Revision 1:3308ab077592, committed 2014-12-23

Comitter:

wim

Date:

Tue Dec 23 21:06:11 2014 +0000

Parent:

0:de9d7358fcd0

Child:

2:9c50385f83c5

Commit message:

Added Class SWO_Channel that supports Stream putc() and printf().

Changed in this revision

--- a/SWO.lib	Sat Dec 20 22:33:52 2014 +0000
+++ b/SWO.lib	Tue Dec 23 21:06:11 2014 +0000
@@ -1,1 +1,1 @@
-http://developer.mbed.org/users/wim/code/SWO/#bae4cff278f6
+http://developer.mbed.org/users/wim/code/SWO/#e5af2e131b95

--- a/main.cpp	Sat Dec 20 22:33:52 2014 +0000
+++ b/main.cpp	Tue Dec 23 21:06:11 2014 +0000
@@ -5,12 +5,19 @@
 //Single Wire Output(SWO) Test
 //Hook up to Host PC software ST-LINK Utility or Segger J-Link SWO viewer
 //
-#define D_SWO    1
+#define D_SWO    1  //Enable SWO output
+#define D_STREAM 1  //Select Stream or Classic implementation
+
+
+#if(D_STREAM == 1)
+//Stream implementation
 
 DigitalOut myled(LED1);
 
 Serial pc(SERIAL_TX, SERIAL_RX);
 
+SWO_Channel SWO;
+
 int main() {
   pc.printf("Hello World\n\r"); 
 //  pc.printf("\r\nMy Program - build " MBED_BUILD_TIMESTAMP "\r\n");
@@ -18,12 +25,11 @@
   pc.printf("CPU SystemCoreClock is %d Hz\r\n", SystemCoreClock);  
 
 #if (D_SWO == 1)
-  SWO_PrintString("\r\nHello World from SWO\r\n");
-  char message[64];
-  sprintf(message, "CPU SystemCoreClock is %d Hz\r\n", SystemCoreClock);
-  SWO_PrintString(message);      
-#endif     
-  
+//Stream
+  SWO.printf("\r\nHello World from SWO\r\n");
+  SWO.printf("CPU SystemCoreClock is %d Hz\r\n", SystemCoreClock); 
+#endif    
+
   while(1) {
     myled = 1; // LED is ON
     wait(0.2); // 200 ms
@@ -31,10 +37,49 @@
     wait(1.0); // 1 sec
     
 #if (D_SWO == 1)
+    //Stream
+    SWO.putc('#');       
+#endif
+  
+  }
+}
+
+#else
+//Classic implementation
+
+DigitalOut myled(LED1);
+
+Serial pc(SERIAL_TX, SERIAL_RX);
+
+SWO_Channel SWO;
+
+int main() {
+  pc.printf("Hello World\n\r"); 
+//  pc.printf("\r\nMy Program - build " MBED_BUILD_TIMESTAMP "\r\n");
+  pc.printf("\r\nMy Program - (partial) build " __DATE__ " " __TIME__ "\r\n");
+  pc.printf("CPU SystemCoreClock is %d Hz\r\n", SystemCoreClock);  
+
+#if (D_SWO == 1)
+//Classic
+  SWO_PrintString("\r\nHello World from SWO\r\n");
+  char message[64];
+  sprintf(message, "CPU SystemCoreClock is %d Hz\r\n", SystemCoreClock);
+  SWO_PrintString(message);      
+#endif
+
+  while(1) {
+    myled = 1; // LED is ON
+    wait(0.2); // 200 ms
+    myled = 0; // LED is OFF
+    wait(1.0); // 1 sec
+    
+#if (D_SWO == 1)
+//Classic
 //    SWO_PrintString("#");    
     SWO_PrintChar('+');    
 #endif     
     
   }
 }
+#endif