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Ethernet Bootloader LPC1768

Hi all,

I have try to use Ethernet bootloader on Cortex-M3 LPC1768. The bootloader sample code used was provided by Flash Magic. I have try to upload the blinky sample code through Ethernet, it is work well. However, i have try to upload http_demo sample code(with modification) through Ethernet, the application code does not work at all.

I have set the start address to 0x2000 and remapping the interrupt vector table to alternate locations in the memory map

SCB->VTOR = 0x2007C000;

But, it didn't help also. Anybody can help on this problem?

Below is the part of memory map contents of http_demo sample code(with modification).

==============================================================================

Memory Map of the image

  Image Entry point : 0x000020cd

  Load Region LR_IROM1 (Base: 0x00002000, Size: 0x000107fc, Max: 0x00080000, ABSOLUTE, COMPRESSED[0x000106cc])

    Execution Region ER_IROM1 (Base: 0x00002000, Size: 0x0001068c, Max: 0x00080000, ABSOLUTE)

    Base Addr    Size         Type   Attr      Idx    E Section Name        Object

    0x00002000   0x000000cc   Data   RO          231    RESET               startup_lpc17xx.o
    0x000020cc   0x00000000   Code   RO          630  * .ARM.Collect$$$$00000000  mc_w.l(entry.o)
    0x000020cc   0x00000004   Code   RO          924    .ARM.Collect$$$$00000001  mc_w.l(entry2.o)
    0x000020d0   0x00000004   Code   RO          927    .ARM.Collect$$$$00000004  mc_w.l(entry5.o)
    0x000020d4   0x00000008   Code   RO          928    .ARM.Collect$$$$00000007  mc_w.l(entry7.o)
    0x000020dc   0x00000004   Code   RO          925    .ARM.Collect$$$$00002712  mc_w.l(entry2.o)
    0x000020e0   0x000049a8   Code   RO            2    .text               http_demo.o
    0x00006a88   0x00000f3c   Code   RO           81    .text               http_cgi.o
    0x000079c4   0x00000308   Code   RO          131    .text               i2c.o
    0x00007ccc   0x00000128   Code   RO          164    .text               eeprom.o
    0x00007df4   0x000001d0   Code   RO          184    .text               timer0.o
    0x00007fc4   0x00000060   Code   RO          209    .text               net_config.o
    0x00008024   0x0000001c   Code   RO          233    .text               startup_lpc17xx.o
    0x00008040   0x00000648   Code   RO          280    .text               emac_lpc17xx.o
    0x00008688   0x00000224   Code   RO          305    .text               system_lpc17xx.o
    0x000088ac   0x00000024   Code   RO          633    .text
    .
    .
    .
    .
    .
    .
    .


    Execution Region RW_IRAM1 (Base: 0x10000000, Size: 0x00005530, Max: 0x00008000, ABSOLUTE, COMPRESSED[0x00000040])

    Base Addr    Size         Type   Attr      Idx    E Section Name        Object

    0x10000000   0x00000088   Data   RW            5    .data               http_demo.o
    0x10000088   0x00000028   Data   RW           83    .data               http_cgi.o
    0x100000b0   0x00000024   Data   RW          133    .data               i2c.o
    0x100000d4   0x00000034   Data   RW          185    .data               timer0.o
    0x10000108   0x0000002a   Data   RW          212    .data               net_config.o
    0x10000132   0x00000002   PAD
    0x10000134   0x00000005   Data   RW          282    .data               emac_lpc17xx.o
    0x10000139   0x00000003   PAD
    0x1000013c   0x00000004   Data   RW          306    .data               system_lpc17xx.o
    0x10000140   0x00000004   Data   RW          383    .data               TCP_CM3.lib(at_tcp.o)
    0x10000144   0x0000000c   Data   RW          461    .data               TCP_CM3.lib(at_http.o)
    0x10000150   0x00000008   Data   RW          502    .data               TCP_CM3.lib(at_ethernet.o)
    0x10000158   0x00000004   Data   RW          563    .data               TCP_CM3.lib(at_mem.o)
    0x1000015c   0x00000008   Data   RW          573    .data               TCP_CM3.lib(at_system.o)
    0x10000164   0x00000002   Data   RW          590    .data               TCP_CM3.lib(at_arp.o)
    0x10000166   0x00000004   Data   RW          608    .data               TCP_CM3.lib(at_ip.o)
    0x1000016a   0x00000002   PAD
    0x1000016c   0x00000004   Data   RW          939    .data               mc_w.l(errno.o)
    0x10000170   0x00000087   Zero   RW            3    .bss                http_demo.o
    0x100001f7   0x00000014   Zero   RW          132    .bss                i2c.o
    0x1000020b   0x00000001   PAD
    0x1000020c   0x00002400   Zero   RW          210    .bss                net_config.o
    0x1000260c   0x00000004   PAD
    0x10002610   0x00002a64   Zero   RW          281    .bss                emac_lpc17xx.o
    0x10005074   0x00000080   Zero   RW          500    .bss                TCP_CM3.lib(at_ethernet.o)
    0x100050f4   0x0000003c   Zero   RW          572    .bss                TCP_CM3.lib(at_system.o)
    0x10005130   0x00000400   Zero   RW          229    STACK               startup_lpc17xx.o



  Load Region LR$$.ARM.__at_0x02FC (Base: 0x000002fc, Size: 0x00000004, Max: 0x00000004, ABSOLUTE)

    Execution Region ER$$.ARM.__at_0x02FC (Base: 0x000002fc, Size: 0x00000004, Max: 0x00000004, ABSOLUTE, UNINIT)

    Base Addr    Size         Type   Attr      Idx    E Section Name        Object

    0x000002fc   0x00000004   Code   RO          232    .ARM.__at_0x02FC    startup_lpc17xx.o

==============================================================================