[技术讨论] GD32F450Z的IPA使用问题 -- 兆易的FAE麻烦解决下这个问题

void ipa_config(uint32_t src, uint32_t dst, u16 high, u16 width, u16 offset_x)

{

        ipa_destination_parameter_struct  ipa_destination_init_struct;

        ipa_foreground_parameter_struct   ipa_fg_init_struct;



        rcu_periph_clock_enable(RCU_IPA);



        ipa_deinit();

        /* configure IPA pixel format convert mode */

        ipa_pixel_format_convert_mode_set(IPA_FGTODE);

        /* configure destination pixel format */

        ipa_destination_init_struct.destination_pf = IPA_DPF_RGB565;

        /* configure destination memory base address */

        ipa_destination_init_struct.destination_memaddr = dst;        //显存

        /* configure destination pre-defined alpha value RGB */

        ipa_destination_init_struct.destination_pregreen = 0;

        ipa_destination_init_struct.destination_preblue = 0;

        ipa_destination_init_struct.destination_prered = 0;

        ipa_destination_init_struct.destination_prealpha = 0;

        /* configure destination line offset */

        ipa_destination_init_struct.destination_lineoff = offset_x;

        /* configure height of the image to be processed */

        ipa_destination_init_struct.image_height = high;

        /* configure width of the image to be processed */

        ipa_destination_init_struct.image_width = width;

        /* IPA destination initialization */

        ipa_destination_init(&ipa_destination_init_struct);



        /* configure IPA foreground */

        ipa_fg_init_struct.foreground_memaddr = src;        //临时绘制的缓存

        ipa_fg_init_struct.foreground_pf = FOREGROUND_PPF_RGB565;

        ipa_fg_init_struct.foreground_alpha_algorithm = IPA_FG_ALPHA_MODE_0;

        ipa_fg_init_struct.foreground_prealpha = 0x0;

        ipa_fg_init_struct.foreground_lineoff = 0;//offset_x;

        ipa_fg_init_struct.foreground_preblue = 0x0;

        ipa_fg_init_struct.foreground_pregreen = 0x0;

        ipa_fg_init_struct.foreground_prered = 0x0;

        /* foreground initialization */

        

        ipa_foreground_init(&ipa_fg_init_struct);

}