Introduce static USB output driver boundary

tests/native_stubs/device/usbd_pvt.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#include "tusb.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+    char const* name;
+    void (*init)(void);
+    bool (*deinit)(void);
+    void (*reset)(uint8_t rhport);
+    uint16_t (*open)(uint8_t rhport,
+                     tusb_desc_interface_t const* interface_descriptor,
+                     uint16_t max_length);
+    bool (*control_xfer_cb)(uint8_t rhport, uint8_t stage,
+                            tusb_control_request_t const* request);
+    bool (*xfer_cb)(uint8_t rhport, uint8_t endpoint,
+                    xfer_result_t result, uint32_t transferred);
+    void (*sof)(uint8_t rhport, uint32_t frame_count);
+} usbd_class_driver_t;
+
+usbd_class_driver_t const* usbd_app_driver_get_cb(uint8_t* driver_count);
+
+bool usbd_edpt_open(uint8_t rhport,
+                    tusb_desc_endpoint_t const* endpoint_descriptor);
+bool usbd_edpt_xfer(uint8_t rhport, uint8_t endpoint, uint8_t* buffer,
+                    uint16_t total_bytes);
+bool usbd_edpt_busy(uint8_t rhport, uint8_t endpoint);
+bool usbd_edpt_claim(uint8_t rhport, uint8_t endpoint);
+bool usbd_edpt_release(uint8_t rhport, uint8_t endpoint);
+
+#ifdef __cplusplus
+}
+#endif

tests/native_stubs/tusb.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <stdbool.h>
+#include <stddef.h>
 #include <stdint.h>
 
 #ifdef __cplusplus
@@ -14,6 +15,54 @@ typedef enum {
     HID_REPORT_TYPE_FEATURE = 3,
 } hid_report_type_t;
 
+typedef enum {
+    XFER_RESULT_SUCCESS = 0,
+    XFER_RESULT_FAILED,
+} xfer_result_t;
+
+enum {
+    TUSB_DIR_OUT = 0,
+    TUSB_DIR_IN = 1,
+    TUSB_DESC_ENDPOINT = 5,
+    TUSB_DESC_STRING = 3,
+};
+
+#pragma pack(push, 1)
+typedef struct {
+    uint8_t bLength;
+    uint8_t bDescriptorType;
+    uint8_t bInterfaceNumber;
+    uint8_t bAlternateSetting;
+    uint8_t bNumEndpoints;
+    uint8_t bInterfaceClass;
+    uint8_t bInterfaceSubClass;
+    uint8_t bInterfaceProtocol;
+    uint8_t iInterface;
+} tusb_desc_interface_t;
+
+typedef struct {
+    uint8_t bLength;
+    uint8_t bDescriptorType;
+    uint8_t bEndpointAddress;
+    uint8_t bmAttributes;
+    uint16_t wMaxPacketSize;
+    uint8_t bInterval;
+} tusb_desc_endpoint_t;
+#pragma pack(pop)
+
+static inline uint8_t const* tu_desc_next(void const* descriptor) {
+    uint8_t const* bytes = (uint8_t const*)descriptor;
+    return bytes + bytes[0];
+}
+
+static inline uint8_t tu_desc_type(void const* descriptor) {
+    return ((uint8_t const*)descriptor)[1];
+}
+
+static inline uint8_t tu_edpt_dir(uint8_t endpoint) {
+    return (endpoint & 0x80u) != 0 ? TUSB_DIR_IN : TUSB_DIR_OUT;
+}
+
 typedef struct {
     uint8_t bmRequestType;
     uint8_t bRequest;
@@ -27,6 +76,7 @@ bool tud_hid_n_report(uint8_t instance, uint8_t report_id,
                       const void* report, uint16_t length);
 bool tud_suspended(void);
 bool tud_remote_wakeup(void);
+bool tud_ready(void);
 
 uint16_t tud_hid_get_report_cb(uint8_t instance, uint8_t report_id,
                                hid_report_type_t report_type, uint8_t* buffer,
@@ -39,6 +89,14 @@ void tud_hid_report_received_cb(uint8_t instance, uint8_t report_id,
 uint8_t const* tud_hid_descriptor_report_cb(uint8_t instance);
 void tud_mount_cb(void);
 void tud_umount_cb(void);
+uint8_t const* tud_descriptor_device_cb(void);
+uint8_t const* tud_descriptor_configuration_cb(uint8_t index);
+uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid);
+bool tud_vendor_control_xfer_cb(
+    uint8_t rhport, uint8_t stage,
+    tusb_control_request_t const* request);
+bool tud_control_request_cb(uint8_t rhport,
+                            tusb_control_request_t const* request);
 
 #ifdef __cplusplus
 }