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authorDean Camera <dean@fourwalledcubicle.com>2010-08-22 13:31:27 +0000
committerDean Camera <dean@fourwalledcubicle.com>2010-08-22 13:31:27 +0000
commite72f424f6450cf67d3ef57d347a4f8d86ec5a119 (patch)
treec5c535f8462bb4c46c4c85b3a712b20348eeeb98 /LUFA/Drivers/USB/HighLevel/Template
parent4cc7f5200beef90c39c8c8310ed7c8b849afb4d9 (diff)
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Split out endpoint and pipe stream functions into new EndpointStream.c/.h and PipeStream.c/.h files.
Diffstat (limited to 'LUFA/Drivers/USB/HighLevel/Template')
-rw-r--r--LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c45
-rw-r--r--LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c54
-rw-r--r--LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_RW.c79
-rw-r--r--LUFA/Drivers/USB/HighLevel/Template/Template_Pipe_RW.c82
4 files changed, 260 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 000000000..43abe6e1e
--- /dev/null
+++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c
@@ -0,0 +1,45 @@
+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)
+ {
+ if (Endpoint_IsSETUPReceived())
+ return ENDPOINT_RWCSTREAM_HostAborted;
+
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+ else if (USB_DeviceState == DEVICE_STATE_Suspended)
+ return ENDPOINT_RWCSTREAM_BusSuspended;
+
+ if (Endpoint_IsOUTReceived())
+ {
+ while (Length && Endpoint_BytesInEndpoint())
+ {
+ TEMPLATE_TRANSFER_BYTE(DataStream);
+ Length--;
+ }
+
+ Endpoint_ClearOUT();
+ }
+ }
+
+ while (!(Endpoint_IsINReady()))
+ {
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+ else if (USB_DeviceState == DEVICE_STATE_Suspended)
+ return ENDPOINT_RWCSTREAM_BusSuspended;
+ }
+
+ return ENDPOINT_RWCSTREAM_NoError;
+}
+
+
+#undef TEMPLATE_BUFFER_OFFSET
+#undef TEMPLATE_FUNC_NAME
+#undef TEMPLATE_TRANSFER_BYTE \ No newline at end of file
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 000000000..dc2c37dfc
--- /dev/null
+++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c
@@ -0,0 +1,54 @@
+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)
+ {
+ if (Endpoint_IsSETUPReceived())
+ return ENDPOINT_RWCSTREAM_HostAborted;
+
+ if (Endpoint_IsOUTReceived())
+ break;
+
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+ else if (USB_DeviceState == DEVICE_STATE_Suspended)
+ return ENDPOINT_RWCSTREAM_BusSuspended;
+
+ if (Endpoint_IsINReady())
+ {
+ uint8_t BytesInEndpoint = Endpoint_BytesInEndpoint();
+
+ while (Length && (BytesInEndpoint < USB_ControlEndpointSize))
+ {
+ TEMPLATE_TRANSFER_BYTE(DataStream);
+ Length--;
+ BytesInEndpoint++;
+ }
+
+ LastPacketFull = (BytesInEndpoint == USB_ControlEndpointSize);
+ Endpoint_ClearIN();
+ }
+ }
+
+ while (!(Endpoint_IsOUTReceived()))
+ {
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+ else if (USB_DeviceState == DEVICE_STATE_Suspended)
+ return ENDPOINT_RWCSTREAM_BusSuspended;
+ }
+
+ return ENDPOINT_RWCSTREAM_NoError;
+}
+
+#undef TEMPLATE_BUFFER_OFFSET
+#undef TEMPLATE_FUNC_NAME
+#undef TEMPLATE_TRANSFER_BYTE \ No newline at end of file
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 000000000..fc9df951d
--- /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 \ No newline at end of file
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 000000000..fb64dd837
--- /dev/null
+++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Pipe_RW.c
@@ -0,0 +1,82 @@
+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