semihost server example program

Dependencies:   SWD mbed USBLocalFileSystem BaseDAP USBDAP

/media/uploads/va009039/kl46z-lpc800-360x480.jpg

LPCXpresso
LPC11U68
LPCXpresso
LPC1549
FRDM-KL46ZEA LPC4088 QSB
app-board
LPC1768
app-board
LPC810LPC1114FN28
serverserverserverserverserverclientclient
SWDIOD12D12D12p25p21p4(P0_2)p12
SWCLKD10D10D10p26p22p3(P0_3)p3
nRESET
*option
D6D6D6p34p30p1(P0_5)p23
GNDGNDGNDGNDp1p1p7p22
3.3VP3V3P3V3P3V3p44p40p6p21
flash writeSW2(P0_1)SW3(P1_9)SW1p14
joystick
center
p14
joystick
center

client example:

Import programlpc810-semihost_helloworld

semihost client example program

Revision:
9:7e71c20c96e4
Parent:
4:5e4107edcbdb
Child:
17:4e1205ce031f
--- a/Semihost.cpp	Tue Feb 18 09:32:40 2014 +0000
+++ b/Semihost.cpp	Thu Feb 20 09:43:03 2014 +0000
@@ -1,10 +1,11 @@
-// Semihost.cpp 2013/9/10
+// Semihost.cpp 2014/2/20
 #include "Semihost.h"
 #include "mydebug.h"
 
-Semihost::Semihost(Target2* target, Serial* usbpc) : _target(target),_pc(usbpc)
+Semihost::Semihost(Target2* target, Serial* usbpc, USBStorage2* usb) : _target(target),_pc(usbpc),_usb(usb)
 {
    _dirpath = "/local";
+   _writec_buf = -1;
 }
 
 void Semihost::mount(const char* dirpath)
@@ -89,8 +90,21 @@
 
 int Semihost::sys_writec(uint32_t arg) // 0x03
 {
-    uint8_t c = rd<uint8_t>(arg);
-    return _pc->putc(c);
+    int c = rd<uint8_t>(arg);
+    _usb->putc(c);
+    return c;
+}
+
+int Semihost::readable()
+{
+    return (_writec_buf == (-1)) ? 0 : 1;
+}
+
+int Semihost::getc()
+{
+    int c = _writec_buf;
+    _writec_buf = -1;
+    return c;
 }
 
 int Semihost::sys_write0(uint32_t arg) // 0x04
@@ -139,7 +153,7 @@
 
 int Semihost::sys_readc(uint32_t arg) // 0x07
 {
-    return _pc->getc() & 0xff;
+    return _usb->getc() & 0xff;
 }
 
 int Semihost::sys_istty(uint32_t arg) // 0x09