--- /dev/null
+/*\r
+ LUFA Library\r
+ Copyright (C) Dean Camera, 2011.\r
+\r
+ dean [at] fourwalledcubicle [dot] com\r
+ www.lufa-lib.org\r
+*/\r
+\r
+/*\r
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+ Permission to use, copy, modify, distribute, and sell this\r
+ software and its documentation for any purpose is hereby granted\r
+ without fee, provided that the above copyright notice appear in\r
+ all copies and that both that the copyright notice and this\r
+ permission notice and warranty disclaimer appear in supporting\r
+ documentation, and that the name of the author not be used in\r
+ advertising or publicity pertaining to distribution of the\r
+ software without specific, written prior permission.\r
+\r
+ The author disclaim all warranties with regard to this\r
+ software, including all implied warranties of merchantability\r
+ and fitness. In no event shall the author be liable for any\r
+ special, indirect or consequential damages or any damages\r
+ whatsoever resulting from loss of use, data or profits, whether\r
+ in an action of contract, negligence or other tortious action,\r
+ arising out of or in connection with the use or performance of\r
+ this software.\r
+*/\r
+\r
+/** \file\r
+ *\r
+ * Main source file for the AndroidAccessoryHost demo. This file contains the main tasks of\r
+ * the demo and is responsible for the initial application hardware configuration.\r
+ */\r
+\r
+#include "AndroidAccessoryHost.h"\r
+\r
+/** LUFA Android Open Accessory Class driver interface configuration and state information. This\r
+ * structure is passed to all Android Open Accessory Class driver functions, so that multiple\r
+ * instances of the same class within a device can be differentiated from one another.\r
+ */\r
+USB_ClassInfo_AOA_Host_t AndroidDevice_AOA_Interface =\r
+ {\r
+ .Config =\r
+ {\r
+ .DataINPipeNumber = 1,\r
+ .DataINPipeDoubleBank = false,\r
+\r
+ .DataOUTPipeNumber = 2,\r
+ .DataOUTPipeDoubleBank = false,\r
+ \r
+ .PropertyStrings =\r
+ {\r
+ .Manufacturer = "Dean Camera",\r
+ .Model = "LUFA Android Demo",\r
+ .Description = "LUFA Android Demo",\r
+ .Version = "1.0",\r
+ .URI = "http://www.lufa-lib.org",\r
+ .Serial = "0000000012345678",\r
+ },\r
+ },\r
+ };\r
+\r
+\r
+/** Main program entry point. This routine configures the hardware required by the application, then\r
+ * enters a loop to run the application tasks in sequence.\r
+ */\r
+int main(void)\r
+{\r
+ SetupHardware();\r
+ \r
+ puts_P(PSTR(ESC_FG_CYAN "Android Accessory Host Demo running.\r\n" ESC_FG_WHITE));\r
+\r
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
+ sei();\r
+\r
+ for (;;)\r
+ {\r
+ AOAHost_Task();\r
+\r
+ AOA_Host_USBTask(&AndroidDevice_AOA_Interface);\r
+ USB_USBTask();\r
+ }\r
+}\r
+\r
+/** Configures the board hardware and chip peripherals for the demo's functionality. */\r
+void SetupHardware(void)\r
+{\r
+ /* Disable watchdog if enabled by bootloader/fuses */\r
+ MCUSR &= ~(1 << WDRF);\r
+ wdt_disable();\r
+\r
+ /* Disable clock division */\r
+ clock_prescale_set(clock_div_1);\r
+\r
+ /* Hardware Initialization */\r
+ Serial_Init(9600, false);\r
+ LEDs_Init();\r
+ USB_Init();\r
+\r
+ /* Create a stdio stream for the serial port for stdin and stdout */\r
+ Serial_CreateStream(NULL);\r
+}\r
+\r
+/** Task to manage an enumerated USB Android Accessory device once connected, to print received data\r
+ * from the device to the serial port.\r
+ */\r
+void AOAHost_Task(void)\r
+{\r
+ if (USB_HostState != HOST_STATE_Configured)\r
+ return;\r
+\r
+ if (AOA_Host_BytesReceived(&AndroidDevice_AOA_Interface))\r
+ {\r
+ /* Echo received bytes from the attached device through the USART */\r
+ int16_t ReceivedByte = AOA_Host_ReceiveByte(&AndroidDevice_AOA_Interface);\r
+ if (!(ReceivedByte < 0))\r
+ putchar(ReceivedByte);\r
+ }\r
+}\r
+\r
+/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and\r
+ * starts the library USB task to begin the enumeration and USB management process.\r
+ */\r
+void EVENT_USB_Host_DeviceAttached(void)\r
+{\r
+ puts_P(PSTR("Device Attached.\r\n"));\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
+}\r
+\r
+/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and\r
+ * stops the library USB task management process.\r
+ */\r
+void EVENT_USB_Host_DeviceUnattached(void)\r
+{\r
+ puts_P(PSTR("\r\nDevice Unattached.\r\n"));\r
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
+}\r
+\r
+/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully\r
+ * enumerated by the host and is now ready to be used by the application.\r
+ */\r
+void EVENT_USB_Host_DeviceEnumerationComplete(void)\r
+{\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
+\r
+ USB_Descriptor_Device_t DeviceDescriptor;\r
+\r
+ if (USB_Host_GetDeviceDescriptor(&DeviceDescriptor) != HOST_SENDCONTROL_Successful)\r
+ {\r
+ puts_P(PSTR("Error Retrieving Device Descriptor.\r\n"));\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ return; \r
+ }\r
+\r
+ bool NeedModeSwitch;\r
+ if (!(AOA_Host_ValidateAccessoryDevice(&AndroidDevice_AOA_Interface, &DeviceDescriptor, &NeedModeSwitch)))\r
+ {\r
+ puts_P(PSTR("Not an Android device.\r\n"));\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ return;\r
+ }\r
+ \r
+ if (NeedModeSwitch)\r
+ {\r
+ puts_P(PSTR("Not in Accessory mode, switching...\r\n"));\r
+ AOA_Host_StartAccessoryMode(&AndroidDevice_AOA_Interface);\r
+ return;\r
+ }\r
+\r
+ uint16_t ConfigDescriptorSize;\r
+ uint8_t ConfigDescriptorData[512];\r
+\r
+ if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,\r
+ sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)\r
+ {\r
+ puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ return;\r
+ }\r
+\r
+ if (AOA_Host_ConfigurePipes(&AndroidDevice_AOA_Interface,\r
+ ConfigDescriptorSize, ConfigDescriptorData) != AOA_ENUMERROR_NoError)\r
+ {\r
+ puts_P(PSTR("Attached Device Not a Valid Android Accessory Class Device.\r\n"));\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ return;\r
+ }\r
+\r
+ if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)\r
+ {\r
+ puts_P(PSTR("Error Setting Device Configuration.\r\n"));\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ return;\r
+ }\r
+\r
+ puts_P(PSTR("Android Device Enumerated.\r\n"));\r
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
+}\r
+\r
+/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */\r
+void EVENT_USB_Host_HostError(const uint8_t ErrorCode)\r
+{\r
+ USB_Disable();\r
+\r
+ printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"\r
+ " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);\r
+\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ for(;;);\r
+}\r
+\r
+/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while\r
+ * enumerating an attached USB device.\r
+ */\r
+void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,\r
+ const uint8_t SubErrorCode)\r
+{\r
+ printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"\r
+ " -- Error Code %d\r\n"\r
+ " -- Sub Error Code %d\r\n"\r
+ " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);\r
+\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+}\r
+\r