| 1 | /* |
| 2 | input.c: presses and auto-repeat on top of the backend's held buttons. |
| 3 | */ |
| 4 | #include "plat.h" |
| 5 | #include "input.h" |
| 6 |
|
| 7 | #define REPEAT_MASK (BTN_UP | BTN_DOWN | BTN_LEFT | BTN_RIGHT) // not L1/R1: held, they would skip track after track |
| 8 | #define REPEAT_DELAY_US 380000 |
| 9 | #define REPEAT_RATE_US 70000 |
| 10 |
|
| 11 | static uint32_t held, pressed, fresh; |
| 12 | static uint64_t since[16], last_rep[16]; |
| 13 |
|
| 14 | void input_update(void) |
| 15 | { |
| 16 | uint32_t now = plat_input_held(); |
| 17 | // a console that confirms with O: the app's "X" is that button, its "O" the other |
| 18 | if (plat_circle_confirms() && ((now & BTN_CROSS) != 0) != ((now & BTN_CIRCLE) != 0)) |
| 19 | now ^= BTN_CROSS | BTN_CIRCLE; |
| 20 | uint64_t t = plat_time_us(); |
| 21 | pressed = now & ~held; |
| 22 | fresh = pressed; |
| 23 | for (int b = 0; b < 16; b++) { |
| 24 | uint32_t bit = 1u << b; |
| 25 | if (pressed & bit) { |
| 26 | since[b] = t; |
| 27 | last_rep[b] = t; |
| 28 | } else if ((now & bit) && (bit & REPEAT_MASK)) { |
| 29 | // held longer, it speeds up: long lists don't take all day |
| 30 | uint64_t held_for = t - since[b]; |
| 31 | uint64_t rate = held_for > 2500000 ? REPEAT_RATE_US / 3 : held_for > 1200000 ? REPEAT_RATE_US / 2 : REPEAT_RATE_US; |
| 32 | if (held_for > REPEAT_DELAY_US && t - last_rep[b] > rate) { |
| 33 | pressed |= bit; |
| 34 | last_rep[b] = t; |
| 35 | } |
| 36 | } |
| 37 | } |
| 38 | held = now; |
| 39 | } |
| 40 |
|
| 41 | uint32_t input_pressed(void) { return pressed; } |
| 42 | uint32_t input_held(void) { return held; } |
| 43 | uint32_t input_fresh(void) { return fresh; } |
