Subversion Repositories usb_nand_reader

#include "NandControl.h"

#include "CMD.h"

void cmd_chip_read_page(unsigned char* inBuffer, unsigned char* outBuffer, int len, int addressCycles)

{

    nand_send_command(NC_READ_MODE);

    nand_send_address(inBuffer + 1, addressCycles);

    nand_send_command(NC_READ_PAGE);

    do_delay(5);

    while(!nand_is_ready());

    //nand_read(outBuffer, len);

    /* Testing something */

    {

        int i;

        for(i = 0; i < len; i += 64)

        {

            nand_read(outBuffer, 64);

            //HID_Write(outBuffer, 64);

          while(0 == HID_Write(outBuffer, 64))

                USB_Break();

        }

    }

}

/*

inBUffer - buffer containing the instruction read from USB

outBuffer - buffer to store page data (to be sent via USB)

len - size of page in bytes including OOB

addressCycles - numbre of address cycles for current chip

*/

void cmd_chip_read_page_cache_sequential(unsigned char* inBuffer, unsigned char* outBuffer, int len, int addressCycles)

{

    int i = 0;

    int j = *(int*)(inBuffer + 6);

    nand_send_command(NC_READ_MODE);

    nand_send_address(inBuffer + 1, addressCycles);

    nand_send_command(NC_READ_PAGE);

    do_delay(5);

    nand_wait_ready();

    while(j > 0)

    {

      nand_send_command( (j > 1)? NC_READ_PAGE_CACHE_SEQ : NC_READ_PAGE_CACHE_LAST);

      j--;

      //do_delay(5);

      nand_wait_ready();

      //do_delay(5);

      for(i = 0; i < len; i += 64)

      {

          nand_read(outBuffer, 64);

          while(!HID_Write(outBuffer, 64));

                USB_Break();

          //while(HID_Write(outBuffer, 64));

      }

    }

}