--- /dev/null
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2017.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2017 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 disclaims 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"
+
+/** LUFA Android Open Accessory Class driver interface configuration and state information. This
+ * structure is passed to all Android Open Accessory Class driver functions, so that multiple
+ * instances of the same class within a device can be differentiated from one another.
+ */
+USB_ClassInfo_AOA_Host_t AndroidDevice_AOA_Interface =
+ {
+ .Config =
+ {
+ .DataINPipe =
+ {
+ .Address = (PIPE_DIR_IN | 1),
+ .Banks = 1,
+ },
+ .DataOUTPipe =
+ {
+ .Address = (PIPE_DIR_OUT | 2),
+ .Banks = 1,
+ },
+ .PropertyStrings =
+ {
+ [AOA_STRING_Manufacturer] = "Dean Camera",
+ [AOA_STRING_Model] = "LUFA Android Demo",
+ [AOA_STRING_Description] = "LUFA Android Demo",
+ [AOA_STRING_Version] = "1.0",
+ [AOA_STRING_URI] = "http://www.lufa-lib.org",
+ [AOA_STRING_Serial] = "0000000012345678",
+ },
+ },
+ };
+
+
+/** 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);
+ GlobalInterruptEnable();
+
+ for (;;)
+ {
+ AOAHost_Task();
+
+ AOA_Host_USBTask(&AndroidDevice_AOA_Interface);
+ USB_USBTask();
+ }
+}
+
+/** Configures the board hardware and chip peripherals for the demo's functionality. */
+void SetupHardware(void)
+{
+#if (ARCH == ARCH_AVR8)
+ /* Disable watchdog if enabled by bootloader/fuses */
+ MCUSR &= ~(1 << WDRF);
+ wdt_disable();
+
+ /* Disable clock division */
+ clock_prescale_set(clock_div_1);
+#endif
+
+ /* 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 manage an enumerated USB Android Accessory device once connected, to print received data
+ * from the device to the serial port.
+ */
+void AOAHost_Task(void)
+{
+ if (USB_HostState != HOST_STATE_Configured)
+ return;
+
+ if (AOA_Host_BytesReceived(&AndroidDevice_AOA_Interface))
+ {
+ /* Echo received bytes from the attached device through the USART */
+ int16_t ReceivedByte = AOA_Host_ReceiveByte(&AndroidDevice_AOA_Interface);
+ if (!(ReceivedByte < 0))
+ {
+ /* Turn on and off LED1 based on the bytes received */
+ LEDs_ChangeLEDs(LEDS_LED1, ReceivedByte ? LEDS_LED1 : LEDS_NO_LEDS);
+
+ putchar(ReceivedByte);
+ }
+ }
+}
+
+/** 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("Device Attached.\r\n"));
+ 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("\r\nDevice Unattached.\r\n"));
+ 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_ENUMERATING);
+
+ USB_Descriptor_Device_t DeviceDescriptor;
+
+ if (USB_Host_GetDeviceDescriptor(&DeviceDescriptor) != HOST_SENDCONTROL_Successful)
+ {
+ puts_P(PSTR("Error Retrieving Device Descriptor.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ return;
+ }
+
+ bool NeedModeSwitch;
+ if (!(AOA_Host_ValidateAccessoryDevice(&AndroidDevice_AOA_Interface, &DeviceDescriptor, &NeedModeSwitch)))
+ {
+ puts_P(PSTR("Not an Android device.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ return;
+ }
+
+ if (NeedModeSwitch)
+ {
+ puts_P(PSTR("Not in Accessory mode, switching...\r\n"));
+ AOA_Host_StartAccessoryMode(&AndroidDevice_AOA_Interface);
+ return;
+ }
+
+ uint16_t ConfigDescriptorSize;
+ uint8_t ConfigDescriptorData[512];
+
+ if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
+ sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
+ {
+ puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ return;
+ }
+
+ if (AOA_Host_ConfigurePipes(&AndroidDevice_AOA_Interface,
+ ConfigDescriptorSize, ConfigDescriptorData) != AOA_ENUMERROR_NoError)
+ {
+ puts_P(PSTR("Attached Device Not a Valid Android Accessory Class Device.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ return;
+ }
+
+ if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
+ {
+ puts_P(PSTR("Error Setting Device Configuration.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ return;
+ }
+
+ puts_P(PSTR("Android Device 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 / qmk_firmware.git / blobdiff