David Fletcher / Mbed 2 deprecated cc3100_Test_websock_Camera_CM4F

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Dependencies:   mbed

simplelink/cc3100_spi.cpp@17:acc075ff3fcb, 2015-08-31 (annotated)

Committer:
dflet
Date:
Mon Aug 31 15:20:36 2015 +0000
Revision:
17:acc075ff3fcb
Parent:
16:7e5aab2fabba
Child:
19:3dd3e7f30f8b
Changed SPI mode from 1 to mode 0. Mode 0 is correct. Note: may be some clk skew here mode 0 & 1 work???, spi still flacky when mco1 is turned on. Doing some off app testing to try and get the mt9d111 cam working. Removed some debug.

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 17:acc075ff3fcb 57 _wlan_spi.format(8,0);//Note Mode 0
dflet 17:acc075ff3fcb 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 // Enable WLAN interrupt
dflet 0:50cedd586816 130 cc3100_InterruptEnable();
dflet 0:50cedd586816 131
dflet 0:50cedd586816 132 return NONOS_RET_OK;
dflet 0:50cedd586816 133 }
dflet 0:50cedd586816 134
dflet 0:50cedd586816 135 int cc3100_spi::spi_Write(Fd_t fd, uint8_t *pBuff, int len)
dflet 0:50cedd586816 136 {
dflet 0:50cedd586816 137 int len_to_return = len;
dflet 17:acc075ff3fcb 138
dflet 0:50cedd586816 139 _wlan_cs = 0;
dflet 17:acc075ff3fcb 140
dflet 0:50cedd586816 141 while(len) {
dflet 0:50cedd586816 142 _wlan_spi.write(*pBuff++);
dflet 0:50cedd586816 143 len--;
dflet 0:50cedd586816 144 }
dflet 17:acc075ff3fcb 145
dflet 0:50cedd586816 146 _wlan_cs = 1;
dflet 0:50cedd586816 147
dflet 0:50cedd586816 148 return len_to_return;
dflet 0:50cedd586816 149 }
dflet 0:50cedd586816 150
dflet 0:50cedd586816 151 int cc3100_spi::spi_Read(Fd_t fd, uint8_t *pBuff, int len)
dflet 0:50cedd586816 152 {
dflet 0:50cedd586816 153 int i = 0;
dflet 17:acc075ff3fcb 154
dflet 0:50cedd586816 155 _wlan_cs = 0;
dflet 0:50cedd586816 156
dflet 0:50cedd586816 157 for (i = 0; i < len; i++) {
dflet 0:50cedd586816 158 pBuff[i] = _wlan_spi.write(0xFF);
dflet 0:50cedd586816 159 }
dflet 17:acc075ff3fcb 160
dflet 0:50cedd586816 161 _wlan_cs = 1;
dflet 0:50cedd586816 162 return len;
dflet 0:50cedd586816 163 }
dflet 0:50cedd586816 164
dflet 0:50cedd586816 165 void cc3100_spi::IntSpiGPIOHandler(void)
dflet 0:50cedd586816 166 {
dflet 17:acc075ff3fcb 167
dflet 0:50cedd586816 168 if(_wlan_irq){
dflet 0:50cedd586816 169 _driver._SlDrvRxIrqHandler(0);
dflet 0:50cedd586816 170 }
dflet 0:50cedd586816 171 }
dflet 0:50cedd586816 172
dflet 0:50cedd586816 173 /*!
dflet 0:50cedd586816 174 \brief register an interrupt handler for the host IRQ
dflet 0:50cedd586816 175
dflet 0:50cedd586816 176 \param[in] InterruptHdl - pointer to interrupt handler function
dflet 0:50cedd586816 177
dflet 0:50cedd586816 178 \param[in] pValue - pointer to a memory strcuture that is
dflet 0:50cedd586816 179 passed to the interrupt handler.
dflet 0:50cedd586816 180
dflet 0:50cedd586816 181 \return upon successful registration, the function shall return 0.
dflet 0:50cedd586816 182 Otherwise, -1 shall be returned
dflet 0:50cedd586816 183
dflet 0:50cedd586816 184 \sa
dflet 0:50cedd586816 185 \note If there is already registered interrupt handler, the
dflet 0:50cedd586816 186 function should overwrite the old handler with the new one
dflet 0:50cedd586816 187 \warning
dflet 0:50cedd586816 188 */
dflet 0:50cedd586816 189 int cc3100_spi::registerInterruptHandler(P_EVENT_HANDLER InterruptHdl , void* pValue)
dflet 0:50cedd586816 190 {
dflet 0:50cedd586816 191
dflet 0:50cedd586816 192 pIraEventHandler = InterruptHdl;
dflet 0:50cedd586816 193 return 0;
dflet 0:50cedd586816 194 }
dflet 0:50cedd586816 195
dflet 0:50cedd586816 196 /*!
dflet 0:50cedd586816 197 \brief Unmasks the Host IRQ
dflet 0:50cedd586816 198
dflet 0:50cedd586816 199 \param[in] none
dflet 0:50cedd586816 200
dflet 0:50cedd586816 201 \return none
dflet 0:50cedd586816 202
dflet 0:50cedd586816 203 \warning
dflet 0:50cedd586816 204 */
dflet 0:50cedd586816 205 void cc3100_spi::UnMaskIntHdlr()
dflet 0:50cedd586816 206 {
dflet 0:50cedd586816 207 IntIsMasked = FALSE;
dflet 0:50cedd586816 208 }
dflet 0:50cedd586816 209
dflet 0:50cedd586816 210 /*!
dflet 0:50cedd586816 211 \brief Masks the Host IRQ
dflet 0:50cedd586816 212
dflet 0:50cedd586816 213 \param[in] none
dflet 0:50cedd586816 214
dflet 0:50cedd586816 215 \return none
dflet 0:50cedd586816 216
dflet 0:50cedd586816 217 \warning
dflet 0:50cedd586816 218 */
dflet 0:50cedd586816 219 void cc3100_spi::MaskIntHdlr()
dflet 0:50cedd586816 220 {
dflet 0:50cedd586816 221 IntIsMasked = TRUE;
dflet 0:50cedd586816 222 }
dflet 0:50cedd586816 223
dflet 0:50cedd586816 224 /*!
dflet 0:50cedd586816 225 \brief Handles the button press 1 on the MCU
dflet 0:50cedd586816 226 and updates the queue with relevant action.
dflet 0:50cedd586816 227
dflet 0:50cedd586816 228 \param none
dflet 0:50cedd586816 229
dflet 0:50cedd586816 230 \return none
dflet 0:50cedd586816 231 */
dflet 0:50cedd586816 232 void cc3100_spi::buttonHandler_1(void)
dflet 0:50cedd586816 233 {
dflet 0:50cedd586816 234 int32_t rv = 0;
dflet 0:50cedd586816 235 button1_InterruptDisable();
dflet 0:50cedd586816 236 osi_messages var;
dflet 0:50cedd586816 237
dflet 0:50cedd586816 238 g_publishCount++;
dflet 0:50cedd586816 239
dflet 0:50cedd586816 240 var = PUSH_BUTTON_1_PRESSED;
dflet 0:50cedd586816 241
dflet 0:50cedd586816 242 rv = osi_MsgQWrite(&g_PBQueue, &var, OSI_NO_WAIT);
dflet 0:50cedd586816 243 if(rv < 0){
dflet 0:50cedd586816 244 Uart_Write((uint8_t*)"Messsage queue failed\r\n");
dflet 0:50cedd586816 245 }
dflet 0:50cedd586816 246
dflet 0:50cedd586816 247 }
dflet 0:50cedd586816 248
dflet 0:50cedd586816 249 /*!
dflet 0:50cedd586816 250 \brief Handles the button press 2 on the MCU
dflet 0:50cedd586816 251 and updates the queue with relevant action.
dflet 0:50cedd586816 252
dflet 0:50cedd586816 253 \param none
dflet 0:50cedd586816 254
dflet 0:50cedd586816 255 \return none
dflet 0:50cedd586816 256 */
dflet 0:50cedd586816 257 void cc3100_spi::buttonHandler_2(void)
dflet 0:50cedd586816 258 {
dflet 0:50cedd586816 259 int32_t rv = 0;
dflet 0:50cedd586816 260 button2_InterruptDisable();
dflet 0:50cedd586816 261 osi_messages var;
dflet 0:50cedd586816 262
dflet 0:50cedd586816 263 g_publishCount++;
dflet 0:50cedd586816 264
dflet 0:50cedd586816 265 var = PUSH_BUTTON_2_PRESSED;
dflet 0:50cedd586816 266
dflet 0:50cedd586816 267 rv = osi_MsgQWrite(&g_PBQueue, &var, OSI_NO_WAIT);
dflet 0:50cedd586816 268 if(rv < 0){
dflet 0:50cedd586816 269 Uart_Write((uint8_t*)"Messsage queue failed\r\n");
dflet 0:50cedd586816 270 }
dflet 0:50cedd586816 271
dflet 0:50cedd586816 272 }
dflet 0:50cedd586816 273
dflet 0:50cedd586816 274 }//namespace mbed_cc3100
dflet 0:50cedd586816 275
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