Platform: RK3399
OS: Android 7.1
Kernel: v4.4.83
[TOC]
应用场景
rk3399平台可以支持多种不同接口的Camera,如MIPI, DVP, UVC camera。
对于DVP,MIPI的Camera,对应的配置是放在cam_board.xml的。
因此如果只使用UVC Camera，那么只要移除此文件就可以了。
解决方案
1 | --- a/Config/rk32xx_camera.mk |
改动之后，camera_get_number_of_cameras()中的读取cam_board.xml的代码就会失效，相关代码：1
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51int camera_get_number_of_cameras(void)
{
....
profiles = camera_board_profiles::getInstance();
nCamDev = profiles->mDevieVector.size();
LOGD("board profiles cam num %d\n", nCamDev);
//由于读取不到配置，所以nCamDev为0.
if (nCamDev>0){
camera_board_profiles::LoadSensor(profiles);
char sensor_ver[32];
for (i=0; (i<nCamDev); i++)
{
LOGE("load sensor name(%s) connect %d\n", profiles->mDevieVector[i]->mHardInfo.mSensorInfo.mSensorName, profiles->mDevieVector[i]->mIsConnect);
if(profiles->mDevieVector[i]->mIsConnect==1){
rk_sensor_info *pSensorInfo = &(profiles->mDevieVector[i]->mHardInfo.mSensorInfo);
camInfoTmp[cam_cnt&0x01].pcam_total_info = profiles->mDevieVector[i];
strncpy(camInfoTmp[cam_cnt&0x01].device_path, pSensorInfo->mCamsysDevPath, sizeof(camInfoTmp[cam_cnt&0x01].device_path));
strncpy(camInfoTmp[cam_cnt&0x01].driver, pSensorInfo->mSensorDriver, sizeof(camInfoTmp[cam_cnt&0x01].driver));
unsigned int SensorDrvVersion = profiles->mDevieVector[i]->mLoadSensorInfo.mpI2cInfo->sensor_drv_version;
memset(version,0x00,sizeof(version));
sprintf(version,"%d.%d.%d",((SensorDrvVersion&0xff0000)>>16),
((SensorDrvVersion&0xff00)>>8),SensorDrvVersion&0xff);
if(pSensorInfo->mFacing == RK_CAM_FACING_FRONT){
camInfoTmp[cam_cnt&0x01].facing_info.facing = CAMERA_FACING_FRONT;
} else {
camInfoTmp[cam_cnt&0x01].facing_info.facing = CAMERA_FACING_BACK;
}
memset(sensor_ver,0x00,sizeof(sensor_ver));
if (strlen(pSensorInfo->mSensorName) < (sizeof(sensor_ver)-16))
sprintf(sensor_ver,"%s%s%s","sys_graphic.",pSensorInfo->mSensorName,".ver");
else
sprintf(sensor_ver,"%s",pSensorInfo->mSensorName);
property_set(sensor_ver, version);
camInfoTmp[cam_cnt&0x01].facing_info.orientation = pSensorInfo->mOrientation;
cam_cnt++;
unsigned int CamsysDrvVersion = profiles->mDevieVector[i]->mCamsysVersion.drv_ver;
memset(version,0x00,sizeof(version));
sprintf(version,"%d.%d.%d",((CamsysDrvVersion&0xff0000)>>16),
((CamsysDrvVersion&0xff00)>>8),CamsysDrvVersion&0xff);
property_set(CAMERAHAL_CAMSYS_VERSION_PROPERTY_KEY,version);
}
}
}
...
}