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| author | Håvard Espeland <gus@ping.uio.no> | 2011-02-05 19:26:39 +0100 |
|---|---|---|
| committer | Håvard Espeland <gus@ping.uio.no> | 2011-02-05 19:26:39 +0100 |
| commit | 237ea87c4fcb4865863fc15e07e179323caa7881 (patch) | |
| tree | 335e30779a31862aaed984b058db3599a5df33e1 /LUFA/Drivers/USB/HighLevel/Template | |
| download | at90usb-bootloader-237ea87c4fcb4865863fc15e07e179323caa7881.tar.gz at90usb-bootloader-237ea87c4fcb4865863fc15e07e179323caa7881.tar.bz2 at90usb-bootloader-237ea87c4fcb4865863fc15e07e179323caa7881.tar.xz at90usb-bootloader-237ea87c4fcb4865863fc15e07e179323caa7881.zip | |
Fork of LUFA CDC Bootloader
Initial commit
Diffstat (limited to 'LUFA/Drivers/USB/HighLevel/Template')
4 files changed, 266 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c new file mode 100644 index 0000000..893a390 --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c @@ -0,0 +1,48 @@ +uint8_t TEMPLATE_FUNC_NAME (void* Buffer,
+ uint16_t Length)
+{
+ uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
+
+ if (!(Length))
+ Endpoint_ClearOUT();
+
+ while (Length)
+ {
+ uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+ if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
+ return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+ else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
+ return ENDPOINT_RWCSTREAM_BusSuspended;
+ else if (Endpoint_IsSETUPReceived())
+ return ENDPOINT_RWCSTREAM_HostAborted;
+
+ if (Endpoint_IsOUTReceived())
+ {
+ while (Length && Endpoint_BytesInEndpoint())
+ {
+ TEMPLATE_TRANSFER_BYTE(DataStream);
+ Length--;
+ }
+
+ Endpoint_ClearOUT();
+ }
+ }
+
+ while (!(Endpoint_IsINReady()))
+ {
+ uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+ if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
+ return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+ else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
+ return ENDPOINT_RWCSTREAM_BusSuspended;
+ }
+
+ return ENDPOINT_RWCSTREAM_NoError;
+}
+
+
+#undef TEMPLATE_BUFFER_OFFSET
+#undef TEMPLATE_FUNC_NAME
+#undef TEMPLATE_TRANSFER_BYTE
diff --git a/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c new file mode 100644 index 0000000..1bc550f --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c @@ -0,0 +1,56 @@ +uint8_t TEMPLATE_FUNC_NAME (const void* Buffer,
+ uint16_t Length)
+{
+ uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
+ bool LastPacketFull = false;
+
+ if (Length > USB_ControlRequest.wLength)
+ Length = USB_ControlRequest.wLength;
+ else if (!(Length))
+ Endpoint_ClearIN();
+
+ while (Length || LastPacketFull)
+ {
+ uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+ if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
+ return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+ else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
+ return ENDPOINT_RWCSTREAM_BusSuspended;
+ else if (Endpoint_IsSETUPReceived())
+ return ENDPOINT_RWCSTREAM_HostAborted;
+ else if (Endpoint_IsOUTReceived())
+ break;
+
+ if (Endpoint_IsINReady())
+ {
+ uint16_t BytesInEndpoint = Endpoint_BytesInEndpoint();
+
+ while (Length && (BytesInEndpoint < USB_ControlEndpointSize))
+ {
+ TEMPLATE_TRANSFER_BYTE(DataStream);
+ Length--;
+ BytesInEndpoint++;
+ }
+
+ LastPacketFull = (BytesInEndpoint == USB_ControlEndpointSize);
+ Endpoint_ClearIN();
+ }
+ }
+
+ while (!(Endpoint_IsOUTReceived()))
+ {
+ uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+ if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
+ return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+ else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
+ return ENDPOINT_RWCSTREAM_BusSuspended;
+ }
+
+ return ENDPOINT_RWCSTREAM_NoError;
+}
+
+#undef TEMPLATE_BUFFER_OFFSET
+#undef TEMPLATE_FUNC_NAME
+#undef TEMPLATE_TRANSFER_BYTE
diff --git a/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_RW.c b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_RW.c new file mode 100644 index 0000000..a1a1e4b --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_RW.c @@ -0,0 +1,79 @@ +uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE Buffer,
+ uint16_t Length
+ __CALLBACK_PARAM)
+{
+ uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
+ uint8_t ErrorCode;
+
+ if ((ErrorCode = Endpoint_WaitUntilReady()))
+ return ErrorCode;
+
+ #if defined(FAST_STREAM_TRANSFERS)
+ uint8_t BytesRemToAlignment = (Endpoint_BytesInEndpoint() & 0x07);
+
+ if (Length >= 8)
+ {
+ Length -= BytesRemToAlignment;
+
+ switch (BytesRemToAlignment)
+ {
+ default:
+ do
+ {
+ if (!(Endpoint_IsReadWriteAllowed()))
+ {
+ TEMPLATE_CLEAR_ENDPOINT();
+
+ #if !defined(NO_STREAM_CALLBACKS)
+ if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
+ return ENDPOINT_RWSTREAM_CallbackAborted;
+ #endif
+
+ if ((ErrorCode = Endpoint_WaitUntilReady()))
+ return ErrorCode;
+ }
+
+ Length -= 8;
+
+ TEMPLATE_TRANSFER_BYTE(DataStream);
+ case 7: TEMPLATE_TRANSFER_BYTE(DataStream);
+ case 6: TEMPLATE_TRANSFER_BYTE(DataStream);
+ case 5: TEMPLATE_TRANSFER_BYTE(DataStream);
+ case 4: TEMPLATE_TRANSFER_BYTE(DataStream);
+ case 3: TEMPLATE_TRANSFER_BYTE(DataStream);
+ case 2: TEMPLATE_TRANSFER_BYTE(DataStream);
+ case 1: TEMPLATE_TRANSFER_BYTE(DataStream);
+ } while (Length >= 8);
+ }
+ }
+ #endif
+
+ while (Length)
+ {
+ if (!(Endpoint_IsReadWriteAllowed()))
+ {
+ TEMPLATE_CLEAR_ENDPOINT();
+
+ #if !defined(NO_STREAM_CALLBACKS)
+ if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
+ return ENDPOINT_RWSTREAM_CallbackAborted;
+ #endif
+
+ if ((ErrorCode = Endpoint_WaitUntilReady()))
+ return ErrorCode;
+ }
+ else
+ {
+ TEMPLATE_TRANSFER_BYTE(DataStream);
+ Length--;
+ }
+ }
+
+ return ENDPOINT_RWSTREAM_NoError;
+}
+
+#undef TEMPLATE_FUNC_NAME
+#undef TEMPLATE_BUFFER_TYPE
+#undef TEMPLATE_TRANSFER_BYTE
+#undef TEMPLATE_CLEAR_ENDPOINT
+#undef TEMPLATE_BUFFER_OFFSET
diff --git a/LUFA/Drivers/USB/HighLevel/Template/Template_Pipe_RW.c b/LUFA/Drivers/USB/HighLevel/Template/Template_Pipe_RW.c new file mode 100644 index 0000000..3f8d91f --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Pipe_RW.c @@ -0,0 +1,83 @@ +uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE Buffer,
+ uint16_t Length
+ __CALLBACK_PARAM)
+{
+ uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
+ uint8_t ErrorCode;
+
+ Pipe_SetPipeToken(TEMPLATE_TOKEN);
+
+ if ((ErrorCode = Pipe_WaitUntilReady()))
+ return ErrorCode;
+
+ #if defined(FAST_STREAM_TRANSFERS)
+ uint8_t BytesRemToAlignment = (Pipe_BytesInPipe() & 0x07);
+
+ if (Length >= 8)
+ {
+ Length -= BytesRemToAlignment;
+
+ switch (BytesRemToAlignment)
+ {
+ default:
+ do
+ {
+ if (!(Pipe_IsReadWriteAllowed()))
+ {
+ TEMPLATE_CLEAR_PIPE();
+
+ #if !defined(NO_STREAM_CALLBACKS)
+ if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
+ return PIPE_RWSTREAM_CallbackAborted;
+ #endif
+
+ if ((ErrorCode = Pipe_WaitUntilReady()))
+ return ErrorCode;
+ }
+
+ Length -= 8;
+
+ TEMPLATE_TRANSFER_BYTE(DataStream);
+ case 7: TEMPLATE_TRANSFER_BYTE(DataStream);
+ case 6: TEMPLATE_TRANSFER_BYTE(DataStream);
+ case 5: TEMPLATE_TRANSFER_BYTE(DataStream);
+ case 4: TEMPLATE_TRANSFER_BYTE(DataStream);
+ case 3: TEMPLATE_TRANSFER_BYTE(DataStream);
+ case 2: TEMPLATE_TRANSFER_BYTE(DataStream);
+ case 1: TEMPLATE_TRANSFER_BYTE(DataStream);
+ } while (Length >= 8);
+ }
+ }
+ #endif
+
+ while (Length)
+ {
+ if (!(Pipe_IsReadWriteAllowed()))
+ {
+ TEMPLATE_CLEAR_PIPE();
+
+ #if !defined(NO_STREAM_CALLBACKS)
+ if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
+ return PIPE_RWSTREAM_CallbackAborted;
+ #endif
+
+ if ((ErrorCode = Pipe_WaitUntilReady()))
+ return ErrorCode;
+ }
+ else
+ {
+ TEMPLATE_TRANSFER_BYTE(DataStream);
+ Length--;
+ }
+ }
+
+ return PIPE_RWSTREAM_NoError;
+}
+
+#undef TEMPLATE_FUNC_NAME
+#undef TEMPLATE_BUFFER_TYPE
+#undef TEMPLATE_TOKEN
+#undef TEMPLATE_TRANSFER_BYTE
+#undef TEMPLATE_CLEAR_PIPE
+#undef TEMPLATE_BUFFER_OFFSET
+
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