src/libs/Pin.h

   1 #ifndef PIN_H
   2 #define PIN_H
   3
   4 #include <stdlib.h>
   5 #include <stdio.h>
   6 #include <string>
   7
   8 #include "libs/LPC17xx/sLPC17xx.h" // smoothed mbed.h lib
   9
  10 class Pin {
  11     public:
  12         Pin();
  13
  14         Pin* from_string(std::string value);
  15
  16         inline bool connected(){
  17             return this->pin < 32;
  18         }
  19
  20         inline Pin* as_output(){
  21             if (this->pin < 32)
  22                 this->port->FIODIR |= 1<<this->pin;
  23             return this;
  24         }
  25
  26         inline Pin* as_input(){
  27             if (this->pin < 32)
  28                 this->port->FIODIR &= ~(1<<this->pin);
  29             return this;
  30         }
  31
  32         Pin* as_open_drain(void);
  33
  34         Pin* as_repeater(void);
  35
  36         Pin* pull_up(void);
  37
  38         Pin* pull_down(void);
  39
  40         Pin* pull_none(void);
  41
  42         inline bool get(){
  43             if (this->pin >= 32) return false;
  44             return this->inverting ^ (( this->port->FIOPIN >> this->pin ) & 1);
  45         }
  46
  47         inline void set(bool value)
  48         {
  49             if (this->pin >= 32) return;
  50             if ( this->inverting ^ value )
  51                 this->port->FIOSET = 1 << this->pin;
  52             else
  53                 this->port->FIOCLR = 1 << this->pin;
  54         }
  55
  56         LPC_GPIO_TypeDef* port;
  57         bool inverting;
  58         char port_number;
  59         unsigned char pin;
  60 };
  61
  62
  63
  64
  65 #endif