#define USE_STATUS_REG 0   //doesn't help any way

void LOGGER_PageWrite(uint32_t address, uint32_t length, uint8_t *buffer)
{
    #if USE_STATUS_REG
    uint32_t timer;
    #endif
    volatile uint32_t page_limit=0;
    volatile uint32_t bytes_to_fit=0;
    volatile uint32_t bytes_to_write=0;

    //find a page limit for the address
    while (address > page_limit)
    {
        page_limit += 64;
    }
    //actual page limit
    page_limit--;

    bytes_to_fit = page_limit - address;
    bytes_to_write = bytes_to_fit;

    // Note!!!Every write operation demands a write enable!!!
    SPI_CSlow();
    SPI_SendByte(SPIEEPROM_CMD_WREN);
    SPI_CShigh();

    // start write
    SPI_CSlow();
    // send write command
    SPI_SendByte(SPIEEPROM_CMD_WRITE);
    // send address
    SPI_SendByte(address>>8);
    SPI_SendByte(address&0x00FF);
    while(bytes_to_write--)
    {
        // send data to be written
         SPI_SendByte(*buffer++);
    }
    // stop write
    SPI_CShigh();

    #if USE_STATUS_REG
    timer = LOGGER_DELAY;
    //wait for write operation to complete
    while(SPIEEPROM_ReadStatus() & SPIEEPROM_STATUS_WIP)
    {
        if(!--timer)
           break;
    }
    #else
    //needs 5ms for page write
    Delay_us_sys(5000);
    #endif

    if (bytes_to_fit <= length)
    {
        address += bytes_to_fit+1;
        bytes_to_write = length - bytes_to_fit;

         // Note!!!Every write operation demands a write enable!!!
        SPI_CSlow();
        SPI_SendByte(SPIEEPROM_CMD_WREN);
        SPI_CShigh();

        // start write
        SPI_CSlow();
        // send write command
        SPI_SendByte(SPIEEPROM_CMD_WRITE);
        // send address
        SPI_SendByte(address>>8);
        SPI_SendByte(address&0xFF);
        while(bytes_to_write--)
        {
            // send data to be written
            SPI_SendByte(*buffer++);
        }
        // stop write
        SPI_CShigh();

        #if USE_STATUS_REG
        timer = LOGGER_DELAY;
        //wait for write operation to complete
        while(SPIEEPROM_ReadStatus() & SPIEEPROM_STATUS_WIP)
        {
            if(!--timer)
                break;
        }
        #else
        //needs 5ms for page write
        Delay_us_sys(5000);
        #endif
    }
}

uint8_t rxbuffer[50];
for (int i=0; i < 50; i++)
{
    rxbuffer[i] = i+1;
}
LOGGER_PageWrite(80, 50, rxbuffer);

uint8_t txbuffer[50];
LOGGER_Read(80, 50,txbuffer);