my first test rpogram

Revision:
0:9f226da4bfca
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Apr 04 05:41:57 2022 +0000
@@ -0,0 +1,30 @@
+#include "mbed.h"
+
+
+DigitalOut   myLed1(LED1);
+DigitalOut   myLed2(LED2);
+DigitalOut   myLed3(LED3); //The pushbutton or power on caused a reset
+DigitalOut   myLed4(LED4); //The watchdog timer caused a reset
+Serial pc(USBTX, USBRX);    // tx, rx
+Serial gps(p28,p27);    // tx, rx
+char msg;
+T myFunc()
+{
+    return T();
+}
+
+int main() 
+{
+    T t = myFunc();
+    
+    pc.baud(115200);
+    gps.baud(38400);
+    while(1) {
+        
+        while(gps.getc() != '$');
+        msg = gps.getc();
+        pc.printf("%c",msg);
+        
+       
+    }
+}