Michael Spencer / Smoothie

Fork of Smoothie to port to mbed non-LPC targets.

Dependencies:   mbed

Fork of Smoothie by Stéphane Cachat

libs/Pin.h@0:31e91bb0ef3c, 2012-07-31 (annotated)

Committer:
scachat
Date:
Tue Jul 31 21:11:18 2012 +0000
Revision:
0:31e91bb0ef3c
Child:
1:ab59fc9af055
smoothie port to mbed online compiler

Who changed what in which revision?

UserRevisionLine numberNew contents of line
scachat 0:31e91bb0ef3c 1 #ifndef PIN_H
scachat 0:31e91bb0ef3c 2 #define PIN_H
scachat 0:31e91bb0ef3c 3
scachat 0:31e91bb0ef3c 4 #include <stdlib.h>
scachat 0:31e91bb0ef3c 5 #include "mbed.h" // smoothed mbed.h lib
scachat 0:31e91bb0ef3c 6 #include "libs/Kernel.h"
scachat 0:31e91bb0ef3c 7 #include "libs/utils.h"
scachat 0:31e91bb0ef3c 8 #include <string>
scachat 0:31e91bb0ef3c 9
scachat 0:31e91bb0ef3c 10 class Pin{
scachat 0:31e91bb0ef3c 11 public:
scachat 0:31e91bb0ef3c 12 Pin(){ }
scachat 0:31e91bb0ef3c 13
scachat 0:31e91bb0ef3c 14 Pin* from_string(std::string value){
scachat 0:31e91bb0ef3c 15 LPC_GPIO_TypeDef* gpios[5] ={LPC_GPIO0,LPC_GPIO1,LPC_GPIO2,LPC_GPIO3,LPC_GPIO4};
scachat 0:31e91bb0ef3c 16 this->port_number = atoi(value.substr(0,1).c_str());
scachat 0:31e91bb0ef3c 17 this->port = gpios[this->port_number];
scachat 0:31e91bb0ef3c 18 this->inverting = ( value.find_first_of("!")!=string::npos ? true : false );
scachat 0:31e91bb0ef3c 19 this->pin = atoi( value.substr(2, value.size()-2-(this->inverting?1:0)).c_str() );
scachat 0:31e91bb0ef3c 20 return this;
scachat 0:31e91bb0ef3c 21 }
scachat 0:31e91bb0ef3c 22
scachat 0:31e91bb0ef3c 23 inline Pin* as_output(){
scachat 0:31e91bb0ef3c 24 this->port->FIODIR |= 1<<this->pin;
scachat 0:31e91bb0ef3c 25 return this;
scachat 0:31e91bb0ef3c 26 }
scachat 0:31e91bb0ef3c 27
scachat 0:31e91bb0ef3c 28 inline Pin* as_input(){
scachat 0:31e91bb0ef3c 29 this->port->FIODIR &= ~(1<<this->pin);
scachat 0:31e91bb0ef3c 30 return this;
scachat 0:31e91bb0ef3c 31 }
scachat 0:31e91bb0ef3c 32
scachat 0:31e91bb0ef3c 33 inline Pin* as_open_drain(){
scachat 0:31e91bb0ef3c 34 if( this->port_number == 0 ){ LPC_PINCON->PINMODE_OD0 |= (1<<this->pin); }
scachat 0:31e91bb0ef3c 35 if( this->port_number == 1 ){ LPC_PINCON->PINMODE_OD1 |= (1<<this->pin); }
scachat 0:31e91bb0ef3c 36 if( this->port_number == 2 ){ LPC_PINCON->PINMODE_OD2 |= (1<<this->pin); }
scachat 0:31e91bb0ef3c 37 if( this->port_number == 3 ){ LPC_PINCON->PINMODE_OD3 |= (1<<this->pin); }
scachat 0:31e91bb0ef3c 38 if( this->port_number == 4 ){ LPC_PINCON->PINMODE_OD4 |= (1<<this->pin); }
scachat 0:31e91bb0ef3c 39 return this;
scachat 0:31e91bb0ef3c 40 }
scachat 0:31e91bb0ef3c 41
scachat 0:31e91bb0ef3c 42 inline bool get(){
scachat 0:31e91bb0ef3c 43 return this->inverting ^ (( this->port->FIOPIN >> this->pin ) & 1);
scachat 0:31e91bb0ef3c 44 }
scachat 0:31e91bb0ef3c 45
scachat 0:31e91bb0ef3c 46 inline void set(bool value){
scachat 0:31e91bb0ef3c 47 value = this->inverting ^ value;
scachat 0:31e91bb0ef3c 48 if( value ){
scachat 0:31e91bb0ef3c 49 this->port->FIOSET = 1 << this->pin;
scachat 0:31e91bb0ef3c 50 }else{
scachat 0:31e91bb0ef3c 51 this->port->FIOCLR = 1 << this->pin;
scachat 0:31e91bb0ef3c 52 }
scachat 0:31e91bb0ef3c 53 }
scachat 0:31e91bb0ef3c 54
scachat 0:31e91bb0ef3c 55 bool inverting;
scachat 0:31e91bb0ef3c 56 LPC_GPIO_TypeDef* port;
scachat 0:31e91bb0ef3c 57 char port_number;
scachat 0:31e91bb0ef3c 58 char pin;
scachat 0:31e91bb0ef3c 59 };
scachat 0:31e91bb0ef3c 60
scachat 0:31e91bb0ef3c 61
scachat 0:31e91bb0ef3c 62
scachat 0:31e91bb0ef3c 63
scachat 0:31e91bb0ef3c 64 #endif