Merge remote-tracking branch 'remotes/hathach/master' into cdc_ch34x_support
This commit is contained in:
IngHK
501
src/class/cdc/cdc_device.c.bak
Normal file
501
src/class/cdc/cdc_device.c.bak
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@@ -0,0 +1,501 @@
|
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/*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2019 Ha Thach (tinyusb.org)
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*
|
||||
* This file is part of the TinyUSB stack.
|
||||
*/
|
||||
|
||||
#include "tusb_option.h"
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||||
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||||
#if (CFG_TUD_ENABLED && CFG_TUD_CDC)
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||||
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||||
#include "device/usbd.h"
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||||
#include "device/usbd_pvt.h"
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||||
|
||||
#include "cdc_device.h"
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||||
#if 0 // TODO activate and test
|
||||
#include "cdc_debug.h"
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||||
#endif
|
||||
|
||||
// Level where CFG_TUSB_DEBUG must be at least for this driver is logged
|
||||
#ifndef CFG_TUD_CDC_LOG_LEVEL
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||||
#define CFG_TUD_CDC_LOG_LEVEL CFG_TUD_LOG_LEVEL
|
||||
#endif
|
||||
|
||||
#define TU_LOG_DRV(...) TU_LOG(CFG_TUD_CDC_LOG_LEVEL, __VA_ARGS__)
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// MACRO CONSTANT TYPEDEF
|
||||
//--------------------------------------------------------------------+
|
||||
enum
|
||||
{
|
||||
BULK_PACKET_SIZE = (TUD_OPT_HIGH_SPEED ? 512 : 64)
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||||
};
|
||||
|
||||
typedef struct
|
||||
{
|
||||
uint8_t itf_num;
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||||
uint8_t ep_notif;
|
||||
uint8_t ep_in;
|
||||
uint8_t ep_out;
|
||||
|
||||
// Bit 0: DTR (Data Terminal Ready), Bit 1: RTS (Request to Send)
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uint8_t line_state;
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||||
|
||||
/*------------- From this point, data is not cleared by bus reset -------------*/
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char wanted_char;
|
||||
TU_ATTR_ALIGNED(4) cdc_line_coding_t line_coding;
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||||
|
||||
// FIFO
|
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tu_fifo_t rx_ff;
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tu_fifo_t tx_ff;
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||||
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||||
uint8_t rx_ff_buf[CFG_TUD_CDC_RX_BUFSIZE];
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||||
uint8_t tx_ff_buf[CFG_TUD_CDC_TX_BUFSIZE];
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||||
|
||||
OSAL_MUTEX_DEF(rx_ff_mutex);
|
||||
OSAL_MUTEX_DEF(tx_ff_mutex);
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|
||||
// Endpoint Transfer buffer
|
||||
CFG_TUSB_MEM_ALIGN uint8_t epout_buf[CFG_TUD_CDC_EP_BUFSIZE];
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||||
CFG_TUSB_MEM_ALIGN uint8_t epin_buf[CFG_TUD_CDC_EP_BUFSIZE];
|
||||
|
||||
}cdcd_interface_t;
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||||
|
||||
#define ITF_MEM_RESET_SIZE offsetof(cdcd_interface_t, wanted_char)
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|
||||
//--------------------------------------------------------------------+
|
||||
// INTERNAL OBJECT & FUNCTION DECLARATION
|
||||
//--------------------------------------------------------------------+
|
||||
CFG_TUD_MEM_SECTION tu_static cdcd_interface_t _cdcd_itf[CFG_TUD_CDC];
|
||||
|
||||
static bool _prep_out_transaction (cdcd_interface_t* p_cdc)
|
||||
{
|
||||
uint8_t const rhport = 0;
|
||||
uint16_t available = tu_fifo_remaining(&p_cdc->rx_ff);
|
||||
|
||||
// Prepare for incoming data but only allow what we can store in the ring buffer.
|
||||
// TODO Actually we can still carry out the transfer, keeping count of received bytes
|
||||
// and slowly move it to the FIFO when read().
|
||||
// This pre-check reduces endpoint claiming
|
||||
TU_VERIFY(available >= sizeof(p_cdc->epout_buf));
|
||||
|
||||
// claim endpoint
|
||||
TU_VERIFY(usbd_edpt_claim(rhport, p_cdc->ep_out));
|
||||
|
||||
// fifo can be changed before endpoint is claimed
|
||||
available = tu_fifo_remaining(&p_cdc->rx_ff);
|
||||
|
||||
if ( available >= sizeof(p_cdc->epout_buf) )
|
||||
{
|
||||
return usbd_edpt_xfer(rhport, p_cdc->ep_out, p_cdc->epout_buf, sizeof(p_cdc->epout_buf));
|
||||
}else
|
||||
{
|
||||
// Release endpoint since we don't make any transfer
|
||||
usbd_edpt_release(rhport, p_cdc->ep_out);
|
||||
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// APPLICATION API
|
||||
//--------------------------------------------------------------------+
|
||||
bool tud_cdc_n_connected(uint8_t itf)
|
||||
{
|
||||
// DTR (bit 0) active is considered as connected
|
||||
return tud_ready() && tu_bit_test(_cdcd_itf[itf].line_state, 0);
|
||||
}
|
||||
|
||||
uint8_t tud_cdc_n_get_line_state (uint8_t itf)
|
||||
{
|
||||
return _cdcd_itf[itf].line_state;
|
||||
}
|
||||
|
||||
void tud_cdc_n_get_line_coding (uint8_t itf, cdc_line_coding_t* coding)
|
||||
{
|
||||
(*coding) = _cdcd_itf[itf].line_coding;
|
||||
}
|
||||
|
||||
void tud_cdc_n_set_wanted_char (uint8_t itf, char wanted)
|
||||
{
|
||||
_cdcd_itf[itf].wanted_char = wanted;
|
||||
}
|
||||
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// READ API
|
||||
//--------------------------------------------------------------------+
|
||||
uint32_t tud_cdc_n_available(uint8_t itf)
|
||||
{
|
||||
return tu_fifo_count(&_cdcd_itf[itf].rx_ff);
|
||||
}
|
||||
|
||||
uint32_t tud_cdc_n_read(uint8_t itf, void* buffer, uint32_t bufsize)
|
||||
{
|
||||
cdcd_interface_t* p_cdc = &_cdcd_itf[itf];
|
||||
uint32_t num_read = tu_fifo_read_n(&p_cdc->rx_ff, buffer, (uint16_t) TU_MIN(bufsize, UINT16_MAX));
|
||||
_prep_out_transaction(p_cdc);
|
||||
return num_read;
|
||||
}
|
||||
|
||||
bool tud_cdc_n_peek(uint8_t itf, uint8_t* chr)
|
||||
{
|
||||
return tu_fifo_peek(&_cdcd_itf[itf].rx_ff, chr);
|
||||
}
|
||||
|
||||
void tud_cdc_n_read_flush (uint8_t itf)
|
||||
{
|
||||
cdcd_interface_t* p_cdc = &_cdcd_itf[itf];
|
||||
tu_fifo_clear(&p_cdc->rx_ff);
|
||||
_prep_out_transaction(p_cdc);
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// WRITE API
|
||||
//--------------------------------------------------------------------+
|
||||
uint32_t tud_cdc_n_write(uint8_t itf, void const* buffer, uint32_t bufsize)
|
||||
{
|
||||
cdcd_interface_t* p_cdc = &_cdcd_itf[itf];
|
||||
uint16_t ret = tu_fifo_write_n(&p_cdc->tx_ff, buffer, (uint16_t) TU_MIN(bufsize, UINT16_MAX));
|
||||
|
||||
// flush if queue more than packet size
|
||||
// may need to suppress -Wunreachable-code since most of the time CFG_TUD_CDC_TX_BUFSIZE < BULK_PACKET_SIZE
|
||||
if ( (tu_fifo_count(&p_cdc->tx_ff) >= BULK_PACKET_SIZE) || ((CFG_TUD_CDC_TX_BUFSIZE < BULK_PACKET_SIZE) && tu_fifo_full(&p_cdc->tx_ff)) )
|
||||
{
|
||||
tud_cdc_n_write_flush(itf);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
uint32_t tud_cdc_n_write_flush (uint8_t itf)
|
||||
{
|
||||
cdcd_interface_t* p_cdc = &_cdcd_itf[itf];
|
||||
|
||||
// Skip if usb is not ready yet
|
||||
TU_VERIFY( tud_ready(), 0 );
|
||||
|
||||
// No data to send
|
||||
if ( !tu_fifo_count(&p_cdc->tx_ff) ) return 0;
|
||||
|
||||
uint8_t const rhport = 0;
|
||||
|
||||
// Claim the endpoint
|
||||
TU_VERIFY( usbd_edpt_claim(rhport, p_cdc->ep_in), 0 );
|
||||
|
||||
// Pull data from FIFO
|
||||
uint16_t const count = tu_fifo_read_n(&p_cdc->tx_ff, p_cdc->epin_buf, sizeof(p_cdc->epin_buf));
|
||||
|
||||
if ( count )
|
||||
{
|
||||
TU_ASSERT( usbd_edpt_xfer(rhport, p_cdc->ep_in, p_cdc->epin_buf, count), 0 );
|
||||
return count;
|
||||
}else
|
||||
{
|
||||
// Release endpoint since we don't make any transfer
|
||||
// Note: data is dropped if terminal is not connected
|
||||
usbd_edpt_release(rhport, p_cdc->ep_in);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
uint32_t tud_cdc_n_write_available (uint8_t itf)
|
||||
{
|
||||
return tu_fifo_remaining(&_cdcd_itf[itf].tx_ff);
|
||||
}
|
||||
|
||||
bool tud_cdc_n_write_clear (uint8_t itf)
|
||||
{
|
||||
return tu_fifo_clear(&_cdcd_itf[itf].tx_ff);
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// USBD Driver API
|
||||
//--------------------------------------------------------------------+
|
||||
void cdcd_init(void)
|
||||
{
|
||||
tu_memclr(_cdcd_itf, sizeof(_cdcd_itf));
|
||||
|
||||
for(uint8_t i=0; i<CFG_TUD_CDC; i++)
|
||||
{
|
||||
cdcd_interface_t* p_cdc = &_cdcd_itf[i];
|
||||
|
||||
p_cdc->wanted_char = (char) -1;
|
||||
|
||||
// default line coding is : stop bit = 1, parity = none, data bits = 8
|
||||
p_cdc->line_coding.bit_rate = 115200;
|
||||
p_cdc->line_coding.stop_bits = 0;
|
||||
p_cdc->line_coding.parity = 0;
|
||||
p_cdc->line_coding.data_bits = 8;
|
||||
|
||||
// Config RX fifo
|
||||
tu_fifo_config(&p_cdc->rx_ff, p_cdc->rx_ff_buf, TU_ARRAY_SIZE(p_cdc->rx_ff_buf), 1, false);
|
||||
|
||||
// Config TX fifo as overwritable at initialization and will be changed to non-overwritable
|
||||
// if terminal supports DTR bit. Without DTR we do not know if data is actually polled by terminal.
|
||||
// In this way, the most current data is prioritized.
|
||||
tu_fifo_config(&p_cdc->tx_ff, p_cdc->tx_ff_buf, TU_ARRAY_SIZE(p_cdc->tx_ff_buf), 1, true);
|
||||
|
||||
tu_fifo_config_mutex(&p_cdc->rx_ff, NULL, osal_mutex_create(&p_cdc->rx_ff_mutex));
|
||||
tu_fifo_config_mutex(&p_cdc->tx_ff, osal_mutex_create(&p_cdc->tx_ff_mutex), NULL);
|
||||
}
|
||||
}
|
||||
|
||||
void cdcd_reset(uint8_t rhport)
|
||||
{
|
||||
(void) rhport;
|
||||
|
||||
for(uint8_t i=0; i<CFG_TUD_CDC; i++)
|
||||
{
|
||||
cdcd_interface_t* p_cdc = &_cdcd_itf[i];
|
||||
|
||||
tu_memclr(p_cdc, ITF_MEM_RESET_SIZE);
|
||||
tu_fifo_clear(&p_cdc->rx_ff);
|
||||
tu_fifo_clear(&p_cdc->tx_ff);
|
||||
tu_fifo_set_overwritable(&p_cdc->tx_ff, true);
|
||||
}
|
||||
}
|
||||
|
||||
uint16_t cdcd_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t max_len)
|
||||
{
|
||||
// Only support ACM subclass
|
||||
TU_VERIFY( TUSB_CLASS_CDC == itf_desc->bInterfaceClass &&
|
||||
CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL == itf_desc->bInterfaceSubClass, 0);
|
||||
|
||||
// Find available interface
|
||||
cdcd_interface_t * p_cdc = NULL;
|
||||
for(uint8_t cdc_id=0; cdc_id<CFG_TUD_CDC; cdc_id++)
|
||||
{
|
||||
if ( _cdcd_itf[cdc_id].ep_in == 0 )
|
||||
{
|
||||
p_cdc = &_cdcd_itf[cdc_id];
|
||||
break;
|
||||
}
|
||||
}
|
||||
TU_ASSERT(p_cdc, 0);
|
||||
|
||||
//------------- Control Interface -------------//
|
||||
p_cdc->itf_num = itf_desc->bInterfaceNumber;
|
||||
|
||||
uint16_t drv_len = sizeof(tusb_desc_interface_t);
|
||||
uint8_t const * p_desc = tu_desc_next( itf_desc );
|
||||
|
||||
// Communication Functional Descriptors
|
||||
while ( TUSB_DESC_CS_INTERFACE == tu_desc_type(p_desc) && drv_len <= max_len )
|
||||
{
|
||||
drv_len += tu_desc_len(p_desc);
|
||||
p_desc = tu_desc_next(p_desc);
|
||||
}
|
||||
|
||||
if ( TUSB_DESC_ENDPOINT == tu_desc_type(p_desc) )
|
||||
{
|
||||
// notification endpoint
|
||||
tusb_desc_endpoint_t const * desc_ep = (tusb_desc_endpoint_t const *) p_desc;
|
||||
|
||||
TU_ASSERT( usbd_edpt_open(rhport, desc_ep), 0 );
|
||||
p_cdc->ep_notif = desc_ep->bEndpointAddress;
|
||||
|
||||
drv_len += tu_desc_len(p_desc);
|
||||
p_desc = tu_desc_next(p_desc);
|
||||
}
|
||||
|
||||
//------------- Data Interface (if any) -------------//
|
||||
if ( (TUSB_DESC_INTERFACE == tu_desc_type(p_desc)) &&
|
||||
(TUSB_CLASS_CDC_DATA == ((tusb_desc_interface_t const *) p_desc)->bInterfaceClass) )
|
||||
{
|
||||
// next to endpoint descriptor
|
||||
drv_len += tu_desc_len(p_desc);
|
||||
p_desc = tu_desc_next(p_desc);
|
||||
|
||||
// Open endpoint pair
|
||||
TU_ASSERT( usbd_open_edpt_pair(rhport, p_desc, 2, TUSB_XFER_BULK, &p_cdc->ep_out, &p_cdc->ep_in), 0 );
|
||||
|
||||
drv_len += 2*sizeof(tusb_desc_endpoint_t);
|
||||
}
|
||||
|
||||
// Prepare for incoming data
|
||||
_prep_out_transaction(p_cdc);
|
||||
|
||||
return drv_len;
|
||||
}
|
||||
|
||||
// Invoked when a control transfer occurred on an interface of this class
|
||||
// Driver response accordingly to the request and the transfer stage (setup/data/ack)
|
||||
// return false to stall control endpoint (e.g unsupported request)
|
||||
bool cdcd_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request)
|
||||
{
|
||||
// Handle class request only
|
||||
TU_VERIFY(request->bmRequestType_bit.type == TUSB_REQ_TYPE_CLASS);
|
||||
|
||||
uint8_t itf = 0;
|
||||
cdcd_interface_t* p_cdc = _cdcd_itf;
|
||||
|
||||
// Identify which interface to use
|
||||
for ( ; ; itf++, p_cdc++)
|
||||
{
|
||||
if (itf >= TU_ARRAY_SIZE(_cdcd_itf)) return false;
|
||||
|
||||
if ( p_cdc->itf_num == request->wIndex ) break;
|
||||
}
|
||||
|
||||
switch ( request->bRequest )
|
||||
{
|
||||
case CDC_REQUEST_SET_LINE_CODING:
|
||||
if (stage == CONTROL_STAGE_SETUP)
|
||||
{
|
||||
#if 0 // TODO activate and test
|
||||
TU_LOG_LINE_CODING(" Set ", p_cdc->line_coding);
|
||||
#else
|
||||
TU_LOG_DRV(" Set Line Coding\r\n");
|
||||
#endif
|
||||
tud_control_xfer(rhport, request, &p_cdc->line_coding, sizeof(cdc_line_coding_t));
|
||||
}
|
||||
else if ( stage == CONTROL_STAGE_ACK)
|
||||
{
|
||||
if ( tud_cdc_line_coding_cb ) tud_cdc_line_coding_cb(itf, &p_cdc->line_coding);
|
||||
}
|
||||
break;
|
||||
|
||||
case CDC_REQUEST_GET_LINE_CODING:
|
||||
if (stage == CONTROL_STAGE_SETUP)
|
||||
{
|
||||
#if 0 // TODO activate and test
|
||||
TU_LOG_LINE_CODING(" Get ", p_cdc->line_coding);
|
||||
#else
|
||||
TU_LOG_DRV(" Get Line Coding\r\n");
|
||||
#endif
|
||||
tud_control_xfer(rhport, request, &p_cdc->line_coding, sizeof(cdc_line_coding_t));
|
||||
}
|
||||
break;
|
||||
|
||||
case CDC_REQUEST_SET_CONTROL_LINE_STATE:
|
||||
if (stage == CONTROL_STAGE_SETUP)
|
||||
{
|
||||
tud_control_status(rhport, request);
|
||||
}
|
||||
else if (stage == CONTROL_STAGE_ACK)
|
||||
{
|
||||
// CDC PSTN v1.2 section 6.3.12
|
||||
// Bit 0: Indicates if DTE is present or not.
|
||||
// This signal corresponds to V.24 signal 108/2 and RS-232 signal DTR (Data Terminal Ready)
|
||||
// Bit 1: Carrier control for half-duplex modems.
|
||||
// This signal corresponds to V.24 signal 105 and RS-232 signal RTS (Request to Send)
|
||||
bool const dtr = tu_bit_test(request->wValue, 0);
|
||||
bool const rts = tu_bit_test(request->wValue, 1);
|
||||
|
||||
p_cdc->line_state = (uint8_t) request->wValue;
|
||||
|
||||
// Disable fifo overwriting if DTR bit is set
|
||||
tu_fifo_set_overwritable(&p_cdc->tx_ff, !dtr);
|
||||
|
||||
TU_LOG_DRV(" Set Control Line State: DTR = %d, RTS = %d\r\n", dtr, rts);
|
||||
|
||||
// Invoke callback
|
||||
if ( tud_cdc_line_state_cb ) tud_cdc_line_state_cb(itf, dtr, rts);
|
||||
}
|
||||
break;
|
||||
case CDC_REQUEST_SEND_BREAK:
|
||||
if (stage == CONTROL_STAGE_SETUP)
|
||||
{
|
||||
tud_control_status(rhport, request);
|
||||
}
|
||||
else if (stage == CONTROL_STAGE_ACK)
|
||||
{
|
||||
TU_LOG_DRV(" Send Break\r\n");
|
||||
if ( tud_cdc_send_break_cb ) tud_cdc_send_break_cb(itf, request->wValue);
|
||||
}
|
||||
break;
|
||||
|
||||
default: return false; // stall unsupported request
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes)
|
||||
{
|
||||
(void) result;
|
||||
|
||||
uint8_t itf;
|
||||
cdcd_interface_t* p_cdc;
|
||||
|
||||
// Identify which interface to use
|
||||
for (itf = 0; itf < CFG_TUD_CDC; itf++)
|
||||
{
|
||||
p_cdc = &_cdcd_itf[itf];
|
||||
if ( ( ep_addr == p_cdc->ep_out ) || ( ep_addr == p_cdc->ep_in ) ) break;
|
||||
}
|
||||
TU_ASSERT(itf < CFG_TUD_CDC);
|
||||
|
||||
// Received new data
|
||||
if ( ep_addr == p_cdc->ep_out )
|
||||
{
|
||||
tu_fifo_write_n(&p_cdc->rx_ff, p_cdc->epout_buf, (uint16_t) xferred_bytes);
|
||||
|
||||
// Check for wanted char and invoke callback if needed
|
||||
if ( tud_cdc_rx_wanted_cb && (((signed char) p_cdc->wanted_char) != -1) )
|
||||
{
|
||||
for ( uint32_t i = 0; i < xferred_bytes; i++ )
|
||||
{
|
||||
if ( (p_cdc->wanted_char == p_cdc->epout_buf[i]) && !tu_fifo_empty(&p_cdc->rx_ff) )
|
||||
{
|
||||
tud_cdc_rx_wanted_cb(itf, p_cdc->wanted_char);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// invoke receive callback (if there is still data)
|
||||
if (tud_cdc_rx_cb && !tu_fifo_empty(&p_cdc->rx_ff) ) tud_cdc_rx_cb(itf);
|
||||
|
||||
// prepare for OUT transaction
|
||||
_prep_out_transaction(p_cdc);
|
||||
}
|
||||
|
||||
// Data sent to host, we continue to fetch from tx fifo to send.
|
||||
// Note: This will cause incorrect baudrate set in line coding.
|
||||
// Though maybe the baudrate is not really important !!!
|
||||
if ( ep_addr == p_cdc->ep_in )
|
||||
{
|
||||
// invoke transmit callback to possibly refill tx fifo
|
||||
if ( tud_cdc_tx_complete_cb ) tud_cdc_tx_complete_cb(itf);
|
||||
|
||||
if ( 0 == tud_cdc_n_write_flush(itf) )
|
||||
{
|
||||
// If there is no data left, a ZLP should be sent if
|
||||
// xferred_bytes is multiple of EP Packet size and not zero
|
||||
if ( !tu_fifo_count(&p_cdc->tx_ff) && xferred_bytes && (0 == (xferred_bytes & (BULK_PACKET_SIZE-1))) )
|
||||
{
|
||||
if ( usbd_edpt_claim(rhport, p_cdc->ep_in) )
|
||||
{
|
||||
usbd_edpt_xfer(rhport, p_cdc->ep_in, NULL, 0);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// nothing to do with notif endpoint for now
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user