @@ void loadSettings() {
     if (enableSTAMode && strlen(staSSID) > 0) {
         Serial.printf("✓ WiFi STA 모드: 활성화 (SSID: %s)\n", staSSID);
     }
-    
-    // 시리얼 설정 로드
-    loadSerialSettings();
 }
 
 void saveSettings() {
@@ -356,430 +305,6 @@ void saveSettings() {
     Serial.println("⚠️  재부팅 후 WiFi 설정이 적용됩니다.");
 }
 
-
-// ========================================
-// 시리얼 터미널 함수들
-// ========================================
-
-void loadSerialSettings() {
-    preferences.begin("serial-term", false);
-    
-    serialTermConfig.baudRate = preferences.getUInt("baud", 9600);
-    serialTermConfig.dataBits = preferences.getUChar("databits", 8);
-    serialTermConfig.parity = preferences.getUChar("parity", 0);
-    serialTermConfig.stopBits = preferences.getUChar("stopbits", 1);
-    serialTermConfig.enabled = preferences.getBool("enabled", false);
-    serialTermConfig.echoEnabled = preferences.getBool("echo", true);
-    serialTermConfig.timestampEnabled = preferences.getBool("timestamp", true);
-    serialTermConfig.autoSaveEnabled = preferences.getBool("autosave", false);
-    preferences.getString("logfile", serialTermConfig.logFilename, sizeof(serialTermConfig.logFilename));
-    
-    if (strlen(serialTermConfig.logFilename) == 0) {
-        strcpy(serialTermConfig.logFilename, "serial_log.txt");
-    }
-    
-    preferences.end();
-    
-    Serial.printf("✓ 시리얼 설정 로드: %d-%d-%c-%d\n", 
-        serialTermConfig.baudRate, 
-        serialTermConfig.dataBits,
-        serialTermConfig.parity == 0 ? 'N' : (serialTermConfig.parity == 1 ? 'E' : 'O'),
-        serialTermConfig.stopBits);
-}
-
-void saveSerialSettings() {
-    preferences.begin("serial-term", false);
-    
-    preferences.putUInt("baud", serialTermConfig.baudRate);
-    preferences.putUChar("databits", serialTermConfig.dataBits);
-    preferences.putUChar("parity", serialTermConfig.parity);
-    preferences.putUChar("stopbits", serialTermConfig.stopBits);
-    preferences.putBool("enabled", serialTermConfig.enabled);
-    preferences.putBool("echo", serialTermConfig.echoEnabled);
-    preferences.putBool("timestamp", serialTermConfig.timestampEnabled);
-    preferences.putBool("autosave", serialTermConfig.autoSaveEnabled);
-    preferences.putString("logfile", serialTermConfig.logFilename);
-    
-    preferences.end();
-    
-    Serial.println("✓ 시리얼 설정 저장 완료");
-}
-
-void configureSerial2() {
-    Serial2.end();
-    
-    uint32_t config = SERIAL_8N1;
-    
-    switch(serialTermConfig.dataBits) {
-        case 5: config = SERIAL_5N1; break;
-        case 6: config = SERIAL_6N1; break;
-        case 7: config = SERIAL_7N1; break;
-        case 8: default: config = SERIAL_8N1; break;
-    }
-    
-    if (serialTermConfig.parity == 1) {
-        switch(serialTermConfig.dataBits) {
-            case 5: config = SERIAL_5E1; break;
-            case 6: config = SERIAL_6E1; break;
-            case 7: config = SERIAL_7E1; break;
-            case 8: default: config = SERIAL_8E1; break;
-        }
-    } else if (serialTermConfig.parity == 2) {
-        switch(serialTermConfig.dataBits) {
-            case 5: config = SERIAL_5O1; break;
-            case 6: config = SERIAL_6O1; break;
-            case 7: config = SERIAL_7O1; break;
-            case 8: default: config = SERIAL_8O1; break;
-        }
-    }
-    
-    if (serialTermConfig.stopBits == 2) {
-        switch(serialTermConfig.dataBits) {
-            case 5:
-                if (serialTermConfig.parity == 0) config = SERIAL_5N2;
-                else if (serialTermConfig.parity == 1) config = SERIAL_5E2;
-                else config = SERIAL_5O2;
-                break;
-            case 6:
-                if (serialTermConfig.parity == 0) config = SERIAL_6N2;
-                else if (serialTermConfig.parity == 1) config = SERIAL_6E2;
-                else config = SERIAL_6O2;
-                break;
-            case 7:
-                if (serialTermConfig.parity == 0) config = SERIAL_7N2;
-                else if (serialTermConfig.parity == 1) config = SERIAL_7E2;
-                else config = SERIAL_7O2;
-                break;
-            case 8: default:
-                if (serialTermConfig.parity == 0) config = SERIAL_8N2;
-                else if (serialTermConfig.parity == 1) config = SERIAL_8E2;
-                else config = SERIAL_8O2;
-                break;
-        }
-    }
-    
-    Serial2.begin(serialTermConfig.baudRate, config, SERIAL2_RX, SERIAL2_TX);
-    Serial.printf("✓ Serial2 구성: %d baud, config=0x%X\n", serialTermConfig.baudRate, config);
-}
-
-void addToSerialBuffer(const char* data, size_t len, bool isTx) {
-    if (!serialBuffer.mutex) return;
-    
-    xSemaphoreTake(serialBuffer.mutex, portMAX_DELAY);
-    
-    if (serialTermConfig.timestampEnabled) {
-        char timestamp[32];
-        struct timeval tv;
-        gettimeofday(&tv, NULL);
-        struct tm *tm_info = localtime(&tv.tv_sec);
-        snprintf(timestamp, sizeof(timestamp), "[%02d:%02d:%02d.%03ld] %s: ",
-                tm_info->tm_hour, tm_info->tm_min, tm_info->tm_sec,
-                tv.tv_usec / 1000, isTx ? "TX" : "RX");
-        
-        size_t tsLen = strlen(timestamp);
-        for (size_t i = 0; i < tsLen; i++) {
-            serialBuffer.data[serialBuffer.writeIndex] = timestamp[i];
-            serialBuffer.writeIndex = (serialBuffer.writeIndex + 1) % SERIAL_LOG_BUFFER_SIZE;
-            if (serialBuffer.writeIndex == serialBuffer.readIndex) {
-                serialBuffer.overflow = true;
-                serialBuffer.readIndex = (serialBuffer.readIndex + 1) % SERIAL_LOG_BUFFER_SIZE;
-            }
-        }
-    }
-    
-    for (size_t i = 0; i < len; i++) {
-        serialBuffer.data[serialBuffer.writeIndex] = data[i];
-        serialBuffer.writeIndex = (serialBuffer.writeIndex + 1) % SERIAL_LOG_BUFFER_SIZE;
-        if (serialBuffer.writeIndex == serialBuffer.readIndex) {
-            serialBuffer.overflow = true;
-            serialBuffer.readIndex = (serialBuffer.readIndex + 1) % SERIAL_LOG_BUFFER_SIZE;
-        }
-    }
-    
-    xSemaphoreGive(serialBuffer.mutex);
-}
-
-String getSerialBufferData() {
-    if (!serialBuffer.mutex) return "";
-    
-    String result;
-    xSemaphoreTake(serialBuffer.mutex, portMAX_DELAY);
-    
-    uint32_t idx = serialBuffer.readIndex;
-    while (idx != serialBuffer.writeIndex) {
-        result += serialBuffer.data[idx];
-        idx = (idx + 1) % SERIAL_LOG_BUFFER_SIZE;
-    }
-    
-    xSemaphoreGive(serialBuffer.mutex);
-    return result;
-}
-
-void clearSerialBuffer() {
-    if (!serialBuffer.mutex) return;
-    
-    xSemaphoreTake(serialBuffer.mutex, portMAX_DELAY);
-    serialBuffer.readIndex = serialBuffer.writeIndex;
-    serialBuffer.overflow = false;
-    xSemaphoreGive(serialBuffer.mutex);
-}
-
-bool saveSerialLog() {
-    if (!sdCardReady) return false;
-    
-    String data = getSerialBufferData();
-    if (data.length() == 0) return true;
-    
-    xSemaphoreTake(sdMutex, portMAX_DELAY);
-    
-    File file = SD.open(serialTermConfig.logFilename, FILE_APPEND);
-    if (!file) {
-        xSemaphoreGive(sdMutex);
-        return false;
-    }
-    
-    size_t written = file.print(data);
-    file.close();
-    
-    xSemaphoreGive(sdMutex);
-    
-    if (written > 0) {
-        clearSerialBuffer();
-        return true;
-    }
-    return false;
-}
-
-void serialTask(void *pvParameters) {
-    char rxBuffer[SERIAL_BUFFER_SIZE];
-    size_t rxIndex = 0;
-    
-    Serial.println("✓ Serial Task 시작 (Core 0, Priority 1)");
-    
-    while (true) {
-        if (serialTermConfig.enabled && Serial2.available()) {
-            while (Serial2.available() && rxIndex < SERIAL_BUFFER_SIZE - 1) {
-                char c = Serial2.read();
-                rxBuffer[rxIndex++] = c;
-                serialRxCount++;
-                
-                if (serialTermConfig.echoEnabled) {
-                    Serial2.write(c);
-                    serialTxCount++;
-                }
-            }
-            
-            if (rxIndex > 0) {
-                addToSerialBuffer(rxBuffer, rxIndex, false);
-                
-                String data;
-                for (size_t i = 0; i < rxIndex; i++) {
-                    if (rxBuffer[i] >= 32 && rxBuffer[i] < 127) {
-                        data += rxBuffer[i];
-                    } else if (rxBuffer[i] == '\r' || rxBuffer[i] == '\n') {
-                        data += rxBuffer[i];
-                    } else {
-                        char hex[5];
-                        snprintf(hex, sizeof(hex), "<%02X>", (uint8_t)rxBuffer[i]);
-                        data += hex;
-                    }
-                }
-                serialWebSocket.broadcastTXT(data);
-                
-                if (serialTermConfig.autoSaveEnabled && rxIndex > 100) {
-                    saveSerialLog();
-                }
-                
-                rxIndex = 0;
-            }
-        }
-        
-        vTaskDelay(pdMS_TO_TICKS(10));
-    }
-}
-
-void handleSerialTerminal() {
-    server.send_P(200, "text/html", SERIAL_TERMINAL_HTML);
-}
-
-void handleSerialConfig() {
-    String json = "{";
-    json += "\"baudRate\":" + String(serialTermConfig.baudRate) + ",";
-    json += "\"dataBits\":" + String(serialTermConfig.dataBits) + ",";
-    json += "\"parity\":" + String(serialTermConfig.parity) + ",";
-    json += "\"stopBits\":" + String(serialTermConfig.stopBits) + ",";
-    json += "\"enabled\":" + String(serialTermConfig.enabled ? "true" : "false") + ",";
-    json += "\"echo\":" + String(serialTermConfig.echoEnabled ? "true" : "false") + ",";
-    json += "\"timestamp\":" + String(serialTermConfig.timestampEnabled ? "true" : "false") + ",";
-    json += "\"autosave\":" + String(serialTermConfig.autoSaveEnabled ? "true" : "false") + ",";
-    json += "\"logFilename\":\"" + String(serialTermConfig.logFilename) + "\",";
-    json += "\"rxCount\":" + String(serialRxCount) + ",";
-    json += "\"txCount\":" + String(serialTxCount) + ",";
-    json += "\"rxPerSec\":" + String(serialRxPerSecond) + ",";
-    json += "\"txPerSec\":" + String(serialTxPerSecond);
-    json += "}";
-    
-    server.send(200, "application/json", json);
-}
-
-void handleSerialSetConfig() {
-    if (server.hasArg("plain")) {
-        String body = server.arg("plain");
-        
-        if (body.indexOf("baudRate") >= 0) {
-            int idx = body.indexOf("baudRate\":") + 10;
-            serialTermConfig.baudRate = body.substring(idx, body.indexOf(',', idx)).toInt();
-        }
-        if (body.indexOf("dataBits") >= 0) {
-            int idx = body.indexOf("dataBits\":") + 10;
-            serialTermConfig.dataBits = body.substring(idx, body.indexOf(',', idx)).toInt();
-        }
-        if (body.indexOf("parity") >= 0) {
-            int idx = body.indexOf("parity\":") + 8;
-            serialTermConfig.parity = body.substring(idx, body.indexOf(',', idx)).toInt();
-        }
-        if (body.indexOf("stopBits") >= 0) {
-            int idx = body.indexOf("stopBits\":") + 10;
-            serialTermConfig.stopBits = body.substring(idx, body.indexOf(',', idx)).toInt();
-        }
-        if (body.indexOf("enabled") >= 0) {
-            serialTermConfig.enabled = body.indexOf("\"enabled\":true") >= 0;
-        }
-        if (body.indexOf("echo") >= 0) {
-            serialTermConfig.echoEnabled = body.indexOf("\"echo\":true") >= 0;
-        }
-        if (body.indexOf("timestamp") >= 0) {
-            serialTermConfig.timestampEnabled = body.indexOf("\"timestamp\":true") >= 0;
-        }
-        if (body.indexOf("autosave") >= 0) {
-            serialTermConfig.autoSaveEnabled = body.indexOf("\"autosave\":true") >= 0;
-        }
-        if (body.indexOf("logFilename") >= 0) {
-            int idx = body.indexOf("logFilename\":\"") + 14;
-            String filename = body.substring(idx, body.indexOf('\"', idx));
-            filename.toCharArray(serialTermConfig.logFilename, sizeof(serialTermConfig.logFilename));
-        }
-        
-        configureSerial2();
-        saveSerialSettings();
-        
-        server.send(200, "application/json", "{\"status\":\"ok\"}");
-    } else {
-        server.send(400, "application/json", "{\"status\":\"error\"}");
-    }
-}
-
-void handleSerialSend() {
-    if (server.hasArg("data")) {
-        String data = server.arg("data");
-        
-        if (serialTermConfig.enabled) {
-            data.replace("\\r", "\r");
-            data.replace("\\n", "\n");
-            
-            Serial2.print(data);
-            serialTxCount += data.length();
-            
-            addToSerialBuffer(data.c_str(), data.length(), true);
-            
-            server.send(200, "application/json", "{\"status\":\"ok\"}");
-        } else {
-            server.send(400, "application/json", "{\"status\":\"error\",\"message\":\"Serial not enabled\"}");
-        }
-    } else {
-        server.send(400, "application/json", "{\"status\":\"error\",\"message\":\"No data\"}");
-    }
-}
-
-void handleSerialSaveLog() {
-    if (saveSerialLog()) {
-        server.send(200, "application/json", "{\"status\":\"ok\"}");
-    } else {
-        server.send(500, "application/json", "{\"status\":\"error\"}");
-    }
-}
-
-void handleSerialClearBuffer() {
-    clearSerialBuffer();
-    server.send(200, "application/json", "{\"status\":\"ok\"}");
-}
-
-void serialWebSocketEvent(uint8_t num, WStype_t type, uint8_t * payload, size_t length) {
-    switch(type) {
-        case WStype_DISCONNECTED:
-            Serial.printf("[%u] Serial WebSocket Disconnected\n", num);
-            break;
-            
-        case WStype_CONNECTED: {
-            IPAddress ip = serialWebSocket.remoteIP(num);
-            Serial.printf("[%u] Serial WebSocket Connected from %d.%d.%d.%d\n", 
-                         num, ip[0], ip[1], ip[2], ip[3]);
-            
-            String data = getSerialBufferData();
-            if (data.length() > 0) {
-                serialWebSocket.sendTXT(num, data);
-            }
-            break;
-        }
-            
-        case WStype_TEXT:
-            if (serialTermConfig.enabled && length > 0) {
-                Serial2.write(payload, length);
-                serialTxCount += length;
-                addToSerialBuffer((const char*)payload, length, true);
-            }
-            break;
-            
-        default:
-            break;
-    }
-}
-
-void setupSerial() {
-    serialBuffer.writeIndex = 0;
-    serialBuffer.readIndex = 0;
-    serialBuffer.overflow = false;
-    serialBuffer.mutex = xSemaphoreCreateMutex();
-    
-    configureSerial2();
-    
-    serialQueue = xQueueCreate(100, sizeof(char) * SERIAL_BUFFER_SIZE);
-    
-    xTaskCreatePinnedToCore(
-        serialTask,
-        "SerialTask",
-        4096,
-        NULL,
-        1,
-        &serialTaskHandle,
-        0
-    );
-    
-    serialWebSocket.begin();
-    serialWebSocket.onEvent(serialWebSocketEvent);
-    
-    server.on("/serial", HTTP_GET, handleSerialTerminal);
-    server.on("/serial/config", HTTP_GET, handleSerialConfig);
-    server.on("/serial/setconfig", HTTP_POST, handleSerialSetConfig);
-    server.on("/serial/send", HTTP_POST, handleSerialSend);
-    server.on("/serial/savelog", HTTP_POST, handleSerialSaveLog);
-    server.on("/serial/clear", HTTP_POST, handleSerialClearBuffer);
-    
-    Serial.println("✓ 시리얼 터미널 초기화 완료 (CAN과 독립 동작)");
-}
-
-void updateSerialStats() {
-    uint32_t currentTime = millis();
-    if (currentTime - lastSerialCountTime >= 1000) {
-        serialRxPerSecond = serialRxCount - lastSerialRxCount;
-        serialTxPerSecond = serialTxCount - lastSerialTxCount;
-        lastSerialRxCount = serialRxCount;
-        lastSerialTxCount = serialTxCount;
-        lastSerialCountTime = currentTime;
-    }
-}
-
-
 void saveCANSettings() {
     preferences.begin("can-logger", false);
     
@@ -2309,9 +1834,6 @@ void setup() {
         }
     });
     
-    // 시리얼 터미널 초기화
-    setupSerial();
-    
     server.begin();
     
     // Queue 생성
@@ -2362,8 +1884,6 @@ void setup() {
 
 void loop() {
     server.handleClient();
-    serialWebSocket.loop();
-    updateSerialStats();
     vTaskDelay(pdMS_TO_TICKS(10));
     
     static uint32_t lastPrint = 0;