Diff: serial/usb/USBSerialStream.cpp

Revision:

79:897a0de9d668

Parent:

60:6f42a974eea6

Child:

85:eb249c45395e

--- a/serial/usb/USBSerialStream.cpp	Tue Jan 29 13:49:23 2013 +0000
+++ b/serial/usb/USBSerialStream.cpp	Tue Mar 05 14:54:15 2013 +0000
@@ -17,6 +17,8 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
+
+
 #define __DEBUG__ 0
 #ifndef __MODULE__
 #define __MODULE__ "USBSerialStream.cpp"
@@ -28,6 +30,29 @@
 
 #include "USBSerialStream.h"
 
+// XXX ashley's debug 
+void printBuffer(uint8_t* buf, int len, bool readIn) {
+  
+  if(len<0) {
+     return;
+  }
+  
+  if(readIn) {
+     printf("Read(%d): '",len);
+  } else {
+     printf("Writing(%d): '",len);
+  }
+  for(int i=0; i<len; i++) {
+     if(buf[i]==0x0a) {
+        putchar('N');
+     } else if(buf[i]==0x0d) {
+        putchar('R');
+     } else {
+        putchar(buf[i]);
+     }
+  }
+  printf("'\r\n");
+}
 
 USBSerialStream::USBSerialStream(IUSBHostSerial& serial) : m_serial(serial), m_serialTxFifoEmpty(true),
 m_availableSphre(1), m_spaceSphre(1), m_inBuf()
@@ -46,6 +71,7 @@
 //0 for non-blocking (returns immediately), -1 for infinite blocking
 /*virtual*/ int USBSerialStream::read(uint8_t* buf, size_t* pLength, size_t maxLength, uint32_t timeout/*=osWaitForever*/)
 {
+  uint8_t *bufPointerCopy = buf;
   DBG("Trying to read at most %d chars", maxLength);
   int ret = waitAvailable(timeout);
   if(ret)
@@ -56,7 +82,8 @@
   int a = available(); //Prevent macro issues
   int readLen = MIN( a, maxLength );
   *pLength = readLen;
-
+  
+  
   setupReadableISR(false);
   while(readLen--)
   {
@@ -64,7 +91,8 @@
     buf++;
   }
   setupReadableISR(true);
-  DBG("Read %d chars successfully", *pLength);
+  //printBuffer(bufPointerCopy,*pLength,true); // XXX
+  
   return OK;
 }
 
@@ -130,9 +158,12 @@
   m_availableSphre.release(); //Force exiting the waiting state
 }
 
+
+
 //0 for non-blocking (returns immediately), -1 for infinite blocking
 /*virtual*/ int USBSerialStream::write(uint8_t* buf, size_t length, uint32_t timeout/*=-1*/)
 {
+  //printBuffer(buf,length,false); // XXX
   DBG("Trying to write %d chars", length);
   do
   {
@@ -160,7 +191,6 @@
     }
     setupWriteableISR(true);
   } while(length);
-
   DBG("Write successful");
   return OK;
 }