diff options
Diffstat (limited to 'stm/stmusbd/usbd_cdc_vcp.c')
| -rw-r--r-- | stm/stmusbd/usbd_cdc_vcp.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/stm/stmusbd/usbd_cdc_vcp.c b/stm/stmusbd/usbd_cdc_vcp.c index fc2bbc458..6885f7cff 100644 --- a/stm/stmusbd/usbd_cdc_vcp.c +++ b/stm/stmusbd/usbd_cdc_vcp.c @@ -62,6 +62,8 @@ static uint16_t VCP_Ctrl (uint32_t Cmd, uint8_t* Buf, uint32_t Len); static uint16_t VCP_DataTx (const uint8_t* Buf, uint32_t Len);
static uint16_t VCP_DataRx (uint8_t* Buf, uint32_t Len);
+extern int dev_is_connected;
+
CDC_IF_Prop_TypeDef VCP_fops =
{
VCP_Init,
@@ -158,7 +160,7 @@ static uint16_t VCP_Ctrl (uint32_t Cmd, uint8_t* Buf, uint32_t Len) break;
case SET_CONTROL_LINE_STATE:
- /* Not needed for this driver */
+ dev_is_connected = Len & 0x1; //wValue passed in Len
break;
case SEND_BREAK:
|