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 "lmic.h"
00014 #include "debug.h"
00015 
00016 #include "mbed.h"
00017 Serial pc(USBTX, USBRX);
00018  
00019 void debug_init () {
00020     pc.baud(9600);
00021     // print banner
00022     debug_str("\r\n============== DEBUG STARTED ==============\r\n");
00023 }
00024  
00025 void debug_led (u1_t val) {
00026     debug_val( "LED = ", val );
00027 }
00028  
00029 void debug_char (u1_t c) {
00030     pc.printf("%c", c );
00031 }
00032  
00033 void debug_hex (u1_t b) {
00034     pc.printf("%02X", b );
00035 }
00036  
00037 void debug_buf (const u1_t* buf, u2_t len) {
00038     while( len-- ) {
00039         debug_hex( *buf++ );
00040         debug_char( ' ' );
00041     }
00042     debug_char( '\r' );
00043     debug_char( '\n' );
00044 }
00045  
00046 void debug_uint (u4_t v) {
00047     for( s1_t n = 24; n >= 0; n -= 8 ) {
00048         debug_hex( v >> n );
00049     }
00050 }
00051  
00052 void debug_str (const char* str) {
00053     /*while( *str ) {
00054         debug_char( *str++ );
00055     }*/
00056     pc.printf(str);
00057 }
00058 
00059 void debug_str (const u1_t* str) {
00060     while( *str ) {
00061         debug_char( *str++ );
00062     }
00063 }
00064  
00065 void debug_val (const char* label, u4_t val) {
00066     debug_str( label );
00067     debug_uint( val );
00068     debug_char( '\r' );
00069     debug_char( '\n' );
00070 }
00071 
00072 void debug_val (const u1_t* label, u4_t val) {
00073     debug_str( label );
00074     debug_uint( val );
00075     debug_char( '\r' );
00076     debug_char( '\n' );
00077 }
00078  
00079 void debug_event (int ev) {
00080     static const char* evnames[] = {
00081         [EV_SCAN_TIMEOUT]   = "SCAN_TIMEOUT",
00082         [EV_BEACON_FOUND]   = "BEACON_FOUND",
00083         [EV_BEACON_MISSED]  = "BEACON_MISSED",
00084         [EV_BEACON_TRACKED] = "BEACON_TRACKED",
00085         [EV_JOINING]        = "JOINING",
00086         [EV_JOINED]         = "JOINED",
00087         [EV_RFU1]           = "RFU1",
00088         [EV_JOIN_FAILED]    = "JOIN_FAILED",
00089         [EV_REJOIN_FAILED]  = "REJOIN_FAILED",
00090         [EV_TXCOMPLETE]     = "TXCOMPLETE",
00091         [EV_LOST_TSYNC]     = "LOST_TSYNC",
00092         [EV_RESET]          = "RESET",
00093         [EV_RXCOMPLETE]     = "RXCOMPLETE",
00094         [EV_LINK_DEAD]      = "LINK_DEAD",
00095         [EV_LINK_ALIVE]     = "LINK_ALIVE",
00096     };
00097     debug_str(evnames[ev]);
00098     debug_char('\r');
00099     debug_char('\n');
00100 }