David Fletcher / Mbed 2 deprecated cc3100_Test_websock_Camera_CM4F

Port of TI's CC3100 Websock camera demo. Using FreeRTOS, mbedTLS, also parts of Arducam for cams ov5642 and 0v2640. Can also use MT9D111. Work in progress. Be warned some parts maybe a bit flacky. This is for Seeed Arch max only, for an M3, see the demo for CM3 using the 0v5642 aducam mini.

Dependencies:   mbed

simplelink/cc3100_spi.h@22:f9b5e0b80bf2, 2015-09-15 (annotated)

Committer:
dflet
Date:
Tue Sep 15 16:45:04 2015 +0000
Revision:
22:f9b5e0b80bf2
Parent:
0:50cedd586816 
Removed some debug.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dflet 0:50cedd586816 1 /*
dflet 0:50cedd586816 2 * spi.h - mbed
dflet 0:50cedd586816 3 *
dflet 0:50cedd586816 4 * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
dflet 0:50cedd586816 5 *
dflet 0:50cedd586816 6 *
dflet 0:50cedd586816 7 * Redistribution and use in source and binary forms, with or without
dflet 0:50cedd586816 8 * modification, are permitted provided that the following conditions
dflet 0:50cedd586816 9 * are met:
dflet 0:50cedd586816 10 *
dflet 0:50cedd586816 11 * Redistributions of source code must retain the above copyright
dflet 0:50cedd586816 12 * notice, this list of conditions and the following disclaimer.
dflet 0:50cedd586816 13 *
dflet 0:50cedd586816 14 * Redistributions in binary form must reproduce the above copyright
dflet 0:50cedd586816 15 * notice, this list of conditions and the following disclaimer in the
dflet 0:50cedd586816 16 * documentation and/or other materials provided with the
dflet 0:50cedd586816 17 * distribution.
dflet 0:50cedd586816 18 *
dflet 0:50cedd586816 19 * Neither the name of Texas Instruments Incorporated nor the names of
dflet 0:50cedd586816 20 * its contributors may be used to endorse or promote products derived
dflet 0:50cedd586816 21 * from this software without specific prior written permission.
dflet 0:50cedd586816 22 *
dflet 0:50cedd586816 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
dflet 0:50cedd586816 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
dflet 0:50cedd586816 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
dflet 0:50cedd586816 26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
dflet 0:50cedd586816 27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
dflet 0:50cedd586816 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
dflet 0:50cedd586816 29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
dflet 0:50cedd586816 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
dflet 0:50cedd586816 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
dflet 0:50cedd586816 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
dflet 0:50cedd586816 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
dflet 0:50cedd586816 34 *
dflet 0:50cedd586816 35 */
dflet 0:50cedd586816 36
dflet 0:50cedd586816 37
dflet 0:50cedd586816 38 #ifndef SPI_H_
dflet 0:50cedd586816 39 #define SPI_H_
dflet 0:50cedd586816 40
dflet 0:50cedd586816 41 #include "mbed.h"
dflet 0:50cedd586816 42
dflet 0:50cedd586816 43 /*!
dflet 0:50cedd586816 44 \brief type definition for the spi channel file descriptor
dflet 0:50cedd586816 45
dflet 0:50cedd586816 46 \note On each porting or platform the type could be whatever is needed
dflet 0:50cedd586816 47 - integer, pointer to structure etc.
dflet 0:50cedd586816 48 */
dflet 0:50cedd586816 49 typedef unsigned int Fd_t;
dflet 0:50cedd586816 50
dflet 0:50cedd586816 51 typedef void (*P_EVENT_HANDLER)(void* pValue);
dflet 0:50cedd586816 52
dflet 0:50cedd586816 53 typedef enum events
dflet 0:50cedd586816 54 {
dflet 0:50cedd586816 55 NO_ACTION = -1,
dflet 0:50cedd586816 56 PUSH_BUTTON_1_PRESSED = 3,
dflet 0:50cedd586816 57 PUSH_BUTTON_2_PRESSED = 4,
dflet 0:50cedd586816 58 BROKER_DISCONNECTION = 2
dflet 0:50cedd586816 59 } osi_messages;
dflet 0:50cedd586816 60
dflet 0:50cedd586816 61 namespace mbed_cc3100 {
dflet 0:50cedd586816 62
dflet 0:50cedd586816 63 class cc3100_driver;
dflet 0:50cedd586816 64
dflet 0:50cedd586816 65 class cc3100_spi
dflet 0:50cedd586816 66 {
dflet 0:50cedd586816 67 public:
dflet 0:50cedd586816 68
dflet 0:50cedd586816 69 cc3100_spi(PinName button1_irq, PinName button2_irq, PinName cc3100_irq, PinName cc3100_nHIB, PinName cc3100_cs, SPI cc3100_spi, cc3100_driver &driver);
dflet 0:50cedd586816 70
dflet 0:50cedd586816 71 ~cc3100_spi();
dflet 0:50cedd586816 72
dflet 0:50cedd586816 73
dflet 0:50cedd586816 74 /*!
dflet 0:50cedd586816 75 \brief Enables the CC3100
dflet 0:50cedd586816 76
dflet 0:50cedd586816 77 \param[in] none
dflet 0:50cedd586816 78
dflet 0:50cedd586816 79 \return none
dflet 0:50cedd586816 80
dflet 0:50cedd586816 81 \note
dflet 0:50cedd586816 82
dflet 0:50cedd586816 83 \warning
dflet 0:50cedd586816 84 */
dflet 0:50cedd586816 85 void CC3100_enable();
dflet 0:50cedd586816 86
dflet 0:50cedd586816 87 /*!
dflet 0:50cedd586816 88 \brief Disables the CC3100
dflet 0:50cedd586816 89
dflet 0:50cedd586816 90 \param[in] none
dflet 0:50cedd586816 91
dflet 0:50cedd586816 92 \return none
dflet 0:50cedd586816 93
dflet 0:50cedd586816 94 \note
dflet 0:50cedd586816 95
dflet 0:50cedd586816 96 \warning
dflet 0:50cedd586816 97 */
dflet 0:50cedd586816 98 void CC3100_disable();
dflet 0:50cedd586816 99
dflet 0:50cedd586816 100 /*!
dflet 0:50cedd586816 101 \brief Disables the button push interrupt
dflet 0:50cedd586816 102
dflet 0:50cedd586816 103 \param[in] none
dflet 0:50cedd586816 104
dflet 0:50cedd586816 105 \return none
dflet 0:50cedd586816 106
dflet 0:50cedd586816 107 \note
dflet 0:50cedd586816 108
dflet 0:50cedd586816 109 \warning
dflet 0:50cedd586816 110 */
dflet 0:50cedd586816 111 void button1_InterruptDisable();
dflet 0:50cedd586816 112
dflet 0:50cedd586816 113 /*!
dflet 0:50cedd586816 114 \brief Enables the button push interrupt
dflet 0:50cedd586816 115
dflet 0:50cedd586816 116 \param[in] none
dflet 0:50cedd586816 117
dflet 0:50cedd586816 118 \return none
dflet 0:50cedd586816 119
dflet 0:50cedd586816 120 \note
dflet 0:50cedd586816 121
dflet 0:50cedd586816 122 \warning
dflet 0:50cedd586816 123 */
dflet 0:50cedd586816 124 void button1_InterruptEnable();
dflet 0:50cedd586816 125
dflet 0:50cedd586816 126 /*!
dflet 0:50cedd586816 127 \brief Disables the button push interrupt
dflet 0:50cedd586816 128
dflet 0:50cedd586816 129 \param[in] none
dflet 0:50cedd586816 130
dflet 0:50cedd586816 131 \return none
dflet 0:50cedd586816 132
dflet 0:50cedd586816 133 \note
dflet 0:50cedd586816 134
dflet 0:50cedd586816 135 \warning
dflet 0:50cedd586816 136 */
dflet 0:50cedd586816 137 void button2_InterruptDisable();
dflet 0:50cedd586816 138
dflet 0:50cedd586816 139 /*!
dflet 0:50cedd586816 140 \brief Enables the button push interrupt
dflet 0:50cedd586816 141
dflet 0:50cedd586816 142 \param[in] none
dflet 0:50cedd586816 143
dflet 0:50cedd586816 144 \return none
dflet 0:50cedd586816 145
dflet 0:50cedd586816 146 \note
dflet 0:50cedd586816 147
dflet 0:50cedd586816 148 \warning
dflet 0:50cedd586816 149 */
dflet 0:50cedd586816 150 void button2_InterruptEnable();
dflet 0:50cedd586816 151
dflet 0:50cedd586816 152 /*!
dflet 0:50cedd586816 153 \brief Enables the interrupt from the CC3100
dflet 0:50cedd586816 154
dflet 0:50cedd586816 155 \param[in] none
dflet 0:50cedd586816 156
dflet 0:50cedd586816 157 \return none
dflet 0:50cedd586816 158
dflet 0:50cedd586816 159 \note
dflet 0:50cedd586816 160
dflet 0:50cedd586816 161 \warning
dflet 0:50cedd586816 162 */
dflet 0:50cedd586816 163 void cc3100_InterruptEnable();
dflet 0:50cedd586816 164
dflet 0:50cedd586816 165 /*!
dflet 0:50cedd586816 166 \brief Disables the interrupt from the CC3100
dflet 0:50cedd586816 167
dflet 0:50cedd586816 168 \param[in] none
dflet 0:50cedd586816 169
dflet 0:50cedd586816 170 \return none
dflet 0:50cedd586816 171
dflet 0:50cedd586816 172 \note
dflet 0:50cedd586816 173
dflet 0:50cedd586816 174 \warning
dflet 0:50cedd586816 175 */
dflet 0:50cedd586816 176 void cc3100_InterruptDisable();
dflet 0:50cedd586816 177
dflet 0:50cedd586816 178 /*!
dflet 0:50cedd586816 179 \brief open spi communication port to be used for communicating with a
dflet 0:50cedd586816 180 SimpleLink device
dflet 0:50cedd586816 181
dflet 0:50cedd586816 182 Given an interface name and option flags, this function opens the spi
dflet 0:50cedd586816 183 communication port and creates a file descriptor. This file descriptor can
dflet 0:50cedd586816 184 be used afterwards to read and write data from and to this specific spi
dflet 0:50cedd586816 185 channel.
dflet 0:50cedd586816 186 The SPI speed, clock polarity, clock phase, chip select and all other
dflet 0:50cedd586816 187 attributes are all set to hardcoded values in this function.
dflet 0:50cedd586816 188
dflet 0:50cedd586816 189 \param[in] ifName - points to the interface name/path. The
dflet 0:50cedd586816 190 interface name is an optional attributes that the simple
dflet 0:50cedd586816 191 link driver receives on opening the device. in systems that
dflet 0:50cedd586816 192 the spi channel is not implemented as part of the os device
dflet 0:50cedd586816 193 drivers, this parameter could be NULL.
dflet 0:50cedd586816 194 \param[in] flags - option flags
dflet 0:50cedd586816 195
dflet 0:50cedd586816 196 \return upon successful completion, the function shall open the spi
dflet 0:50cedd586816 197 channel and return a non-negative integer representing the
dflet 0:50cedd586816 198 file descriptor. Otherwise, -1 shall be returned
dflet 0:50cedd586816 199
dflet 0:50cedd586816 200 \sa spi_Close , spi_Read , spi_Write
dflet 0:50cedd586816 201 \note
dflet 0:50cedd586816 202 \warning
dflet 0:50cedd586816 203 */
dflet 0:50cedd586816 204
dflet 0:50cedd586816 205 Fd_t spi_Open(int8_t *ifName, uint32_t flags);
dflet 0:50cedd586816 206
dflet 0:50cedd586816 207 /*!
dflet 0:50cedd586816 208 \brief closes an opened spi communication port
dflet 0:50cedd586816 209
dflet 0:50cedd586816 210 \param[in] fd - file descriptor of an opened SPI channel
dflet 0:50cedd586816 211
dflet 0:50cedd586816 212 \return upon successful completion, the function shall return 0.
dflet 0:50cedd586816 213 Otherwise, -1 shall be returned
dflet 0:50cedd586816 214
dflet 0:50cedd586816 215 \sa spi_Open
dflet 0:50cedd586816 216 \note
dflet 0:50cedd586816 217 \warning
dflet 0:50cedd586816 218 */
dflet 0:50cedd586816 219 int spi_Close(Fd_t fd);
dflet 0:50cedd586816 220
dflet 0:50cedd586816 221 /*!
dflet 0:50cedd586816 222 \brief attempts to read up to len bytes from SPI channel into a buffer
dflet 0:50cedd586816 223 starting at pBuff.
dflet 0:50cedd586816 224
dflet 0:50cedd586816 225 \param[in] fd - file descriptor of an opened SPI channel
dflet 0:50cedd586816 226
dflet 0:50cedd586816 227 \param[in] pBuff - points to first location to start writing the
dflet 0:50cedd586816 228 data
dflet 0:50cedd586816 229
dflet 0:50cedd586816 230 \param[in] len - number of bytes to read from the SPI channel
dflet 0:50cedd586816 231
dflet 0:50cedd586816 232 \return upon successful completion, the function shall return 0.
dflet 0:50cedd586816 233 Otherwise, -1 shall be returned
dflet 0:50cedd586816 234
dflet 0:50cedd586816 235 \sa spi_Open , spi_Write
dflet 0:50cedd586816 236 \note
dflet 0:50cedd586816 237 \warning
dflet 0:50cedd586816 238 */
dflet 0:50cedd586816 239 int spi_Read(Fd_t fd, uint8_t *pBuff, int len);
dflet 0:50cedd586816 240
dflet 0:50cedd586816 241 /*!
dflet 0:50cedd586816 242 \brief attempts to write up to len bytes to the SPI channel
dflet 0:50cedd586816 243
dflet 0:50cedd586816 244 \param[in] fd - file descriptor of an opened SPI channel
dflet 0:50cedd586816 245
dflet 0:50cedd586816 246 \param[in] pBuff - points to first location to start getting the
dflet 0:50cedd586816 247 data from
dflet 0:50cedd586816 248
dflet 0:50cedd586816 249 \param[in] len - number of bytes to write to the SPI channel
dflet 0:50cedd586816 250
dflet 0:50cedd586816 251 \return upon successful completion, the function shall return 0.
dflet 0:50cedd586816 252 Otherwise, -1 shall be returned
dflet 0:50cedd586816 253
dflet 0:50cedd586816 254 \sa spi_Open , spi_Read
dflet 0:50cedd586816 255 \note This function could be implemented as zero copy and return
dflet 0:50cedd586816 256 only upon successful completion of writing the whole buffer,
dflet 0:50cedd586816 257 but in cases that memory allocation is not too tight, the
dflet 0:50cedd586816 258 function could copy the data to internal buffer, return
dflet 0:50cedd586816 259 back and complete the write in parallel to other activities
dflet 0:50cedd586816 260 as long as the other SPI activities would be blocked untill
dflet 0:50cedd586816 261 the entire buffer write would be completed
dflet 0:50cedd586816 262 \warning
dflet 0:50cedd586816 263 */
dflet 0:50cedd586816 264 int spi_Write(Fd_t fd, uint8_t *pBuff, int len);
dflet 0:50cedd586816 265
dflet 0:50cedd586816 266 /*!
dflet 0:50cedd586816 267 \brief The IntSpiGPIOHandler interrupt handler
dflet 0:50cedd586816 268
dflet 0:50cedd586816 269 \param[in] none
dflet 0:50cedd586816 270
dflet 0:50cedd586816 271 \return none
dflet 0:50cedd586816 272
dflet 0:50cedd586816 273 \note
dflet 0:50cedd586816 274
dflet 0:50cedd586816 275 \warning
dflet 0:50cedd586816 276 */
dflet 0:50cedd586816 277 void IntSpiGPIOHandler(void);
dflet 0:50cedd586816 278
dflet 0:50cedd586816 279 /*!
dflet 0:50cedd586816 280 \brief register an interrupt handler for the host IRQ
dflet 0:50cedd586816 281
dflet 0:50cedd586816 282 \param[in] InterruptHdl - pointer to interrupt handler function
dflet 0:50cedd586816 283
dflet 0:50cedd586816 284 \param[in] pValue - pointer to a memory strcuture that is
dflet 0:50cedd586816 285 passed to the interrupt handler.
dflet 0:50cedd586816 286
dflet 0:50cedd586816 287 \return upon successful registration, the function shall return 0.
dflet 0:50cedd586816 288 Otherwise, -1 shall be returned
dflet 0:50cedd586816 289
dflet 0:50cedd586816 290 \sa
dflet 0:50cedd586816 291 \note If there is already registered interrupt handler, the
dflet 0:50cedd586816 292 function should overwrite the old handler with the new one
dflet 0:50cedd586816 293 \warning
dflet 0:50cedd586816 294 */
dflet 0:50cedd586816 295 int registerInterruptHandler(P_EVENT_HANDLER InterruptHdl , void* pValue);
dflet 0:50cedd586816 296
dflet 0:50cedd586816 297 /*!
dflet 0:50cedd586816 298 \brief Masks the Host IRQ
dflet 0:50cedd586816 299
dflet 0:50cedd586816 300 \param[in] none
dflet 0:50cedd586816 301
dflet 0:50cedd586816 302 \return none
dflet 0:50cedd586816 303
dflet 0:50cedd586816 304 \warning
dflet 0:50cedd586816 305 */
dflet 0:50cedd586816 306 void MaskIntHdlr();
dflet 0:50cedd586816 307
dflet 0:50cedd586816 308 /*!
dflet 0:50cedd586816 309 \brief Unmasks the Host IRQ
dflet 0:50cedd586816 310
dflet 0:50cedd586816 311 \param[in] none
dflet 0:50cedd586816 312
dflet 0:50cedd586816 313 \return none
dflet 0:50cedd586816 314
dflet 0:50cedd586816 315 \warning
dflet 0:50cedd586816 316 */
dflet 0:50cedd586816 317 void UnMaskIntHdlr();
dflet 0:50cedd586816 318
dflet 0:50cedd586816 319 void buttonHandler_1(void);
dflet 0:50cedd586816 320
dflet 0:50cedd586816 321 void buttonHandler_2(void);
dflet 0:50cedd586816 322
dflet 0:50cedd586816 323 private:
dflet 0:50cedd586816 324
dflet 0:50cedd586816 325 // InterruptIn _sw1_irq;
dflet 0:50cedd586816 326 // InterruptIn _sw2_irq;
dflet 0:50cedd586816 327 InterruptIn _wlan_irq;
dflet 0:50cedd586816 328 DigitalOut _wlan_nHIB;
dflet 0:50cedd586816 329 DigitalOut _wlan_cs;
dflet 0:50cedd586816 330 SPI _wlan_spi;
dflet 0:50cedd586816 331 cc3100_driver &_driver;
dflet 0:50cedd586816 332
dflet 0:50cedd586816 333
dflet 0:50cedd586816 334 };//class
dflet 0:50cedd586816 335 }//namespace mbed_cc3100
dflet 0:50cedd586816 336 #endif
dflet 0:50cedd586816 337
dflet 0:50cedd586816 338
dflet 0:50cedd586816 339