void processUsbSendQueue(UsbDevice* usbDevice) { USB_USBTask(); if(usbDevice->configured && (USB_DeviceState != DEVICE_STATE_Configured || !vbusDetected() || !usbHostDetected())) { EVENT_USB_Device_Disconnect(); } else { sendToHost(usbDevice); } }
ISR(USB_GEN_vect, ISR_BLOCK) { #if defined(USB_CAN_BE_DEVICE) #if !defined(NO_SOF_EVENTS) 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_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) if (USB_INT_HasOccurred(USB_INT_VBUSTI) && USB_INT_IsEnabled(USB_INT_VBUSTI)) { USB_INT_Clear(USB_INT_VBUSTI); if (USB_VBUS_GetStatus()) { if (!(USB_Options & USB_OPT_MANUAL_PLL)) { USB_PLL_On(); while (!(USB_PLL_IsReady())); } USB_DeviceState = DEVICE_STATE_Powered; EVENT_USB_Device_Connect(); } else { if (!(USB_Options & USB_OPT_MANUAL_PLL)) USB_PLL_Off(); USB_DeviceState = DEVICE_STATE_Unattached; EVENT_USB_Device_Disconnect(); } } #endif if (USB_INT_HasOccurred(USB_INT_SUSPI) && USB_INT_IsEnabled(USB_INT_SUSPI)) { USB_INT_Disable(USB_INT_SUSPI); USB_INT_Enable(USB_INT_WAKEUPI); 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_WAKEUPI) && USB_INT_IsEnabled(USB_INT_WAKEUPI)) { if (!(USB_Options & USB_OPT_MANUAL_PLL)) { USB_PLL_On(); while (!(USB_PLL_IsReady())); } USB_CLK_Unfreeze(); USB_INT_Clear(USB_INT_WAKEUPI); USB_INT_Disable(USB_INT_WAKEUPI); USB_INT_Enable(USB_INT_SUSPI); if (USB_Device_ConfigurationNumber) USB_DeviceState = DEVICE_STATE_Configured; else USB_DeviceState = (USB_Device_IsAddressSet()) ? DEVICE_STATE_Configured : DEVICE_STATE_Powered; #if defined(USB_SERIES_2_AVR) && !defined(NO_LIMITED_CONTROLLER_CONNECT) EVENT_USB_Device_Connect(); #else 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_Device_ConfigurationNumber = 0; USB_INT_Clear(USB_INT_SUSPI); USB_INT_Disable(USB_INT_SUSPI); USB_INT_Enable(USB_INT_WAKEUPI); Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL, ENDPOINT_DIR_OUT, USB_Device_ControlEndpointSize, ENDPOINT_BANK_SINGLE); #if defined(INTERRUPT_CONTROL_ENDPOINT) USB_INT_Enable(USB_INT_RXSTPI); #endif EVENT_USB_Device_Reset(); } #endif #if defined(USB_CAN_BE_HOST) #if !defined(NO_SOF_EVENTS) if (USB_INT_HasOccurred(USB_INT_HSOFI) && USB_INT_IsEnabled(USB_INT_HSOFI)) { USB_INT_Clear(USB_INT_HSOFI); EVENT_USB_Host_StartOfFrame(); } #endif 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(); USB_ResetInterface(); EVENT_USB_UIDChange(); } #endif }