/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully * enumerated by the host and is now ready to be used by the application. */ void EVENT_USB_Host_DeviceEnumerationComplete(void) { puts_P(PSTR("Getting Device Data.\r\n")); uint8_t ErrorCode; /* Get and process the configuration descriptor data */ if ((ErrorCode = ProcessDeviceDescriptor()) != SuccessfulDeviceRead) { if (ErrorCode == DevControlError) puts_P(PSTR(ESC_FG_RED "Control Error (Get Device).\r\n")); else puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n")); printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); return; } puts_P(PSTR("Getting Config Data.\r\n")); /* Get and process the configuration descriptor data */ if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead) { if (ErrorCode == ControlError) puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n")); else puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n")); printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); return; } /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */ if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful) { printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n" " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); return; } puts_P(PSTR("Bluetooth Dongle Enumerated.\r\n")); /* Initialize the Bluetooth stack */ Bluetooth_Stack_Init(); LEDs_SetAllLEDs(LEDMASK_USB_READY); }
/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully * enumerated by the host and is now ready to be used by the application. */ void EVENT_USB_Host_DeviceEnumerationComplete(void) { puts_P(PSTR("Getting Device Data.\r\n")); /* Get and process the configuration descriptor data */ uint8_t ErrorCode = ProcessDeviceDescriptor(); bool RequiresModeSwitch = (ErrorCode == NonAccessoryModeAndroidDevice); /* Error out if the device is not an Android device or an error occurred */ if ((ErrorCode != AccessoryModeAndroidDevice) && (ErrorCode != NonAccessoryModeAndroidDevice)) { if (ErrorCode == ControlError) puts_P(PSTR(ESC_FG_RED "Control Error (Get Device).\r\n")); else puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n")); printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); return; } printf_P(PSTR("Android Device Detected - %sAccessory mode.\r\n"), (RequiresModeSwitch ? "Non-" : "")); /* Check if a valid Android device was attached, but it is not current in Accessory mode */ if (RequiresModeSwitch) { uint16_t AndroidProtocol; /* Fetch the version of the Android Accessory Protocol supported by the device */ if ((ErrorCode = Android_GetAccessoryProtocol(&AndroidProtocol)) != HOST_SENDCONTROL_Successful) { printf_P(PSTR(ESC_FG_RED "Control Error (Get Protocol).\r\n" " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); return; } /* Validate the returned protocol version */ if (AndroidProtocol != AOA_PROTOCOL_AccessoryV1) { puts_P(PSTR(ESC_FG_RED "Accessory Mode Not Supported.")); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); return; } /* Send the device strings and start the Android Accessory Mode */ Android_SendString(AOA_STRING_Manufacturer, "Dean Camera"); Android_SendString(AOA_STRING_Model, "LUFA Android Demo"); Android_SendString(AOA_STRING_Description, "LUFA Android Demo"); Android_SendString(AOA_STRING_Version, "1.0"); Android_SendString(AOA_STRING_URI, "http://www.lufa-lib.org"); Android_SendString(AOA_STRING_Serial, "0000000012345678"); Android_StartAccessoryMode(); return; } puts_P(PSTR("Getting Config Data.\r\n")); /* Get and process the configuration descriptor data */ if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead) { if (ErrorCode == ControlError) puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n")); else puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n")); printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); return; } /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */ if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful) { printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n" " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); return; } puts_P(PSTR("Accessory Mode Android Enumerated.\r\n")); LEDs_SetAllLEDs(LEDMASK_USB_READY); }
/** Task to set the configuration of the attached device after it has been enumerated. */ void Bluetooth_Host_Task(void) { uint8_t ErrorCode; switch (USB_HostState) { case HOST_STATE_Addressed: puts_P(PSTR("Getting Device Data.\r\n")); /* Get and process the configuration descriptor data */ if ((ErrorCode = ProcessDeviceDescriptor()) != SuccessfulDeviceRead) { if (ErrorCode == DevControlError) puts_P(PSTR(ESC_FG_RED "Control Error (Get Device).\r\n")); else puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n")); printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); /* Indicate error via status LEDs */ LEDs_SetAllLEDs(LEDS_LED1); /* Wait until USB device disconnected */ USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } puts_P(PSTR("Bluetooth Dongle Detected.\r\n")); /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */ if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful) { printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n" " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); /* Indicate error via status LEDs */ LEDs_SetAllLEDs(LEDS_LED1); /* Wait until USB device disconnected */ USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } puts_P(PSTR("Getting Config Data.\r\n")); /* Get and process the configuration descriptor data */ if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead) { if (ErrorCode == ControlError) puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n")); else puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n")); printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); /* Indicate error via status LEDs */ LEDs_SetAllLEDs(LEDS_LED1); /* Wait until USB device disconnected */ USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } puts_P(PSTR("Bluetooth Dongle Enumerated.\r\n")); /* Initialize the Bluetooth stack */ Bluetooth_Stack_Init(); USB_HostState = HOST_STATE_Configured; break; } }
/** Task to set the configuration of the attached device after it has been enumerated. */ void Android_Host_Task(void) { uint8_t ErrorCode; switch (USB_HostState) { case HOST_STATE_Addressed: puts_P(PSTR("Getting Device Data.\r\n")); /* Get and process the configuration descriptor data */ ErrorCode = ProcessDeviceDescriptor(); /* Save whether the Android device needs to be mode-switched later on */ bool RequiresModeSwitch = (ErrorCode == NonAccessoryModeAndroidDevice); /* Error out if the device is not an Android device or an error occurred */ if ((ErrorCode != AccessoryModeAndroidDevice) && !(RequiresModeSwitch)) { if (ErrorCode == DevControlError) puts_P(PSTR(ESC_FG_RED "Control Error (Get Device).\r\n")); else puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n")); printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); /* Indicate error via status LEDs */ LEDs_SetAllLEDs(LEDS_LED1); /* Wait until USB device disconnected */ USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } printf_P(PSTR("Android Device Detected - %sAccessory mode.\r\n"), (RequiresModeSwitch ? "Non-" : "")); /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */ if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful) { printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n" " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); /* Indicate error via status LEDs */ LEDs_SetAllLEDs(LEDS_LED1); /* Wait until USB device disconnected */ USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } /* Check if a valid Android device was attached, but it is not current in Accessory mode */ if (RequiresModeSwitch) { USB_ControlRequest = (USB_Request_Header_t) { .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_VENDOR | REQREC_DEVICE), .bRequest = ANDROID_Req_StartAccessoryMode, .wValue = 0, .wIndex = 0, .wLength = 0, }; /* Send the control request for the Android device to switch to accessory mode */ Pipe_SelectPipe(PIPE_CONTROLPIPE); USB_Host_SendControlRequest(NULL); /* Wait until USB device disconnected */ USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } puts_P(PSTR("Getting Config Data.\r\n")); /* Get and process the configuration descriptor data */ if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead) { if (ErrorCode == ControlError) puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n")); else puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n")); printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); /* Indicate error via status LEDs */ LEDs_SetAllLEDs(LEDS_LED1); /* Wait until USB device disconnected */ USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } puts_P(PSTR("Accessory Mode Android Enumerated.\r\n")); USB_HostState = HOST_STATE_Configured; break; case HOST_STATE_Configured: /* Select the data IN pipe */ Pipe_SelectPipe(ANDROID_DATA_IN_PIPE); Pipe_Unfreeze(); /* Check to see if a packet has been received */ if (Pipe_IsINReceived()) { /* Re-freeze IN pipe after the packet has been received */ Pipe_Freeze(); /* Check if data is in the pipe */ if (Pipe_IsReadWriteAllowed()) { uint8_t NextReceivedByte = Pipe_BytesInPipe(); uint8_t LEDMask = LEDS_NO_LEDS; if (NextReceivedByte & 0x01) LEDMask |= LEDS_LED1; if (NextReceivedByte & 0x02) LEDMask |= LEDS_LED2; if (NextReceivedByte & 0x04) LEDMask |= LEDS_LED3; if (NextReceivedByte & 0x08) LEDMask |= LEDS_LED4; LEDs_SetAllLEDs(LEDMask); } else { /* Clear the pipe after all data in the packet has been read, ready for the next packet */ Pipe_ClearIN(); } } /* Re-freeze IN pipe after use */ Pipe_Freeze(); break; } }