Chris Talbot
ELNC-6007-19W example developed in Lecture. Enabling interrupts from DigitalIn and serial port receiver.
Revision 0:4741f5b28fec, committed 2019-03-14
- Comitter:
- TheFella
- Date:
- Thu Mar 14 17:52:24 2019 +0000
- Commit message:
- Example for lecture class
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r 4741f5b28fec main.cpp
--- /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;
+ }
+ }
+}
diff -r 000000000000 -r 4741f5b28fec mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Mar 14 17:52:24 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file