Kazuki Yamamoto / mbeDshield

The official mbed C/C SDK provides the software platform and libraries to build your applications.

Dependents:   SeeedTouchLCD

Fork of mbed by mbed official

(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

1. Ethernet RJ45 connector is removed.
   1. http://mbed.org/components/Seeed-Ethernet-Shield-V20/ is the biggest hint to use Ethernet!
2. Most ALL of components can be bought at Akizuki http://akizukidenshi.com/
   1. But sorry, they do not send parts to abroad
3. Pinout is changed!

This design has bug(s)

1. I²C functional pin differs between 1768 and 11U24.

Fixed bugs here

1. MiniUSB cable cannot be connected on mbed if you solder high-height electrolytic capacitor on C3.
   1. http://akizukidenshi.com/catalog/g/gP-05002/ is the solution to make this 100% AKIZUKI parts!
2. the 6-pin ISP port is not inprimented in version 0.4.0
   1. it will be fixed in later version 0.4.1/0.4.2/0.5.0 This 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

        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

--- a/Stream.h	Fri Nov 14 15:25:20 2008 +0000
+++ b/Stream.h	Thu Nov 27 16:23:24 2008 +0000
@@ -5,31 +5,53 @@
 #ifndef MBED_STREAM_H
 #define MBED_STREAM_H
 
-#include "Base.h"
+#include "FileLike.h"
+#include <cstdio>
 
 namespace mbed {
 
-class Stream : public Base {
+class Stream : protected FileLike {
 
 public:
-
-	Stream();
+    
+    Stream(const char *name = NULL);
+    virtual ~Stream();
 
-	int putc(int c);
-	int getc();
+    int putc(int c) {
+        fflush(_file);
+        return std::fputc(c, _file); 
+    }
+    int puts(const char *s) {
+        fflush(_file);
+        return std::fputs(s, _file); 
+    }
+    int getc() {
+        fflush(_file);
+        return std::fgetc(_file);
+    }
+    char *gets(char *s, int size) {
+        fflush(_file);
+        return std::fgets(s,size,_file);;
+    }
     int printf(const char* format, ...);
     int scanf(const char* format, ...);
-
-	int _backspace();
-	
+    
+    operator std::FILE*() { return _file; }
+    
 protected:
 
-	virtual int _putc(int c) = 0;
-	virtual int _getc() = 0;
+    virtual int close();
+    virtual ssize_t write(const void* buffer, size_t length);
+    virtual ssize_t read(void* buffer, size_t length);
+    virtual off_t lseek(off_t offset, int whence);
+    virtual int isatty();
+    virtual int fsync();
 
-	int _back;
-	int _last;
-	
+    virtual int _putc(int c) = 0;
+    virtual int _getc() = 0;
+    
+    std::FILE *_file;
+    
 };
 
 } // namespace mbed