Diff: libs/Pin.h

Revision:

0:31e91bb0ef3c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libs/Pin.h	Tue Jul 31 21:11:18 2012 +0000
@@ -0,0 +1,64 @@
+#ifndef PIN_H
+#define PIN_H
+
+#include <stdlib.h>
+#include "mbed.h" // smoothed mbed.h lib
+#include "libs/Kernel.h"
+#include "libs/utils.h"
+#include <string>
+
+class Pin{
+    public:
+        Pin(){ }
+
+        Pin* from_string(std::string value){
+            LPC_GPIO_TypeDef* gpios[5] ={LPC_GPIO0,LPC_GPIO1,LPC_GPIO2,LPC_GPIO3,LPC_GPIO4};
+            this->port_number =  atoi(value.substr(0,1).c_str());  
+            this->port = gpios[this->port_number]; 
+            this->inverting = ( value.find_first_of("!")!=string::npos ? true : false );
+            this->pin  = atoi( value.substr(2, value.size()-2-(this->inverting?1:0)).c_str() );
+            return this;
+        }
+
+        inline Pin*  as_output(){
+            this->port->FIODIR |= 1<<this->pin;
+            return this;
+        }  
+
+        inline Pin*  as_input(){
+            this->port->FIODIR &= ~(1<<this->pin);
+            return this;
+        }  
+
+        inline Pin* as_open_drain(){
+            if( this->port_number == 0 ){ LPC_PINCON->PINMODE_OD0 |= (1<<this->pin); }
+            if( this->port_number == 1 ){ LPC_PINCON->PINMODE_OD1 |= (1<<this->pin); }
+            if( this->port_number == 2 ){ LPC_PINCON->PINMODE_OD2 |= (1<<this->pin); }
+            if( this->port_number == 3 ){ LPC_PINCON->PINMODE_OD3 |= (1<<this->pin); }
+            if( this->port_number == 4 ){ LPC_PINCON->PINMODE_OD4 |= (1<<this->pin); }
+            return this;
+        }
+
+        inline bool get(){
+            return this->inverting ^ (( this->port->FIOPIN >> this->pin ) & 1);
+        }
+
+        inline void set(bool value){
+            value = this->inverting ^ value;
+            if( value ){
+                this->port->FIOSET = 1 << this->pin;
+            }else{
+                this->port->FIOCLR = 1 << this->pin;
+            }        
+        }
+
+        bool inverting; 
+        LPC_GPIO_TypeDef* port;
+        char port_number;
+        char pin; 
+};
+
+
+
+
+#endif