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Added CDC_Device_Flush() command to the CDC Device mode class driver.

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Minor updates to the unfinished SideShow demo for clarity.

Added unfinished MassStorageHost class driver demo.
This commit is contained in:
Dean Camera 2009-08-13 06:43:17 +00:00
parent df29aa37c0
commit df5500e81c
18 changed files with 2733 additions and 49 deletions
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32
LUFA/Drivers/USB/Class/Device/CDC.c
View file

@ -115,21 +115,10 @@ bool CDC_Device_ConfigureEndpoints(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
{
if (USB_DeviceState != DEVICE_STATE_Configured)
if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
return;
Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);
if (!(Endpoint_BytesInEndpoint()))
return;
if (!(Endpoint_IsReadWriteAllowed()))
{
Endpoint_ClearIN();
Endpoint_WaitUntilReady();
}
Endpoint_ClearIN();
CDC_Device_Flush(CDCInterfaceInfo);
}
void CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, char* const Data, const uint16_t Length)
@ -157,6 +146,23 @@ void CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, con
Endpoint_Write_Byte(Data);
}
void CDC_Device_Flush(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
{
if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
return;
Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);
if (Endpoint_BytesInEndpoint())
{
Endpoint_ClearIN();
Endpoint_WaitUntilReady();
}
Endpoint_ClearIN();
Endpoint_WaitUntilReady();
}
uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
{
Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);

6
LUFA/Drivers/USB/Class/Device/CDC.h
View file

@ -185,6 +185,12 @@
*/
uint8_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);
/** Flushes any data waiting to be sent, ensuring that the send buffer is cleared.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
*/
void CDC_Device_Flush(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);
/** Sends a Serial Control Line State Change notification to the host. This should be called when the virtual serial
* control lines (DCD, DSR, etc.) have changed states, or to give BREAK notfications to the host. Line states persist
* until they are cleared via a second notification. This should be called each time the CDC class driver's