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URL https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk

Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [orpsocv2/] [sw/] [apps/] [spiflash/] [spiflash-program.c] - Diff between revs 408 and 542

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Rev 408 Rev 542
Line 245... Line 245... 
 
 
 
 
}
 
}
 
 
 
 
 
 
 
 
 
int
 
int
 
 
 
console_get_num(void)
 
 
 
{
 
 
 
        char c = 0x30;
 
 
 
        int num_nums = 0;
 
 
 
        int num_nums_total;
 
 
 
        char nums[16]; // up to 16 decimal digits long
 
 
 
        int retval = 0;
 
 
 
        int decimal_multiplier;
 
 
 
        int i;
 
 
 
 
 
 
 
        printf("Enter decimal value: ");
 
 
 
 
 
 
 
        while (c >= 0x30 && c < 0x40)
 
 
 
        {
 
 
 
                c = uart_getc(DEFAULT_UART);
 
 
 
 
 
 
 
                if (c >= 0x30 && c < 0x40)
 
 
 
                {
 
 
 
                        printf("%d", c-0x30);
 
 
 
                        nums[num_nums] = c-0x30;
 
 
 
                        num_nums++;
 
 
 
                }
 
 
 
 
 
 
 
        }
 
 
 
        printf("\n");
 
 
 
 
 
 
 
        num_nums_total = num_nums;
 
 
 
 
 
 
 
        while(num_nums--)
 
 
 
        {
 
 
 
                decimal_multiplier = 1;
 
 
 
                for(i=1;i<num_nums_total - num_nums;i++)
 
 
 
                        decimal_multiplier *= 10;
 
 
 
                //printf("%d * %d\n",decimal_multiplier,nums[num_nums]);
 
 
 
 
 
 
 
                retval += (decimal_multiplier * nums[num_nums]);
 
 
 
        }
 
 
 
        //printf("%d\n",retval);
 
 
 
        return retval;
 
 
 
}
 
 
 
 
 
 
 
 
 
 
 
// HEX chars in ASCII:
 
 
 
// 0: 0x30 (48), 1: 0x31 ... 9: 0x39
 
 
 
// A: 0x41 (65), B: 0x42 ... F: 0x46
 
 
 
// a: 0x61 (97), b: 0x62 ... f: 0x66
 
 
 
 
 
 
 
#define IS_ASCII_HEX_CHAR(x) ((x>=0x41 && x<=0x46) || (x>=0x61 && x<=0x66) || \
 
 
 
                              (x>=0x30 && x<=0x39))
 
 
 
 
 
 
 
#define ASCII_TO_HEX_VAL(x) (x>=0x41 && x<=0x46) ? x - 55 :     \
 
 
 
        (x>=0x61 && x<=0x66) ? x - 87 : x - 48;
 
 
 
unsigned long
 
 
 
console_get_hex_num(void)
 
 
 
{
 
 
 
        char c = 0x30;
 
 
 
        char hexchar;
 
 
 
        int num_nums = 0;
 
 
 
        int num_nums_total;
 
 
 
        char nums[8]; // up to 8 decimal digits long
 
 
 
        unsigned long retval = 0;
 
 
 
        int base_multiplier;
 
 
 
        int i;
 
 
 
 
 
 
 
        printf("Enter hex value: ");
 
 
 
 
 
 
 
        while (IS_ASCII_HEX_CHAR(c))
 
 
 
        {
 
 
 
                c = uart_getc(DEFAULT_UART);
 
 
 
 
 
 
 
                if (IS_ASCII_HEX_CHAR(c) && num_nums < 8)
 
 
 
                {
 
 
 
                        //printf("%c 0x%02x", c&0xff, c&0xff);
 
 
 
                        hexchar = ASCII_TO_HEX_VAL(c);
 
 
 
                        printf("%1x", hexchar&0xff);
 
 
 
                        nums[num_nums] = hexchar;
 
 
 
                        num_nums++;
 
 
 
                }
 
 
 
                if (c==0x7f) //delete
 
 
 
                {
 
 
 
                        if (num_nums>0)
 
 
 
                        {
 
 
 
                                printf("%c %c",0x8, 0x8);
 
 
 
                                num_nums--;
 
 
 
                        }
 
 
 
                        c = 0x30;
 
 
 
                }
 
 
 
 
 
 
 
        }
 
 
 
        printf("\n");
 
 
 
 
 
 
 
        num_nums_total = num_nums;
 
 
 
 
 
 
 
        while(num_nums--)
 
 
 
        {
 
 
 
                base_multiplier = 1;
 
 
 
                for(i=1;i<num_nums_total - num_nums;i++)
 
 
 
                        base_multiplier *= 16;
 
 
 
                //printf("%d * %d\n",base_multiplier,nums[num_nums]);
 
 
 
 
 
 
 
                retval += (base_multiplier * nums[num_nums]);
 
 
 
        }
 
 
 
        //printf("%d\n",retval);
 
 
 
 
 
 
 
        return retval;
 
 
 
}
 
 
 
 
 
 
 
 
 
 
 
void
 
 
 
console_browse_buffer(char* buf)
 
 
 
{
 
 
 
        char c = 0;
 
 
 
        int offset = 0;
 
 
 
        const int linesize = 16;
 
 
 
        int i;
 
 
 
        printf("Press space to scroll through buffer, q to return\n");
 
 
 
        printf("+/- alter address offset\n");
 
 
 
        while (1)
 
 
 
        {
 
 
 
                c = uart_getc(DEFAULT_UART);
 
 
 
 
 
 
 
                if (c == 'q')
 
 
 
                        return;
 
 
 
                else if (c == 'r')
 
 
 
                        offset=0;
 
 
 
                else if (c == '+')
 
 
 
                {
 
 
 
                        if (offset <= (256 - linesize))
 
 
 
                                offset+=linesize;
 
 
 
                        printf("%04x:\r",offset);
 
 
 
                }
 
 
 
                else if (c == '-')
 
 
 
                {
 
 
 
                        if (offset >=linesize)
 
 
 
                                offset-=linesize;
 
 
 
 
 
 
 
                        printf("%04x:\r",offset);
 
 
 
                }
 
 
 
                else if (c == 0x20 && (offset < 256)) // space, print al ine
 
 
 
                {
 
 
 
                        printf("%04x:",offset);
 
 
 
                        // print another line of the buffer
 
 
 
                        for (i=0;i<linesize;i++)
 
 
 
                        {
 
 
 
                                printf(" %02x", buf[offset+i]&0xff);
 
 
 
                        }
 
 
 
                        printf("\n");
 
 
 
                        if (offset <= (256 - linesize))
 
 
 
                                offset += linesize;
 
 
 
 
 
 
 
                }
 
 
 
        }
 
 
 
 
 
 
 
}
 
 
 
 
 
 
 
 
 
 
 
int
 
main()
 
main()
 
{
 
{
 
 
 
 
 
  uart_init(0); // init the UART before we can printf
 
  uart_init(0); // init the UART before we can printf
 
 
 
 
 
  volatile char c;
 
  volatile char c;
 
  int i,j;
 
  int i,j;
 
 
 
  char browse_buf[256];
 
  spi_master = 0;
 
  spi_master = 0;
 
  slave = 1;
 
  slave = 1;
 
 
 
 
 
  spi_core_slave_select(spi_master, 0); // Deselect slaves
 
  spi_core_slave_select(spi_master, 0); // Deselect slaves
 
 
 
 
Line 284... Line 442... 
      print_spi_status();
 
      print_spi_status();
 
    else if (c == 'p')
 
    else if (c == 'p')
 
      program_spi(spi_master, slave, (char *) &spiprogram_data, programming_file_length);
 
      program_spi(spi_master, slave, (char *) &spiprogram_data, programming_file_length);
 
    else if (c == 'v')
 
    else if (c == 'v')
 
      verify_spi(spi_master, slave, (char *) &spiprogram_data, programming_file_length);
 
      verify_spi(spi_master, slave, (char *) &spiprogram_data, programming_file_length);
 
 
 
    else if ( c== 'r')
 
 
 
    {
 
 
 
            printf("Read page\n");
 
 
 
            spi_read_block(spi_master, slave, ((console_get_num())<<8),
 
 
 
                           256,
 
 
 
                           browse_buf);
 
 
 
            console_browse_buffer(browse_buf);
 
 
 
    }
 
 
 
 
 
 
 
 
 
  }
 
  }
 
 
 
 
 
  return 0;
 
  return 0;

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