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Dependencies: mbed
Revision 0:531f33a2550d, committed 2019-01-12
- Comitter:
- Giamarchi
- Date:
- Sat Jan 12 00:43:50 2019 +0000
- Child:
- 1:95172f59262a
- Commit message:
- Exo 2 : Chenillard
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 Sat Jan 12 00:43:50 2019 +0000
@@ -0,0 +1,60 @@
+/*************************************/
+// YNCREA ISEN CSI3
+// Electronique Numérique
+//
+// Cours : Systèmes à microcontrôleur
+// Prof : Frédéric Giamarchi
+//
+// Exo 2.2 : Clignotemment de plusieurs Dels
+/*************************************/
+#include "mbed.h"
+
+DigitalOut L0(PB_1);
+DigitalOut L1(PB_2);
+DigitalOut L2(PB_10);
+DigitalOut L3(PB_11);
+DigitalOut L4(PB_12);
+DigitalOut L5(PB_13);
+DigitalOut L6(PB_14);
+DigitalOut L7(PB_15);
+
+uint8_t L[8] = {L0, L1, L2, L3, L4, L5, L6, L7};
+
+void set_8Dels(uint8_t position)
+{
+ L0 = position & 0x01;
+ L1 = position & 0x02;
+ L2 = position & 0x04;
+ L3 = position & 0x08;
+ L4 = position & 0x10;
+ L5 = position & 0x20;
+ L6 = position & 0x40;
+ L7 = position & 0x80;
+
+// L[!position] = 0;
+// L[position] = 1;
+}
+
+uint8_t compteur = 1;
+uint8_t sens = 0;
+
+int main()
+{
+ while(1)
+ {
+ wait(0.2); // 200 ms
+ if(!sens)
+ {
+ compteur<<=1; // décalage d'un bit vers la gauche
+ if(compteur == 0x80)
+ sens = 1;
+ }
+ else
+ {
+ compteur>>=1; // décalage d'un bit vers la droite
+ if(compteur == 0x01)
+ sens = 0;
+ }
+ set_8Dels(compteur);
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sat Jan 12 00:43:50 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/e95d10626187 \ No newline at end of file