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
LPC1768/GCC_ARM/LPC1768.ld@27:7110ebee3484, 2011-11-29 (annotated)
- Committer:
- emilmont
- Date:
- Tue Nov 29 14:59:27 2011 +0000
- Revision:
- 27:7110ebee3484
- Child:
- 30:3991a86798e3
New Libraries 11.11
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
emilmont | 27:7110ebee3484 | 1 | /* Linker script for mbed LPC1768 */ |
emilmont | 27:7110ebee3484 | 2 | GROUP(-lstdc++ -lsupc++ -lm -lc -lnosys -lgcc) |
emilmont | 27:7110ebee3484 | 3 | |
emilmont | 27:7110ebee3484 | 4 | /* Linker script to configure memory regions. */ |
emilmont | 27:7110ebee3484 | 5 | MEMORY |
emilmont | 27:7110ebee3484 | 6 | { |
emilmont | 27:7110ebee3484 | 7 | FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 512K |
emilmont | 27:7110ebee3484 | 8 | RAM (rwx) : ORIGIN = 0x100000C8, LENGTH = 0x7F38 |
emilmont | 27:7110ebee3484 | 9 | |
emilmont | 27:7110ebee3484 | 10 | USB_RAM(rwx) : ORIGIN = 0x2007C000, LENGTH = 16K |
emilmont | 27:7110ebee3484 | 11 | ETH_RAM(rwx) : ORIGIN = 0x20080000, LENGTH = 16K |
emilmont | 27:7110ebee3484 | 12 | } |
emilmont | 27:7110ebee3484 | 13 | |
emilmont | 27:7110ebee3484 | 14 | /* Linker script to place sections and symbol values. Should be used together |
emilmont | 27:7110ebee3484 | 15 | * with other linker script that defines memory regions FLASH and RAM. |
emilmont | 27:7110ebee3484 | 16 | * It references following symbols, which must be defined in code: |
emilmont | 27:7110ebee3484 | 17 | * Reset_Handler : Entry of reset handler |
emilmont | 27:7110ebee3484 | 18 | * |
emilmont | 27:7110ebee3484 | 19 | * It defines following symbols, which code can use without definition: |
emilmont | 27:7110ebee3484 | 20 | * __exidx_start |
emilmont | 27:7110ebee3484 | 21 | * __exidx_end |
emilmont | 27:7110ebee3484 | 22 | * __etext |
emilmont | 27:7110ebee3484 | 23 | * __data_start__ |
emilmont | 27:7110ebee3484 | 24 | * __preinit_array_start |
emilmont | 27:7110ebee3484 | 25 | * __preinit_array_end |
emilmont | 27:7110ebee3484 | 26 | * __init_array_start |
emilmont | 27:7110ebee3484 | 27 | * __init_array_end |
emilmont | 27:7110ebee3484 | 28 | * __fini_array_start |
emilmont | 27:7110ebee3484 | 29 | * __fini_array_end |
emilmont | 27:7110ebee3484 | 30 | * __data_end__ |
emilmont | 27:7110ebee3484 | 31 | * __bss_start__ |
emilmont | 27:7110ebee3484 | 32 | * __bss_end__ |
emilmont | 27:7110ebee3484 | 33 | * __end__ |
emilmont | 27:7110ebee3484 | 34 | * end |
emilmont | 27:7110ebee3484 | 35 | * __HeapLimit |
emilmont | 27:7110ebee3484 | 36 | * __StackLimit |
emilmont | 27:7110ebee3484 | 37 | * __StackTop |
emilmont | 27:7110ebee3484 | 38 | * __stack |
emilmont | 27:7110ebee3484 | 39 | */ |
emilmont | 27:7110ebee3484 | 40 | ENTRY(Reset_Handler) |
emilmont | 27:7110ebee3484 | 41 | |
emilmont | 27:7110ebee3484 | 42 | SECTIONS |
emilmont | 27:7110ebee3484 | 43 | { |
emilmont | 27:7110ebee3484 | 44 | .text : |
emilmont | 27:7110ebee3484 | 45 | { |
emilmont | 27:7110ebee3484 | 46 | KEEP(*(.isr_vector)) |
emilmont | 27:7110ebee3484 | 47 | *(.text*) |
emilmont | 27:7110ebee3484 | 48 | |
emilmont | 27:7110ebee3484 | 49 | KEEP(*(.init)) |
emilmont | 27:7110ebee3484 | 50 | KEEP(*(.fini)) |
emilmont | 27:7110ebee3484 | 51 | |
emilmont | 27:7110ebee3484 | 52 | /* .ctors */ |
emilmont | 27:7110ebee3484 | 53 | *crtbegin.o(.ctors) |
emilmont | 27:7110ebee3484 | 54 | *crtbegin?.o(.ctors) |
emilmont | 27:7110ebee3484 | 55 | *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) |
emilmont | 27:7110ebee3484 | 56 | *(SORT(.ctors.*)) |
emilmont | 27:7110ebee3484 | 57 | *(.ctors) |
emilmont | 27:7110ebee3484 | 58 | |
emilmont | 27:7110ebee3484 | 59 | /* .dtors */ |
emilmont | 27:7110ebee3484 | 60 | *crtbegin.o(.dtors) |
emilmont | 27:7110ebee3484 | 61 | *crtbegin?.o(.dtors) |
emilmont | 27:7110ebee3484 | 62 | *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) |
emilmont | 27:7110ebee3484 | 63 | *(SORT(.dtors.*)) |
emilmont | 27:7110ebee3484 | 64 | *(.dtors) |
emilmont | 27:7110ebee3484 | 65 | |
emilmont | 27:7110ebee3484 | 66 | *(.rodata*) |
emilmont | 27:7110ebee3484 | 67 | |
emilmont | 27:7110ebee3484 | 68 | KEEP(*(.eh_frame*)) |
emilmont | 27:7110ebee3484 | 69 | } > FLASH |
emilmont | 27:7110ebee3484 | 70 | |
emilmont | 27:7110ebee3484 | 71 | .ARM.extab : |
emilmont | 27:7110ebee3484 | 72 | { |
emilmont | 27:7110ebee3484 | 73 | *(.ARM.extab* .gnu.linkonce.armextab.*) |
emilmont | 27:7110ebee3484 | 74 | } > FLASH |
emilmont | 27:7110ebee3484 | 75 | |
emilmont | 27:7110ebee3484 | 76 | __exidx_start = .; |
emilmont | 27:7110ebee3484 | 77 | .ARM.exidx : |
emilmont | 27:7110ebee3484 | 78 | { |
emilmont | 27:7110ebee3484 | 79 | *(.ARM.exidx* .gnu.linkonce.armexidx.*) |
emilmont | 27:7110ebee3484 | 80 | } > FLASH |
emilmont | 27:7110ebee3484 | 81 | __exidx_end = .; |
emilmont | 27:7110ebee3484 | 82 | |
emilmont | 27:7110ebee3484 | 83 | _etext = .; |
emilmont | 27:7110ebee3484 | 84 | |
emilmont | 27:7110ebee3484 | 85 | .data : AT (_etext) |
emilmont | 27:7110ebee3484 | 86 | { |
emilmont | 27:7110ebee3484 | 87 | __data_start__ = .; |
emilmont | 27:7110ebee3484 | 88 | *(vtable) |
emilmont | 27:7110ebee3484 | 89 | *(.data*) |
emilmont | 27:7110ebee3484 | 90 | |
emilmont | 27:7110ebee3484 | 91 | . = ALIGN(4); |
emilmont | 27:7110ebee3484 | 92 | /* preinit data */ |
emilmont | 27:7110ebee3484 | 93 | PROVIDE (__preinit_array_start = .); |
emilmont | 27:7110ebee3484 | 94 | *(.preinit_array) |
emilmont | 27:7110ebee3484 | 95 | PROVIDE (__preinit_array_end = .); |
emilmont | 27:7110ebee3484 | 96 | |
emilmont | 27:7110ebee3484 | 97 | . = ALIGN(4); |
emilmont | 27:7110ebee3484 | 98 | /* init data */ |
emilmont | 27:7110ebee3484 | 99 | PROVIDE (__init_array_start = .); |
emilmont | 27:7110ebee3484 | 100 | *(SORT(.init_array.*)) |
emilmont | 27:7110ebee3484 | 101 | *(.init_array) |
emilmont | 27:7110ebee3484 | 102 | PROVIDE (__init_array_end = .); |
emilmont | 27:7110ebee3484 | 103 | |
emilmont | 27:7110ebee3484 | 104 | |
emilmont | 27:7110ebee3484 | 105 | . = ALIGN(4); |
emilmont | 27:7110ebee3484 | 106 | /* finit data */ |
emilmont | 27:7110ebee3484 | 107 | PROVIDE (__fini_array_start = .); |
emilmont | 27:7110ebee3484 | 108 | *(SORT(.fini_array.*)) |
emilmont | 27:7110ebee3484 | 109 | *(.fini_array) |
emilmont | 27:7110ebee3484 | 110 | PROVIDE (__fini_array_end = .); |
emilmont | 27:7110ebee3484 | 111 | |
emilmont | 27:7110ebee3484 | 112 | . = ALIGN(4); |
emilmont | 27:7110ebee3484 | 113 | /* All data end */ |
emilmont | 27:7110ebee3484 | 114 | __data_end__ = .; |
emilmont | 27:7110ebee3484 | 115 | |
emilmont | 27:7110ebee3484 | 116 | } > RAM |
emilmont | 27:7110ebee3484 | 117 | |
emilmont | 27:7110ebee3484 | 118 | .bss : |
emilmont | 27:7110ebee3484 | 119 | { |
emilmont | 27:7110ebee3484 | 120 | __bss_start__ = .; |
emilmont | 27:7110ebee3484 | 121 | *(.bss*) |
emilmont | 27:7110ebee3484 | 122 | *(COMMON) |
emilmont | 27:7110ebee3484 | 123 | __bss_end__ = .; |
emilmont | 27:7110ebee3484 | 124 | } > RAM |
emilmont | 27:7110ebee3484 | 125 | |
emilmont | 27:7110ebee3484 | 126 | .heap : |
emilmont | 27:7110ebee3484 | 127 | { |
emilmont | 27:7110ebee3484 | 128 | __end__ = .; |
emilmont | 27:7110ebee3484 | 129 | end = __end__; |
emilmont | 27:7110ebee3484 | 130 | *(.heap*) |
emilmont | 27:7110ebee3484 | 131 | __HeapLimit = .; |
emilmont | 27:7110ebee3484 | 132 | } > RAM |
emilmont | 27:7110ebee3484 | 133 | |
emilmont | 27:7110ebee3484 | 134 | /* .stack_dummy section doesn't contains any symbols. It is only |
emilmont | 27:7110ebee3484 | 135 | * used for linker to calculate size of stack sections, and assign |
emilmont | 27:7110ebee3484 | 136 | * values to stack symbols later */ |
emilmont | 27:7110ebee3484 | 137 | .stack_dummy : |
emilmont | 27:7110ebee3484 | 138 | { |
emilmont | 27:7110ebee3484 | 139 | *(.stack) |
emilmont | 27:7110ebee3484 | 140 | } > RAM |
emilmont | 27:7110ebee3484 | 141 | |
emilmont | 27:7110ebee3484 | 142 | /* Set stack top to end of RAM, and stack limit move down by |
emilmont | 27:7110ebee3484 | 143 | * size of stack_dummy section */ |
emilmont | 27:7110ebee3484 | 144 | __StackTop = ORIGIN(RAM) + LENGTH(RAM); |
emilmont | 27:7110ebee3484 | 145 | __StackLimit = __StackTop - SIZEOF(.stack_dummy); |
emilmont | 27:7110ebee3484 | 146 | PROVIDE(__stack = __StackTop); |
emilmont | 27:7110ebee3484 | 147 | |
emilmont | 27:7110ebee3484 | 148 | /* Check if data + heap + stack exceeds RAM limit */ |
emilmont | 27:7110ebee3484 | 149 | ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") |
emilmont | 27:7110ebee3484 | 150 | } |