1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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.
*/
#include "TestAndMeasurement.h"
/** Contains the (usually static) capabilities of the TMC device. This table is requested by the
* host upon enumeration to give it information on what features of the Test and Measurement USB
* Class the device supports.
*/
TMC_Capabilities_t Capabilities =
{
.Status = TMC_REQUEST_STATUS_SUCCESS,
.TMCVersion = VERSION_BCD(1.00),
.Interface =
{
.ListenOnly = false,
.TalkOnly = false,
.PulseIndicateSupported = true,
},
.Device =
{
.SupportsAbortINOnMatch = false,
},
};
/** Main program entry point. This routine contains the overall program flow, including initial
* setup of all components and the main program loop.
*/
int main(void)
{
SetupHardware();
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
sei();
for (;;)
{
TMC_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 */
LEDs_Init();
USB_Init();
}
void EVENT_USB_Device_Connect(void)
{
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
}
void EVENT_USB_Device_Disconnect(void)
{
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
}
void EVENT_USB_Device_ConfigurationChanged(void)
{
LEDs_SetAllLEDs(LEDMASK_USB_READY);
/* Setup TMC In and Out Endpoints */
if (!(Endpoint_ConfigureEndpoint(TMC_IN_EPNUM, EP_TYPE_BULK,
ENDPOINT_DIR_IN, TMC_IO_EPSIZE,
ENDPOINT_BANK_SINGLE)))
{
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
}
if (!(Endpoint_ConfigureEndpoint(TMC_OUT_EPNUM, EP_TYPE_BULK,
ENDPOINT_DIR_OUT, TMC_IO_EPSIZE,
ENDPOINT_BANK_SINGLE)))
{
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
}
}
void EVENT_USB_Device_UnhandledControlRequest(void)
{
switch (USB_ControlRequest.bRequest)
{
case Req_InitiateAbortBulkOut:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_ENDPOINT))
{
}
break;
case Req_CheckAbortBulkOutStatus:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_ENDPOINT))
{
}
break;
case Req_InitiateAbortBulkIn:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_ENDPOINT))
{
}
break;
case Req_CheckAbortBulkInStatus:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_ENDPOINT))
{
}
break;
case Req_InitiateClear:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
{
}
break;
case Req_CheckClearStatus:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
{
}
break;
case Req_GetCapabilities:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
{
/* Acknowledge the SETUP packet, ready for data transfer */
Endpoint_ClearSETUP();
/* Write the device capabilities to the control endpoint */
Endpoint_Write_Control_Stream_LE(&Capabilities, sizeof(TMC_Capabilities_t));
/* Finalize the stream transfer to send the last packet or clear the host abort */
Endpoint_ClearOUT();
}
break;
}
}
void TMC_Task(void)
{
/* Device must be connected and configured for the task to run */
if (USB_DeviceState != DEVICE_STATE_Configured)
return;
Endpoint_SelectEndpoint(TMC_OUT_EPNUM);
if (Endpoint_IsOUTReceived())
{
// TEMP - Indicate data received
LEDs_SetAllLEDs(LEDS_ALL_LEDS);
Endpoint_ClearOUT();
}
}
|