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SNES adapter supports the NTT Data Keypad (NDK10)

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This commit is contained in:
MickGyver 2020-04-17 16:10:42 +03:00
parent 9284c06b74
commit cb87425b15
3 changed files with 44 additions and 33 deletions
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12
SNESControllersUSB/Gamepad.cpp
View File

@ -23,9 +23,6 @@
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#pragma once
#include "Gamepad.h"
static const uint8_t _hidReportDescriptor[] PROGMEM = {
@ -36,10 +33,10 @@ static const uint8_t _hidReportDescriptor[] PROGMEM = {
0x05, 0x09, // USAGE_PAGE (Button)
0x19, 0x01, // USAGE_MINIMUM (Button 1)
0x29, 0x08, // USAGE_MAXIMUM (Button 8)
0x29, 0x18, // USAGE_MAXIMUM (Button 24)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x95, 0x08, // REPORT_COUNT (8)
0x95, 0x18, // REPORT_COUNT (24)
0x75, 0x01, // REPORT_SIZE (1)
0x81, 0x02, // INPUT (Data,Var,Abs)
@ -146,5 +143,10 @@ void Gamepad_::send()
uint8_t Gamepad_::getShortName(char *name)
{
if(!next)
{
strcpy(name, gp_serial);
return strlen(name);
}
return 0;
}

24
SNESControllersUSB/Gamepad.h
View File

@ -28,26 +28,12 @@
#include "HID.h"
// The numbers after colon are bit fields, meaning how many bits the field uses.
// Remove those if there are problems
typedef struct {
union
{
struct {
bool b0: 1 ;
bool b1: 1 ;
bool b2: 1 ;
bool b3: 1 ;
bool b4: 1 ;
bool b5: 1 ;
bool b6: 1 ;
bool b7: 1 ;
};
uint8_t buttons;
};
int8_t X ;
int8_t Y ;
extern const char* gp_serial;
typedef struct {
uint32_t buttons : 24;
int8_t X;
int8_t Y;
} GamepadReport;

37
SNESControllersUSB/SNESControllersUSB.ino
View File

@ -23,6 +23,10 @@
#include "Gamepad.h"
// ATT: 20 chars max (including NULL at the end) according to Arduino source code.
// Additionally serial number is used to differentiate arduino projects to have different button maps!
const char *gp_serial = "NES/SNES to USB";
#define GAMEPAD_COUNT 2 // NOTE: No more than TWO gamepads are possible at the moment due to a USB HID issue.
#define GAMEPAD_COUNT_MAX 4 // NOTE: For some reason, can't have more than two gamepads without serial breaking. Can someone figure out why?
// (It has something to do with how Arduino handles HID devices)
@ -36,6 +40,8 @@
#define LEFT 0x04
#define RIGHT 0x08
#define NTT_CONTROL_BIT 0x20000000
// Wire it all up according to the following table:
//
// NES SNES Arduino Pro Micro
@ -53,12 +59,15 @@
Gamepad_ Gamepad[GAMEPAD_COUNT];
// Controllers
uint16_t buttons[GAMEPAD_COUNT_MAX] = {0,0,0,0};
uint16_t buttonsPrev[GAMEPAD_COUNT_MAX] = {0,0,0,0};
uint32_t buttons[GAMEPAD_COUNT_MAX] = {0,0,0,0};
uint32_t buttonsPrev[GAMEPAD_COUNT_MAX] = {0,0,0,0};
uint8_t gpBit[GAMEPAD_COUNT_MAX] = {B10000000,B01000000,B00100000,B00010000};
uint16_t btnBitsSnes[12] = {0x200,0x800,0x8000,0x4000,UP,DOWN,LEFT,RIGHT,0x100,0x400,0x1000,0x2000};
uint16_t btnBitsNes[8] = {0x100,0x200,0x8000,0x4000,UP,DOWN,LEFT,RIGHT};
uint16_t *btnBits;
uint32_t btnBitsSnes[32] = {0x10,0x40,0x400,0x800,UP,DOWN,LEFT,RIGHT,0x20,0x80,0x100,0x200, // Standard SNES controller
0x10000000,0x20000000,0x40000000,0x80000000,0x1000,0x2000,0x4000,0x8000, // NTT Data Keypad (NDK10)
0x10000,0x20000,0x40000,0x80000,0x100000,0x200000,0x400000,0x800000,
0x1000000,0x2000000,0x4000000,0x8000000};
uint32_t btnBitsNes[8] = {0x20,0x10,0x400,0x800,UP,DOWN,LEFT,RIGHT};
uint32_t *btnBits;
uint8_t gp = 0;
uint8_t gpType = GPTYPE;
uint8_t buttonCount = 0;
@ -78,7 +87,7 @@ void setup()
PORTF |= B11110000; // enable internal pull-ups
if(gpType == SNES) {
buttonCount = 12;
buttonCount = 32;
btnBits = btnBitsSnes;
}
else {
@ -101,10 +110,24 @@ void loop()
for(uint8_t btn=0; btn<buttonCount; btn++)
{
for(gp=0; gp<GAMEPAD_COUNT; gp++)
{
(PINF & gpBit[gp]) ? buttons[gp] &= ~btnBits[btn] : buttons[gp] |= btnBits[btn];
}
sendClock();
}
// Check for NTT Data Keypad
if(gpType == SNES)
{
for(gp=0; gp<GAMEPAD_COUNT; gp++)
{
if(buttons[gp] & NTT_CONTROL_BIT)
buttons[gp] &= 0x3FFFFFF;
else
buttons[gp] &= 0xFFF;
}
}
microsButtons = microsNow+100;
}
@ -113,7 +136,7 @@ void loop()
// Has any buttons changed state?
if (buttons[gp] != buttonsPrev[gp])
{
Gamepad[gp]._GamepadReport.buttons = buttons[gp] >> 8;
Gamepad[gp]._GamepadReport.buttons = (buttons[gp] >> 4); // First 4 bits are the axes
Gamepad[gp]._GamepadReport.Y = ((buttons[gp] & DOWN) >> 1) - (buttons[gp] & UP);
Gamepad[gp]._GamepadReport.X = ((buttons[gp] & RIGHT) >> 3) - ((buttons[gp] & LEFT) >> 2);
buttonsPrev[gp] = buttons[gp];