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NesAdapter.h
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NesAdapter.h
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/*
LUFA Library
Copyright (C) Dean Camera, 2019.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2019 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for Joystick.c.
*/
#ifndef _NESADAPTER_H_
#define _NESADAPTER_H_
/* Includes: */
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/power.h>
#include <avr/interrupt.h>
#include <string.h>
#include "Descriptors.h"
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Drivers/Board/LEDs.h>
#include <LUFA/Platform/Platform.h>
/* Macros: */
/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
#define LEDMASK_USB_NOTREADY LEDS_LED1
/** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */
#define LEDMASK_USB_ENUMERATING (LEDS_LED2 | LEDS_LED3)
/** LED mask for the library LED driver, to indicate that the USB interface is ready. */
#define LEDMASK_USB_READY (LEDS_LED2 | LEDS_LED4)
/** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */
#define LEDMASK_USB_ERROR (LEDS_LED1 | LEDS_LED3)
/* Hardware definitions */
/* Joystick port 1 */
#define JOY1_DATA_DDR DDRD
#define JOY1_DATA_PORT PORTD
#define JOY1_DATA_PIN PIND
#define JOY1_DATA (1 << 0)
/* Joystick port 2 */
#define JOY2_DATA_DDR DDRD
#define JOY2_DATA_PORT PORTD
#define JOY2_DATA_PIN PIND
#define JOY2_DATA (1 << 1)
/* Joystick port 3 */
#define JOY3_DATA_DDR DDRD
#define JOY3_DATA_PORT PORTD
#define JOY3_DATA_PIN PIND
#define JOY3_DATA (1 << 4)
/* Joystick port 4 */
#define JOY4_DATA_DDR DDRD
#define JOY4_DATA_PORT PORTD
#define JOY4_DATA_PIN PIND
#define JOY4_DATA (1 << 5)
/* Joystick latch line (shared by all 4 joystick ports) */
#define JOY_LATCH_DDR DDRD
#define JOY_LATCH_PORT PORTD
#define JOY_LATCH_PIN PIND
#define JOY_LATCH (1 << 2)
/* Joystick clock line (shared by all 4 joystick ports) */
#define JOY_CLOCK_DDR DDRD
#define JOY_CLOCK_PORT PORTD
#define JOY_CLOCK_PIN PIND
#define JOY_CLOCK (1 << 3)
/* Mapping of buttons to the state array */
/* NES controller buttons */
#define MAP_FIREA_BUTTON 0
#define MAP_FIREB_BUTTON 1
#define MAP_SELECT_BUTTON 2
#define MAP_START_BUTTON 3
#define MAP_DOWN_BUTTON 4
#define MAP_UP_BUTTON 5
#define MAP_LEFT_BUTTON 6
#define MAP_RIGHT_BUTTON 7
/* SNES controller buttons */
// #define MAP_FIREB_BUTTON 0
// #define MAP_FIREY_BUTTON 1
// #define MAP_SELECT_BUTTON 2
// #define MAP_START_BUTTON 3
// #define MAP_DOWN_BUTTON 4
// #define MAP_UP_BUTTON 5
// #define MAP_LEFT_BUTTON 6
// #define MAP_RIGHT_BUTTON 7
// #define MAP_FIREA_BUTTON 8
// #define MAP_FIREX_BUTTON 9
// #define MAP_FIREL_BUTTON 10
// #define MAP_FIRER_BUTTON 11
/* The number of physical buttons */
#define NUMBER_OF_BUTTONS 8 /* NES */
// #define NUMBER_OF_BUTTONS 12 /* SNES */
/* Define the de-bounce tolerance */
#define DEBOUNCE_TOLERANCE 10
/* Physical button states */
#define BUTTON_OFF 0
#define BUTTON_ON 1
/* Type Defines: */
/** Type define for the joystick HID report structure,
* for creating and sending HID reports to the host PC.
* This mirrors the layout described to the host in the HID report descriptor,
* in Descriptors.c.
*/
typedef struct
{
int8_t x; // Current absolute joystick X position, as a signed 8-bit integer
int8_t y; // Current absolute joystick Y position, as a signed 8-bit integer
uint8_t buttonMask; // Bit mask of the currently pressed joystick buttons
} USB_JoystickReport_Data_t;
/* Function Prototypes: */
void SetupHardware(void);
void HID_Task(void);
void EVENT_USB_Device_Connect(void);
void EVENT_USB_Device_Disconnect(void);
void EVENT_USB_Device_ConfigurationChanged(void);
void EVENT_USB_Device_ControlRequest(void);
void readJoystickStates(void);
void performDebounce(void);
bool GetNextReport(USB_JoystickReport_Data_t* const reportData, USB_JoystickReport_Data_t* const previousReportData, uint8_t joystickNumber);
#endif