Add missing SVN eol-style properties to source files to prevent mixed end-of-line...
[pub/USBasp.git] / Demos / Host / Incomplete / AndroidAccessoryHost / AndroidAccessoryHost.c
index 3cb2f53..69202f7 100644 (file)
-/*\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\r
- *  of the demo and is responsible for the initial application hardware configuration.\r
- */\r
-\r
-#include "AndroidAccessoryHost.h"\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
-               Android_Host_Task();\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
-/** 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(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));\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(ESC_FG_GREEN "\r\nDevice Unattached.\r\n" ESC_FG_WHITE));\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_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
-/** Task to set the configuration of the attached device after it has been enumerated. */\r
-void Android_Host_Task(void)\r
-{\r
-       uint8_t ErrorCode;\r
-\r
-       switch (USB_HostState)\r
-       {\r
-               case HOST_STATE_Addressed:\r
-                       puts_P(PSTR("Getting Device Data.\r\n"));\r
-\r
-                       /* Get and process the configuration descriptor data */\r
-                       ErrorCode = ProcessDeviceDescriptor();\r
-                       \r
-                       /* Save whether the Android device needs to be mode-switched later on */\r
-                       bool RequiresModeSwitch = (ErrorCode == NonAccessoryModeAndroidDevice);\r
-                       \r
-                       /* Error out if the device is not an Android device or an error occurred */\r
-                       if ((ErrorCode != AccessoryModeAndroidDevice) && !(RequiresModeSwitch))\r
-                       {\r
-                               if (ErrorCode == DevControlError)\r
-                                 puts_P(PSTR(ESC_FG_RED "Control Error (Get Device).\r\n"));\r
-                               else\r
-                                 puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));\r
-\r
-                               printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);\r
-\r
-                               /* Indicate error via status LEDs */\r
-                               LEDs_SetAllLEDs(LEDS_LED1);\r
-\r
-                               /* Wait until USB device disconnected */\r
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
-                               break;\r
-                       }\r
-\r
-                       printf_P(PSTR("Android Device Detected - %sAccessory mode.\r\n"), (RequiresModeSwitch ? "Non-" : ""));\r
-\r
-                       /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */\r
-                       if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)\r
-                       {\r
-                               printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"\r
-                                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);\r
-\r
-                               /* Indicate error via status LEDs */\r
-                               LEDs_SetAllLEDs(LEDS_LED1);\r
-\r
-                               /* Wait until USB device disconnected */\r
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
-                               break;\r
-                       }\r
-                       \r
-                       /* Check if a valid Android device was attached, but it is not current in Accessory mode */\r
-                       if (RequiresModeSwitch)\r
-                       {\r
-                               USB_ControlRequest = (USB_Request_Header_t)\r
-                               {\r
-                                       .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_VENDOR | REQREC_DEVICE),\r
-                                       .bRequest      = ANDROID_Req_StartAccessoryMode,\r
-                                       .wValue        = 0,\r
-                                       .wIndex        = 0,\r
-                                       .wLength       = 0,\r
-                               };\r
-\r
-                               /* Send the control request for the Android device to switch to accessory mode */\r
-                               Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
-                               USB_Host_SendControlRequest(NULL);\r
-                       \r
-                               /* Wait until USB device disconnected */\r
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
-                               break;\r
-                       }\r
-\r
-                       puts_P(PSTR("Getting Config Data.\r\n"));\r
-\r
-                       /* Get and process the configuration descriptor data */\r
-                       if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)\r
-                       {\r
-                               if (ErrorCode == ControlError)\r
-                                 puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));\r
-                               else\r
-                                 puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));\r
-\r
-                               printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);\r
-\r
-                               /* Indicate error via status LEDs */\r
-                               LEDs_SetAllLEDs(LEDS_LED1);\r
-\r
-                               /* Wait until USB device disconnected */\r
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
-                               break;\r
-                       }\r
-\r
-                       puts_P(PSTR("Accessory Mode Android Enumerated.\r\n"));\r
-\r
-                       USB_HostState = HOST_STATE_Configured;\r
-                       break;\r
-               case HOST_STATE_Configured:\r
-                       /* Select the data IN pipe */\r
-                       Pipe_SelectPipe(ANDROID_DATA_IN_PIPE);\r
-                       Pipe_Unfreeze();\r
-\r
-                       /* Check to see if a packet has been received */\r
-                       if (Pipe_IsINReceived())\r
-                       {\r
-                               /* Re-freeze IN pipe after the packet has been received */\r
-                               Pipe_Freeze();\r
-\r
-                               /* Check if data is in the pipe */\r
-                               if (Pipe_IsReadWriteAllowed())\r
-                               {\r
-                                       uint8_t NextReceivedByte = Pipe_BytesInPipe();\r
-                                       uint8_t LEDMask          = LEDS_NO_LEDS;\r
-\r
-                                       if (NextReceivedByte & 0x01)\r
-                                               LEDMask |= LEDS_LED1;\r
-\r
-                                       if (NextReceivedByte & 0x02)\r
-                                               LEDMask |= LEDS_LED2;\r
-\r
-                                       if (NextReceivedByte & 0x04)\r
-                                               LEDMask |= LEDS_LED3;\r
-\r
-                                       if (NextReceivedByte & 0x08)\r
-                                               LEDMask |= LEDS_LED4;\r
-\r
-                                       LEDs_SetAllLEDs(LEDMask);\r
-                               }\r
-                               else\r
-                               {\r
-                                       /* Clear the pipe after all data in the packet has been read, ready for the next packet */\r
-                                       Pipe_ClearIN();\r
-                               }\r
-                       }\r
-\r
-                       /* Re-freeze IN pipe after use */\r
-                       Pipe_Freeze();\r
-                       break;                  \r
-       }\r
-}\r
-\r
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  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.
+*/
+
+/** \file
+ *
+ *  Main source file for the AndroidAccessoryHost demo. This file contains the main tasks
+ *  of the demo and is responsible for the initial application hardware configuration.
+ */
+
+#include "AndroidAccessoryHost.h"
+
+/** Main program entry point. This routine configures the hardware required by the application, then
+ *  enters a loop to run the application tasks in sequence.
+ */
+int main(void)
+{
+       SetupHardware();
+
+       puts_P(PSTR(ESC_FG_CYAN "Android Accessory Host Demo running.\r\n" ESC_FG_WHITE));
+
+       LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+       sei();
+
+       for (;;)
+       {
+               Android_Host_Task();
+               USB_USBTask();
+       }
+}
+
+/** Configures the board hardware and chip peripherals for the demo's functionality. */
+void SetupHardware(void)
+{
+       /* Disable watchdog if enabled by bootloader/fuses */
+       MCUSR &= ~(1 << WDRF);
+       wdt_disable();
+
+       /* Disable clock division */
+       clock_prescale_set(clock_div_1);
+
+       /* Hardware Initialization */
+       Serial_Init(9600, false);
+       LEDs_Init();
+       USB_Init();
+
+       /* Create a stdio stream for the serial port for stdin and stdout */
+       Serial_CreateStream(NULL);
+}
+
+/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
+ *  starts the library USB task to begin the enumeration and USB management process.
+ */
+void EVENT_USB_Host_DeviceAttached(void)
+{
+       puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));
+       LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+}
+
+/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
+ *  stops the library USB task management process.
+ */
+void EVENT_USB_Host_DeviceUnattached(void)
+{
+       puts_P(PSTR(ESC_FG_GREEN "\r\nDevice Unattached.\r\n" ESC_FG_WHITE));
+       LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+}
+
+/** 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)
+{
+       LEDs_SetAllLEDs(LEDMASK_USB_READY);
+}
+
+/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
+void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
+{
+       USB_Disable();
+
+       printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
+                                " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+       for(;;);
+}
+
+/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
+ *  enumerating an attached USB device.
+ */
+void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
+                                            const uint8_t SubErrorCode)
+{
+       printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
+                                " -- Error Code %d\r\n"
+                                " -- Sub Error Code %d\r\n"
+                                " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
+
+       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+}
+
+/** 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;                  
+       }
+}
+