hci.c 8.27 KB
Newer Older
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
/*****************************************************************************
*
*  hci.c  - CC3000 Host Driver Implementation.
*  Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
*
* Adapted for use with the Arduino/AVR by KTOWN (Kevin Townsend) 
* & Limor Fried for Adafruit Industries
* This library works with the Adafruit CC3000 breakout 
*	----> https://www.adafruit.com/products/1469
* Adafruit invests time and resources providing this open source code,
* please support Adafruit and open-source hardware by purchasing
* products from Adafruit!
*
*  Redistribution and use in source and binary forms, with or without
*  modification, are permitted provided that the following conditions
*  are met:
*
*    Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
*
*    Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the   
*    distribution.
*
*    Neither the name of Texas Instruments Incorporated nor the names of
*    its contributors may be used to endorse or promote products derived
*    from this software without specific prior written permission.
*
*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
*  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
*  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
*  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
*  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
*  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
*  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
*  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
*  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
*  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
*  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/

//*****************************************************************************
//
//! \addtogroup hci_app
//! @{
//
//*****************************************************************************

#include <stdint.h>
#include <string.h> // for memcpy
53
54
55
#include "mpconfigport.h"

#if MICROPY_HW_ENABLE_CC3K
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

#include "cc3000_common.h"
#include "hci.h"
#include "ccspi.h"
#include "evnt_handler.h"
#include "wlan.h"

#define SL_PATCH_PORTION_SIZE		(1000)


//*****************************************************************************
//
//!  hci_command_send
//!
//!  @param  usOpcode     command operation code
//!  @param  pucBuff      pointer to the command's arguments buffer
//!  @param  ucArgsLength length of the arguments
//!
//!  @return              none
//!
//!  @brief               Initiate an HCI command.
//
//*****************************************************************************
unsigned short 
hci_command_send(unsigned short usOpcode, unsigned char *pucBuff,
                     unsigned char ucArgsLength)
{ 
	unsigned char *stream;
	
	stream = (pucBuff + SPI_HEADER_SIZE);
	
	UINT8_TO_STREAM(stream, HCI_TYPE_CMND);
	stream = UINT16_TO_STREAM(stream, usOpcode);
	UINT8_TO_STREAM(stream, ucArgsLength);
	
	//Update the opcode of the event we will be waiting for
	SpiWrite(pucBuff, ucArgsLength + SIMPLE_LINK_HCI_CMND_HEADER_SIZE);
	
	return(0);
}

//*****************************************************************************
//
//!  hci_data_send
//!
//!  @param  usOpcode        command operation code
//!	 @param  ucArgs					 pointer to the command's arguments buffer
//!  @param  usArgsLength    length of the arguments
//!  @param  ucTail          pointer to the data buffer
//!  @param  usTailLength    buffer length
//!
//!  @return none
//!
//!  @brief              Initiate an HCI data write operation
//
//*****************************************************************************
long
hci_data_send(unsigned char ucOpcode, 
							unsigned char *ucArgs,
							unsigned short usArgsLength, 
							unsigned short usDataLength,
							const unsigned char *ucTail,
							unsigned short usTailLength)
{
	unsigned char *stream;
	
	stream = ((ucArgs) + SPI_HEADER_SIZE);
	
	UINT8_TO_STREAM(stream, HCI_TYPE_DATA);
	UINT8_TO_STREAM(stream, ucOpcode);
	UINT8_TO_STREAM(stream, usArgsLength);
	stream = UINT16_TO_STREAM(stream, usArgsLength + usDataLength + usTailLength);
	
	// Send the packet over the SPI
	SpiWrite(ucArgs, SIMPLE_LINK_HCI_DATA_HEADER_SIZE + usArgsLength + usDataLength + usTailLength);
	
	return(ESUCCESS);
}


//*****************************************************************************
//
//!  hci_data_command_send
//!
//!  @param  usOpcode      command operation code
//!  @param  pucBuff       pointer to the data buffer
//!  @param  ucArgsLength  arguments length
//!  @param  ucDataLength  data length
//!
//!  @return none
//!
//!  @brief              Prepeare HCI header and initiate an HCI data write operation
//
//*****************************************************************************
void hci_data_command_send(unsigned short usOpcode, unsigned char *pucBuff,
                     unsigned char ucArgsLength,unsigned short ucDataLength)
{ 
 	unsigned char *stream = (pucBuff + SPI_HEADER_SIZE);
	
	UINT8_TO_STREAM(stream, HCI_TYPE_DATA);
	UINT8_TO_STREAM(stream, usOpcode);
	UINT8_TO_STREAM(stream, ucArgsLength);
	stream = UINT16_TO_STREAM(stream, ucArgsLength + ucDataLength);
	
	// Send the command over SPI on data channel
	SpiWrite(pucBuff, ucArgsLength + ucDataLength + SIMPLE_LINK_HCI_DATA_CMND_HEADER_SIZE);
	
	return;
}

//*****************************************************************************
//
//!  hci_patch_send
//!
//!  @param  usOpcode      command operation code
//!  @param  pucBuff       pointer to the command's arguments buffer
//!  @param  patch         pointer to patch content buffer 
//!  @param  usDataLength  data length
//!
//!  @return              none
//!
//!  @brief               Prepeare HCI header and initiate an HCI patch write operation
//
//*****************************************************************************
void
hci_patch_send(unsigned char ucOpcode, unsigned char *pucBuff, char *patch, unsigned short usDataLength)
{ 
 	unsigned char *data_ptr = (pucBuff + SPI_HEADER_SIZE);
	unsigned short usTransLength;
	unsigned char *stream = (pucBuff + SPI_HEADER_SIZE);
	
	UINT8_TO_STREAM(stream, HCI_TYPE_PATCH);
	UINT8_TO_STREAM(stream, ucOpcode);
	stream = UINT16_TO_STREAM(stream, usDataLength + SIMPLE_LINK_HCI_PATCH_HEADER_SIZE);
	
	if (usDataLength <= SL_PATCH_PORTION_SIZE)
	{
		UINT16_TO_STREAM(stream, usDataLength);
		stream = UINT16_TO_STREAM(stream, usDataLength);
		memcpy((pucBuff + SPI_HEADER_SIZE) + HCI_PATCH_HEADER_SIZE, patch, usDataLength);
		
		// Update the opcode of the event we will be waiting for
		SpiWrite(pucBuff, usDataLength + HCI_PATCH_HEADER_SIZE);
	}
	else
	{
		
		usTransLength = (usDataLength/SL_PATCH_PORTION_SIZE);
		UINT16_TO_STREAM(stream, usDataLength + SIMPLE_LINK_HCI_PATCH_HEADER_SIZE + usTransLength*SIMPLE_LINK_HCI_PATCH_HEADER_SIZE);
		stream = UINT16_TO_STREAM(stream, SL_PATCH_PORTION_SIZE);
		memcpy(pucBuff + SPI_HEADER_SIZE + HCI_PATCH_HEADER_SIZE, patch, SL_PATCH_PORTION_SIZE);
		usDataLength -= SL_PATCH_PORTION_SIZE;
		patch += SL_PATCH_PORTION_SIZE;
		
		// Update the opcode of the event we will be waiting for
		SpiWrite(pucBuff, SL_PATCH_PORTION_SIZE + HCI_PATCH_HEADER_SIZE);
		
		while (usDataLength)
		{
			cc3k_int_poll();

			if (usDataLength <= SL_PATCH_PORTION_SIZE)
			{
				usTransLength = usDataLength;
				usDataLength = 0;
				
			}
			else
			{
				usTransLength = SL_PATCH_PORTION_SIZE;
				usDataLength -= usTransLength;
			}
			
			*(unsigned short *)data_ptr = usTransLength;
			memcpy(data_ptr + SIMPLE_LINK_HCI_PATCH_HEADER_SIZE, patch, usTransLength);
			patch += usTransLength;
			
			// Update the opcode of the event we will be waiting for
			SpiWrite((unsigned char *)data_ptr, usTransLength + sizeof(usTransLength));
		}
	}
}

//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//
//*****************************************************************************
246
247

#endif // MICROPY_HW_ENABLE_CC3K