David Fletcher / Mbed 2 deprecated cc3100_Test_websock_Camera_CM4F

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   mbed

simplelink/cc3100_spi.cpp@15:5433f9d94cd7, 2015-08-28 (annotated)

Committer:
dflet
Date:
Fri Aug 28 21:04:44 2015 +0000
Revision:
15:5433f9d94cd7
Parent:
14:90603ea1e85b
Child:
16:7e5aab2fabba
Cam ov2640 working correctly, didnt know it also gave a jpeg header. App still not stable. Still a lot of work needed.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dflet 0:50cedd586816 1 /*
dflet 0:50cedd586816 2 * spi.cpp 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 #include "cc3100_simplelink.h"
dflet 0:50cedd586816 38 #include "cc3100_spi.h"
dflet 0:50cedd586816 39 #include "cli_uart.h"
dflet 0:50cedd586816 40
dflet 0:50cedd586816 41 #include "osi.h"
dflet 0:50cedd586816 42 #include "portmacro.h"
dflet 0:50cedd586816 43 #include "projdefs.h"
dflet 0:50cedd586816 44
dflet 0:50cedd586816 45 OsiMsgQ_t g_PBQueue; /*Message Queue*/
dflet 0:50cedd586816 46 uint32_t g_publishCount;
dflet 0:50cedd586816 47
dflet 0:50cedd586816 48 namespace mbed_cc3100 {
dflet 0:50cedd586816 49
dflet 0:50cedd586816 50 P_EVENT_HANDLER pIraEventHandler = 0;
dflet 0:50cedd586816 51 uint8_t IntIsMasked;
dflet 0:50cedd586816 52
dflet 0:50cedd586816 53 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 0:50cedd586816 54 : /*_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 0:50cedd586816 55 {
dflet 0:50cedd586816 56
dflet 0:50cedd586816 57 _wlan_spi.format(8,1);
dflet 15:5433f9d94cd7 58 _wlan_spi.frequency(12000000);
dflet 0:50cedd586816 59 _wlan_irq.rise(this, &cc3100_spi::IntSpiGPIOHandler); //_SlDrvRxIrqHandler is called from IntSpiGPIOHandler
dflet 0:50cedd586816 60 // _sw1_irq.rise(this, &cc3100_spi::buttonHandler_1);
dflet 0:50cedd586816 61 // _sw2_irq.rise(this, &cc3100_spi::buttonHandler_2);
dflet 0:50cedd586816 62 _wlan_nHIB = 0;
dflet 0:50cedd586816 63 _wlan_cs = 1;
dflet 15:5433f9d94cd7 64 wait_ms(100);
dflet 0:50cedd586816 65
dflet 0:50cedd586816 66
dflet 0:50cedd586816 67 }
dflet 0:50cedd586816 68
dflet 0:50cedd586816 69 cc3100_spi::~cc3100_spi()
dflet 0:50cedd586816 70 {
dflet 0:50cedd586816 71
dflet 0:50cedd586816 72 }
dflet 0:50cedd586816 73
dflet 0:50cedd586816 74 int cc3100_spi::spi_Close(Fd_t fd)
dflet 0:50cedd586816 75 {
dflet 0:50cedd586816 76
dflet 0:50cedd586816 77 // Disable WLAN Interrupt ...
dflet 0:50cedd586816 78 cc3100_InterruptDisable();
dflet 0:50cedd586816 79
dflet 0:50cedd586816 80 return NONOS_RET_OK;
dflet 0:50cedd586816 81 }
dflet 0:50cedd586816 82
dflet 0:50cedd586816 83 void cc3100_spi::button1_InterruptDisable()
dflet 0:50cedd586816 84 {
dflet 0:50cedd586816 85 // _sw1_irq.rise(NULL);
dflet 0:50cedd586816 86 wait_ms(1);
dflet 0:50cedd586816 87 }
dflet 0:50cedd586816 88
dflet 0:50cedd586816 89 void cc3100_spi::button2_InterruptDisable()
dflet 0:50cedd586816 90 {
dflet 0:50cedd586816 91 // _sw2_irq.rise(NULL);
dflet 0:50cedd586816 92 wait_ms(1);
dflet 0:50cedd586816 93 }
dflet 0:50cedd586816 94
dflet 0:50cedd586816 95 void cc3100_spi::button1_InterruptEnable()
dflet 0:50cedd586816 96 {
dflet 0:50cedd586816 97 // _sw1_irq.rise(this, &cc3100_spi::buttonHandler_1);
dflet 0:50cedd586816 98 }
dflet 0:50cedd586816 99
dflet 0:50cedd586816 100 void cc3100_spi::button2_InterruptEnable()
dflet 0:50cedd586816 101 {
dflet 0:50cedd586816 102 // _sw2_irq.rise(this, &cc3100_spi::buttonHandler_2);
dflet 0:50cedd586816 103 }
dflet 0:50cedd586816 104
dflet 0:50cedd586816 105 void cc3100_spi::cc3100_InterruptEnable()
dflet 0:50cedd586816 106 {
dflet 0:50cedd586816 107 _wlan_irq.rise(this, &cc3100_spi::IntSpiGPIOHandler);
dflet 0:50cedd586816 108 }
dflet 0:50cedd586816 109
dflet 0:50cedd586816 110 void cc3100_spi::cc3100_InterruptDisable()
dflet 0:50cedd586816 111 {
dflet 0:50cedd586816 112 _wlan_irq.rise(NULL);
dflet 0:50cedd586816 113 }
dflet 0:50cedd586816 114
dflet 0:50cedd586816 115 void cc3100_spi::CC3100_disable()
dflet 0:50cedd586816 116 {
dflet 0:50cedd586816 117 _wlan_nHIB = 0;
dflet 0:50cedd586816 118 }
dflet 0:50cedd586816 119
dflet 0:50cedd586816 120 void cc3100_spi::CC3100_enable()
dflet 0:50cedd586816 121 {
dflet 0:50cedd586816 122
dflet 0:50cedd586816 123 _wlan_nHIB = 1;
dflet 0:50cedd586816 124 }
dflet 0:50cedd586816 125
dflet 0:50cedd586816 126 Fd_t cc3100_spi::spi_Open(int8_t *ifName, uint32_t flags)
dflet 0:50cedd586816 127 {
dflet 0:50cedd586816 128
dflet 0:50cedd586816 129 // 50 ms delay
dflet 14:90603ea1e85b 130 // wait_ms(50);
dflet 0:50cedd586816 131
dflet 0:50cedd586816 132 // Enable WLAN interrupt
dflet 0:50cedd586816 133 cc3100_InterruptEnable();
dflet 0:50cedd586816 134
dflet 0:50cedd586816 135 return NONOS_RET_OK;
dflet 0:50cedd586816 136 }
dflet 0:50cedd586816 137
dflet 0:50cedd586816 138 int cc3100_spi::spi_Write(Fd_t fd, uint8_t *pBuff, int len)
dflet 0:50cedd586816 139 {
dflet 0:50cedd586816 140 int len_to_return = len;
dflet 0:50cedd586816 141 // Uart_Write((uint8_t*)"Write\r\n");
dflet 0:50cedd586816 142 _wlan_cs = 0;
dflet 0:50cedd586816 143
dflet 0:50cedd586816 144 while(len) {
dflet 0:50cedd586816 145 _wlan_spi.write(*pBuff++);
dflet 0:50cedd586816 146 len--;
dflet 0:50cedd586816 147 }
dflet 0:50cedd586816 148
dflet 0:50cedd586816 149 _wlan_cs = 1;
dflet 0:50cedd586816 150
dflet 0:50cedd586816 151 return len_to_return;
dflet 0:50cedd586816 152 }
dflet 0:50cedd586816 153
dflet 0:50cedd586816 154 int cc3100_spi::spi_Read(Fd_t fd, uint8_t *pBuff, int len)
dflet 0:50cedd586816 155 {
dflet 0:50cedd586816 156 int i = 0;
dflet 0:50cedd586816 157 // Uart_Write((uint8_t*)"Read\r\n");
dflet 0:50cedd586816 158 _wlan_cs = 0;
dflet 0:50cedd586816 159
dflet 0:50cedd586816 160 for (i = 0; i < len; i++) {
dflet 0:50cedd586816 161 pBuff[i] = _wlan_spi.write(0xFF);
dflet 0:50cedd586816 162 }
dflet 0:50cedd586816 163
dflet 0:50cedd586816 164 _wlan_cs = 1;
dflet 0:50cedd586816 165 return len;
dflet 0:50cedd586816 166 }
dflet 0:50cedd586816 167
dflet 0:50cedd586816 168 void cc3100_spi::IntSpiGPIOHandler(void)
dflet 0:50cedd586816 169 {
dflet 0:50cedd586816 170 // Uart_Write((uint8_t*)"Int\r\n");
dflet 0:50cedd586816 171 if(_wlan_irq){
dflet 0:50cedd586816 172 _driver._SlDrvRxIrqHandler(0);
dflet 0:50cedd586816 173 }
dflet 0:50cedd586816 174 }
dflet 0:50cedd586816 175
dflet 0:50cedd586816 176 /*!
dflet 0:50cedd586816 177 \brief register an interrupt handler for the host IRQ
dflet 0:50cedd586816 178
dflet 0:50cedd586816 179 \param[in] InterruptHdl - pointer to interrupt handler function
dflet 0:50cedd586816 180
dflet 0:50cedd586816 181 \param[in] pValue - pointer to a memory strcuture that is
dflet 0:50cedd586816 182 passed to the interrupt handler.
dflet 0:50cedd586816 183
dflet 0:50cedd586816 184 \return upon successful registration, the function shall return 0.
dflet 0:50cedd586816 185 Otherwise, -1 shall be returned
dflet 0:50cedd586816 186
dflet 0:50cedd586816 187 \sa
dflet 0:50cedd586816 188 \note If there is already registered interrupt handler, the
dflet 0:50cedd586816 189 function should overwrite the old handler with the new one
dflet 0:50cedd586816 190 \warning
dflet 0:50cedd586816 191 */
dflet 0:50cedd586816 192 int cc3100_spi::registerInterruptHandler(P_EVENT_HANDLER InterruptHdl , void* pValue)
dflet 0:50cedd586816 193 {
dflet 0:50cedd586816 194
dflet 0:50cedd586816 195 pIraEventHandler = InterruptHdl;
dflet 0:50cedd586816 196 return 0;
dflet 0:50cedd586816 197 }
dflet 0:50cedd586816 198
dflet 0:50cedd586816 199 /*!
dflet 0:50cedd586816 200 \brief Unmasks the Host IRQ
dflet 0:50cedd586816 201
dflet 0:50cedd586816 202 \param[in] none
dflet 0:50cedd586816 203
dflet 0:50cedd586816 204 \return none
dflet 0:50cedd586816 205
dflet 0:50cedd586816 206 \warning
dflet 0:50cedd586816 207 */
dflet 0:50cedd586816 208 void cc3100_spi::UnMaskIntHdlr()
dflet 0:50cedd586816 209 {
dflet 0:50cedd586816 210 IntIsMasked = FALSE;
dflet 0:50cedd586816 211 }
dflet 0:50cedd586816 212
dflet 0:50cedd586816 213 /*!
dflet 0:50cedd586816 214 \brief Masks the Host IRQ
dflet 0:50cedd586816 215
dflet 0:50cedd586816 216 \param[in] none
dflet 0:50cedd586816 217
dflet 0:50cedd586816 218 \return none
dflet 0:50cedd586816 219
dflet 0:50cedd586816 220 \warning
dflet 0:50cedd586816 221 */
dflet 0:50cedd586816 222 void cc3100_spi::MaskIntHdlr()
dflet 0:50cedd586816 223 {
dflet 0:50cedd586816 224 IntIsMasked = TRUE;
dflet 0:50cedd586816 225 }
dflet 0:50cedd586816 226
dflet 0:50cedd586816 227 /*!
dflet 0:50cedd586816 228 \brief Handles the button press 1 on the MCU
dflet 0:50cedd586816 229 and updates the queue with relevant action.
dflet 0:50cedd586816 230
dflet 0:50cedd586816 231 \param none
dflet 0:50cedd586816 232
dflet 0:50cedd586816 233 \return none
dflet 0:50cedd586816 234 */
dflet 0:50cedd586816 235 void cc3100_spi::buttonHandler_1(void)
dflet 0:50cedd586816 236 {
dflet 0:50cedd586816 237 int32_t rv = 0;
dflet 0:50cedd586816 238 button1_InterruptDisable();
dflet 0:50cedd586816 239 osi_messages var;
dflet 0:50cedd586816 240
dflet 0:50cedd586816 241 g_publishCount++;
dflet 0:50cedd586816 242
dflet 0:50cedd586816 243 var = PUSH_BUTTON_1_PRESSED;
dflet 0:50cedd586816 244
dflet 0:50cedd586816 245 rv = osi_MsgQWrite(&g_PBQueue, &var, OSI_NO_WAIT);
dflet 0:50cedd586816 246 if(rv < 0){
dflet 0:50cedd586816 247 Uart_Write((uint8_t*)"Messsage queue failed\r\n");
dflet 0:50cedd586816 248 }
dflet 0:50cedd586816 249
dflet 0:50cedd586816 250 }
dflet 0:50cedd586816 251
dflet 0:50cedd586816 252 /*!
dflet 0:50cedd586816 253 \brief Handles the button press 2 on the MCU
dflet 0:50cedd586816 254 and updates the queue with relevant action.
dflet 0:50cedd586816 255
dflet 0:50cedd586816 256 \param none
dflet 0:50cedd586816 257
dflet 0:50cedd586816 258 \return none
dflet 0:50cedd586816 259 */
dflet 0:50cedd586816 260 void cc3100_spi::buttonHandler_2(void)
dflet 0:50cedd586816 261 {
dflet 0:50cedd586816 262 int32_t rv = 0;
dflet 0:50cedd586816 263 button2_InterruptDisable();
dflet 0:50cedd586816 264 osi_messages var;
dflet 0:50cedd586816 265
dflet 0:50cedd586816 266 g_publishCount++;
dflet 0:50cedd586816 267
dflet 0:50cedd586816 268 var = PUSH_BUTTON_2_PRESSED;
dflet 0:50cedd586816 269
dflet 0:50cedd586816 270 rv = osi_MsgQWrite(&g_PBQueue, &var, OSI_NO_WAIT);
dflet 0:50cedd586816 271 if(rv < 0){
dflet 0:50cedd586816 272 Uart_Write((uint8_t*)"Messsage queue failed\r\n");
dflet 0:50cedd586816 273 }
dflet 0:50cedd586816 274
dflet 0:50cedd586816 275 }
dflet 0:50cedd586816 276
dflet 0:50cedd586816 277 }//namespace mbed_cc3100
dflet 0:50cedd586816 278
dflet 0:50cedd586816 279
dflet 0:50cedd586816 280
dflet 0:50cedd586816 281
dflet 0:50cedd586816 282
dflet 0:50cedd586816 283
dflet 0:50cedd586816 284
dflet 0:50cedd586816 285