1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
/*
* SPDX-FileCopyrightText: Copyright (c) 2019 Ha Thach (tinyusb.org)
* SPDX-License-Identifier: MIT
*
* This file is part of the TinyUSB stack.
*/
#ifndef TUSB_USBD_PVT_H_
#define TUSB_USBD_PVT_H_
#include "osal/osal.h"
#include "common/tusb_fifo.h"
#include "common/tusb_private.h"
#ifdef __cplusplus
extern "C" {
#endif
#define TU_LOG_USBD(...) TU_LOG(CFG_TUD_LOG_LEVEL, __VA_ARGS__)
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF PROTYPES
//--------------------------------------------------------------------+
typedef enum {
SOF_CONSUMER_USER = 0,
SOF_CONSUMER_AUDIO,
} sof_consumer_t;
//--------------------------------------------------------------------+
// Class Driver API
//--------------------------------------------------------------------+
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 * desc_intf, uint16_t max_len);
bool (* control_xfer_cb ) (uint8_t rhport, uint8_t stage, tusb_control_request_t const * request);
bool (* xfer_cb ) (uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes);
bool (* xfer_isr ) (uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes); // optional, return false to defer to xfer_cb()
void (* sof ) (uint8_t rhport, uint32_t frame_count); // optional
} usbd_class_driver_t;
// Invoked when initializing device stack to get additional class drivers.
// Can be implemented by application to extend/overwrite class driver support.
// Note: The drivers array must be accessible at all time when stack is active
usbd_class_driver_t const* usbd_app_driver_get_cb(uint8_t* driver_count);
typedef bool (*usbd_control_xfer_cb_t)(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request);
void usbd_int_set(bool enabled);
void usbd_spin_lock(bool in_isr);
void usbd_spin_unlock(bool in_isr);
uint8_t* usbd_get_ctrl_buf(void);
//--------------------------------------------------------------------+
// USBD Endpoint API
// Note: rhport should be 0 since device stack only support 1 rhport for now
//--------------------------------------------------------------------+
// Open an endpoint
bool usbd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * desc_ep);
// Close an endpoint
void usbd_edpt_close(uint8_t rhport, uint8_t ep_addr);
// Submit a usb transfer
bool usbd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes, bool is_isr);
// Submit a usb ISO transfer by use of a FIFO (ring buffer) - all bytes in FIFO get transmitted
bool usbd_edpt_xfer_fifo(uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16_t total_bytes, bool is_isr);
// Claim an endpoint before submitting a transfer.
// If caller does not make any transfer, it must release endpoint for others.
bool usbd_edpt_claim(uint8_t rhport, uint8_t ep_addr);
// Release claimed endpoint without submitting a transfer
bool usbd_edpt_release(uint8_t rhport, uint8_t ep_addr);
// Check if endpoint is busy transferring
bool usbd_edpt_busy(uint8_t rhport, uint8_t ep_addr);
// Stall endpoint
void usbd_edpt_stall(uint8_t rhport, uint8_t ep_addr);
// Clear stalled endpoint
void usbd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr);
// Check if endpoint is stalled
bool usbd_edpt_stalled(uint8_t rhport, uint8_t ep_addr);
// Allocate packet buffer used by ISO endpoints
bool usbd_edpt_iso_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t largest_packet_size);
// Configure and enable an ISO endpoint according to descriptor
bool usbd_edpt_iso_activate(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc);
// Check if endpoint is ready (not busy and not stalled)
TU_ATTR_ALWAYS_INLINE static inline
bool usbd_edpt_ready(uint8_t rhport, uint8_t ep_addr) {
const bool is_busy = usbd_edpt_busy(rhport, ep_addr);
const bool is_stalled = usbd_edpt_stalled(rhport, ep_addr);
return !is_busy && !is_stalled;
}
// Enable SOF interrupt
void usbd_sof_enable(uint8_t rhport, sof_consumer_t consumer, bool en);
bool usbd_open_edpt_pair(uint8_t rhport, uint8_t const* p_desc, uint8_t ep_count, uint8_t xfer_type, uint8_t* ep_out, uint8_t* ep_in);
void usbd_defer_func(osal_task_func_t func, void *param, bool in_isr);
#ifdef __cplusplus
}
#endif
#endif
|
