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250 lines
6.2 KiB
250 lines
6.2 KiB
/* |
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LUFA Library |
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Copyright (C) Dean Camera, 2010. |
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dean [at] fourwalledcubicle [dot] com |
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www.fourwalledcubicle.com |
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*/ |
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/* |
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Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) |
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Permission to use, copy, modify, distribute, and sell this |
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software and its documentation for any purpose is hereby granted |
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without fee, provided that the above copyright notice appear in |
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all copies and that both that the copyright notice and this |
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permission notice and warranty disclaimer appear in supporting |
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documentation, and that the name of the author not be used in |
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advertising or publicity pertaining to distribution of the |
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software without specific, written prior permission. |
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The author disclaim all warranties with regard to this |
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software, including all implied warranties of merchantability |
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and fitness. In no event shall the author be liable for any |
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special, indirect or consequential damages or any damages |
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whatsoever resulting from loss of use, data or profits, whether |
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in an action of contract, negligence or other tortious action, |
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arising out of or in connection with the use or performance of |
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this software. |
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*/ |
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#define __INCLUDE_FROM_USB_DRIVER |
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#include "USBInterrupt.h" |
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void USB_INT_DisableAllInterrupts(void) |
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{ |
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#if defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) |
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USBCON &= ~((1 << VBUSTE) | (1 << IDTE)); |
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#elif defined(USB_SERIES_4_AVR) |
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USBCON &= ~(1 << VBUSTE); |
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#endif |
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#if defined(USB_CAN_BE_HOST) |
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UHIEN = 0; |
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OTGIEN = 0; |
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#endif |
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#if defined(USB_CAN_BE_DEVICE) |
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UDIEN = 0; |
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#endif |
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} |
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void USB_INT_ClearAllInterrupts(void) |
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{ |
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#if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) |
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USBINT = 0; |
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#endif |
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#if defined(USB_CAN_BE_HOST) |
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UHINT = 0; |
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OTGINT = 0; |
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#endif |
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#if defined(USB_CAN_BE_DEVICE) |
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UDINT = 0; |
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#endif |
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} |
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ISR(USB_GEN_vect, ISR_BLOCK) |
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{ |
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#if defined(USB_CAN_BE_DEVICE) |
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#if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) |
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if (USB_INT_HasOccurred(USB_INT_VBUS) && USB_INT_IsEnabled(USB_INT_VBUS)) |
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{ |
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USB_INT_Clear(USB_INT_VBUS); |
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if (USB_VBUS_GetStatus()) |
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{ |
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USB_DeviceState = DEVICE_STATE_Powered; |
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EVENT_USB_Device_Connect(); |
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} |
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else |
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{ |
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USB_DeviceState = DEVICE_STATE_Unattached; |
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EVENT_USB_Device_Disconnect(); |
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} |
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} |
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#endif |
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if (USB_INT_HasOccurred(USB_INT_SUSPEND) && USB_INT_IsEnabled(USB_INT_SUSPEND)) |
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{ |
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USB_INT_Clear(USB_INT_SUSPEND); |
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USB_INT_Disable(USB_INT_SUSPEND); |
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USB_INT_Enable(USB_INT_WAKEUP); |
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USB_CLK_Freeze(); |
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if (!(USB_Options & USB_OPT_MANUAL_PLL)) |
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USB_PLL_Off(); |
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#if defined(USB_SERIES_2_AVR) && !defined(NO_LIMITED_CONTROLLER_CONNECT) |
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USB_DeviceState = DEVICE_STATE_Unattached; |
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EVENT_USB_Device_Disconnect(); |
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#else |
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USB_DeviceState = DEVICE_STATE_Suspended; |
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EVENT_USB_Device_Suspend(); |
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#endif |
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} |
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if (USB_INT_HasOccurred(USB_INT_WAKEUP) && USB_INT_IsEnabled(USB_INT_WAKEUP)) |
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{ |
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if (!(USB_Options & USB_OPT_MANUAL_PLL)) |
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{ |
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USB_PLL_On(); |
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while (!(USB_PLL_IsReady())); |
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} |
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USB_CLK_Unfreeze(); |
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USB_INT_Clear(USB_INT_WAKEUP); |
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USB_INT_Disable(USB_INT_WAKEUP); |
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USB_INT_Enable(USB_INT_SUSPEND); |
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#if defined(USB_SERIES_2_AVR) && !defined(NO_LIMITED_CONTROLLER_CONNECT) |
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USB_DeviceState = (USB_ConfigurationNumber) ? DEVICE_STATE_Configured : DEVICE_STATE_Powered; |
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EVENT_USB_Device_Connect(); |
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#else |
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USB_DeviceState = (USB_ConfigurationNumber) ? DEVICE_STATE_Configured : DEVICE_STATE_Addressed; |
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EVENT_USB_Device_WakeUp(); |
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#endif |
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} |
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if (USB_INT_HasOccurred(USB_INT_EORSTI) && USB_INT_IsEnabled(USB_INT_EORSTI)) |
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{ |
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USB_INT_Clear(USB_INT_EORSTI); |
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USB_DeviceState = DEVICE_STATE_Default; |
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USB_ConfigurationNumber = 0; |
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USB_INT_Clear(USB_INT_SUSPEND); |
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USB_INT_Disable(USB_INT_SUSPEND); |
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USB_INT_Enable(USB_INT_WAKEUP); |
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Endpoint_ClearEndpoints(); |
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Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL, |
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ENDPOINT_DIR_OUT, USB_ControlEndpointSize, |
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ENDPOINT_BANK_SINGLE); |
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#if defined(INTERRUPT_CONTROL_ENDPOINT) |
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USB_INT_Enable(USB_INT_RXSTPI); |
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#endif |
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EVENT_USB_Device_Reset(); |
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} |
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if (USB_INT_HasOccurred(USB_INT_SOFI) && USB_INT_IsEnabled(USB_INT_SOFI)) |
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{ |
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USB_INT_Clear(USB_INT_SOFI); |
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EVENT_USB_Device_StartOfFrame(); |
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} |
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#endif |
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#if defined(USB_CAN_BE_HOST) |
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if (USB_INT_HasOccurred(USB_INT_DDISCI) && USB_INT_IsEnabled(USB_INT_DDISCI)) |
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{ |
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USB_INT_Clear(USB_INT_DDISCI); |
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USB_INT_Clear(USB_INT_DCONNI); |
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USB_INT_Disable(USB_INT_DDISCI); |
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EVENT_USB_Host_DeviceUnattached(); |
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USB_ResetInterface(); |
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} |
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if (USB_INT_HasOccurred(USB_INT_VBERRI) && USB_INT_IsEnabled(USB_INT_VBERRI)) |
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{ |
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USB_INT_Clear(USB_INT_VBERRI); |
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USB_Host_VBUS_Manual_Off(); |
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USB_Host_VBUS_Auto_Off(); |
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EVENT_USB_Host_HostError(HOST_ERROR_VBusVoltageDip); |
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EVENT_USB_Host_DeviceUnattached(); |
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USB_HostState = HOST_STATE_Unattached; |
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} |
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if (USB_INT_HasOccurred(USB_INT_SRPI) && USB_INT_IsEnabled(USB_INT_SRPI)) |
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{ |
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USB_INT_Clear(USB_INT_SRPI); |
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USB_INT_Disable(USB_INT_SRPI); |
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EVENT_USB_Host_DeviceAttached(); |
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USB_INT_Enable(USB_INT_DDISCI); |
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USB_HostState = HOST_STATE_Powered; |
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} |
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if (USB_INT_HasOccurred(USB_INT_BCERRI) && USB_INT_IsEnabled(USB_INT_BCERRI)) |
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{ |
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USB_INT_Clear(USB_INT_BCERRI); |
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EVENT_USB_Host_DeviceEnumerationFailed(HOST_ENUMERROR_NoDeviceDetected, 0); |
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EVENT_USB_Host_DeviceUnattached(); |
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USB_ResetInterface(); |
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} |
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#endif |
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#if defined(USB_CAN_BE_BOTH) |
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if (USB_INT_HasOccurred(USB_INT_IDTI) && USB_INT_IsEnabled(USB_INT_IDTI)) |
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{ |
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USB_INT_Clear(USB_INT_IDTI); |
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if (USB_DeviceState != DEVICE_STATE_Unattached) |
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EVENT_USB_Device_Disconnect(); |
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if (USB_HostState != HOST_STATE_Unattached) |
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EVENT_USB_Host_DeviceUnattached(); |
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USB_CurrentMode = USB_GetUSBModeFromUID(); |
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EVENT_USB_UIDChange(); |
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USB_ResetInterface(); |
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} |
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#endif |
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} |
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#if defined(INTERRUPT_CONTROL_ENDPOINT) && defined(USB_CAN_BE_DEVICE) |
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ISR(USB_COM_vect, ISR_BLOCK) |
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{ |
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uint8_t PrevSelectedEndpoint = Endpoint_GetCurrentEndpoint(); |
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Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP); |
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USB_INT_Disable(USB_INT_RXSTPI); |
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NONATOMIC_BLOCK(NONATOMIC_FORCEOFF) |
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{ |
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USB_Device_ProcessControlRequest(); |
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} |
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Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP); |
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USB_INT_Enable(USB_INT_RXSTPI); |
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Endpoint_SelectEndpoint(PrevSelectedEndpoint); |
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} |
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#endif
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