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Diffstat (limited to 'lib/lufa/Demos/DualRole/ClassDriver/MouseHostDevice/HostFunctions.c')
| -rw-r--r-- | lib/lufa/Demos/DualRole/ClassDriver/MouseHostDevice/HostFunctions.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/lib/lufa/Demos/DualRole/ClassDriver/MouseHostDevice/HostFunctions.c b/lib/lufa/Demos/DualRole/ClassDriver/MouseHostDevice/HostFunctions.c new file mode 100644 index 0000000000..8e602add1b --- /dev/null +++ b/lib/lufa/Demos/DualRole/ClassDriver/MouseHostDevice/HostFunctions.c @@ -0,0 +1,184 @@ +/* + 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 + * + * Host Mode USB Mouse functionality for the MouseHostDevice demo. This file contains the Host mode + * USB Mouse related code of the demo and is responsible for all the Host mode Mouse functionality. + */ + +#include "HostFunctions.h" + +/** LUFA HID Class driver interface configuration and state information. This structure is + * passed to all HID Class driver functions, so that multiple instances of the same class + * within a device can be differentiated from one another. + */ +USB_ClassInfo_HID_Host_t Mouse_HID_Host_Interface = + { + .Config = + { + .DataINPipe = + { + .Address = (PIPE_DIR_IN | 1), + .Banks = 1, + }, + .DataINPipe = + { + .Address = (PIPE_DIR_OUT | 2), + .Banks = 1, + }, + .HIDInterfaceProtocol = HID_CSCP_MouseBootProtocol, + }, + }; + + +/** 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); + + uint16_t ConfigDescriptorSize; + uint8_t ConfigDescriptorData[512]; + + if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData, + sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful) + { + printf("Error Retrieving Configuration Descriptor.\r\n"); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + return; + } + + if (HID_Host_ConfigurePipes(&Mouse_HID_Host_Interface, + ConfigDescriptorSize, ConfigDescriptorData) != HID_ENUMERROR_NoError) + { + printf("Attached Device Not a Valid Mouse.\r\n"); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + return; + } + + if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful) + { + printf("Error Setting Device Configuration.\r\n"); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + return; + } + + if (HID_Host_SetBootProtocol(&Mouse_HID_Host_Interface) != HOST_SENDCONTROL_Successful) + { + printf("Could not Set Boot Protocol Mode.\r\n"); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + return; + } + + printf("Mouse 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); +} + +/** Host USB management task. This task handles the control of USB Mice while in USB Host mode, + * setting up the appropriate data pipes and processing reports from the attached device. + */ +void MouseHost_Task(void) +{ + if (USB_HostState != HOST_STATE_Configured) + return; + + if (HID_Host_IsReportReceived(&Mouse_HID_Host_Interface)) + { + uint8_t LEDMask = LEDS_NO_LEDS; + + USB_MouseReport_Data_t MouseReport; + HID_Host_ReceiveReport(&Mouse_HID_Host_Interface, &MouseReport); + + printf_P(PSTR("dX:%2d dY:%2d Button:%d\r\n"), MouseReport.X, + MouseReport.Y, + MouseReport.Button); + if (MouseReport.X > 0) + LEDMask |= LEDS_LED1; + else if (MouseReport.X < 0) + LEDMask |= LEDS_LED2; + + if (MouseReport.Y > 0) + LEDMask |= LEDS_LED3; + else if (MouseReport.Y < 0) + LEDMask |= LEDS_LED4; + + if (MouseReport.Button) + LEDMask = LEDS_ALL_LEDS; + + LEDs_SetAllLEDs(LEDMask); + } +} + |