void USB_ShutDown(void)
{
if (USB_IsConnected)
RAISE_EVENT(USB_Disconnect);
USB_INT_DisableAllInterrupts();
USB_INT_ClearAllInterrupts();
USB_IsConnected = false;
USB_IsInitialized = false;
#if defined(USB_CAN_BE_HOST)
USB_HostState = HOST_STATE_Unattached;
#endif
#if defined(USB_CAN_BE_DEVICE)
USB_ConfigurationNumber = 0;
#endif
#if (!defined(USB_HOST_ONLY) && !defined(USB_DEVICE_ONLY))
USB_CurrentMode = USB_MODE_NONE;
#endif
#if !defined(USE_STATIC_OPTIONS)
USB_Options = 0;
#endif
USB_Interface_Disable();
USB_PLL_Off();
#if defined(USB_FULL_CONTROLLER) || defined(USB_MODIFIED_FULL_CONTROLLER)
USB_OTGPAD_Off();
#endif
#if defined(USB_CAN_BE_BOTH)
UHWCON &= ~(1 << UIDE);
#endif
}
void USB_Disable(void)
{
USB_INT_DisableAllInterrupts();
USB_INT_ClearAllInterrupts();
USB_Detach();
USB_Controller_Disable();
if (!(USB_Options & USB_OPT_MANUAL_PLL))
USB_PLL_Off();
USB_REG_Off();
#if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
USB_OTGPAD_Off();
#endif
#if defined(USB_CAN_BE_BOTH)
USB_CurrentMode = USB_MODE_None;
#endif
USB_IsInitialized = false;
}
void USB_ResetInterface(void)
{
#if defined(USB_DEVICE_OPT_FULLSPEED)
if (USB_Options & USB_DEVICE_OPT_LOWSPEED)
CLK.USBCTRL = (((F_USB / 6000000) - 1) << CLK_USBPSDIV_gp);
else
CLK.USBCTRL = (((F_USB / 48000000) - 1) << CLK_USBPSDIV_gp);
#else
CLK.USBCTRL = (((F_USB / 6000000) - 1) << CLK_USBPSDIV_gp);
#endif
if (USB_Options & USB_OPT_PLLCLKSRC)
CLK.USBCTRL |= (CLK_USBSRC_PLL_gc | CLK_USBSEN_bm);
else
CLK.USBCTRL |= (CLK_USBSRC_RC32M_gc | CLK_USBSEN_bm);
USB_Device_SetDeviceAddress(0);
USB_INT_DisableAllInterrupts();
USB_INT_ClearAllInterrupts();
USB_Controller_Reset();
USB_Init_Device();
}
void USB_ResetInterface(void)
{
USB_INT_DisableAllInterrupts();
USB_INT_ClearAllInterrupts();
#if defined(USB_CAN_BE_HOST)
USB_HostState = HOST_STATE_Unattached;
#endif
#if defined(USB_CAN_BE_DEVICE)
USB_DeviceState = DEVICE_STATE_Unattached;
USB_ConfigurationNumber = 0;
#if !defined(NO_DEVICE_REMOTE_WAKEUP)
USB_RemoteWakeupEnabled = false;
#endif
#if !defined(NO_DEVICE_SELF_POWER)
USB_CurrentlySelfPowered = false;
#endif
#endif
if (!(USB_Options & USB_OPT_MANUAL_PLL))
{
#if defined(USB_SERIES_4_AVR)
PLLFRQ = ((1 << PLLUSB) | (1 << PDIV3) | (1 << PDIV1));
#endif
USB_PLL_On();
while (!(USB_PLL_IsReady()));
}
USB_Controller_Reset();
#if defined(USB_CAN_BE_BOTH)
if (UHWCON & (1 << UIDE))
{
USB_INT_Clear(USB_INT_IDTI);
USB_INT_Enable(USB_INT_IDTI);
USB_CurrentMode = USB_GetUSBModeFromUID();
}
#endif
if (!(USB_Options & USB_OPT_REG_DISABLED))
USB_REG_On();
else
USB_REG_Off();
USB_CLK_Unfreeze();
#if (defined(USB_CAN_BE_DEVICE) && (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)))
if (USB_CurrentMode == USB_MODE_DEVICE)
{
if (USB_Options & USB_DEVICE_OPT_LOWSPEED)
USB_Device_SetLowSpeed();
else
USB_Device_SetFullSpeed();
}
#endif
#if (defined(USB_CAN_BE_DEVICE) && !defined(FIXED_CONTROL_ENDPOINT_SIZE))
if (USB_CurrentMode == USB_MODE_DEVICE)
{
USB_Descriptor_Device_t* DeviceDescriptorPtr;
if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr) != NO_DESCRIPTOR)
{
#if defined(USE_RAM_DESCRIPTORS)
USB_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size;
#elif defined(USE_EEPROM_DESCRIPTORS)
USB_ControlEndpointSize = eeprom_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
#else
USB_ControlEndpointSize = pgm_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
#endif
}
}
#endif
USB_Attach();
#if defined(USB_DEVICE_ONLY)
USB_INT_Clear(USB_INT_SUSPEND);
USB_INT_Enable(USB_INT_SUSPEND);
USB_INT_Clear(USB_INT_EORSTI);
USB_INT_Enable(USB_INT_EORSTI);
#if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
USB_INT_Enable(USB_INT_VBUS);
#endif
#elif defined(USB_HOST_ONLY)
USB_Host_HostMode_On();
USB_Host_VBUS_Auto_Off();
USB_OTGPAD_Off();
USB_Host_VBUS_Manual_Enable();
USB_Host_VBUS_Manual_On();
USB_INT_Enable(USB_INT_SRPI);
USB_INT_Enable(USB_INT_BCERRI);
#else
if (USB_CurrentMode == USB_MODE_DEVICE)
{
USB_INT_Clear(USB_INT_SUSPEND);
USB_INT_Enable(USB_INT_SUSPEND);
USB_INT_Clear(USB_INT_EORSTI);
USB_INT_Enable(USB_INT_EORSTI);
#if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
USB_INT_Enable(USB_INT_VBUS);
#endif
#if defined(CONTROL_ONLY_DEVICE)
UENUM = ENDPOINT_CONTROLEP;
#endif
}
else if (USB_CurrentMode == USB_MODE_HOST)
{
USB_Host_HostMode_On();
USB_Host_VBUS_Auto_Off();
USB_OTGPAD_Off();
USB_Host_VBUS_Manual_Enable();
USB_Host_VBUS_Manual_On();
USB_INT_Enable(USB_INT_SRPI);
USB_INT_Enable(USB_INT_BCERRI);
}
#endif
}
void USB_SetupInterface(void)
{
USB_INT_DisableAllInterrupts();
USB_INT_ClearAllInterrupts();
USB_IsConnected = false;
#if defined(USB_CAN_BE_BOTH)
USB_IsInitialized = false;
#endif
#if defined(USB_CAN_BE_HOST)
USB_HostState = HOST_STATE_Unattached;
#endif
#if defined(USB_CAN_BE_DEVICE)
USB_ConfigurationNumber = 0;
USB_RemoteWakeupEnabled = false;
USB_CurrentlySelfPowered = false;
#endif
#if defined(USB_MODIFIED_FULL_CONTROLLER) && !defined(MANUAL_PLL_CONTROL)
PLLFRQ = ((1 << PLLUSB) | (1 << PDIV3) | (1 << PDIV1));
#endif
#if !defined(MANUAL_PLL_CONTROL)
USB_PLL_On();
#endif
while (!(USB_PLL_IsReady()));
USB_Interface_Reset();
#if defined(USB_CAN_BE_BOTH)
if (UHWCON & (1 << UIDE))
{
USB_INT_Clear(USB_INT_IDTI);
USB_INT_Enable(USB_INT_IDTI);
USB_CurrentMode = USB_GetUSBModeFromUID();
}
#elif defined(USB_DEVICE_ONLY)
#if defined(USB_FULL_CONTROLLER) || defined(USB_MODIFIED_FULL_CONTROLLER)
USB_INT_Enable(USB_INT_VBUS);
#endif
#endif
if (!(USB_Options & USB_OPT_REG_DISABLED))
USB_REG_On();
USB_CLK_Unfreeze();
#if (defined(USB_CAN_BE_DEVICE) && (defined(USB_FULL_CONTROLLER) || defined(USB_MODIFIED_FULL_CONTROLLER)))
if (USB_CurrentMode == USB_MODE_DEVICE)
{
#ifdef CUL_V3
USB_Device_SetHighSpeed();
#else
if (USB_Options & USB_DEVICE_OPT_LOWSPEED)
USB_Device_SetLowSpeed();
else
USB_Device_SetHighSpeed();
#endif
USB_INT_Enable(USB_INT_VBUS);
}
#endif
#if defined(USB_CAN_BE_HOST)
USB_INT_Enable(USB_INT_VBERRI);
if (USB_CurrentMode == USB_MODE_HOST)
USB_Host_PrepareForDeviceConnect();
#endif
#if defined(USB_CAN_BE_DEVICE)
USB_Descriptor_Device_t* DeviceDescriptorPtr;
uint16_t DeviceDescriptorSize;
if (USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr, &DeviceDescriptorSize) == true)
{
#if defined(USE_RAM_DESCRIPTORS)
USB_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size;
#elif defined(USE_EEPROM_DESCRIPTORS)
USB_ControlEndpointSize = eeprom_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
#else
USB_ControlEndpointSize = pgm_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
#endif
}
#endif
USB_Attach();
#if defined(USB_DEVICE_ONLY)
USB_INT_Enable(USB_INT_SUSPEND);
USB_INT_Enable(USB_INT_EORSTI);
#elif defined(USB_HOST_ONLY)
USB_Host_HostMode_On();
#else
if (USB_CurrentMode == USB_MODE_DEVICE)
{
USB_INT_Enable(USB_INT_SUSPEND);
USB_INT_Enable(USB_INT_EORSTI);
}
else if (USB_CurrentMode == USB_MODE_HOST)
{
USB_Host_HostMode_On();
}
#endif
#if defined(USB_CAN_BE_BOTH)
USB_InitTaskPointer();
#endif
}