os08a20摄像头错误

想调用os08a20摄像头，时钟配置了，i2c也调了，为什么还是报错，有没有哪位大佬知道
[sample_comm_venc_get_venc_stream_proc]-2627: get venc stream time out, exit thread
[sample_comm_venc_get_venc_stream_proc]-2627: get venc stream time out, exit thread
[sample_comm_venc_get_venc_stream_proc]-2627: get venc stream time out, exit thread
[sample_comm_venc_get_venc_stream_proc]-2627: get venc stream time out, exit thread
[sample_comm_venc_get_venc_stream_proc]-2627: get venc stream time out, exit thread
[sample_comm_venc_get_venc_stream_proc]-2627: get venc stream time out, exit thread
[sample_comm_venc_get_venc_stream_proc]-2627: get venc stream time out, exit thread
[sample_comm_venc_get_venc_stream_proc]-2627: get venc stream time out, exit thread
[sample_comm_venc_get_venc_stream_proc]-2627: get venc stream time out, exit thread
[sample_comm_venc_get_venc_stream_proc]-2627: get venc stream time out, exit thread
[sample_comm_venc_get_venc_stream_proc]-2627: get venc stream time out, exit thread
[sample_comm_venc_get_venc_stream_proc]-2627: get venc stream time out, exit thread