211 lines
6.4 KiB
C
211 lines
6.4 KiB
C
/*
|
|
* Copyright (c) 2024, sakumisu
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
#include "usbd_core.h"
|
|
#include "usbd_cdc.h"
|
|
|
|
/*!< endpoint address */
|
|
#define CDC_IN_EP 0x81
|
|
#define CDC_OUT_EP 0x02
|
|
#define CDC_INT_EP 0x83
|
|
|
|
#define USBD_VID 0xFFFF
|
|
#define USBD_PID 0xFFFF
|
|
#define USBD_MAX_POWER 100
|
|
#define USBD_LANGID_STRING 1033
|
|
|
|
/*!< config descriptor size */
|
|
#define USB_CONFIG_SIZE (9 + CDC_ACM_DESCRIPTOR_LEN)
|
|
|
|
#ifdef CONFIG_USB_HS
|
|
#define CDC_MAX_MPS 512
|
|
#else
|
|
#define CDC_MAX_MPS 64
|
|
#endif
|
|
|
|
/*!< global descriptor */
|
|
static const uint8_t cdc_descriptor[] = {
|
|
USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0xEF, 0x02, 0x01, USBD_VID, USBD_PID, 0x0100, 0x01),
|
|
USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
|
|
CDC_ACM_DESCRIPTOR_INIT(0x00, CDC_INT_EP, CDC_OUT_EP, CDC_IN_EP, CDC_MAX_MPS, 0x02),
|
|
///////////////////////////////////////
|
|
/// 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 */
|
|
'C', 0x00, /* wcChar10 */
|
|
'D', 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 */
|
|
'2', 0x00, /* wcChar3 */
|
|
'1', 0x00, /* wcChar4 */
|
|
'2', 0x00, /* wcChar5 */
|
|
'3', 0x00, /* wcChar6 */
|
|
'4', 0x00, /* wcChar7 */
|
|
'5', 0x00, /* wcChar8 */
|
|
'6', 0x00, /* wcChar9 */
|
|
#ifdef CONFIG_USB_HS
|
|
///////////////////////////////////////
|
|
/// device qualifier descriptor
|
|
///////////////////////////////////////
|
|
0x0a,
|
|
USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
|
|
0x00,
|
|
0x02,
|
|
0x02,
|
|
0x02,
|
|
0x01,
|
|
0x40,
|
|
0x01,
|
|
0x00,
|
|
#endif
|
|
0x00
|
|
};
|
|
|
|
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t read_buffer[2048]; /* 2048 is only for test speed , please use CDC_MAX_MPS for common*/
|
|
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t write_buffer[2048];
|
|
|
|
volatile bool ep_tx_busy_flag = false;
|
|
|
|
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:
|
|
ep_tx_busy_flag = false;
|
|
/* setup first out ep read transfer */
|
|
usbd_ep_start_read(busid, CDC_OUT_EP, read_buffer, 2048);
|
|
break;
|
|
case USBD_EVENT_SET_REMOTE_WAKEUP:
|
|
break;
|
|
case USBD_EVENT_CLR_REMOTE_WAKEUP:
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void usbd_cdc_acm_bulk_out(uint8_t busid, uint8_t ep, uint32_t nbytes)
|
|
{
|
|
USB_LOG_RAW("actual out len:%d\r\n", nbytes);
|
|
// for (int i = 0; i < 100; i++) {
|
|
// printf("%02x ", read_buffer[i]);
|
|
// }
|
|
// printf("\r\n");
|
|
/* setup next out ep read transfer */
|
|
usbd_ep_start_read(busid, CDC_OUT_EP, read_buffer, 2048);
|
|
}
|
|
|
|
void usbd_cdc_acm_bulk_in(uint8_t busid, uint8_t ep, uint32_t nbytes)
|
|
{
|
|
USB_LOG_RAW("actual in len:%d\r\n", nbytes);
|
|
|
|
if ((nbytes % usbd_get_ep_mps(busid, ep)) == 0 && nbytes) {
|
|
/* send zlp */
|
|
usbd_ep_start_write(busid, CDC_IN_EP, NULL, 0);
|
|
} else {
|
|
ep_tx_busy_flag = false;
|
|
}
|
|
}
|
|
|
|
/*!< endpoint call back */
|
|
struct usbd_endpoint cdc_out_ep = {
|
|
.ep_addr = CDC_OUT_EP,
|
|
.ep_cb = usbd_cdc_acm_bulk_out
|
|
};
|
|
|
|
struct usbd_endpoint cdc_in_ep = {
|
|
.ep_addr = CDC_IN_EP,
|
|
.ep_cb = usbd_cdc_acm_bulk_in
|
|
};
|
|
|
|
static struct usbd_interface intf0;
|
|
static struct usbd_interface intf1;
|
|
|
|
void cdc_acm_init(uint8_t busid, uint32_t reg_base)
|
|
{
|
|
const uint8_t data[10] = { 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x30 };
|
|
|
|
memcpy(&write_buffer[0], data, 10);
|
|
memset(&write_buffer[10], 'a', 2038);
|
|
|
|
usbd_desc_register(busid, cdc_descriptor);
|
|
usbd_add_interface(busid, usbd_cdc_acm_init_intf(busid, &intf0));
|
|
usbd_add_interface(busid, usbd_cdc_acm_init_intf(busid, &intf1));
|
|
usbd_add_endpoint(busid, &cdc_out_ep);
|
|
usbd_add_endpoint(busid, &cdc_in_ep);
|
|
usbd_initialize(busid, reg_base, usbd_event_handler);
|
|
}
|
|
|
|
volatile uint8_t dtr_enable = 0;
|
|
|
|
void usbd_cdc_acm_set_dtr(uint8_t busid, uint8_t intf, bool dtr)
|
|
{
|
|
if (dtr) {
|
|
dtr_enable = 1;
|
|
} else {
|
|
dtr_enable = 0;
|
|
}
|
|
}
|
|
|
|
void cdc_acm_data_send_with_dtr_test(uint8_t busid)
|
|
{
|
|
if (dtr_enable) {
|
|
ep_tx_busy_flag = true;
|
|
usbd_ep_start_write(busid, CDC_IN_EP, write_buffer, 2048);
|
|
while (ep_tx_busy_flag) {
|
|
}
|
|
}
|
|
} |