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Added new PRNT_Host_BytesReceived() and PRNT_Host_ReceiveByte() functions to the Print Host Class driver.

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This commit is contained in:
Dean Camera 2010-09-07 03:38:11 +00:00
parent 6e011f88d9
commit 7aaf9b2036
6 changed files with 99 additions and 19 deletions
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67
LUFA/Drivers/USB/Class/Host/Printer.c
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@ -182,9 +182,9 @@ uint8_t PRNT_Host_SoftReset(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
return USB_Host_SendControlRequest(NULL);
}
uint8_t PRNT_Host_SendData(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
void* PrinterCommands,
const uint16_t CommandSize)
uint8_t PRNT_Host_SendString(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
void* Buffer,
const uint16_t Length)
{
uint8_t ErrorCode;
@ -194,19 +194,70 @@ uint8_t PRNT_Host_SendData(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataOUTPipeNumber);
Pipe_Unfreeze();
if ((ErrorCode = Pipe_Write_Stream_LE(PrinterCommands, CommandSize, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
if ((ErrorCode = Pipe_Write_Stream_LE(Buffer, Length, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
Pipe_ClearOUT();
while (!(Pipe_IsOUTReady()))
ErrorCode = Pipe_WaitUntilReady();
Pipe_Freeze();
return ErrorCode;
}
uint16_t PRNT_Host_BytesReceived(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
return 0;
Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataINPipeNumber);
Pipe_Unfreeze();
if (Pipe_IsINReceived())
{
if (USB_HostState == HOST_STATE_Unattached)
return PIPE_RWSTREAM_DeviceDisconnected;
if (!(Pipe_BytesInPipe()))
{
Pipe_ClearIN();
Pipe_Freeze();
return 0;
}
else
{
Pipe_Freeze();
return Pipe_BytesInPipe();
}
}
else
{
Pipe_Freeze();
return 0;
}
}
int16_t PRNT_Host_ReceiveByte(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
int16_t ReceivedByte = -1;
Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataINPipeNumber);
Pipe_Unfreeze();
if (Pipe_IsINReceived())
{
if (Pipe_BytesInPipe())
ReceivedByte = Pipe_Read_Byte();
if (!(Pipe_BytesInPipe()))
Pipe_ClearIN();
}
Pipe_Freeze();
return PIPE_RWSTREAM_NoError;
return ReceivedByte;
}
uint8_t PRNT_Host_GetDeviceID(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,