snesonardo.ino
· 4.6 KiB · Arduino
Raw
#include <Joystick.h>
// Microseconds
#define LATCH_TIME 12
#define MEASURE_DELAY 6
// Leonardo Pins
#define CLOCK 2
#define LATCH 3
#define P1_DATA 4
#define P2_DATA 5
// Machine States
#define STATE_LATCH 0
#define STATE_WAIT_LATCH 1
#define STATE_WAIT_MEASURE 2
#define STATE_MEASURE_RISE 3
#define STATE_MEASURE_FALL 4
#define STATE_WAIT_LATCH 5
// SNES Map
#define BUTTON_A 8
#define BUTTON_B 0
#define BUTTON_X 9
#define BUTTON_Y 1
#define BUTTON_START 3
#define BUTTON_SELECT 2
#define BUTTON_L 10
#define BUTTON_R 11
#define BUTTON_UP 4
#define BUTTON_DOWN 5
#define BUTTON_LEFT 6
#define BUTTON_RIGHT 7
unsigned long t0, t1, t2;
bool P1[16], P2[16];
int state;
int curPin;
Joystick_ Joy1(0x03, JOYSTICK_TYPE_GAMEPAD,
8, 0, // Button Count, Hat Switch Count
true, true, false, // X and Y, but no Z Axis
false, false, false, // No Rx, Ry, or Rz
false, false, // No rudder or throttle
false, false, false); // No accelerator, brake, or steering
Joystick_ Joy2(0x04, JOYSTICK_TYPE_GAMEPAD,
8, 0, // Button Count, Hat Switch Count
true, true, false, // X and Y, but no Z Axis
false, false, false, // No Rx, Ry, or Rz
false, false, // No rudder or throttle
false, false, false); // No accelerator, brake, or steering
void setup() {
pinMode(CLOCK, OUTPUT);
pinMode(LATCH, OUTPUT);
pinMode(P1_DATA, INPUT);
pinMode(P2_DATA, INPUT);
for (int i=0; i<10; i++) {
P1[i] = false;
P2[i] = false;
}
digitalWrite(CLOCK, HIGH);
digitalWrite(LATCH, LOW);
digitalWrite(P1_DATA, HIGH);
digitalWrite(P2_DATA, HIGH);
state = STATE_LATCH;
curPin = 0;
Joy1.setXAxisRange(-1, 1);
Joy1.setYAxisRange(-1, 1);
Joy2.setXAxisRange(-1, 1);
Joy2.setYAxisRange(-1, 1);
Joy1.begin(false);
Joy2.begin(false);
}
void updateJoys() {
Joy1.setYAxis(0);
Joy2.setYAxis(0);
Joy1.setXAxis(0);
Joy2.setXAxis(0);
for (int i=0; i<12; i++) {
switch (i) {
case BUTTON_A:
Joy1.setButton(0, P1[i]);
Joy2.setButton(0, P2[i]);
break;
case BUTTON_B:
Joy1.setButton(1, P1[i]);
Joy2.setButton(1, P2[i]);
break;
case BUTTON_X:
Joy1.setButton(2, P1[i]);
Joy2.setButton(2, P2[i]);
break;
case BUTTON_Y:
Joy1.setButton(3, P1[i]);
Joy2.setButton(3, P2[i]);
break;
case BUTTON_START:
Joy1.setButton(4, P1[i]);
Joy2.setButton(4, P2[i]);
break;
case BUTTON_SELECT:
Joy1.setButton(5, P1[i]);
Joy2.setButton(5, P2[i]);
break;
case BUTTON_L:
Joy1.setButton(6, P1[i]);
Joy2.setButton(6, P2[i]);
break;
case BUTTON_R:
Joy1.setButton(7, P1[i]);
Joy2.setButton(7, P2[i]);
break;
case BUTTON_UP:
if (P1[i]) {
Joy1.setYAxis(-1);
}
if (P2[i]) {
Joy2.setYAxis(-1);
}
break;
case BUTTON_DOWN:
if (P1[i]) {
Joy1.setYAxis(1);
}
if (P2[i]) {
Joy2.setYAxis(1);
}
break;
case BUTTON_LEFT:
if (P1[i]) {
Joy1.setXAxis(-1);
}
if (P2[i]) {
Joy2.setXAxis(-1);
}
break;
case BUTTON_RIGHT:
if (P1[i]) {
Joy1.setXAxis(1);
}
if (P2[i]) {
Joy2.setXAxis(1);
}
break;
}
}
Joy1.sendState();
Joy2.sendState();
}
void loop() {
switch(state) {
case STATE_LATCH:
digitalWrite(LATCH, HIGH);
t0 = micros();
state = STATE_WAIT_LATCH;
break;
case STATE_WAIT_LATCH:
if (micros() - t0 >= LATCH_TIME) {
digitalWrite(LATCH, LOW);
t0 = micros();
state = STATE_WAIT_MEASURE;
}
break;
case STATE_WAIT_MEASURE:
if(micros() - t0 >= MEASURE_DELAY) {
t0 = micros();
state = STATE_MEASURE_FALL;
digitalWrite(CLOCK, LOW);
}
break;
case STATE_MEASURE_RISE:
if (micros() - t0 >= MEASURE_DELAY) {
if (curPin == 16) {
state = STATE_LATCH;
curPin = 0;
updateJoys();
} else {
digitalWrite(CLOCK, LOW);
t0 = micros();
state = STATE_MEASURE_FALL;
}
}
break;
case STATE_MEASURE_FALL:
if (micros() - t0 >= MEASURE_DELAY) {
P1[curPin] = !digitalRead(P1_DATA);
P2[curPin] = !digitalRead(P2_DATA);
curPin++;
digitalWrite(CLOCK, HIGH);
t0 = micros();
state = STATE_MEASURE_RISE;
}
break;
}
}
| 1 | #include <Joystick.h> |
| 2 | |
| 3 | // Microseconds |
| 4 | #define LATCH_TIME 12 |
| 5 | #define MEASURE_DELAY 6 |
| 6 | |
| 7 | // Leonardo Pins |
| 8 | #define CLOCK 2 |
| 9 | #define LATCH 3 |
| 10 | #define P1_DATA 4 |
| 11 | #define P2_DATA 5 |
| 12 | |
| 13 | // Machine States |
| 14 | #define STATE_LATCH 0 |
| 15 | #define STATE_WAIT_LATCH 1 |
| 16 | #define STATE_WAIT_MEASURE 2 |
| 17 | #define STATE_MEASURE_RISE 3 |
| 18 | #define STATE_MEASURE_FALL 4 |
| 19 | #define STATE_WAIT_LATCH 5 |
| 20 | |
| 21 | // SNES Map |
| 22 | #define BUTTON_A 8 |
| 23 | #define BUTTON_B 0 |
| 24 | #define BUTTON_X 9 |
| 25 | #define BUTTON_Y 1 |
| 26 | #define BUTTON_START 3 |
| 27 | #define BUTTON_SELECT 2 |
| 28 | #define BUTTON_L 10 |
| 29 | #define BUTTON_R 11 |
| 30 | #define BUTTON_UP 4 |
| 31 | #define BUTTON_DOWN 5 |
| 32 | #define BUTTON_LEFT 6 |
| 33 | #define BUTTON_RIGHT 7 |
| 34 | |
| 35 | unsigned long t0, t1, t2; |
| 36 | |
| 37 | bool P1[16], P2[16]; |
| 38 | |
| 39 | int state; |
| 40 | int curPin; |
| 41 | |
| 42 | Joystick_ Joy1(0x03, JOYSTICK_TYPE_GAMEPAD, |
| 43 | 8, 0, // Button Count, Hat Switch Count |
| 44 | true, true, false, // X and Y, but no Z Axis |
| 45 | false, false, false, // No Rx, Ry, or Rz |
| 46 | false, false, // No rudder or throttle |
| 47 | false, false, false); // No accelerator, brake, or steering |
| 48 | |
| 49 | Joystick_ Joy2(0x04, JOYSTICK_TYPE_GAMEPAD, |
| 50 | 8, 0, // Button Count, Hat Switch Count |
| 51 | true, true, false, // X and Y, but no Z Axis |
| 52 | false, false, false, // No Rx, Ry, or Rz |
| 53 | false, false, // No rudder or throttle |
| 54 | false, false, false); // No accelerator, brake, or steering |
| 55 | |
| 56 | void setup() { |
| 57 | pinMode(CLOCK, OUTPUT); |
| 58 | pinMode(LATCH, OUTPUT); |
| 59 | pinMode(P1_DATA, INPUT); |
| 60 | pinMode(P2_DATA, INPUT); |
| 61 | |
| 62 | for (int i=0; i<10; i++) { |
| 63 | P1[i] = false; |
| 64 | P2[i] = false; |
| 65 | } |
| 66 | |
| 67 | digitalWrite(CLOCK, HIGH); |
| 68 | digitalWrite(LATCH, LOW); |
| 69 | digitalWrite(P1_DATA, HIGH); |
| 70 | digitalWrite(P2_DATA, HIGH); |
| 71 | |
| 72 | state = STATE_LATCH; |
| 73 | curPin = 0; |
| 74 | |
| 75 | Joy1.setXAxisRange(-1, 1); |
| 76 | Joy1.setYAxisRange(-1, 1); |
| 77 | Joy2.setXAxisRange(-1, 1); |
| 78 | Joy2.setYAxisRange(-1, 1); |
| 79 | |
| 80 | |
| 81 | Joy1.begin(false); |
| 82 | Joy2.begin(false); |
| 83 | } |
| 84 | |
| 85 | void updateJoys() { |
| 86 | Joy1.setYAxis(0); |
| 87 | Joy2.setYAxis(0); |
| 88 | Joy1.setXAxis(0); |
| 89 | Joy2.setXAxis(0); |
| 90 | |
| 91 | for (int i=0; i<12; i++) { |
| 92 | switch (i) { |
| 93 | case BUTTON_A: |
| 94 | Joy1.setButton(0, P1[i]); |
| 95 | Joy2.setButton(0, P2[i]); |
| 96 | break; |
| 97 | case BUTTON_B: |
| 98 | Joy1.setButton(1, P1[i]); |
| 99 | Joy2.setButton(1, P2[i]); |
| 100 | break; |
| 101 | case BUTTON_X: |
| 102 | Joy1.setButton(2, P1[i]); |
| 103 | Joy2.setButton(2, P2[i]); |
| 104 | break; |
| 105 | case BUTTON_Y: |
| 106 | Joy1.setButton(3, P1[i]); |
| 107 | Joy2.setButton(3, P2[i]); |
| 108 | break; |
| 109 | case BUTTON_START: |
| 110 | Joy1.setButton(4, P1[i]); |
| 111 | Joy2.setButton(4, P2[i]); |
| 112 | break; |
| 113 | case BUTTON_SELECT: |
| 114 | Joy1.setButton(5, P1[i]); |
| 115 | Joy2.setButton(5, P2[i]); |
| 116 | break; |
| 117 | case BUTTON_L: |
| 118 | Joy1.setButton(6, P1[i]); |
| 119 | Joy2.setButton(6, P2[i]); |
| 120 | break; |
| 121 | case BUTTON_R: |
| 122 | Joy1.setButton(7, P1[i]); |
| 123 | Joy2.setButton(7, P2[i]); |
| 124 | break; |
| 125 | case BUTTON_UP: |
| 126 | if (P1[i]) { |
| 127 | Joy1.setYAxis(-1); |
| 128 | } |
| 129 | if (P2[i]) { |
| 130 | Joy2.setYAxis(-1); |
| 131 | } |
| 132 | break; |
| 133 | case BUTTON_DOWN: |
| 134 | if (P1[i]) { |
| 135 | Joy1.setYAxis(1); |
| 136 | } |
| 137 | if (P2[i]) { |
| 138 | Joy2.setYAxis(1); |
| 139 | } |
| 140 | break; |
| 141 | case BUTTON_LEFT: |
| 142 | if (P1[i]) { |
| 143 | Joy1.setXAxis(-1); |
| 144 | } |
| 145 | if (P2[i]) { |
| 146 | Joy2.setXAxis(-1); |
| 147 | } |
| 148 | break; |
| 149 | case BUTTON_RIGHT: |
| 150 | if (P1[i]) { |
| 151 | Joy1.setXAxis(1); |
| 152 | } |
| 153 | if (P2[i]) { |
| 154 | Joy2.setXAxis(1); |
| 155 | } |
| 156 | break; |
| 157 | } |
| 158 | } |
| 159 | Joy1.sendState(); |
| 160 | Joy2.sendState(); |
| 161 | } |
| 162 | |
| 163 | void loop() { |
| 164 | switch(state) { |
| 165 | case STATE_LATCH: |
| 166 | digitalWrite(LATCH, HIGH); |
| 167 | t0 = micros(); |
| 168 | state = STATE_WAIT_LATCH; |
| 169 | break; |
| 170 | case STATE_WAIT_LATCH: |
| 171 | if (micros() - t0 >= LATCH_TIME) { |
| 172 | digitalWrite(LATCH, LOW); |
| 173 | t0 = micros(); |
| 174 | state = STATE_WAIT_MEASURE; |
| 175 | } |
| 176 | break; |
| 177 | case STATE_WAIT_MEASURE: |
| 178 | if(micros() - t0 >= MEASURE_DELAY) { |
| 179 | t0 = micros(); |
| 180 | state = STATE_MEASURE_FALL; |
| 181 | digitalWrite(CLOCK, LOW); |
| 182 | } |
| 183 | break; |
| 184 | case STATE_MEASURE_RISE: |
| 185 | if (micros() - t0 >= MEASURE_DELAY) { |
| 186 | if (curPin == 16) { |
| 187 | state = STATE_LATCH; |
| 188 | curPin = 0; |
| 189 | updateJoys(); |
| 190 | } else { |
| 191 | digitalWrite(CLOCK, LOW); |
| 192 | t0 = micros(); |
| 193 | state = STATE_MEASURE_FALL; |
| 194 | } |
| 195 | } |
| 196 | break; |
| 197 | case STATE_MEASURE_FALL: |
| 198 | if (micros() - t0 >= MEASURE_DELAY) { |
| 199 | P1[curPin] = !digitalRead(P1_DATA); |
| 200 | P2[curPin] = !digitalRead(P2_DATA); |
| 201 | curPin++; |
| 202 | digitalWrite(CLOCK, HIGH); |
| 203 | t0 = micros(); |
| 204 | state = STATE_MEASURE_RISE; |
| 205 | } |
| 206 | break; |
| 207 | } |
| 208 | } |