Hisi3516 QR code recognition (two): application development

One: Introduction

In the previous article, the opencv and zbar libraries were cross-compiled.

https://blog.csdn.net/qq_34968572/article/details/112978917

This section is the application layer program development for the compiled library in the previous section, and the library files compiled in the previous section are needed.

Two: source code

/**
 * 解析二维码wifi信息，并连接
 */
int Service::WifiConnectManager(int width, int height)
{
    int result = HET_SUCCESS;
    char fileName[40] = {0};
    int frame_cnt = 0;
    unsigned char buffer[width * height * 3];
    char pBuff[100];
    unsigned int buffSize = 0;
    int len = Sensor_Height * Sensor_Height * 3/2;
    unsigned char yuvBuffer[len];
    unsigned char yuvCompBuffer[width * height *3/2];

    /* 获取摄像头yuv数据 */
    result = mppService.getSersonYuvData(yuvBuffer, len, 1);
    if (result != SUCCESS)
    {
        printf("lamp get yuv face data failed!\n");
        return FAILED;
    }
    
    /* yuv缩放 */
    HETCompress compress;