Diff: main.cpp

Revision:

8:23fca4edc6b9

Parent:

7:37ea12f2b18f

Child:

9:a9dfb95b5d8a

diff -r 37ea12f2b18f -r 23fca4edc6b9 main.cpp
--- a/main.cpp	Sun Oct 25 16:47:59 2020 +0000
+++ b/main.cpp	Sun Nov 22 15:04:32 2020 +0000
@@ -1,23 +1,31 @@
 #include "mbed.h"
-//
-// test led
+// Echo
+// lien serie via USB avec Terarerm
 // GR 2020
 // Universite Paris-Saclay - IUT Cachan
 //
 //
-#define TEMPO 0.5
-Serial pc(USBTX, USBRX);
-DigitalOut led(PA_5);  //LED1
-
+RawSerial pc_raw(USBTX, USBRX);  // ou SERIAL-TX, SERIAL_RX  ou PA_2,PA_3
+DigitalOut ledB(D8);
+void reception_symbole(void);
 int main()
 {
-    pc.printf("LED clignotante\r\n");
-    led=1;
+
+    pc_raw.baud(115200);
+    pc_raw.attach(&reception_symbole);
+    pc_raw.printf("Echo test\r\n");
+    ledB=0;
     while(1) {
-        led = 0; // OFF
-        wait(TEMPO);
-        led = 1; // ON
-        wait(TEMPO);
+    }
+}
+void reception_symbole(void)
+{
+    unsigned char c;
+    if(pc_raw.readable()) {
+        ledB=!ledB;
+        c=pc_raw.getc();
+        pc_raw.putc(c);
     }
 }
 
+