-/*
- 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 (;;)
- {
- AndroidHost_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);
-}
-
-/** Task to set the configuration of the attached device after it has been enumerated. */
-void AndroidHost_Task(void)
-{
- if (USB_HostState != HOST_STATE_Configured)
- return;
-
- /* 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();
-}
-
-/** 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)
-{
- 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 != ANDROID_PROTOCOL_Accessory)
- {
- 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(ANDROID_STRING_Manufacturer, "Dean Camera");
- Android_SendString(ANDROID_STRING_Model, "LUFA Android Demo");
- Android_SendString(ANDROID_STRING_Description, "LUFA Android Demo");
- Android_SendString(ANDROID_STRING_Version, "1.0");
- Android_SendString(ANDROID_STRING_URI, "http://www.lufa-lib.org");
- Android_SendString(ANDROID_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);
-}
-
-/** 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);
-}
-
projects / pub / lufa.git / blobdiff