#include "proto_iec_yj.h"
#include "iot_io_api.h"
#include "os_utils_api.h"
#include "iot_pkt_api.h"

/* define max iec packet length */
#define PROTO_IEC_READ_PKT_LENGTH_MAX (300)

/* define Event record added byte 1->5z group，define by customer*/
#define CHANGE_EVENTBYTE
/* define add combination ID，E710-E750，define by customer*/
#define ADD_GRID
/* define add combination ID，E760-E765，define by customer */
#define ADD_GRID2
#define LEN_ADD1BYTE
#undef LEN_ADD1BYTE

static uint8_t iec_toupper(uint8_t c)
{
    return (c >= 'a' && c <= 'z') ? (c - 0x20) : c;
}

/**
 * @brief DL/T 645-1997 di to IEC obis from yujian
 *
 * @param di  dlt64597 di
 * @param buf obis buffer
 * @return obis data length in buf
 */
static uint8_t iec_pm_drv_di_to_obis(uint16_t di, uint8_t *buf)
{
    uint8_t len = 0, temp;
    uint16_t req_id = di;

    if (((di & 0xF000) == 0x9000) && ((di & 0xFF) < 0xC0)) {
        req_id = 0x9000;
    } else if ((di & 0xFF00) == 0xA100) {
        req_id = 0xA100;
    } else if ((di & 0xFF00) == 0xB100) {
        req_id = 0xB100;
    } else if (((di & 0xFF00) == 0xE500) && ((di & 0xFF) < 0xFE)) {
        req_id = 0xE500;
    } else if ((di & 0xFF00) == 0xE900) {
        req_id = 0xE900;
    } else if ((di & 0xFF00) == 0xE800) {
        req_id = 0xE800;
    } else if ((di & 0xFF00) == 0x3100) {
        req_id = 0x3100;
    }
    switch (req_id) {
    case 0x9000:
    {
        os_mem_cpy(buf, "1.0.1.8.", 8);
        if ((di & 0x0FF0) == 0x0010) {
            buf[4] = '1';
        } else if ((di & 0x0FF0) == 0x0020) {
            buf[4] = '2';
        } else if ((di & 0x0FF0) == 0x0110) {
            buf[4] = '3';
        } else if ((di & 0x0FF0) == 0x0120) {
            buf[4] = '4';
        } else if ((di & 0x0FF0) == 0x0130) {
            buf[4] = '5';
        } else if ((di & 0x0FF0) == 0x0140) {
            buf[4] = '6';
        } else if ((di & 0x0FF0) == 0x0150) {
            buf[4] = '7';
        } else if ((di & 0x0FF0) == 0x0160) {
            buf[4] = '8';
        } else if ((di & 0x0FF0) == 0x0050) {
            buf[4] = '9';
        }
        buf[8] = (di & 0x000F) + '0', len = 9;
        break;
    }
    case 0xB611:
    case 0xB612:
    case 0xB613:
    {
        os_mem_cpy(buf, "1.0.32.7.0", 10);
        buf[4] = (di & 0x000F) * 2 + 1 + '0', len = 10;
        break;
    }
    case 0xB621:
    case 0xB622:
    case 0xB623:
    {
        os_mem_cpy(buf, "1.0.31.7.0", 10);
        buf[4] = (di & 0x000F) * 2 + 1 + '0', len = 10;
        break;
    }
    case 0xB630:
    {
        os_mem_cpy(buf, "1.0.1.7.0", 9);
        len = 9;
        break;
    }
    case 0xB631:
    case 0xB632:
    case 0xB633:
    {
        os_mem_cpy(buf, "1.0.21.7.0", 10);
        buf[4] = (di & 0x000F) * 2 + '0', len = 10;
        break;
    }
    case 0xB640:
    {
        os_mem_cpy(buf, "1.0.3.7.0", 9);
        len = 9;
        break;
    }
    case 0xB641:
    case 0xB642:
    case 0xB643:
    {
        os_mem_cpy(buf, "1.0.23.7.0", 10);
        buf[4] = (di & 0x000F) * 2 + '0', len = 10;
        break;
    }
    case 0xB650:
    case 0xB651:
    case 0xB652:
    case 0xB653:
    {
        os_mem_cpy(buf, "1.0.13.7.0", 10);
        buf[4] = (di & 0x000F) * 2 + 1 + '0', len = 10;
        break;
    }
    case 0x8EA0:
    {
        os_mem_cpy(buf, "0.0.F.F.0", 9);
        len = 9;
        break;
    }
    case 0xA080:
    {
        os_mem_cpy(buf, "1.0.0.4.4", 9);
        len = 9;
        break;
    }
    case 0xB660:
    {
        os_mem_cpy(buf, "1.0.14.7.0", 10);
        len = 10;
        break;
    }
    case 0xC000:
    {
        os_mem_cpy(buf, "1.0.81.7.78", 11);
        len = 11;
        break;
    }
    case 0xC710:
    {
        os_mem_cpy(buf, "0.0.0.7.0", 9);
        len = 9;
        break;
    }
    case 0xA007:
    {
        os_mem_cpy(buf, "1.0.99.35.0", 11);
        len = 11;
        break;
    }
    case 0xC111:
    {
        os_mem_cpy(buf, "0.0.0.8.0", 9);
        len = 9;
        break;
    }
    case 0xC711:
    {
        os_mem_cpy(buf, "0.0.0.2.8", 9);
        len = 9;
        break;
    }
    case 0xC712:
    {
        os_mem_cpy(buf, "0.0.0.2.0", 9);
        len = 9;
        break;
    }
    case 0xA000:
    {
        os_mem_cpy(buf, "1.0.12.35.0", 11);
        len = 11;
        break;
    }
    case 0xA001:
    {
        os_mem_cpy(buf, "1.0.11.35.0", 11);
        len = 11;
        break;
    }
    case 0xA002:
    {
        os_mem_cpy(buf, "1.0.12.39.0", 11);
        len = 11;
        break;
    }
    case 0xA006:
    {
        os_mem_cpy(buf, "0.0.99.13.0", 11);
        len = 11;
        break;
    }
    case 0xE302:
    {
        os_mem_cpy(buf, "0.0.C.2.0", 9);
        len = 9;
        break;
    }
    case 0xE304:
    {
        os_mem_cpy(buf, "0.0.C.2.1", 9);
        len = 9;
        break;
    }
    case 0xA090:
    {
        os_mem_cpy(buf, "0.0.C.51.15", 11);
        len = 11;
        break;
    }
    case 0xA091:
    {
        os_mem_cpy(buf, "0.0.C.51.16", 11);
        len = 11;
        break;
    }
    case 0xE40A:
    {
        os_mem_cpy(buf, "0.0.96.52.26", 12);
        len = 12;
        break;
    }
    case 0xE403:
    case 0xE404:
    case 0xE405:
    case 0xE406:
    case 0xE40F:
    case 0xE410:
    case 0xE407:
    case 0xE408:
    {
        os_mem_cpy(buf, "0.0.C.51.00", 11);
        if (di == 0xE403) {
            buf[9] = '1';
            buf[10] = '1';
        } else if (di == 0xE404) {
            buf[9] = '1';
            buf[10] = '2';
        } else if (di == 0xE405) {
            buf[9] = '1';
            buf[10] = '7';
        } else if (di == 0xE406) {
            buf[9] = '1';
            buf[10] = '8';
        } else if (di == 0xE40F) {
            buf[9] = '4';
            buf[10] = '3';
        } else if (di == 0xE410) {
            buf[9] = '4';
            buf[10] = '4';
        } else if (di == 0xE407) {
            buf[9] = '4';
            buf[10] = '5';
        } else if (di == 0xE408) {
            buf[9] = '4';
            buf[10] = '6';
        }
        len = 11;
        break;
    }
    case 0xE40B:
    case 0xE40C:
    case 0xE309:
    case 0xE310:
    {
        os_mem_cpy(buf, "0.0.C.52.00", 11);
        if (di == 0xE40B) {
            buf[9] = '2';
            buf[10] = '9';
        } else if (di == 0xE40C) {
            buf[9] = '3';
            buf[10] = '0';
        } else if (di == 0xE309) {
            buf[9] = '4';
            buf[10] = '3';
        } else if (di == 0xE310) {
            buf[9] = '4';
            buf[10] = '4';
        }
        len = 11;
        break;
    }
    case 0xE401:
    {
        os_mem_cpy(buf, "0.0.C.51.9", 10);
        len = 10;
        break;
    }
    case 0xE402:
    {
        os_mem_cpy(buf, "0.0.C.51.10", 11);
        len = 11;
        break;
    }
    case 0xE300:
    {
        os_mem_cpy(buf, "0.0.C.7.0", 9);
        len = 9;
        break;
    }
    case 0xE301:
    {
        os_mem_cpy(buf, "0.0.C.51.13", 11);
        len = 11;
        break;
    }
    case 0xE306:
    {
        os_mem_cpy(buf, "0.0.C.7.10", 10);
        len = 10;
        break;
    }
    case 0xE308:
    {
        os_mem_cpy(buf, "0.0.C.51.14", 11);
        len = 11;
        break;
    }
    case 0xE100:
    {
        os_mem_cpy(buf, "1.0.0.8.6", 9);
        len = 9;
        break;
    }
    case 0xE108:
    {
        os_mem_cpy(buf, "1.0.0.8.7", 9);
        len = 9;
        break;
    }
    case 0xE109:
    {
        os_mem_cpy(buf, "1.0.0.8.9", 9);
        len = 9;
        break;
    }
    case 0x9FC0:
    case 0x9FC1:
    case 0x9FC2:
    {
        os_mem_cpy(buf, "1.0.99.7.0", 10);
        buf[7] = (di & 0x000F) + 7 + '0';
        len = 10;
        break;
    }
    case 0x9FC3:
    {
        os_mem_cpy(buf, "1.0.99.12.0", 11);
        len = 11;
        break;
    }
    case 0x9FC4:
    {
        os_mem_cpy(buf, "0.0.99.10.0", 11);
        len = 11;
        break;
    }
    case 0x8030:
    {
        os_mem_cpy(buf, "0.0.0.9.4", 9);
        len = 9;
        break;
    }
    case 0xA010:
    case 0xA011:
    case 0xA012:
    case 0xA013:
    case 0xA014:
    case 0xA020:
    case 0xA021:
    case 0xA022:
    case 0xA023:
    case 0xA024:
    case 0xB010:
    case 0xB011:
    case 0xB012:
    case 0xB013:
    case 0xB014:
    case 0xB020:
    case 0xB021:
    case 0xB022:
    case 0xB023:
    case 0xB024:
    {
        os_mem_cpy(buf, "1.0.1.6.0", 9);
        buf[4] = ((di & 0x00F0) >> 4) + '0';
        buf[8] = (di & 0x000F) + '0';
        len = 9;
        break;
    }
    case 0xA100:
    case 0xB100:
    {
        temp = ((di & 0x00F0) >> 4) + 2;
        if (temp > 9) {
            os_mem_cpy(buf, "1.0.10.6.0", 10);
            len = 10;
        } else {
            os_mem_cpy(buf, "1.0.3.6.0", 9);
            buf[4] = temp + '0', len = 9;
        }
        buf[8] = (di & 0x000F) + '0';
        break;
    }
    case 0xB620:
    {
        os_mem_cpy(buf, "1.0.11.7.0", 10);
        len = 10;
        break;
    }
    case 0xB610:
    {
        os_mem_cpy(buf, "1.0.12.7.0", 10);
        len = 10;
        break;
    }
    case 0xC032:
    {
        os_mem_cpy(buf, "0.0.C.1.0", 9);
        len = 9;
        break;
    }
    case 0xC0FE:
    {
        os_mem_cpy(buf, "0.0.C.78.0", 10);
        len = 11;
        break;
    }
    case 0xE5FF:
    {
        os_mem_cpy(
            buf, "1.0.128.1.1.0(1.0.1.8.0)(1.0.12.7.0)(1.0.11.7.0)(0.0.F.F.0)",
            59);
        len = 59;
        break;
    }
    case 0xE800:
    {
        if ((di - 0xE801 + 1) < 10) {
            os_mem_cpy(buf, "0.0.C.51.1", 10);
            temp = (uint8_t)(di - 0xE801 + 1);
            buf[9] = temp + '0';
            len = 10;
        } else if ((di - 0xE801 + 1) < 100) {
            os_mem_cpy(buf, "0.0.C.51.10", 11);
            temp = (uint8_t)(di - 0xE801 + 1);
            buf[9] = temp / 10 + '0';
            buf[10] = temp % 10 + '0';
            len = 11;
        } else if ((di - 0xE801 + 1) < 122) {
            os_mem_cpy(buf, "0.0.C.52.1", 10);
            temp = (uint8_t)(di - 0xE871 + 1);
            buf[9] = temp + '0';
            len = 10;
        } else if ((di - 0xE801 + 1) < 149) {
            os_mem_cpy(buf, "0.0.C.52.10", 11);
            temp = (uint8_t)(di - 0xE871 + 1);
            buf[9] = temp / 10 + '0';
            buf[10] = temp % 10 + '0';
            len = 11;
        }
        break;
    }
    case 0xE900:
    {
        os_mem_cpy(buf, "0.0.0.1.2.", 10);
        if ((di - 0xE901 + 1) < 10) {
            char ch;
            ch = (uint8_t)(di - 0xE901 + 1 + '0');
            os_mem_cpy(buf + 10, &ch, 1);
            len = 11;
        } else {
            char ch[2];
            ch[1] = (uint8_t)((di - 0xE901 + 1) % 10 + '0');
            ch[0] = (uint8_t)((di - 0xE901 + 1) / 10 + '0');
            os_mem_cpy(buf + 10, ch, 2);
            len = 12;
        }
        break;
    }
    case 0x3100:
    {
        if ((di - 0x3100) < 17) {
            os_mem_cpy(buf, "1.0.1.4.0", 9);
            temp = (uint8_t)(di - 0x3100);
            buf[4] = temp + '0';
            len = 9;
        } else {
            os_mem_cpy(buf, "1.0.1.5.0", 9);
            temp = (uint8_t)(di - 0x3110);
            buf[4] = temp + '0';
            len = 9;
        }
        break;
    }
    case 0x0060:
    case 0x0260:
    case 0x0460:
    case 0x0660:
    case 0x0860:
    case 0x0A60:
    case 0x0C60:
    case 0x0E60:
    case 0x1060:
    case 0x1260:
    case 0x1460:
    case 0x1660:

    case 0x0070:
    case 0x0270:
    case 0x0470:
    case 0x0670:
    case 0x0870:
    case 0x0A70:
    case 0x0C70:
    case 0x0E70:
    case 0x1070:
    case 0x1270:
    case 0x1470:
    case 0x1670:

    case 0x0080:
    case 0x0280:
    case 0x0480:
    case 0x0680:
    case 0x0880:
    case 0x0A80:
    case 0x0C80:
    case 0x0E80:
    case 0x1080:
    case 0x1280:
    case 0x1480:
    case 0x1680:

    case 0x0090:
    case 0x0290:
    case 0x0490:
    case 0x0690:
    case 0x0890:
    case 0x0A90:
    case 0x0C90:
    case 0x0E90:
    case 0x1090:
    case 0x1290:
    case 0x1490:
    case 0x1690:
    {
        os_mem_cpy(buf, "1.0.5.6.0.", 10);
        buf[4] = ((di >> 4) & 0x000F) - 1 + '0';
        temp = (di >> 8) / 2 + 1;
        if (temp > 9) {
            buf[10] = temp / 10 + '0';
            buf[11] = temp % 10 + '0';
            len = 12;
        } else {
            buf[10] = temp + '0';
            len = 11;
        }
        break;
    }
    case 0x05A0:
    case 0x07A0:
    case 0x09A0:
    case 0x0BA0:
    case 0x0DA0:
    case 0x0FA0:
    case 0x11A0:
    case 0x13A0:
    case 0x15A0:
    case 0x17A0:
    case 0x19A0:
    case 0x1BA0:
    {
        os_mem_cpy(buf, "1.0.0.1.2.", 10);
        temp = (di >> 8) / 2 - 1;
        if (temp > 9) {
            buf[10] = temp / 10 + '0';
            buf[11] = temp % 10 + '0';
            len = 12;
        } else {
            buf[10] = temp + '0';
            len = 11;
        }
        break;
    }
    default:
    {
        len = 0;
        break;
    }
    }

    return len;
}

static void proto_iec_reverse_data(uint8_t *sdata, uint8_t len)
{
    uint8_t i, temp, index;
    index = len - 1;
    len = len / 2;
    for (i = 0; i < len; i++) {
        temp = *sdata;
        *sdata = *(index + sdata);
        *(index + sdata) = temp;
        index -= 2;
        sdata++;
    }
}

/**
 * @brief DL/T 645-1997 di to iec multi-obis from yujian
 *
 * @param di  dlt64597 di
 * @param buf obis buffer
 * @param *multi_obis_idx address for multi_obis_idx
 * @return obis data length in buf
 */
static uint8_t proto_iec_di_to_obis2(uint16_t di, uint8_t *buf,
    uint8_t *multi_obis_idx)
{
    uint8_t len = 0, temp = 0, obis_index = *multi_obis_idx;

    switch (di) {
    case 0x0400:
    case 0x0600:
    case 0x0800:
    case 0x0A00:
    case 0x0C00:
    case 0x0E00:
    case 0x1000:
    case 0x1200:
    case 0x1400:
    case 0x1600:
    case 0x1800:
    case 0x1A00:

    case 0x0410:
    case 0x0610:
    case 0x0810:
    case 0x0A10:
    case 0x0C10:
    case 0x0E10:
    case 0x1010:
    case 0x1210:
    case 0x1410:
    case 0x1610:
    case 0x1810:
    case 0x1A10:

    case 0x0420:
    case 0x0620:
    case 0x0820:
    case 0x0A20:
    case 0x0C20:
    case 0x0E20:
    case 0x1020:
    case 0x1220:
    case 0x1420:
    case 0x1620:
    case 0x1820:
    case 0x1A20:

    case 0x0430:
    case 0x0630:
    case 0x0830:
    case 0x0A30:
    case 0x0C30:
    case 0x0E30:
    case 0x1030:
    case 0x1230:
    case 0x1430:
    case 0x1630:
    case 0x1830:
    case 0x1A30:

    case 0x0440:
    case 0x0640:
    case 0x0840:
    case 0x0A40:
    case 0x0C40:
    case 0x0E40:
    case 0x1040:
    case 0x1240:
    case 0x1440:
    case 0x1640:
    case 0x1840:
    case 0x1A40:
    {
        if (obis_index == 0) {
            os_mem_cpy(buf, "1.0.1.8.0.", 10);
            obis_index++;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "1.0.1.8.1.", 10);
            obis_index++;
        } else if (obis_index == 2) {
            os_mem_cpy(buf, "1.0.1.8.2.", 10);
            obis_index++;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "1.0.1.8.3.", 10);
            obis_index++;
        } else if (obis_index == 4) {
            os_mem_cpy(buf, "1.0.1.8.4.", 10);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        if ((di & 0x0040) != 0) {
            buf[4] = '9';
        } else {
            buf[4] = ((di >> 4) & 0x000F) + 1 + '0';
        }
        temp = (di >> 8) / 2 - 1;
        if (temp > 9) {
            buf[10] = temp / 10 + '0';
            buf[11] = temp % 10 + '0';
            len = 12;
        } else {
            buf[10] = temp + '0';
            len = 11;
        }
        break;
    }
    case 0x04C0:
    case 0x06C0:
    case 0x08C0:
    case 0x0AC0:
    case 0x0CC0:
    case 0x0EC0:
    case 0x10C0:
    case 0x12C0:
    case 0x14C0:
    case 0x16C0:
    case 0x18C0:
    case 0x1AC0:

    case 0x04D0:
    case 0x06D0:
    case 0x08D0:
    case 0x0AD0:
    case 0x0CD0:
    case 0x0ED0:
    case 0x10D0:
    case 0x12D0:
    case 0x14D0:
    case 0x16D0:
    case 0x18D0:
    case 0x1AD0:

    case 0x04E0:
    case 0x06E0:
    case 0x08E0:
    case 0x0AE0:
    case 0x0CE0:
    case 0x0EE0:
    case 0x10E0:
    case 0x12E0:
    case 0x14E0:
    case 0x16E0:
    case 0x18E0:
    case 0x1AE0:

    case 0x04F0:
    case 0x06F0:
    case 0x08F0:
    case 0x0AF0:
    case 0x0CF0:
    case 0x0EF0:
    case 0x10F0:
    case 0x12F0:
    case 0x14F0:
    case 0x16F0:
    case 0x18F0:
    case 0x1AF0:
    {
        if (obis_index == 0) {
            os_mem_cpy(buf, "1.0.1.8.0.", 10);
            obis_index++;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "1.0.1.8.1.", 10);
            obis_index++;
        } else if (obis_index == 2) {
            os_mem_cpy(buf, "1.0.1.8.2.", 10);
            obis_index++;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "1.0.1.8.3.", 10);
            obis_index++;
        } else if (obis_index == 4) {
            os_mem_cpy(buf, "1.0.1.8.4.", 10);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        /* Recalculate the fifth character */
        buf[4] = ((di >> 4) & 0x000F) - 7 + '0';
        /* Calculate the last character */
        temp = (di >> 8) / 2 - 1;
        if (temp > 9) {
            buf[10] = temp / 10 + '0';
            buf[11] = temp % 10 + '0';
            len = 12;
        } else {
            buf[10] = temp + '0';
            len = 11;
        }
        break;
    }
    case 0x2400:
    case 0x2500:
    case 0x2600:
    case 0x2700:
    case 0x2800:
    case 0x2900:
    case 0x2A00:
    case 0x2B00:
    case 0x2C00:
    case 0x2D00:
    case 0x2E00:
    case 0x2F00:

    case 0x2410:
    case 0x2510:
    case 0x2610:
    case 0x2710:
    case 0x2810:
    case 0x2910:
    case 0x2A10:
    case 0x2B10:
    case 0x2C10:
    case 0x2D10:
    case 0x2E10:
    case 0x2F10:

    case 0x2420:
    case 0x2520:
    case 0x2620:
    case 0x2720:
    case 0x2820:
    case 0x2920:
    case 0x2A20:
    case 0x2B20:
    case 0x2C20:
    case 0x2D20:
    case 0x2E20:
    case 0x2F20:

    case 0x2430:
    case 0x2530:
    case 0x2630:
    case 0x2730:
    case 0x2830:
    case 0x2930:
    case 0x2A30:
    case 0x2B30:
    case 0x2C30:
    case 0x2D30:
    case 0x2E30:
    case 0x2F30:

    case 0x2440:
    case 0x2540:
    case 0x2640:
    case 0x2740:
    case 0x2840:
    case 0x2940:
    case 0x2A40:
    case 0x2B40:
    case 0x2C40:
    case 0x2D40:
    case 0x2E40:
    case 0x2F40:
    {
        if (obis_index == 0) {
            os_mem_cpy(buf, "1.0.1.6.0.", 10);
            obis_index++;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "1.0.1.6.1.", 10);
            obis_index++;
        } else if (obis_index == 2) {
            os_mem_cpy(buf, "1.0.1.6.2.", 10);
            obis_index++;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "1.0.1.6.3.", 10);
            obis_index++;
        } else if (obis_index == 4) {
            os_mem_cpy(buf, "1.0.1.6.4.", 10);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        /* Recalculate the fifth character */
        if ((di & 0x00F0) == 0x0040) {
            buf[4] = '9';
        } else {
            buf[4] = ((di >> 4) & 0x000F) + 1 + '0';
        }
        /* Calculate the last character */
        temp = ((di >> 8) & 0x0F) - 3;
        if (temp > 9) {
            buf[10] = temp / 10 + '0';
            buf[11] = temp % 10 + '0';
            len = 12;
        } else {
            buf[10] = temp + '0';
            len = 11;
        }
        break;
    }
#ifdef ADD_GRID
    case 0xE710:
    {
        len = 9;
        if (obis_index == 0) {
            os_mem_cpy(buf, "1.0.1.8.0", 9);
            obis_index++;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "1.0.2.8.0", 9);
            obis_index++;
        } else if (obis_index == 2) {
            os_mem_cpy(buf, "1.0.12.7.0", 10);
            obis_index++;
            len = 10;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "1.0.11.7.0", 10);
            obis_index++;
            len = 10;
        } else if (obis_index == 4) {
            os_mem_cpy(buf, "0.0.F.F.0", 9);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        break;
    }
    case 0xE720:
    {
        len = 9;
        if (obis_index == 0) {
            os_mem_cpy(buf, "1.0.1.8.0", 9);
            obis_index++;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "1.0.1.8.1", 9);
            obis_index++;
        } else if (obis_index == 2) {
            os_mem_cpy(buf, "1.0.1.8.2", 9);
            obis_index++;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "1.0.1.8.3", 9);
            obis_index++;
        } else if (obis_index == 4) {
            os_mem_cpy(buf, "1.0.1.8.4", 9);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        break;
    }
    case 0xE730:
    {
        len = 9;
        if (obis_index == 0) {
            os_mem_cpy(buf, "1.0.2.8.0", 9);
            obis_index++;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "1.0.2.8.1", 9);
            obis_index++;
        } else if (obis_index == 2) {
            os_mem_cpy(buf, "1.0.2.8.2", 9);
            obis_index++;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "1.0.2.8.3", 9);
            obis_index++;
        } else if (obis_index == 4) {
            os_mem_cpy(buf, "1.0.2.8.4", 9);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        break;
    }

    case 0xE740:
    {
        len = 10;
        if (obis_index == 0) {
            os_mem_cpy(buf, "1.0.31.7.0", 10);
            obis_index++;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "1.0.51.7.0", 10);
            obis_index++;
        } else if (obis_index == 2) {
            os_mem_cpy(buf, "1.0.71.7.0", 10);
            obis_index++;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "1.0.32.7.0", 10);
            obis_index++;
        } else if (obis_index == 4) {
            os_mem_cpy(buf, "1.0.52.7.0", 10);
            obis_index++;
        } else if (obis_index == 5) {
            os_mem_cpy(buf, "1.0.72.7.0", 10);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        break;
    }
    case 0xE750:
    {
        len = 9;
        if (obis_index == 0) {
            os_mem_cpy(buf, "1.0.1.6.0", 9);
            obis_index++;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "1.0.2.6.0", 9);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        break;
    }
#endif

#ifdef ADD_GRID2
    case 0xE760:
    {
        len = 9;
        if (obis_index == 0) {
            os_mem_cpy(buf, "1.0.1.8.0", 9);
            obis_index++;
        }

        else if (obis_index == 1) {
            os_mem_cpy(buf, "0.0.F.F.0", 9);
            obis_index++;
        }

        else if (obis_index == 2)
        {
            os_mem_cpy(buf, "1.0.1.8.1", 9);
            obis_index++;
        } else if (obis_index == 3)
        {
            os_mem_cpy(buf, "1.0.1.8.2", 9);
            obis_index++;
        } else if (obis_index == 4)
        {
            os_mem_cpy(buf, "1.0.1.8.3", 9);
            obis_index++;
        } else if (obis_index == 5)
        {
            os_mem_cpy(buf, "1.0.1.8.4", 9);
            obis_index++;
        } else if (obis_index == 6) {
            os_mem_cpy(buf, "1.0.32.7.0", 10);
            obis_index++;
            len = 10;
        } else if (obis_index == 7) {
            os_mem_cpy(buf, "1.0.31.7.0", 10);
            obis_index++;
            len = 10;
        } else if (obis_index == 8) {
            os_mem_cpy(buf, "1.0.3.8.0", 9);
            obis_index++;
        } else if (obis_index == 9) {
            os_mem_cpy(buf, "1.0.0.4.4", 9);
            obis_index++;
        } else if (obis_index == 10) {
            os_mem_cpy(buf, "1.0.52.7.0", 10);
            obis_index++;
            len = 10;
        } else if (obis_index == 11) {
            os_mem_cpy(buf, "1.0.51.7.0", 10);
            obis_index++;
            len = 10;
        } else if (obis_index == 12) {
            os_mem_cpy(buf, "1.0.72.7.0", 10);
            obis_index++;
            len = 10;
        } else if (obis_index == 13) {
            os_mem_cpy(buf, "1.0.71.7.0", 10);
            obis_index++;
            len = 10;
        } else if (
            (obis_index == 14) ||
            (obis_index == 15)) {
            os_mem_cpy(buf, "1.0.1.6.0", 9);
            obis_index++;
        } else if (obis_index == 16) {
            os_mem_cpy(buf, "1.0.2.8.0", 9);
            obis_index++;
        } else if (obis_index == 17) {
            os_mem_cpy(buf, "1.0.2.8.1", 9);
            obis_index++;
        } else if (obis_index == 18) {
            os_mem_cpy(buf, "1.0.2.8.2", 9);
            obis_index++;
        } else if (obis_index == 19) {
            os_mem_cpy(buf, "1.0.2.8.3", 9);
            obis_index++;
        } else if (obis_index == 20) {
            os_mem_cpy(buf, "1.0.2.8.4", 9);
            obis_index++;
        } else if (obis_index == 21) {
            os_mem_cpy(buf, "1.0.4.8.0", 9);
            obis_index++;
        } else if (obis_index == 22) {
            os_mem_cpy(buf, "1.0.2.6.0", 9);
            obis_index++;
        } else if (obis_index == 23) {
            os_mem_cpy(buf, "1.0.2.6.0", 9);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        break;
    }
    case 0xE770:
    {
        len = 11;
        if (obis_index == 0) {
            os_mem_cpy(buf, "0.0.C.7.10", 10);
            obis_index++;
            len = 10;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "0.0.C.51.14", 11);
            obis_index++;
        } else if (obis_index == 2) {
            os_mem_cpy(buf, "0.0.C.51.10", 11);
            obis_index++;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "0.0.C.51.12", 11);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        break;
    }

    case 0xE771:
    {
        len = 11;
        if (obis_index == 0) {
            os_mem_cpy(buf, "0.0.96.52.26", 12);
            obis_index++;
            len = 12;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "0.0.C.52.30", 11);
            obis_index++;
        } else if (obis_index == 2) {
            os_mem_cpy(buf, "0.0.C.51.16", 11);
            obis_index++;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "0.0.C.51.18", 11);
            obis_index++;
        } else if (obis_index == 4) {
            os_mem_cpy(buf, "0.0.C.51.44", 11);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        break;
    }
    case 0xE780:
    {
        len = 11;
        if (obis_index == 0) {
            os_mem_cpy(buf, "0.0.C.7.10", 10);
            obis_index++;
            len = 10;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "0.0.C.51.14", 11);
            obis_index++;
        } else if (obis_index == 2) {
            os_mem_cpy(buf, "0.0.C.51.16", 11);
            obis_index++;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "0.0.C.52.34", 11);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        break;
    }

    case 0xE781:
    {
        len = 11;
        if (obis_index == 0) {
            os_mem_cpy(buf, "0.0.C.52.36", 11);
            obis_index++;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "0.0.C.2.0", 9);
            obis_index++;
            len = 9;
        } else if (obis_index == 2) {
            os_mem_cpy(buf, "0.0.C.2.1", 9);
            obis_index++;
            len = 9;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "0.0.C.52.14", 11);
            obis_index++;

        } else if (obis_index == 4) {
            os_mem_cpy(buf, "0.0.C.52.16", 11);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        break;
    }
    case 0xE782:
    {
        len = 11;
        if (obis_index == 0) {
            os_mem_cpy(buf, "0.0.C.51.60", 11);
            obis_index++;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "0.0.C.51.62", 11);
            obis_index++;
        } else if (obis_index == 2) {
            os_mem_cpy(buf, "0.0.C.51.72", 11);
            obis_index++;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "0.0.C.51.74", 11);
            obis_index++;
        } else if (obis_index == 4) {
            os_mem_cpy(buf, "0.0.C.52.2", 10);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
            len = 10;
        }
        break;
    }
    case 0xE783:
    {
        len = 11;
        if (obis_index == 0) {
            os_mem_cpy(buf, "0.0.C.52.4", 10);
            obis_index++;
            len = 10;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "0.0.C.52.26", 11);
            obis_index++;
        } else if (obis_index == 2) {
            os_mem_cpy(buf, "0.0.C.52.28", 11);
            obis_index++;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "0.0.C.52.18", 11);
            obis_index++;
        } else if (obis_index == 4) {
            os_mem_cpy(buf, "0.0.C.52.20", 11);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        break;
    }
    case 0xE784:
    {
        len = 11;
        if (obis_index == 0) {
            os_mem_cpy(buf, "0.0.C.52.22", 11);
            obis_index++;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "0.0.C.52.24", 11);
            obis_index++;
        } else if (obis_index == 2) {
            os_mem_cpy(buf, "0.0.C.51.64", 11);
            obis_index++;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "0.0.C.51.66", 11);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        break;
    }

    case 0xE785:
    {
        len = 11;
        if (obis_index == 0) {
            os_mem_cpy(buf, "0.0.C.51.68", 11);
            obis_index++;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "0.0.C.51.70", 11);
            obis_index++;
        } else if (obis_index == 2) {
            os_mem_cpy(buf, "0.0.C.51.76", 11);
            obis_index++;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "0.0.C.51.78", 11);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        break;
    }
    case 0xE786:
    {
        len = 11;
        if (obis_index == 0) {
            os_mem_cpy(buf, "0.0.C.51.80", 11);
            obis_index++;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "0.0.C.51.82", 11);
            obis_index++;

        } else if (obis_index == 2) {
            os_mem_cpy(buf, "0.0.C.52.6", 10);
            obis_index++;
            len = 10;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "0.0.C.52.8", 10);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
            len = 10;
        }
        break;
    }
    case 0xE787:
    {
        len = 11;
        if (obis_index == 0) {
            os_mem_cpy(buf, "0.0.C.52.10", 11);
            obis_index++;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "0.0.C.52.12", 11);
            obis_index++;
        } else if (obis_index == 2) {
            os_mem_cpy(buf, "0.0.C.51.84", 11);
            obis_index++;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "0.0.C.51.86", 11);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        break;
    }
    case 0xE788:
    {
        len = 11;
        if (obis_index == 0) {
            os_mem_cpy(buf, "0.0.C.51.88", 11);
            obis_index++;
        } else if (obis_index == 1) {
            os_mem_cpy(buf, "0.0.C.51.90", 11);
            obis_index++;
        } else if (obis_index == 2) {
            os_mem_cpy(buf, "0.0.C.51.92", 11);
            obis_index++;
        } else if (obis_index == 3) {
            os_mem_cpy(buf, "0.0.C.51.94", 11);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }
        break;
    }
    case 0xE790:
    {
        len = 11;
        if (obis_index == 0) {
            os_mem_cpy(buf, "1.0.0.4.4", 9);
            obis_index++;
            len = 9;
        } else if (
            (obis_index >= 1) &&
            (obis_index <= 12)) {
            os_mem_cpy(buf, "1.0.1.8.0.1", 11);
            if (obis_index <= 10)
            {
                if (obis_index > 5)
                    buf[4] = '2';
                buf[8] = (obis_index - 1) % 5 + 0x30;
            } else
            {
                buf[4] = (obis_index - 8) + 0x30;
            }
            obis_index++;
        } else if (obis_index == 13) {
            os_mem_cpy(buf, "1.0.0.1.2.1", 11);
            obis_index++;
            len = 11;
        } else if (obis_index == 14) {
            os_mem_cpy(buf, "1.0.1.6.0.1", 11);
            obis_index++;
        } else if (obis_index == 15) {
            os_mem_cpy(buf, "1.0.2.6.0.1", 11);
            obis_index = PROTO_IEC_YJ_MULTI_OBIS_INDEX_INVALID;
        }

        break;
    }
    default:
    {
        len = 0;
        break;
    }
#endif
    }

    *multi_obis_idx = obis_index;
    return len;
}

/**
 * @brief calc xor crc value by yujian
 *
 * @param p   address of data.
 * @param len len of data
 * @return crc value
 */
uint8_t proto_iec_calc_crc(uint8_t *p, uint8_t len)
{
    uint8_t i, cs = 0;
    for (i = 0; i < (len - 1); i++) {
        cs ^= p[i];
    }
    return cs;
}


iot_pkt_t *proto_iec_yj_build_iec_by_64597_di(uint16_t di,
    uint8_t *multi_obis_idx)
{
    uint8_t obis_len = 0, *data = NULL, data_len = 0;
    iot_pkt_t *pkt = NULL;

    pkt = iot_pkt_alloc(PROTO_IEC_READ_PKT_LENGTH_MAX, IOT_SMART_GRID_MID);
    if (!pkt) {
        return pkt;
    }
    data = iot_pkt_data(pkt);
    os_mem_cpy(data,"\x01\x52\x31\x02\x30\x2E\x30\x2E"
        "\x43\x2E\x31\x2E\x30\x28\x29\x03\x21", 17);

    obis_len = iec_pm_drv_di_to_obis(di, &data[4]);
    if (obis_len == 59 || obis_len == 72) {
        data[2] = 0x35;
        data[4 + obis_len] = 0x03;
        data_len = obis_len + 6;
    } else if (obis_len) {
        /* After copying the IEC suffix to mswrtmsg IEC data */
        os_mem_cpy(data + 4 + obis_len, "\x28\x29\x03", 3);
        data_len = obis_len + 8;
    } else {
        obis_len = proto_iec_di_to_obis2(di, &data[4], multi_obis_idx);
        if (!obis_len) {
            *multi_obis_idx = 0;
            goto out;
        }
        /* After copying the IEC suffix to mswrtmsg IEC data */
        os_mem_cpy(data + 4 + obis_len, "\x28\x29\x03", 3);
        data_len = obis_len + 8;
    }
    data[data_len - 1] = proto_iec_calc_crc(&data[1], data_len - 1);
    iot_pkt_put(pkt, data_len);

out:
    if (pkt && !data_len) {
        iot_pkt_free(pkt);
        pkt = NULL;
    }
    return pkt;
}

static uint8_t IEC2645(uint8_t *src, uint8_t *dst,
    uint8_t s_len, uint8_t d_len, uint8_t num, uint16_t opt)
{
    uint8_t i = 0, j = 0, k = 0, temp1[32], temp2[32];

    for (j = 0; j < num; j++) {
        for (i = i; i < s_len; i++) {
            if (*src == '(') {
                src++;
                break;
            }
            src++;
        }
    }

    if (i == s_len)
        return 0;

    if (opt & 0x8000) {
        for (i = 0; i < d_len; i++) {
            temp1[k] = *src++;
            temp1[k] = iec_toupper(temp1[k]) - '0';
            if (temp1[k] > 9)
                temp1[k] = temp1[k] - 7;
            k++;
        }
    } else {
        for (i = i; i < s_len; i++) {
            if ((*src >= '0') && (*src <= '9')) {
                temp1[k] = *src++;
                k++;
            } else {
                if (*src == ')') {
                    break;
                }
                src++;
            }
        }
        if (i == s_len)
            return 0;
    }
    if (d_len < k)
        return 0;

#ifdef CHANGE_EVENTBYTE
    if (opt & 0x4000)
    {
        os_mem_set(temp2, 0xff, d_len - k);
    }
    else
    {
        os_mem_set(temp2, 0x30, d_len - k);
    }
#else
    os_mem_set(temp2, 0x30, d_len - k);
#endif
    os_mem_cpy(temp2 + d_len - k, temp1, k);
    os_mem_set(temp1, 0x30, sizeof(temp1));
    os_mem_cpy(temp1 + ((opt & 0x0F00) >> 8), temp2 + ((opt & 0x00F0) >> 4),
        d_len - ((opt & 0x00F0) >> 4) - (opt & 0x000F));
    for (i = 0, k = 0; i < d_len; i += 2, k++) {
        dst[k] = ((temp1[i] & 0x0f) << 4) | (temp1[i + 1] & 0x0f);
    }
    return k;
}

uint8_t proto_iec_yj_iec_map_to_64597_data(
    uint16_t di, uint8_t *src, uint8_t *dst, uint8_t len)
{
    uint8_t datalen = 0, d_len = 0, i, j, h, l;
    uint16_t req_id;
    req_id = di;
    if (((di & 0xF000) == 0x9000) && ((di & 0xFF) < 0xC0)) {
        req_id = 0x9000;
    } else if ((di & 0xFF00) == 0xA100) {
        req_id = 0xA100;
    } else if ((di & 0xFF00) == 0xB100) {
        req_id = 0xB100;
    } else if (((di & 0xFF00) == 0xE500) && ((di & 0xFF) < 0xFE)) {
        req_id = 0xE500;
    } else if ((di & 0xFF00) == 0xE900) {
        req_id = 0xE900;
    } else if ((di & 0xFF00) == 0xE800) {
        req_id = 0xE800;
    } else if ((di & 0xFF00) == 0x3100) {
        req_id = 0x3100;
    }
    switch (req_id) {
    case 0x9000:
    {
#ifdef LEN_ADD1BYTE
        if (IEC2645(src, dst, len, 10, 1, 0x0000) != 0) {
            proto_iec_reverse_data(dst, 5);
            datalen = 5;
        }
#else
        if (IEC2645(src, dst, len, 10, 1, 0x0020) != 0) {
            proto_iec_reverse_data(dst, 4);
            datalen = 4;
        }
#endif
        break;
    }
    /* Read voltage, remove the last byte of IEC format,
     * equivalent voltage A, B, C with 1 decimal place of 4 bytes.
     */
    case 0xB610:
    case 0xB611:
    case 0xB612:
    case 0xB613:
    {
#ifdef LEN_ADD1BYTE
        if (IEC2645(src, dst, len, 6, 1, 0x0101) != 0) {
            proto_iec_reverse_data(dst, 3);
            datalen = 3;
        }
#else
        if (IEC2645(src, dst, len, 4, 1, 0x0101) != 0) {
            proto_iec_reverse_data(dst, 2);
            datalen = 2;
        }
#endif
        break;
    }
    /* Read current, excluding the highest two bytes in IEC format,
     * equivalent current A, B, C with 2 decimal places and 6 bytes.
     */
    case 0xB620:
    case 0xB621:
    case 0xB622:
    case 0xB623:
#ifdef LEN_ADD1BYTE
        if (IEC2645(src, dst, len, 6, 1, 0x0000) != 0) {
            proto_iec_reverse_data(dst, 3);
            datalen = 3;
        }
#else
        if (IEC2645(src, dst, len, 6, 1, 0x0020) != 0) {
            proto_iec_reverse_data(dst, 2);
            datalen = 2;
        }
#endif
        break;

    /* Read power, take 2 decimal places for the integer part of IEC,
     * and add 0 to the last decimal place of 645. Active power A, B, C,
     * total active power takes 3 decimal places and 6 bytes.
     */
    case 0x3100:
    case 0xB630:
    case 0xB631:
    case 0xB632:
    case 0xB633:
    {
#ifdef LEN_ADD1BYTE
        if (IEC2645(src, dst, len, 8, 1, 0x0010) != 0) {
            proto_iec_reverse_data(dst, 4);
            datalen = 4;
        }
#else
        if (IEC2645(src, dst, len, 6, 1, 0x0010) != 0) {
            proto_iec_reverse_data(dst, 3);
            datalen = 3;
        }
#endif
        break;
    }
    case 0xB640:
    case 0xB641:
    case 0xB642:
    case 0xB643:
    {
#ifdef LEN_ADD1BYTE
        if (IEC2645(src, dst, len, 8, 1, 0x0011) != 0) {
            proto_iec_reverse_data(dst, 3);
            datalen = 3;
        }
#else
        if (IEC2645(src, dst, len, 6, 1, 0x0011) != 0) {
            proto_iec_reverse_data(dst, 2);
            datalen = 2;
        }
#endif
        break;
    }
    case 0xB650:
    case 0xB651:
    case 0xB652:
    case 0xB653:
    {
        if (IEC2645(src, dst, len, 6, 1, 0x0020) != 0) {
            proto_iec_reverse_data(dst, 2);
            datalen = 2;
        }
        break;
    }
    case 0x8EA0:
    {
        if (IEC2645(src, dst, len, 8, 1, 0x8000) != 0) {
            proto_iec_reverse_data(dst, 4);
            datalen = 4;
        }
        break;
    }
    case 0xA080:
    {
        if (IEC2645(src, dst, len, 16, 1, 0x0000) != 0) {
            proto_iec_reverse_data(dst, 8);
            datalen = 8;
        }
        break;
    }
    case 0xB660:
    {
        if (IEC2645(src, dst, len, 8, 1, 0x0000) != 0) {
            proto_iec_reverse_data(dst, 4);
            datalen = 4;
        }
        break;
    }
    case 0xC111:
    case 0xC710:
    case 0xA002:
    case 0xA000:
    case 0xA001:
    case 0xA006:
    case 0xA007:
    {
        if (IEC2645(src, dst, len, 4, 1, 0x0000) != 0) {
            proto_iec_reverse_data(dst, 2);
            datalen = 2;
        }
        break;
    }
    case 0xE100:
    case 0xE108:
    case 0xE109:
    {
        if (IEC2645(src, dst, len, 2, 1, 0x0000) != 0) {
            datalen = 1;
        }
        break;
    }
    case 0xC712:
    {
        if (IEC2645(src, dst, len, 24, 1, 0x0000) != 0) {
            proto_iec_reverse_data(dst, 12);
            datalen = 12;
        }
        break;
    }
    case 0xC711:
    {
        if (IEC2645(src, dst, len, 8, 1, 0x8000) != 0) {
            proto_iec_reverse_data(dst, 4);
            datalen = 4;
        }
        break;
    }
    case 0x8030:
    {
        if (IEC2645(src, dst, len, 12, 1, 0x0000) != 0) {
            proto_iec_reverse_data(dst, 6);
            datalen = 6;
        }
        break;
    }
    case 0xA010:
    case 0xA011:
    case 0xA012:
    case 0xA013:
    case 0xA014:
    case 0xA020:
    case 0xA021:
    case 0xA022:
    case 0xA023:
    case 0xA024:
    case 0xA100:
    {
#ifdef LEN_ADD1BYTE
        if (IEC2645(src, dst, len, 8, 1, 0x0010) != 0) {
            proto_iec_reverse_data(dst, 4);
            datalen = 4;
        }
#else
        if (IEC2645(src, dst, len, 6, 1, 0x0010) != 0) {
            proto_iec_reverse_data(dst, 3);
            datalen = 3;
        }
#endif
        break;
    }
    case 0x05A0:
    case 0x07A0:
    case 0x09A0:
    case 0x0BA0:
    case 0x0DA0:
    case 0x0FA0:
    case 0x11A0:
    case 0x13A0:
    case 0x15A0:
    case 0x17A0:
    case 0x19A0:
    case 0x1BA0:
    {
        if (IEC2645(src, dst, len, 12, 1, 0x0000) != 0) {
            proto_iec_reverse_data(dst, 6);
            datalen = 6;
        }
        break;
    }
    case 0xB010:
    case 0xB011:
    case 0xB012:
    case 0xB013:
    case 0xB014:
    case 0xB020:
    case 0xB021:
    case 0xB022:
    case 0xB023:
    case 0xB024:
    case 0xB100:
    {
        if (IEC2645(src, dst, len, 10, 2, 0x0000) != 0) {
            proto_iec_reverse_data(dst, 5);
            datalen = 4;
        }
        break;
    }
    case 0xE800:
    {
        if (di % 2)
        {
            if (IEC2645(src, dst, len, 4, 1, 0x0000) != 0) {
                proto_iec_reverse_data(dst, 2);
                datalen = 2;
            }
        } else
        {
#ifdef CHANGE_EVENTBYTE
            if (di == 0xE810)
            {
                datalen = 30;
                for (i = 0; i < 5; i++) {
                    if (IEC2645(src, dst + i * 6, len, 12, i + 1, 0x4000) !=
                        0) {
                        proto_iec_reverse_data(dst + i * 6, 6);
                    } else {
                        os_mem_set(dst + i * 6, 0xFF, datalen - 6 * i);
                        break;
                    }
                }
                break;
            }
            datalen = 25;
            for (i = 0; i < 5; i++) {
                if (IEC2645(src, dst + i * 5, len, 10, i + 1, 0x4000) != 0) {
                    proto_iec_reverse_data(dst + i * 5, 5);
                } else {
                    os_mem_set(dst + i * 5, 0xFF, datalen - 5 * i);
                    break;
                }
            }
#else
            if (di == 0xE810)
            {
                if (IEC2645(src, dst, len, 12, 1, 0x0000) != 0) {
                    proto_iec_reverse_data(dst, 6);
                    datalen = 6;
                }
                break;
            }

            if (IEC2645(src, dst, len, 10, 1, 0x0000) != 0) {
                proto_iec_reverse_data(dst, 5);
                datalen = 5;
            } else {
                os_mem_set(dst, 0xFF, 5);
                datalen = 5;
            }
#endif
        }
        break;
    }
    case 0xE900:
    {
        if (IEC2645(src, dst, len, 10, 1, 0x0000) != 0) {
            proto_iec_reverse_data(dst, 5);
            datalen = 5;
        }
        break;
    }
    case 0xC0FE:
    {
        if (IEC2645(src, dst, len, 2, 1, 0x0000) != 0) {
            datalen = 1;
        }
        break;
    }
    case 0xE5FF:
    {
        for (i = 0; i < len; i++) {
            if (*src++ == 0x0D) {
                if (*src++ == 0x0A) {
                    break;
                }
            }
        }
        if (i == len)
            return 0;
        len -= i;
        if (IEC2645(src, dst, len, 10, 1, 0x0020) != 0)
        {
            proto_iec_reverse_data(dst, 4);
            datalen += 4;
        }

        if (IEC2645(src, dst + 4, len, 4, 2, 0x0101) != 0)
        {
            proto_iec_reverse_data(dst + 4, 2);
            datalen += 2;
        }

        if (IEC2645(src, dst + 6, len, 6, 3, 0x0020) != 0)
        {
            proto_iec_reverse_data(dst + 6, 2);
            datalen += 2;
        }

        if (IEC2645(src, dst + 8, len, 8, 4, 0x8000) != 0)
        {
            proto_iec_reverse_data(dst + 8, 4);
            datalen += 4;
        }

        if (datalen != 12) {
            datalen = 0;
        }
        break;
    }
    case 0x0060:
    case 0x0260:
    case 0x0460:
    case 0x0660:
    case 0x0860:
    case 0x0A60:
    case 0x0C60:
    case 0x0E60:
    case 0x1060:
    case 0x1260:
    case 0x1460:
    case 0x1660:

    case 0x0070:
    case 0x0270:
    case 0x0470:
    case 0x0670:
    case 0x0870:
    case 0x0A70:
    case 0x0C70:
    case 0x0E70:
    case 0x1070:
    case 0x1270:
    case 0x1470:
    case 0x1670:

    case 0x0080:
    case 0x0280:
    case 0x0480:
    case 0x0680:
    case 0x0880:
    case 0x0A80:
    case 0x0C80:
    case 0x0E80:
    case 0x1080:
    case 0x1280:
    case 0x1480:
    case 0x1680:

    case 0x0090:
    case 0x0290:
    case 0x0490:
    case 0x0690:
    case 0x0890:
    case 0x0A90:
    case 0x0C90:
    case 0x0E90:
    case 0x1090:
    case 0x1290:
    case 0x1490:
    case 0x1690:
    {
        if (IEC2645(src, dst, len, 6, 1, 0x000) != 0) {
            proto_iec_reverse_data(dst, 3);
            datalen += 3;
        }
        if (IEC2645(src, &dst[3], len, 10, 2, 0x0000) != 0) {
            proto_iec_reverse_data(&dst[3], 5);
            datalen += 5;
        }
        if (datalen != 8) {
            datalen = 0;
        }
        break;
    }
    case 0xE302:
    case 0xE407:
    case 0xE409:
    case 0xE403:
    case 0xE405:
    case 0xE40F:
    case 0xE401:
    case 0xE300:
    case 0xE40B:
    case 0xE309:
    case 0xA090:
    case 0xE301:
    {
        if (IEC2645(src, dst, len, 4, 1, 0x0000) != 0) {
            proto_iec_reverse_data(dst, 2);
            datalen = 2;
        }
        break;
    }
    case 0xE408:
    case 0xE40A:
    case 0xE404:
    case 0xE406:
    case 0xE410:
    case 0xE402:
    case 0xE40C:
    {
        if (IEC2645(src, dst, len, 20, 1, 0x0000) != 0) {
            proto_iec_reverse_data(dst, 10);
            datalen = 10;
        } else {
            os_mem_set(dst, 0xFF, 10);
            datalen = 10;
        }
        break;
    }
    case 0xE304:
    case 0xE306:
    case 0xE308:
    case 0xE310:
    {
#ifdef CHANGE_EVENTBYTE
        datalen = 25;
        for (i = 0; i < 5; i++) {
            if (IEC2645(src, dst + i * 5, len, 10, i + 1, 0x4000) != 0) {
                proto_iec_reverse_data(dst + i * 5, 5);
            } else {
                os_mem_set(dst + i * 5, 0xFF, datalen - 5 * i);
                break;
            }
        }
#else
        if (IEC2645(src, dst, len, 10, 1, 0x0000) != 0) {
            proto_iec_reverse_data(dst, 5);
            datalen = 5;
        } else {
            os_mem_set(dst, 0xFF, 5);
            datalen = 5;
        }
#endif
        break;
    }
    case 0xA091:
    {
#ifdef CHANGE_EVENTBYTE
        datalen = 30;
        for (i = 0; i < 5; i++) {
            if (IEC2645(src, dst + i * 6, len, 12, i + 1, 0x4000) != 0) {
                proto_iec_reverse_data(dst + i * 6, 6);
            } else {
                os_mem_set(dst + i * 6, 0xFF, datalen - 6 * i);
                break;
            }
        }
#else
        if (IEC2645(src, dst, len, 12, 1, 0x0000) != 0) {
            proto_iec_reverse_data(dst, 6);
            datalen = 6;
        } else {
            os_mem_set(dst, 0xFF, 6);
            datalen = 6;
        }
#endif
    break;
    }
    case 0xC000:
    {
        d_len = 4;
        goto Trans_Entry;
    }
    case 0xC032:
    {
        d_len = 12;
        goto A080_Entry;
    }
    case 0xC106:
    {
        d_len = 4;
        goto C10X_Entry;
    }
    case 0xC107:
    {
        d_len = 32;
        goto C10X_Entry;
    }
    case 0x9FC0:
    case 0x9FC1:
    {
        d_len = 80;
        goto C9FX_Entry;
    }
    case 0x9FC2:
    {
        d_len = 24;
        goto C9FX_Entry;
    }
    case 0x9FC3:
    {
        d_len = 56;
        goto C9FX_Entry;
    }
    case 0xE601:
    case 0xE602:
    case 0xE603:
    case 0xE604:
    case 0xE605:
    case 0xE606:
    case 0xE607:
    case 0xE608:
    case 0xE609:
    case 0xE60A:
    case 0xE60B:
    case 0xE60C:
    case 0xE60D:
    case 0xE60E:
    case 0xE60F:
    case 0xE610:
    case 0xE611:
    case 0xE612:
    case 0xE613:
    case 0xE614:
    case 0xE615:
    case 0xE616:
    case 0xE617:
    case 0xE618:
    case 0xE619:
    case 0xE61A:
    case 0xE61B:
    case 0xE61C:
    case 0xE61D:
    case 0xE61E:
    {
        d_len = 58;
Trans_Entry:
        for (i = 0; i < len; i++) {
            if (*src == '(') {
                src++;
                break;
            }
            src++;
        }
        if (i == len)
            return 0;

        datalen = d_len / 2;
        for (i = 0; i < datalen; i++) {
            h = src[2 * i];
            l = src[2 * i + 1];
            if (h < 0x3a)
                h -= 0x30;
            else {
                if (h > 0x60)
                    h -= 0x20;
                h -= 0x37;
            }
            if (l < 0x3a)
                l -= 0x30;
            else {
                if (l > 0x60)
                    l -= 0x20;
                l -= 0x37;
            }
            dst[i] = (h << 4) | l;
        }
        break;
    }
    case 0xC105:
    case 0xC108:
    {
        d_len = 8;
C10X_Entry:
        for (i = 0; i < len; i++) {
            if (*src == '(') {
                src++;
                break;
            }
            src++;
        }
        if (i == len)
            return 0;

        datalen = d_len / 2;
        for (i = 0; i < datalen; i++) {
            h = src[2 * i];
            l = src[2 * i + 1];
            if (h < 0x3a)
                h -= 0x30;
            else {
                if (h > 0x60)
                    h -= 0x20;
                h -= 0x37;
            }
            if (l < 0x3a)
                l -= 0x30;
            else {
                if (l > 0x60)
                    l -= 0x20;
                l -= 0x37;
            }
            dst[datalen - i - 1] = (h << 4) | l;
        }
        break;
    }
    case 0x9FC4:
    {
        d_len = 20;
C9FX_Entry:
        for (i = 0; i < len; i++) {
            if (*src == '(') {
                src++;
                break;
            }
            src++;
        }
        if (i == len)
            return 0;

        datalen = d_len / 2;
        for (i = 0; i < datalen; i++) {
            h = src[2 * i];
            l = src[2 * i + 1];
            if (h < 0x3a)
                h -= 0x30;
            else {
                if (h > 0x60)
                    h -= 0x20;
                h -= 0x37;
            }
            if (l < 0x3a)
                l -= 0x30;
            else {
                if (l > 0x60)
                    l -= 0x20;
                l -= 0x37;
            }
            dst[i] = (h << 4) | l;
        }
        break;
    }
    default:
    {
        if (d_len == 104 || d_len == 50 || d_len == 52 || d_len == 12) {
A080_Entry:
            for (i = 0; i < len; i++) {
                if (*src == '(') {
                    src++;
                    break;
                }
                src++;
            }
            if (i == len) {
                return 0;
            }


            datalen = d_len / 2;
            {
                for (i = 0; i < datalen; i++) {
                    j = 2 * i;
                    dst[datalen - i - 1] =
                        ((src[j] & 0x0f) << 4) | (src[j + 1] & 0x0f);
                }
            }
            break;
        } else {
            return 0;
        }
    }
    }
    return datalen;
}

uint8_t proto_iec_yj_iec_map_to_64597_data_multi_obis(
    uint16_t di, uint8_t *src, uint8_t *dst, uint8_t len,
    uint8_t *multi_obis_idx)
{
    uint8_t datalen = 0, i;
    switch (di) {
    case 0x0400:
    case 0x0600:
    case 0x0800:
    case 0x0A00:
    case 0x0C00:
    case 0x0E00:
    case 0x1000:
    case 0x1200:
    case 0x1400:
    case 0x1600:
    case 0x1800:
    case 0x1A00:

    case 0x0410:
    case 0x0610:
    case 0x0810:
    case 0x0A10:
    case 0x0C10:
    case 0x0E10:
    case 0x1010:
    case 0x1210:
    case 0x1410:
    case 0x1610:
    case 0x1810:
    case 0x1A10:

    case 0x0420:
    case 0x0620:
    case 0x0820:
    case 0x0A20:
    case 0x0C20:
    case 0x0E20:
    case 0x1020:
    case 0x1220:
    case 0x1420:
    case 0x1620:
    case 0x1820:
    case 0x1A20:

    case 0x0430:
    case 0x0630:
    case 0x0830:
    case 0x0A30:
    case 0x0C30:
    case 0x0E30:
    case 0x1030:
    case 0x1230:
    case 0x1430:
    case 0x1630:
    case 0x1830:
    case 0x1A30:

    case 0x0440:
    case 0x0640:
    case 0x0840:
    case 0x0A40:
    case 0x0C40:
    case 0x0E40:
    case 0x1040:
    case 0x1240:
    case 0x1440:
    case 0x1640:
    case 0x1840:
    case 0x1A40:

    case 0x04C0:
    case 0x06C0:
    case 0x08C0:
    case 0x0AC0:
    case 0x0CC0:
    case 0x0EC0:
    case 0x10C0:
    case 0x12C0:
    case 0x14C0:
    case 0x16C0:
    case 0x18C0:
    case 0x1AC0:

    case 0x04D0:
    case 0x06D0:
    case 0x08D0:
    case 0x0AD0:
    case 0x0CD0:
    case 0x0ED0:
    case 0x10D0:
    case 0x12D0:
    case 0x14D0:
    case 0x16D0:
    case 0x18D0:
    case 0x1AD0:

    case 0x04E0:
    case 0x06E0:
    case 0x08E0:
    case 0x0AE0:
    case 0x0CE0:
    case 0x0EE0:
    case 0x10E0:
    case 0x12E0:
    case 0x14E0:
    case 0x16E0:
    case 0x18E0:
    case 0x1AE0:

    case 0x04F0:
    case 0x06F0:
    case 0x08F0:
    case 0x0AF0:
    case 0x0CF0:
    case 0x0EF0:
    case 0x10F0:
    case 0x12F0:
    case 0x14F0:
    case 0x16F0:
    case 0x18F0:
    case 0x1AF0:
    {
        if (IEC2645(src, dst, len, 10, 1, 0x0000) != 0) {
            proto_iec_reverse_data(dst, 5);
            datalen = 5;
        }
        break;
    }
    case 0x2400:
    case 0x2500:
    case 0x2600:
    case 0x2700:
    case 0x2800:
    case 0x2900:
    case 0x2A00:
    case 0x2B00:
    case 0x2C00:
    case 0x2D00:
    case 0x2E00:
    case 0x2F00:

    case 0x2410:
    case 0x2510:
    case 0x2610:
    case 0x2710:
    case 0x2810:
    case 0x2910:
    case 0x2A10:
    case 0x2B10:
    case 0x2C10:
    case 0x2D10:
    case 0x2E10:
    case 0x2F10:

    case 0x2420:
    case 0x2520:
    case 0x2620:
    case 0x2720:
    case 0x2820:
    case 0x2920:
    case 0x2A20:
    case 0x2B20:
    case 0x2C20:
    case 0x2D20:
    case 0x2E20:
    case 0x2F20:

    case 0x2430:
    case 0x2530:
    case 0x2630:
    case 0x2730:
    case 0x2830:
    case 0x2930:
    case 0x2A30:
    case 0x2B30:
    case 0x2C30:
    case 0x2D30:
    case 0x2E30:
    case 0x2F30:

    case 0x2440:
    case 0x2540:
    case 0x2640:
    case 0x2740:
    case 0x2840:
    case 0x2940:
    case 0x2A40:
    case 0x2B40:
    case 0x2C40:
    case 0x2D40:
    case 0x2E40:
    case 0x2F40:
    {
#ifdef LEN_ADD1BYTE
        if (IEC2645(src, dst, len, 8, 1, 0x0010) != 0) {
            proto_iec_reverse_data(dst, 4);
            datalen += 4;
        }

        if (IEC2645(src, &dst[4], len, 10, 2, 0x0000) != 0) {
            proto_iec_reverse_data(&dst[4], 5);
            datalen += 5;
        }
        if (datalen != 9) {
            datalen = 0;
        }
#else
        if (IEC2645(src, dst, len, 6, 1, 0x0010) != 0) {
            proto_iec_reverse_data(dst, 3);
            datalen += 3;
        }

        if (IEC2645(src, &dst[3], len, 10, 2, 0x0000) != 0) {
            proto_iec_reverse_data(&dst[3], 5);
            datalen += 5;
        }
        if (datalen != 8) {
            datalen = 0;
        }
#endif
        break;
    }

#ifdef ADD_GRID
    case 0xE710:
    {
        if ((*multi_obis_idx == 1) ||
            (*multi_obis_idx == 2)) {
#ifdef LEN_ADD1BYTE
            if (IEC2645(src, dst, len, 10, 1, 0x0000) != 0) {
                proto_iec_reverse_data(dst, 5);
                datalen = 5;
            }
#else
            if (IEC2645(src, dst, len, 10, 1, 0x0020) != 0) {
                proto_iec_reverse_data(dst, 4);
                datalen = 4;
            }
#endif
        } else if (*multi_obis_idx == 3) {
#ifdef LEN_ADD1BYTE
            if (IEC2645(src, dst, len, 6, 1, 0x0101) != 0) {
                proto_iec_reverse_data(dst, 3);
                datalen = 3;
            }
#else
            if (IEC2645(src, dst, len, 4, 1, 0x0101) != 0) {
                proto_iec_reverse_data(dst, 2);
                datalen = 2;
            }
#endif
        } else if (*multi_obis_idx == 4) {
#ifdef LEN_ADD1BYTE
            if (IEC2645(src, dst, len, 6, 1, 0x0000) != 0) {
                proto_iec_reverse_data(dst, 3);
                datalen = 3;
            }
#else
            if (IEC2645(src, dst, len, 6, 1, 0x0020) != 0) {
                proto_iec_reverse_data(dst, 2);
                datalen = 2;
            }
#endif
        } else if (*multi_obis_idx == 50) {
            if (IEC2645(src, dst, len, 8, 1, 0x8000) != 0) {
                proto_iec_reverse_data(dst, 4);
                datalen = 4;
            }
        }
        break;
    }
    case 0xE720:
    case 0xE730:
    {
#ifdef LEN_ADD1BYTE
        if (IEC2645(src, dst, len, 10, 1, 0x0000) != 0) {
            proto_iec_reverse_data(dst, 5);
            datalen = 5;
        }
#else
        if (IEC2645(src, dst, len, 10, 1, 0x0020) != 0) {
            proto_iec_reverse_data(dst, 4);
            datalen = 4;
        }
#endif
        break;
    }
    case 0xE740:
    {
        if ((*multi_obis_idx == 1) ||
            (*multi_obis_idx == 2) ||
            (*multi_obis_idx == 3)) {
#ifdef LEN_ADD1BYTE
            if (IEC2645(src, dst, len, 6, 1, 0x0000) != 0) {
                proto_iec_reverse_data(dst, 3);
                datalen = 3;
            }
#else
            if (IEC2645(src, dst, len, 6, 1, 0x0020) != 0) {
                proto_iec_reverse_data(dst, 2);
                datalen = 2;
            }
#endif
        } else if (
            (*multi_obis_idx == 4) ||
            (*multi_obis_idx == 5) ||
            (*multi_obis_idx == 50)) {
#ifdef LEN_ADD1BYTE
            if (IEC2645(src, dst, len, 6, 1, 0x0101) != 0) {
                proto_iec_reverse_data(dst, 3);
                datalen = 3;
            }
#else
            if (IEC2645(src, dst, len, 4, 1, 0x0101) != 0) {
                proto_iec_reverse_data(dst, 2);
                datalen = 2;
            }
#endif
        }
        break;
    }
    case 0xE750:
    {
#ifdef LEN_ADD1BYTE
        if (IEC2645(src, dst, len, 8, 1, 0x0010) != 0) {
            proto_iec_reverse_data(dst, 4);
            datalen = 4;
        }
        if (IEC2645(src, &dst[4], len, 10, 2, 0x0000) != 0) {
            proto_iec_reverse_data(&dst[4], 5);
            datalen += 5;
        }
        if (datalen != 9) {
            datalen = 0;
        }
#else
        if (IEC2645(src, dst, len, 6, 1, 0x0010) != 0) {
            proto_iec_reverse_data(dst, 3);
            datalen = 3;
        }
        if (IEC2645(src, &dst[3], len, 10, 2, 0x0000) != 0) {
            proto_iec_reverse_data(&dst[3], 5);
            datalen += 5;
        }
        if (datalen != 8) {
            datalen = 0;
        }
#endif
        break;
    }
#endif

#ifdef ADD_GRID2
    case 0xE760:
    {
        if ((*multi_obis_idx == 1) ||
            (*multi_obis_idx == 3) ||
            (*multi_obis_idx == 4) ||
            (*multi_obis_idx == 5) ||
            (*multi_obis_idx == 6) ||
            (*multi_obis_idx == 9) ||
            (*multi_obis_idx == 17) ||
            (*multi_obis_idx == 18) ||
            (*multi_obis_idx == 19) ||
            (*multi_obis_idx == 20) ||
            (*multi_obis_idx == 21) ||
            (*multi_obis_idx == 22)) {
#ifdef LEN_ADD1BYTE
            if (IEC2645(src, dst, len, 10, 1, 0x0000) != 0) {
                proto_iec_reverse_data(dst, 5);
                datalen = 5;
            }
#else
            if (IEC2645(src, dst, len, 10, 1, 0x0020) != 0) {
                proto_iec_reverse_data(dst, 4);
                datalen = 4;
            }
#endif
        } else if ((*multi_obis_idx == 7) ||
            (*multi_obis_idx == 11) ||
            (*multi_obis_idx == 13)) {
#ifdef LEN_ADD1BYTE
            if (IEC2645(src, dst, len, 6, 1, 0x0101) != 0) {
                proto_iec_reverse_data(dst, 3);
                datalen = 3;
            }
#else
            if (IEC2645(src, dst, len, 4, 1, 0x0101) != 0) {
                proto_iec_reverse_data(dst, 2);
                datalen = 2;
            }
#endif
        }

        else if ((*multi_obis_idx == 8) ||
            (*multi_obis_idx == 12) ||
            (*multi_obis_idx == 14)) {
#ifdef LEN_ADD1BYTE
            if (IEC2645(src, dst, len, 6, 1, 0x0000) != 0) {
                proto_iec_reverse_data(dst, 3);
                datalen = 3;
            }
#else
            if (IEC2645(src, dst, len, 6, 1, 0x0020) != 0) {
                proto_iec_reverse_data(dst, 2);
                datalen = 2;
            }
#endif
        } else if (*multi_obis_idx == 10) {
            if (IEC2645(src, dst, len, 16, 1, 0x0000) != 0) {
                proto_iec_reverse_data(dst, 8);
                datalen = 8;
            }
        } else if (*multi_obis_idx == 2) {
            if (IEC2645(src, dst, len, 8, 1, 0x8000) != 0) {
                proto_iec_reverse_data(dst, 4);
                datalen = 4;
            }
        } else if (
            (*multi_obis_idx == 15) ||
            (*multi_obis_idx == 23)) {
#ifdef LEN_ADD1BYTE
            if (IEC2645(src, dst, len, 8, 1, 0x0010) != 0) {
                proto_iec_reverse_data(dst, 4);
                datalen = 4;
            }
#else
            if (IEC2645(src, dst, len, 6, 1, 0x0010) != 0) {
                proto_iec_reverse_data(dst, 3);
                datalen = 3;
            }
#endif
        } else if (
            (*multi_obis_idx == 16) ||
            (*multi_obis_idx == 50)) {
            if (IEC2645(src, dst, len, 10, 2, 0x0000) != 0) {
                proto_iec_reverse_data(dst, 5);
                datalen = 4;
            }
        }
        break;
    }
    case 0xE770:
    {
        if ((*multi_obis_idx == 1) ||
            (*multi_obis_idx == 2)) {
            datalen = 25;
            for (i = 0; i < 5; i++) {
                if (IEC2645(src, dst + i * 5, len, 10, i + 1, 0x4000) != 0) {
                    proto_iec_reverse_data(dst + i * 5, 5);
                } else {
                    os_mem_set(dst + i * 5, 0xFF, datalen - 5 * i);
                    break;
                }
            }
        } else if (
            (*multi_obis_idx == 3) ||
            (*multi_obis_idx == 50)) {
            if (IEC2645(src, dst, len, 20, 1, 0x0000) != 0) {
                proto_iec_reverse_data(dst, 10);
                datalen = 10;
            } else {
                os_mem_set(dst, 0xFF, 10);
                datalen = 10;
            }
        }
        break;
    }
    case 0xE771:
    {
        if ((*multi_obis_idx == 1) ||
            (*multi_obis_idx == 2) ||
            (*multi_obis_idx == 4) ||
            (*multi_obis_idx == 50)) {
            if (IEC2645(src, dst, len, 20, 1, 0x0000) != 0) {
                proto_iec_reverse_data(dst, 10);
                datalen = 10;
            } else {
                os_mem_set(dst, 0xFF, 10);
                datalen = 10;
            }
        } else if (*multi_obis_idx == 3) {
            datalen = 30;
            for (i = 0; i < 5; i++) {
                if (IEC2645(src, dst + i * 6, len, 12, i + 1, 0x4000) != 0) {
                    proto_iec_reverse_data(dst + i * 6, 6);
                } else {
                    os_mem_set(dst + i * 6, 0xFF, datalen - 6 * i);
                    break;
                }
            }
        }
        break;
    }

    case 0xE780:
    {
        if ((*multi_obis_idx == 1) ||
            (*multi_obis_idx == 2) ||
            (*multi_obis_idx == 50)) {
            datalen = 25;
            for (i = 0; i < 5; i++) {
                if (IEC2645(src, dst + i * 5, len, 10, i + 1, 0x4000) != 0) {
                    proto_iec_reverse_data(dst + i * 5, 5);
                } else {
                    os_mem_set(dst + i * 5, 0xFF, datalen - 5 * i);
                    break;
                }
            }
        } else if (*multi_obis_idx == 3) {
            datalen = 30;
            for (i = 0; i < 5; i++) {
                if (IEC2645(src, dst + i * 6, len, 12, i + 1, 0x4000) != 0) {
                    proto_iec_reverse_data(dst + i * 6, 6);
                } else {
                    os_mem_set(dst + i * 6, 0xFF, datalen - 6 * i);
                    break;
                }
            }
        }
        break;
    }
    case 0xE781:
    {
        if ((*multi_obis_idx == 1) ||
            (*multi_obis_idx == 3) ||
            (*multi_obis_idx == 4) ||
            (*multi_obis_idx == 50)) {
            datalen = 25;
            for (i = 0; i < 5; i++) {
                if (IEC2645(src, dst + i * 5, len, 10, i + 1, 0x4000) != 0) {
                    proto_iec_reverse_data(dst + i * 5, 5);
                } else {
                    os_mem_set(dst + i * 5, 0xFF, datalen - 5 * i);
                    break;
                }
            }
        } else if (*multi_obis_idx == 2) {
            if (IEC2645(src, dst, len, 4, 1, 0x0000) != 0) {
                proto_iec_reverse_data(dst, 2);
                datalen = 2;
            }
        }
        break;
    }
    case 0xE782:
    case 0xE783:
    case 0xE784:
    case 0xE785:
    case 0xE786:
    case 0xE787:
    case 0xE788:
    {
        datalen = 25;
        for (i = 0; i < 5; i++) {
            if (IEC2645(src, dst + i * 5, len, 10, i + 1, 0x4000) != 0) {
                proto_iec_reverse_data(dst + i * 5, 5);
            } else {
                os_mem_set(dst + i * 5, 0xFF, datalen - 5 * i);
                break;
            }
        }
        break;
    }
    case 0xE790:
    {
        if (*multi_obis_idx == 1) {
            if (IEC2645(src, dst, len, 16, 1, 0x0000) != 0) {
                proto_iec_reverse_data(dst, 8);
                datalen = 8;
            }
        } else if (
            (*multi_obis_idx >= 2) &&
            (*multi_obis_idx <= 13)) {
            if (IEC2645(src, dst, len, 10, 1, 0x0000) != 0) {
                proto_iec_reverse_data(dst, 5);
                datalen = 5;
            }
        } else if (*multi_obis_idx == 14) {
            if (IEC2645(src, dst, len, 12, 1, 0x0000) != 0) {
                proto_iec_reverse_data(dst, 6);
                datalen = 6;
            }
        } else if (
            (*multi_obis_idx == 15) ||
            (*multi_obis_idx == 50)) {
#ifdef LEN_ADD1BYTE
            if (IEC2645(src, dst, len, 8, 1, 0x0010) != 0) {
                proto_iec_reverse_data(dst, 4);
                datalen += 4;
            }

            if (IEC2645(src, &dst[4], len, 10, 2, 0x0000) != 0) {
                proto_iec_reverse_data(&dst[4], 5);
                datalen += 5;
            }
            if (datalen != 9) {
                datalen = 0;
            }
#else
            if (IEC2645(src, dst, len, 6, 1, 0x0010) != 0) {
                proto_iec_reverse_data(dst, 3);
                datalen += 3;
            }

            if (IEC2645(src, &dst[3], len, 10, 2, 0x0000) != 0) {
                proto_iec_reverse_data(&dst[3], 5);
                datalen += 5;
            }
            if (datalen != 8) {
                datalen = 0;
            }
#endif
        }
        break;
    }
#endif
    default:
        break;
    }
    return datalen;
}