Mac Lobdell / Mbed OS serial_passthrough_mbed_os_5

transmit what you receive in both directions

Pass serial data to/from a one uart to another. Useful for accessing the serial interface from a connected module such as WiFi or Cellular.

Files at this revision

API Documentation at this revision

Revision 12:c922ba772e30, committed 2019-09-13

Comitter:
maclobdell
Date:
Fri Sep 13 15:37:35 2019 +0000
Parent:
11:0fa38cb22ea9
Commit message:
update to RawSerial to allow send/receive form interrupt context; update Mbed OS version to latest

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed-os.lib Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Fri Sep 02 15:15:05 2016 +0100
+++ b/main.cpp	Fri Sep 13 15:37:35 2019 +0000
@@ -1,13 +1,50 @@
 #include "mbed.h"
 
+void recieve_this(void);
+void recieve_that(void);
+
 DigitalOut led1(LED1);
+DigitalOut led2(LED2);
 
+RawSerial this_way(USBTX,USBRX);  
+RawSerial that_way(D1,D0);
+ 
 // main() runs in its own thread in the OS
 // (note the calls to Thread::wait below for delays)
 int main() {
+    
+    
+    this_way.baud(115200);
+    /** attach the callback function to be called whenever a character is received */
+    this_way.attach(&recieve_this, Serial::RxIrq);
+    ///set the baud rate    
+    that_way.baud(115200);
+    /** attach the callback function to be called whenever a character is received */
+    that_way.attach(&recieve_that, Serial::RxIrq); 
+    
+    
     while (true) {
-        led1 = !led1;
-        Thread::wait(500);
+        Thread::wait(1000);
     }
 }
 
+
+void recieve_this(void)
+{
+    ///blink an led for fun
+    led1 = !led1;
+    /** get a character, then put it back on the other interface */
+    that_way.putc(this_way.getc());
+    
+}
+/** get incoming data from second serial interface and put to other
+ *  @param none
+ *  @returns none
+ */        
+void recieve_that(void)
+{
+    ///blink an led for fun
+    led2 = !led2;
+    /** get a character, then put it back on the other interface */
+    this_way.putc(that_way.getc());        
+}
\ No newline at end of file

--- a/mbed-os.lib	Fri Sep 02 15:15:05 2016 +0100
+++ b/mbed-os.lib	Fri Sep 13 15:37:35 2019 +0000
@@ -1,1 +1,1 @@
-https://github.com/ARMmbed/mbed-os/#bdab10dc0f90748b6989c8b577771bb403ca6bd8
+https://github.com/ARMmbed/mbed-os/#1bf6b20df9d3cd5f29f001ffc6f0d0fcbbb96118