Timothé Turko
/
Nucleo_hyperterminal_LED
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Revision 0:fe8a2e63737f, committed 2017-12-15
- Comitter:
- ygendrault
- Date:
- Fri Dec 15 15:04:47 2017 +0000
- Commit message:
- On/Off on the embedded LED on Nucleo for ECAM S-E student
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 |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Dec 15 15:04:47 2017 +0000
@@ -0,0 +1,46 @@
+#include "mbed.h"
+
+Serial pc(SERIAL_TX, SERIAL_RX);
+DigitalOut led(LED1);
+int test = 0;
+char previous = 0;
+
+int main()
+{
+ pc.printf("Press '1' to turn LED1 ON, '0' to turn it OFF\n");
+ while(1) {
+ char c = pc.getc(); // Read hyperterminal
+ if (c == '0') {
+ if (previous=='1')
+ {
+ test =0;
+ }
+ if (test==0)
+ {
+ test=1;
+ previous = '0';
+ led = 0; // OFF
+ }
+ else
+ {
+ pc.printf("LED already OFF\n");
+ }
+ }
+ if (c == '1') {
+ if (previous=='0')
+ {
+ test =0;
+ }
+ if (test==0)
+ {
+ test=1;
+ previous = '1';
+ led = 1; // OFF
+ }
+ else
+ {
+ pc.printf("LED already ON\n");
+ }
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Dec 15 15:04:47 2017 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/e7ca05fa8600 \ No newline at end of file