Diff: core/config.h

Revision:

26:b4421d1ee57a

Parent:

6:13d180af7501

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/config.h	Thu Jul 05 20:15:37 2018 +0000
@@ -0,0 +1,90 @@
+#ifndef CONFIG_H_
+#define CONFIG_H_
+
+#include "mbed.h"
+#include "utils.h"
+
+#define CMD_CHAR_HELP '?'
+
+namespace config
+{   
+    struct CommandResponder
+    {
+        virtual ~CommandResponder() { }
+        virtual bool parse(const char& c)=0;
+        virtual bool writeSettings()=0;
+        virtual void echoback()=0;
+    };
+
+    void addCommand(const char& command, CommandResponder* resp);
+    void removeCommand(const char& command);
+    
+    void handleSerial();
+    
+    void writeSettingsToSerial();
+}
+
+template<typename V>
+struct Property: public config::CommandResponder
+{
+    explicit Property(const char& command, const V& defaultValue):
+        command(command), value(defaultValue)
+    {
+        config::addCommand(command, this);
+    }
+    
+    Property(); // not allowed
+    
+    virtual ~Property(){
+        config::removeCommand(command);
+    }
+    
+    /**
+     *  returns: if this property accepts this command
+     */
+    virtual bool parse(const char& c)
+    {
+        if (c != command) {
+            return false;
+        }
+        
+        value = parseUnsignedFromSerial<V>(value); // TODO: deal with signedness?
+        return true;
+    }
+    
+    virtual bool writeSettings()
+    {
+        IO::write("%c%u",command,value); // TODO: deal with signedness?
+        return true;
+    }
+    
+    virtual void echoback()
+    {
+        IO::write(IO::CONFIG_HEADER);
+        writeSettings();
+        IO::write("\r\n");
+    }
+    
+    const char  command;
+    V           value;
+};
+
+class Action: public config::CommandResponder
+{
+public:
+    explicit Action(const char& command, Callback<void()> f);
+    
+    virtual ~Action();
+    
+    virtual bool parse(const char& c);
+    
+    virtual bool writeSettings();
+    
+    virtual void echoback();
+
+private:
+    const char          command_;
+    Callback<void()>    handler_;
+};
+
+#endif
\ No newline at end of file