Joseph Bradshaw
Used to test the I/O of the mbed module to drive LED's
Revision 0:2890747e59eb, committed 2016-01-12
- Comitter:
- jebradshaw
- Date:
- Tue Jan 12 14:21:43 2016 +0000
- Commit message:
- mbed LED I/O output tester
Changed in this revision
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
| mbed_LED_tester.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r 2890747e59eb mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Jan 12 14:21:43 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/7e07b6fb45cf \ No newline at end of file
diff -r 000000000000 -r 2890747e59eb mbed_LED_tester.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_LED_tester.cpp Tue Jan 12 14:21:43 2016 +0000
@@ -0,0 +1,41 @@
+#include "mbed.h"
+//makes all pins outputs for LEDs and toggles them
+BusOut lowPins(p5,p6,p7,p8,
+ p9,p10,p11,p12,
+ p13,p14,p15,p16,
+ p17,p18,p19,p20);
+BusOut highPins(p21,p22,p23,p24,
+ p25,p26,p27,p28,
+ p29,p30);
+
+int main() {
+ lowPins=0;
+ highPins=0;
+
+ while(1) {
+
+ for(int i=0;i<5;i++){
+ lowPins.write(0xffff);
+ highPins.write(0xffff);
+ wait(.3);
+ lowPins.write(0);
+ highPins.write(0);
+ wait(.3);
+ }
+
+ float delay=.01;
+ for(int cycles=0;cycles<7;cycles++,delay+=.01){
+ for(long i=1;i<0x10000;i<<=1){
+ lowPins.write(i);
+ wait(delay);
+ }
+ lowPins=0;
+ for(int i=1;i<0x0400;i<<=1){
+ highPins.write(i);
+ wait(delay);
+ }
+ highPins=0;
+ wait(delay);
+ }
+ }
+}