The official mbed C/C SDK provides the software platform and libraries to build your applications.
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(01.May.2014) started sales! http://www.switch-science.com/catalog/1717/
(13.March.2014) updated to 0.5.0
This is a pin conversion PCB from mbed 1768/11U24 to arduino UNO.
- So if you have both mbed and arduino shields, I guess you would be happy with such a conversion board :)
Photos
- Board photo vvv
- Schematic photo vvv
- Functionality photo vvv
Latest eagle files
PCB >> /media/uploads/k4zuki/mbedshield050.brd
SCH >> /media/uploads/k4zuki/mbedshield050.sch
BIG changes from previous version
- Ethernet RJ45 connector is removed.
- http://mbed.org/components/Seeed-Ethernet-Shield-V20/ is the biggest hint to use Ethernet!
MostALL of components can be bought at Akizuki http://akizukidenshi.com/- But sorry, they do not send parts to abroad
- Pinout is changed!
arduino | 0.4.0 | 0.5.0 |
---|---|---|
D4 | p12 | p21 |
D5 | p11 | p22 |
MOSI_ | none | p11 |
MISO_ | none | p12 |
SCK_ | none | p13 |
This design has bug(s)
- I2C functional pin differs between 1768 and 11U24.
Fixed bugs here
- MiniUSB cable cannot be connected on mbed if you solder high-height electrolytic capacitor on C3.
- http://akizukidenshi.com/catalog/g/gP-05002/ is the solution to make this 100% AKIZUKI parts!
- the 6-pin ISP port is not inprimented in version 0.4.0
it will be fixed in later version 0.4.1/0.4.2/0.5.0This has beenfixed
I am doing some porting to use existing arduino shields but it may faster if you do it by yourself...
you can use arduino PinName "A0-A5,D0-D13" plus backside SPI port for easier porting.
To do this you have to edit PinName enum in
- "mbed/TARGET_LPC1768/PinNames.h" or
- "mbed/TARGET_LPC11U24/PinNames.h" as per your target mbed.
here is the actual list: This list includes define switch to switch pin assignment
part_of_PinNames.h
USBTX = P0_2, USBRX = P0_3, //from here mbeDshield mod D0=p27, D1=p28, D2=p14, D3=p13, #ifdef MBEDSHIELD_050 MOSI_=p11, MISO_=p12, SCK_=p13, D4=p21, D5=p22, #else D4=p12, D5=p11, #endif D6=p23, D7=p24, D8=p25, D9=p26, D10=p8, D11=p5, D12=p6, D13=p7, A0=p15, A1=p16, A2=p17, A3=p18, A4=p19, A5=p20, SDA=p9, SCL=p10, //mbeDshield mod ends here // Not connected NC = (int)0xFFFFFFFF
Diff: LPC1768/GCC_ARM/LPC1768.ld
- Revision:
- 38:4c0c40fd0593
- Parent:
- 37:14f4805c468c
- Child:
- 39:737756e0b479
--- a/LPC1768/GCC_ARM/LPC1768.ld Tue Feb 07 16:20:15 2012 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,150 +0,0 @@ -/* Linker script for mbed LPC1768 */ -GROUP(-lstdc++ -lsupc++ -lm -lc -lnosys -lgcc) - -/* Linker script to configure memory regions. */ -MEMORY -{ - FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 512K - RAM (rwx) : ORIGIN = 0x100000C8, LENGTH = 0x7F38 - - USB_RAM(rwx) : ORIGIN = 0x2007C000, LENGTH = 16K - ETH_RAM(rwx) : ORIGIN = 0x20080000, LENGTH = 16K -} - -/* Linker script to place sections and symbol values. Should be used together - * with other linker script that defines memory regions FLASH and RAM. - * It references following symbols, which must be defined in code: - * Reset_Handler : Entry of reset handler - * - * It defines following symbols, which code can use without definition: - * __exidx_start - * __exidx_end - * __etext - * __data_start__ - * __preinit_array_start - * __preinit_array_end - * __init_array_start - * __init_array_end - * __fini_array_start - * __fini_array_end - * __data_end__ - * __bss_start__ - * __bss_end__ - * __end__ - * end - * __HeapLimit - * __StackLimit - * __StackTop - * __stack - */ -ENTRY(Reset_Handler) - -SECTIONS -{ - .text : - { - KEEP(*(.isr_vector)) - *(.text*) - - KEEP(*(.init)) - KEEP(*(.fini)) - - /* .ctors */ - *crtbegin.o(.ctors) - *crtbegin?.o(.ctors) - *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) - *(SORT(.ctors.*)) - *(.ctors) - - /* .dtors */ - *crtbegin.o(.dtors) - *crtbegin?.o(.dtors) - *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) - *(SORT(.dtors.*)) - *(.dtors) - - *(.rodata*) - - KEEP(*(.eh_frame*)) - } > FLASH - - .ARM.extab : - { - *(.ARM.extab* .gnu.linkonce.armextab.*) - } > FLASH - - __exidx_start = .; - .ARM.exidx : - { - *(.ARM.exidx* .gnu.linkonce.armexidx.*) - } > FLASH - __exidx_end = .; - - __etext = .; - - .data : AT (__etext) - { - __data_start__ = .; - *(vtable) - *(.data*) - - . = ALIGN(4); - /* preinit data */ - PROVIDE (__preinit_array_start = .); - KEEP(*(.preinit_array)) - PROVIDE (__preinit_array_end = .); - - . = ALIGN(4); - /* init data */ - PROVIDE (__init_array_start = .); - KEEP(*(SORT(.init_array.*))) - KEEP(*(.init_array)) - PROVIDE (__init_array_end = .); - - - . = ALIGN(4); - /* finit data */ - PROVIDE (__fini_array_start = .); - KEEP(*(SORT(.fini_array.*))) - KEEP(*(.fini_array)) - PROVIDE (__fini_array_end = .); - - . = ALIGN(4); - /* All data end */ - __data_end__ = .; - - } > RAM - - .bss : - { - __bss_start__ = .; - *(.bss*) - *(COMMON) - __bss_end__ = .; - } > RAM - - .heap : - { - __end__ = .; - end = __end__; - *(.heap*) - __HeapLimit = .; - } > RAM - - /* .stack_dummy section doesn't contains any symbols. It is only - * used for linker to calculate size of stack sections, and assign - * values to stack symbols later */ - .stack_dummy : - { - *(.stack) - } > RAM - - /* Set stack top to end of RAM, and stack limit move down by - * size of stack_dummy section */ - __StackTop = ORIGIN(RAM) + LENGTH(RAM); - __StackLimit = __StackTop - SIZEOF(.stack_dummy); - PROVIDE(__stack = __StackTop); - - /* Check if data + heap + stack exceeds RAM limit */ - ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") -}