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Add stock-USB native Joy-Con R/L hub bridge

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This commit is contained in:
Joey Yakimowich-Payne 2026-09-12 15:28:58 -06:00
commit 1748910316
41 changed files with 7101 additions and 909 deletions
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19
tools/switch2_usb_probe/protocol.h
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@ -2,6 +2,7 @@
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "model.h"
#define PROBE_COMMAND_MAX_SIZE 263u
#define PROBE_REPLY_MAX_SIZE 96u
@ -10,13 +11,15 @@
#define PROBE_INPUT_SIZE 63u
typedef struct {
bool is_left;
void* context; // Caller-owned context shared by this state's callbacks.
bool initialized;
uint8_t report_id;
bool test_rail_buttons;
bool runtime03_0c; // Observed USB toggle; full semantics remain unknown.
uint8_t right_stick_center[3];
uint8_t stick_center[3];
bool controller_active;
uint8_t controller_buttons[2]; // Native right Joy-Con button ordering.
uint8_t controller_buttons[2]; // Selected model's native Joy-Con button ordering.
uint8_t controller_stick[3]; // Raw packed 12-bit axes from the selected donor.
uint8_t player_leds; // Virtual four-LED mask, exposed through UART diagnostics.
bool player_leds_flashing;
@ -39,15 +42,15 @@ typedef struct {
uint8_t committed_host_addresses[PROBE_HOST_MAX_ADDRESSES][6];
uint8_t committed_key[16]; // Standard AES byte order.
// Synchronous durable save; NULL disables successful finalization.
bool (*save_pairing)(const uint8_t* blob, size_t length);
bool (*read_memory)(uint32_t address, uint8_t* output, size_t length);
bool (*save_pairing)(void* context, const uint8_t* blob, size_t length);
bool (*read_memory)(void* context, uint32_t address, uint8_t* output, size_t length);
// Queue a physical sample, returning true only with a nonzero completion token.
// Acceptance is not a Bluetooth application ACK.
bool (*play_sample)(uint8_t sample_id, uint64_t* token);
bool (*play_sample)(void* context, uint8_t sample_id, uint64_t* token);
uint32_t report_counter;
} probe_protocol_state;
void probe_protocol_reset(probe_protocol_state* state);
void probe_protocol_reset(probe_protocol_state* state, bool is_left);
// Blob: own address[6], count[1], zero-padded host addresses[42][6], AES key[16].
// Rejects other identities, invalid counts/padding/lengths without mutation.
// A successful restore replaces the committed record and clears pending state.
@ -66,3 +69,7 @@ size_t probe_protocol_command(probe_protocol_state* state, const uint8_t* comman
// Button/stick snapshot without relative mouse events; safe for GET_REPORT.
size_t probe_protocol_report(const probe_protocol_state* state, uint8_t report_id,
uint8_t* output, size_t capacity);
// Apply virtual feature gates to one complete native payload in place.
// Enabled mouse/motion and all opaque bytes remain unchanged.
void probe_protocol_gate_native_report(const probe_protocol_state* state,
uint8_t input[PROBE_INPUT_SIZE]);