MTK Android Driver ：camera

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最新推荐文章于 2025-01-01 00:15:00 发布

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本文档详细介绍了Camera模块的配置流程，包括相机驱动的代码位置、拍照图片尺寸设置、物理角度旋转配置方法及相同Sensor ID兼容性的实现方式。

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7.camera
7.1 相关代码位置：
mediatek\config\XXXX（红色字为具体的项目名）
文件：ProjectConfig.mk
CUSTOM_KERNEL_IMGSENSOR = …… gc2235_raw
CUSTOM_KERNEL_MAIN_IMGSENSOR = …… gc2235_raw
CUSTOM_HAL_IMGSENSOR = …… gc2235_raw
CUSTOM_HAL_MAIN_IMGSENSOR = …… gc2235_raw

kernel:
\mediatek\custom\common\kernel\imgsensor\gc2235_raw

mediatek\custom\common\kernel\imgsensor\src
文件：kd_sensorlist.h
添加内容：
UINT32 GC2235SensorInit(PSENSOR_FUNCTION_STRUCT *pfFunc);
ACDK_KD_SENSOR_INIT_FUNCTION_STRUCT
kdSensorList[MAX_NUM_OF_SUPPORT_SENSOR+1] =
{
#if defined(GC2235_RAW)
    {GC2235_SENSOR_ID, SENSOR_DRVNAME_GC2235_RAW, GC2235SensorInit},
#endif
};

mediatek\custom\common\kernel\imgsensor\inc
文件：kd_imgsensor.h
添加内容：
#define GC2235_SENSOR_ID                 0x2235
#define SENSOR_DRVNAME_GC2235_RAW    "gc2235"

hal
\mediatek\custom\common\hal\imgsensor\gc2235_raw

mediatek\custom\common\hal\imgsensor\src
文件：sensorlist.cpp
添加内容：
MSDK_SENSOR_INIT_FUNCTION_STRUCT SensorList[] =
{
…………
#if defined(GC2235_RAW)
RAW_INFO(GC2235_SENSOR_ID, SENSOR_DRVNAME_GC2235_RAW, NULL),
#endif
…………
};
注意：在 kd_SensorList.h 和 SensorList.cpp 里面添加驱动的时候要注意，Sensor 添加的位置要一样。否则驱动会跑乱，轻则 ISP 参数不对，重则 Sensor 无法启动。

7.2 拍照图片尺寸设置：
..\mediatek\custom\\hal\camera\camera\cfg_ftbl_$prj$_raw_main.h
//Capture Size
CONFIG_FEATURE(FID_CAP_SIZE,
    BY_DEFAULT(CAPTURE_SIZE_1600_1200),
    /*BY_DEFAULT(CAPTURE_SIZE_2560_1920), modify*/
    CAPTURE_SIZE_640_480,
    CAPTURE_SIZE_1280_960, CAPTURE_SIZE_1600_1200,
)

7.3 Camera物理角度旋转
90度：
\alps\mediatek\custom\$prj$\hal\imgsensor\src\cfg_setting_imgsensor.cpp
    static SensorOrientation_T const inst = {
        u4Degree_0 : 180,//90,   // main sensor in degree (0, 90, 180, 270)
        u4Degree_1 : 0,//90,    // sub sensor in degree (0, 90, 180, 270)

180度：
Sensor FAE提供修改方法。

7.4 Camera 相同sensor id兼容方式（前后sensor id 一致）：
//配置区分：
CUSTOM_KERNEL_IMGSENSOR = gc0308_yuv # gc0308_sub_yuv
CUSTOM_KERNEL_MAIN_IMGSENSOR = gc0308_yuv # gc0308_sub_yuv
CUSTOM_HAL_IMGSENSOR = gc0308_yuv # gc0308_sub_yuv
CUSTOM_HAL_MAIN_IMGSENSOR = gc0308_yuv # gc0308_sub_yuv

//kernel:函数名也要区分
\alps\mediatek\custom\common\kernel\imgsensor\gc0308_sub_yuv
\alps\mediatek\custom\common\kernel\imgsensor\gc0308_yuv

//hal: 函数名也要区分
\alps\mediatek\custom\common\hal\imgsensor\gc0308_sub_yuv
\alps\mediatek\custom\common\hal\imgsensor\gc0308_yuv

//kdSensorList 和 SensorList 里面添加驱动也要区分，sensor id不要区分，写成一致，根据前后摄像头开关代码区分。
\alps\mediatek\custom\common\kernel\imgsensor\inc \kd_imgsensor.h
#define GC0328_SENSOR_ID       0x009D
#define GC0328_SUB_SENSOR_ID   0x9D9D

#define SENSOR_DRVNAME_GC2235_RAW     "gc2235raw"
//ben modify
#define SENSOR_DRVNAME_GC2235_FRONT_RAW     "gc2235frontraw" //ben modify

\alps\mediatek\custom\common\kernel\imgsensor\src\kd_sensorlist.h
UINT32 GC2235_FRONTSensorInit(PSENSOR_FUNCTION_STRUCT *pfFunc);//cbk add

#if defined(GC2235_FRONT_RAW) //ben add
    {GC2235_FRONT_SENSOR_ID,SENSOR_DRVNAME_GC2235_FRONT_RAW,GC2235_FRONTSensorInit},
#endif

mediatek\custom\common\hal\imgsensor\src\sensorlist.cpp
MSDK_SENSOR_INIT_FUNCTION_STRUCT SensorList[] =
{
#if defined(GC2235_FRONT_RAW) //cbk add
    RAW_INFO(GC2235_FRONT_SENSOR_ID, SENSOR_DRVNAME_GC2235_FRONT_RAW, NULL),
#endif
};

\alps\mediatek\custom\common\kernel\imgsensor\gc0328frontyuv_Sensor.c
GC0328_FRONTGetSensorID(){
if (sensor_id == GC0328_SENSOR_ID) {
sensor_id = GC0328_FRONT_SENSOR_ID; //---lcz
break;
}
if(sensor_id != GC0328_FRONT_SENSOR_ID) //---lcz
{
        return ERROR_SENSOR_CONNECT_FAIL;
}
}
GC0328_FRONTOpen (){
if (sensor_id == GC0328_SENSOR_ID) {
sensor_id = GC0328_FRONT_SENSOR_ID; //---lcz
break;
}
if(sensor_id != GC0328_FRONT_SENSOR_ID) {
        return ERROR_SENSOR_CONNECT_FAIL;
}
}