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Code Issues Releases Wiki Activity

Probably fixed the "going-to-sleep" bug for the SNES adapter

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This commit is contained in:
MickGyver 2020-05-11 07:09:11 +03:00
parent 8afc5eb909
commit 3034c3bcf6
2 changed files with 24 additions and 27 deletions
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49
SNESControllersUSB/SNESControllersUSB.ino
View File

@ -30,7 +30,10 @@ 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 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? #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) // (It has something to do with how Arduino handles HID devices)
#define BUTTON_READ_DELAY 300 // Button read delay in µs #define BUTTON_READ_DELAY 30 // Delay between button reads in µs
#define MICROS_LATCH 12 // 12µs according to specs (8 seems to work fine)
#define MICROS_CLOCK 6 // 6µs according to specs (4 seems to work fine)
#define MICROS_PAUSE 6 // 6µs according to specs (4 seems to work fine)
#define UP 0x01 #define UP 0x01
#define DOWN 0x02 #define DOWN 0x02
@ -67,8 +70,7 @@ uint8_t gp = 0;
uint8_t buttonCount = 32; uint8_t buttonCount = 32;
// Timing // Timing
long microsNow = 0; uint32_t microsButtons = 0;
long microsButtons = 0;
void setup() void setup()
{ {
@ -81,13 +83,10 @@ void setup()
PORTF |= B11110000; // enable internal pull-ups PORTF |= B11110000; // enable internal pull-ups
} }
void loop() void loop() { while(1)
{ {
// Get current time
microsNow = micros();
// See if enough time has passed since last button read // See if enough time has passed since last button read
if(microsNow > microsButtons+BUTTON_READ_DELAY) if(micros() - microsButtons > BUTTON_READ_DELAY)
{ {
// Pulse latch // Pulse latch
sendLatch(); sendLatch();
@ -113,37 +112,37 @@ void loop()
buttons[gp] &= 0xFFF; buttons[gp] &= 0xFFF;
} }
microsButtons = microsNow+100; for(gp=0; gp<GAMEPAD_COUNT; gp++)
}
for(gp=0; gp<GAMEPAD_COUNT; gp++)
{
// Has any buttons changed state?
if (buttons[gp] != buttonsPrev[gp])
{ {
Gamepad[gp]._GamepadReport.buttons = (buttons[gp] >> 4); // First 4 bits are the axes // Has any buttons changed state?
Gamepad[gp]._GamepadReport.Y = ((buttons[gp] & DOWN) >> 1) - (buttons[gp] & UP); if (buttons[gp] != buttonsPrev[gp])
Gamepad[gp]._GamepadReport.X = ((buttons[gp] & RIGHT) >> 3) - ((buttons[gp] & LEFT) >> 2); {
buttonsPrev[gp] = buttons[gp]; Gamepad[gp]._GamepadReport.buttons = (buttons[gp] >> 4); // First 4 bits are the axes
Gamepad[gp].send(); 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];
Gamepad[gp].send();
}
} }
microsButtons = micros();
} }
} }}
void sendLatch() void sendLatch()
{ {
// Send a latch pulse to (S)NES controller(s) // Send a latch pulse to (S)NES controller(s)
PORTD |= B00000010; // Set HIGH PORTD |= B00000010; // Set HIGH
delayMicroseconds(12); delayMicroseconds(MICROS_LATCH);
PORTD &= ~B00000010; // Set LOW PORTD &= ~B00000010; // Set LOW
delayMicroseconds(6); delayMicroseconds(MICROS_PAUSE);
} }
void sendClock() void sendClock()
{ {
// Send a clock pulse to (S)NES controller(s) // Send a clock pulse to (S)NES controller(s)
PORTD |= B10000001; // Set HIGH PORTD |= B10000001; // Set HIGH
delayMicroseconds(6); delayMicroseconds(MICROS_CLOCK);
PORTD &= ~B10000001; // Set LOW PORTD &= ~B10000001; // Set LOW
delayMicroseconds(6); delayMicroseconds(MICROS_PAUSE);
} }

2
SegaControllerUSB/Gamepad.cpp
View File

@ -24,8 +24,6 @@
* *
*/ */
#pragma once
#include "Gamepad.h" #include "Gamepad.h"
static const uint8_t _hidReportDescriptor[] PROGMEM = { static const uint8_t _hidReportDescriptor[] PROGMEM = {