Add new Android Open Accessory class driver to the library core and add a new Android...
[pub/lufa.git] / Demos / Host / ClassDriver / AndroidAccessoryHost / AndroidAccessoryHost.c
diff --git a/Demos/Host/ClassDriver/AndroidAccessoryHost/AndroidAccessoryHost.c b/Demos/Host/ClassDriver/AndroidAccessoryHost/AndroidAccessoryHost.c
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+/*\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