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arduino
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Optimizado pelo phantoxe e theorem

This commit is contained in:
Pedro de Oliveira 2014-09-14 22:56:57 +01:00
parent e8bd762fe8
commit 5b90df5b7d
1 changed files with 17 additions and 111 deletions
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128
snes_controller/snes_controller.ino
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@ -40,11 +40,7 @@ void setup() {
digitalWrite(latch,HIGH); digitalWrite(latch,HIGH);
digitalWrite(clock,HIGH); digitalWrite(clock,HIGH);
// Set joystick initial state
joySt.xAxis = 127;
joySt.yAxis = 127;
joySt.zAxis = 127; joySt.zAxis = 127;
joySt.buttons = 0;
} }
/* THIS READS DATA FROM THE CONTROLLER */ /* THIS READS DATA FROM THE CONTROLLER */
@ -73,7 +69,6 @@ word controllerRead() {
} }
void loop() { void loop() {
/* /*
Clock Cycle Button Reported Clock Cycle Button Reported
=========== =============== =========== ===============
@ -97,125 +92,36 @@ void loop() {
word controller_data = controllerRead(); word controller_data = controllerRead();
// B - BIT 16 joySt.buttons = 0;
if (!btn_b && bitRead(controller_data, 15) == 0) {
btn_b = true;
joySt.buttons = joySt.buttons | 1;
}
if (btn_b && bitRead(controller_data, 15) == 1) {
joySt.buttons = joySt.buttons & 254;
btn_b = false;
}
// Y - BIT 15 joySt.buttons |= (!bitRead(controller_data, 15) << 0);
if (!btn_y && bitRead(controller_data, 14) == 0) { joySt.buttons |= (!bitRead(controller_data, 14) << 1);
btn_y = true; joySt.buttons |= (!bitRead(controller_data, 7) << 2);
joySt.buttons = joySt.buttons | 2; joySt.buttons |= (!bitRead(controller_data, 6) << 3);
} joySt.buttons |= (!bitRead(controller_data, 5) << 4);
if (btn_y && bitRead(controller_data, 14) == 1) { joySt.buttons |= (!bitRead(controller_data, 4) << 5);
btn_y = false; joySt.buttons |= (!bitRead(controller_data, 13) << 6);
joySt.buttons = joySt.buttons & 253; joySt.buttons |= (!bitRead(controller_data, 12) << 7);
}
// SELECT - BIT 14
if (!btn_select && bitRead(controller_data, 13) == 0) {
btn_select = true;
joySt.buttons = joySt.buttons | 64;
}
if (btn_select && bitRead(controller_data, 13) == 1) {
btn_select = false;
joySt.buttons = joySt.buttons & 191;
}
// START - BIT 13
if (!btn_start && bitRead(controller_data, 12) == 0) {
btn_start = true;
joySt.buttons = joySt.buttons | 128;
}
if (btn_start && bitRead(controller_data, 12) == 1) {
btn_start = false;
joySt.buttons = joySt.buttons & 127;
}
joySt.xAxis = 127;
joySt.yAxis = 127;
// UP - BIT 12 // UP - BIT 12
if (!btn_up && bitRead(controller_data, 11) == 0) { if (!bitRead(controller_data, 11))
btn_up = true;
joySt.yAxis = 0; joySt.yAxis = 0;
}
if (btn_up && bitRead(controller_data, 11) == 1) {
btn_up = false;
joySt.yAxis = 127;
}
// DOWN - BIT 11 // DOWN - BIT 11
if (!btn_down && bitRead(controller_data, 10) == 0) { if (!bitRead(controller_data, 10))
btn_down = true;
joySt.yAxis = 255; joySt.yAxis = 255;
}
if (btn_down && bitRead(controller_data, 10) == 1) {
btn_down = false;
joySt.yAxis = 127;
}
// LEFT - BIT 10 // LEFT - BIT 10
if (!btn_left && bitRead(controller_data, 9) == 0) { if (!bitRead(controller_data, 9))
btn_left = true;
joySt.xAxis = 0; joySt.xAxis = 0;
}
if (btn_left && bitRead(controller_data, 9) == 1) {
btn_left = false;
joySt.xAxis = 127;
}
// RIGHT - BIT 9 // RIGHT - BIT 9
if (!btn_right && bitRead(controller_data, 8) == 0) { if (!bitRead(controller_data, 8))
btn_right = true;
joySt.xAxis = 255; joySt.xAxis = 255;
}
if (btn_right && bitRead(controller_data, 8) == 1) {
btn_right = false;
joySt.xAxis = 127;
}
// A - BIT 8
if (!btn_a && bitRead(controller_data, 7) == 0) {
btn_a = true;
joySt.buttons = joySt.buttons | 4;
}
if (btn_a && bitRead(controller_data, 7) == 1) {
btn_a = false;
joySt.buttons = joySt.buttons & 251;
}
// X - BIT 7
if (!btn_x && bitRead(controller_data, 6) == 0) {
btn_x = true;
joySt.buttons = joySt.buttons | 8;
}
if (btn_x && bitRead(controller_data, 6) == 1) {
btn_x = false;
joySt.buttons = joySt.buttons & 247;
}
// L - BIT 6
if (!btn_l && bitRead(controller_data, 5) == 0) {
btn_l = true;
joySt.buttons = joySt.buttons | 16;
}
if (btn_l && bitRead(controller_data, 5) == 1) {
btn_l = false;
joySt.buttons = joySt.buttons & 239;
}
// R - BIT 5
if (!btn_r && bitRead(controller_data, 4) == 0) {
btn_r = true;
joySt.buttons = joySt.buttons | 32;
}
if (btn_r && bitRead(controller_data, 4) == 1) {
btn_r = false;
joySt.buttons = joySt.buttons & 223;
}
Joystick.setState(&joySt); Joystick.setState(&joySt);
} }