diff options
Diffstat (limited to 'LUFA/Drivers/USB/LowLevel/USBInterrupt.c')
-rw-r--r-- | LUFA/Drivers/USB/LowLevel/USBInterrupt.c | 494 |
1 files changed, 247 insertions, 247 deletions
diff --git a/LUFA/Drivers/USB/LowLevel/USBInterrupt.c b/LUFA/Drivers/USB/LowLevel/USBInterrupt.c index 2d9e35b72..7edd3ce6a 100644 --- a/LUFA/Drivers/USB/LowLevel/USBInterrupt.c +++ b/LUFA/Drivers/USB/LowLevel/USBInterrupt.c @@ -1,247 +1,247 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2010.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2010 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 disclaim 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.
-*/
-
-#define __INCLUDE_FROM_USB_DRIVER
-#include "USBInterrupt.h"
-
-void USB_INT_DisableAllInterrupts(void)
-{
- #if defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
- USBCON &= ~((1 << VBUSTE) | (1 << IDTE));
- #elif defined(USB_SERIES_4_AVR)
- USBCON &= ~(1 << VBUSTE);
- #endif
-
- #if defined(USB_CAN_BE_HOST)
- UHIEN = 0;
- OTGIEN = 0;
- #endif
-
- #if defined(USB_CAN_BE_DEVICE)
- UDIEN = 0;
- #endif
-}
-
-void USB_INT_ClearAllInterrupts(void)
-{
- #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
- USBINT = 0;
- #endif
-
- #if defined(USB_CAN_BE_HOST)
- UHINT = 0;
- OTGINT = 0;
- #endif
-
- #if defined(USB_CAN_BE_DEVICE)
- UDINT = 0;
- #endif
-}
-
-ISR(USB_GEN_vect, ISR_BLOCK)
-{
- #if defined(USB_CAN_BE_DEVICE)
- #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
- if (USB_INT_HasOccurred(USB_INT_VBUS) && USB_INT_IsEnabled(USB_INT_VBUS))
- {
- USB_INT_Clear(USB_INT_VBUS);
-
- if (USB_VBUS_GetStatus())
- {
- USB_DeviceState = DEVICE_STATE_Powered;
- EVENT_USB_Device_Connect();
- }
- else
- {
- USB_DeviceState = DEVICE_STATE_Unattached;
- EVENT_USB_Device_Disconnect();
- }
- }
- #endif
-
- if (USB_INT_HasOccurred(USB_INT_SUSPEND) && USB_INT_IsEnabled(USB_INT_SUSPEND))
- {
- USB_INT_Clear(USB_INT_SUSPEND);
-
- USB_INT_Disable(USB_INT_SUSPEND);
- USB_INT_Enable(USB_INT_WAKEUP);
-
- USB_CLK_Freeze();
-
- if (!(USB_Options & USB_OPT_MANUAL_PLL))
- USB_PLL_Off();
-
- #if defined(USB_SERIES_2_AVR) && !defined(NO_LIMITED_CONTROLLER_CONNECT)
- USB_DeviceState = DEVICE_STATE_Unattached;
- EVENT_USB_Device_Disconnect();
- #else
- USB_DeviceState = DEVICE_STATE_Suspended;
- EVENT_USB_Device_Suspend();
- #endif
- }
-
- if (USB_INT_HasOccurred(USB_INT_WAKEUP) && USB_INT_IsEnabled(USB_INT_WAKEUP))
- {
- if (!(USB_Options & USB_OPT_MANUAL_PLL))
- {
- USB_PLL_On();
- while (!(USB_PLL_IsReady()));
- }
-
- USB_CLK_Unfreeze();
-
- USB_INT_Clear(USB_INT_WAKEUP);
-
- USB_INT_Disable(USB_INT_WAKEUP);
- USB_INT_Enable(USB_INT_SUSPEND);
-
- #if defined(USB_SERIES_2_AVR) && !defined(NO_LIMITED_CONTROLLER_CONNECT)
- USB_DeviceState = (USB_ConfigurationNumber) ? DEVICE_STATE_Configured : DEVICE_STATE_Powered;
- EVENT_USB_Device_Connect();
- #else
- USB_DeviceState = (USB_ConfigurationNumber) ? DEVICE_STATE_Configured : DEVICE_STATE_Addressed;
- EVENT_USB_Device_WakeUp();
- #endif
- }
-
- if (USB_INT_HasOccurred(USB_INT_EORSTI) && USB_INT_IsEnabled(USB_INT_EORSTI))
- {
- USB_INT_Clear(USB_INT_EORSTI);
-
- USB_DeviceState = DEVICE_STATE_Default;
- USB_ConfigurationNumber = 0;
-
- USB_INT_Clear(USB_INT_SUSPEND);
- USB_INT_Disable(USB_INT_SUSPEND);
- USB_INT_Enable(USB_INT_WAKEUP);
-
- Endpoint_ClearEndpoints();
-
- Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,
- ENDPOINT_DIR_OUT, USB_ControlEndpointSize,
- ENDPOINT_BANK_SINGLE);
-
- #if defined(INTERRUPT_CONTROL_ENDPOINT)
- USB_INT_Enable(USB_INT_RXSTPI);
- #endif
-
- EVENT_USB_Device_Reset();
- }
-
- if (USB_INT_HasOccurred(USB_INT_SOFI) && USB_INT_IsEnabled(USB_INT_SOFI))
- {
- USB_INT_Clear(USB_INT_SOFI);
-
- EVENT_USB_Device_StartOfFrame();
- }
- #endif
-
- #if defined(USB_CAN_BE_HOST)
- if (USB_INT_HasOccurred(USB_INT_DDISCI) && USB_INT_IsEnabled(USB_INT_DDISCI))
- {
- USB_INT_Clear(USB_INT_DDISCI);
- USB_INT_Clear(USB_INT_DCONNI);
- USB_INT_Disable(USB_INT_DDISCI);
-
- EVENT_USB_Host_DeviceUnattached();
-
- USB_ResetInterface();
- }
-
- if (USB_INT_HasOccurred(USB_INT_VBERRI) && USB_INT_IsEnabled(USB_INT_VBERRI))
- {
- USB_INT_Clear(USB_INT_VBERRI);
-
- USB_Host_VBUS_Manual_Off();
- USB_Host_VBUS_Auto_Off();
-
- EVENT_USB_Host_HostError(HOST_ERROR_VBusVoltageDip);
- EVENT_USB_Host_DeviceUnattached();
-
- USB_HostState = HOST_STATE_Unattached;
- }
-
- if (USB_INT_HasOccurred(USB_INT_SRPI) && USB_INT_IsEnabled(USB_INT_SRPI))
- {
- USB_INT_Clear(USB_INT_SRPI);
- USB_INT_Disable(USB_INT_SRPI);
-
- EVENT_USB_Host_DeviceAttached();
-
- USB_INT_Enable(USB_INT_DDISCI);
-
- USB_HostState = HOST_STATE_Powered;
- }
-
- if (USB_INT_HasOccurred(USB_INT_BCERRI) && USB_INT_IsEnabled(USB_INT_BCERRI))
- {
- USB_INT_Clear(USB_INT_BCERRI);
-
- EVENT_USB_Host_DeviceEnumerationFailed(HOST_ENUMERROR_NoDeviceDetected, 0);
- EVENT_USB_Host_DeviceUnattached();
-
- USB_ResetInterface();
- }
- #endif
-
- #if defined(USB_CAN_BE_BOTH)
- if (USB_INT_HasOccurred(USB_INT_IDTI) && USB_INT_IsEnabled(USB_INT_IDTI))
- {
- USB_INT_Clear(USB_INT_IDTI);
-
- if (USB_DeviceState != DEVICE_STATE_Unattached)
- EVENT_USB_Device_Disconnect();
-
- if (USB_HostState != HOST_STATE_Unattached)
- EVENT_USB_Host_DeviceUnattached();
-
- USB_CurrentMode = USB_GetUSBModeFromUID();
- EVENT_USB_UIDChange();
-
- USB_ResetInterface();
- }
- #endif
-}
-
-#if defined(INTERRUPT_CONTROL_ENDPOINT) && defined(USB_CAN_BE_DEVICE)
-ISR(USB_COM_vect, ISR_BLOCK)
-{
- uint8_t PrevSelectedEndpoint = Endpoint_GetCurrentEndpoint();
-
- USB_INT_Disable(USB_INT_RXSTPI);
- sei();
- USB_USBTask();
- USB_INT_Enable(USB_INT_RXSTPI);
-
- USB_INT_Clear(USB_INT_RXSTPI);
-
- Endpoint_SelectEndpoint(PrevSelectedEndpoint);
-}
-#endif
+/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2010 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 disclaim 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. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#include "USBInterrupt.h" + +void USB_INT_DisableAllInterrupts(void) +{ + #if defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) + USBCON &= ~((1 << VBUSTE) | (1 << IDTE)); + #elif defined(USB_SERIES_4_AVR) + USBCON &= ~(1 << VBUSTE); + #endif + + #if defined(USB_CAN_BE_HOST) + UHIEN = 0; + OTGIEN = 0; + #endif + + #if defined(USB_CAN_BE_DEVICE) + UDIEN = 0; + #endif +} + +void USB_INT_ClearAllInterrupts(void) +{ + #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) + USBINT = 0; + #endif + + #if defined(USB_CAN_BE_HOST) + UHINT = 0; + OTGINT = 0; + #endif + + #if defined(USB_CAN_BE_DEVICE) + UDINT = 0; + #endif +} + +ISR(USB_GEN_vect, ISR_BLOCK) +{ + #if defined(USB_CAN_BE_DEVICE) + #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) + if (USB_INT_HasOccurred(USB_INT_VBUS) && USB_INT_IsEnabled(USB_INT_VBUS)) + { + USB_INT_Clear(USB_INT_VBUS); + + if (USB_VBUS_GetStatus()) + { + USB_DeviceState = DEVICE_STATE_Powered; + EVENT_USB_Device_Connect(); + } + else + { + USB_DeviceState = DEVICE_STATE_Unattached; + EVENT_USB_Device_Disconnect(); + } + } + #endif + + if (USB_INT_HasOccurred(USB_INT_SUSPEND) && USB_INT_IsEnabled(USB_INT_SUSPEND)) + { + USB_INT_Clear(USB_INT_SUSPEND); + + USB_INT_Disable(USB_INT_SUSPEND); + USB_INT_Enable(USB_INT_WAKEUP); + + USB_CLK_Freeze(); + + if (!(USB_Options & USB_OPT_MANUAL_PLL)) + USB_PLL_Off(); + + #if defined(USB_SERIES_2_AVR) && !defined(NO_LIMITED_CONTROLLER_CONNECT) + USB_DeviceState = DEVICE_STATE_Unattached; + EVENT_USB_Device_Disconnect(); + #else + USB_DeviceState = DEVICE_STATE_Suspended; + EVENT_USB_Device_Suspend(); + #endif + } + + if (USB_INT_HasOccurred(USB_INT_WAKEUP) && USB_INT_IsEnabled(USB_INT_WAKEUP)) + { + if (!(USB_Options & USB_OPT_MANUAL_PLL)) + { + USB_PLL_On(); + while (!(USB_PLL_IsReady())); + } + + USB_CLK_Unfreeze(); + + USB_INT_Clear(USB_INT_WAKEUP); + + USB_INT_Disable(USB_INT_WAKEUP); + USB_INT_Enable(USB_INT_SUSPEND); + + #if defined(USB_SERIES_2_AVR) && !defined(NO_LIMITED_CONTROLLER_CONNECT) + USB_DeviceState = (USB_ConfigurationNumber) ? DEVICE_STATE_Configured : DEVICE_STATE_Powered; + EVENT_USB_Device_Connect(); + #else + USB_DeviceState = (USB_ConfigurationNumber) ? DEVICE_STATE_Configured : DEVICE_STATE_Addressed; + EVENT_USB_Device_WakeUp(); + #endif + } + + if (USB_INT_HasOccurred(USB_INT_EORSTI) && USB_INT_IsEnabled(USB_INT_EORSTI)) + { + USB_INT_Clear(USB_INT_EORSTI); + + USB_DeviceState = DEVICE_STATE_Default; + USB_ConfigurationNumber = 0; + + USB_INT_Clear(USB_INT_SUSPEND); + USB_INT_Disable(USB_INT_SUSPEND); + USB_INT_Enable(USB_INT_WAKEUP); + + Endpoint_ClearEndpoints(); + + Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL, + ENDPOINT_DIR_OUT, USB_ControlEndpointSize, + ENDPOINT_BANK_SINGLE); + + #if defined(INTERRUPT_CONTROL_ENDPOINT) + USB_INT_Enable(USB_INT_RXSTPI); + #endif + + EVENT_USB_Device_Reset(); + } + + if (USB_INT_HasOccurred(USB_INT_SOFI) && USB_INT_IsEnabled(USB_INT_SOFI)) + { + USB_INT_Clear(USB_INT_SOFI); + + EVENT_USB_Device_StartOfFrame(); + } + #endif + + #if defined(USB_CAN_BE_HOST) + if (USB_INT_HasOccurred(USB_INT_DDISCI) && USB_INT_IsEnabled(USB_INT_DDISCI)) + { + USB_INT_Clear(USB_INT_DDISCI); + USB_INT_Clear(USB_INT_DCONNI); + USB_INT_Disable(USB_INT_DDISCI); + + EVENT_USB_Host_DeviceUnattached(); + + USB_ResetInterface(); + } + + if (USB_INT_HasOccurred(USB_INT_VBERRI) && USB_INT_IsEnabled(USB_INT_VBERRI)) + { + USB_INT_Clear(USB_INT_VBERRI); + + USB_Host_VBUS_Manual_Off(); + USB_Host_VBUS_Auto_Off(); + + EVENT_USB_Host_HostError(HOST_ERROR_VBusVoltageDip); + EVENT_USB_Host_DeviceUnattached(); + + USB_HostState = HOST_STATE_Unattached; + } + + if (USB_INT_HasOccurred(USB_INT_SRPI) && USB_INT_IsEnabled(USB_INT_SRPI)) + { + USB_INT_Clear(USB_INT_SRPI); + USB_INT_Disable(USB_INT_SRPI); + + EVENT_USB_Host_DeviceAttached(); + + USB_INT_Enable(USB_INT_DDISCI); + + USB_HostState = HOST_STATE_Powered; + } + + if (USB_INT_HasOccurred(USB_INT_BCERRI) && USB_INT_IsEnabled(USB_INT_BCERRI)) + { + USB_INT_Clear(USB_INT_BCERRI); + + EVENT_USB_Host_DeviceEnumerationFailed(HOST_ENUMERROR_NoDeviceDetected, 0); + EVENT_USB_Host_DeviceUnattached(); + + USB_ResetInterface(); + } + #endif + + #if defined(USB_CAN_BE_BOTH) + if (USB_INT_HasOccurred(USB_INT_IDTI) && USB_INT_IsEnabled(USB_INT_IDTI)) + { + USB_INT_Clear(USB_INT_IDTI); + + if (USB_DeviceState != DEVICE_STATE_Unattached) + EVENT_USB_Device_Disconnect(); + + if (USB_HostState != HOST_STATE_Unattached) + EVENT_USB_Host_DeviceUnattached(); + + USB_CurrentMode = USB_GetUSBModeFromUID(); + EVENT_USB_UIDChange(); + + USB_ResetInterface(); + } + #endif +} + +#if defined(INTERRUPT_CONTROL_ENDPOINT) && defined(USB_CAN_BE_DEVICE) +ISR(USB_COM_vect, ISR_BLOCK) +{ + uint8_t PrevSelectedEndpoint = Endpoint_GetCurrentEndpoint(); + + USB_INT_Disable(USB_INT_RXSTPI); + sei(); + USB_USBTask(); + USB_INT_Enable(USB_INT_RXSTPI); + + USB_INT_Clear(USB_INT_RXSTPI); + + Endpoint_SelectEndpoint(PrevSelectedEndpoint); +} +#endif |