This is a simple program that will pass communications from the STN1110 to the mBed USB port.

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
fossum_13
Date:
Tue Mar 19 20:10:45 2013 +0000
Commit message:
initial release

Changed in this revision

main.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/main.cpp	Tue Mar 19 20:10:45 2013 +0000
@@ -0,0 +1,61 @@
+#include "mbed.h"
+
+Serial STN(p28, p27);
+Serial pc(USBTX, USBRX);
+
+long STNBAUD = 9600;
+long PCBAUD = 38400;
+
+void flushSerialBuffer(Serial *port);
+
+int main() {
+    // Configure PC BAUD
+    pc.baud(PCBAUD);
+    
+    // Setup STN1110 UART
+    pc.printf("Configuring STN UART\r\n");
+    STN.baud(STNBAUD);
+    
+    // Get to a prompt
+    bool prompt = false;
+    while(!prompt) {
+        // Attempt communication
+        pc.printf("STN not ready\r\n");
+        STN.printf("\r");
+        wait(1);
+    
+        // Did we get a prompt?
+        while (STN.readable()) {
+            if (STN.getc() == '>') {
+                prompt = true;
+                flushSerialBuffer(&STN);
+            }
+        }
+    }
+  
+    // Attempt BAUD rate change
+    STN.printf("ATZ\r");
+    pc.printf("STN BAUD == %d\r\n", STNBAUD);
+    
+    // Start terminal communication
+    while(1) {
+        if(STN.readable()) {
+            char c = STN.getc();
+            pc.putc(c);
+            if (c == '\r')
+                pc.putc('\n');
+        }
+        if(pc.readable()) {
+            char c = pc.getc();
+            STN.putc(c);
+        }
+    }
+}
+
+// Clears the Serial port buffer so we can get to new messages
+void flushSerialBuffer(Serial *port) {
+    while ((*port).readable()) {
+        (*port).getc();
+    }
+    return;
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Tue Mar 19 20:10:45 2013 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/5e5da4a5990b
\ No newline at end of file