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rt-thread-official/components/drivers/usb/cherryusb/demo/video_audiov1_hid_template.c

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/*
* Copyright (c) 2024, sakumisu
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "usbd_core.h"
#include "usbd_video.h"
#include "usbd_audio.h"
#include "usbd_hid.h"
#include "cherryusb_mjpeg.h"
#define VIDEO_IN_EP 0x81
#define VIDEO_INT_EP 0x86
#ifdef CONFIG_USB_HS
#define MAX_PAYLOAD_SIZE 1024 // for high speed with one transcations every one micro frame
#define VIDEO_PACKET_SIZE (unsigned int)(((MAX_PAYLOAD_SIZE / 1)) | (0x00 << 11))
// #define MAX_PAYLOAD_SIZE 2048 // for high speed with two transcations every one micro frame
// #define VIDEO_PACKET_SIZE (unsigned int)(((MAX_PAYLOAD_SIZE / 2)) | (0x01 << 11))
// #define MAX_PAYLOAD_SIZE 3072 // for high speed with three transcations every one micro frame
// #define VIDEO_PACKET_SIZE (unsigned int)(((MAX_PAYLOAD_SIZE / 3)) | (0x02 << 11))
#else
#define MAX_PAYLOAD_SIZE 1020
#define VIDEO_PACKET_SIZE (unsigned int)(((MAX_PAYLOAD_SIZE / 1)) | (0x00 << 11))
#endif
#define WIDTH (unsigned int)(640)
#define HEIGHT (unsigned int)(480)
#define CAM_FPS (30)
#define INTERVAL (unsigned long)(10000000 / CAM_FPS)
#define MIN_BIT_RATE (unsigned long)(WIDTH * HEIGHT * 16 * CAM_FPS) //16 bit
#define MAX_BIT_RATE (unsigned long)(WIDTH * HEIGHT * 16 * CAM_FPS)
#define MAX_FRAME_SIZE (unsigned long)(WIDTH * HEIGHT * 2)
#define VS_HEADER_SIZ (unsigned int)(VIDEO_SIZEOF_VS_INPUT_HEADER_DESC(1, 1) + VIDEO_SIZEOF_VS_FORMAT_MJPEG_DESC + VIDEO_SIZEOF_VS_FRAME_MJPEG_DESC(1))
#define USB_VIDEO_DESC_SIZ (unsigned long)(9 + \
VIDEO_VC_NOEP_DESCRIPTOR_LEN + \
9 + \
VS_HEADER_SIZ + \
9 + \
7 + \
AUDIO_AC_DESCRIPTOR_INIT_LEN(2) + \
AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC + \
AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(2, 1) + \
AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC + \
AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC + \
AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(2, 1) + \
AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC + \
AUDIO_AS_DESCRIPTOR_INIT_LEN(1) + \
AUDIO_AS_DESCRIPTOR_INIT_LEN(1) + \
25)
#define USBD_VID 0xffff
#define USBD_PID 0xffff
#define USBD_MAX_POWER 100
#define USBD_LANGID_STRING 1033
#ifdef CONFIG_USB_HS
#define EP_INTERVAL 0x04
#else
#define EP_INTERVAL 0x01
#endif
#define AUDIO_IN_EP 0x82
#define AUDIO_OUT_EP 0x03
#define AUDIO_IN_FU_ID 0x02
#define AUDIO_OUT_FU_ID 0x05
/* AUDIO Class Config */
#define AUDIO_SPEAKER_FREQ 16000U
#define AUDIO_SPEAKER_FRAME_SIZE_BYTE 2u
#define AUDIO_SPEAKER_RESOLUTION_BIT 16u
#define AUDIO_MIC_FREQ 16000U
#define AUDIO_MIC_FRAME_SIZE_BYTE 2u
#define AUDIO_MIC_RESOLUTION_BIT 16u
#define AUDIO_SAMPLE_FREQ(frq) (uint8_t)(frq), (uint8_t)((frq >> 8)), (uint8_t)((frq >> 16))
/* AudioFreq * DataSize (2 bytes) * NumChannels (Stereo: 2) */
#define AUDIO_OUT_PACKET ((uint32_t)((AUDIO_SPEAKER_FREQ * AUDIO_SPEAKER_FRAME_SIZE_BYTE * 2) / 1000))
/* 16bit(2 Bytes) 双声道(Mono:2) */
#define AUDIO_IN_PACKET ((uint32_t)((AUDIO_MIC_FREQ * AUDIO_MIC_FRAME_SIZE_BYTE * 2) / 1000))
#define AUDIO_AC_SIZ (AUDIO_SIZEOF_AC_HEADER_DESC(2) + \
AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC + \
AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(2, 1) + \
AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC + \
AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC + \
AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(2, 1) + \
AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC)
#define HID_INT_EP 0x84
#define HID_INT_EP_SIZE 8
#define HID_INT_EP_INTERVAL 10
#define HID_KEYBOARD_REPORT_DESC_SIZE 63
const uint8_t video_audio_hid_descriptor[] = {
USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0xef, 0x02, 0x01, USBD_VID, USBD_PID, 0x0001, 0x01),
USB_CONFIG_DESCRIPTOR_INIT(USB_VIDEO_DESC_SIZ, 0x06, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
//VIDEO_VC_DESCRIPTOR_INIT(0x00, VIDEO_INT_EP, 0x0100, VIDEO_VC_TERMINAL_LEN, 48000000, 0x02),
VIDEO_VC_NOEP_DESCRIPTOR_INIT(0x00, VIDEO_INT_EP, 0x0100, VIDEO_VC_TERMINAL_LEN, 48000000, 0x02),
VIDEO_VS_DESCRIPTOR_INIT(0x01, 0x00, 0x00),
VIDEO_VS_INPUT_HEADER_DESCRIPTOR_INIT(0x01, VS_HEADER_SIZ, VIDEO_IN_EP, 0x00),
VIDEO_VS_FORMAT_MJPEG_DESCRIPTOR_INIT(0x01, 0x01),
VIDEO_VS_FRAME_MJPEG_DESCRIPTOR_INIT(0x01, WIDTH, HEIGHT, MIN_BIT_RATE, MAX_BIT_RATE, MAX_FRAME_SIZE, DBVAL(INTERVAL), 0x01, DBVAL(INTERVAL)),
VIDEO_VS_DESCRIPTOR_INIT(0x01, 0x01, 0x01),
/* 1.2.2.2 Standard VideoStream Isochronous Video Data Endpoint Descriptor */
USB_ENDPOINT_DESCRIPTOR_INIT(VIDEO_IN_EP, 0x05, VIDEO_PACKET_SIZE, 0x01),
AUDIO_AC_DESCRIPTOR_INIT(0x02, 0x03, AUDIO_AC_SIZ, 0x00, 0x03, 0x04),
AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x01, AUDIO_INTERM_MIC, 0x02, 0x0003),
AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(0x02, 0x01, 0x01, 0x03, 0x00, 0x00),
AUDIO_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x03, AUDIO_TERMINAL_STREAMING, 0x02),
AUDIO_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x04, AUDIO_TERMINAL_STREAMING, 0x02, 0x0003),
AUDIO_AC_FEATURE_UNIT_DESCRIPTOR_INIT(0x05, 0x04, 0x01, 0x03, 0x00, 0x00),
AUDIO_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x06, AUDIO_OUTTERM_SPEAKER, 0x05),
AUDIO_AS_DESCRIPTOR_INIT(0x03, 0x04, 0x02, AUDIO_SPEAKER_FRAME_SIZE_BYTE, AUDIO_SPEAKER_RESOLUTION_BIT, AUDIO_OUT_EP, 0x09, AUDIO_OUT_PACKET,
EP_INTERVAL, AUDIO_SAMPLE_FREQ_3B(AUDIO_SPEAKER_FREQ)),
AUDIO_AS_DESCRIPTOR_INIT(0x04, 0x03, 0x02, AUDIO_MIC_FRAME_SIZE_BYTE, AUDIO_MIC_RESOLUTION_BIT, AUDIO_IN_EP, 0x05, AUDIO_IN_PACKET,
EP_INTERVAL, AUDIO_SAMPLE_FREQ_3B(AUDIO_MIC_FREQ)),
/************** Descriptor of Joystick Mouse interface ****************/
/* 09 */
0x09, /* bLength: Interface Descriptor size */
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType: Interface descriptor type */
0x05, /* bInterfaceNumber: Number of Interface */
0x00, /* bAlternateSetting: Alternate setting */
0x01, /* bNumEndpoints */
0x03, /* bInterfaceClass: HID */
0x01, /* bInterfaceSubClass : 1=BOOT, 0=no boot */
0x01, /* nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse */
0, /* iInterface: Index of string descriptor */
/******************** Descriptor of Joystick Mouse HID ********************/
/* 18 */
0x09, /* bLength: HID Descriptor size */
HID_DESCRIPTOR_TYPE_HID, /* bDescriptorType: HID */
0x11, /* bcdHID: HID Class Spec release number */
0x01,
0x00, /* bCountryCode: Hardware target country */
0x01, /* bNumDescriptors: Number of HID class descriptors to follow */
0x22, /* bDescriptorType */
HID_KEYBOARD_REPORT_DESC_SIZE, /* wItemLength: Total length of Report descriptor */
0x00,
/******************** Descriptor of Mouse endpoint ********************/
/* 27 */
0x07, /* bLength: Endpoint Descriptor size */
USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType: */
HID_INT_EP, /* bEndpointAddress: Endpoint Address (IN) */
0x03, /* bmAttributes: Interrupt endpoint */
HID_INT_EP_SIZE, /* wMaxPacketSize: 4 Byte max */
0x00,
HID_INT_EP_INTERVAL, /* bInterval: Polling Interval */
/* 34 */
///////////////////////////////////////
/// string0 descriptor
///////////////////////////////////////
USB_LANGID_INIT(USBD_LANGID_STRING),
///////////////////////////////////////
/// string1 descriptor
///////////////////////////////////////
0x14, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'C', 0x00, /* wcChar0 */
'h', 0x00, /* wcChar1 */
'e', 0x00, /* wcChar2 */
'r', 0x00, /* wcChar3 */
'r', 0x00, /* wcChar4 */
'y', 0x00, /* wcChar5 */
'U', 0x00, /* wcChar6 */
'S', 0x00, /* wcChar7 */
'B', 0x00, /* wcChar8 */
///////////////////////////////////////
/// string2 descriptor
///////////////////////////////////////
0x26, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'C', 0x00, /* wcChar0 */
'h', 0x00, /* wcChar1 */
'e', 0x00, /* wcChar2 */
'r', 0x00, /* wcChar3 */
'r', 0x00, /* wcChar4 */
'y', 0x00, /* wcChar5 */
'U', 0x00, /* wcChar6 */
'S', 0x00, /* wcChar7 */
'B', 0x00, /* wcChar8 */
' ', 0x00, /* wcChar9 */
'U', 0x00, /* wcChar10 */
'A', 0x00, /* wcChar11 */
'C', 0x00, /* wcChar12 */
' ', 0x00, /* wcChar13 */
'D', 0x00, /* wcChar14 */
'E', 0x00, /* wcChar15 */
'M', 0x00, /* wcChar16 */
'O', 0x00, /* wcChar17 */
///////////////////////////////////////
/// string3 descriptor
///////////////////////////////////////
0x16, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'2', 0x00, /* wcChar0 */
'0', 0x00, /* wcChar1 */
'2', 0x00, /* wcChar2 */
'4', 0x00, /* wcChar3 */
'0', 0x00, /* wcChar4 */
'3', 0x00, /* wcChar5 */
'1', 0x00, /* wcChar6 */
'0', 0x00, /* wcChar7 */
'0', 0x00, /* wcChar8 */
'0', 0x00, /* wcChar9 */
#ifdef CONFIG_USB_HS
///////////////////////////////////////
/// device qualifier descriptor
///////////////////////////////////////
0x0a,
USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
0x00,
0x02,
0x00,
0x00,
0x00,
0x40,
0x01,
0x00,
#endif
0x00
};
static const uint8_t hid_keyboard_report_desc[HID_KEYBOARD_REPORT_DESC_SIZE] = {
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x06, // USAGE (Keyboard)
0xa1, 0x01, // COLLECTION (Application)
0x05, 0x07, // USAGE_PAGE (Keyboard)
0x19, 0xe0, // USAGE_MINIMUM (Keyboard LeftControl)
0x29, 0xe7, // USAGE_MAXIMUM (Keyboard Right GUI)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x75, 0x01, // REPORT_SIZE (1)
0x95, 0x08, // REPORT_COUNT (8)
0x81, 0x02, // INPUT (Data,Var,Abs)
0x95, 0x01, // REPORT_COUNT (1)
0x75, 0x08, // REPORT_SIZE (8)
0x81, 0x03, // INPUT (Cnst,Var,Abs)
0x95, 0x05, // REPORT_COUNT (5)
0x75, 0x01, // REPORT_SIZE (1)
0x05, 0x08, // USAGE_PAGE (LEDs)
0x19, 0x01, // USAGE_MINIMUM (Num Lock)
0x29, 0x05, // USAGE_MAXIMUM (Kana)
0x91, 0x02, // OUTPUT (Data,Var,Abs)
0x95, 0x01, // REPORT_COUNT (1)
0x75, 0x03, // REPORT_SIZE (3)
0x91, 0x03, // OUTPUT (Cnst,Var,Abs)
0x95, 0x06, // REPORT_COUNT (6)
0x75, 0x08, // REPORT_SIZE (8)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0xFF, // LOGICAL_MAXIMUM (255)
0x05, 0x07, // USAGE_PAGE (Keyboard)
0x19, 0x00, // USAGE_MINIMUM (Reserved (no event indicated))
0x29, 0x65, // USAGE_MAXIMUM (Keyboard Application)
0x81, 0x00, // INPUT (Data,Ary,Abs)
0xc0 // END_COLLECTION
};
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t audio_read_buffer[AUDIO_OUT_PACKET];
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t audio_write_buffer[AUDIO_IN_PACKET];
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t video_packet_buffer[40 * 1024];
volatile bool video_tx_flag = 0;
volatile bool audio_tx_flag = 0;
volatile bool audio_rx_flag = 0;
volatile bool video_iso_tx_busy = false;
volatile bool audio_iso_tx_busy = false;
#define HID_STATE_IDLE 0
#define HID_STATE_BUSY 1
/*!< hid state ! Data can be sent only when state is idle */
static volatile uint8_t hid_state = HID_STATE_IDLE;
static void usbd_event_handler(uint8_t busid, uint8_t event)
{
switch (event) {
case USBD_EVENT_RESET:
break;
case USBD_EVENT_CONNECTED:
break;
case USBD_EVENT_DISCONNECTED:
break;
case USBD_EVENT_RESUME:
break;
case USBD_EVENT_SUSPEND:
break;
case USBD_EVENT_CONFIGURED:
video_tx_flag = 0;
audio_tx_flag = 0;
audio_rx_flag = 0;
video_iso_tx_busy = false;
audio_iso_tx_busy = false;
hid_state = HID_STATE_IDLE;
break;
case USBD_EVENT_SET_REMOTE_WAKEUP:
break;
case USBD_EVENT_CLR_REMOTE_WAKEUP:
break;
default:
break;
}
}
void usbd_video_open(uint8_t busid, uint8_t intf)
{
if (intf == 1) {
video_tx_flag = 1;
USB_LOG_RAW("OPEN\r\n");
video_iso_tx_busy = false;
}
}
void usbd_video_close(uint8_t busid, uint8_t intf)
{
if (intf == 1) {
USB_LOG_RAW("CLOSE\r\n");
video_tx_flag = 0;
video_iso_tx_busy = false;
}
}
void usbd_video_iso_callback(uint8_t busid, uint8_t ep, uint32_t nbytes)
{
//USB_LOG_RAW("actual in len:%d\r\n", nbytes);
video_iso_tx_busy = false;
}
static struct usbd_endpoint video_in_ep = {
.ep_cb = usbd_video_iso_callback,
.ep_addr = VIDEO_IN_EP
};
void usbd_audio_open(uint8_t busid, uint8_t intf)
{
if (intf == 3) {
audio_rx_flag = 1;
/* setup first out ep read transfer */
usbd_ep_start_read(busid, AUDIO_OUT_EP, audio_read_buffer, AUDIO_OUT_PACKET);
printf("OPEN1\r\n");
} else if (intf == 4) {
audio_tx_flag = 1;
audio_iso_tx_busy = false;
printf("OPEN2\r\n");
}
}
void usbd_audio_close(uint8_t busid, uint8_t intf)
{
if (intf == 3) {
audio_rx_flag = 0;
printf("CLOSE1\r\n");
} else if (intf == 4) {
audio_tx_flag = 0;
audio_iso_tx_busy = false;
printf("CLOSE2\r\n");
}
}
void usbd_audio_out_callback(uint8_t busid, uint8_t ep, uint32_t nbytes)
{
USB_LOG_RAW("actual out len:%d\r\n", nbytes);
usbd_ep_start_read(busid, AUDIO_OUT_EP, audio_read_buffer, AUDIO_OUT_PACKET);
}
void usbd_audio_in_callback(uint8_t busid, uint8_t ep, uint32_t nbytes)
{
USB_LOG_RAW("actual in len:%d\r\n", nbytes);
audio_iso_tx_busy = false;
}
static struct usbd_endpoint audio_in_ep = {
.ep_cb = usbd_audio_in_callback,
.ep_addr = AUDIO_IN_EP
};
static struct usbd_endpoint audio_out_ep = {
.ep_cb = usbd_audio_out_callback,
.ep_addr = AUDIO_OUT_EP
};
void usbd_hid_int_callback(uint8_t busid, uint8_t ep, uint32_t nbytes)
{
hid_state = HID_STATE_IDLE;
}
static struct usbd_endpoint hid_in_ep = {
.ep_cb = usbd_hid_int_callback,
.ep_addr = HID_INT_EP
};
struct usbd_interface intf0;
struct usbd_interface intf1;
struct usbd_interface intf2;
struct usbd_interface intf3;
struct usbd_interface intf4;
struct usbd_interface intf5;
struct audio_entity_info audio_entity_table[] = {
{ .bEntityId = AUDIO_IN_FU_ID,
.bDescriptorSubtype = AUDIO_CONTROL_FEATURE_UNIT,
.ep = AUDIO_IN_EP },
{ .bEntityId = AUDIO_OUT_FU_ID,
.bDescriptorSubtype = AUDIO_CONTROL_FEATURE_UNIT,
.ep = AUDIO_OUT_EP },
};
void composite_init(uint8_t busid, uintptr_t reg_base)
{
usbd_desc_register(busid, video_audio_hid_descriptor);
usbd_add_interface(busid, usbd_video_init_intf(busid, &intf0, INTERVAL, MAX_FRAME_SIZE, MAX_PAYLOAD_SIZE));
usbd_add_interface(busid, usbd_video_init_intf(busid, &intf1, INTERVAL, MAX_FRAME_SIZE, MAX_PAYLOAD_SIZE));
usbd_add_endpoint(busid, &video_in_ep);
usbd_add_interface(busid, usbd_audio_init_intf(busid, &intf2, 0x0100, audio_entity_table, 2));
usbd_add_interface(busid, usbd_audio_init_intf(busid, &intf3, 0x0100, audio_entity_table, 2));
usbd_add_interface(busid, usbd_audio_init_intf(busid, &intf4, 0x0100, audio_entity_table, 2));
usbd_add_endpoint(busid, &audio_in_ep);
usbd_add_endpoint(busid, &audio_out_ep);
usbd_add_interface(busid, usbd_hid_init_intf(busid, &intf0, hid_keyboard_report_desc, HID_KEYBOARD_REPORT_DESC_SIZE));
usbd_add_endpoint(busid, &hid_in_ep);
usbd_initialize(busid, reg_base, usbd_event_handler);
}
/* just for test, rewrite by yourself */
void audio_test(uint8_t busid)
{
while (1) {
if (audio_tx_flag) {
memset(audio_write_buffer, 'a', AUDIO_IN_PACKET);
audio_iso_tx_busy = true;
usbd_ep_start_write(busid, AUDIO_IN_EP, audio_write_buffer, AUDIO_IN_PACKET);
while (audio_iso_tx_busy) {
if (audio_tx_flag == false) {
break;
}
}
}
}
}
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t hid_write_buffer[64];
void hid_keyboard_test(uint8_t busid)
{
const uint8_t sendbuffer[8] = { 0x00, 0x00, HID_KBD_USAGE_A, 0x00, 0x00, 0x00, 0x00, 0x00 };
memcpy(hid_write_buffer, sendbuffer, 8);
int ret = usbd_ep_start_write(busid, HID_INT_EP, hid_write_buffer, 8);
if (ret < 0) {
return;
}
hid_state = HID_STATE_BUSY;
while (hid_state == HID_STATE_BUSY) {
}
}
void video_test(uint8_t busid)
{
uint32_t out_len;
uint32_t packets;
(void)packets;
memset(video_packet_buffer, 0, 40 * 1024);
while (1) {
if (video_tx_flag) {
packets = usbd_video_payload_fill(busid, (uint8_t *)cherryusb_mjpeg, sizeof(cherryusb_mjpeg), video_packet_buffer, &out_len);
#if 1
video_iso_tx_busy = true;
usbd_ep_start_write(busid, VIDEO_IN_EP, video_packet_buffer, out_len);
while (video_iso_tx_busy) {
if (video_tx_flag == 0) {
break;
}
}
#else
/* dwc2 must use this method */
for (uint32_t i = 0; i < packets; i++) {
if (i == (packets - 1)) {
video_iso_tx_busy = true;
usbd_ep_start_write(busid, VIDEO_IN_EP, &video_packet_buffer[i * MAX_PAYLOAD_SIZE], out_len - (packets - 1) * MAX_PAYLOAD_SIZE);
while (video_iso_tx_busy) {
if (video_tx_flag == 0) {
break;
}
}
} else {
video_iso_tx_busy = true;
usbd_ep_start_write(busid, VIDEO_IN_EP, &video_packet_buffer[i * MAX_PAYLOAD_SIZE], MAX_PAYLOAD_SIZE);
while (video_iso_tx_busy) {
if (video_tx_flag == 0) {
break;
}
}
}
}
#endif
}
}
}
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