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runtime/input_ds3_win.c finds a DualShock 3 through hid.dll and setupapi (loaded at run time), sends it the command that makes it report, sets its first player light and decodes its reports (runtime/input_ds3.c, tested by tests/ds3_check) into the pad state, with rumble through its light motor. input.c follows whichever pad was pressed last when an SDL pad is connected too. ds3 = 1 in nx2navi.ini turns it on: it starts a scan for the controller every three seconds and opens it read-write, so it stays off unless a player asks for it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
30 lines
1.9 KiB
C
30 lines
1.9 KiB
C
// The DualShock 3 reader of the Windows build (input_ds3_win.c): the controller's own HID reports, read directly, for
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// when no driver presents it to SDL or XInput as a gamepad. Windows only; input.c calls it from its gamepad poll.
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// NX2NAVI_DS3=0 (`ds3 = 0` in nx2navi.ini) turns it off. Controls: docs/controls.md.
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#pragma once
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#include <stdint.h>
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#include "input_map.h"
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// One poll, under input.c's lock: 1 while a DualShock 3 is connected and reporting, with its inputs by position in
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// pd[PAD_*] (every entry written; PAD_ZL and PAD_ZR from the trigger pressure) and its sticks in raw[] as lx, ly, rx, ry
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// in -32767..32767, up is +y, before any dead zone. 0 (pd and raw untouched) without one. Also finds a controller that
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// is plugged in or switched on later, and lets go of one that went away.
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int ds3_read(uint8_t pd[PAD_COUNT], int32_t raw[4]);
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// Rumble for the connected controller, under input.c's lock: low (0..65535) drives the heavy (left) motor, high the
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// light (right) motor, which the controller can only switch on or off (on from 1/16 of full strength). Lasts ms
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// milliseconds; 0 stops it. 1 when a controller took it.
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int ds3_rumble(uint16_t low, uint16_t high, uint32_t ms);
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// ---- the report formats (input_ds3.c, any OS)
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enum { DS3_TRIGGER_ON = 128 }; // L2/R2 pressure, 0..255, that counts as pressed
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// Input report 0x01 (n bytes, the report id first) to inputs by position in pd[PAD_*] (every entry written) and the
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// sticks in raw[] as lx, ly, rx, ry (-32767..32767, up is +y, rest 0). 0, with pd and raw untouched, for another report.
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int ds3_decode(const uint8_t *r, unsigned n, uint8_t pd[PAD_COUNT], int32_t raw[4]);
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// Output report 0x01 into o (n bytes, 36 or more; zeroed first): the heavy motor at left (0..255), the light motor on
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// when right is nonzero, both for dur steps of 10 ms (0 stops them), and player light led (1..4, 0 none).
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void ds3_output_report(uint8_t *o, unsigned n, int left, int right, unsigned dur, int led);
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