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-rw-r--r--lib/chibios/testex/STM32/STM32F4xx/SPI-LIS3DSH/source/usbcfg.c342
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diff --git a/lib/chibios/testex/STM32/STM32F4xx/SPI-LIS3DSH/source/usbcfg.c b/lib/chibios/testex/STM32/STM32F4xx/SPI-LIS3DSH/source/usbcfg.c
new file mode 100644
index 000000000..1f63545e6
--- /dev/null
+++ b/lib/chibios/testex/STM32/STM32F4xx/SPI-LIS3DSH/source/usbcfg.c
@@ -0,0 +1,342 @@
1/*
2 ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
3
4 Licensed under the Apache License, Version 2.0 (the "License");
5 you may not use this file except in compliance with the License.
6 You may obtain a copy of the License at
7
8 http://www.apache.org/licenses/LICENSE-2.0
9
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
15*/
16
17#include "hal.h"
18
19/* Virtual serial port over USB.*/
20SerialUSBDriver SDU1;
21
22/*
23 * Endpoints to be used for USBD1.
24 */
25#define USBD1_DATA_REQUEST_EP 1
26#define USBD1_DATA_AVAILABLE_EP 1
27#define USBD1_INTERRUPT_REQUEST_EP 2
28
29/*
30 * USB Device Descriptor.
31 */
32static const uint8_t vcom_device_descriptor_data[18] = {
33 USB_DESC_DEVICE (0x0110, /* bcdUSB (1.1). */
34 0x02, /* bDeviceClass (CDC). */
35 0x00, /* bDeviceSubClass. */
36 0x00, /* bDeviceProtocol. */
37 0x40, /* bMaxPacketSize. */
38 0x0483, /* idVendor (ST). */
39 0x5740, /* idProduct. */
40 0x0200, /* bcdDevice. */
41 1, /* iManufacturer. */
42 2, /* iProduct. */
43 3, /* iSerialNumber. */
44 1) /* bNumConfigurations. */
45};
46
47/*
48 * Device Descriptor wrapper.
49 */
50static const USBDescriptor vcom_device_descriptor = {
51 sizeof vcom_device_descriptor_data,
52 vcom_device_descriptor_data
53};
54
55/* Configuration Descriptor tree for a CDC.*/
56static const uint8_t vcom_configuration_descriptor_data[67] = {
57 /* Configuration Descriptor.*/
58 USB_DESC_CONFIGURATION(67, /* wTotalLength. */
59 0x02, /* bNumInterfaces. */
60 0x01, /* bConfigurationValue. */
61 0, /* iConfiguration. */
62 0xC0, /* bmAttributes (self powered). */
63 50), /* bMaxPower (100mA). */
64 /* Interface Descriptor.*/
65 USB_DESC_INTERFACE (0x00, /* bInterfaceNumber. */
66 0x00, /* bAlternateSetting. */
67 0x01, /* bNumEndpoints. */
68 0x02, /* bInterfaceClass (Communications
69 Interface Class, CDC section
70 4.2). */
71 0x02, /* bInterfaceSubClass (Abstract
72 Control Model, CDC section 4.3). */
73 0x01, /* bInterfaceProtocol (AT commands,
74 CDC section 4.4). */
75 0), /* iInterface. */
76 /* Header Functional Descriptor (CDC section 5.2.3).*/
77 USB_DESC_BYTE (5), /* bLength. */
78 USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
79 USB_DESC_BYTE (0x00), /* bDescriptorSubtype (Header
80 Functional Descriptor. */
81 USB_DESC_BCD (0x0110), /* bcdCDC. */
82 /* Call Management Functional Descriptor. */
83 USB_DESC_BYTE (5), /* bFunctionLength. */
84 USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
85 USB_DESC_BYTE (0x01), /* bDescriptorSubtype (Call Management
86 Functional Descriptor). */
87 USB_DESC_BYTE (0x00), /* bmCapabilities (D0+D1). */
88 USB_DESC_BYTE (0x01), /* bDataInterface. */
89 /* ACM Functional Descriptor.*/
90 USB_DESC_BYTE (4), /* bFunctionLength. */
91 USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
92 USB_DESC_BYTE (0x02), /* bDescriptorSubtype (Abstract
93 Control Management Descriptor). */
94 USB_DESC_BYTE (0x02), /* bmCapabilities. */
95 /* Union Functional Descriptor.*/
96 USB_DESC_BYTE (5), /* bFunctionLength. */
97 USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
98 USB_DESC_BYTE (0x06), /* bDescriptorSubtype (Union
99 Functional Descriptor). */
100 USB_DESC_BYTE (0x00), /* bMasterInterface (Communication
101 Class Interface). */
102 USB_DESC_BYTE (0x01), /* bSlaveInterface0 (Data Class
103 Interface). */
104 /* Endpoint 2 Descriptor.*/
105 USB_DESC_ENDPOINT (USBD1_INTERRUPT_REQUEST_EP|0x80,
106 0x03, /* bmAttributes (Interrupt). */
107 0x0008, /* wMaxPacketSize. */
108 0xFF), /* bInterval. */
109 /* Interface Descriptor.*/
110 USB_DESC_INTERFACE (0x01, /* bInterfaceNumber. */
111 0x00, /* bAlternateSetting. */
112 0x02, /* bNumEndpoints. */
113 0x0A, /* bInterfaceClass (Data Class
114 Interface, CDC section 4.5). */
115 0x00, /* bInterfaceSubClass (CDC section
116 4.6). */
117 0x00, /* bInterfaceProtocol (CDC section
118 4.7). */
119 0x00), /* iInterface. */
120 /* Endpoint 3 Descriptor.*/
121 USB_DESC_ENDPOINT (USBD1_DATA_AVAILABLE_EP, /* bEndpointAddress.*/
122 0x02, /* bmAttributes (Bulk). */
123 0x0040, /* wMaxPacketSize. */
124 0x00), /* bInterval. */
125 /* Endpoint 1 Descriptor.*/
126 USB_DESC_ENDPOINT (USBD1_DATA_REQUEST_EP|0x80, /* bEndpointAddress.*/
127 0x02, /* bmAttributes (Bulk). */
128 0x0040, /* wMaxPacketSize. */
129 0x00) /* bInterval. */
130};
131
132/*
133 * Configuration Descriptor wrapper.
134 */
135static const USBDescriptor vcom_configuration_descriptor = {
136 sizeof vcom_configuration_descriptor_data,
137 vcom_configuration_descriptor_data
138};
139
140/*
141 * U.S. English language identifier.
142 */
143static const uint8_t vcom_string0[] = {
144 USB_DESC_BYTE(4), /* bLength. */
145 USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
146 USB_DESC_WORD(0x0409) /* wLANGID (U.S. English). */
147};
148
149/*
150 * Vendor string.
151 */
152static const uint8_t vcom_string1[] = {
153 USB_DESC_BYTE(38), /* bLength. */
154 USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
155 'S', 0, 'T', 0, 'M', 0, 'i', 0, 'c', 0, 'r', 0, 'o', 0, 'e', 0,
156 'l', 0, 'e', 0, 'c', 0, 't', 0, 'r', 0, 'o', 0, 'n', 0, 'i', 0,
157 'c', 0, 's', 0
158};
159
160/*
161 * Device Description string.
162 */
163static const uint8_t vcom_string2[] = {
164 USB_DESC_BYTE(56), /* bLength. */
165 USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
166 'C', 0, 'h', 0, 'i', 0, 'b', 0, 'i', 0, 'O', 0, 'S', 0, '/', 0,
167 'R', 0, 'T', 0, ' ', 0, 'V', 0, 'i', 0, 'r', 0, 't', 0, 'u', 0,
168 'a', 0, 'l', 0, ' ', 0, 'C', 0, 'O', 0, 'M', 0, ' ', 0, 'P', 0,
169 'o', 0, 'r', 0, 't', 0
170};
171
172/*
173 * Serial Number string.
174 */
175static const uint8_t vcom_string3[] = {
176 USB_DESC_BYTE(8), /* bLength. */
177 USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
178 '0' + CH_KERNEL_MAJOR, 0,
179 '0' + CH_KERNEL_MINOR, 0,
180 '0' + CH_KERNEL_PATCH, 0
181};
182
183/*
184 * Strings wrappers array.
185 */
186static const USBDescriptor vcom_strings[] = {
187 {sizeof vcom_string0, vcom_string0},
188 {sizeof vcom_string1, vcom_string1},
189 {sizeof vcom_string2, vcom_string2},
190 {sizeof vcom_string3, vcom_string3}
191};
192
193/*
194 * Handles the GET_DESCRIPTOR callback. All required descriptors must be
195 * handled here.
196 */
197static const USBDescriptor *get_descriptor(USBDriver *usbp,
198 uint8_t dtype,
199 uint8_t dindex,
200 uint16_t lang) {
201
202 (void)usbp;
203 (void)lang;
204 switch (dtype) {
205 case USB_DESCRIPTOR_DEVICE:
206 return &vcom_device_descriptor;
207 case USB_DESCRIPTOR_CONFIGURATION:
208 return &vcom_configuration_descriptor;
209 case USB_DESCRIPTOR_STRING:
210 if (dindex < 4)
211 return &vcom_strings[dindex];
212 }
213 return NULL;
214}
215
216/**
217 * @brief IN EP1 state.
218 */
219static USBInEndpointState ep1instate;
220
221/**
222 * @brief OUT EP1 state.
223 */
224static USBOutEndpointState ep1outstate;
225
226/**
227 * @brief EP1 initialization structure (both IN and OUT).
228 */
229static const USBEndpointConfig ep1config = {
230 USB_EP_MODE_TYPE_BULK,
231 NULL,
232 sduDataTransmitted,
233 sduDataReceived,
234 0x0040,
235 0x0040,
236 &ep1instate,
237 &ep1outstate,
238 2,
239 NULL
240};
241
242/**
243 * @brief IN EP2 state.
244 */
245static USBInEndpointState ep2instate;
246
247/**
248 * @brief EP2 initialization structure (IN only).
249 */
250static const USBEndpointConfig ep2config = {
251 USB_EP_MODE_TYPE_INTR,
252 NULL,
253 sduInterruptTransmitted,
254 NULL,
255 0x0010,
256 0x0000,
257 &ep2instate,
258 NULL,
259 1,
260 NULL
261};
262
263/*
264 * Handles the USB driver global events.
265 */
266static void usb_event(USBDriver *usbp, usbevent_t event) {
267 extern SerialUSBDriver SDU1;
268
269 switch (event) {
270 case USB_EVENT_ADDRESS:
271 return;
272 case USB_EVENT_CONFIGURED:
273 chSysLockFromISR();
274
275 /* Enables the endpoints specified into the configuration.
276 Note, this callback is invoked from an ISR so I-Class functions
277 must be used.*/
278 usbInitEndpointI(usbp, USBD1_DATA_REQUEST_EP, &ep1config);
279 usbInitEndpointI(usbp, USBD1_INTERRUPT_REQUEST_EP, &ep2config);
280
281 /* Resetting the state of the CDC subsystem.*/
282 sduConfigureHookI(&SDU1);
283
284 chSysUnlockFromISR();
285 return;
286 case USB_EVENT_RESET:
287 /* Falls into.*/
288 case USB_EVENT_UNCONFIGURED:
289 /* Falls into.*/
290 case USB_EVENT_SUSPEND:
291 chSysLockFromISR();
292
293 /* Disconnection event on suspend.*/
294 sduSuspendHookI(&SDU1);
295
296 chSysUnlockFromISR();
297 return;
298 case USB_EVENT_WAKEUP:
299 chSysLockFromISR();
300
301 /* Connection event on wakeup.*/
302 sduWakeupHookI(&SDU1);
303
304 chSysUnlockFromISR();
305 return;
306 case USB_EVENT_STALLED:
307 return;
308 }
309 return;
310}
311
312/*
313 * Handles the USB driver global events.
314 */
315static void sof_handler(USBDriver *usbp) {
316
317 (void)usbp;
318
319 osalSysLockFromISR();
320 sduSOFHookI(&SDU1);
321 osalSysUnlockFromISR();
322}
323
324/*
325 * USB driver configuration.
326 */
327const USBConfig usbcfg = {
328 usb_event,
329 get_descriptor,
330 sduRequestsHook,
331 sof_handler
332};
333
334/*
335 * Serial over USB driver configuration.
336 */
337const SerialUSBConfig serusbcfg = {
338 &USBD1,
339 USBD1_DATA_REQUEST_EP,
340 USBD1_DATA_AVAILABLE_EP,
341 USBD1_INTERRUPT_REQUEST_EP
342};
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-30 20:53:40 +0100