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@1:da33a9116bda, 2014-11-18 (annotated)

Committer:
dflet
Date:
Tue Nov 18 15:45:17 2014 +0000
Revision:
1:da33a9116bda
Parent:
0:bbe98578d4c0
Child:
2:a3e52cf86086
Added BoardInit.h so that boards can be added. This commit will compile for LPC1768 and nucleoF411.

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 1:da33a9116bda 39 #include "BoardInit.h"
dflet 0:bbe98578d4c0 40
dflet 1:da33a9116bda 41 #if (THIS_BOARD == MBED_BOARD_LPC1768)
dflet 1:da33a9116bda 42 cc3100_spi spi_(p9, p10, p8, SPI(p5, p6, p7));//LPC1768 nHib, irq, cs, mosi, miso, sck
dflet 1:da33a9116bda 43 /* cc3100_spi spi_(p9, p10, p8, SPI(p11, p12, p13));//LPC1768 nHib, irq, cs, mosi, miso, sck. Alt spi pins */
dflet 1:da33a9116bda 44 #elif (THIS_BOARD == ST_MBED_NUCLEOF411)
dflet 1:da33a9116bda 45 cc3100_spi spi_(PA_9, PC_7, PB_6, SPI(PA_7, PA_6, PA_5));//nucleoF411 nHib, irq, cs, mosi, miso, sck
dflet 1:da33a9116bda 46 #else
dflet 1:da33a9116bda 47
dflet 1:da33a9116bda 48 #endif
dflet 0:bbe98578d4c0 49
dflet 0:bbe98578d4c0 50 P_EVENT_HANDLER pIraEventHandler = 0;
dflet 0:bbe98578d4c0 51 uint8_t IntIsMasked;
dflet 1:da33a9116bda 52
dflet 0:bbe98578d4c0 53 cc3100_spi::cc3100_spi(PinName cc3100_irq, PinName cc3100_en, PinName cc3100_cs, SPI cc3100_spi)
dflet 0:bbe98578d4c0 54 : _wlan_irq(cc3100_irq), _wlan_nHIB(cc3100_en), _wlan_cs(cc3100_cs), _wlan_spi(cc3100_spi){
dflet 0:bbe98578d4c0 55
dflet 0:bbe98578d4c0 56 _wlan_spi.format(8,1);
dflet 0:bbe98578d4c0 57 _wlan_spi.frequency(12000000);
dflet 0:bbe98578d4c0 58 _wlan_irq.rise(&IntSpiGPIOHandler); //_SlDrvRxIrqHandler is triggered after IntSpiGPIOHandler
dflet 0:bbe98578d4c0 59 _wlan_nHIB = 0;
dflet 0:bbe98578d4c0 60 _wlan_cs = 1;
dflet 0:bbe98578d4c0 61 wait_ms(200);
dflet 0:bbe98578d4c0 62 }
dflet 0:bbe98578d4c0 63
dflet 0:bbe98578d4c0 64 cc3100_spi::~cc3100_spi() {
dflet 0:bbe98578d4c0 65
dflet 0:bbe98578d4c0 66 }
dflet 0:bbe98578d4c0 67 /*
dflet 0:bbe98578d4c0 68 int cc3100_spi::spi_Close(Fd_t fd)
dflet 0:bbe98578d4c0 69 {
dflet 0:bbe98578d4c0 70 // Disable WLAN Interrupt ...
dflet 0:bbe98578d4c0 71 cc3100_InterruptDisable();
dflet 0:bbe98578d4c0 72
dflet 0:bbe98578d4c0 73 return NONOS_RET_OK;
dflet 0:bbe98578d4c0 74 }
dflet 0:bbe98578d4c0 75 */
dflet 0:bbe98578d4c0 76 void cc3100_spi::cc3100_InterruptEnable()
dflet 0:bbe98578d4c0 77 {
dflet 0:bbe98578d4c0 78 __enable_irq();
dflet 0:bbe98578d4c0 79 }
dflet 0:bbe98578d4c0 80
dflet 0:bbe98578d4c0 81 void cc3100_spi::cc3100_InterruptDisable()
dflet 0:bbe98578d4c0 82 {
dflet 0:bbe98578d4c0 83 __disable_irq();
dflet 0:bbe98578d4c0 84 }
dflet 0:bbe98578d4c0 85 /*
dflet 0:bbe98578d4c0 86 void cc3100_spi::CC3100_disable()
dflet 0:bbe98578d4c0 87 {
dflet 0:bbe98578d4c0 88 _wlan_en = 0;
dflet 0:bbe98578d4c0 89 }
dflet 0:bbe98578d4c0 90 */
dflet 0:bbe98578d4c0 91 /*
dflet 0:bbe98578d4c0 92 void CC3100_enable()
dflet 0:bbe98578d4c0 93 {
dflet 0:bbe98578d4c0 94 _wlan_en = 1;
dflet 0:bbe98578d4c0 95 }
dflet 0:bbe98578d4c0 96 */
dflet 0:bbe98578d4c0 97 /*
dflet 0:bbe98578d4c0 98 Fd_t cc3100_spi::spi_Open(char *ifName, unsigned long flags)
dflet 0:bbe98578d4c0 99 {
dflet 0:bbe98578d4c0 100
dflet 0:bbe98578d4c0 101 // 50 ms delay
dflet 0:bbe98578d4c0 102 wait_ms(50);
dflet 0:bbe98578d4c0 103
dflet 0:bbe98578d4c0 104 // Enable WLAN interrupt
dflet 0:bbe98578d4c0 105 cc3100_InterruptEnable();
dflet 0:bbe98578d4c0 106
dflet 0:bbe98578d4c0 107 return NONOS_RET_OK;
dflet 0:bbe98578d4c0 108 }
dflet 0:bbe98578d4c0 109 */
dflet 0:bbe98578d4c0 110 /*
dflet 0:bbe98578d4c0 111 int cc3100_spi::spi_Write(Fd_t fd, unsigned char *pBuff, int len)
dflet 0:bbe98578d4c0 112 {
dflet 0:bbe98578d4c0 113 int len_to_return = len;
dflet 0:bbe98578d4c0 114
dflet 0:bbe98578d4c0 115 _wlan_cs = 0;
dflet 0:bbe98578d4c0 116
dflet 0:bbe98578d4c0 117 while(len)
dflet 0:bbe98578d4c0 118 {
dflet 0:bbe98578d4c0 119 _wlan_spi.write(*pBuff++);
dflet 0:bbe98578d4c0 120 len--;
dflet 0:bbe98578d4c0 121 }
dflet 0:bbe98578d4c0 122
dflet 0:bbe98578d4c0 123 _wlan_cs = 1;
dflet 0:bbe98578d4c0 124
dflet 0:bbe98578d4c0 125 return len_to_return;
dflet 0:bbe98578d4c0 126 }
dflet 0:bbe98578d4c0 127
dflet 0:bbe98578d4c0 128 int cc3100_spi::spi_Read(Fd_t fd, unsigned char *pBuff, int len)
dflet 0:bbe98578d4c0 129 {
dflet 0:bbe98578d4c0 130 int i = 0;
dflet 0:bbe98578d4c0 131
dflet 0:bbe98578d4c0 132 _wlan_cs = 0;
dflet 0:bbe98578d4c0 133
dflet 0:bbe98578d4c0 134 for (i = 0; i < len; i++)
dflet 0:bbe98578d4c0 135 {
dflet 0:bbe98578d4c0 136 pBuff[i] = _wlan_spi.write(0xFF);
dflet 0:bbe98578d4c0 137 }
dflet 0:bbe98578d4c0 138
dflet 0:bbe98578d4c0 139 _wlan_cs = 1;
dflet 0:bbe98578d4c0 140
dflet 0:bbe98578d4c0 141 return len;
dflet 0:bbe98578d4c0 142 }
dflet 0:bbe98578d4c0 143 */
dflet 0:bbe98578d4c0 144
dflet 0:bbe98578d4c0 145 void IntSpiGPIOHandler(void)
dflet 0:bbe98578d4c0 146 {
dflet 0:bbe98578d4c0 147 switch(spi_._wlan_irq){
dflet 0:bbe98578d4c0 148
dflet 0:bbe98578d4c0 149 case 1:
dflet 0:bbe98578d4c0 150 if(pIraEventHandler)
dflet 0:bbe98578d4c0 151 {
dflet 0:bbe98578d4c0 152 pIraEventHandler(0);
dflet 0:bbe98578d4c0 153 }
dflet 0:bbe98578d4c0 154 break;
dflet 0:bbe98578d4c0 155 default:
dflet 0:bbe98578d4c0 156 break;
dflet 0:bbe98578d4c0 157 }
dflet 0:bbe98578d4c0 158 }
dflet 0:bbe98578d4c0 159
dflet 0:bbe98578d4c0 160 /*!
dflet 0:bbe98578d4c0 161 \brief register an interrupt handler for the host IRQ
dflet 0:bbe98578d4c0 162
dflet 0:bbe98578d4c0 163 \param[in] InterruptHdl - pointer to interrupt handler function
dflet 0:bbe98578d4c0 164
dflet 0:bbe98578d4c0 165 \param[in] pValue - pointer to a memory strcuture that is
dflet 0:bbe98578d4c0 166 passed to the interrupt handler.
dflet 0:bbe98578d4c0 167
dflet 0:bbe98578d4c0 168 \return upon successful registration, the function shall return 0.
dflet 0:bbe98578d4c0 169 Otherwise, -1 shall be returned
dflet 0:bbe98578d4c0 170
dflet 0:bbe98578d4c0 171 \sa
dflet 0:bbe98578d4c0 172 \note If there is already registered interrupt handler, the
dflet 0:bbe98578d4c0 173 function should overwrite the old handler with the new one
dflet 0:bbe98578d4c0 174 \warning
dflet 0:bbe98578d4c0 175 */
dflet 0:bbe98578d4c0 176 int registerInterruptHandler(P_EVENT_HANDLER InterruptHdl , void* pValue)
dflet 0:bbe98578d4c0 177 {
dflet 0:bbe98578d4c0 178 // printf("Register Interrupt Handler Called\r\n");
dflet 0:bbe98578d4c0 179 pIraEventHandler = InterruptHdl;
dflet 0:bbe98578d4c0 180 return 0;
dflet 0:bbe98578d4c0 181 }
dflet 0:bbe98578d4c0 182
dflet 0:bbe98578d4c0 183 /*!
dflet 0:bbe98578d4c0 184 \brief Unmasks the Host IRQ
dflet 0:bbe98578d4c0 185
dflet 0:bbe98578d4c0 186 \param[in] none
dflet 0:bbe98578d4c0 187
dflet 0:bbe98578d4c0 188 \return none
dflet 0:bbe98578d4c0 189
dflet 0:bbe98578d4c0 190 \warning
dflet 0:bbe98578d4c0 191 */
dflet 0:bbe98578d4c0 192 void UnMaskIntHdlr()
dflet 0:bbe98578d4c0 193 {
dflet 0:bbe98578d4c0 194 IntIsMasked = FALSE;
dflet 0:bbe98578d4c0 195 }
dflet 0:bbe98578d4c0 196
dflet 0:bbe98578d4c0 197 /*!
dflet 0:bbe98578d4c0 198 \brief Masks the Host IRQ
dflet 0:bbe98578d4c0 199
dflet 0:bbe98578d4c0 200 \param[in] none
dflet 0:bbe98578d4c0 201
dflet 0:bbe98578d4c0 202 \return none
dflet 0:bbe98578d4c0 203
dflet 0:bbe98578d4c0 204 \warning
dflet 0:bbe98578d4c0 205 */
dflet 0:bbe98578d4c0 206 void MaskIntHdlr()
dflet 0:bbe98578d4c0 207 {
dflet 0:bbe98578d4c0 208 IntIsMasked = TRUE;
dflet 0:bbe98578d4c0 209 }
dflet 0:bbe98578d4c0 210
dflet 0:bbe98578d4c0 211 void CC3100_disable()
dflet 0:bbe98578d4c0 212 {
dflet 0:bbe98578d4c0 213
dflet 0:bbe98578d4c0 214 spi_._wlan_nHIB = 0;
dflet 0:bbe98578d4c0 215
dflet 0:bbe98578d4c0 216 }
dflet 0:bbe98578d4c0 217
dflet 0:bbe98578d4c0 218 void CC3100_enable()
dflet 0:bbe98578d4c0 219 {
dflet 0:bbe98578d4c0 220
dflet 0:bbe98578d4c0 221 spi_._wlan_nHIB = 1;
dflet 0:bbe98578d4c0 222
dflet 0:bbe98578d4c0 223 }
dflet 0:bbe98578d4c0 224
dflet 0:bbe98578d4c0 225 Fd_t spi_Open(char *ifName, unsigned long flags)
dflet 0:bbe98578d4c0 226 {
dflet 0:bbe98578d4c0 227
dflet 0:bbe98578d4c0 228 /* 50 ms delay */
dflet 0:bbe98578d4c0 229 wait_ms(50);
dflet 0:bbe98578d4c0 230
dflet 0:bbe98578d4c0 231 /* Enable WLAN interrupt */
dflet 0:bbe98578d4c0 232 spi_.cc3100_InterruptEnable();
dflet 0:bbe98578d4c0 233
dflet 0:bbe98578d4c0 234 return NONOS_RET_OK;
dflet 0:bbe98578d4c0 235 }
dflet 0:bbe98578d4c0 236
dflet 0:bbe98578d4c0 237 int spi_Close(Fd_t fd)
dflet 0:bbe98578d4c0 238 {
dflet 0:bbe98578d4c0 239
dflet 0:bbe98578d4c0 240 wait_ms(2);
dflet 0:bbe98578d4c0 241 /* Disable WLAN Interrupt ... */
dflet 0:bbe98578d4c0 242 spi_.cc3100_InterruptDisable();
dflet 0:bbe98578d4c0 243
dflet 0:bbe98578d4c0 244 return NONOS_RET_OK;
dflet 0:bbe98578d4c0 245 }
dflet 0:bbe98578d4c0 246
dflet 0:bbe98578d4c0 247 int spi_Write(Fd_t fd, unsigned char *pBuff, int len)
dflet 0:bbe98578d4c0 248 {
dflet 0:bbe98578d4c0 249
dflet 0:bbe98578d4c0 250 int len_to_return = len;
dflet 0:bbe98578d4c0 251
dflet 0:bbe98578d4c0 252 spi_._wlan_cs = 0;
dflet 0:bbe98578d4c0 253
dflet 0:bbe98578d4c0 254 wait_us(50);
dflet 0:bbe98578d4c0 255
dflet 0:bbe98578d4c0 256 while(len)
dflet 0:bbe98578d4c0 257 {
dflet 0:bbe98578d4c0 258 spi_._wlan_spi.write(*pBuff++);
dflet 0:bbe98578d4c0 259 len--;
dflet 0:bbe98578d4c0 260
dflet 0:bbe98578d4c0 261 }
dflet 0:bbe98578d4c0 262
dflet 0:bbe98578d4c0 263 spi_._wlan_cs = 1;
dflet 0:bbe98578d4c0 264
dflet 0:bbe98578d4c0 265 return len_to_return;
dflet 0:bbe98578d4c0 266 }
dflet 0:bbe98578d4c0 267
dflet 0:bbe98578d4c0 268 int spi_Read(Fd_t fd, unsigned char *pBuff, int len)
dflet 0:bbe98578d4c0 269 {
dflet 0:bbe98578d4c0 270
dflet 0:bbe98578d4c0 271 spi_._wlan_cs = 0;
dflet 0:bbe98578d4c0 272
dflet 0:bbe98578d4c0 273 wait_us(50);
dflet 0:bbe98578d4c0 274
dflet 0:bbe98578d4c0 275 for (int i = 0; i < len; i++){
dflet 0:bbe98578d4c0 276 pBuff[i] = spi_._wlan_spi.write(0xFF);
dflet 0:bbe98578d4c0 277
dflet 0:bbe98578d4c0 278 }
dflet 0:bbe98578d4c0 279
dflet 0:bbe98578d4c0 280 spi_._wlan_cs = 1;
dflet 0:bbe98578d4c0 281
dflet 0:bbe98578d4c0 282 return len;
dflet 0:bbe98578d4c0 283 }
dflet 0:bbe98578d4c0 284
dflet 0:bbe98578d4c0 285 //}//namespace