portersky
882b0be827
Convert the remaining west-const declarations in xone_api.h to east const so the whole file matches the controller functions added later. Update the AGENTS.md C bridge section: east const applies to the C header too; only trailing returns are exempt. Co-Authored-By: qwen3.8-27b@q3_k_xl: converted C API header to east const
103 lines
3.8 KiB
C
103 lines
3.8 KiB
C
#pragma once
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// ==============================================================================
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// C ABI bridge between the C++ protocol stack and the Swift app layer
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// ==============================================================================
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// This header is imported into Swift via -import-objc-header, so it must stay
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// pure C (no C++ types). The C++ modules implement these entry points.
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// ==============================================================================
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#include <stdbool.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Human-readable version string of the protocol stack.
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char const *xone_version(void);
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// TRUE if an Xbox Wireless Dongle is connected, FALSE otherwise.
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bool xone_dongle_present(void);
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// Opaque handle to an open dongle session. Create with xone_open(); only one
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// session may be open at a time. The getters are safe to call from any thread.
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typedef struct xone_dongle xone_dongle;
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// Session states reported by xone_state().
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enum {
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XONE_STATE_IDLE = 0, // Probed; no firmware loaded yet
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XONE_STATE_STARTING, // Firmware load + radio init in progress
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XONE_STATE_READY, // Radio initialized
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XONE_STATE_ERROR // Last operation failed (see xone_error)
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};
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// Open a dongle session: probe and USB reset. Fast; returns NULL if no dongle
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// is present or opening fails. The EFUSE getters (xone_pid/xone_chip_id/
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// xone_mac_address) are valid immediately after this.
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xone_dongle *xone_open(void);
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// Kick off firmware load + radio init on a background thread. Non-blocking:
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// returns 0 once started, -1 if the session is busy or already ready. If
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// firmware_path is NULL, the common upstream image
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// (firmware/xow_dongle.bin) is used.
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int xone_start(xone_dongle *d, char const *firmware_path);
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// Close the session and release the dongle. Waits for any in-progress start.
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void xone_close(xone_dongle *d);
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// Current session state (XONE_STATE_*).
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int xone_state(xone_dongle const *d);
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// Human-readable error from the last failed operation. Empty string if none.
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char const *xone_error(xone_dongle const *d);
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// Product ID of the connected dongle (e.g. 0x02E6).
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uint16_t xone_pid(xone_dongle const *d);
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// Chip ID from EFUSE (e.g. 0x7612 for MT7612). 0 if unknown.
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uint16_t xone_chip_id(xone_dongle const *d);
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// MAC address from EFUSE as "xx:xx:xx:xx:xx:xx". Valid until xone_close().
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char const *xone_mac_address(xone_dongle const *d);
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// Build string of the loaded firmware image (e.g. "201703281033____").
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// Empty string if the firmware was not loaded. Valid until xone_close().
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char const *xone_firmware_build(xone_dongle const *d);
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// Number of connected controllers.
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int xone_controller_count(xone_dongle const *d);
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// Copy the controller at index into buf as "xx:xx:xx:xx:xx:xx". Returns 0 on
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// success, -1 if index is out of range.
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int xone_controller_mac(xone_dongle const *d, int index, char *buf, int len);
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// Snapshot of the latest standard Xbox controller input report. Stick values
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// are signed 16-bit values; trigger values are unsigned 10-bit values. The
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// buttons field uses the standard GIP gamepad bit assignments.
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struct xone_controller_state {
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uint16_t buttons;
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bool guide_down;
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bool gip_ready;
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bool input_active;
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uint16_t trigger_left;
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uint16_t trigger_right;
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int16_t stick_left_x;
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int16_t stick_left_y;
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int16_t stick_right_x;
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int16_t stick_right_y;
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uint32_t sequence;
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};
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// Copy the latest input state for the controller at index. Returns 0 on
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// success, -1 if index is out of range or state is NULL.
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int xone_controller_get_state(xone_dongle const *d, int index,
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struct xone_controller_state *state);
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// Enter or leave pairing mode (beacon pairing flag + LED blink).
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void xone_set_pairing(xone_dongle *d, bool enable);
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#ifdef __cplusplus
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}
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#endif
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