Michael Shimniok / SimpleShell

Simple embedded shell with runtime pluggable commands.

Dependents:   DataBus2018

Implements a simple unix-like shell for embedded systems with a pluggable command architecture.

Files at this revision

API Documentation at this revision

Revision 4:8b8fa59d0015, committed 2018-12-02

Comitter:
shimniok
Date:
Sun Dec 02 17:20:15 2018 +0000
Parent:
3:ebb4893f033d
Child:
5:8f486f4d29d3
Commit message:
Initial implementation of command lookup

Changed in this revision

SimpleShell.cpp Show annotated file Show diff for this revision Revisions of this file
SimpleShell.h Show annotated file Show diff for this revision Revisions of this file 
--- a/SimpleShell.cpp	Sun Dec 02 17:14:28 2018 +0000
+++ b/SimpleShell.cpp	Sun Dec 02 17:20:15 2018 +0000
@@ -8,17 +8,21 @@
 void SimpleShell::run()
 {
     bool done=false;
+    Callback<void()> cb;
+    
     strcpy(_cwd, "/log");
 
     printf("Type help for assistance.\n");
     while (!done) {
         printPrompt();
         readCommand();
-        //cb = findCommand();
-        //if cb
-        //  status = cb.call();
-        //  done = status == EXIT
-        //else error not found
+        if (cb = findCommand()) {
+            printf("found\n");
+            //  status = cb.call();
+            //  done = status == EXIT
+        } else {
+            printf("command not found\n");
+        }
     }
     puts("exiting shell\n");
 
@@ -46,6 +50,13 @@
 {
     Callback<void()> cb=NULL;
     
+    for (int i=0; i < lookupEnd; i++) {
+        if (strncmp(cmd, lookup[i].command, MAXBUF) == 0) {
+            cb = lookup[i].cb;
+            break;
+        }
+    }
+    
     return cb;
 }
 

--- a/SimpleShell.h	Sun Dec 02 17:14:28 2018 +0000
+++ b/SimpleShell.h	Sun Dec 02 17:20:15 2018 +0000
@@ -15,7 +15,7 @@
     Callback<void()> findCommand();  
     
 private:
-    static const int MAXBUF=128;
+    static const int MAXBUF=32;
     static const int MAXLOOKUP=32;
     void printPrompt(void);
     void readCommand();