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Diffstat (limited to 'tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/USB/Core/UC3/Host_UC3.c')
-rw-r--r--tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/USB/Core/UC3/Host_UC3.c297
1 files changed, 297 insertions, 0 deletions
diff --git a/tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/USB/Core/UC3/Host_UC3.c b/tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/USB/Core/UC3/Host_UC3.c
new file mode 100644
index 0000000000..77807525f0
--- /dev/null
+++ b/tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/USB/Core/UC3/Host_UC3.c
@@ -0,0 +1,297 @@
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2014.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaims all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+#include "../../../../Common/Common.h"
+#if (ARCH == ARCH_UC3)
+
+#define __INCLUDE_FROM_USB_DRIVER
+#include "../USBMode.h"
+
+#if defined(USB_CAN_BE_HOST)
+
+#define __INCLUDE_FROM_HOST_C
+#include "../Host.h"
+
+void USB_Host_ProcessNextHostState(void)
+{
+ uint8_t ErrorCode = HOST_ENUMERROR_NoError;
+ uint8_t SubErrorCode = HOST_ENUMERROR_NoError;
+
+ static uint16_t WaitMSRemaining;
+ static uint8_t PostWaitState;
+
+ switch (USB_HostState)
+ {
+ case HOST_STATE_WaitForDevice:
+ if (WaitMSRemaining)
+ {
+ if ((SubErrorCode = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful)
+ {
+ USB_HostState = PostWaitState;
+ ErrorCode = HOST_ENUMERROR_WaitStage;
+ break;
+ }
+
+ if (!(--WaitMSRemaining))
+ USB_HostState = PostWaitState;
+ }
+
+ break;
+ case HOST_STATE_Powered:
+ WaitMSRemaining = HOST_DEVICE_SETTLE_DELAY_MS;
+
+ USB_HostState = HOST_STATE_Powered_WaitForDeviceSettle;
+ break;
+ case HOST_STATE_Powered_WaitForDeviceSettle:
+ if (WaitMSRemaining--)
+ {
+ Delay_MS(1);
+ break;
+ }
+ else
+ {
+ USB_Host_VBUS_Manual_Off();
+
+ USB_OTGPAD_On();
+ USB_Host_VBUS_Auto_Enable();
+ USB_Host_VBUS_Auto_On();
+
+ #if defined(NO_AUTO_VBUS_MANAGEMENT)
+ USB_Host_VBUS_Manual_Enable();
+ USB_Host_VBUS_Manual_On();
+ #endif
+
+ USB_HostState = HOST_STATE_Powered_WaitForConnect;
+ }
+
+ break;
+ case HOST_STATE_Powered_WaitForConnect:
+ if (USB_INT_HasOccurred(USB_INT_DCONNI))
+ {
+ USB_INT_Clear(USB_INT_DCONNI);
+ USB_INT_Clear(USB_INT_DDISCI);
+
+ USB_INT_Clear(USB_INT_VBERRI);
+ USB_INT_Enable(USB_INT_VBERRI);
+
+ USB_Host_ResumeBus();
+ Pipe_ClearPipes();
+
+ HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Powered_DoReset);
+ }
+
+ break;
+ case HOST_STATE_Powered_DoReset:
+ USB_Host_ResetDevice();
+
+ HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Powered_ConfigPipe);
+ break;
+ case HOST_STATE_Powered_ConfigPipe:
+ if (!(Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL, ENDPOINT_CONTROLEP, PIPE_CONTROLPIPE_DEFAULT_SIZE, 1)))
+ {
+ ErrorCode = HOST_ENUMERROR_PipeConfigError;
+ SubErrorCode = 0;
+ break;
+ }
+
+ USB_HostState = HOST_STATE_Default;
+ break;
+ case HOST_STATE_Default:
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE),
+ .bRequest = REQ_GetDescriptor,
+ .wValue = (DTYPE_Device << 8),
+ .wIndex = 0,
+ .wLength = 8,
+ };
+
+ uint8_t DataBuffer[8];
+
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);
+ if ((SubErrorCode = USB_Host_SendControlRequest(DataBuffer)) != HOST_SENDCONTROL_Successful)
+ {
+ ErrorCode = HOST_ENUMERROR_ControlError;
+ break;
+ }
+
+ USB_Host_ControlPipeSize = DataBuffer[offsetof(USB_Descriptor_Device_t, Endpoint0Size)];
+
+ USB_Host_ResetDevice();
+
+ HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Default_PostReset);
+ break;
+ case HOST_STATE_Default_PostReset:
+ if (!(Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL, ENDPOINT_CONTROLEP, USB_Host_ControlPipeSize, 1)))
+ {
+ ErrorCode = HOST_ENUMERROR_PipeConfigError;
+ SubErrorCode = 0;
+ break;
+ }
+
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),
+ .bRequest = REQ_SetAddress,
+ .wValue = USB_HOST_DEVICEADDRESS,
+ .wIndex = 0,
+ .wLength = 0,
+ };
+
+ if ((SubErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
+ {
+ ErrorCode = HOST_ENUMERROR_ControlError;
+ break;
+ }
+
+ HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Default_PostAddressSet);
+ break;
+ case HOST_STATE_Default_PostAddressSet:
+ USB_Host_SetDeviceAddress(USB_HOST_DEVICEADDRESS);
+
+ USB_HostState = HOST_STATE_Addressed;
+
+ EVENT_USB_Host_DeviceEnumerationComplete();
+ break;
+
+ default:
+ break;
+ }
+
+ if ((ErrorCode != HOST_ENUMERROR_NoError) && (USB_HostState != HOST_STATE_Unattached))
+ {
+ EVENT_USB_Host_DeviceEnumerationFailed(ErrorCode, SubErrorCode);
+
+ USB_Host_VBUS_Auto_Off();
+
+ EVENT_USB_Host_DeviceUnattached();
+
+ USB_ResetInterface();
+ }
+}
+
+uint8_t USB_Host_WaitMS(uint8_t MS)
+{
+ bool BusSuspended = USB_Host_IsBusSuspended();
+ uint8_t ErrorCode = HOST_WAITERROR_Successful;
+ bool HSOFIEnabled = USB_INT_IsEnabled(USB_INT_HSOFI);
+
+ USB_INT_Disable(USB_INT_HSOFI);
+ USB_INT_Clear(USB_INT_HSOFI);
+
+ USB_Host_ResumeBus();
+
+ while (MS)
+ {
+ if (USB_INT_HasOccurred(USB_INT_HSOFI))
+ {
+ USB_INT_Clear(USB_INT_HSOFI);
+ MS--;
+ }
+
+ if ((USB_HostState == HOST_STATE_Unattached) || (USB_CurrentMode != USB_MODE_Host))
+ {
+ ErrorCode = HOST_WAITERROR_DeviceDisconnect;
+
+ break;
+ }
+
+ if (Pipe_IsError())
+ {
+ Pipe_ClearError();
+ ErrorCode = HOST_WAITERROR_PipeError;
+
+ break;
+ }
+
+ if (Pipe_IsStalled())
+ {
+ Pipe_ClearStall();
+ ErrorCode = HOST_WAITERROR_SetupStalled;
+
+ break;
+ }
+ }
+
+ if (BusSuspended)
+ USB_Host_SuspendBus();
+
+ if (HSOFIEnabled)
+ USB_INT_Enable(USB_INT_HSOFI);
+
+ return ErrorCode;
+}
+
+static void USB_Host_ResetDevice(void)
+{
+ bool BusSuspended = USB_Host_IsBusSuspended();
+
+ USB_INT_Disable(USB_INT_DDISCI);
+
+ USB_Host_ResetBus();
+ while (!(USB_Host_IsBusResetComplete()));
+ USB_Host_ResumeBus();
+
+ USB_Host_ConfigurationNumber = 0;
+
+ bool HSOFIEnabled = USB_INT_IsEnabled(USB_INT_HSOFI);
+
+ USB_INT_Disable(USB_INT_HSOFI);
+ USB_INT_Clear(USB_INT_HSOFI);
+
+ for (uint8_t MSRem = 10; MSRem != 0; MSRem--)
+ {
+ /* Workaround for powerless-pull-up devices. After a USB bus reset,
+ all disconnection interrupts are suppressed while a USB frame is
+ looked for - if it is found within 10ms, the device is still
+ present. */
+
+ if (USB_INT_HasOccurred(USB_INT_HSOFI))
+ {
+ USB_INT_Clear(USB_INT_HSOFI);
+ USB_INT_Clear(USB_INT_DDISCI);
+ break;
+ }
+
+ Delay_MS(1);
+ }
+
+ if (HSOFIEnabled)
+ USB_INT_Enable(USB_INT_HSOFI);
+
+ if (BusSuspended)
+ USB_Host_SuspendBus();
+
+ USB_INT_Enable(USB_INT_DDISCI);
+}
+
+#endif
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-28 19:55:14 +0000