Add dual-controller AIO USB transport

tests/bluepad32_native_stubs/btstack_run_loop.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <stdint.h>
+
+struct btstack_timer_source_t {
+    void (*handler)(btstack_timer_source_t*);
+    uint32_t timeout_ms;
+};
+
+inline void btstack_run_loop_set_timer_handler(
+    btstack_timer_source_t* timer,
+    void (*handler)(btstack_timer_source_t*)) {
+    timer->handler = handler;
+}
+
+inline void btstack_run_loop_set_timer(btstack_timer_source_t* timer,
+                                       uint32_t timeout_ms) {
+    timer->timeout_ms = timeout_ms;
+}
+
+inline void btstack_run_loop_add_timer(btstack_timer_source_t*) {}
+inline void btstack_run_loop_execute() {}

tests/bluepad32_native_stubs/pico/critical_section.h

@@ -0,0 +1,7 @@
+#pragma once
+
+struct critical_section_t {};
+
+inline void critical_section_init(critical_section_t*) {}
+inline void critical_section_enter_blocking(critical_section_t*) {}
+inline void critical_section_exit(critical_section_t*) {}

tests/bluepad32_native_stubs/pico/cyw43_arch.h

@@ -0,0 +1,6 @@
+#pragma once
+
+#define CYW43_WL_GPIO_LED_PIN 0
+
+int cyw43_arch_init();
+void cyw43_arch_gpio_put(int pin, bool value);

tests/bluepad32_native_stubs/pico/multicore.h

@@ -0,0 +1,3 @@
+#pragma once
+
+void multicore_launch_core1(void (*entry)());

tests/bluepad32_native_stubs/pico/stdlib.h

@@ -0,0 +1,3 @@
+#pragma once
+
+inline void tight_loop_contents() {}

tests/bluepad32_native_stubs/uni.h

@@ -0,0 +1,98 @@
+#pragma once
+
+#include <stdint.h>
+
+typedef uint8_t bd_addr_t[6];
+typedef int uni_property_idx_t;
+typedef int uni_platform_oob_event_t;
+struct uni_property_t {};
+
+enum uni_error_t {
+    UNI_ERROR_SUCCESS = 0,
+    UNI_ERROR_IGNORE_DEVICE = 1,
+    UNI_ERROR_INVALID_CONTROLLER = 2,
+    UNI_ERROR_NO_SLOTS = 3,
+};
+
+enum {
+    UNI_CONTROLLER_CLASS_GAMEPAD = 1,
+    DPAD_UP = 1 << 0,
+    DPAD_DOWN = 1 << 1,
+    DPAD_LEFT = 1 << 2,
+    DPAD_RIGHT = 1 << 3,
+    BUTTON_A = 1 << 0,
+    BUTTON_B = 1 << 1,
+    BUTTON_X = 1 << 2,
+    BUTTON_Y = 1 << 3,
+    BUTTON_SHOULDER_L = 1 << 4,
+    BUTTON_SHOULDER_R = 1 << 5,
+    BUTTON_TRIGGER_L = 1 << 6,
+    BUTTON_TRIGGER_R = 1 << 7,
+    BUTTON_THUMB_L = 1 << 8,
+    BUTTON_THUMB_R = 1 << 9,
+    MISC_BUTTON_SELECT = 1 << 0,
+    MISC_BUTTON_START = 1 << 1,
+    MISC_BUTTON_SYSTEM = 1 << 2,
+    MISC_BUTTON_CAPTURE = 1 << 3,
+};
+
+struct uni_gamepad_t {
+    uint32_t dpad;
+    uint32_t buttons;
+    uint32_t misc_buttons;
+    int32_t axis_x;
+    int32_t axis_y;
+    int32_t axis_rx;
+    int32_t axis_ry;
+    int32_t brake;
+    int32_t throttle;
+    int32_t accel[3];
+    int32_t gyro[3];
+};
+
+struct uni_controller_t {
+    int klass;
+    uni_gamepad_t gamepad;
+};
+
+struct uni_hid_device_t;
+typedef void (*uni_play_dual_rumble_t)(uni_hid_device_t*, uint16_t,
+                                        uint16_t, uint8_t, uint8_t);
+
+struct uni_report_parser_t {
+    uni_play_dual_rumble_t play_dual_rumble;
+};
+
+struct uni_hid_device_t {
+    int idx;
+    bool gamepad;
+    uni_report_parser_t report_parser;
+    int rumble_calls;
+    uint8_t last_high;
+    uint8_t last_low;
+};
+
+struct uni_platform {
+    const char* name;
+    void (*init)(int, const char**);
+    void (*on_init_complete)();
+    uni_error_t (*on_device_discovered)(bd_addr_t, const char*, uint16_t,
+                                        uint8_t);
+    void (*on_device_connected)(uni_hid_device_t*);
+    void (*on_device_disconnected)(uni_hid_device_t*);
+    uni_error_t (*on_device_ready)(uni_hid_device_t*);
+    void* on_device_oob_event;
+    void (*on_controller_data)(uni_hid_device_t*, uni_controller_t*);
+    const uni_property_t* (*get_property)(uni_property_idx_t);
+    void (*on_oob_event)(uni_platform_oob_event_t, void*);
+    void* on_device_dump;
+    void* on_gamepad_seat;
+};
+
+bool uni_hid_device_is_gamepad(const uni_hid_device_t* device);
+int uni_hid_device_get_idx_for_instance(const uni_hid_device_t* device);
+void uni_bt_allow_incoming_connections(bool enabled);
+void uni_bt_start_scanning_and_autoconnect_unsafe();
+void uni_bt_stop_scanning_unsafe();
+void uni_platform_set_custom(uni_platform* platform);
+int uni_init(int argc, const char** argv);