3 Copyright (C) Dean Camera, 2011.
5 dean [at] fourwalledcubicle [dot] com
10 Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
12 Permission to use, copy, modify, distribute, and sell this
13 software and its documentation for any purpose is hereby granted
14 without fee, provided that the above copyright notice appear in
15 all copies and that both that the copyright notice and this
16 permission notice and warranty disclaimer appear in supporting
17 documentation, and that the name of the author not be used in
18 advertising or publicity pertaining to distribution of the
19 software without specific, written prior permission.
21 The author disclaim all warranties with regard to this
22 software, including all implied warranties of merchantability
23 and fitness. In no event shall the author be liable for any
24 special, indirect or consequential damages or any damages
25 whatsoever resulting from loss of use, data or profits, whether
26 in an action of contract, negligence or other tortious action,
27 arising out of or in connection with the use or performance of
31 #define __INCLUDE_FROM_USB_DRIVER
32 #include "../USBMode.h"
34 #if defined(USB_CAN_BE_HOST)
38 uint8_t USB_Host_ControlPipeSize
= PIPE_CONTROLPIPE_DEFAULT_SIZE
;
40 bool Pipe_ConfigurePipe(const uint8_t Number
,
43 const uint8_t EndpointNumber
,
47 #if defined(ORDERED_EP_CONFIG)
48 Pipe_SelectPipe(Number
);
53 UPCFG0X
= ((Type
<< EPTYPE0
) | Token
| ((EndpointNumber
& PIPE_EPNUM_MASK
) << PEPNUM0
));
54 UPCFG1X
= ((1 << ALLOC
) | Banks
| Pipe_BytesToEPSizeMask(Size
));
56 Pipe_SetInfiniteINRequests();
58 return Pipe_IsConfigured();
60 for (uint8_t PNum
= Number
; PNum
< PIPE_TOTAL_PIPES
; PNum
++)
67 Pipe_SelectPipe(PNum
);
71 UPCFG0XTemp
= ((Type
<< EPTYPE0
) | Token
| ((EndpointNumber
& PIPE_EPNUM_MASK
) << PEPNUM0
));
72 UPCFG1XTemp
= ((1 << ALLOC
) | Banks
| Pipe_BytesToEPSizeMask(Size
));
78 UPCFG0XTemp
= UPCFG0X
;
79 UPCFG1XTemp
= UPCFG1X
;
80 UPCFG2XTemp
= UPCFG2X
;
84 if (!(UPCFG1XTemp
& (1 << ALLOC
)))
88 UPCFG1X
&= ~(1 << ALLOC
);
91 UPCFG0X
= UPCFG0XTemp
;
92 UPCFG1X
= UPCFG1XTemp
;
93 UPCFG2X
= UPCFG2XTemp
;
96 Pipe_SetInfiniteINRequests();
98 if (!(Pipe_IsConfigured()))
102 Pipe_SelectPipe(Number
);
107 void Pipe_ClearPipes(void)
111 for (uint8_t PNum
= 0; PNum
< PIPE_TOTAL_PIPES
; PNum
++)
113 Pipe_SelectPipe(PNum
);
121 bool Pipe_IsEndpointBound(const uint8_t EndpointAddress
)
123 uint8_t PrevPipeNumber
= Pipe_GetCurrentPipe();
125 for (uint8_t PNum
= 0; PNum
< PIPE_TOTAL_PIPES
; PNum
++)
127 Pipe_SelectPipe(PNum
);
129 if (!(Pipe_IsConfigured()))
132 if (Pipe_GetBoundEndpointAddress() == EndpointAddress
)
136 Pipe_SelectPipe(PrevPipeNumber
);
140 uint8_t Pipe_WaitUntilReady(void)
142 #if (USB_STREAM_TIMEOUT_MS < 0xFF)
143 uint8_t TimeoutMSRem
= USB_STREAM_TIMEOUT_MS
;
145 uint16_t TimeoutMSRem
= USB_STREAM_TIMEOUT_MS
;
148 uint16_t PreviousFrameNumber
= USB_Host_GetFrameNumber();
152 if (Pipe_GetPipeToken() == PIPE_TOKEN_IN
)
154 if (Pipe_IsINReceived())
155 return PIPE_READYWAIT_NoError
;
159 if (Pipe_IsOUTReady())
160 return PIPE_READYWAIT_NoError
;
163 if (Pipe_IsStalled())
164 return PIPE_READYWAIT_PipeStalled
;
165 else if (USB_HostState
== HOST_STATE_Unattached
)
166 return PIPE_READYWAIT_DeviceDisconnected
;
168 uint16_t CurrentFrameNumber
= USB_Host_GetFrameNumber();
170 if (CurrentFrameNumber
!= PreviousFrameNumber
)
172 PreviousFrameNumber
= CurrentFrameNumber
;
174 if (!(TimeoutMSRem
--))
175 return PIPE_READYWAIT_Timeout
;