MouseHost.c 6.91 KB
Newer Older
1
2
/*
             LUFA Library
Dean Camera's avatar
Dean Camera committed
3
     Copyright (C) Dean Camera, 2010.
4
5
6
7
8
9
              
  dean [at] fourwalledcubicle [dot] com
      www.fourwalledcubicle.com
*/

/*
Dean Camera's avatar
Dean Camera committed
10
  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
11

12
13
14
15
16
17
18
  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 
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
  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 MouseHost demo. This file contains the main tasks of
 *  the demo and is responsible for the initial application hardware configuration.
 */
 
#include "MouseHost.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_Interface =
	{
		.Config =
			{
				.DataINPipeNumber       = 1,
48
49
				.DataINPipeDoubleBank   = false,
				
50
				.DataOUTPipeNumber      = 2,
51
				.DataOUTPipeDoubleBank  = false,
52
				
53
				.HIDInterfaceProtocol   = HID_BOOT_MOUSE_PROTOCOL,
54
55
56
57
58
			},
	};

	
/** Main program entry point. This routine configures the hardware required by the application, then
59
 *  enters a loop to run the application tasks in sequence.
60
61
62
63
64
65
66
67
 */
int main(void)
{
	SetupHardware();

	puts_P(PSTR(ESC_FG_CYAN "Mouse Host Demo running.\r\n" ESC_FG_WHITE));

	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
68
	sei();
69
70
71
72
73
74
75
76

	for (;;)
	{
		switch (USB_HostState)
		{
			case HOST_STATE_Addressed:
				LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
			
77
78
79
				uint16_t ConfigDescriptorSize;
				uint8_t  ConfigDescriptorData[512];

80
81
				if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
				                                       sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
82
				{
83
					puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
84
85
86
87
88
89
90
91
					LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
					USB_HostState = HOST_STATE_WaitForDeviceRemoval;
					break;
				}

				if (HID_Host_ConfigurePipes(&Mouse_HID_Interface,
				                            ConfigDescriptorSize, ConfigDescriptorData) != HID_ENUMERROR_NoError)
				{
92
					puts_P(PSTR("Attached Device Not a Valid Mouse.\r\n"));
93
94
95
96
97
98
99
					LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
					USB_HostState = HOST_STATE_WaitForDeviceRemoval;
					break;
				}
				
				if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
				{
100
					puts_P(PSTR("Error Setting Device Configuration.\r\n"));
101
102
103
104
					LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
					USB_HostState = HOST_STATE_WaitForDeviceRemoval;
					break;
				}
105

106
				if (HID_Host_SetBootProtocol(&Mouse_HID_Interface) != 0)
107
				{
108
					puts_P(PSTR("Could not Set Boot Protocol Mode.\r\n"));
109
110
111
112
					LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
					USB_HostState = HOST_STATE_WaitForDeviceRemoval;
					break;
				}
113
				
114
				puts_P(PSTR("Mouse Enumerated.\r\n"));
115
				LEDs_SetAllLEDs(LEDMASK_USB_READY);
116
117
				USB_HostState = HOST_STATE_Configured;
				break;
118
119
120
			case HOST_STATE_Configured:
				if (HID_Host_IsReportReceived(&Mouse_HID_Interface))
				{
121
					uint8_t LEDMask  = LEDS_NO_LEDS;
122
				
123
124
					USB_MouseReport_Data_t MouseReport;
					HID_Host_ReceiveReport(&Mouse_HID_Interface, &MouseReport);
125
					
126
127
128
					printf_P(PSTR("dX:%2d dY:%2d Button:%d\r\n"), MouseReport.X,
																  MouseReport.Y,
																  MouseReport.Button);
129
130
131
132
133
134
135
136
137
138
139
140
					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;
141

142
143
144
					LEDs_SetAllLEDs(LEDMask);
				}
				
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
				break;
		}
	
		HID_Host_USBTask(&Mouse_HID_Interface);
		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 */
	SerialStream_Init(9600, false);
	LEDs_Init();
	USB_Init();
}

/** 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.
 */
172
void EVENT_USB_Host_DeviceAttached(void)
173
174
175
176
177
178
179
180
{
	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.
 */
181
void EVENT_USB_Host_DeviceUnattached(void)
182
183
184
185
186
187
188
189
{
	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.
 */
190
void EVENT_USB_Host_DeviceEnumerationComplete(void)
191
192
193
194
195
{
	LEDs_SetAllLEDs(LEDMASK_USB_READY);
}

/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
196
void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
197
198
199
{
	USB_ShutDown();

200
201
	printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
	                         " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
202
203
204
205
206
207
208
209

	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.
 */
210
void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
211
{
212
213
214
215
	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);
216
217
218
	
	LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
}