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
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
|
/*
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.
*/
/** \file
*
* Main source file for the BluetoothHost demo. This file contains the main tasks of
* the demo and is responsible for the initial application hardware configuration.
*/
#include "BluetoothHost.h"
/** Bluetooth configuration structure. This structure configures the bluetooth stack's user alterable settings. */
Bluetooth_Device_t Bluetooth_DeviceConfiguration =
{
Class: (DEVICE_CLASS_SERVICE_CAPTURING | DEVICE_CLASS_MAJOR_COMPUTER | DEVICE_CLASS_MINOR_COMPUTER_PALM),
PINCode: "0000",
Name: "LUFA Bluetooth Demo"
};
/** 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 "Bluetooth Host Demo running.\r\n" ESC_FG_WHITE));
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
sei();
for (;;)
{
Bluetooth_Stack_USBTask();
Bluetooth_Host_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 */
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.
*/
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)
{
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_ShutDown();
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);
}
/** Task to set the configuration of the attached device after it has been enumerated. */
void Bluetooth_Host_Task(void)
{
uint8_t ErrorCode;
switch (USB_HostState)
{
case HOST_STATE_Addressed:
puts_P(PSTR("Getting Device Data.\r\n"));
/* Get and process the configuration descriptor data */
if ((ErrorCode = ProcessDeviceDescriptor()) != SuccessfulDeviceRead)
{
if (ErrorCode == DevControlError)
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);
/* Indicate error via status LEDs */
LEDs_SetAllLEDs(LEDS_LED1);
/* Wait until USB device disconnected */
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
puts_P(PSTR("Bluetooth Dongle Detected.\r\n"));
/* 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);
/* Indicate error via status LEDs */
LEDs_SetAllLEDs(LEDS_LED1);
/* Wait until USB device disconnected */
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
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);
/* Indicate error via status LEDs */
LEDs_SetAllLEDs(LEDS_LED1);
/* Wait until USB device disconnected */
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
puts_P(PSTR("Bluetooth Dongle Enumerated.\r\n"));
/* Initialize the Bluetooth stack */
Bluetooth_Stack_Init();
USB_HostState = HOST_STATE_Configured;
break;
}
}
/** Bluetooth stack callback event for when the Bluetooth stack has fully initialized using the attached
* Bluetooth dongle.
*/
void Bluetooth_StackInitialized(void)
{
printf_P(PSTR("Stack initialized with local address %02X:%02X:%02X:%02X:%02X:%02X.\r\n"),
Bluetooth_State.LocalBDADDR[5], Bluetooth_State.LocalBDADDR[4], Bluetooth_State.LocalBDADDR[3],
Bluetooth_State.LocalBDADDR[2], Bluetooth_State.LocalBDADDR[1], Bluetooth_State.LocalBDADDR[0]);
}
/** Bluetooth stack callback event for a Bluetooth connection request. When this callback fires, the
* user application must indicate if the connection is to be allowed or rejected.
*
* \param[in] RemoteAddress Bluetooth address of the remote device attempting the connection
*
* \return Boolean true to accept the connection, false to reject it
*/
bool Bluetooth_ConnectionRequest(const uint8_t* RemoteAddress)
{
printf_P(PSTR("Connection Request from Device %02X:%02X:%02X:%02X:%02X:%02X.\r\n"),
RemoteAddress[5], RemoteAddress[4], RemoteAddress[3], RemoteAddress[2],
RemoteAddress[1], RemoteAddress[0]);
/* Always accept connections from remote devices */
return true;
}
/** Bluetooth stack callback event for a completed Bluetooth connection. When this callback is made,
* the connection information can be accessed through the global \ref Bluetooth_Connection structure.
*/
void Bluetooth_ConnectionComplete(void)
{
printf_P(PSTR("Connection Complete to Device %02X:%02X:%02X:%02X:%02X:%02X.\r\n"),
Bluetooth_Connection.RemoteAddress[5], Bluetooth_Connection.RemoteAddress[4],
Bluetooth_Connection.RemoteAddress[3], Bluetooth_Connection.RemoteAddress[2],
Bluetooth_Connection.RemoteAddress[1], Bluetooth_Connection.RemoteAddress[0]);
}
/** Bluetooth stack callback event for a completed Bluetooth disconnection. When this callback is made,
* the connection information in the global \ref Bluetooth_Connection structure is invalidated with the
* exception of the RemoteAddress element, which can be used to determine the address of the device that
* was disconnected.
*/
void Bluetooth_DisconnectionComplete(void)
{
printf_P(PSTR("Disconnection Complete to Device %02X:%02X:%02X:%02X:%02X:%02X.\r\n"),
Bluetooth_Connection.RemoteAddress[5], Bluetooth_Connection.RemoteAddress[4],
Bluetooth_Connection.RemoteAddress[3], Bluetooth_Connection.RemoteAddress[2],
Bluetooth_Connection.RemoteAddress[1], Bluetooth_Connection.RemoteAddress[0]);
}
/** Bluetooth stack callback event for a Bluetooth ACL Channel connection request. When is callback fires,
* the user application must indicate if the channel connection should be rejected or not, based on the
* protocol (PSM) value of the requested channel.
*
* \param PSM Protocol PSM value for the requested channel
*
* \return Boolean true to accept the channel connection request, false to reject it
*/
bool Bluetooth_ChannelConnectionRequest(const uint16_t PSM)
{
/* Always accept channel connection requests regardless of PSM */
return true;
}
/** Bluetooth stack callback event for a non-signal ACL packet reception. This callback fires once a connection
* to a remote Bluetooth device has been made, and the remote device has sent a non-signalling ACL packet.
*
* \param[in] Data Pointer to a buffer where the received data is stored
* \param[in] DataLen Length of the packet data, in bytes
* \param[in] Channel Bluetooth ACL data channel information structure for the packet's destination channel
*/
void Bluetooth_PacketReceived(void* Data, uint16_t DataLen, Bluetooth_Channel_t* const Channel)
{
switch (Channel->PSM)
{
case CHANNEL_PSM_SDP:
/* Service Discovery Protocol packet */
ServiceDiscovery_ProcessPacket(Data, Channel);
break;
default:
/* Unknown Protocol packet */
printf_P(PSTR("Packet Received (Channel 0x%04X, PSM: 0x%02x):\r\n"), Channel->LocalNumber, Channel->PSM);
for (uint16_t Byte = 0; Byte < DataLen; Byte++)
printf_P(PSTR("0x%02X "), ((uint8_t*)Data)[Byte]);
puts_P(PSTR("\r\n"));
break;
}
}
|
