--- /dev/null
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2017.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2017 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
+#define __INCLUDE_FROM_USB_CONTROLLER_C
+#include "../USBController.h"
+
+#if defined(USB_CAN_BE_BOTH)
+volatile uint8_t USB_CurrentMode = USB_MODE_None;
+#endif
+
+#if !defined(USE_STATIC_OPTIONS)
+volatile uint8_t USB_Options;
+#endif
+
+void USB_Init(
+ #if defined(USB_CAN_BE_BOTH)
+ const uint8_t Mode
+ #endif
+
+ #if (defined(USB_CAN_BE_BOTH) && !defined(USE_STATIC_OPTIONS))
+ ,
+ #elif (!defined(USB_CAN_BE_BOTH) && defined(USE_STATIC_OPTIONS))
+ void
+ #endif
+
+ #if !defined(USE_STATIC_OPTIONS)
+ const uint8_t Options
+ #endif
+ )
+{
+ #if !defined(USE_STATIC_OPTIONS)
+ USB_Options = Options;
+ #endif
+
+ #if defined(USB_CAN_BE_BOTH)
+ if (Mode == USB_MODE_UID)
+ {
+ AVR32_USBB.USBCON.uide = true;
+ USB_INT_Enable(USB_INT_IDTI);
+ USB_CurrentMode = USB_GetUSBModeFromUID();
+ }
+ else
+ {
+ AVR32_USBB.USBCON.uide = false;
+ USB_CurrentMode = Mode;
+ }
+ #else
+ AVR32_USBB.USBCON.uide = false;
+ #endif
+
+ USB_IsInitialized = true;
+
+ USB_ResetInterface();
+}
+
+void USB_Disable(void)
+{
+ USB_INT_DisableAllInterrupts();
+ USB_INT_ClearAllInterrupts();
+
+ USB_Detach();
+ USB_Controller_Disable();
+
+ USB_OTGPAD_Off();
+
+ #if defined(USB_CAN_BE_BOTH)
+ USB_CurrentMode = USB_MODE_None;
+ #endif
+
+ AVR32_PM.GCCTRL[3].cen = false;
+
+ USB_IsInitialized = false;
+}
+
+void USB_ResetInterface(void)
+{
+ #if defined(USB_CAN_BE_BOTH)
+ bool UIDModeSelectEnabled = AVR32_USBB.USBCON.uide;
+ #endif
+
+ AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].pllsel = !(USB_Options & USB_OPT_GCLK_SRC_OSC);
+ AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].oscsel = !(USB_Options & USB_OPT_GCLK_CHANNEL_0);
+ AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].diven = (F_USB != USB_CLOCK_REQUIRED_FREQ);
+ AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].div = (F_USB == USB_CLOCK_REQUIRED_FREQ) ? 0 : (uint32_t)((F_USB / USB_CLOCK_REQUIRED_FREQ / 2) - 1);
+ AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].cen = true;
+
+ USB_INT_DisableAllInterrupts();
+ USB_INT_ClearAllInterrupts();
+
+ USB_Controller_Reset();
+
+ #if defined(USB_CAN_BE_BOTH)
+ if (UIDModeSelectEnabled)
+ USB_INT_Enable(USB_INT_IDTI);
+ #endif
+
+ USB_CLK_Unfreeze();
+
+ if (USB_CurrentMode == USB_MODE_Device)
+ {
+ #if defined(USB_CAN_BE_DEVICE)
+ AVR32_USBB.USBCON.uimod = true;
+
+ USB_Init_Device();
+ #endif
+ }
+ else if (USB_CurrentMode == USB_MODE_Host)
+ {
+ #if defined(INVERTED_VBUS_ENABLE_LINE)
+ AVR32_USBB.USBCON.vbuspo = true;
+ #endif
+
+ #if defined(USB_CAN_BE_HOST)
+ AVR32_USBB.USBCON.uimod = false;
+
+ USB_Init_Host();
+ #endif
+ }
+
+ USB_OTGPAD_On();
+}
+
+#if defined(USB_CAN_BE_DEVICE)
+static void USB_Init_Device(void)
+{
+ USB_DeviceState = DEVICE_STATE_Unattached;
+ USB_Device_ConfigurationNumber = 0;
+
+ #if !defined(NO_DEVICE_REMOTE_WAKEUP)
+ USB_Device_RemoteWakeupEnabled = false;
+ #endif
+
+ #if !defined(NO_DEVICE_SELF_POWER)
+ USB_Device_CurrentlySelfPowered = false;
+ #endif
+
+ #if !defined(FIXED_CONTROL_ENDPOINT_SIZE)
+ USB_Descriptor_Device_t* DeviceDescriptorPtr;
+
+ if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr) != NO_DESCRIPTOR)
+ USB_Device_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size;
+ #endif
+
+ if (USB_Options & USB_DEVICE_OPT_LOWSPEED)
+ {
+ USB_Device_SetLowSpeed();
+ }
+ else
+ {
+ #if defined(USB_DEVICE_OPT_HIGHSPEED)
+ if (USB_Options & USB_DEVICE_OPT_HIGHSPEED)
+ USB_Device_SetHighSpeed();
+ else
+ USB_Device_SetFullSpeed();
+ #else
+ USB_Device_SetFullSpeed();
+ #endif
+ }
+
+ USB_INT_Enable(USB_INT_VBUSTI);
+
+ Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,
+ USB_Device_ControlEndpointSize, 1);
+
+ USB_INT_Clear(USB_INT_SUSPI);
+ USB_INT_Enable(USB_INT_SUSPI);
+ USB_INT_Enable(USB_INT_EORSTI);
+
+ USB_Attach();
+}
+#endif
+
+#if defined(USB_CAN_BE_HOST)
+static void USB_Init_Host(void)
+{
+ USB_HostState = HOST_STATE_Unattached;
+ USB_Host_ConfigurationNumber = 0;
+ USB_Host_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE;
+
+ USB_Host_HostMode_On();
+
+ USB_Host_VBUS_Auto_On();
+
+ USB_INT_Enable(USB_INT_DCONNI);
+ USB_INT_Enable(USB_INT_BCERRI);
+
+ USB_Attach();
+}
+#endif
+
+#endif
projects / qmk_firmware.git / blobdiff