STM32F103ZET_JDASMBIC/Bluecell_Src/eeprom.c

/*
 * eeprom.c
 *
 *  Created on: 2020. 4. 22.
 *      Author: parkyj
 */
#include <stdio.h>
#include <string.h>
#include "main.h"
#include "eeprom.h"
#include "Bluecell_operate.h"
#include "stm32f1xx_hal.h"
#include "stm32f1xx_hal_gpio.h"

/* Includes ------------------------------------------------------------------*/   
HAL_StatusTypeDef EEPROM_M24C08_ByteRead(uint16_t devid,uint16_t Address,uint8_t* data,uint8_t size);


extern BLUESTATUS_st bluecell_Currdatastatus;






uint8_t testdata[120];
#define ATTENTABLEDLUL_LENGTH 64
#define ATTENTABLEDET_DL_LENGTH 31
#define ATTENTABLEDET_UL_LENGTH 46

#define ATTENTABLE_TEMP_LENGTH 10

#define ATTENTABLEDL_REF   0
#define ATTENTABLEUL_REF   0
#define ATTENTABLEDET_DL_REF 5
#define ATTENTABLEDET_UL_REF -15
#define ATTENTABLE_TEMP_REF  -10
void EEPROM_M24C08_Init(void){
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_WINDOW_STATUS_ADDRESDS,&bluecell_Currdatastatus.bluecell_header,sizeof(BLUESTATUS_st) );

    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_ATT_BASE              ,&Att_DL1.Table_0_0_dBm,sizeof(ATT_TABLE_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_ATT_DL1_TABLE_ADDRESDS,&Att_DL2.Table_0_0_dBm,sizeof(ATT_TABLE_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_ATT_DL2_TABLE_ADDRESDS,&Att_DL3.Table_0_0_dBm,sizeof(ATT_TABLE_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_ATT_DL3_TABLE_ADDRESDS,&Att_DL4.Table_0_0_dBm,sizeof(ATT_TABLE_st) );

    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_ATT_DL4_TABLE_ADDRESDS,&Att_UL1.Table_0_0_dBm,sizeof(ATT_TABLE_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_ATT_UL1_TABLE_ADDRESDS,&Att_UL2.Table_0_0_dBm,sizeof(ATT_TABLE_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_ATT_UL2_TABLE_ADDRESDS,&Att_UL3.Table_0_0_dBm,sizeof(ATT_TABLE_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_ATT_UL3_TABLE_ADDRESDS,&Att_UL4.Table_0_0_dBm,sizeof(ATT_TABLE_st) );

    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_ATT_UL4_TABLE_ADDRESDS,&Det_DL1.Table_Det5_dBm_H,sizeof(DET_TABLEDL_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_DET_DL1_TABLE_ADDRESDS,&Det_DL2.Table_Det5_dBm_H,sizeof(DET_TABLEDL_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_DET_DL2_TABLE_ADDRESDS,&Det_DL3.Table_Det5_dBm_H,sizeof(DET_TABLEDL_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_DET_DL3_TABLE_ADDRESDS,&Det_DL4.Table_Det5_dBm_H,sizeof(DET_TABLEDL_st) );


    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_DET_DL4_TABLE_ADDRESDS,&Det_UL1.Table_Det_15_dBm_H,sizeof(DET_TABLEUL_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_DET_UL1_TABLE_ADDRESDS,&Det_UL2.Table_Det_15_dBm_H,sizeof(DET_TABLEUL_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_DET_UL2_TABLE_ADDRESDS,&Det_UL3.Table_Det_15_dBm_H,sizeof(DET_TABLEUL_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_DET_UL3_TABLE_ADDRESDS,&Det_UL4.Table_Det_15_dBm_H,sizeof(DET_TABLEUL_st) );


    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_DET_UL4_TABLE_ADDRESDS,&Temp_DL1.Table_1_Temp,sizeof(TEMP_TABLE_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_TEMP_DL1_TABLE_ADDRESDS,&Temp_DL2.Table_1_Temp,sizeof(TEMP_TABLE_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_TEMP_DL2_TABLE_ADDRESDS,&Temp_DL3.Table_1_Temp,sizeof(TEMP_TABLE_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_TEMP_DL3_TABLE_ADDRESDS,&Temp_DL4.Table_1_Temp,sizeof(TEMP_TABLE_st) );


    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_TEMP_DL4_TABLE_ADDRESDS,&Temp_UL1.Table_1_Temp,sizeof(TEMP_TABLE_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_TEMP_UL1_TABLE_ADDRESDS,&Temp_UL2.Table_1_Temp,sizeof(TEMP_TABLE_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_TEMP_UL2_TABLE_ADDRESDS,&Temp_UL3.Table_1_Temp,sizeof(TEMP_TABLE_st) );
    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_TEMP_UL3_TABLE_ADDRESDS,&Temp_UL4.Table_1_Temp,sizeof(TEMP_TABLE_st) );
    
    /*Table Initial Length Setting */
#if 0 // PYJ.2020.06.23_BEGIN -- 
        printf("Init Temp_UL3 Length : %d \r\n",Temp_UL3.Table_Length);
        Bluecell_DataCopy(testdata, &Temp_UL3.Table_1_Temp,sizeof(TEMP_TABLE_st) );
        for(int i = 0; i < sizeof(TEMP_TABLE_st); i++){
            printf("\r\n testdata[%d] : %x ",i,testdata[i]);
        }
#endif // PYJ.2020.06.23_END -- 
    bluecell_Currdatastatus.ALARM_TEMP_HIGH = 0; //bit
    bluecell_Currdatastatus.ALARM_DLI_Level = 0;
    bluecell_Currdatastatus.ALARM_DLI_SHTUTDOWN = 0;
    bluecell_Currdatastatus.ALARM_DLI_AGC_Alarm = 0;
    bluecell_Currdatastatus.ALARM_ULO_ALC_Alarm = 0;    
    bluecell_Currdatastatus.ALARM_ULO_Level = 0;
    bluecell_Currdatastatus.ALARM_ULO_SHTUTDOWN = 0;
    bluecell_Currdatastatus.DLI_Shutdown_Retry_Count1 = 0;    
    bluecell_Currdatastatus.DLI_Shutdown_Retry_Count2 = 0;    
    bluecell_Currdatastatus.DLI_Shutdown_Retry_Count3 = 0;    
    bluecell_Currdatastatus.DLI_Shutdown_Retry_Count4 = 0;    
    bluecell_Currdatastatus.ULO_Shutdown_Retry_Count1 = 0;        
    bluecell_Currdatastatus.ULO_Shutdown_Retry_Count2 = 0;        
    bluecell_Currdatastatus.ULO_Shutdown_Retry_Count3 = 0;            
    bluecell_Currdatastatus.ULO_Shutdown_Retry_Count4 = 0;        
    bluecell_Currdatastatus.CPUVERSION1 =  0;
    bluecell_Currdatastatus.CPUVERSION2 = 0;
    bluecell_Currdatastatus.CPUVERSION3 = 6;
    Att_DL1.Table_Length  = ATTENTABLEDLUL_LENGTH;
    Att_DL2.Table_Length  = ATTENTABLEDLUL_LENGTH;
    Att_DL3.Table_Length  = ATTENTABLEDLUL_LENGTH;
    Att_DL4.Table_Length  = ATTENTABLEDLUL_LENGTH;
    Att_UL1.Table_Length  = ATTENTABLEDLUL_LENGTH;
    Att_UL2.Table_Length  = ATTENTABLEDLUL_LENGTH;
    Att_UL3.Table_Length  = ATTENTABLEDLUL_LENGTH;
    Att_UL4.Table_Length  = ATTENTABLEDLUL_LENGTH;
    Det_DL1.Table_Length  = ATTENTABLEDET_DL_LENGTH;
    Det_DL2.Table_Length  = ATTENTABLEDET_DL_LENGTH;
    Det_DL3.Table_Length  = ATTENTABLEDET_DL_LENGTH;
    Det_DL4.Table_Length  = ATTENTABLEDET_DL_LENGTH;
    Det_UL1.Table_Length  = ATTENTABLEDET_UL_LENGTH;
    Det_UL2.Table_Length  = ATTENTABLEDET_UL_LENGTH;
    Det_UL3.Table_Length  = ATTENTABLEDET_UL_LENGTH;
    Det_UL4.Table_Length  = ATTENTABLEDET_UL_LENGTH;
    Temp_DL1.Table_Length = ATTENTABLE_TEMP_LENGTH;
    Temp_DL2.Table_Length = ATTENTABLE_TEMP_LENGTH;
    Temp_DL3.Table_Length = ATTENTABLE_TEMP_LENGTH;
    Temp_DL4.Table_Length = ATTENTABLE_TEMP_LENGTH;
    Temp_UL1.Table_Length = ATTENTABLE_TEMP_LENGTH;
    Temp_UL2.Table_Length = ATTENTABLE_TEMP_LENGTH;
    Temp_UL3.Table_Length = ATTENTABLE_TEMP_LENGTH;
    Temp_UL4.Table_Length = ATTENTABLE_TEMP_LENGTH;
    Att_DL1.Table_Ref = ATTENTABLEDL_REF;
    Att_DL2.Table_Ref = ATTENTABLEDL_REF;
    Att_DL3.Table_Ref = ATTENTABLEDL_REF;
    Att_DL4.Table_Ref = ATTENTABLEDL_REF;
    Att_UL1.Table_Ref = ATTENTABLEUL_REF;
    Att_UL2.Table_Ref = ATTENTABLEUL_REF;
    Att_UL3.Table_Ref = ATTENTABLEUL_REF;
    Att_UL4.Table_Ref = ATTENTABLEUL_REF;
    Det_DL1.Table_Ref = ATTENTABLEDET_DL_REF;
    Det_DL2.Table_Ref = ATTENTABLEDET_DL_REF;
    Det_DL3.Table_Ref = ATTENTABLEDET_DL_REF;
    Det_DL4.Table_Ref = ATTENTABLEDET_DL_REF;
    Det_UL1.Table_Ref = ATTENTABLEDET_UL_REF;
    Det_UL2.Table_Ref = ATTENTABLEDET_UL_REF;
    Det_UL3.Table_Ref = ATTENTABLEDET_UL_REF;
    Det_UL4.Table_Ref = ATTENTABLEDET_UL_REF;
    Temp_DL1.Table_Ref= ATTENTABLE_TEMP_REF;
    Temp_DL2.Table_Ref= ATTENTABLE_TEMP_REF;
    Temp_DL3.Table_Ref= ATTENTABLE_TEMP_REF;
    Temp_DL4.Table_Ref= ATTENTABLE_TEMP_REF;
    Temp_UL1.Table_Ref= ATTENTABLE_TEMP_REF;
    Temp_UL2.Table_Ref= ATTENTABLE_TEMP_REF;
    Temp_UL3.Table_Ref= ATTENTABLE_TEMP_REF;
    Temp_UL4.Table_Ref= ATTENTABLE_TEMP_REF;        
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_ATT_BASE              ,&Att_DL1.Table_0_0_dBm,sizeof(ATT_TABLE_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_ATT_DL1_TABLE_ADDRESDS,&Att_DL2.Table_0_0_dBm,sizeof(ATT_TABLE_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_ATT_DL2_TABLE_ADDRESDS,&Att_DL3.Table_0_0_dBm,sizeof(ATT_TABLE_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_ATT_DL3_TABLE_ADDRESDS,&Att_DL4.Table_0_0_dBm,sizeof(ATT_TABLE_st) );

      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_ATT_DL4_TABLE_ADDRESDS,&Att_UL1.Table_0_0_dBm,sizeof(ATT_TABLE_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_ATT_UL1_TABLE_ADDRESDS,&Att_UL2.Table_0_0_dBm,sizeof(ATT_TABLE_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_ATT_UL2_TABLE_ADDRESDS,&Att_UL3.Table_0_0_dBm,sizeof(ATT_TABLE_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_ATT_UL3_TABLE_ADDRESDS,&Att_UL4.Table_0_0_dBm,sizeof(ATT_TABLE_st) );

      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_ATT_UL4_TABLE_ADDRESDS,&Det_DL1.Table_Det5_dBm_H,sizeof(DET_TABLEDL_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_DET_DL1_TABLE_ADDRESDS,&Det_DL2.Table_Det5_dBm_H,sizeof(DET_TABLEDL_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_DET_DL2_TABLE_ADDRESDS,&Det_DL3.Table_Det5_dBm_H,sizeof(DET_TABLEDL_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_DET_DL3_TABLE_ADDRESDS,&Det_DL4.Table_Det5_dBm_H,sizeof(DET_TABLEDL_st) );


      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_DET_DL4_TABLE_ADDRESDS,&Det_UL1.Table_Det_15_dBm_H,sizeof(DET_TABLEUL_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_DET_UL1_TABLE_ADDRESDS,&Det_UL2.Table_Det_15_dBm_H,sizeof(DET_TABLEUL_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_DET_UL2_TABLE_ADDRESDS,&Det_UL3.Table_Det_15_dBm_H,sizeof(DET_TABLEUL_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_DET_UL3_TABLE_ADDRESDS,&Det_UL4.Table_Det_15_dBm_H,sizeof(DET_TABLEUL_st) );


      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_DET_UL4_TABLE_ADDRESDS,&Temp_DL1.Table_1_Temp,sizeof(TEMP_TABLE_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_TEMP_DL1_TABLE_ADDRESDS,&Temp_DL2.Table_1_Temp,sizeof(TEMP_TABLE_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_TEMP_DL2_TABLE_ADDRESDS,&Temp_DL3.Table_1_Temp,sizeof(TEMP_TABLE_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_TEMP_DL3_TABLE_ADDRESDS,&Temp_DL4.Table_1_Temp,sizeof(TEMP_TABLE_st) );


      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_TEMP_DL4_TABLE_ADDRESDS,&Temp_UL1.Table_1_Temp,sizeof(TEMP_TABLE_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_TEMP_UL1_TABLE_ADDRESDS,&Temp_UL2.Table_1_Temp,sizeof(TEMP_TABLE_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_TEMP_UL2_TABLE_ADDRESDS,&Temp_UL3.Table_1_Temp,sizeof(TEMP_TABLE_st) );
      EEPROM_M24C08_write(EEPROM_M24C08_ID,EEPROM_TEMP_UL3_TABLE_ADDRESDS,&Temp_UL4.Table_1_Temp,sizeof(TEMP_TABLE_st) );


    bluecell_Currdatastatus.ALARM_TEMP_HIGH          = 0;
    bluecell_Currdatastatus.ALARM_DLI_Level          = 0;
    bluecell_Currdatastatus.ALARM_DLI_SHTUTDOWN  = 0;
    bluecell_Currdatastatus.ALARM_DLI_AGC_Alarm      = 0;
    bluecell_Currdatastatus.ALARM_ULO_ALC_Alarm      = 0;
    bluecell_Currdatastatus.ALARM_ULO_Level          = 0;
    bluecell_Currdatastatus.ALARM_ULO_SHTUTDOWN  = 0;

//    printf("bluecell_Currdatastatus.ATT_DL1_H : %x\r\n",bluecell_Currdatastatus.ATT_DL1_H);
//    printf("bluecell_Currdatastatus.ATT_DL1_L : %x\r\n",bluecell_Currdatastatus.ATT_DL1_L);        
//    
    printf("EEPROM INIT COMPLETE\r\n");

}










#if 0 // PYJ.2020.04.23_BEGIN -- 


void eepromtest(){
    memset(&eepdata[0],0x33,100);
    for(int i = 0; i < 100; i ++ ){
        printf("data[%d] : %x \r\n",i,eepdata[i]);
        EEPROM_M24C08_Bytewrite(EEPROM_M24C08_ID,EEPROM_ATT_BASE + i,&eepdata[i],1);
    }  
    for(int i = 0; i < 100; i ++ ){
        EEPROM_M24C08_ByteRead(EEPROM_M24C08_ID,EEPROM_ATT_BASE + i,&eepdata[i],1);
        printf("data[%d] : %x \r\n",i,eepdata[i]);
    }  
//    EEPROM_M24C08_Read(EEPROM_M24C08_ID,EEPROM_ATT_BASE,&eepdata[0],100);
//    for(int i = 0; i < 100; i ++ ){
//        printf("data[%d] : %x \r\n",i,eepdata[i]);
//    }    

}
#endif // PYJ.2020.04.23_END -- 

#define MAXEEPROM_LENG 32

HAL_StatusTypeDef EEPROM_M24C08_Read(uint8_t devid,uint16_t Address,uint8_t* data,uint16_t size){
   HAL_StatusTypeDef ret = HAL_ERROR;
 //  uint16_t sizecnt = 0,
   //uint16_t sizeremain = 0;
  // uint16_t addrees_inc = 0;
//   ret = HAL_I2C_Mem_Read(&hi2c2, devid | ((Address & 0x0300) >> 7),((Address )),  I2C_MEMADD_SIZE_8BIT, &data[0], size, 1024);

   ret = HAL_I2C_Mem_Read(&hi2c2, devid ,((Address )),  I2C_MEMADD_SIZE_16BIT, &data[0], size, 1024);
//      EEPROM24XX_Load( Address,data, size);

      if(ret == HAL_ERROR)
            printf("Write ERR\r\n");
//        else
//            HAL_Delay(20);

    return ret;   
}
HAL_StatusTypeDef EEPROM_M24C08_write(uint8_t devid,uint16_t Address,uint8_t* data,uint16_t size){
    HAL_StatusTypeDef ret = HAL_ERROR;
    uint8_t sizecnt = 0,sizeremain = 0; 
    uint16_t addrees_inc = 0;
    sizecnt = size /MAXEEPROM_LENG;
    sizeremain = size % MAXEEPROM_LENG;
    addrees_inc = 0;
#if 0 // PYJ.2020.04.25_BEGIN -- 
       for(int i = 0 ; i <sizecnt; i++ ){
            addrees_inc = i * 16;
            ret = HAL_I2C_Mem_Write(&hi2c2, devid | (((Address  + addrees_inc) & 0x0300) >> 7),((Address + addrees_inc)) ,  I2C_MEMADD_SIZE_8BIT, &data[addrees_inc], 16, 1024);
            if(ret == HAL_ERROR)
                printf("Write ERR\r\n");
            else
                HAL_Delay(20);
       }
       addrees_inc += 16;
           ret = HAL_I2C_Mem_Write(&hi2c2, devid | (((Address  + addrees_inc) & 0x0300) >> 7),((Address + addrees_inc)) ,  I2C_MEMADD_SIZE_8BIT, &data[addrees_inc], sizeremain, 1024);
            //       EEPROM24XX_Save( Address,data, size);
            if(ret == HAL_ERROR)
                printf("Write ERR\r\n");
            else
                HAL_Delay(20);
#else
//    printf("size : %d sizecnt = %d sizeremain : %d\r\n",size,sizecnt,sizeremain);
    if(sizecnt > 0){
        for(int i = 0 ; i < sizecnt; i++ ){
             addrees_inc = i * MAXEEPROM_LENG;
             ret = HAL_I2C_Mem_Write(&hi2c2, devid  ,((Address + addrees_inc) & 0xFFFF) ,  I2C_MEMADD_SIZE_16BIT, &data[addrees_inc], MAXEEPROM_LENG, 1024);

             if(ret == HAL_ERROR)
                 printf("Write ERR\r\n");
             else
                 HAL_Delay(20);
        }
        addrees_inc += MAXEEPROM_LENG;
    }

//    printf("Remain Data Index : %d \r\n",sizeremain);
    
    if(sizeremain > 0){
//         printf("Remain Data Write Start ");
        for(int i = 0; i < sizeremain; i++){
            ret = HAL_I2C_Mem_Write(&hi2c2, devid  ,((Address + addrees_inc + i)& 0xFFFF) ,  I2C_MEMADD_SIZE_16BIT, &data[addrees_inc + i], 1, 0xFFFF);
         //       EEPROM24XX_Save( Address,data, size);
         if(ret == HAL_ERROR)
             printf("Write ERR\r\n");
         else
             HAL_Delay(20);
        }
    }

#endif // PYJ.2020.04.25_END -- 
    return ret;
}

HAL_StatusTypeDef EEPROM_M24C08_Zerowrite(uint8_t devid,uint16_t Address){
    HAL_StatusTypeDef ret = HAL_ERROR;
   // uint8_t sizeremain = 0;
    uint16_t addrees_inc = 0;
    addrees_inc = 0;
    uint8_t data[4096] = {0,};


    for(int i = 0 ; i < 128; i++ ){
         addrees_inc = i * MAXEEPROM_LENG;
         ret = HAL_I2C_Mem_Write(&hi2c2, devid  ,((Address + addrees_inc) & 0xFFFF) ,  I2C_MEMADD_SIZE_16BIT, &data[0], MAXEEPROM_LENG, 0xFFFF);
         if(ret == HAL_ERROR)
             printf("Write ERR\r\n");
         else
             HAL_Delay(20);
    }


    return ret;
}