add

2025-12-19 19:32:55 +09:00
parent f419607236
commit a96323de19
8 changed files with 4332 additions and 15 deletions
--- a/PMIC_Tool/PMIC_Cmd_Tool/PMIC_Cmd_Tool.cpp
+++ b/PMIC_Tool/PMIC_Cmd_Tool/PMIC_Cmd_Tool.cpp
@@ -1,20 +1,531 @@
-// PMIC_Cmd_Tool.cpp : 이 파일에는 'main' 함수가 포함됩니다. 거기서 프로그램 실행이 시작되고 종료됩니다.
-//
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <time.h>
+#include <ctype.h>

-#include <iostream>
+// 딜레이 함수 이용을 위해
+#include <windows.h>
+//Sleep(1);   // 1ms 딜레이
+//Sleep(10);  // 10ms 딜레이
+//Sleep(100); // 100ms 딜레이
+
+// FT4222 헤더
+#include "ftd2xx.h"
+#include "LibFT4222.h"
+
+uint8_t PMIC_I2C_SLAVE_ADDR = 0x55;
+
+// 현재 시간을 "HH:MM:SS" 형식으로 buf에 저장
+void currentTime(char* buf, size_t len)
+{
+    if (buf == nullptr || len == 0)
+        return;
+
+    time_t now = time(nullptr);
+    struct tm tm_buf;
+
+#ifdef _WIN32
+    localtime_s(&tm_buf, &now);   // Windows 안전 버전
+#else
+    localtime_r(&now, &tm_buf);   // Linux/Unix 안전 버전
+#endif
+
+    strftime(buf, len, "%H:%M:%S", &tm_buf);
+}
+
+// 로그 출력 (커스텀 포맷)
+void logPacket(const char* dir, uint8_t* data, int size, int hasCrc)
+{
+    if (dir == nullptr || data == nullptr || size <= 0)
+        return;
+
+    char timeBuf[32];
+    currentTime(timeBuf, sizeof(timeBuf));
+
+    // PMIC I2C WRITE
+    if (strcmp(dir, "PMIC I2C WRITE") == 0 && size >= 3) {
+        printf("[%s] [%s] len=%d  [Address: 0x%02X] [Value: 0x%02X] [CRC: 0x%02X]\n",
+            timeBuf, dir, size, data[0], data[1], data[2]);
+        return;
+    }
+
+    // PMIC I2C READ
+    if (strcmp(dir, "PMIC I2C READ") == 0 && size >= 2) {
+        printf("[%s] [%s] len=%d  [Value: 0x%02X] [CRC: 0x%02X]\n",
+            timeBuf, dir, size, data[0], data[1]);
+        return;
+    }
+
+    // 기본 출력 (기타 상황)
+    printf("[%s] [%s] len=%d  ", timeBuf, dir, size);
+
+    for (int i = 0; i < size; i++) {
+        if (hasCrc && i == size - 1)
+            printf("[CRC: %02X] ", data[i]);
+        else
+            printf("%02X ", data[i]);
+    }
+
+    printf("\n");
+}
+
+// CRC8 계산 (다항식 0x07, 초기값 0x00)
+uint8_t calcCRC8(uint8_t addrWithRw, uint8_t* data, int len)
+{
+    uint8_t crc = 0x00;
+
+    for (int j = -1; j < len; j++) {
+        uint8_t b = (j == -1) ? addrWithRw : data[j];
+        crc ^= b;
+        for (int i = 0; i < 8; i++) {
+            if (crc & 0x80)
+                crc = (crc << 1) ^ 0x07;
+            else
+                crc <<= 1;
+        }
+    }
+    return crc;
+}
+
+// 명령어 판별 (I2C_WRITE/w, I2C_READ/r)
+int parseCommand(const char* dir)
+{
+    if (strcmp(dir, "I2C_WRITE") == 0 || strcmp(dir, "W") == 0)
+        return 1;
+    if (strcmp(dir, "I2C_READ") == 0 || strcmp(dir, "R") == 0)
+        return 2;
+    return 0;
+}
+
+// Address에 1바이트 Write with CRC, 그리고 Address를 Read해서 Write한 값과 비교
+void PMIC_I2C_Write(FT_HANDLE ftHandle, uint8_t slaveAddr, uint8_t regAddr, uint8_t value)
+{
+    uint8_t bytes[3];
+    int len = 0;
+
+    // Write 패킷: [RegAddr] [Value] [CRC]
+    bytes[len++] = regAddr;
+    bytes[len++] = value;
+
+    uint8_t addrWithRw = (slaveAddr << 1) | 0x00; // Write 주소
+    uint8_t crc = calcCRC8(addrWithRw, bytes, len);
+    bytes[len++] = crc;
+
+    uint16 transferred = 0;
+    FT4222_STATUS st = FT4222_I2CMaster_Write(ftHandle,
+        slaveAddr,
+        bytes,
+        (uint16)len,
+        &transferred);
+
+    if (st != FT4222_OK) {
+        printf("I2C Write 실패\n");
+        return;
+    }
+    else {
+        logPacket("PMIC I2C WRITE", bytes, len, 1);
+    }
+
+    // Register Address 다시 Write (Read 시작 위치 지정)
+    uint8_t regOnly[1] = { regAddr };
+    st = FT4222_I2CMaster_Write(ftHandle,
+        slaveAddr,
+        regOnly,
+        1,
+        &transferred);
+
+    if (st != FT4222_OK) {
+        printf("Read용 Address Write 실패\n");
+        return;
+    }
+
+    // Register Address에서 2바이트 Read
+    uint8_t rx[2] = { 0 };
+    st = FT4222_I2CMaster_Read(ftHandle,
+        slaveAddr,
+        rx,
+        2,
+        &transferred);
+
+    if (st != FT4222_OK) {
+        printf("I2C Read 실패\n");
+        return;
+    }
+    else {
+        logPacket("PMIC I2C READ ", rx, transferred, 0);
+
+        // 첫 번째 바이트와 Write 값 비교
+        if (rx[0] == value) {
+            printf("확인 성공: [Write Value = 0x%02X], [Read Value = 0x%02X]\n",
+                value, rx[0]);
+        }
+        else {
+            printf("불일치: [Write Value = 0x%02X], [Read Value = 0x%02X]\n",
+                value, rx[0]);
+        }
+    }
+}
+
+// Address에서 1바이트 Read (CRC 계산 없음)
+void PMIC_I2C_Read(FT_HANDLE ftHandle, uint8_t slaveAddr, uint8_t regAddr)
+{
+    uint16 transferred = 0;
+    FT4222_STATUS st;
+
+    // 🔹 Register Address를 먼저 Write (Read 시작 위치 지정)
+    uint8_t regOnly[1] = { regAddr };
+    st = FT4222_I2CMaster_Write(ftHandle,
+        slaveAddr,
+        regOnly,
+        1,
+        &transferred);
+
+    if (st != FT4222_OK) {
+        printf("Read용 Address Write 실패\n");
+        return;
+    }
+
+    // 🔹 Register Address에서 2바이트 Read (Value + CRC)
+    uint8_t rx[2] = { 0 };
+    st = FT4222_I2CMaster_Read(ftHandle,
+        slaveAddr,
+        rx,
+        2,
+        &transferred);
+
+    if (st != FT4222_OK) {
+        printf("I2C Read 실패\n");
+        return;
+    }
+    else {
+        printf("Read 결과: [Address = 0x%02X], [Value = 0x%02X], [CRC = 0x%02X]\n",
+            regAddr, rx[0], rx[1]);
+    }
+}

 int main()
 {
-    std::cout << "Hello World!\n";
+    printf("PMIC I2C Packet Logger with FT4222\n \n");
+
+    char addrInput[16];
+    unsigned int tempAddr = 0;
+    uint8_t I2C_SLAVE_ADDR = 0;
+    unsigned long log_counter = 0;
+
+    char timeStr[16];   // 시간을 저장할 버퍼 (HH:MM:SS면 9바이트면 충분)
+
+    currentTime(timeStr, sizeof(timeStr));
+
+    //printf("현재 시간: %s\n", timeStr);
+
+
+#if 0
+    printf("I2C Address\n Regulation Register is 0x54\n Protection Register is 0x55\n \nEnter 7-bit I2C Slave Address (hex): ");
+    if (scanf_s("%15s", addrInput, (unsigned)_countof(addrInput)) != 1) {
+        printf("입력 오류\n");
+        return -1;
+    }
+    if (sscanf_s(addrInput, "%x", &tempAddr) != 1) {
+        printf("잘못된 주소 입력\n");
+        return -1;
+    }
+    I2C_SLAVE_ADDR = (uint8_t)tempAddr;
+
+    printf("슬레이브 주소 설정됨: 0x%02X\n", I2C_SLAVE_ADDR);
+
+    getchar(); // 버퍼 클리어
+
+    printf("사용법: I2C_WRITE <data...> 또는 w <data...>\n");
+    printf("       I2C_READ (항상 2바이트 읽음) 또는 r\n");
+    printf("exit 또틑 e 입력 시 종료\n");
+#endif
+
+    printf("Read Regulation 0x54, Page 0x02, Address 0x23 : 0x66 이면 OK\n ");
+
+    FT_HANDLE ftHandle = NULL;
+    FT_STATUS ftStatus;
+    DWORD numDevs = 0;
+
+    ftStatus = FT_CreateDeviceInfoList(&numDevs);
+    if (ftStatus != FT_OK || numDevs == 0) {
+        printf("FT4222 장치를 찾을 수 없습니다.\n");
+        return -1;
+    }
+
+    ftStatus = FT_Open(0, &ftHandle);
+    if (ftStatus != FT_OK) {
+        printf("FT4222 장치 열기 실패\n");
+        return -1;
+    }
+
+    FT4222_STATUS ft4222Status = FT4222_I2CMaster_Init(ftHandle, 400); // 400kHz
+    if (ft4222Status != FT4222_OK) {
+        printf("I2C Master 초기화 실패\n");
+        FT_Close(ftHandle);
+        return -1;
+    }
+
+    //Fault register data: 0x010 ~0x014, 0x019 ~0x021
+    //0x010 - FUSA_STATUS_1
+    //0x011 - FUSA_STATUS_2
+    //0x012 - FUSA_STATUS_2A
+    //0x013 - FUSA_STATUS_3
+    //0x014 - FUSA_STATUS_4
+    //0x019 - FLT_RECORD_A
+    //0x01A - FLT_RECORD_B
+    //0x01B - FLT_RECORD_GND_AVIN
+    //0x01C - FLT_RECORD_BG_Temp
+    //0x01D - FLT_RECORD_IntLDOs
+    //0x01E - FLT_RECORD_ExtLDOs
+    //0x01F - FLT_RECORD_BUCKS_B
+    //0x020 - FLT_RECORD_BUCKS_A
+    //0x021 - FLT_RECORD_ExtINPs_7_0
+
+    //printf("=================================================================================\n");
+    /********************************************************************************************
+    I2C Write
+    PMIC_I2C_Write(FT_HANDLE ftHandle, uint8_t slaveAddr, uint8_t regAddr, uint8_t value)
+    PMIC_I2C_Write(ftHandle, PMIC_I2C_SLAVE_ADDR, 0xAA, 0xBB);
+    ********************************************************************************************/
+    //printf("=================================================================================\n");
+    /********************************************************************************************
+    I2C Read
+    PMIC_I2C_Read(FT_HANDLE ftHandle, uint8_t slaveAddr, uint8_t regAddr)
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0xAA);
+    ********************************************************************************************/
+
+
+
+    //for (int i = 0; i < 10000000; i++) {
+    //while (1) {
+    //}
+
+    //for (int i = 0; i < 10000000; i++) {
+    //while (log_counter < 10 ){
+
+        // 예: 10번 while에 한 번만 실행
+        //if (log_counter % 10 == 0) {
+            // 30ms 딜레이
+            //Sleep(30);
+
+    printf("실행하려면 Enter 키를 누르세요...\n");
+    getchar();
+
+    //Regulation Register
+    // Page00
+    PMIC_I2C_Write(ftHandle, 0x54, 0x00, 0x00);
+    PMIC_I2C_Write(ftHandle, 0x54, 0x00, 0x00);
+
+    PMIC_I2C_Read(ftHandle, 0x54, 0x00); //0x000 - IO_PAGE_REGU
+    PMIC_I2C_Read(ftHandle, 0x54, 0x01); //0x001 - IO_CHIPNAME_REGU
+    PMIC_I2C_Read(ftHandle, 0x54, 0x02); //0x002 - IO_CHIPVERSION_REGU
+    PMIC_I2C_Read(ftHandle, 0x54, 0x03); //0x003 - IO_DIEID3_REGU
+    //PMIC_I2C_Read(ftHandle, 0x54, 0x04); //0x004
+    //PMIC_I2C_Read(ftHandle, 0x54, 0x05); //0x005
+
+    //PMIC_I2C_Write(ftHandle, 0x54, 0x00, 0x02);
+    //PMIC_I2C_Write(ftHandle, 0x54, 0x00, 0x02);
+    //PMIC_I2C_Read(ftHandle, 0x54, 0x23);
+
+    // 30ms 딜레이
+    //Sleep(30);
+
+    // Page02
+    PMIC_I2C_Write(ftHandle, 0x54, 0x00, 0x02);
+    PMIC_I2C_Write(ftHandle, 0x54, 0x00, 0x02);
+    //PMIC_I2C_Read(ftHandle, 0x54, 0x20);
+    //PMIC_I2C_Read(ftHandle, 0x54, 0x21);
+    PMIC_I2C_Read(ftHandle, 0x54, 0x22); //0x222 - I_OTP_VERSION
+    PMIC_I2C_Read(ftHandle, 0x54, 0x23); //0x223 - I_OTP_INTERNALVERSION
+    //PMIC_I2C_Read(ftHandle, 0x54, 0x24);
+    //PMIC_I2C_Read(ftHandle, 0x54, 0x25);
+
+    // 30ms 딜레이
+    //Sleep(30);
+
+    //Protection Register
+    // Page01
+    PMIC_I2C_Write(ftHandle, 0x55, 0x00, 0x01);
+    PMIC_I2C_Write(ftHandle, 0x55, 0x00, 0x01);
+    PMIC_I2C_Read(ftHandle, 0x55, 0x02); //0x102 - IO_MODECTRL Read시 디폴트 0x65
+    PMIC_I2C_Write(ftHandle, 0x55, 0x02, 0x25); //0x102 - IO_MODECTRL
+
+    // 10s 딜레이
+    Sleep(10000);
+
+    PMIC_I2C_Write(ftHandle, 0x55, 0x02, 0x65); //0x102 - IO_MODECTRL
+
+    //}
+    //log_counter++;
+//}
+
+#if 0
+    //Protection Register
+    //Regulation Register
+    printf("[Page-0]=================================================================================\n");
+    PMIC_I2C_Write(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x00, 0x00);
+    PMIC_I2C_Write(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x00, 0x00);
+
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x00); //0x000 - IO_PAGE_REGU
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x01); //0x001 - IO_CHIPNAME_REGU
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x02); //0x002 - IO_CHIPVERSION_REGU
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x03); //0x003 - IO_DIEID3_REGU
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x04); //0x004 - IO_DIEID2_REGU
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x05); //0x005 - IO_DIEID1_REGU
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x06); //0x006 - IO_DIEID0_REGU
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x0A); //0x00A - OTP_VERSION_REGU
+
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x10); //0x010 - FUSA_STATUS_1
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x11); //0x011 - FUSA_STATUS_2
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x12); //0x012 - FUSA_STATUS_2A
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x13); //0x013 - FUSA_STATUS_3
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x14); //0x014 - FUSA_STATUS_4
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x19); //0x019 - FLT_RECORD_A
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x1A); //0x01A - FLT_RECORD_B
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x1B); //0x01B - FLT_RECORD_GND_AVIN
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x1C); //0x01C - FLT_RECORD_BG_Temp
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x1D); //0x01D - FLT_RECORD_IntLDOs
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x1E); //0x01E - FLT_RECORD_ExtLDOs
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x1F); //0x01F - FLT_RECORD_BUCKS_B
+
+
+    printf("[Page-1]=================================================================================\n");
+    PMIC_I2C_Write(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x00, 0x01);
+    PMIC_I2C_Write(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x00, 0x01);
+
+
+    printf("[Page-2]=================================================================================\n");
+    PMIC_I2C_Write(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x00, 0x02);
+    PMIC_I2C_Write(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x00, 0x02);
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x20); //0x020 - FLT_RECORD_BUCKS_A
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x21); //0x021 - FLT_RECORD_ExtINPs_7_0
+
+
+    printf("[PMIC_RAA271005_INIT]====================================================================\n");
+    PMIC_I2C_Write(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x00, 0x01);
+    PMIC_I2C_Write(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x00, 0x01);
+
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x07); //0x107 - WDT_CFG0 (OTP) 
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x08); //0x108 - WDT_CFG1 (OTP) //WDT_ULCNT, WDT_LLCNT
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x09); //0x109 - WDT_CFG2 (OTP)
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x16); //0x116 - FUSA_TIMER_1 (OTP)
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x17); //0x117 - FUSA_TIMER_2 (OTP)
+    PMIC_I2C_Read(ftHandle, PMIC_I2C_SLAVE_ADDR, 0x2C); //0x12C - FLT_MASK_B (OTP)
+#endif
+    char line[256];
+    while (1) {
+        printf("> ");
+        if (!fgets(line, sizeof(line), stdin)) break;
+
+        line[strcspn(line, "\r\n")] = 0; // 개행 제거
+        if (strcmp(line, "exit") == 0) break;
+        if (strcmp(line, "e") == 0) break;
+        if (strlen(line) == 0) continue;
+
+        char* context = NULL;
+        char* token = strtok_s(line, " ", &context);
+        if (!token) continue;
+
+        for (char* p = token; *p; p++) *p = toupper(*p);
+
+        int command = parseCommand(token);
+
+        if (command == 1) { // I2C_WRITE
+            uint8_t bytes[256];
+            int len = 0;
+
+            while ((token = strtok_s(NULL, " ", &context)) != NULL) {
+                unsigned int val;
+                if (sscanf_s(token, "%x", &val) == 1) {
+                    bytes[len++] = (uint8_t)val;
+                }
+                else {
+                    printf("잘못된 HEX 값: %s\n", token);
+                }
+            }
+
+            if (len == 0) {
+                printf("전송할 데이터가 없습니다.\n");
+                continue;
+            }
+
+            uint8_t addrWithRw = (I2C_SLAVE_ADDR << 1) | 0x00;
+            uint8_t crc = calcCRC8(addrWithRw, bytes, len);
+            bytes[len++] = crc;
+
+            uint16 transferred = 0;
+            ft4222Status = FT4222_I2CMaster_Write(ftHandle,
+                I2C_SLAVE_ADDR,
+                bytes,
+                (uint16)len,
+                &transferred);
+
+            if (ft4222Status != FT4222_OK) {
+                printf("I2C Write 실패\n");
+            }
+            else {
+                logPacket("I2C_WRITE", bytes, len, 1);
+            }
+        }
+        else if (command == 2) { // I2C_READ
+            uint8_t bytes[256];
+            uint16 transferred = 0;
+            FT4222_STATUS st;
+            int len = 0;
+
+            while ((token = strtok_s(NULL, " ", &context)) != NULL) {
+                unsigned int val;
+                if (sscanf_s(token, "%x", &val) == 1) {
+                    bytes[len++] = (uint8_t)val;
+                }
+                else {
+                    printf("잘못된 HEX 값: %s\n", token);
+                }
+            }
+
+            if (len == 0) {
+                printf("전송할 데이터가 없습니다.\n");
+                continue;
+            }
+
+            uint8_t addrWithRw = (I2C_SLAVE_ADDR << 1) | 0x00;
+            uint8_t crc = calcCRC8(addrWithRw, bytes, len);
+            bytes[len++] = crc;
+
+            st = FT4222_I2CMaster_Write(ftHandle,
+                I2C_SLAVE_ADDR,
+                bytes,
+                (uint16)len,
+                &transferred);
+
+            if (st != FT4222_OK) {
+                printf("Read용 Address Write 실패\n");
+                return 0;
+            }
+
+            // 🔹 Register Address에서 2바이트 Read (Value + CRC)
+            uint8_t rx[2] = { 0 };
+            st = FT4222_I2CMaster_Read(ftHandle,
+                I2C_SLAVE_ADDR,
+                rx,
+                2,
+                &transferred);
+
+            if (st != FT4222_OK) {
+                printf("I2C Read 실패\n");
+                return 0;
+            }
+            else {
+                printf("Read 결과: [Address = 0x%02X], [Value = 0x%02X], [CRC = 0x%02X]\n",
+                    bytes[0], rx[0], rx[1]);
+            }
+        }
+        else {
+            printf("첫 단어는 I2C_WRITE(w) 또는 I2C_READ(r) 여야 합니다.\n");
+        }
+    }
+
+    FT_Close(ftHandle);
+    return 0;
 }
-
-// 프로그램 실행: <Ctrl+F5> 또는 [디버그] > [디버깅하지 않고 시작] 메뉴
-// 프로그램 디버그: <F5> 키 또는 [디버그] > [디버깅 시작] 메뉴
-
-// 시작을 위한 팁: 
-//   1. [솔루션 탐색기] 창을 사용하여 파일을 추가/관리합니다.
-//   2. [팀 탐색기] 창을 사용하여 소스 제어에 연결합니다.
-//   3. [출력] 창을 사용하여 빌드 출력 및 기타 메시지를 확인합니다.
-//   4. [오류 목록] 창을 사용하여 오류를 봅니다.
-//   5. [프로젝트] > [새 항목 추가]로 이동하여 새 코드 파일을 만들거나, [프로젝트] > [기존 항목 추가]로 이동하여 기존 코드 파일을 프로젝트에 추가합니다.
-//   6. 나중에 이 프로젝트를 다시 열려면 [파일] > [열기] > [프로젝트]로 이동하고 .sln 파일을 선택합니다.