David Fletcher / Mbed 2 deprecated cc3100_Test_mqtt_CM4F

TI's MQTT Demo with freertos CM4F

Dependencies:   mbed

simplelink/cc3100_spi.cpp@0:1e7b5dd9edb4, 2015-09-03 (annotated)

Committer:
dflet
Date:
Thu Sep 03 14:07:01 2015 +0000
Revision:
0:1e7b5dd9edb4
First commit, it's been hanging around for a while. Updated SPI mode change 1 to 0.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dflet 0:1e7b5dd9edb4 1 /*
dflet 0:1e7b5dd9edb4 2 * spi.cpp mbed
dflet 0:1e7b5dd9edb4 3 *
dflet 0:1e7b5dd9edb4 4 * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
dflet 0:1e7b5dd9edb4 5 *
dflet 0:1e7b5dd9edb4 6 *
dflet 0:1e7b5dd9edb4 7 * Redistribution and use in source and binary forms, with or without
dflet 0:1e7b5dd9edb4 8 * modification, are permitted provided that the following conditions
dflet 0:1e7b5dd9edb4 9 * are met:
dflet 0:1e7b5dd9edb4 10 *
dflet 0:1e7b5dd9edb4 11 * Redistributions of source code must retain the above copyright
dflet 0:1e7b5dd9edb4 12 * notice, this list of conditions and the following disclaimer.
dflet 0:1e7b5dd9edb4 13 *
dflet 0:1e7b5dd9edb4 14 * Redistributions in binary form must reproduce the above copyright
dflet 0:1e7b5dd9edb4 15 * notice, this list of conditions and the following disclaimer in the
dflet 0:1e7b5dd9edb4 16 * documentation and/or other materials provided with the
dflet 0:1e7b5dd9edb4 17 * distribution.
dflet 0:1e7b5dd9edb4 18 *
dflet 0:1e7b5dd9edb4 19 * Neither the name of Texas Instruments Incorporated nor the names of
dflet 0:1e7b5dd9edb4 20 * its contributors may be used to endorse or promote products derived
dflet 0:1e7b5dd9edb4 21 * from this software without specific prior written permission.
dflet 0:1e7b5dd9edb4 22 *
dflet 0:1e7b5dd9edb4 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
dflet 0:1e7b5dd9edb4 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
dflet 0:1e7b5dd9edb4 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
dflet 0:1e7b5dd9edb4 26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
dflet 0:1e7b5dd9edb4 27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
dflet 0:1e7b5dd9edb4 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
dflet 0:1e7b5dd9edb4 29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
dflet 0:1e7b5dd9edb4 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
dflet 0:1e7b5dd9edb4 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
dflet 0:1e7b5dd9edb4 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
dflet 0:1e7b5dd9edb4 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
dflet 0:1e7b5dd9edb4 34 *
dflet 0:1e7b5dd9edb4 35 */
dflet 0:1e7b5dd9edb4 36
dflet 0:1e7b5dd9edb4 37 #include "cc3100_simplelink.h"
dflet 0:1e7b5dd9edb4 38 #include "cc3100_spi.h"
dflet 0:1e7b5dd9edb4 39 #include "cli_uart.h"
dflet 0:1e7b5dd9edb4 40
dflet 0:1e7b5dd9edb4 41 #include "osi.h"
dflet 0:1e7b5dd9edb4 42 #include "portmacro.h"
dflet 0:1e7b5dd9edb4 43 #include "projdefs.h"
dflet 0:1e7b5dd9edb4 44
dflet 0:1e7b5dd9edb4 45 extern OsiMsgQ_t g_PBQueue; /*Message Queue*/
dflet 0:1e7b5dd9edb4 46
dflet 0:1e7b5dd9edb4 47 namespace mbed_cc3100 {
dflet 0:1e7b5dd9edb4 48
dflet 0:1e7b5dd9edb4 49 P_EVENT_HANDLER pIraEventHandler = 0;
dflet 0:1e7b5dd9edb4 50 uint8_t IntIsMasked;
dflet 0:1e7b5dd9edb4 51
dflet 0:1e7b5dd9edb4 52 cc3100_spi::cc3100_spi(PinName button1_irq, PinName button2_irq, PinName cc3100_irq, PinName cc3100_nHIB, PinName cc3100_cs, SPI cc3100_spi, cc3100_driver &driver)
dflet 0:1e7b5dd9edb4 53 : _sw1_irq(button1_irq), _sw2_irq(button2_irq), _wlan_irq(cc3100_irq), _wlan_nHIB(cc3100_nHIB), _wlan_cs(cc3100_cs), _wlan_spi(cc3100_spi), _driver(driver)
dflet 0:1e7b5dd9edb4 54 {
dflet 0:1e7b5dd9edb4 55
dflet 0:1e7b5dd9edb4 56 _wlan_spi.format(8,0);
dflet 0:1e7b5dd9edb4 57 _wlan_spi.frequency(16000000);
dflet 0:1e7b5dd9edb4 58 _wlan_irq.rise(this, &cc3100_spi::IntSpiGPIOHandler); //_SlDrvRxIrqHandler is called from IntSpiGPIOHandler
dflet 0:1e7b5dd9edb4 59 _sw1_irq.rise(this, &cc3100_spi::buttonHandler_1);
dflet 0:1e7b5dd9edb4 60 _sw2_irq.rise(this, &cc3100_spi::buttonHandler_2);
dflet 0:1e7b5dd9edb4 61 _wlan_nHIB = 0;
dflet 0:1e7b5dd9edb4 62 _wlan_cs = 1;
dflet 0:1e7b5dd9edb4 63 wait_ms(200);
dflet 0:1e7b5dd9edb4 64
dflet 0:1e7b5dd9edb4 65
dflet 0:1e7b5dd9edb4 66 }
dflet 0:1e7b5dd9edb4 67
dflet 0:1e7b5dd9edb4 68 cc3100_spi::~cc3100_spi()
dflet 0:1e7b5dd9edb4 69 {
dflet 0:1e7b5dd9edb4 70
dflet 0:1e7b5dd9edb4 71 }
dflet 0:1e7b5dd9edb4 72
dflet 0:1e7b5dd9edb4 73 int cc3100_spi::spi_Close(Fd_t fd)
dflet 0:1e7b5dd9edb4 74 {
dflet 0:1e7b5dd9edb4 75
dflet 0:1e7b5dd9edb4 76 // Disable WLAN Interrupt ...
dflet 0:1e7b5dd9edb4 77 cc3100_InterruptDisable();
dflet 0:1e7b5dd9edb4 78
dflet 0:1e7b5dd9edb4 79 return NONOS_RET_OK;
dflet 0:1e7b5dd9edb4 80 }
dflet 0:1e7b5dd9edb4 81
dflet 0:1e7b5dd9edb4 82 void cc3100_spi::button1_InterruptDisable()
dflet 0:1e7b5dd9edb4 83 {
dflet 0:1e7b5dd9edb4 84 _sw1_irq.rise(NULL);
dflet 0:1e7b5dd9edb4 85 wait_ms(1);
dflet 0:1e7b5dd9edb4 86 }
dflet 0:1e7b5dd9edb4 87
dflet 0:1e7b5dd9edb4 88 void cc3100_spi::button2_InterruptDisable()
dflet 0:1e7b5dd9edb4 89 {
dflet 0:1e7b5dd9edb4 90 _sw2_irq.rise(NULL);
dflet 0:1e7b5dd9edb4 91 wait_ms(1);
dflet 0:1e7b5dd9edb4 92 }
dflet 0:1e7b5dd9edb4 93
dflet 0:1e7b5dd9edb4 94 void cc3100_spi::button1_InterruptEnable()
dflet 0:1e7b5dd9edb4 95 {
dflet 0:1e7b5dd9edb4 96 _sw1_irq.rise(this, &cc3100_spi::buttonHandler_1);
dflet 0:1e7b5dd9edb4 97 }
dflet 0:1e7b5dd9edb4 98
dflet 0:1e7b5dd9edb4 99 void cc3100_spi::button2_InterruptEnable()
dflet 0:1e7b5dd9edb4 100 {
dflet 0:1e7b5dd9edb4 101 _sw2_irq.rise(this, &cc3100_spi::buttonHandler_2);
dflet 0:1e7b5dd9edb4 102 }
dflet 0:1e7b5dd9edb4 103
dflet 0:1e7b5dd9edb4 104 void cc3100_spi::cc3100_InterruptEnable()
dflet 0:1e7b5dd9edb4 105 {
dflet 0:1e7b5dd9edb4 106 _wlan_irq.rise(this, &cc3100_spi::IntSpiGPIOHandler);
dflet 0:1e7b5dd9edb4 107 }
dflet 0:1e7b5dd9edb4 108
dflet 0:1e7b5dd9edb4 109 void cc3100_spi::cc3100_InterruptDisable()
dflet 0:1e7b5dd9edb4 110 {
dflet 0:1e7b5dd9edb4 111 _wlan_irq.rise(NULL);
dflet 0:1e7b5dd9edb4 112 }
dflet 0:1e7b5dd9edb4 113
dflet 0:1e7b5dd9edb4 114 void cc3100_spi::CC3100_disable()
dflet 0:1e7b5dd9edb4 115 {
dflet 0:1e7b5dd9edb4 116 _wlan_nHIB = 0;
dflet 0:1e7b5dd9edb4 117 }
dflet 0:1e7b5dd9edb4 118
dflet 0:1e7b5dd9edb4 119 void cc3100_spi::CC3100_enable()
dflet 0:1e7b5dd9edb4 120 {
dflet 0:1e7b5dd9edb4 121
dflet 0:1e7b5dd9edb4 122 _wlan_nHIB = 1;
dflet 0:1e7b5dd9edb4 123 }
dflet 0:1e7b5dd9edb4 124
dflet 0:1e7b5dd9edb4 125 Fd_t cc3100_spi::spi_Open(int8_t *ifName, uint32_t flags)
dflet 0:1e7b5dd9edb4 126 {
dflet 0:1e7b5dd9edb4 127
dflet 0:1e7b5dd9edb4 128 // 50 ms delay
dflet 0:1e7b5dd9edb4 129 wait_ms(50);
dflet 0:1e7b5dd9edb4 130
dflet 0:1e7b5dd9edb4 131 // Enable WLAN interrupt
dflet 0:1e7b5dd9edb4 132 cc3100_InterruptEnable();
dflet 0:1e7b5dd9edb4 133
dflet 0:1e7b5dd9edb4 134 return NONOS_RET_OK;
dflet 0:1e7b5dd9edb4 135 }
dflet 0:1e7b5dd9edb4 136
dflet 0:1e7b5dd9edb4 137 int cc3100_spi::spi_Write(Fd_t fd, uint8_t *pBuff, int len)
dflet 0:1e7b5dd9edb4 138 {
dflet 0:1e7b5dd9edb4 139 int len_to_return = len;
dflet 0:1e7b5dd9edb4 140
dflet 0:1e7b5dd9edb4 141 _wlan_cs = 0;
dflet 0:1e7b5dd9edb4 142
dflet 0:1e7b5dd9edb4 143 while(len) {
dflet 0:1e7b5dd9edb4 144 _wlan_spi.write(*pBuff++);
dflet 0:1e7b5dd9edb4 145 len--;
dflet 0:1e7b5dd9edb4 146 }
dflet 0:1e7b5dd9edb4 147
dflet 0:1e7b5dd9edb4 148 _wlan_cs = 1;
dflet 0:1e7b5dd9edb4 149
dflet 0:1e7b5dd9edb4 150 return len_to_return;
dflet 0:1e7b5dd9edb4 151 }
dflet 0:1e7b5dd9edb4 152
dflet 0:1e7b5dd9edb4 153 int cc3100_spi::spi_Read(Fd_t fd, uint8_t *pBuff, int len)
dflet 0:1e7b5dd9edb4 154 {
dflet 0:1e7b5dd9edb4 155 int i = 0;
dflet 0:1e7b5dd9edb4 156 _wlan_cs = 0;
dflet 0:1e7b5dd9edb4 157
dflet 0:1e7b5dd9edb4 158 for (i = 0; i < len; i++) {
dflet 0:1e7b5dd9edb4 159 pBuff[i] = _wlan_spi.write(0xFF);
dflet 0:1e7b5dd9edb4 160 }
dflet 0:1e7b5dd9edb4 161
dflet 0:1e7b5dd9edb4 162 _wlan_cs = 1;
dflet 0:1e7b5dd9edb4 163 return len;
dflet 0:1e7b5dd9edb4 164 }
dflet 0:1e7b5dd9edb4 165
dflet 0:1e7b5dd9edb4 166 void cc3100_spi::IntSpiGPIOHandler(void)
dflet 0:1e7b5dd9edb4 167 {
dflet 0:1e7b5dd9edb4 168
dflet 0:1e7b5dd9edb4 169 if(_wlan_irq){
dflet 0:1e7b5dd9edb4 170 _driver._SlDrvRxIrqHandler(0);
dflet 0:1e7b5dd9edb4 171 }
dflet 0:1e7b5dd9edb4 172 }
dflet 0:1e7b5dd9edb4 173
dflet 0:1e7b5dd9edb4 174 /*!
dflet 0:1e7b5dd9edb4 175 \brief register an interrupt handler for the host IRQ
dflet 0:1e7b5dd9edb4 176
dflet 0:1e7b5dd9edb4 177 \param[in] InterruptHdl - pointer to interrupt handler function
dflet 0:1e7b5dd9edb4 178
dflet 0:1e7b5dd9edb4 179 \param[in] pValue - pointer to a memory strcuture that is
dflet 0:1e7b5dd9edb4 180 passed to the interrupt handler.
dflet 0:1e7b5dd9edb4 181
dflet 0:1e7b5dd9edb4 182 \return upon successful registration, the function shall return 0.
dflet 0:1e7b5dd9edb4 183 Otherwise, -1 shall be returned
dflet 0:1e7b5dd9edb4 184
dflet 0:1e7b5dd9edb4 185 \sa
dflet 0:1e7b5dd9edb4 186 \note If there is already registered interrupt handler, the
dflet 0:1e7b5dd9edb4 187 function should overwrite the old handler with the new one
dflet 0:1e7b5dd9edb4 188 \warning
dflet 0:1e7b5dd9edb4 189 */
dflet 0:1e7b5dd9edb4 190 int cc3100_spi::registerInterruptHandler(P_EVENT_HANDLER InterruptHdl , void* pValue)
dflet 0:1e7b5dd9edb4 191 {
dflet 0:1e7b5dd9edb4 192
dflet 0:1e7b5dd9edb4 193 pIraEventHandler = InterruptHdl;
dflet 0:1e7b5dd9edb4 194 return 0;
dflet 0:1e7b5dd9edb4 195 }
dflet 0:1e7b5dd9edb4 196
dflet 0:1e7b5dd9edb4 197 /*!
dflet 0:1e7b5dd9edb4 198 \brief Unmasks the Host IRQ
dflet 0:1e7b5dd9edb4 199
dflet 0:1e7b5dd9edb4 200 \param[in] none
dflet 0:1e7b5dd9edb4 201
dflet 0:1e7b5dd9edb4 202 \return none
dflet 0:1e7b5dd9edb4 203
dflet 0:1e7b5dd9edb4 204 \warning
dflet 0:1e7b5dd9edb4 205 */
dflet 0:1e7b5dd9edb4 206 void cc3100_spi::UnMaskIntHdlr()
dflet 0:1e7b5dd9edb4 207 {
dflet 0:1e7b5dd9edb4 208 IntIsMasked = FALSE;
dflet 0:1e7b5dd9edb4 209 }
dflet 0:1e7b5dd9edb4 210
dflet 0:1e7b5dd9edb4 211 /*!
dflet 0:1e7b5dd9edb4 212 \brief Masks the Host IRQ
dflet 0:1e7b5dd9edb4 213
dflet 0:1e7b5dd9edb4 214 \param[in] none
dflet 0:1e7b5dd9edb4 215
dflet 0:1e7b5dd9edb4 216 \return none
dflet 0:1e7b5dd9edb4 217
dflet 0:1e7b5dd9edb4 218 \warning
dflet 0:1e7b5dd9edb4 219 */
dflet 0:1e7b5dd9edb4 220 void cc3100_spi::MaskIntHdlr()
dflet 0:1e7b5dd9edb4 221 {
dflet 0:1e7b5dd9edb4 222 IntIsMasked = TRUE;
dflet 0:1e7b5dd9edb4 223 }
dflet 0:1e7b5dd9edb4 224
dflet 0:1e7b5dd9edb4 225 /*!
dflet 0:1e7b5dd9edb4 226 \brief Handles the button press 1 on the MCU
dflet 0:1e7b5dd9edb4 227 and updates the queue with relevant action.
dflet 0:1e7b5dd9edb4 228
dflet 0:1e7b5dd9edb4 229 \param none
dflet 0:1e7b5dd9edb4 230
dflet 0:1e7b5dd9edb4 231 \return none
dflet 0:1e7b5dd9edb4 232 */
dflet 0:1e7b5dd9edb4 233 void cc3100_spi::buttonHandler_1(void)
dflet 0:1e7b5dd9edb4 234 {
dflet 0:1e7b5dd9edb4 235 int32_t rv = 0;
dflet 0:1e7b5dd9edb4 236 button1_InterruptDisable();
dflet 0:1e7b5dd9edb4 237 osi_messages var;
dflet 0:1e7b5dd9edb4 238
dflet 0:1e7b5dd9edb4 239 g_publishCount++;
dflet 0:1e7b5dd9edb4 240
dflet 0:1e7b5dd9edb4 241 var = PUSH_BUTTON_1_PRESSED;
dflet 0:1e7b5dd9edb4 242
dflet 0:1e7b5dd9edb4 243 rv = osi_MsgQWrite(&g_PBQueue, &var, OSI_NO_WAIT);
dflet 0:1e7b5dd9edb4 244 if(rv < 0){
dflet 0:1e7b5dd9edb4 245 Uart_Write((uint8_t*)"Messsage queue failed\r\n");
dflet 0:1e7b5dd9edb4 246 }
dflet 0:1e7b5dd9edb4 247
dflet 0:1e7b5dd9edb4 248 }
dflet 0:1e7b5dd9edb4 249
dflet 0:1e7b5dd9edb4 250 /*!
dflet 0:1e7b5dd9edb4 251 \brief Handles the button press 2 on the MCU
dflet 0:1e7b5dd9edb4 252 and updates the queue with relevant action.
dflet 0:1e7b5dd9edb4 253
dflet 0:1e7b5dd9edb4 254 \param none
dflet 0:1e7b5dd9edb4 255
dflet 0:1e7b5dd9edb4 256 \return none
dflet 0:1e7b5dd9edb4 257 */
dflet 0:1e7b5dd9edb4 258 void cc3100_spi::buttonHandler_2(void)
dflet 0:1e7b5dd9edb4 259 {
dflet 0:1e7b5dd9edb4 260 int32_t rv = 0;
dflet 0:1e7b5dd9edb4 261 button2_InterruptDisable();
dflet 0:1e7b5dd9edb4 262 osi_messages var;
dflet 0:1e7b5dd9edb4 263
dflet 0:1e7b5dd9edb4 264 g_publishCount++;
dflet 0:1e7b5dd9edb4 265
dflet 0:1e7b5dd9edb4 266 var = PUSH_BUTTON_2_PRESSED;
dflet 0:1e7b5dd9edb4 267
dflet 0:1e7b5dd9edb4 268 rv = osi_MsgQWrite(&g_PBQueue, &var, OSI_NO_WAIT);
dflet 0:1e7b5dd9edb4 269 if(rv < 0){
dflet 0:1e7b5dd9edb4 270 Uart_Write((uint8_t*)"Messsage queue failed\r\n");
dflet 0:1e7b5dd9edb4 271 }
dflet 0:1e7b5dd9edb4 272
dflet 0:1e7b5dd9edb4 273 }
dflet 0:1e7b5dd9edb4 274
dflet 0:1e7b5dd9edb4 275 }//namespace mbed_cc3100
dflet 0:1e7b5dd9edb4 276
dflet 0:1e7b5dd9edb4 277
dflet 0:1e7b5dd9edb4 278
dflet 0:1e7b5dd9edb4 279
dflet 0:1e7b5dd9edb4 280
dflet 0:1e7b5dd9edb4 281
dflet 0:1e7b5dd9edb4 282
dflet 0:1e7b5dd9edb4 283