From 237ea87c4fcb4865863fc15e07e179323caa7881 Mon Sep 17 00:00:00 2001 From: Håvard Espeland Date: Sat, 5 Feb 2011 19:26:39 +0100 Subject: Fork of LUFA CDC Bootloader Initial commit --- .../Template/Template_Endpoint_Control_R.c | 48 +++++++++++++ .../Template/Template_Endpoint_Control_W.c | 56 +++++++++++++++ .../USB/HighLevel/Template/Template_Endpoint_RW.c | 79 ++++++++++++++++++++ .../USB/HighLevel/Template/Template_Pipe_RW.c | 83 ++++++++++++++++++++++ 4 files changed, 266 insertions(+) create mode 100644 LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c create mode 100644 LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c create mode 100644 LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_RW.c create mode 100644 LUFA/Drivers/USB/HighLevel/Template/Template_Pipe_RW.c (limited to 'LUFA/Drivers/USB/HighLevel/Template') 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 + -- cgit v1.2.3