debug.cpp

00001 /*******************************************************************************
00002  * Copyright (c) 2014-2015 IBM Corporation.
00003  * All rights reserved. This program and the accompanying materials
00004  * are made available under the terms of the Eclipse Public License v1.0
00005  * which accompanies this distribution, and is available at
00006  * http://www.eclipse.org/legal/epl-v10.html
00007  *
00008  * Contributors:
00009  *    IBM Zurich Research Lab - initial API, implementation and documentation
00010  *    Semtech Apps Team       - Adapted for MBED
00011  *******************************************************************************/
00012 #include <stdio.h>
00013 #include "mbed.h"
00014 #include "lmic.h"
00015 #include "debug.h"
00016 
00017 Serial pc2(USBTX, USBRX); // tx, rx
00018 
00019 void debug_init () {
00020     // print banner
00021     debug_str("\r\n============== DEBUG STARTED ==============\r\n");
00022 }
00023 
00024 void debug_led (u1_t val) {
00025     debug_val( "LED = ", val );
00026 }
00027 
00028 void debug_char (u1_t c) {
00029     pc2.printf("%c", c );
00030 }
00031 
00032 void debug_hex (u1_t b) {
00033     pc2.printf("%02X", b );
00034 }
00035 
00036 void debug_buf (const u1_t* buf, u2_t len) {
00037     while( len-- ) {
00038         debug_hex( *buf++ );
00039         debug_char( ' ' );
00040     }
00041     debug_char( '\r' );
00042     debug_char( '\n' );
00043 }
00044 
00045 void debug_uint (u4_t v) {
00046     for( s1_t n = 24; n >= 0; n -= 8 ) {
00047         debug_hex( v >> n );
00048     }
00049 }
00050 
00051 void debug_str (const u1_t* str) {
00052     while( *str ) {
00053         debug_char( *str++ );
00054     }
00055 }
00056 
00057 void debug_val (const u1_t* label, u4_t val) {
00058     debug_str( label );
00059     debug_uint( val );
00060     debug_char( '\r' );
00061     debug_char( '\n' );
00062 }
00063 
00064 void debug_event (int ev) {
00065     static const u1_t* evnames[] = {
00066         [EV_SCAN_TIMEOUT]   = "SCAN_TIMEOUT",
00067         [EV_BEACON_FOUND]   = "BEACON_FOUND",
00068         [EV_BEACON_MISSED]  = "BEACON_MISSED",
00069         [EV_BEACON_TRACKED] = "BEACON_TRACKED",
00070         [EV_JOINING]        = "JOINING",
00071         [EV_JOINED]         = "JOINED",
00072         [EV_RFU1]           = "RFU1",
00073         [EV_JOIN_FAILED]    = "JOIN_FAILED",
00074         [EV_REJOIN_FAILED]  = "REJOIN_FAILED",
00075         [EV_TXCOMPLETE]     = "TXCOMPLETE",
00076         [EV_LOST_TSYNC]     = "LOST_TSYNC",
00077         [EV_RESET]          = "RESET",
00078         [EV_RXCOMPLETE]     = "RXCOMPLETE",
00079         [EV_LINK_DEAD]      = "LINK_DEAD",
00080         [EV_LINK_ALIVE]     = "LINK_ALIVE",
00081     };
00082     debug_str(evnames[ev]);
00083     debug_char('\r');
00084     debug_char('\n');
00085 }