• C++ 实现读文件之 字节方式的

    1. #define _CRT_SECURE_NO_WARNINGS
    2. #include 
    3. #include 
    4. #include 
    5. #define FILENAME "DataOutput_XWR14xx.bin"
    6. #define RECORDSTXT "records.txt"
    7.  
    8. void appendTxtLine(char* str) {
    9.     FILE* file;
    10.     file = fopen("records.txt", "a"); // 使用追加模式打开文件
    11.  
    12.     if (file == NULL) {
    13.         perror("无法打开文件");
    14.         return;
    15.     }
    16.  
    17.     fprintf(file, "%s\n", str);
    18.  
    19.     // 关闭文件
    20.     fclose(file);
    21.  
    22.  
    23. }
    24.  
    25.  
    26.  
    27. typedef struct Header {
    28.     uint16_t    magicWord[4];
    29.  
    30.     uint32_t    version;
    31.     uint32_t    totalPacketLen;
    32.     uint32_t    platform;
    33.     uint32_t    frameNumber;
    34.     uint32_t    timeCpuCycles;
    35.     uint32_t    numDetectedObj;
    36.     uint32_t    numTLVs;
    37.     uint32_t    subFrameNumber;
    38. }Header_t;
    39.  
    40. Header_t head;
    41.  
    42. typedef struct MmwDemo_output_message_tl_t
    43. {
    44.     //tlv是通讯协议，在bin里这个type一个是0一个是1，
    45.     //用来识别他之后的数据是output还是rangeprofile，
    46.     uint32_t    type;  //0   //1    
    47.     //length告知有多少字节数据
    48.     uint32_t    length;
    49.  
    50. } MmwDemo_output_message_tl;
    51.  
    52. MmwDemo_output_message_tl   TLV_head, TLV_head1;
    53.  
    54.  
    55. typedef struct VitalSignsDemo_OutputStats_t
    56. {
    57.     uint16_t rangeBinIndexMax;          // 1
    58.     uint16_t rangeBinIndexPhase;        // 1
    59.     float maxVal;                       // 2
    60.     uint32_t processingCyclesOut;       // 3
    61.     uint16_t rangeBinStartIndex;        // 4
    62.     uint16_t rangeBinEndIndex;          // 4
    63.     float unwrapPhasePeak_mm;           // 5
    64.     float outputFilterBreathOut;        // 6
    65.     float outputFilterHeartOut;         // 7
    66.     float heartRateEst_FFT;             // 8心率FFT
    67.     float heartRateEst_FFT_4Hz;         // 9
    68.     float heartRateEst_xCorr;           // 10
    69.     float heartRateEst_peakCount_filtered;  // 11峰值间隔
    70.     float breathingRateEst_FFT;             // 12呼吸FFT
    71.     float breathingRateEst_xCorr;           // 13
    72.     float breathingRateEst_peakCount;       // 14
    73.     float confidenceMetricBreathOut;        // 15呼吸置信度
    74.     float confidenceMetricBreathOut_xCorr;  // 16
    75.     float confidenceMetricHeartOut;         // 17心率置信度
    76.     float confidenceMetricHeartOut_4Hz;     // 18
    77.     float confidenceMetricHeartOut_xCorr;   // 19
    78.     float sumEnergyBreathWfm;               // 20
    79.     float sumEnergyHeartWfm;                // 21
    80.     float motionDetectedFlag;               // 22
    81.     float breathingRateEst_harmonicEnergy;  // 23
    82.     float heartRateEst_harmonicEnergy;      // 24
    83.     float reserved7;  //25
    84.     float reserved8;  //26
    85.     float reserved9;  //27
    86.     float reserved10; //28
    87.     float reserved11; //29
    88.     float reserved12; //30
    89.     float reserved13; //31
    90.     float reserved14; //32
    91. } VitalSignsDemo_OutputStats;
    92.  
    93. VitalSignsDemo_OutputStats outputStats;
    94.  
    95. void printOutputStats() {
    96.     char buf[1024];
    97.  
    98.     printf("\nVitalSignsDemo_OutputStats:\n");
    99.     printf("rangeBinIndexMax = %hd\n", outputStats.rangeBinIndexMax);   //1
    100.     printf("rangeBinIndexPhase = %hd\n", outputStats.rangeBinIndexPhase);  //1
    101.     printf("maxVal = %.2f\n", outputStats.maxVal);  //2
    102.     printf("processingCyclesOut = %d\n", outputStats.processingCyclesOut);  //3
    103.     printf("rangeBinStartIndex = %hd\n", outputStats.rangeBinStartIndex);  //4
    104.     printf("rangeBinEndIndex = %hd\n", outputStats.rangeBinEndIndex);  //4
    105.  
    106.     printf("unwrapPhasePeak_mm = %.2f\n", outputStats.unwrapPhasePeak_mm);  //5
    107.     printf("outputFilterBreathOut = %.2f\n", outputStats.outputFilterBreathOut);  //6
    108.     printf("outputFilterHeartOut = %.2f\n", outputStats.outputFilterHeartOut);  //7
    109.     printf("heartRateEst_FFT = %.2f\n", outputStats.heartRateEst_FFT);  //8
    110.     printf("heartRateEst_FFT_4Hz = %.2f\n", outputStats.heartRateEst_FFT_4Hz);  //9
    111.     printf("heartRateEst_xCorr = %.2f\n", outputStats.heartRateEst_xCorr);  //10
    112.     printf("heartRateEst_peakCount_filtered = %.2f\n", outputStats.heartRateEst_peakCount_filtered);  //11
    113.     printf("breathingRateEst_FFT = %.2f\n", outputStats.breathingRateEst_FFT);  //12
    114.     printf("breathingRateEst_xCorr = %.2f\n", outputStats.breathingRateEst_xCorr);  //13
    115.     printf("breathingRateEst_peakCount = %.2f\n", outputStats.breathingRateEst_peakCount);  //14
    116.     printf("confidenceMetricBreathOut = %.2f\n", outputStats.confidenceMetricBreathOut);  //15
    117.     printf("confidenceMetricBreathOut_xCorr = %.2f\n", outputStats.confidenceMetricBreathOut_xCorr);  //16
    118.     printf("confidenceMetricHeartOut = %.2f\n", outputStats.confidenceMetricHeartOut);  //17
    119.     printf("confidenceMetricHeartOut_4Hz = %.2f\n", outputStats.confidenceMetricHeartOut_4Hz);  //18
    120.     printf("confidenceMetricHeartOut_xCorr = %.2f\n", outputStats.confidenceMetricHeartOut_xCorr);  //19
    121.     printf("sumEnergyBreathWfm = %.2f\n", outputStats.sumEnergyBreathWfm);  //20
    122.     printf("sumEnergyHeartWfm = %.2f\n", outputStats.sumEnergyHeartWfm);  //21
    123.     printf("motionDetectedFlag = %.2f\n", outputStats.motionDetectedFlag);  //22
    124.     printf("breathingRateEst_harmonicEnergy = %.2f\n", outputStats.breathingRateEst_harmonicEnergy);  //23
    125.     printf("heartRateEst_harmonicEnergy = %.2f\n", outputStats.heartRateEst_harmonicEnergy);  //24
    126.     printf("reserved7 = %.2f\n", outputStats.reserved7);  //25
    127.     printf("reserved8 = %.2f\n", outputStats.reserved8);  //26
    128.     printf("reserved9 = %.2f\n", outputStats.reserved9);  //27
    129.     printf("reserved10 = %.2f\n", outputStats.reserved10);  //28
    130.     printf("reserved11 = %.2f\n", outputStats.reserved11);  //29
    131.     printf("reserved12 = %.2f\n", outputStats.reserved12);  //30
    132.     printf("reserved13 = %.2f\n", outputStats.reserved13);  //31
    133.     printf("reserved14 = %.2f\n", outputStats.reserved14);  //32
    134.  
    135.  
    136.  
    137.  
    138.  
    139.     sprintf(buf, "\nVitalSignsDemo_OutputStats:");
    140.     appendTxtLine(buf);
    141.     sprintf(buf, "rangeBinIndexMax = %hd", outputStats.rangeBinIndexMax);   //1
    142.     appendTxtLine(buf);
    143.     sprintf(buf, "rangeBinIndexPhase = %hd", outputStats.rangeBinIndexPhase);  //1
    144.     appendTxtLine(buf);
    145.     sprintf(buf, "maxVal = %.2f", outputStats.maxVal);  //2
    146.     appendTxtLine(buf);
    147.     sprintf(buf, "processingCyclesOut = %d", outputStats.processingCyclesOut);  //3
    148.     appendTxtLine(buf);
    149.     sprintf(buf, "rangeBinStartIndex = %hd", outputStats.rangeBinStartIndex);  //4
    150.     appendTxtLine(buf);
    151.     sprintf(buf, "rangeBinEndIndex = %hd", outputStats.rangeBinEndIndex);  //4
    152.     appendTxtLine(buf);
    153.  
    154.     sprintf(buf, "unwrapPhasePeak_mm = %.2f", outputStats.unwrapPhasePeak_mm);  //5
    155.     appendTxtLine(buf);
    156.     sprintf(buf, "outputFilterBreathOut = %.2f", outputStats.outputFilterBreathOut);  //6
    157.     appendTxtLine(buf);
    158.     sprintf(buf, "outputFilterHeartOut = %.2f", outputStats.outputFilterHeartOut);  //7
    159.     appendTxtLine(buf);
    160.     sprintf(buf, "heartRateEst_FFT = %.2f", outputStats.heartRateEst_FFT);  //8
    161.     appendTxtLine(buf);
    162.     sprintf(buf, "heartRateEst_FFT_4Hz = %.2f", outputStats.heartRateEst_FFT_4Hz);  //9
    163.     appendTxtLine(buf);
    164.     sprintf(buf, "heartRateEst_xCorr = %.2f", outputStats.heartRateEst_xCorr);  //10
    165.     appendTxtLine(buf);
    166.     sprintf(buf, "heartRateEst_peakCount_filtered = %.2f", outputStats.heartRateEst_peakCount_filtered);  //11
    167.     appendTxtLine(buf);
    168.     sprintf(buf, "breathingRateEst_FFT = %.2f", outputStats.breathingRateEst_FFT);  //12
    169.     appendTxtLine(buf);
    170.     sprintf(buf, "breathingRateEst_xCorr = %.2f", outputStats.breathingRateEst_xCorr);  //13
    171.     appendTxtLine(buf);
    172.     sprintf(buf, "breathingRateEst_peakCount = %.2f", outputStats.breathingRateEst_peakCount);  //14
    173.     appendTxtLine(buf);
    174.     sprintf(buf, "confidenceMetricBreathOut = %.2f", outputStats.confidenceMetricBreathOut);  //15
    175.     appendTxtLine(buf);
    176.     sprintf(buf, "confidenceMetricBreathOut_xCorr = %.2f", outputStats.confidenceMetricBreathOut_xCorr);  //16
    177.     appendTxtLine(buf);
    178.     sprintf(buf, "confidenceMetricHeartOut = %.2f", outputStats.confidenceMetricHeartOut);  //17
    179.     appendTxtLine(buf);
    180.     sprintf(buf, "confidenceMetricHeartOut_4Hz = %.2f", outputStats.confidenceMetricHeartOut_4Hz);  //18
    181.     appendTxtLine(buf);
    182.     sprintf(buf, "confidenceMetricHeartOut_xCorr = %.2f", outputStats.confidenceMetricHeartOut_xCorr);  //19
    183.     appendTxtLine(buf);
    184.     sprintf(buf, "sumEnergyBreathWfm = %.2f", outputStats.sumEnergyBreathWfm);  //20
    185.     appendTxtLine(buf);
    186.     sprintf(buf, "sumEnergyHeartWfm = %.2f", outputStats.sumEnergyHeartWfm);  //21
    187.     appendTxtLine(buf);
    188.     sprintf(buf, "motionDetectedFlag = %.2f", outputStats.motionDetectedFlag);  //22
    189.     appendTxtLine(buf);
    190.     sprintf(buf, "breathingRateEst_harmonicEnergy = %.2f", outputStats.breathingRateEst_harmonicEnergy);  //23
    191.     appendTxtLine(buf);
    192.     sprintf(buf, "heartRateEst_harmonicEnergy = %.2f", outputStats.heartRateEst_harmonicEnergy);  //24
    193.     appendTxtLine(buf);
    194.     sprintf(buf, "reserved7 = %.2f", outputStats.reserved7);  //25
    195.     appendTxtLine(buf);
    196.     sprintf(buf, "reserved8 = %.2f", outputStats.reserved8);  //26
    197.     appendTxtLine(buf);
    198.     sprintf(buf, "reserved9 = %.2f", outputStats.reserved9);  //27
    199.     appendTxtLine(buf);
    200.     sprintf(buf, "reserved10 = %.2f", outputStats.reserved10);  //28
    201.     appendTxtLine(buf);
    202.     sprintf(buf, "reserved11 = %.2f", outputStats.reserved11);  //29
    203.     appendTxtLine(buf);
    204.     sprintf(buf, "reserved12 = %.2f", outputStats.reserved12);  //30
    205.     appendTxtLine(buf);
    206.     sprintf(buf, "reserved13 = %.2f", outputStats.reserved13);  //31
    207.     appendTxtLine(buf);
    208.     sprintf(buf, "reserved14 = %.2f", outputStats.reserved14);  //32
    209.     appendTxtLine(buf);
    210.  
    211.  
    212. }
    213.  
    214. void printTLV_head(MmwDemo_output_message_tl* TLV_head) {
    215.     printf("\nTLV_head:\n");
    216.     printf("TLV_head type = %d\n", TLV_head->type);
    217.     printf("TLV_head length = %d\n", TLV_head->length);
    218.  
    219.     char buf[1024];
    220.     appendTxtLine((char*)"\nTLV_head:");
    221.     sprintf(buf, "TLV_head type = %d", TLV_head->type);
    222.     appendTxtLine(buf);
    223.     sprintf(buf, "TLV_head length = %d", TLV_head->length);
    224.     appendTxtLine(buf);
    225. }
    226. void printHead() {
    227.     char buf[1024];
    228.     printf("Head:\n");
    229.     printf("magicWord[0] = %#06x\t", head.magicWord[0]);
    230.     printf("magicWord[1] = %#06x\t", head.magicWord[1]);
    231.     printf("magicWord[2] = %#06x\t", head.magicWord[2]);
    232.     printf("magicWord[3] = %#06x\n", head.magicWord[3]);
    233.     printf("version = %#010x\n", head.version);
    234.     printf("totalPacketLen = %d\n", head.totalPacketLen);
    235.     printf("platform = %#010x\n", head.platform);
    236.  
    237.     printf("frameNumber = %d\n", head.frameNumber);
    238.     printf("timeCpuCycles = %d\n", head.timeCpuCycles);
    239.     printf("numDetectedObj = %d\n", head.numDetectedObj);
    240.     printf("numTLVs = %d\n", head.numTLVs);
    241.     printf("subFrameNumber = %d\n", head.subFrameNumber);
    242.  
    243.  
    244.     sprintf(buf, "\nHead:");
    245.     appendTxtLine(buf);
    246.     sprintf(buf, "magicWord[0] = %#06x", head.magicWord[0]);
    247.     appendTxtLine(buf);
    248.     sprintf(buf, "magicWord[1] = %#06x", head.magicWord[1]);
    249.     appendTxtLine(buf);
    250.     sprintf(buf, "magicWord[2] = %#06x", head.magicWord[2]);
    251.     appendTxtLine(buf);
    252.     sprintf(buf, "magicWord[3] = %#06x", head.magicWord[3]);
    253.     appendTxtLine(buf);
    254.     sprintf(buf, "version = %#010x", head.version);
    255.     appendTxtLine(buf);
    256.     sprintf(buf, "totalPacketLen = %d", head.totalPacketLen);
    257.     appendTxtLine(buf);
    258.     sprintf(buf, "platform = %#010x", head.platform);
    259.     appendTxtLine(buf);
    260.     sprintf(buf, "frameNumber = %d", head.frameNumber);
    261.     appendTxtLine(buf);
    262.     sprintf(buf, "timeCpuCycles = %d", head.timeCpuCycles);
    263.     appendTxtLine(buf);
    264.     sprintf(buf, "numDetectedObj = %d", head.numDetectedObj);
    265.     appendTxtLine(buf);
    266.     sprintf(buf, "numTLVs = %d", head.numTLVs);
    267.     appendTxtLine(buf);
    268.     sprintf(buf, "subFrameNumber = %d", head.subFrameNumber);
    269.     appendTxtLine(buf);
    270.  
    271. }
    272. void readFile() {
    273.     char buf[1024];
    274.     FILE* file;
    275.     file = fopen(FILENAME, "r");
    276.     int j = 1;
    277.     int i = 0;
    278.     if (file == NULL) {
    279.         perror("无法打开文件"); // 错误处理
    280.         exit(1);
    281.     }
    282.     while (1) {
    283.         // 读取文件内容
    284.         size_t bytesRead;
    285.         int SIZE = sizeof(Header_t);
    286.         while (1) {
    287.             bytesRead = fread(&head, sizeof(Header_t), 1, file);
    288.             if (head.magicWord[0] == 0x0102 && head.magicWord[1] == 0x0304 && head.magicWord[2] == 0x0506 && head.magicWord[3] == 0x0708)
    289.             {
    290.                 i += 1;
    291.                 printf("找到个数当前是%d\n", i);
    292.                 sprintf(buf, "\n-----------------------------------------找到个数当前是%d-----------------------------", i);
    293.                 appendTxtLine(buf);
    294.                 break;
    295.             }
    296.  
    297.             else
    298.             {
    299.                 fseek(file, -SIZE + 2, SEEK_CUR);
    300.             }
    301.  
    302.         }
    303.  
    304.         printf("编号:%d\n", j++);
    305.         if (bytesRead > 0) {
    306.             // 打印读取的数据
    307.             printHead();
    308.         }
    309.         else {
    310.             puts("读 head失败");
    311.             break;
    312.         }
    313.  
    314.         bytesRead = fread(&TLV_head, sizeof(MmwDemo_output_message_tl), 1, file);
    315.  
    316.         if (bytesRead > 0) {
    317.             // 打印读取的数据
    318.             printTLV_head(&TLV_head);
    319.         }
    320.         else {
    321.             puts("读 TLV_head失败");
    322.             break;
    323.         }
    324.  
    325.  
    326.         bytesRead = fread(&outputStats, sizeof(VitalSignsDemo_OutputStats), 1, file);
    327.  
    328.         if (bytesRead > 0) {
    329.             // 打印读取的数据        
    330.             printOutputStats();
    331.         }
    332.         else { break; }
    333.  
    334.         bytesRead = fread(&TLV_head1, sizeof(MmwDemo_output_message_tl), 1, file);
    335.  
    336.         if (bytesRead > 0) {
    337.             // 打印读取的数据
    338.             printTLV_head(&TLV_head1);
    339.         }
    340.         else {
    341.             puts("读 TLV_head1失败");
    342.             break;
    343.         }
    344.  
    345.  
    346.  
    347.         char tmp[1024];
    348.         bytesRead = fread(&tmp, 1, TLV_head1.length, file);
    349.         printf("跳过数据量:%d\n", TLV_head1.length);
    350.  
    351.         if (bytesRead == 0) {
    352.             printf("\n共取到了 %d个数据", j - 1);
    353.             fclose(file);
    354.             exit(1);
    355.         }
    356.  
    357.         /*
    358.         for (int i = 0; i < TLV_head1.length; i++) {
    359.             bytesRead = fread(&t, 1, 4, file);
    360.             if (!bytesRead) {
    361.                 printf("\n i = %d ,j = %d时失败",i,j);
    362.                 fclose(file);
    363.                 exit(1);
    364.             }
    365.             printf("%04x ", t);
    366.         }
    367.         */
    368.  
    369.         puts("");
    370.  
    371.     }
    372.     puts("关闭文件");
    373.     fclose(file); // 关闭文件
    374. }
    375. int main7()
    376. {
    377.     readFile();
    378.     return 0;
    379. }
    380.

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  • 原文地址：https://blog.csdn.net/laocooon/article/details/133207841