Simon Ford / Mbed 2 deprecated SerialInterruptFix

A temporary workaround for stdio hangs when using both inside and outside an interrupt

Dependencies:   mbed

Diff: main.cpp

Revision:
0:51318bb188e2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Feb 20 07:55:48 2010 +0000
@@ -0,0 +1,29 @@
+// using 2 serial instances to workaround hand bug while using printf both inside and outside interrupt
+
+#include "mbed.h"
+
+Serial pc(USBTX, USBRX); // tx, rx
+Serial pc2(USBTX, USBRX); // tx, rx
+
+// debugging LEDs
+DigitalOut interrupt(LED1);
+DigitalOut tx(LED4);
+
+void handle() {
+    char rx_byte = pc2.getc();
+    interrupt = !interrupt;
+}
+
+int main() {
+    pc2.attach(handle);
+
+    while (1) {
+        // send a long string of bytes
+        tx = 1;
+        for (int i=0;i<20;i++) {
+            printf("If I receive while transmitting this I will crash...\r\n");
+        }
+        tx = 0;
+        wait(1.0);
+    }
+}