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Isolate Switch Pro state by HID instance

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This commit is contained in:
Joey Yakimowich-Payne 2026-08-30 20:35:23 -06:00
commit 7941294a8d
9 changed files with 1215 additions and 492 deletions
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31
switch_pro_driver.h
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@ -11,6 +11,10 @@
#include "switch_haptics.h"
#include "switch_pro_descriptors.h"
#ifndef SWITCH_PICO_HID_INSTANCE_COUNT
#define SWITCH_PICO_HID_INSTANCE_COUNT 1
#endif
typedef struct {
int16_t accel_x;
int16_t accel_y;
@ -50,23 +54,26 @@ typedef struct {
SwitchImuSample imu_samples[3];
} SwitchInputState;
// Initialize USB state and calibration before entering the main loop.
void switch_pro_init();
// Initialize one HID instance before entering the main loop.
void switch_pro_init(uint8_t instance);
// Update the desired controller state for the next USB report.
void switch_pro_set_input(const SwitchInputState& state);
// Update the desired controller state for one HID instance.
void switch_pro_set_input(uint8_t instance, const SwitchInputState& state);
// Drive the Switch Pro USB state machine; returns true only when a regular
// Drive one Switch Pro USB state machine; returns true only when a regular
// 0x30 input report was successfully queued.
bool switch_pro_task();
bool switch_pro_task(uint8_t instance);
// Convert a packed UART message into controller state (returns true if parsed).
// If out_state is null the parsed state is written directly to the driver.
bool switch_pro_apply_uart_packet(const uint8_t* packet, uint8_t length, SwitchInputState* out_state = nullptr);
bool switch_pro_apply_uart_packet(const uint8_t* packet, uint8_t length,
SwitchInputState& out_state);
// Driver state helpers
bool switch_pro_is_ready();
bool switch_pro_is_ready(uint8_t instance);
// Optional callback fired with decoded rumble intensities from the host.
typedef void (*SwitchRumbleCallback)(const SwitchRumbleOutput& rumble);
void switch_pro_set_rumble_callback(SwitchRumbleCallback cb);
// Optional callback fired with decoded rumble intensities from one host
// interface.
typedef void (*SwitchRumbleCallback)(uint8_t instance,
const SwitchRumbleOutput& rumble);
void switch_pro_set_rumble_callback(uint8_t instance,
SwitchRumbleCallback callback);