Diff: canutils.cpp

Revision:

3:92dae9083c83

Parent:

2:bf3a2b29259a

Child:

4:682d96ff6d79

--- a/canutils.cpp	Tue Dec 14 21:50:35 2010 +0000
+++ b/canutils.cpp	Tue Jun 07 12:23:28 2011 +0000
@@ -42,16 +42,42 @@
     return (can.frequency(speed)) ? TERM_OK : TERM_ERR;
 }
 
-
-void show_can_message() {
+//
+// show_can_message
+//
+// Displays a CAN message in the RX buffer if there is one.
+//
+// inputs:    none
+// return:    bool TRUE if there was a message, FALSE if no message.
+//
+extern void show_can_message() {
     CANMessage can_MsgRx;
     if (can.read(can_MsgRx)) {
+        CANRXLEDON;
         printf("w%03x%d", can_MsgRx.id, can_MsgRx.len);
-        for (char i=0; i<can_MsgRx.len; i++) {
+        for (char i=0; i<can_MsgRx.len; i++)
             printf("%02x", can_MsgRx.data[i]);
-        }
+        printf(" %c ", can_MsgRx.data[2]);
         printf("\r\n");
     }
+    return;
+}
+
+//
+// silent_can_message
+//
+// Turns on the CAN receive LED if there is a CAN message
+// but doesn't displays anything.
+//
+// inputs:    none
+// return:    bool TRUE if there was a message, FALSE if no message.
+//
+extern void silent_can_message() {
+    CANMessage can_MsgRx;
+    if (can.read(can_MsgRx)) {
+        CANRXLEDON;
+    }
+    return;
 }
 
 //