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use _usbd_ctrl_buf for control transferm refactor cdc device

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This commit is contained in:
hathach
2018-07-14 15:12:42 +07:00
parent 7a1f40593f
commit e0c4e11ea3
5 changed files with 68 additions and 70 deletions
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6
src/device/usbd.c
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@@ -334,8 +334,7 @@ static tusb_error_t proc_control_request_st(uint8_t rhport, tusb_control_request
if ( len )
{
STASK_ASSERT( len <= CFG_TUD_CTRL_BUFSIZE );
memcpy(_usbd_ctrl_buf, buffer, len);
usbd_control_xfer_st(rhport, p_request->bmRequestType_bit.direction, _usbd_ctrl_buf, len );
usbd_control_xfer_st(rhport, p_request->bmRequestType_bit.direction, buffer, len );
}else
{
dcd_control_stall(rhport); // stall unsupported descriptor
@@ -343,8 +342,7 @@ static tusb_error_t proc_control_request_st(uint8_t rhport, tusb_control_request
}
else if (TUSB_REQ_GET_CONFIGURATION == p_request->bRequest )
{
memcpy(_usbd_ctrl_buf, &_usbd_dev.config_num, 1);
usbd_control_xfer_st(rhport, p_request->bmRequestType_bit.direction, _usbd_ctrl_buf, 1);
usbd_control_xfer_st(rhport, p_request->bmRequestType_bit.direction, &_usbd_dev.config_num, 1);
}
else if ( TUSB_REQ_SET_ADDRESS == p_request->bRequest )
{