hi_isp_ae_sensor_exp_func

Function

Defines the sensor callback function.

Definition

typedef struct {
    hi_s32 (*pfn_cmos_get_ae_default)(hi_vi_pipe vi_pipe, hi_isp_ae_sensor_default *ae_sns_dft);
    /* the function of sensor set fps */
    hi_void (*pfn_cmos_fps_set)(hi_vi_pipe vi_pipe, hi_float f32_fps, hi_isp_ae_sensor_default *ae_sns_dft);
    hi_void (*pfn_cmos_slow_framerate_set)(hi_vi_pipe vi_pipe, hi_u32 full_lines, hi_isp_ae_sensor_default *ae_sns_dft);

    /* while isp notify ae to update sensor regs, ae call these funcs. */
    hi_void (*pfn_cmos_inttime_update)(hi_vi_pipe vi_pipe, hi_u32 int_time);
    hi_void (*pfn_cmos_gains_update)(hi_vi_pipe vi_pipe, hi_u32 again, hi_u32 dgain);

    hi_void (*pfn_cmos_again_calc_table)(hi_vi_pipe vi_pipe, hi_u32 *again_lin, hi_u32 *again_db);
    hi_void (*pfn_cmos_dgain_calc_table)(hi_vi_pipe vi_pipe, hi_u32 *dgain_lin, hi_u32 *dgain_db);

    hi_void (*pfn_cmos_get_inttime_max)(hi_vi_pipe vi_pipe, hi_u16 man_ratio_enable,
    hi_u32 *ratio, hi_u32 *int_time_max, hi_u32 *int_time_min, hi_u32 *lf_max_int_time);

    /* long frame mode set */
    hi_void (*pfn_cmos_ae_fswdr_attr_set)(hi_vi_pipe vi_pipe, hi_isp_ae_fswdr_attr *ae_fswdr_attr);
    hi_void (*pfn_cmos_ae_quick_start_status_set)(hi_vi_pipe vi_pipe, hi_bool quick_start_status);
    hi_void (*pfn_cmos_exp_param_convert)(hi_vi_pipe vi_pipe, hi_isp_ae_convert_param *exp_param);
} hi_isp_ae_sensor_exp_func;

For details about basic data types hi_s32, hi_u32, hi_u16, hi_void, hi_float, and hi_bool, see Basic Data Types.

For details about hi_vi_pipe, see hi_vi_pipe.

Members

Member	Description
pfn_cmos_get_ae_default	Pointer to the callback function for obtaining the initial value of the AE algorithm library. For details about hi_isp_ae_sensor_default, see hi_isp_ae_sensor_default.
pfn_cmos_fps_set	Sets the frame rate for a sensor. For details about hi_isp_ae_sensor_default, see hi_isp_ae_sensor_default.
pfn_cmos_slow_framerate_set	Sets the frame rate reduction of a sensor. For details about hi_isp_ae_sensor_default, see hi_isp_ae_sensor_default.
pfn_cmos_inttime_update	Sets the exposure time of a sensor.
pfn_cmos_gains_update	Sets the analog gain and digital gain of a sensor.
pfn_cmos_again_calc_table	Computes the analog gain of the table sensor.
pfn_cmos_dgain_calc_table	Computes the digital gain of the table sensor.
pfn_cmos_get_inttime_max	Pointer to the callback function for computing the maximum exposure time of short frames in WDR mode, which is closely related to the sensor.
pfn_cmos_ae_fswdr_attr_set	Sets the long frame mode in 2to1LineWDR mode.
pfn_cmos_ae_quick_start_status_set	Sets the AE no-light-sensor quick start convergence status.
pfn_cmos_exp_param_convert	Converts exposure parameters at different frame rates, which is implemented together with hi_mpi_isp_get_exp_convert.

Precautions

If the callback function pointer does not need to be assigned a value, set it to null.
The exposure time accuracy and gain are defined in hi_isp_ae_sensor_default. The exposure time and gain configured in pfn_cmos_inttime_update and pfn_cmos_gains_update are values with accuracy. How to convert them into the configured values of the sensor is closely related to the sensor. For details, see the sensor manual.
If the no-light-sensor quick start function is not used, pfn_cmos_ae_quick_start_status_set must be set to null.
quick_start_status is the flag bit of the AE no-light-sensor quick start convergence status. When this parameter is set to HI_TRUE, no-light-sensor quick start convergence is complete.

Parent topic: ISP System Control and 3A Algorithm Registration