mirror of
https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
synced 2025-12-14 18:38:55 +00:00
260 lines
9.4 KiB
C
260 lines
9.4 KiB
C
#include "usbd_core.h"
|
|
#include "usbd_audio.h"
|
|
|
|
#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_OUT_EP 0x01
|
|
|
|
#define AUDIO_OUT_CLOCK_ID 0x01
|
|
#define AUDIO_OUT_FU_ID 0x03
|
|
|
|
#define AUDIO_FREQ 48000
|
|
#define HALF_WORD_BYTES 2 //2 half word (one channel)
|
|
#define SAMPLE_BITS 16 //16 bit per channel
|
|
|
|
#define BMCONTROL (AUDIO_V2_FU_CONTROL_MUTE | AUDIO_V2_FU_CONTROL_VOLUME)
|
|
|
|
#define OUT_CHANNEL_NUM 2
|
|
|
|
#if OUT_CHANNEL_NUM == 1
|
|
#define OUTPUT_CTRL DBVAL(BMCONTROL), DBVAL(BMCONTROL)
|
|
#define OUTPUT_CH_ENABLE 0x00000000
|
|
#elif OUT_CHANNEL_NUM == 2
|
|
#define OUTPUT_CTRL DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL)
|
|
#define OUTPUT_CH_ENABLE 0x00000003
|
|
#elif OUT_CHANNEL_NUM == 3
|
|
#define OUTPUT_CTRL DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL)
|
|
#define OUTPUT_CH_ENABLE 0x00000007
|
|
#elif OUT_CHANNEL_NUM == 4
|
|
#define OUTPUT_CTRL DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL)
|
|
#define OUTPUT_CH_ENABLE 0x0000000f
|
|
#elif OUT_CHANNEL_NUM == 5
|
|
#define OUTPUT_CTRL DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL)
|
|
#define OUTPUT_CH_ENABLE 0x0000001f
|
|
#elif OUT_CHANNEL_NUM == 6
|
|
#define OUTPUT_CTRL DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL)
|
|
#define OUTPUT_CH_ENABLE 0x0000003F
|
|
#elif OUT_CHANNEL_NUM == 7
|
|
#define OUTPUT_CTRL DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL)
|
|
#define OUTPUT_CH_ENABLE 0x0000007f
|
|
#elif OUT_CHANNEL_NUM == 8
|
|
#define OUTPUT_CTRL DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL), DBVAL(BMCONTROL)
|
|
#define OUTPUT_CH_ENABLE 0x000000ff
|
|
#endif
|
|
|
|
#define AUDIO_OUT_PACKET ((uint32_t)((AUDIO_FREQ * HALF_WORD_BYTES * OUT_CHANNEL_NUM) / 1000))
|
|
|
|
#define USB_AUDIO_CONFIG_DESC_SIZ (9 + \
|
|
AUDIO_V2_AC_DESCRIPTOR_INIT_LEN + \
|
|
AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC + \
|
|
AUDIO_V2_SIZEOF_AC_INPUT_TERMINAL_DESC + \
|
|
AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(OUT_CHANNEL_NUM) + \
|
|
AUDIO_V2_SIZEOF_AC_OUTPUT_TERMINAL_DESC + \
|
|
AUDIO_V2_AS_DESCRIPTOR_INIT_LEN)
|
|
|
|
#define AUDIO_AC_SIZ (AUDIO_V2_SIZEOF_AC_HEADER_DESC + \
|
|
AUDIO_V2_SIZEOF_AC_CLOCK_SOURCE_DESC + \
|
|
AUDIO_V2_SIZEOF_AC_INPUT_TERMINAL_DESC + \
|
|
AUDIO_V2_SIZEOF_AC_FEATURE_UNIT_DESC(OUT_CHANNEL_NUM) + \
|
|
AUDIO_V2_SIZEOF_AC_OUTPUT_TERMINAL_DESC)
|
|
|
|
const uint8_t audio_v2_descriptor[] = {
|
|
USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0001, 0x01),
|
|
USB_CONFIG_DESCRIPTOR_INIT(USB_AUDIO_CONFIG_DESC_SIZ, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
|
|
AUDIO_V2_AC_DESCRIPTOR_INIT(0x00, 0x02, AUDIO_AC_SIZ, AUDIO_CATEGORY_SPEAKER, 0x00, 0x00),
|
|
AUDIO_V2_AC_CLOCK_SOURCE_DESCRIPTOR_INIT(AUDIO_OUT_CLOCK_ID, 0x03, 0x03),
|
|
AUDIO_V2_AC_INPUT_TERMINAL_DESCRIPTOR_INIT(0x02, AUDIO_TERMINAL_STREAMING, 0x01, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE, 0x0000),
|
|
AUDIO_V2_AC_FEATURE_UNIT_DESCRIPTOR_INIT(AUDIO_OUT_FU_ID, 0x02, OUTPUT_CTRL),
|
|
AUDIO_V2_AC_OUTPUT_TERMINAL_DESCRIPTOR_INIT(0x04, AUDIO_OUTTERM_SPEAKER, 0x03, 0x01, 0x0000),
|
|
AUDIO_V2_AS_DESCRIPTOR_INIT(0x01, 0x02, OUT_CHANNEL_NUM, OUTPUT_CH_ENABLE, HALF_WORD_BYTES, SAMPLE_BITS, AUDIO_OUT_EP, 0x09, AUDIO_OUT_PACKET, EP_INTERVAL),
|
|
///////////////////////////////////////
|
|
/// 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 */
|
|
'1', 0x00, /* wcChar3 */
|
|
'0', 0x00, /* wcChar4 */
|
|
'3', 0x00, /* wcChar5 */
|
|
'1', 0x00, /* wcChar6 */
|
|
'0', 0x00, /* wcChar7 */
|
|
'0', 0x00, /* wcChar8 */
|
|
'3', 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 default_sampling_freq_table[] = {
|
|
AUDIO_SAMPLE_FREQ_NUM(5),
|
|
AUDIO_SAMPLE_FREQ_4B(8000),
|
|
AUDIO_SAMPLE_FREQ_4B(8000),
|
|
AUDIO_SAMPLE_FREQ_4B(0x00),
|
|
AUDIO_SAMPLE_FREQ_4B(16000),
|
|
AUDIO_SAMPLE_FREQ_4B(16000),
|
|
AUDIO_SAMPLE_FREQ_4B(0x00),
|
|
AUDIO_SAMPLE_FREQ_4B(32000),
|
|
AUDIO_SAMPLE_FREQ_4B(32000),
|
|
AUDIO_SAMPLE_FREQ_4B(0x00),
|
|
AUDIO_SAMPLE_FREQ_4B(48000),
|
|
AUDIO_SAMPLE_FREQ_4B(48000),
|
|
AUDIO_SAMPLE_FREQ_4B(0x00),
|
|
AUDIO_SAMPLE_FREQ_4B(96000),
|
|
AUDIO_SAMPLE_FREQ_4B(96000),
|
|
AUDIO_SAMPLE_FREQ_4B(0x00),
|
|
};
|
|
|
|
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t read_buffer[AUDIO_OUT_PACKET];
|
|
|
|
volatile bool rx_flag = 0;
|
|
|
|
void usbd_event_handler(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:
|
|
break;
|
|
case USBD_EVENT_SET_REMOTE_WAKEUP:
|
|
break;
|
|
case USBD_EVENT_CLR_REMOTE_WAKEUP:
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void usbd_audio_open(uint8_t intf)
|
|
{
|
|
rx_flag = 1;
|
|
/* setup first out ep read transfer */
|
|
usbd_ep_start_read(AUDIO_OUT_EP, read_buffer, AUDIO_OUT_PACKET);
|
|
USB_LOG_RAW("OPEN\r\n");
|
|
}
|
|
|
|
void usbd_audio_close(uint8_t intf)
|
|
{
|
|
USB_LOG_RAW("CLOSE\r\n");
|
|
rx_flag = 0;
|
|
}
|
|
|
|
void usbd_audio_get_sampling_freq_table(uint8_t ep, uint8_t **sampling_freq_table)
|
|
{
|
|
if (ep == AUDIO_OUT_EP) {
|
|
*sampling_freq_table = (uint8_t *)default_sampling_freq_table;
|
|
}
|
|
}
|
|
|
|
void usbd_audio_iso_out_callback(uint8_t ep, uint32_t nbytes)
|
|
{
|
|
USB_LOG_RAW("actual out len:%d\r\n", nbytes);
|
|
usbd_ep_start_read(AUDIO_OUT_EP, read_buffer, AUDIO_OUT_PACKET);
|
|
}
|
|
|
|
static struct usbd_endpoint audio_out_ep = {
|
|
.ep_cb = usbd_audio_iso_out_callback,
|
|
.ep_addr = AUDIO_OUT_EP
|
|
};
|
|
|
|
struct usbd_interface intf0;
|
|
struct usbd_interface intf1;
|
|
|
|
struct audio_entity_info audio_entity_table[] = {
|
|
{ .bEntityId = AUDIO_OUT_CLOCK_ID,
|
|
.bDescriptorSubtype = AUDIO_CONTROL_CLOCK_SOURCE,
|
|
.ep = AUDIO_OUT_EP },
|
|
{ .bEntityId = AUDIO_OUT_FU_ID,
|
|
.bDescriptorSubtype = AUDIO_CONTROL_FEATURE_UNIT,
|
|
.ep = AUDIO_OUT_EP },
|
|
};
|
|
|
|
void audio_v2_init(void)
|
|
{
|
|
usbd_desc_register(audio_v2_descriptor);
|
|
usbd_add_interface(usbd_audio_init_intf(&intf0, 0x0200, audio_entity_table, 2));
|
|
usbd_add_interface(usbd_audio_init_intf(&intf1, 0x0200, audio_entity_table, 2));
|
|
usbd_add_endpoint(&audio_out_ep);
|
|
|
|
usbd_initialize();
|
|
}
|
|
|
|
void audio_v2_test(void)
|
|
{
|
|
if (rx_flag) {
|
|
}
|
|
}
|