Diff: main.cpp

Revision:

0:a940e05190bc

--- /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;
+}