Changes for page ROS Crash Course

Last modified by Leon Poon on 2021/08/30 23:24
From version 5.1
edited by Leon Poon
on 2021/08/23 11:08
Change comment: There is no comment for this version
To version 3.1
edited by Leon Poon
on 2021/08/23 11:06
Change comment: There is no comment for this version

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... ... @@ -9,7 +9,7 @@
9 9  
10 10  Paths, "/" and "." and ".." in navigating directories - absolute vs relative
11 11  
12 -data type - binary itself is meaningless unless you say what information that the binary bits represent
12 +data type - binary itself is meaningless unless you say what data the binary represent
13 13  
14 14  declare variables (int, char, string as series of chars)
15 15  
... ... @@ -37,7 +37,7 @@
37 37  
38 38  Switch vs if-else differences - number of times expressions are evaluated
39 39  
40 -write your own function
40 +your own function
41 41  
42 42  calling with parameters copied as separate set of var values in function
43 43  
... ... @@ -53,8 +53,6 @@
53 53  
54 54  Value overflow because not enough number of bits to represent large numbers.
55 55  
56 -Various integer data types - specifier in printf
57 -
58 58  Homework: implement factorial (1 to 20) calculator
59 59  
60 60  in Linux, most things are case-sensitive. (A not equals a)
... ... @@ -96,8 +96,6 @@
96 96  
97 97  msg files - fields declaration with data type
98 98  
99 -create cpp file for a node
97 +cpp file for a node
100 100  
101 -quick reading of code for publisher node
102 -
103 103  homework: implement message subscriber node according to ROS book