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luban-lite-t3e-pro/packages/third-party/cherryusb/demo/midi_template.c

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v1.0.4
2024-04-03 16:40:57 +08:00
/*
* Copyright (c) 2024, ArtInChip Technology Co., Ltd
*
* SPDX-License-Identifier: Apache-2.0
*
* Authors: xindong.hu@artinchip.com
*/
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#include "usbd_core.h"
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#include "../class/midi/usbd_midi.h"
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#define MIDI_OUT_EP 0x02
#define MIDI_IN_EP 0x81
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#define USBD_VID 0x33C3
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#define USBD_PID 0x0404
#define USBD_MAX_POWER 100
#define USBD_LANGID_STRING 1033
#define USB_CONFIG_SIZE (9 + 9 + 9 + 9 + 7 + MIDI_SIZEOF_JACK_DESC + 9 + 5 + 9 + 5)
#ifdef CONFIG_USB_HS
#define MIDI_EP_MPS 512
#else
#define MIDI_EP_MPS 64
#endif
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#define MIDI_OUT_PACKET 4
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t read_buffer[MIDI_OUT_PACKET];
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t write_buffer[MIDI_OUT_PACKET];
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const uint8_t midi_descriptor[] = {
USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0100, 0x01),
USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
// Standard AC Interface Descriptor
0x09,
0x04,
0x00,
0x00,
0x00,
0x01,
0x01,
0x00,
0x00,
// Class-specific AC Interface Descriptor
0x09,
0x24,
0x01,
0x00,
0x01,
0x09,
0x00,
0x01,
0x01,
// MIDIStreaming Interface Descriptors
0x09,
0x04,
0x01,
0x00,
0x02,
0x01,
0x03,
0x00,
0x00,
// Class-Specific MS Interface Header Descriptor
0x07,
0x24,
0x01,
0x00,
0x01,
WBVAL(65),
MIDI_JACK_DESCRIPTOR_INIT(0x01),
// OUT endpoint descriptor
0x09, 0x05, MIDI_OUT_EP, 0x02, WBVAL(MIDI_EP_MPS), 0x00, 0x00, 0x00,
0x05, 0x25, 0x01, 0x01, 0x01,
// IN endpoint descriptor
0x09, 0x05, MIDI_IN_EP, 0x02, WBVAL(MIDI_EP_MPS), 0x00, 0x00, 0x00,
0x05, 0x25, 0x01, 0x01, 0x03,
///////////////////////////////////////
/// 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
///////////////////////////////////////
0x28, /* 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 */
'M', 0x00, /* wcChar10 */
'I', 0x00, /* wcChar11 */
'D', 0x00, /* wcChar12 */
'I', 0x00, /* wcChar13 */
' ', 0x00, /* wcChar14 */
'D', 0x00, /* wcChar15 */
'E', 0x00, /* wcChar16 */
'M', 0x00, /* wcChar17 */
'O', 0x00, /* wcChar18 */
///////////////////////////////////////
/// 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 */
'0', 0x00, /* wcChar9 */
#ifdef CONFIG_USB_HS
///////////////////////////////////////
/// device qualifier descriptor
///////////////////////////////////////
0x0a,
USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
0x00,
0x02,
0x02,
0x02,
0x01,
0x40,
0x01,
0x00,
#endif
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///////////////////////////////////////
/// Other Speed Configuration Descriptor
///////////////////////////////////////
0x09,
USB_DESCRIPTOR_TYPE_OTHER_SPEED,
WBVAL(USB_CONFIG_SIZE),
0x02,
0x01,
0x00,
0x80,
USB_CONFIG_POWER_MA(100),
// Standard AC Interface Descriptor
0x09,
0x04,
0x00,
0x00,
0x00,
0x01,
0x01,
0x00,
0x00,
// Class-specific AC Interface Descriptor
0x09,
0x24,
0x01,
0x00,
0x01,
0x09,
0x00,
0x01,
0x01,
// MIDIStreaming Interface Descriptors
0x09,
0x04,
0x01,
0x00,
0x02,
0x01,
0x03,
0x00,
0x00,
// Class-Specific MS Interface Header Descriptor
0x07,
0x24,
0x01,
0x00,
0x01,
WBVAL(65),
MIDI_JACK_DESCRIPTOR_INIT(0x01),
// OUT endpoint descriptor
0x09, 0x05, MIDI_OUT_EP, 0x02, WBVAL(MIDI_EP_MPS), 0x00, 0x00, 0x00,
0x05, 0x25, 0x01, 0x01, 0x01,
// IN endpoint descriptor
0x09, 0x05, MIDI_IN_EP, 0x02, WBVAL(MIDI_EP_MPS), 0x00, 0x00, 0x00,
0x05, 0x25, 0x01, 0x01, 0x03,
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0x00
};
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/********************************************************************************
* @function : usbd_midi_input_buffer
* @parameters ： data: This data is the midi streaming input to the master device
* @return: if run success,return 0
* @Description: This function is a customer-defined function
********************************************************************************/
int usbd_midi_input_buffer(uint8_t *data)
{
return 0;
}
/********************************************************************************
* @function : usbd_ms_decoder
* @parameters ： data: This data is undecoderd,need decoder
* @return: if run success,return 0
* @Description: This function is a customer-defined function
********************************************************************************/
int usbd_ms_decoder(uint8_t *data)
{
return 0;
}
void usbd_clear_buffer(void)
{
static uint8_t reset_num = 1;
if (reset_num++>2) {
USB_LOG_INFO("usbd_clear_buffer\r\n");
memset(read_buffer, 0, MIDI_OUT_PACKET);
memset(write_buffer, 0, MIDI_OUT_PACKET);
}
}
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void usbd_event_handler(uint8_t event)
{
switch (event) {
case USBD_EVENT_RESET:
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usbd_clear_buffer();
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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_midi_bulk_out(uint8_t ep, uint32_t nbytes)
{
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if (usbd_ms_decoder(read_buffer)) {
USB_LOG_ERR("midi streaming decoder fail!\r\n");
return;
}
usbd_ep_start_read(MIDI_OUT_EP, read_buffer, MIDI_OUT_PACKET);
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}
void usbd_midi_bulk_in(uint8_t ep, uint32_t nbytes)
{
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if (usbd_midi_input_buffer(write_buffer)) {
USB_LOG_ERR("midi input buffer fail!\r\n");
return;
}
usbd_ep_start_write(MIDI_IN_EP, write_buffer, MIDI_OUT_PACKET);
}
void usbd_midi_open(void)
{
usbd_ep_start_read(MIDI_OUT_EP, read_buffer, MIDI_OUT_PACKET);
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}
struct usbd_interface intf0;
struct usbd_interface intf1;
struct usbd_endpoint midi_out_ep = {
.ep_addr = MIDI_OUT_EP,
.ep_cb = usbd_midi_bulk_out
};
struct usbd_endpoint midi_in_ep = {
.ep_addr = MIDI_IN_EP,
.ep_cb = usbd_midi_bulk_in
};
void midi_init(void)
{
usbd_desc_register(midi_descriptor);
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usbd_add_interface(usbd_midi_init_intf(&intf0));
usbd_add_interface(usbd_midi_init_intf(&intf1));
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usbd_add_endpoint(&midi_out_ep);
usbd_add_endpoint(&midi_in_ep);
usbd_initialize();
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}
#if defined(KERNEL_RTTHREAD)
#include <rtthread.h>
#include <rtdevice.h>
int usbd_midi_init(void)
{
midi_init();
return 0;
}
INIT_DEVICE_EXPORT(usbd_midi_init);
#endif
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