Diff: main.cpp

Revision:

0:4741f5b28fec

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Mar 14 17:52:24 2019 +0000
@@ -0,0 +1,80 @@
+#include "mbed.h"
+
+#define ROWS 10
+#define COLS 10
+#define BUFSIZE 30
+#define TRUE    1
+#define FALSE   0
+
+PwmOut spk( p25 );
+DigitalIn pb1( p8 );
+DigitalIn pb2( p19 );
+DigitalIn pb3( p18 );
+
+Serial pc(USBTX, USBRX, 9600); 
+
+InterruptIn pb1Int( p8 );
+
+char buffer[ BUFSIZE ];
+char *ptr = buffer;
+char sentenceReady = FALSE;
+
+void serialISR()
+{
+    int index = 0;
+    if( pc.readable() )
+    {
+        char hold = pc.getc();
+        if( hold == '$' )
+        {
+            for( index = 0; index<BUFSIZE; index++)
+            {
+                buffer[ index ] = 0;
+            }
+            ptr = buffer;
+                
+        }
+        if( hold == '#' )
+        {
+            sentenceReady = TRUE;
+        }
+        *ptr = hold;
+        ptr++;
+        if( ptr >= &buffer[ BUFSIZE ] )
+        {
+            ptr = buffer;
+        }
+    }
+}
+
+
+void pb1ISR()
+{
+    int row = 0, col = 0;
+    for( row = 0; row< ROWS; row++ )
+    {
+        for( col = 0; col< COLS; col++ )
+        {
+            pc.printf("|_");            
+        }
+        pc.printf("\n\r");
+    }
+    
+}
+    
+int main() 
+{
+    pb1Int.rise( &pb1ISR );
+    pc.attach( &serialISR );
+    
+    while(1) 
+    {
+        //pc.printf(".\n\r");
+        //wait(0.5);      
+        if( sentenceReady )
+        {
+            pc.printf("%s", buffer);
+            sentenceReady = FALSE;
+        }
+    }
+}