Bruno St-Georges
q7
Revision 0:646b2dba28ca, committed 2019-10-22
- Comitter:
- brunostgr
- Date:
- Tue Oct 22 13:39:46 2019 +0000
- Commit message:
- q7
Changed in this revision
| Question7.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/Question7.cpp Tue Oct 22 13:39:46 2019 +0000
@@ -0,0 +1,22 @@
+#include "mbed.h"
+
+PwmOut pwm(PC_7); // Broche PWM
+Serial pc(USBTX, USBRX); // Port USB
+
+// Programme principal
+int main() {
+
+ // Declaration des variables
+ float th, th1, th2;
+
+ pwm.period_ms(1); // Periode 1 ms pour frequence 1kHz
+ pwm.pulsewidth_us(1000); // Duty cycle 100% par defaut
+ pc.printf("Entrez une valeur de PWM a deux chiffres");
+
+ while(1) {
+ th1 = pc.getc(); // Chiffre des dizaines
+ th2 = pc.getc(); // Chiffre des unites
+ th = ((10 * (th1 - 0x30)) + (th2 - 0x30))*10; // Conversion en us
+ pwm.pulsewidth_us(th); // Assignation du nouveau duty cycle
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Oct 22 13:39:46 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file