Monitors the CANbus and prints read messages over USB Allows you to send messages via USB to the CANbus Use a terminal application like PuTTY for windows or MoSerial for Ubuntu.

Dependencies:   mbed

Revision:
1:4097ba8d8a3c
Parent:
0:0b6fe59204c3
--- a/main.cpp	Tue May 31 10:22:49 2011 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,130 +0,0 @@
-#include "mbed.h"
-#include "CAN.h"
-#include "stdio.h"
-#include "stdlib.h"
-#include "string.h"
-
-Ticker ticker;      
-Serial pc(USBTX, USBRX);
-DigitalOut write_activity(LED1); //CAN activity
-DigitalOut read_activity(LED2);
-DigitalOut pc_activity(LED3);    //USB activity
-//CAN can1(p9, p10);  // rd, td Transmitter
-CAN can2(p30, p29); // rd, td Monitor (Now the only CAN port)
-
-int counter = 0;
-char candata[8];
-char pc_msg[50]; 
-CANType pc_type;
-CANFormat pc_format;
-int pc_ID; //standard 11bit ID
-int pc_IDe; //extended 29 (not used yet)
-int pc_length;
-int pcd0; int pcd1; int pcd2; int pcd3; int pcd4; int pcd5; int pcd6; int pcd7; //8 bytes data
-CANMessage msg;
-
-void setdata(int d0, int d1, int d2, int d3, int d4, int d5, int d6, int d7) {
-    candata[0] = (char) (d0); // LSB
-    candata[1] = (char) (d1);
-    candata[2] = (char) (d2);
-    candata[3] = (char) (d3);
-    candata[4] = (char) (d4);
-    candata[5] = (char) (d5);
-    candata[6] = (char) (d6);
-    candata[7] = (char) (d7); // MSB
-}
-
-void canread() {
-    //printf("CANmessage: %c\n", msg);
-    can2.read(msg);
-    pc.printf("Read:    [ ID: %4x", msg.id);
-    pc.printf(" Length: %d", msg.len);
-    pc.printf(" Data: %2x", msg.data[0]);
-    pc.printf(" %2x", msg.data[1]);
-    pc.printf(" %2x", msg.data[2]);
-    pc.printf(" %2x", msg.data[3]);
-    pc.printf(" %2x", msg.data[4]);
-    pc.printf(" %2x", msg.data[5]);
-    pc.printf(" %2x", msg.data[6]);
-    pc.printf(" %2x", msg.data[7]);
-    pc.printf(" Type: %d", msg.type);
-    pc.printf(" Format: %d ]\r\n", msg.format);
-    read_activity = !read_activity;  //Blink!
-    //can2.reset();
-}
-
-void pc_msg_read() {
-    // Data to be sent as !<format>_<type>_<ID>_<length>_<d0>_<d1>_<d2>_<d3>_<d4>_<d5>_<d6>_<d7> ("_" = space)
- 
-    // Read the string and copy it to the char array pc_msg 
-    pc.scanf("%[^\x0d]s",pc_msg);
-
-    // Read pc_msg and extract all data
-    sscanf(pc_msg,"%d %d %d %d %x %x %x %x %x %x %x %x", &pc_format, &pc_type, &pc_ID, &pc_length, 
-    &pcd0, &pcd1, &pcd2, &pcd3, &pcd4, &pcd5, &pcd6, &pcd7);
-    
-    // Printing extracted data, mostly for testing
-    pc.printf("Entered: [ ID: %4d ",pc_ID);
-    pc.printf("length: %d ",pc_length);
-    pc.printf("data: %2x %2x %2x %2x %2x %2x %2x %2x ",pcd0, pcd1, pcd2, pcd3, pcd4, pcd5, pcd6, pcd7);
-    pc.printf("type: %d ",pc_type);
-    pc.printf("format: %d ]\r\n",pc_format);
-    
-    // Setting the data to CANMessage.data format
-    setdata(pcd0, pcd1, pcd2, pcd3, pcd4, pcd5, pcd6, pcd7);
-    
-    // Transmitting CANMessage
-    if(pc_type==0) {
-        if(can2.write(CANMessage(pc_ID,candata,(char)pc_length,pc_type,pc_format))) {
-            pc.printf("MBED:    [ Message compiled and sent. ]\r\n");
-            write_activity = !write_activity;
-        }
-    }
-    else if(pc_type==1) {
-        if(can2.write(CANMessage(pc_ID,pc_format))) {
-            pc.printf("MBED:    [ RTR Message compiled and sent. ]\r\n");
-            write_activity = !write_activity;
-        }
-    }
-    //can2.reset();
-}
-
-void initcan() {
-    can2.frequency(1000000);             //1Mbit/s
-    can2.reset();
-    can2.attach(&canread);
-}
-
-int main() {
-    //----------------Initialization-----------------------
-    initcan();
-    //can1.frequency(1000000);
-    //can2.monitor(1); // If you want the node to only monitor the CAN network.
-    pc.baud(115200); //Tested, works. Set terminal to the same. Also works with the c file.
-    //ticker.attach(&cansend, 0.5); //Send every 1 seconds.
-    //-----------------------------------------------------
-    
-    char test;
-    char dump;
-    pc.printf("         [ Please enter !format_type_ID_length_d0_d1_d2_d3_d4_d5_d6_d7 ('_' = space) ]\r\n");
-        
-    while(1) {
-        if (pc.readable()) {            // If there's data available from pc
-            pc_activity = !pc_activity; // LED
-            test = pc.getc();       
-            if (test == '!') {          // See if it's a valid message
-                pc_msg_read();          // Valid => read the message and extract the data
-                //pc.printf("Left pc_msg_read\n"); // "Left the function" test
-            }
-            else {                      // Invalid data or leftover characters
-                pc.printf("         [ Dumped: ");
-                while(pc.readable()) {  // Keep dumping the leftovers
-                    dump = pc.getc();
-                    pc.printf("%c",dump);
-                }
-                pc.printf(" ]\r\n");
-            }
-            //pc.printf("Leaving pc.readable()\n"); // Left the !test
-        }
-    }
-}
\ No newline at end of file