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PS2X_lib.h
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/******************************************************************
* Super amazing PS2 controller Arduino Library v1.8
* details and example sketch:
* http://www.billporter.info/?p=240
*
* Original code by Shutter on Arduino Forums
*
* Revamped, made into lib by and supporting continued development:
* Bill Porter
* www.billporter.info
*
* Contributers:
* Eric Wetzel ([email protected])
* Kurt Eckhardt
*
* Lib version history
* 0.1 made into library, added analog stick support.
* 0.2 fixed config_gamepad miss-spelling
* added new functions:
* NewButtonState();
* NewButtonState(unsigned int);
* ButtonPressed(unsigned int);
* ButtonReleased(unsigned int);
* removed 'PS' from beginning of ever function
* 1.0 found and fixed bug that wasn't configuring controller
* added ability to define pins
* added time checking to reconfigure controller if not polled enough
* Analog sticks and pressures all through 'ps2x.Analog()' function
* added:
* enableRumble();
* enablePressures();
* 1.1
* added some debug stuff for end user. Reports if no controller found
* added auto-increasing sentence delay to see if it helps compatibility.
* 1.2
* found bad math by Shutter for original clock. Was running at 50kHz, not the required 500kHz.
* fixed some of the debug reporting.
* 1.3
* Changed clock back to 50kHz. CuriousInventor says it's suppose to be 500kHz, but doesn't seem to work for everybody.
* 1.4
* Removed redundant functions.
* Fixed mode check to include two other possible modes the controller could be in.
* Added debug code enabled by compiler directives. See below to enable debug mode.
* Added button definitions for shapes as well as colors.
* 1.41
* Some simple bug fixes
* Added Keywords.txt file
* 1.5
* Added proper Guitar Hero compatibility
* Fixed issue with DEBUG mode, had to send serial at once instead of in bits
* 1.6
* Changed config_gamepad() call to include rumble and pressures options
* This was to fix controllers that will only go into config mode once
* Old methods should still work for backwards compatibility
* 1.7
* Integrated Kurt's fixes for the interrupts messing with servo signals
* Reorganized directory so examples show up in Arduino IDE menu
* 1.8
* Added Arduino 1.0 compatibility.
* 1.9
* Kurt - Added detection and recovery from dropping from analog mode, plus
* integrated Chipkit (pic32mx...) support
*
*
*
*This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
<http://www.gnu.org/licenses/>
*
******************************************************************/
// $$$$$$$$$$$$ DEBUG ENABLE SECTION $$$$$$$$$$$$$$$$
// to debug ps2 controller, uncomment these two lines to print out debug to uart
//#define PS2X_DEBUG
//#define PS2X_COM_DEBUG
#ifndef PS2X_lib_h
#define PS2X_lib_h
#if ARDUINO > 22
#include "Arduino.h"
#else
#include "WProgram.h"
#endif
#include <math.h>
#include <stdio.h>
#include <stdint.h>
#ifdef __AVR__
// AVR
#include <avr/io.h>
#define CTRL_CLK 4
#define CTRL_BYTE_DELAY 3
#else
#if defined(ESP8266) || defined(ESP32)
#define CTRL_CLK 5
#define CTRL_CLK_HIGH 5
#define CTRL_BYTE_DELAY 18
#else
// Pic32...
#include <pins_arduino.h>
#define CTRL_CLK 5
#define CTRL_CLK_HIGH 5
#define CTRL_BYTE_DELAY 4
#endif
#endif
//These are our button constants
#define PSB_SELECT 0x0001
#define PSB_L3 0x0002
#define PSB_R3 0x0004
#define PSB_START 0x0008
#define PSB_PAD_UP 0x0010
#define PSB_PAD_RIGHT 0x0020
#define PSB_PAD_DOWN 0x0040
#define PSB_PAD_LEFT 0x0080
#define PSB_L2 0x0100
#define PSB_R2 0x0200
#define PSB_L1 0x0400
#define PSB_R1 0x0800
#define PSB_GREEN 0x1000
#define PSB_RED 0x2000
#define PSB_BLUE 0x4000
#define PSB_PINK 0x8000
#define PSB_TRIANGLE 0x1000
#define PSB_CIRCLE 0x2000
#define PSB_CROSS 0x4000
#define PSB_SQUARE 0x8000
//Guitar button constants
#define UP_STRUM 0x0010
#define DOWN_STRUM 0x0040
#define LEFT_STRUM 0x0080
#define RIGHT_STRUM 0x0020
#define STAR_POWER 0x0100
#define GREEN_FRET 0x0200
#define YELLOW_FRET 0x1000
#define RED_FRET 0x2000
#define BLUE_FRET 0x4000
#define ORANGE_FRET 0x8000
#define WHAMMY_BAR 8
//These are stick values
#define PSS_RX 5
#define PSS_RY 6
#define PSS_LX 7
#define PSS_LY 8
//These are analog buttons
#define PSAB_PAD_RIGHT 9
#define PSAB_PAD_UP 11
#define PSAB_PAD_DOWN 12
#define PSAB_PAD_LEFT 10
#define PSAB_L2 19
#define PSAB_R2 20
#define PSAB_L1 17
#define PSAB_R1 18
#define PSAB_GREEN 13
#define PSAB_RED 14
#define PSAB_BLUE 15
#define PSAB_PINK 16
#define PSAB_TRIANGLE 13
#define PSAB_CIRCLE 14
#define PSAB_CROSS 15
#define PSAB_SQUARE 16
#define SET(x,y) (x|=(1<<y))
#define CLR(x,y) (x&=(~(1<<y)))
#define CHK(x,y) (x & (1<<y))
#define TOG(x,y) (x^=(1<<y))
class PS2X {
public:
boolean Button(uint16_t); //will be TRUE if button is being pressed
unsigned int ButtonDataByte();
boolean NewButtonState();
boolean NewButtonState(unsigned int); //will be TRUE if button was JUST pressed OR released
boolean ButtonPressed(unsigned int); //will be TRUE if button was JUST pressed
boolean ButtonReleased(unsigned int); //will be TRUE if button was JUST released
void read_gamepad();
boolean read_gamepad(boolean, byte);
byte readType();
byte config_gamepad(uint8_t, uint8_t, uint8_t, uint8_t);
byte config_gamepad(uint8_t, uint8_t, uint8_t, uint8_t, bool, bool);
void enableRumble();
bool enablePressures();
byte Analog(byte);
void reconfig_gamepad();
private:
inline void CLK_SET(void);
inline void CLK_CLR(void);
inline void CMD_SET(void);
inline void CMD_CLR(void);
inline void ATT_SET(void);
inline void ATT_CLR(void);
inline bool DAT_CHK(void);
unsigned char _gamepad_shiftinout (char);
unsigned char PS2data[21];
void sendCommandString(byte*, byte);
unsigned char i;
unsigned int last_buttons;
unsigned int buttons;
#ifdef __AVR__
uint8_t maskToBitNum(uint8_t);
uint8_t _clk_mask;
volatile uint8_t *_clk_oreg;
uint8_t _cmd_mask;
volatile uint8_t *_cmd_oreg;
uint8_t _att_mask;
volatile uint8_t *_att_oreg;
uint8_t _dat_mask;
volatile uint8_t *_dat_ireg;
#else
#if defined(ESP8266) || defined(ESP32)
int _clk_pin;
int _cmd_pin;
int _att_pin;
int _dat_pin;
#else
uint8_t maskToBitNum(uint8_t);
uint16_t _clk_mask;
volatile uint32_t *_clk_lport_set;
volatile uint32_t *_clk_lport_clr;
uint16_t _cmd_mask;
volatile uint32_t *_cmd_lport_set;
volatile uint32_t *_cmd_lport_clr;
uint16_t _att_mask;
volatile uint32_t *_att_lport_set;
volatile uint32_t *_att_lport_clr;
uint16_t _dat_mask;
volatile uint32_t *_dat_lport;
#endif
#endif
unsigned long last_read;
byte read_delay;
byte controller_type;
boolean en_Rumble;
boolean en_Pressures;
};
#endif