Revision 0:eeacb336ebf6, committed 2017-11-02

Comitter:

rossatmsoe

Date:

Thu Nov 02 18:58:43 2017 +0000

Commit message:

Experimentation with character arrays (also known as strings).

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Nov 02 18:58:43 2017 +0000
@@ -0,0 +1,70 @@
+#include "mbed.h"
+
+// Fun with strings!
+
+Serial pc(USBTX,USBRX);
+void yell(char *phrase);
+void cartoon_curse(int length);
+
+
+int main() {
+    
+    char message[]="Hello World!";
+    
+    pc.printf("%s\n",message);  
+    pc.printf("%c\n",message[4]);
+    pc.printf("%d\n",message[4]);
+    yell(message);
+    yell("la la la");
+    cartoon_curse(4);    
+    
+    while(1) {}
+}
+
+ // Function that will take a string (char array) as input
+ // and print that string in all caps
+ void yell(char *phrase) {
+    int k=0;
+    while(phrase[k]!=0){
+        if( (phrase[k]>=97) && (phrase[k]<='z') ) {
+            pc.printf("%c",phrase[k]-32);
+        }
+        else {
+            pc.printf("%c",phrase[k]);
+        }
+        k++;
+    }
+    pc.printf("!!!\n");
+}
+
+// Function that will take random characters from an
+// array of symbols to make an expression used by
+// angry cartoon characters
+void cartoon_curse(int length) {
+    char good_symbols[]="!@*#&$%?";
+    for(int k=0; k<length; k++) {
+        int n=rand()%8;
+        pc.printf("%c",good_symbols[n]);
+    }
+    pc.printf("!\n");
+}
+    
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+       
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Nov 02 18:58:43 2017 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/fb8e0ae1cceb
\ No newline at end of file