David Fletcher / Mbed 2 deprecated cc3100_test

TI's CC3100 host driver and demo. Experimental and a work in progress.

Dependencies:   mbed

simplelink/cc3100_spi.cpp@0:bbe98578d4c0, 2014-11-17 (annotated)

Committer:
dflet
Date:
Mon Nov 17 19:38:34 2014 +0000
Revision:
0:bbe98578d4c0
Child:
1:da33a9116bda
Experimental and a work in progress. Mostly left as TI C code. Does compile and run, but I have seen a few glitches. cc3100_sl_common.h will need your ssid and pass key at line 82.....

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dflet 0:bbe98578d4c0 1 /*
dflet 0:bbe98578d4c0 2 * spi.c - msp430f5529 experiment board spi interface implementation
dflet 0:bbe98578d4c0 3 *
dflet 0:bbe98578d4c0 4 * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
dflet 0:bbe98578d4c0 5 *
dflet 0:bbe98578d4c0 6 *
dflet 0:bbe98578d4c0 7 * Redistribution and use in source and binary forms, with or without
dflet 0:bbe98578d4c0 8 * modification, are permitted provided that the following conditions
dflet 0:bbe98578d4c0 9 * are met:
dflet 0:bbe98578d4c0 10 *
dflet 0:bbe98578d4c0 11 * Redistributions of source code must retain the above copyright
dflet 0:bbe98578d4c0 12 * notice, this list of conditions and the following disclaimer.
dflet 0:bbe98578d4c0 13 *
dflet 0:bbe98578d4c0 14 * Redistributions in binary form must reproduce the above copyright
dflet 0:bbe98578d4c0 15 * notice, this list of conditions and the following disclaimer in the
dflet 0:bbe98578d4c0 16 * documentation and/or other materials provided with the
dflet 0:bbe98578d4c0 17 * distribution.
dflet 0:bbe98578d4c0 18 *
dflet 0:bbe98578d4c0 19 * Neither the name of Texas Instruments Incorporated nor the names of
dflet 0:bbe98578d4c0 20 * its contributors may be used to endorse or promote products derived
dflet 0:bbe98578d4c0 21 * from this software without specific prior written permission.
dflet 0:bbe98578d4c0 22 *
dflet 0:bbe98578d4c0 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
dflet 0:bbe98578d4c0 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
dflet 0:bbe98578d4c0 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
dflet 0:bbe98578d4c0 26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
dflet 0:bbe98578d4c0 27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
dflet 0:bbe98578d4c0 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
dflet 0:bbe98578d4c0 29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
dflet 0:bbe98578d4c0 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
dflet 0:bbe98578d4c0 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
dflet 0:bbe98578d4c0 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
dflet 0:bbe98578d4c0 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
dflet 0:bbe98578d4c0 34 *
dflet 0:bbe98578d4c0 35 */
dflet 0:bbe98578d4c0 36
dflet 0:bbe98578d4c0 37 #include "cc3100_simplelink.h"
dflet 0:bbe98578d4c0 38 #include "cc3100_spi.h"
dflet 0:bbe98578d4c0 39
dflet 0:bbe98578d4c0 40 cc3100_spi spi_(PA_9, PC_7, PB_6, SPI(PA_7, PA_6, PA_5));//nucleoF411 nHib, irq, cs, mosi, miso, sck
dflet 0:bbe98578d4c0 41 // cc3100_spi spi_(p9, p10, p8, SPI(p5, p6, p7));
dflet 0:bbe98578d4c0 42 // cc3100_spi spi_(p9, p10, p8, SPI(p11, p12, p13));
dflet 0:bbe98578d4c0 43
dflet 0:bbe98578d4c0 44 P_EVENT_HANDLER pIraEventHandler = 0;
dflet 0:bbe98578d4c0 45 uint8_t IntIsMasked;
dflet 0:bbe98578d4c0 46 int c = 0;
dflet 0:bbe98578d4c0 47 int d =0;
dflet 0:bbe98578d4c0 48 cc3100_spi::cc3100_spi(PinName cc3100_irq, PinName cc3100_en, PinName cc3100_cs, SPI cc3100_spi)
dflet 0:bbe98578d4c0 49 : _wlan_irq(cc3100_irq), _wlan_nHIB(cc3100_en), _wlan_cs(cc3100_cs), _wlan_spi(cc3100_spi){
dflet 0:bbe98578d4c0 50
dflet 0:bbe98578d4c0 51 _wlan_spi.format(8,1);
dflet 0:bbe98578d4c0 52 _wlan_spi.frequency(12000000);
dflet 0:bbe98578d4c0 53 _wlan_irq.rise(&IntSpiGPIOHandler); //_SlDrvRxIrqHandler is triggered after IntSpiGPIOHandler
dflet 0:bbe98578d4c0 54 _wlan_nHIB = 0;
dflet 0:bbe98578d4c0 55 _wlan_cs = 1;
dflet 0:bbe98578d4c0 56 wait_ms(200);
dflet 0:bbe98578d4c0 57 }
dflet 0:bbe98578d4c0 58
dflet 0:bbe98578d4c0 59 cc3100_spi::~cc3100_spi() {
dflet 0:bbe98578d4c0 60
dflet 0:bbe98578d4c0 61 }
dflet 0:bbe98578d4c0 62 /*
dflet 0:bbe98578d4c0 63 int cc3100_spi::spi_Close(Fd_t fd)
dflet 0:bbe98578d4c0 64 {
dflet 0:bbe98578d4c0 65 // Disable WLAN Interrupt ...
dflet 0:bbe98578d4c0 66 cc3100_InterruptDisable();
dflet 0:bbe98578d4c0 67
dflet 0:bbe98578d4c0 68 return NONOS_RET_OK;
dflet 0:bbe98578d4c0 69 }
dflet 0:bbe98578d4c0 70 */
dflet 0:bbe98578d4c0 71 void cc3100_spi::cc3100_InterruptEnable()
dflet 0:bbe98578d4c0 72 {
dflet 0:bbe98578d4c0 73 __enable_irq();
dflet 0:bbe98578d4c0 74 }
dflet 0:bbe98578d4c0 75
dflet 0:bbe98578d4c0 76 void cc3100_spi::cc3100_InterruptDisable()
dflet 0:bbe98578d4c0 77 {
dflet 0:bbe98578d4c0 78 __disable_irq();
dflet 0:bbe98578d4c0 79 }
dflet 0:bbe98578d4c0 80 /*
dflet 0:bbe98578d4c0 81 void cc3100_spi::CC3100_disable()
dflet 0:bbe98578d4c0 82 {
dflet 0:bbe98578d4c0 83 _wlan_en = 0;
dflet 0:bbe98578d4c0 84 }
dflet 0:bbe98578d4c0 85 */
dflet 0:bbe98578d4c0 86 /*
dflet 0:bbe98578d4c0 87 void CC3100_enable()
dflet 0:bbe98578d4c0 88 {
dflet 0:bbe98578d4c0 89 _wlan_en = 1;
dflet 0:bbe98578d4c0 90 }
dflet 0:bbe98578d4c0 91 */
dflet 0:bbe98578d4c0 92 /*
dflet 0:bbe98578d4c0 93 Fd_t cc3100_spi::spi_Open(char *ifName, unsigned long flags)
dflet 0:bbe98578d4c0 94 {
dflet 0:bbe98578d4c0 95
dflet 0:bbe98578d4c0 96 // 50 ms delay
dflet 0:bbe98578d4c0 97 wait_ms(50);
dflet 0:bbe98578d4c0 98
dflet 0:bbe98578d4c0 99 // Enable WLAN interrupt
dflet 0:bbe98578d4c0 100 cc3100_InterruptEnable();
dflet 0:bbe98578d4c0 101
dflet 0:bbe98578d4c0 102 return NONOS_RET_OK;
dflet 0:bbe98578d4c0 103 }
dflet 0:bbe98578d4c0 104 */
dflet 0:bbe98578d4c0 105 /*
dflet 0:bbe98578d4c0 106 int cc3100_spi::spi_Write(Fd_t fd, unsigned char *pBuff, int len)
dflet 0:bbe98578d4c0 107 {
dflet 0:bbe98578d4c0 108 int len_to_return = len;
dflet 0:bbe98578d4c0 109
dflet 0:bbe98578d4c0 110 _wlan_cs = 0;
dflet 0:bbe98578d4c0 111
dflet 0:bbe98578d4c0 112 while(len)
dflet 0:bbe98578d4c0 113 {
dflet 0:bbe98578d4c0 114 _wlan_spi.write(*pBuff++);
dflet 0:bbe98578d4c0 115 len--;
dflet 0:bbe98578d4c0 116 }
dflet 0:bbe98578d4c0 117
dflet 0:bbe98578d4c0 118 _wlan_cs = 1;
dflet 0:bbe98578d4c0 119
dflet 0:bbe98578d4c0 120 return len_to_return;
dflet 0:bbe98578d4c0 121 }
dflet 0:bbe98578d4c0 122
dflet 0:bbe98578d4c0 123 int cc3100_spi::spi_Read(Fd_t fd, unsigned char *pBuff, int len)
dflet 0:bbe98578d4c0 124 {
dflet 0:bbe98578d4c0 125 int i = 0;
dflet 0:bbe98578d4c0 126
dflet 0:bbe98578d4c0 127 _wlan_cs = 0;
dflet 0:bbe98578d4c0 128
dflet 0:bbe98578d4c0 129 for (i = 0; i < len; i++)
dflet 0:bbe98578d4c0 130 {
dflet 0:bbe98578d4c0 131 pBuff[i] = _wlan_spi.write(0xFF);
dflet 0:bbe98578d4c0 132 }
dflet 0:bbe98578d4c0 133
dflet 0:bbe98578d4c0 134 _wlan_cs = 1;
dflet 0:bbe98578d4c0 135
dflet 0:bbe98578d4c0 136 return len;
dflet 0:bbe98578d4c0 137 }
dflet 0:bbe98578d4c0 138 */
dflet 0:bbe98578d4c0 139
dflet 0:bbe98578d4c0 140 void IntSpiGPIOHandler(void)
dflet 0:bbe98578d4c0 141 {
dflet 0:bbe98578d4c0 142 switch(spi_._wlan_irq){
dflet 0:bbe98578d4c0 143
dflet 0:bbe98578d4c0 144 case 1:
dflet 0:bbe98578d4c0 145 if(pIraEventHandler)
dflet 0:bbe98578d4c0 146 {
dflet 0:bbe98578d4c0 147 pIraEventHandler(0);
dflet 0:bbe98578d4c0 148 }
dflet 0:bbe98578d4c0 149 break;
dflet 0:bbe98578d4c0 150 default:
dflet 0:bbe98578d4c0 151 break;
dflet 0:bbe98578d4c0 152 }
dflet 0:bbe98578d4c0 153 }
dflet 0:bbe98578d4c0 154
dflet 0:bbe98578d4c0 155 /*!
dflet 0:bbe98578d4c0 156 \brief register an interrupt handler for the host IRQ
dflet 0:bbe98578d4c0 157
dflet 0:bbe98578d4c0 158 \param[in] InterruptHdl - pointer to interrupt handler function
dflet 0:bbe98578d4c0 159
dflet 0:bbe98578d4c0 160 \param[in] pValue - pointer to a memory strcuture that is
dflet 0:bbe98578d4c0 161 passed to the interrupt handler.
dflet 0:bbe98578d4c0 162
dflet 0:bbe98578d4c0 163 \return upon successful registration, the function shall return 0.
dflet 0:bbe98578d4c0 164 Otherwise, -1 shall be returned
dflet 0:bbe98578d4c0 165
dflet 0:bbe98578d4c0 166 \sa
dflet 0:bbe98578d4c0 167 \note If there is already registered interrupt handler, the
dflet 0:bbe98578d4c0 168 function should overwrite the old handler with the new one
dflet 0:bbe98578d4c0 169 \warning
dflet 0:bbe98578d4c0 170 */
dflet 0:bbe98578d4c0 171 int registerInterruptHandler(P_EVENT_HANDLER InterruptHdl , void* pValue)
dflet 0:bbe98578d4c0 172 {
dflet 0:bbe98578d4c0 173 // printf("Register Interrupt Handler Called\r\n");
dflet 0:bbe98578d4c0 174 pIraEventHandler = InterruptHdl;
dflet 0:bbe98578d4c0 175 return 0;
dflet 0:bbe98578d4c0 176 }
dflet 0:bbe98578d4c0 177
dflet 0:bbe98578d4c0 178 /*!
dflet 0:bbe98578d4c0 179 \brief Unmasks the Host IRQ
dflet 0:bbe98578d4c0 180
dflet 0:bbe98578d4c0 181 \param[in] none
dflet 0:bbe98578d4c0 182
dflet 0:bbe98578d4c0 183 \return none
dflet 0:bbe98578d4c0 184
dflet 0:bbe98578d4c0 185 \warning
dflet 0:bbe98578d4c0 186 */
dflet 0:bbe98578d4c0 187 void UnMaskIntHdlr()
dflet 0:bbe98578d4c0 188 {
dflet 0:bbe98578d4c0 189 IntIsMasked = FALSE;
dflet 0:bbe98578d4c0 190 }
dflet 0:bbe98578d4c0 191
dflet 0:bbe98578d4c0 192 /*!
dflet 0:bbe98578d4c0 193 \brief Masks the Host IRQ
dflet 0:bbe98578d4c0 194
dflet 0:bbe98578d4c0 195 \param[in] none
dflet 0:bbe98578d4c0 196
dflet 0:bbe98578d4c0 197 \return none
dflet 0:bbe98578d4c0 198
dflet 0:bbe98578d4c0 199 \warning
dflet 0:bbe98578d4c0 200 */
dflet 0:bbe98578d4c0 201 void MaskIntHdlr()
dflet 0:bbe98578d4c0 202 {
dflet 0:bbe98578d4c0 203 IntIsMasked = TRUE;
dflet 0:bbe98578d4c0 204 }
dflet 0:bbe98578d4c0 205
dflet 0:bbe98578d4c0 206 void CC3100_disable()
dflet 0:bbe98578d4c0 207 {
dflet 0:bbe98578d4c0 208
dflet 0:bbe98578d4c0 209 spi_._wlan_nHIB = 0;
dflet 0:bbe98578d4c0 210
dflet 0:bbe98578d4c0 211 }
dflet 0:bbe98578d4c0 212
dflet 0:bbe98578d4c0 213 void CC3100_enable()
dflet 0:bbe98578d4c0 214 {
dflet 0:bbe98578d4c0 215
dflet 0:bbe98578d4c0 216 spi_._wlan_nHIB = 1;
dflet 0:bbe98578d4c0 217
dflet 0:bbe98578d4c0 218 }
dflet 0:bbe98578d4c0 219
dflet 0:bbe98578d4c0 220 Fd_t spi_Open(char *ifName, unsigned long flags)
dflet 0:bbe98578d4c0 221 {
dflet 0:bbe98578d4c0 222
dflet 0:bbe98578d4c0 223 /* 50 ms delay */
dflet 0:bbe98578d4c0 224 wait_ms(50);
dflet 0:bbe98578d4c0 225
dflet 0:bbe98578d4c0 226 /* Enable WLAN interrupt */
dflet 0:bbe98578d4c0 227 spi_.cc3100_InterruptEnable();
dflet 0:bbe98578d4c0 228
dflet 0:bbe98578d4c0 229 return NONOS_RET_OK;
dflet 0:bbe98578d4c0 230 }
dflet 0:bbe98578d4c0 231
dflet 0:bbe98578d4c0 232 int spi_Close(Fd_t fd)
dflet 0:bbe98578d4c0 233 {
dflet 0:bbe98578d4c0 234
dflet 0:bbe98578d4c0 235 wait_ms(2);
dflet 0:bbe98578d4c0 236 /* Disable WLAN Interrupt ... */
dflet 0:bbe98578d4c0 237 spi_.cc3100_InterruptDisable();
dflet 0:bbe98578d4c0 238
dflet 0:bbe98578d4c0 239 return NONOS_RET_OK;
dflet 0:bbe98578d4c0 240 }
dflet 0:bbe98578d4c0 241
dflet 0:bbe98578d4c0 242 int spi_Write(Fd_t fd, unsigned char *pBuff, int len)
dflet 0:bbe98578d4c0 243 {
dflet 0:bbe98578d4c0 244
dflet 0:bbe98578d4c0 245 int len_to_return = len;
dflet 0:bbe98578d4c0 246
dflet 0:bbe98578d4c0 247 spi_._wlan_cs = 0;
dflet 0:bbe98578d4c0 248
dflet 0:bbe98578d4c0 249 wait_us(50);
dflet 0:bbe98578d4c0 250
dflet 0:bbe98578d4c0 251 while(len)
dflet 0:bbe98578d4c0 252 {
dflet 0:bbe98578d4c0 253 spi_._wlan_spi.write(*pBuff++);
dflet 0:bbe98578d4c0 254 len--;
dflet 0:bbe98578d4c0 255
dflet 0:bbe98578d4c0 256 }
dflet 0:bbe98578d4c0 257
dflet 0:bbe98578d4c0 258 spi_._wlan_cs = 1;
dflet 0:bbe98578d4c0 259
dflet 0:bbe98578d4c0 260 return len_to_return;
dflet 0:bbe98578d4c0 261 }
dflet 0:bbe98578d4c0 262
dflet 0:bbe98578d4c0 263 int spi_Read(Fd_t fd, unsigned char *pBuff, int len)
dflet 0:bbe98578d4c0 264 {
dflet 0:bbe98578d4c0 265
dflet 0:bbe98578d4c0 266 spi_._wlan_cs = 0;
dflet 0:bbe98578d4c0 267
dflet 0:bbe98578d4c0 268 wait_us(50);
dflet 0:bbe98578d4c0 269
dflet 0:bbe98578d4c0 270 for (int i = 0; i < len; i++){
dflet 0:bbe98578d4c0 271 pBuff[i] = spi_._wlan_spi.write(0xFF);
dflet 0:bbe98578d4c0 272
dflet 0:bbe98578d4c0 273 }
dflet 0:bbe98578d4c0 274
dflet 0:bbe98578d4c0 275 spi_._wlan_cs = 1;
dflet 0:bbe98578d4c0 276
dflet 0:bbe98578d4c0 277 return len;
dflet 0:bbe98578d4c0 278 }
dflet 0:bbe98578d4c0 279
dflet 0:bbe98578d4c0 280 //}//namespace