1 /*
2 * Copyright (c) 2024, sakumisu
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6 #include "usbd_core.h"
7 #include "usbd_dfu.h"
8
9 #define USBD_VID 0x0483
10 #define USBD_PID 0xDF11
11 #define USBD_MAX_POWER 100
12 #define USBD_LANGID_STRING 1033
13
14 #define FLASH_DESC_STR "@Internal Flash /0x08000000/16*001Ka,112*01Kg"
15
16 #define USB_CONFIG_SIZE (9 + 9 + 9)
17
18 #ifdef CONFIG_USBDEV_ADVANCE_DESC
19 static const uint8_t device_descriptor[] = {
20 USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0200, 0x01)
21 };
22
23 static const uint8_t config_descriptor[] = {
24 USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x01, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
25 DFU_DESCRIPTOR_INIT()
26 };
27
28 static const uint8_t device_quality_descriptor[] = {
29 ///////////////////////////////////////
30 /// device qualifier descriptor
31 ///////////////////////////////////////
32 0x0a,
33 USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
34 0x00,
35 0x02,
36 0x00,
37 0x00,
38 0x00,
39 0x40,
40 0x00,
41 0x00,
42 };
43
44 static const char *string_descriptors[] = {
45 (const char[]){ 0x09, 0x04 }, /* Langid */
46 "CherryUSB", /* Manufacturer */
47 "CherryUSB DFU DEMO", /* Product */
48 "2022123456", /* Serial Number */
49 };
50
device_descriptor_callback(uint8_t speed)51 static const uint8_t *device_descriptor_callback(uint8_t speed)
52 {
53 return device_descriptor;
54 }
55
config_descriptor_callback(uint8_t speed)56 static const uint8_t *config_descriptor_callback(uint8_t speed)
57 {
58 return config_descriptor;
59 }
60
device_quality_descriptor_callback(uint8_t speed)61 static const uint8_t *device_quality_descriptor_callback(uint8_t speed)
62 {
63 return device_quality_descriptor;
64 }
65
string_descriptor_callback(uint8_t speed,uint8_t index)66 static const char *string_descriptor_callback(uint8_t speed, uint8_t index)
67 {
68 if (index > 3) {
69 return NULL;
70 }
71 return string_descriptors[index];
72 }
73
74 const struct usb_descriptor dfu_flash_descriptor = {
75 .device_descriptor_callback = device_descriptor_callback,
76 .config_descriptor_callback = config_descriptor_callback,
77 .device_quality_descriptor_callback = device_quality_descriptor_callback,
78 .string_descriptor_callback = string_descriptor_callback
79 };
80 #else
81 const uint8_t dfu_flash_descriptor[] = {
82 USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0200, 0x01),
83 USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x01, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
84 DFU_DESCRIPTOR_INIT(),
85 ///////////////////////////////////////
86 /// string0 descriptor
87 ///////////////////////////////////////
88 USB_LANGID_INIT(USBD_LANGID_STRING),
89 ///////////////////////////////////////
90 /// string1 descriptor
91 ///////////////////////////////////////
92 0x14, /* bLength */
93 USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
94 'C', 0x00, /* wcChar0 */
95 'h', 0x00, /* wcChar1 */
96 'e', 0x00, /* wcChar2 */
97 'r', 0x00, /* wcChar3 */
98 'r', 0x00, /* wcChar4 */
99 'y', 0x00, /* wcChar5 */
100 'U', 0x00, /* wcChar6 */
101 'S', 0x00, /* wcChar7 */
102 'B', 0x00, /* wcChar8 */
103 ///////////////////////////////////////
104 /// string2 descriptor
105 ///////////////////////////////////////
106 0x1e, /* bLength */
107 USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
108 'D', 0x00, /* wcChar0 */
109 'F', 0x00, /* wcChar1 */
110 'U', 0x00, /* wcChar2 */
111 'W', 0x00, /* wcChar3 */
112 'i', 0x00, /* wcChar4 */
113 't', 0x00, /* wcChar5 */
114 'h', 0x00, /* wcChar6 */
115 's', 0x00, /* wcChar7 */
116 't', 0x00, /* wcChar8 */
117 ' ', 0x00, /* wcChar9 */
118 't', 0x00, /* wcChar10 */
119 'o', 0x00, /* wcChar11 */
120 'o', 0x00, /* wcChar12 */
121 'l', 0x00, /* wcChar13 */
122 ///////////////////////////////////////
123 /// string3 descriptor
124 ///////////////////////////////////////
125 0x16, /* bLength */
126 USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
127 '2', 0x00, /* wcChar0 */
128 '0', 0x00, /* wcChar1 */
129 '2', 0x00, /* wcChar2 */
130 '2', 0x00, /* wcChar3 */
131 '1', 0x00, /* wcChar4 */
132 '2', 0x00, /* wcChar5 */
133 '3', 0x00, /* wcChar6 */
134 '4', 0x00, /* wcChar7 */
135 '5', 0x00, /* wcChar8 */
136 '6', 0x00, /* wcChar9 */
137 ///////////////////////////////////////
138 /// string4 descriptor
139 ///////////////////////////////////////
140 0x60, /* bLength */
141 USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
142 '@', 0x00, /* wcChar0 */
143 'I', 0x00, /* wcChar1 */
144 'n', 0x00, /* wcChar2 */
145 't', 0x00, /* wcChar3 */
146 'e', 0x00, /* wcChar4 */
147 'r', 0x00, /* wcChar5 */
148 'n', 0x00, /* wcChar6 */
149 'a', 0x00, /* wcChar7 */
150 'l', 0x00, /* wcChar8 */
151 ' ', 0x00, /* wcChar9 */
152 'F', 0x00, /* wcChar10 */
153 'l', 0x00, /* wcChar11*/
154 'a', 0x00, /* wcChar12 */
155 's', 0x00, /* wcChar13 */
156 'h', 0x00, /* wcChar14 */
157 ' ', 0x00, /* wcChar15 */
158 ' ', 0x00, /* wcChar16 */
159 ' ', 0x00, /* wcChar17 */
160 '/', 0x00, /* wcChar18 */
161 '0', 0x00, /* wcChar19 */
162 'x', 0x00, /* wcChar20 */
163 '0', 0x00, /* wcChar21*/
164 '8', 0x00, /* wcChar22 */
165 '0', 0x00, /* wcChar23 */
166 '0', 0x00, /* wcChar24 */
167 '0', 0x00, /* wcChar25 */
168 '0', 0x00, /* wcChar26 */
169 '0', 0x00, /* wcChar27 */
170 '0', 0x00, /* wcChar28 */
171 '/', 0x00, /* wcChar29 */
172 '1', 0x00, /* wcChar30 */
173 '6', 0x00, /* wcChar31*/
174 '*', 0x00, /* wcChar32 */
175 '0', 0x00, /* wcChar33 */
176 '0', 0x00, /* wcChar34 */
177 '1', 0x00, /* wcChar35 */
178 'K', 0x00, /* wcChar36 */
179 'a', 0x00, /* wcChar37 */
180 ',', 0x00, /* wcChar38 */
181 '1', 0x00, /* wcChar39 */
182 '1', 0x00, /* wcChar40 */
183 '2', 0x00, /* wcChar41*/
184 '*', 0x00, /* wcChar42 */
185 '0', 0x00, /* wcChar43 */
186 '1', 0x00, /* wcChar44 */
187 'K', 0x00, /* wcChar45 */
188 'g', 0x00, /* wcChar46 */
189
190 #ifdef CONFIG_USB_HS
191 ///////////////////////////////////////
192 /// device qualifier descriptor
193 ///////////////////////////////////////
194 0x0a,
195 USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
196 0x00,
197 0x02,
198 0x00,
199 0x00,
200 0x00,
201 0x40,
202 0x00,
203 0x00,
204 #endif
205 0x00
206 };
207 #endif
208
usbd_event_handler(uint8_t busid,uint8_t event)209 static void usbd_event_handler(uint8_t busid, uint8_t event)
210 {
211 switch (event) {
212 case USBD_EVENT_RESET:
213 break;
214 case USBD_EVENT_CONNECTED:
215 break;
216 case USBD_EVENT_DISCONNECTED:
217 break;
218 case USBD_EVENT_RESUME:
219 break;
220 case USBD_EVENT_SUSPEND:
221 break;
222 case USBD_EVENT_CONFIGURED:
223 break;
224 case USBD_EVENT_SET_REMOTE_WAKEUP:
225 break;
226 case USBD_EVENT_CLR_REMOTE_WAKEUP:
227 break;
228
229 default:
230 break;
231 }
232 }
233
234 struct usbd_interface intf0;
235
dfu_flash_init(uint8_t busid,uintptr_t reg_base)236 void dfu_flash_init(uint8_t busid, uintptr_t reg_base)
237 {
238 #ifdef CONFIG_USBDEV_ADVANCE_DESC
239 usbd_desc_register(busid, &dfu_flash_descriptor);
240 #else
241 usbd_desc_register(busid, dfu_flash_descriptor);
242 #endif
243 usbd_add_interface(busid, usbd_dfu_init_intf(&intf0));
244 usbd_initialize(busid, reg_base, usbd_event_handler);
245 }
246