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/**
 *  DATE                AUTHOR      INSTRUCTION
 *  2020-05-08 20:33  zhangqianfu  The first version
 *
 */

#include <ota_img.h>

typedef struct
{
    const ota_img_t  *ota[EN_OTA_TYPE_LAST][EN_OTA_IMG_LAST];
}ota_img_cb_t;
static ota_img_cb_t  g_img_cb_t;


int ota_img_bind(en_ota_type_t otatype, const ota_img_t *img)
{
    int ret = -1;
    if ((NULL != img)&&(otatype < EN_OTA_TYPE_LAST) && (img->type  < EN_OTA_IMG_LAST) )
    {
        g_img_cb_t.ota[otatype][img->type] = img;
        ret = 0;
    }
    return ret;
}


int ota_img_read(en_ota_type_t otatype, en_ota_img_type_t imgtype,int offset, void *buf, int len)
{
    int ret = -1;
    const ota_img_t *img;
    if((otatype < EN_OTA_TYPE_LAST) && (imgtype  < EN_OTA_IMG_LAST) && (NULL != g_img_cb_t.ota[otatype][imgtype]))
    {
        img = g_img_cb_t.ota[otatype][imgtype];
        if(NULL != img->opt.read)
        {
            ret = img->opt.read(img->arg,offset, buf, len);
        }
    }

    return ret;
}

int ota_img_write(en_ota_type_t otatype, en_ota_img_type_t imgtype,int offset,const void *buf, int len)
{
    int ret = -1;
    const ota_img_t *img;
    if((otatype < EN_OTA_TYPE_LAST) && (imgtype  < EN_OTA_IMG_LAST) && (NULL != g_img_cb_t.ota[otatype][imgtype]))
    {
        img = g_img_cb_t.ota[otatype][imgtype];
        if(NULL != img->opt.write)
        {
            ret = img->opt.write(img->arg,offset, buf, len);
        }
    }
    return ret;
}

int ota_img_erase(en_ota_type_t otatype, en_ota_img_type_t imgtype)
{
    int ret = -1;
    const ota_img_t *img;
    if((otatype < EN_OTA_TYPE_LAST) && (imgtype  < EN_OTA_IMG_LAST) && (NULL != g_img_cb_t.ota[otatype][imgtype]))
    {
        img = g_img_cb_t.ota[otatype][imgtype];
        if(NULL != img->opt.erase)
        {
            ret = img->opt.erase(img->arg,img->size);
        }
    }
    return ret;
}

int ota_img_flush(en_ota_type_t otatype, en_ota_img_type_t imgtype)
{
    int ret = -1;
    const ota_img_t *img;
    if((otatype < EN_OTA_TYPE_LAST) && (imgtype  < EN_OTA_IMG_LAST) && (NULL != g_img_cb_t.ota[otatype][imgtype]))
    {
        img = g_img_cb_t.ota[otatype][imgtype];
        if(NULL != img->opt.flush)
        {
            ret = img->opt.flush(img->arg,img->size);
        }
    }
    return ret;
}

int ota_img_size(en_ota_type_t otatype, en_ota_img_type_t imgtype, int *size)
{
    int ret = -1;
    const ota_img_t *img;
    if((otatype < EN_OTA_TYPE_LAST) && (imgtype  < EN_OTA_IMG_LAST) && (NULL != g_img_cb_t.ota[otatype][imgtype]))
    {
        img = g_img_cb_t.ota[otatype][imgtype];
        *size = img->size;
        ret = 0;
    }
    return ret;
}






